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Wang M, Li Y, Zhang C, Li G, Zou L. A signal-on photoelectrochemical aptasensor based on ferrocene labeled triple helix DNA molecular switch for detection of antibiotic amoxicillin. Food Chem 2024; 441:138333. [PMID: 38185050 DOI: 10.1016/j.foodchem.2023.138333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/09/2024]
Abstract
A sensitive signal-on photoelectrochemical aptasensor for antibiotic determination was constructed based on the energy level matching between ferrocene and CuInS2. P-type CuInS2 microflower was complexed with reduced graphene oxide (CuInS2/rGO) to get photocathode current with good photoelectric conversion efficiency and stability. Then, hairpin DNA (HP) was covalently bonded to the electrode surface. A triple helix DNA (THMS) was used as a molecular switch. After the specific recognition between target and THMS in homogeneous solution, ferrocene labeled probe (Fc-T2) was released. Finally, Fc-T2 was captured by the HP, which leaded the obvious increase of photocurrent for the energy level matching between ferrocene and CuInS2. The increase of the photocurrent signal was proportional to the concentration of target amoxicillin (AMOX), the linear range was 100 fM-100 nM with detection limit of 19.57 fM. Meanwhile, the method has been successfully applied for milk and lake water samples analysis with satisfactory results.
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Affiliation(s)
- Mengyan Wang
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, PR China
| | - Ying Li
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, PR China
| | - Chi Zhang
- Department of Orthopedics The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450001, PR China
| | - Gaiping Li
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, PR China
| | - Lina Zou
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, PR China.
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2
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Monkrathok J, Janphuang P, Suphachiaraphan S, Kampaengsri S, Kamkaew A, Chansaenpak K, Lisnund S, Blay V, Pinyou P. Enhancing Glucose Biosensing with Graphene Oxide and Ferrocene-Modified Linear Poly(ethylenimine). Biosensors (Basel) 2024; 14:161. [PMID: 38667154 PMCID: PMC11048651 DOI: 10.3390/bios14040161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024]
Abstract
We designed and optimized a glucose biosensor system based on a screen-printed electrode modified with the NAD-GDH enzyme. To enhance the electroactive surface area and improve the electron transfer efficiency, we introduced graphene oxide (GO) and ferrocene-modified linear poly(ethylenimine) (LPEI-Fc) onto the biosensor surface. This strategic modification exploits the electrostatic interaction between graphene oxide, which possesses a negative charge, and LPEI-Fc, which is positively charged. This interaction results in increased catalytic current during glucose oxidation and helps improve the overall glucose detection sensitivity by amperometry. We integrated the developed glucose sensor into a flow injection (FI) system. This integration facilitates a swift and reproducible detection of glucose, and it also mitigates the risk of contamination during the analyses. The incorporation of an FI system improves the efficiency of the biosensor, ensuring precise and reliable results in a short time. The proposed sensor was operated at a constant applied potential of 0.35 V. After optimizing the system, a linear calibration curve was obtained for the concentration range of 1.0-40 mM (R2 = 0.986). The FI system was successfully applied to determine the glucose content of a commercial sports drink.
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Affiliation(s)
- Jirawan Monkrathok
- School of Chemistry, Institute of Science, Suranaree University of Technology, 111 University Ave., Nakhon Ratchasima 30000, Thailand; (J.M.); (S.K.); (A.K.)
| | - Pattanaphong Janphuang
- Synchrotron Light Research Institute (Public Organization), 111 University Ave., Nakhon Ratchasima 30000, Thailand; (P.J.); (S.S.)
| | - Somphong Suphachiaraphan
- Synchrotron Light Research Institute (Public Organization), 111 University Ave., Nakhon Ratchasima 30000, Thailand; (P.J.); (S.S.)
| | - Sastiya Kampaengsri
- School of Chemistry, Institute of Science, Suranaree University of Technology, 111 University Ave., Nakhon Ratchasima 30000, Thailand; (J.M.); (S.K.); (A.K.)
| | - Anyanee Kamkaew
- School of Chemistry, Institute of Science, Suranaree University of Technology, 111 University Ave., Nakhon Ratchasima 30000, Thailand; (J.M.); (S.K.); (A.K.)
| | - Kantapat Chansaenpak
- National Nanotechnology Center, National Science and Technology Development Agency, Thailand Science Park, Pathum Thani 12120, Thailand;
| | - Sireerat Lisnund
- Department of Applied Chemistry, Faculty of Science and Liberal Arts, Rajamangala University of Technology Isan, 744 Suranarai Rd., Nakhon Ratchasima 30000, Thailand;
| | - Vincent Blay
- Department of Microbiology and Environmental Toxicology, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
| | - Piyanut Pinyou
- School of Chemistry, Institute of Science, Suranaree University of Technology, 111 University Ave., Nakhon Ratchasima 30000, Thailand; (J.M.); (S.K.); (A.K.)
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Youyin L, Yuexing M, Jiahao C, Kun Q, Jie Y, Rongbin P, Yiyong X. Study on the anti-cancer activity of α-phenethylamine ferrocenecarboxylic acid co-crystals. Chirality 2024; 36:e23653. [PMID: 38403899 DOI: 10.1002/chir.23653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/27/2024]
Abstract
Ferrocene derivatives show a wide range of pharmacological activities in the medical field, especially in the anti-tumor field, and can be used as candidate drugs or lead compounds for the treatment of tumors and other diseases. And α-phenethylamine is an important intermediate for the preparation of fine chemical products. (R)-(+)-1-Phenethylamine ferrocenecarboxylic acid/(S)-(-)-1-phenethylamine ferrocenecarboxylic acid were prepared, named compounds 1 and 2, respectively. Single crystal X-ray diffraction showed that compounds 1 and 2 crystallized in the orthorhombic system space group P21 21 21 , and the crystal structures of compounds 1 and 2 exhibited mirror symmetry. The inhibitory effect of two compounds on SW480, MDA-MB-231, and H1299 cells was tested by MTT colorimetry. The IC50 values of the compounds against cancer cells were also calculated. The anti-cancer effect was more pronounced for compounds in the S-configuration. Compound 2 made the wild-type cancer cells undergo apoptosis, thus preventing cancer; it also had the function of helping the cell gene repair defects.
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Affiliation(s)
- Liao Youyin
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Ma Yuexing
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
- School of Pharmacy, Nanchang Medical College, Nanchang, China
- Jiangxi Key Laboratory of Health and Drug Efficacy and Safety Evaluation, Nanchang Medical College, Nanchang, China
| | - Chen Jiahao
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Qian Kun
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Yang Jie
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Pan Rongbin
- Jiangzhong Cancer Research Center, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Xu Yiyong
- School of Nursing, Jiangxi University of Chinese Medicine, Nanchang, China
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4
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Jahangiri-Dehaghani F, Zare HR, Shekari Z. Simultaneous measurement of ochratoxin A and aflatoxin B1 using a duplexed-electrochemical aptasensor based on carbon nanodots decorated with gold nanoparticles and two redox probes hemin@HKUST-1 and ferrocene@HKUST-1. Talanta 2024; 266:124947. [PMID: 37459787 DOI: 10.1016/j.talanta.2023.124947] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/09/2023] [Accepted: 07/12/2023] [Indexed: 09/20/2023]
Abstract
An electrochemical aptasensor was developed for the simultaneous determination of ochratoxin A (OTA) and aflatoxin B1 (AFB1). Two compounds hemin@HKUST-1 and ferrocene@HKUST-1 were synthesized by encapsulating hemin and ferrocene inside the MOF made by copper nodes and trimesic acid, known as HKUST-1 MOF, and then bind to complementary DNA sequences of OTA aptamer (cDNA1) and AFB1 aptamer (cDNA2), respectively. Then, the hemin@HKUST-1/cDNA1 and ferrocene@HKUST-1/cDNA2 bioconjugates were deposited on the glassy carbon electrode (GCE) modified with carbon nanodots decorated with gold nanoparticles (AuNPs-CNDs). In the absence of the two mycotoxins, the current response related to the electroactive labels of hemin and ferrocene in the discussed bioconjugates have been measured at two separate potentials simultaneously by the differential pulse voltammetry technique (DPV). Using the described aptasensor, it is possible to measure both OTA and AFB1 mycotoxins in the linear concentration range of 1.0 × 10-2 to 100.0 ng mL-1. Also, the detection limits of OTA and AFB1 were 4.3 × 10-3 ng mL-1 and 5.2 × 10-3 ng mL-1, respectively. Finally, the ability of the proposed duplex aptasensor for the simultaneous measurement of OTA and AFB1 in a corn flour sample was investigated and completely satisfactory results were achieved.
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Affiliation(s)
| | - Hamid R Zare
- Department of Chemistry, Yazd University, Yazd, 89195-741, Iran.
| | - Zahra Shekari
- Department of Chemistry, Yazd University, Yazd, 89195-741, Iran
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Zhu C, Zuo M, Yang Y, Zhao NN, Wang X, Cui L, Zhang CY. Construction of a Dual-Mode Biosensor with Ferrocene as Both a Signal Enhancer and a Signal Tracer for Electrochemiluminescent and Electrochemical Enantioselective Recognition. Anal Chem 2023; 95:17920-17927. [PMID: 37983085 DOI: 10.1021/acs.analchem.3c04304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
We demonstrate for the first time the construction of a dual-mode biosensor for electrochemiluminescent (ECL) and electrochemical chiral recognition of l- and d-isomers of amino acids, with ferrocene (Fc) as both a signal enhancer and a signal tracer. With the dissolved oxygen as a coreactant, ZnIn2S4 acts as the ECL emitter to generate a weak cathodic ECL signal. Fc can enter into the β-cyclodextrin (β-CD) cavity on ZnIn2S4-modified electrode as a result of host-guest interaction. Since Fc can promote H2O and O2 to produce abundant reactive oxygen species (ROS) (e.g., O2·- and ·OH), the ECL signal of ZnIn2S4 can be further amplified with Fc as a coreaction accelerator. Meanwhile, Fc molecules on the β-CD/ZnIn2S4-modified electrode can be electrochemically oxidized to Fc+ to produce a remarkable oxidation peak current. When l-histidine (l-His) is present, the matching of the l-His configuration with the β-CD cavity leads to the entrance of more l-His into the cavity of β-CD than d-histidine (d-His), and the subsequent competence of l-His with Fc on the Fc/β-CD/ZnIn2S4-modified electrode induces the decrease in both Fc peak current and ZnIn2S4-induced ECL intensity. This dual-mode biosensor can efficiently discriminate l-His from d-His, and it can sensitively monitor l-His with a detection limit of 7.60 pM for ECL mode and 3.70 pM for electrochemical mode. Moreover, this dual-mode biosensor can selectively discriminate l-His from other l- and d-isomers (e.g., threonine, phenylalanine, and glutamic acid), with potential applications in the chiral recognition of nonelectroactive chiral compounds, bioanalysis, and disease diagnosis.
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Affiliation(s)
- Chenyu Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Maoding Zuo
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Yuncong Yang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Ning-Ning Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Xiaolei Wang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Lin Cui
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Chun-Yang Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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Guo L, Cui Z, Xue J, Zhang Y, Yang H, Miao M. Cascade signal amplification electrochemical biosensor based on AgNPs and ring opening polymerization for determination of Ochratoxin A. Mikrochim Acta 2023; 190:432. [PMID: 37806989 DOI: 10.1007/s00604-023-06001-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/14/2023] [Indexed: 10/10/2023]
Abstract
An ochratoxin A (OTA) electrochemical biosensor based on a cascade signal amplification strategy with Ag nanoparticles (AgNPs) and ring opening polymerization (ROP) was constructed. The large specific surface area of AgNPs was used to increase the loading of OTA aptamer on the electrode surface, enhancing the ability to capture OTA as a way to achieve the first signal amplification. The OTA antibody modified with polyethylenimine specifically recognizes the OTA, forming an aptamer-OTA-antibody sandwich structure. The amino group on polyethylenimine initiates the ROP reaction with α-amino acid-n-carboxylic anhydride-ferrocene (NCA-Fc) as the monomer. A large number of electrochemical signal units of ferrocene are introduced into the sensing system for a second signal amplification. By amplifying the signal twice, the sensitivity of the sensor is improved. Under the optimal conditions, the detection range of the sensor is 1 pg·mL-1 ~ 1 μg·mL-1, while the detection limit is as low as 117 fg·mL-1. Moreover, the sensor has the advantages of high sensitivity, good stability and selectivity. Standard addition recovery experiment proved that the sensing system can be successfully used for the detection of OTA in four actual samples with recoveries in the range 90.0 to 113% with RSDs of 0.6 to 5.2%, providing a new idea for the pollution assessment of mycotoxins.
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Affiliation(s)
- Liang Guo
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China
| | - Zhenzhen Cui
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China
| | - Jinyan Xue
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China
| | - Yuting Zhang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China
| | - Huaixia Yang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China.
| | - Mingsan Miao
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China.
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7
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Mangawa SK, Singh S. Ferrocene Derivatives as New Generation of Antimalarial Agents: Opportunity or Illusion? Curr Top Med Chem 2023; 23:1503-1521. [PMID: 36852796 DOI: 10.2174/1568026623666230228153114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 03/01/2023]
Abstract
Despite significant scientific progress over the last two decades, malaria remains a global burden that causes thousands of deaths every year. In the absence of effective and practical preventive measures, the only current option for reducing the mortality and morbidity of malaria is chemotherapy. However, due to the minimal stock of active antiparasitic analogs, issues of toxicity, and the repeated appearance of drug resistance, scientists must broaden the arsenal of existing therapies beyond conventional medicinal chemistry. To curb this menace, a series of potential metal-based hybrids have been synthesized and screened. Ferrocene is one of the potent organometallic candidates and the hybridization of ferrocene with other pharmacophores results in compounds with enhanced biological activities. Many researchers have reported the ferrocene compounds as potent pharmacophores and useful as anticancer and antimalarial agents when hybridized with other pharmaceutical hybrids. Drug, such as Ferroquine (FQ, SSR97193), is currently the most advanced organometallic compound developed from the hybridization of ferrocene and chloroquine and has demonstrated great potency in clinical trials against both drug-sensitive and drug-resistant malaria. Not only ferroquine but its derivatives have shown significant activity as antimalarial agents. The present review focuses on the discovery of FQ, the hypothesis of its mode of action, and recent clinical trials of ferrocene compounds as a new class of antimalarial agents. The structure-activity relationship (SAR) of ferrocene derivatives is also discussed to provide insight into the rational design of more effective antimalarial candidates. Finally, efforts have been made to discuss the future expectations for ferrocene-based antimalarial drugs.
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Affiliation(s)
- Shrawan Kumar Mangawa
- Department of Chemistry, Motilal Nehru College, University of Delhi, South Campus, Delhi, 110021, India
| | - Shailja Singh
- Department of Chemistry, Bhaskaracharya College of Applied Sciences, University of Delhi, New Delhi, 110075, India
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Fayolle C, Pigeon P, Fischer-Durand N, Salmain M, Buriez O, Vessières A, Labbé E. Synthesis, Electrochemical and Fluorescence Properties of the First Fluorescent Member of the Ferrocifen Family and of Its Oxidized Derivatives. Molecules 2022; 27:molecules27196690. [PMID: 36235225 PMCID: PMC9571219 DOI: 10.3390/molecules27196690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/27/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022]
Abstract
The first fluorescent ferrociphenol derivative (P797) has been synthesized via McMurry cross-coupling followed by copper-catalyzed [3 + 2] azide-alkyne cycloaddition of the fluorescent group coumarin. Cyclic voltammograms of P797 exhibit either a monoelectronic oxidation wave ascribed to the ferrocene Fe(II) → Fe(III) conversion or a three-electron oxidation process in the presence of a base, leading to a Fe(III) quinone methide adduct. This general sequence is consistent with those previously described for non-fluorescent ferrociphenols. Furthermore, the fluorescence properties of P797 and its oxidized intermediates appear to strongly depend on the redox state of the ferrocene group. Indeed, electrochemical generation of Fe(III) (ferrocenium) states markedly increases the fluorescence emission intensity. In contrast, the emission of the Fe(II) (ferrocene) states is partially quenched by photoinduced electron transfer (PET) from the Fe(II) donor to the coumarin acceptor and by concentration-dependent self-quenching. Owing to its switchable fluorescence properties, complex P797 could represent an innovative and useful tool to study the biodistribution and the redox state of ferrocifens in cancer cells.
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Affiliation(s)
- Charles Fayolle
- PASTEUR, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université CNRS, 75005 Paris, France
| | - Pascal Pigeon
- Institut Parisien de Chimie Moléculaire (IPCM), CNRS, Sorbonne Université, 75005 Paris, France
- ENSCP Chimie ParisTech, PSL University, 75005 Paris, France
| | - Nathalie Fischer-Durand
- Institut Parisien de Chimie Moléculaire (IPCM), CNRS, Sorbonne Université, 75005 Paris, France
| | - Michèle Salmain
- Institut Parisien de Chimie Moléculaire (IPCM), CNRS, Sorbonne Université, 75005 Paris, France
| | - Olivier Buriez
- PASTEUR, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université CNRS, 75005 Paris, France
| | - Anne Vessières
- Institut Parisien de Chimie Moléculaire (IPCM), CNRS, Sorbonne Université, 75005 Paris, France
| | - Eric Labbé
- PASTEUR, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université CNRS, 75005 Paris, France
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Gunasekaran D, Gerchman Y, Vernick S. Electrochemical Detection of Waterborne Bacteria Using Bi-Functional Magnetic Nanoparticle Conjugates. Biosensors (Basel) 2022; 12:bios12010036. [PMID: 35049664 PMCID: PMC8774000 DOI: 10.3390/bios12010036] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/06/2022] [Accepted: 01/07/2022] [Indexed: 05/05/2023]
Abstract
Detection of microbial contamination in water is imperative to ensure water quality. We have developed an electrochemical method for the detection of E. coli using bi-functional magnetic nanoparticle (MNP) conjugates. The bi-functional MNP conjugates were prepared by terminal-specific conjugation of anti-E. coli IgG antibody and the electroactive marker ferrocene. The bi-functional MNP conjugate possesses both E. coli-specific binding and electroactive properties, which were studied in detail. The conjugation efficiency of ferrocene and IgG antibodies with amine-functionalized MNPs was investigated. Square-wave voltammetry enabled the detection of E. coli concentrations ranging from 101-107 cells/mL in a dose-dependent manner, as ferrocene-specific current signals were inversely dependent on E. coli concentrations, completely suppressed at concentrations higher than 107 cells/mL. The developed electrochemical method is highly sensitive (10 cells/mL) and, coupled to magnetic separation, provides specific signals within 1h. Overall, the bi-functional conjugates serve as ideal candidates for electrochemical detection of waterborne bacteria. This approach can be applied for the detection of other bacteria and viruses.
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Affiliation(s)
- Dharanivasan Gunasekaran
- Department of Sensing, Information and Mechanization Engineering, Institute of Agricultural Engineering, Volcani Institute (ARO), Rishon leZion 5025001, Israel;
| | - Yoram Gerchman
- The Faculty of Natural Sciences, Oranim Academic College of Education, The University of Haifa, Tivon 3600600, Israel;
| | - Sefi Vernick
- Department of Sensing, Information and Mechanization Engineering, Institute of Agricultural Engineering, Volcani Institute (ARO), Rishon leZion 5025001, Israel;
- Correspondence: ; Tel.: +972-3-968-3499
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10
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Feng XQ, Ju Y, Dou WT, Li Q, Jin ZG, He XP, James TD, Ye BC. Ferrocene-Labelled Electroactive Aptamer-Based Sensors (Aptasensors) for Glycated Haemoglobin. Molecules 2021; 26:7077. [PMID: 34885660 PMCID: PMC8659020 DOI: 10.3390/molecules26237077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/14/2021] [Accepted: 11/19/2021] [Indexed: 11/30/2022] Open
Abstract
Glycated haemoglobin (HbA1c) is a diagnostic biomarker for type 2 diabetes. Traditional analytical methods for haemoglobin (Hb) detection rely on chromatography, which requires significant instrumentation and is labour-intensive; consequently, miniaturized devices that can rapidly sense HbA1c are urgently required. With this research, we report on an aptamer-based sensor (aptasensor) for the rapid and selective electrochemical detection of HbA1c. Aptamers that specifically bind HbA1c and Hb were modified with a sulfhydryl and ferrocene group at the 3' and 5'-end, respectively. The modified aptamers were coated through sulfhydryl-gold self-assembly onto screen printed electrodes, producing aptasensors with built in electroactivity. When haemoglobin was added to the electrodes, the current intensity of the ferrocene in the sensor system was reduced in a concentration-dependent manner as determined by differential pulse voltammetry. In addition, electrochemical impedance spectroscopy confirmed selective binding of the analytes to the aptamer-coated electrode. This research offers new insight into the development of portable electrochemical sensors for the detection of HbA1c.
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Affiliation(s)
- Xue-Qing Feng
- Laboratory of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China; (X.-Q.F.); (Y.J.)
- Shanghai Center for Clinical Laboratory, Shanghai 200237, China; (Q.L.); (Z.-G.J.)
| | - Yi Ju
- Laboratory of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China; (X.-Q.F.); (Y.J.)
- Shanghai Center for Clinical Laboratory, Shanghai 200237, China; (Q.L.); (Z.-G.J.)
| | - Wei-Tao Dou
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, China;
| | - Qing Li
- Shanghai Center for Clinical Laboratory, Shanghai 200237, China; (Q.L.); (Z.-G.J.)
| | - Zhong-Gan Jin
- Shanghai Center for Clinical Laboratory, Shanghai 200237, China; (Q.L.); (Z.-G.J.)
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, China;
| | - Tony D. James
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Bang-Ce Ye
- Laboratory of Biosystem and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China; (X.-Q.F.); (Y.J.)
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11
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Liu X, Liu J, Meng C, Zhu P, Liu X, Qian J, Ling S, Zhang Y, Ling Y. Pillar[6]arene-Based Supramolecular Nanocatalysts for Synergistically Enhanced Chemodynamic Therapy by the Intracellular Cascade Reaction. ACS Appl Mater Interfaces 2021; 13:53574-53585. [PMID: 34729975 DOI: 10.1021/acsami.1c15203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Chemodynamic therapy (CDT) based on the intracellular Fenton reaction has become increasingly explored in cancer treatment. However, the mildly acidic tumor microenvironment and the limited amount of intracellular hydrogen peroxide (H2O2) will create issues for CDT to perform a sustained and high-efficiency treatment. Therefore, how to selectively reduce the pH value and augment the amount of H2O2 in tumor tissues has become the key factor for realizing excellent CDT. Besides, the majority of the reported CDT systems have been constructed from iron-based inorganic or metal-organic framework nanomaterials due to the decisive role of metals in CDT, which restricts the development of CDT. In this study, inspired by the host-guest interactions between pillar[6]arene and ferrocene, a ternary pillar[6]arene-based supramolecular nanocatalyst (GOx@T-NPs) for CDT is reported for the first time. GOx@T-NPs not only exhibited a high-efficiency catalytic ability to convert glucose into hydroxyl radicals (•OH) and to reduce the pH value inside cancer cells for significant enhancement of the CDT effect, but they also showed sensitive glutathione-induced camptothecin (CPT) prodrug release capacity for further improving the efficiency of CDT. Hence, GOx@NPs possessed excellent ability to synergistically enhance the CDT. Additionally, an antitumor mechanism study showed that the prominent tumor inhibition capacity of GOx@T-NPs was derived from trimodal synergistic interactions of CDT, starvation therapy, and chemotherapy. Moreover, GOx@T-NPs manifested good biocompatibility and tumor selectivity with few side effects in major organs. This work broadens the range of materials available for CDT and demonstrates new developments in pillar[n]arene-based multimodal synergistic treatment systems.
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Affiliation(s)
- Xin Liu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Ji Liu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Chi Meng
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Peng Zhu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Xiao Liu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Jianqiang Qian
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Shijia Ling
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Yanan Zhang
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
| | - Yong Ling
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong 226001, PR China
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12
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Herman BE, Gardi J, Julesz J, Tömböly C, Szánti-Pintér E, Fehér K, Skoda-Földes R, Szécsi M. Steroidal ferrocenes as potential enzyme inhibitors of the estrogen biosynthesis. Biol Futur 2021; 71:249-264. [PMID: 34554507 DOI: 10.1007/s42977-020-00023-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 06/04/2020] [Indexed: 01/13/2023]
Abstract
The potential inhibitory effect of diverse triazolyl-ferrocene steroids on key enzymes of the estrogen biosynthesis was investigated. Test compounds were synthesized via copper-catalyzed cycloaddition of steroidal azides and ferrocenyl-alkynes using our efficient methodology published previously. Inhibition of human aromatase, steroid sulfatase (STS) and 17β-hydroxysteroid dehydrogenase type 1 (17β-HSD1) activities was investigated with in vitro radiosubstrate incubations. Some of the test compounds were found to be potent inhibitors of the STS. A compound bearing ferrocenyl side chain on the C-2 displayed a reversible inhibition, whereas C-16 and C-17 derivatives displayed competitive irreversible binding mechanism toward the enzyme. 17α-Triazolyl-ferrocene derivatives of 17β-estradiol exerted outstanding inhibitory effect and experiments demonstrated a key role of the ferrocenyl moiety in the enhanced binding affinity. Submicromolar IC50 and Ki parameters enroll these compounds to the group of the most effective STS inhibitors published so far. STS inhibitory potential of the steroidal ferrocenes may lead to the development of novel compounds able to suppress in situ biosynthesis of 17β-estradiol in target tissues.
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Affiliation(s)
- Bianka Edina Herman
- 1st Department of Medicine, University of Szeged, Korányi fasor 8-10, P. O. Box 427, Szeged, 6720, Hungary
| | - János Gardi
- 1st Department of Medicine, University of Szeged, Korányi fasor 8-10, P. O. Box 427, Szeged, 6720, Hungary
| | - János Julesz
- 1st Department of Medicine, University of Szeged, Korányi fasor 8-10, P. O. Box 427, Szeged, 6720, Hungary
| | - Csaba Tömböly
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Temesvári körút 62, P. O. Box 521, Szeged, 6726, Hungary
| | - Eszter Szánti-Pintér
- Department of Organic Chemistry, Institute of Chemistry, University of Pannonia, Egyetem utca 10, P. O. Box 158, Veszprém, 8200, Hungary
| | - Klaudia Fehér
- Department of Organic Chemistry, Institute of Chemistry, University of Pannonia, Egyetem utca 10, P. O. Box 158, Veszprém, 8200, Hungary
| | - Rita Skoda-Földes
- Department of Organic Chemistry, Institute of Chemistry, University of Pannonia, Egyetem utca 10, P. O. Box 158, Veszprém, 8200, Hungary.
| | - Mihály Szécsi
- 1st Department of Medicine, University of Szeged, Korányi fasor 8-10, P. O. Box 427, Szeged, 6720, Hungary.
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13
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Zhu L, Yu L, Yang X. Electrochemical-Based DNA Logic Devices Regulated by the Diffusion and Intercalation of Electroactive Dyes. ACS Appl Mater Interfaces 2021; 13:42250-42257. [PMID: 34452580 DOI: 10.1021/acsami.1c12650] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Electrochemical-based logic gates are simple to operate, sensitive, controllable, and easy to integrate with silicon-based semiconductor logic devices, showing great application prospects and remaining largely unexplored. Herein, an immobilization-free dual-output electrochemical molecular logic system based on the different diffusivity of electroactive dyes ferrocene (Fc) and methylene blue (MB) toward an indium tin oxide (ITO) electrode under different DNA hybridization reactions was developed. In this system, the hybridization of the catalytic strand IN1 with Fc-modified hairpin DNA H1 triggered an exonuclease III (Exo III) cleavage cycle to obtain free Fc and produce a large number of long double-stranded DNAs via the hybridization chain reaction for intercalating MB, which was previously in the free state. Such a hybridization reaction caused a significant change in the diffusion capacity of MB and Fc toward the ITO electrode, resulting in two electrochemical signals with opposite changes. On this basis, a contrary logic pair library, a parity generator/checker system for differentiating the erroneous bits during data transmission, a parity checker to identify the even/odd natural numbers from 0 to 9, and a series of concatenated logic circuits for meeting the needs of computational complexity were developed. The proposed electrochemical-based molecular logic system greatly expanded the application of the electrochemical method in the construction of logic circuits and provided a conceptual prototype for the development of more advanced and complicated logic devices.
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Affiliation(s)
- Liping Zhu
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Linying Yu
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Xiurong Yang
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
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14
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Jallinoja VIJ, Carney BD, Zhu M, Bhatt K, Yazaki PJ, Houghton JL. Cucurbituril-Ferrocene: Host-Guest Based Pretargeted Positron Emission Tomography in a Xenograft Model. Bioconjug Chem 2021; 32:1554-1558. [PMID: 34156824 PMCID: PMC9153067 DOI: 10.1021/acs.bioconjchem.1c00280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pretargeted positron emission tomography is a macromolecule-driven nuclear medicine technique that involves targeting a preadministered antigen target-bound macromolecule with a radioligand in vivo, aiming to minimize the overall radiation dose. This study investigates the use of antibody based host-guest chemistry methodology for pretargeted positron emission tomography. We hypothesize that the novel pretargeting approach reported here overcomes the challenges the current pretargeting platforms have with the in vivo stability and modularity of the pretargeting components. A cucurbit[7]uril host molecule modified, anti-carcinoembryonic antigen antibody (M5A; CB7-M5A) and a 68Ga-radiolabeled ferrocene guest radioligand ([68Ga]Ga-NOTA-PEG3-NMe2-Fc) were studied as potential host-guest chemistry pretargeting agents for positron emission tomography in BxPC3 xenografted nude mice. The viability of the platform was studied via in vivo biodistribution and positron emission tomography. Tumor uptake of [68Ga]Ga-NOTA-PEG3-NMe2-Fc was significantly higher in mice which received CB7-M5A prior to the radioligand injection (pretargeted) (3.3 ± 0.7%ID/g) compared to mice which only received the radioligand (nonpretargeted) (0.2 ± 0.1%ID/g).
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Affiliation(s)
- Vilma IJ Jallinoja
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, 37232, USA
- Department of Radiology, Stony Brook University, Stony Brook, New York, 11774, USA
| | - Brandon D Carney
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, 37232, USA
- Department of Radiology, Stony Brook University, Stony Brook, New York, 11774, USA
| | - Meiying Zhu
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, 37232, USA
| | - Kavita Bhatt
- Department of Radiology, Stony Brook University, Stony Brook, New York, 11774, USA
| | - Paul J Yazaki
- Beckman Institute, City of Hope, Duarte, California 91010, USA
| | - Jacob L Houghton
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, 37232, USA
- Department of Radiology, Stony Brook University, Stony Brook, New York, 11774, USA
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15
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He X, Dong J, Han H, Sun N, Shi W, Lu X, Jia H, Lu X. A Novel Electrochemical Aptasensor for the Ultrasensitive Detection of Adenosine Triphosphate Based on DNA-Templated Copolymers. ACS Appl Mater Interfaces 2021; 13:35561-35567. [PMID: 34296595 DOI: 10.1021/acsami.1c10173] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Adenosine triphosphate (ATP) is a small but significant biological molecule that plays an important role in regulating cellular metabolism processes. Accurate and sensitive analytical techniques for detecting ATP are urgently needed. Herein, a new electrochemical aptasensor was designed in light of DNA-templated copolymers that parallel to the electrode for sensitive gauging of ATP. The ATP aptamer decorated by the electronic medium ferrocene can be regarded as a ″bridge″ connecting two DNA-templated copolymers. When ATP exists, because of the extraordinary binding selectivity of DNA-templated copolymers for target ATP, the rapid electron transfer of ferrocene was beneficial to the sensitive detection of target ATP. Specifically, our parallel DNA copolymers are more stable than upright DNA copolymers and have a faster signal transmission because of the close distance to the electrode; meanwhile, the nonspecific pollution is less. Consequently, the developed novel aptasensor exhibited a wide range of linear response toward ATP that was from 0.1 to 10 000 pM and high selectivity with a detection limit down to 11.5 fM. The electrochemical aptasensor has a broad application prospect in the detection of small biological molecules.
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Affiliation(s)
- Xiaoyan He
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Jiandi Dong
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Huimin Han
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Nan Sun
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Wenyu Shi
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Xiong Lu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Hui Jia
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
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16
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Qian Y, Zhang J, Xu R, Li Q, Shen Q, Zhu G. Nanoparticles based on polymers modified with pH-sensitive molecular switch and low molecular weight heparin carrying Celastrol and ferrocene for breast cancer treatment. Int J Biol Macromol 2021; 183:2215-2226. [PMID: 34097964 DOI: 10.1016/j.ijbiomac.2021.05.204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/27/2021] [Accepted: 05/30/2021] [Indexed: 10/21/2022]
Abstract
Triple negative breast cancer (TNBC) metastasis is still one of the obstacles in clinical treatment, while highly-effective cancer drugs usually cannot be used for their hydrophobicity and comprehensive system toxicity. This study built a kind of pH-sensitive nanoparticles (PP/H NPs) constructed by poly (lactic-co-glycolic acid) modified with β-cyclodextrin (PLGA-β-CD), polyethyleneimine grafted with benzimidazole (PEI-BM) and low molecular weight heparin (LMWH) to delivery Celastrol (Cela) and ferrocene (Fc) for breast cancer therapy. PLGA-β-CD and PEI-BM were synthesized by amidation reaction, the amphipathic polymer nanoparticles with 108.37 ± 1.02 nm were self-assembled in water. After PP/H NPs treatment, the half maximal inhibitory concentration (IC50) decreased by 91% compared with Cela, and ROS level was also elevated. PP/H NPs led to substantial tumor inhibiting rate (TIR, 65.86%), utilized LMWH to strengthen the anti-metastasis effect of PP/H NPs. PP/H NPs took advantage of exogenous chemotherapeutics and endogenous ROS to inhibit tumor growth, and combined with LMWH to hinder breast cancer metastasis.
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Affiliation(s)
- Yun Qian
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
| | - Jun Zhang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Rui Xu
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Qiang Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
| | - Qi Shen
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Guofu Zhu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China.
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17
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He Y, Jin X, Guo S, Zhao H, Liu Y, Ju H. Conjugated Polymer-Ferrocence Nanoparticle as an NIR-II Light Powered Nanoamplifier to Enhance Chemodynamic Therapy. ACS Appl Mater Interfaces 2021; 13:31452-31461. [PMID: 34197086 DOI: 10.1021/acsami.1c06613] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Chemodynamic therapy (CDT) is a promising therapeutic modality with transition metal ions and endogenous H2O2 as reagents, but its efficiency is impaired by low endogenous H2O2 levels and nonregeneration of metal ions. Most intracellular H2O2 supplement strategies use oxidases and are intensively dependent on oxygen participation. The hypoxia microenvironments of solid tumors weaken their performance. Here, we develop a near-infrared II light powered nanoamplifier to improve the local oxygen level and to enhance CDT. The nanoamplifier CPNP-Fc/Pt consists of ferrocene (Fc)- and cisplatin prodrug (Pt(IV))-modified conjugated polymer nanoparticles (CPNPs). CPNP has a donor-acceptor structure and demonstrates a good photothermal effect under 1064 nm light irradiation, which accelerates blood flow and efficiently elevates the local oxygen content. In response to intracellular glutathione, Pt(II) is released from CPNP-Fc/Pt and triggers enzymatic cascade reactions with nicotinamide adenine dinucleotide phosphate oxidase (NADPH oxidase) and superoxide dismutase to convert oxygen into H2O2. The enhanced oxygen level results in efficient intracellular H2O2 supply. Fc is reacted with H2O2 and converted to Fc+ via the Fenton reaction, with the generation of hydroxyl radicals for CDT. Unlike free metal ions, the Fe(III) in Fc+ is reduced to Fe(II) by intracellular NAD(P)H, which achieves the regeneration of Fc. The sufficient intracellular H2O2 supply and efficient Fc regeneration effectively enhance the Fenton reaction and demonstrate good in vivo CDT results with tumor growth suppression. This design offers a promising strategy to enhance CDT efficiency in the hypoxia microenvironment of solid tumors.
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Affiliation(s)
- Yuling He
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xinyu Jin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shuwen Guo
- State Key Laboratory of Quality Research in Chinese Medic, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China
| | - Hongxia Zhao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Ying Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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18
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Abstract
The hydration effect on the folding behavior of oligopeptides is of vital importance both in the structure basis of biomolecules and in the rational design of peptide-based materials, which however has rarely been addressed. Here we present the hydration impact on the spontaneous folding of dipeptides conjugated by the ferrocene spacer. In organic phase, the ferrocene-glycine-phenylalanine dipeptide formed a parallel β-sheet structure and Herrick's conformation, which underwent conformational transformation encountering aqueous media, by significantly switching dipeptide arm angles around the ferrocene axis up to 72°. The conformational transformation behavior aroused inversion of the chiroptical activity. Solid X-ray structures, proton nuclear magnetic resonance, chiroptical spectroscopy, and the density functional theory calculation were employed to unveil the hydration effect in the secondary structure transition, in which the rearrangement of hydrogen bonds played the vital role. This work deepens the understanding of water functioning in the structure modulation of biomolecules and also provides an alternative protocol in designing novel chiroptical switches and adaptive peptide-based biomaterials.
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Affiliation(s)
- Bingyu Liu
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Aiyou Hao
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
| | - Pengyao Xing
- Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China
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19
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Liu X, Ren Z, Liu F, Zhao L, Ling Q, Gu H. Multifunctional Self-Healing Dual Network Hydrogels Constructed via Host-Guest Interaction and Dynamic Covalent Bond as Wearable Strain Sensors for Monitoring Human and Organ Motions. ACS Appl Mater Interfaces 2021; 13:14612-14622. [PMID: 33723988 DOI: 10.1021/acsami.1c03213] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Hydrogel-based flexible strain sensors have shown great potential in body movement tracking, early disease diagnosis, noninvasive treatment, electronic skins, and soft robotics. The good self-healing, biocompatible, sensitive and stretchable properties are the focus of hydrogel-based flexible strain sensors. Dual network (DN) hydrogels are hopeful to fabricate self-healing hydrogels with the above properties. Here, multifunctional DN hydrogels are prepared via a combination of host-guest interaction of β-cyclodextrin and ferrocene with dynamic borate ester bonds of poly(vinyl alcohol) and borax. Carbon nanotubes are used to endow the DN hydrogels with good conductivity. The obtained DN composite hydrogels possess good biocompatibility, stretchability (436%), fracture strength (41.0 KPa), self-healing property (healing efficiency of 95%), and high tensile strain sensitivity (gauge factor of 5.9). The DN composite hydrogels are used as flexible strain sensors to detect different human motions. After cutting, the healed hydrogels also can monitor human motions and have good stability. In addition, the hydrogel sensors may track the respiratory movement of a pig lung in vitro. This work exhibits new ideas and approaches to develop multifunctional self-healing hydrogels for constructing flexible strain sensors.
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Affiliation(s)
- Xiong Liu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Zhijun Ren
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Fangfei Liu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Li Zhao
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Qiangjun Ling
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Haibin Gu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
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20
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Kovács Z, Csámpai A. 2,3-Dihydroferroceno[3,4]pyrrolo[2,1-b]thiazol-5(8b)-ones: Synthesis, Structure and DFT Study on the Mechanism of Chemo- and Diastereoslective Annulations of ( Sp)-2-Formylferrocenecarbonyl Fluoride and ( Sp)-2-Formylferrocenecarboxylic Acid. Molecules 2021; 26:molecules26051420. [PMID: 33808035 PMCID: PMC7961964 DOI: 10.3390/molecules26051420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/19/2021] [Accepted: 03/01/2021] [Indexed: 11/16/2022] Open
Abstract
By means of the annulation of easy-to-handle yet sufficiently reactive (Sp)-2-formylferrocenecar- bonyl fluoride with the hydrochlorides of cysteamine and the methyl esters of enentiomer cysteines conducted in dichloromethane at room temperature in the presence of pyridine, the first members of 2,3-dihydroferroceno[3,4]pyrrolo[2,1-b]thiazol-5(8bH)-ones with the elements of planar- and central chirality were prepared as single enantiomers. An atom economic procedure was also elaborated for the synthesis of these organometallic heterocycles directly exploring (Sp)-2-formylferrocenecarboxylic acid in situ activated by CDI and TFA, sequentially added to the reaction mixture. The relative and consequently, the absolute, configuration of the isolated diastereomers was determined by NMR measurements supported by DFT structural optimization. On the basis of the results of synthetic control experiments and a series of further DFT modelling studies, including energetic and MO analysis of the iminium intermediates, we propose a mechanism for the thiazolidine-forming annulations that proceed via primary N-acylation followed by proton-mediated cyclocondensation and subsequent diastereoselective sulfhydryl-attack on the resulting iminium center.
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21
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Cao HY, Lu B, Cheng L, Xu BX, Wang M, Xu W, Cui HF. A double signal amplification-based homogeneous electrochemical sensor built on catalytic hairpin assembly and bisferrocene markers. Anal Biochem 2021; 632:114140. [PMID: 33610535 DOI: 10.1016/j.ab.2021.114140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 02/09/2021] [Accepted: 02/14/2021] [Indexed: 12/23/2022]
Abstract
A facile, sensitive and unmodified Hg2+ homogeneous electrochemical sensor based on bisferrocene signal markers and catalytic hairpin self-assembly (CHA) was built on a gold disk electrode. Three hairpin probes were designed, in which thiol was labeled at both ends of the hairpin probe 1(HP1), while bisferrocene, a redox signal marker, was labeled at both ends of the hairpin probe 2(HP2) and hairpin probe 3(HP3). Due to the Hg2+ mediated thymine-Hg (II)-thymine (T-Hg2+-T) structure, when Hg2+ is introduced, the T-Hg2+-T that occurred between the probe DNA and helper DNA could open the hairpin structure of probe DNA and form a rigid DNA triangles structure by CHA. Simultaneously, four bisferrocene signal markers also reached the surface of the electrode and built potential-assisted Au-S self-assembly to achieve signal amplification. Under the optimized condition, the sensor can achieve good electrochemical response Hg2+detection, and the detection limit is as low as 0.6 pM. furthermore, this sensor has high selectivity for Hg2+ detection.
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Affiliation(s)
- Hai Yong Cao
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Bo Lu
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Lin Cheng
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Bin Xiang Xu
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Mei Wang
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Wei Xu
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China
| | - Han Feng Cui
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, Nanchang, JiangXi, 330004, China.
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22
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Zhao W, Zhang X, Zhang R, Zhang K, Li Y, Xu FJ. Self-Assembled Herbal Medicine Encapsulated by an Oxidation-Sensitive Supramolecular Hydrogel for Chronic Wound Treatment. ACS Appl Mater Interfaces 2020; 12:56898-56907. [PMID: 33296174 DOI: 10.1021/acsami.0c19492] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Inflammation has been assumed to affect the pathology of wound healing and is associated with many nonhealing chronic wounds. Naturally derived herbal medicines with anti-inflammatory properties are of interest because of their effectiveness and affordability in clinical treatment. Herein, we report a supramolecular hydrogel comprising self-assembled natural herb rhein and an oxidative responsive cross-linked network based on ferrocene and β-cyclodextrin host-guest recognitions. Rhein can directly self-assemble into fibrils, exerting better anti-inflammation efficiency than its free drug form. The adaption of the supramolecular network can greatly improve the stability and retain the structural integrity of encapsulated self-assembled rhein. In addition, host-guest recognition confers dissolution of the hydrogel under oxidative stress, thereby delivering self-assembled rhein to the wound site and exerting better therapeutic efficiency. Evaluations in diabetic mice indicate that the resultant hydrogel promoted chronic wound healing by suppressing excess reactive oxygen species, facilitating the transition of the wound healing process, and restoring the normal wound-repair process. Therefore, the proposed hydrogel has a potential value as an herbal-based dressing for future clinical chronic wound management.
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Affiliation(s)
- Weiyi Zhao
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiang Zhang
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Rui Zhang
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Kai Zhang
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yang Li
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fu-Jian Xu
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
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23
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Pan Y, Morisako S, Aoyagi S, Sasamori T. Generation of Bis(ferrocenyl)silylenes from Siliranes. Molecules 2020; 25:molecules25245917. [PMID: 33327589 PMCID: PMC7765056 DOI: 10.3390/molecules25245917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 11/16/2022] Open
Abstract
Divalent silicon species, the so-called silylenes, represent attractive organosilicon building blocks. Isolable stable silylenes remain scarce, and in most hitherto reported examples, the silicon center is stabilized by electron-donating substituents (e.g., heteroatoms such as nitrogen), which results in electronic perturbation. In order to avoid such electronic perturbation, we have been interested in the chemistry of reactive silylenes with carbon-based substituents such as ferrocenyl groups. Due to the presence of a divalent silicon center and the redox-active transition metal iron, ferrocenylsilylenes can be expected to exhibit interesting redox behavior. Herein, we report the design and synthesis of a bis(ferrocenyl)silirane as a precursor for a bis(ferrocenyl)silylene, which could potentially be used as a building block for redox-active organosilicon compounds. It was found that the isolated bis(ferrocenyl)siliranes could be a bottleable precursor for the bis(ferrocenyl)silylene under mild conditions.
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Affiliation(s)
- Yang Pan
- Graduate School of Science, Nagoya City University, Nagoya, Aichi 467-8501, Japan; (Y.P.); (S.A.)
| | - Shogo Morisako
- Division of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan;
| | - Shinobu Aoyagi
- Graduate School of Science, Nagoya City University, Nagoya, Aichi 467-8501, Japan; (Y.P.); (S.A.)
| | - Takahiro Sasamori
- Graduate School of Science, Nagoya City University, Nagoya, Aichi 467-8501, Japan; (Y.P.); (S.A.)
- Division of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan;
- Correspondence: ; Tel.: +81-29-853-4412
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24
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Snegur LV, Borisov YA, Ermolenko YV, Safronova VN, Kiselev SS, Kochetkov KA, Simenel AA. Application of capillary electrophoresis technique for the enantioseparation of bioactive ferrocene-based compounds versus DFT calculated data. Electrophoresis 2020; 41:1969-1979. [PMID: 32838479 DOI: 10.1002/elps.202000154] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/01/2020] [Accepted: 08/10/2020] [Indexed: 02/05/2023]
Abstract
Herein, a series of bioactive ferrocene-modified N-heterocycles with alkyl linkers was prepared in good to quantitative yields starting from easy accessible ferrocene alcohols and heterocycles under acidic or neutral (for imidazole) conditions in racemic forms. The analytical resolution of a number of bioactive racemic ferrocene azoles 1-6 (where azole = imidazole, pyrazole, and benzotriazole derivatives) into enantiomers was first carried out by CE using sulfobuthylether-β-CD (captisol) as a chiral selector. The analytical approaches to highly enantiomeric-enriched ferrocene derivatives are based on the formation of their inclusion complexes. The best chiral separation was achieved using zone CE in a quartz capillary. The ACE was used to evaluate the stability constants of captisol complexes with enantiomeric forms of two ferrocene derivatives 1, FcCHMe-imidazole, and 6, FcCHMe-benzotriazole. The optimal conditions for the resolution of the studied (R, S)-ferrocene compounds 1, 2, and 6 were predicted on the basis of the performed quantum chemical calculations and then implemented by the electrophoretic method. A high correlation between density functional theory calculation results and experimental electrophoresis data were obtained. Successful enantioseparation of racemic mixtures is of great importance for the characterization and further applications of drug candidates in enantiopure forms and in the development of clinical treatment. The advantages of the CE procedure make it possible to have important practical value and significance for determining the purity and enantiomeric excess of other ferrocene-containing compounds.
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Affiliation(s)
- Lubov V Snegur
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
| | - Yurii A Borisov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
| | - Yuliya V Ermolenko
- D. I. Mendeleev University of Chemical Technology of Russia, Moscow, Russia
| | | | - Sergey S Kiselev
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
| | - Konstantin A Kochetkov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
- D. I. Mendeleev University of Chemical Technology of Russia, Moscow, Russia
| | - Alexander A Simenel
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
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25
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Mbaba M, Golding TM, Smith GS. Recent Advances in the Biological Investigation of Organometallic Platinum-Group Metal (Ir, Ru, Rh, Os, Pd, Pt) Complexes as Antimalarial Agents. Molecules 2020; 25:molecules25225276. [PMID: 33198217 PMCID: PMC7698227 DOI: 10.3390/molecules25225276] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 01/06/2023] Open
Abstract
In the face of the recent pandemic and emergence of infectious diseases of viral origin, research on parasitic diseases such as malaria continues to remain critical and innovative methods are required to target the rising widespread resistance that renders conventional therapies unusable. The prolific use of auxiliary metallo-fragments has augmented the search for novel drug regimens in an attempt to combat rising resistance. The development of organometallic compounds (those containing metal-carbon bonds) as antimalarial drugs has been exemplified by the clinical development of ferroquine in the nascent field of Bioorganometallic Chemistry. With their inherent physicochemical properties, organometallic complexes can modulate the discipline of chemical biology by proffering different modes of action and targeting various enzymes. With the beneficiation of platinum group metals (PGMs) in mind, this review aims to describe recent studies on the antimalarial activity of PGM-based organometallic complexes. This review does not provide an exhaustive coverage of the literature but focusses on recent advances of bioorganometallic antimalarial drug leads, including a brief mention of recent trends comprising interactions with biomolecules such as heme and intracellular catalysis. This resource can be used in parallel with complementary reviews on metal-based complexes tested against malaria.
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26
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Peigneguy F, Cougnon C, Barry-Martinet R, Bressy C, Gohier F. Antifouling Activities of Immobilized Ferrocenyl Glucose on a Glassy Carbon Surface. ACS Appl Mater Interfaces 2020; 12:33370-33376. [PMID: 32597631 DOI: 10.1021/acsami.0c06859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Polar coatings are used to protect surfaces from marine fouling based on the formation of a hydrated surface layer, which acts as a barrier to marine microorganisms. In this context, we have developed a material with glucose bound to ferrocene to prevent surface absorption. Glucose brings the polarity while ferrocene has the role of varying the state of charge of the surface. We therefore describe the synthesis of 6-deoxy-6-(4-ferrocenyl-1H-1,2,3-triazol-1-yl)-1-(4-aminophenyl)-β-D-glucopyranose 6 and its immobilization on the surface of a C electrode and develop a methodology used for antibacterial testing. We were able to demonstrate that the immobilization of glucose 6 could be done in an artificial seawater environment by oxidation of an amine. The use of a 96-microwell platform equipped with electrodes for cyclic voltammetry, linked to a potentiostat, allowed the electrical solicitation of the coating in the presence of marine bacteria with a greater number of biological replicates. We have shown that the coating has an antibacterial effect, and this effect is accentuated when the coating is electrically stressed, resulting in the appearance and disappearance of charge on ferrocene, a phenomenon that seems to be conducive to colonization by bacteria.
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Affiliation(s)
- Fanny Peigneguy
- MOLTECH-Anjou, UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers, Cedex, France
| | - Charles Cougnon
- MOLTECH-Anjou, UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers, Cedex, France
| | - Raphaëlle Barry-Martinet
- Laboratoire MAPIEM, E.A.4323, SeaTech Ecole d'Ingénieurs, Université de Toulon, CS 8 60584, 83041 Toulon, Cedex 9, France
| | - Christine Bressy
- Laboratoire MAPIEM, E.A.4323, SeaTech Ecole d'Ingénieurs, Université de Toulon, CS 8 60584, 83041 Toulon, Cedex 9, France
| | - Frédéric Gohier
- MOLTECH-Anjou, UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers, Cedex, France
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Abstract
Resistance to chemotherapy is a current clinical problem, especially in the treatment of microbial infections and cancer. One strategy to overcome this is to make new derivatives of existing drugs by conjugation to organometallic fragments, either by an appropriate linker, or by direct coordination of the drug to a metal. We illustrate this with examples of conjugated organometallic metallocene sandwich and half-sandwich complexes, RuII and OsII arene, and RhIII and IrIII cyclopentadienyl half-sandwich complexes. Ferrocene conjugates are particularly promising. The ferrocene-chloroquine conjugate ferroquine is in clinical trials for malaria treatment, and a ferrocene-tamoxifen derivative (a ferrocifen) seems likely to enter anticancer trails soon. Several other examples illustrate that organometallic conjugation can restore the activity of drugs to which resistance has developed.
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Affiliation(s)
- Prinessa Chellan
- Department of Chemistry and Polymer ScienceStellenbosch University7600Matieland, Western CapeSouth Africa
| | - Peter J. Sadler
- Department of ChemistryUniversity of WarwickCoventryCV4 7ALUK
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28
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Swarts PJ, Conradie J. Synthesis, Spectroscopy, Electrochemistry and DFT of Electron-Rich Ferrocenylsubphthalocyanines. Molecules 2020; 25:molecules25112575. [PMID: 32492953 PMCID: PMC7321219 DOI: 10.3390/molecules25112575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/28/2020] [Accepted: 05/29/2020] [Indexed: 11/16/2022] Open
Abstract
A series of novel ferrocenylsubphthalocyanine dyads Y-BSubPc(H)12 with ferrocenyl-carboxylic acids Y-H = (FcCH2CO2-H), (Fc(CH2)3CO2-H) or (FcCO(CH2)2CO2-H) in the axial position were synthesized from the parent Cl-BSubPc(H)12 via an activated triflate-SubPc intermediate. UV/Vis data revealed that the axial ferrocenyl-containing ligand did not influence the Q-band maxima compared to Cl-BSubPc(H)12. A combined electrochemical and density functional theory (DFT) study showed that Fe group of the ferrocenyl-containing axial ligand is involved in the first reversible oxidation process, followed by a second oxidation localized on the macrocycle of the subphthalocyanine. Both observed reductions were ring-based. It was found that the novel Fc(CH2)3CO2BSubPc(H)12 exhibited the lowest first macrocycle-based reduction potential (-1.871 V vs. Fc/Fc+) reported for SubPcs till date. The oxidation and reduction values of Fc(CH2)nCO2BSubPc(H)12 (n = 0-3), FcCO(CH2)2CO2BSubPc(H)12, and Cl-BSubPc(H)12 illustrated the electronic influence of the carboxyl group, the different alkyl chains and the ferrocenyl group in the axial ligand on the ring-based oxidation and reduction values of the SubPcs.
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Affiliation(s)
- Pieter J. Swarts
- Department of Chemistry, University of the Free State, Bloemfontein 9300, South Africa;
| | - Jeanet Conradie
- Department of Chemistry, University of the Free State, Bloemfontein 9300, South Africa;
- Department of Chemistry, UiT—The Arctic University of Norway, N-9037 Tromsø, Norway
- Correspondence: ; Tel.: +27-(51)-4012194; Fax: +27-4017295
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29
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Reshetnikov V, Özkan HG, Daum S, Janko C, Alexiou C, Sauer C, Heinrich MR, Mokhir A. N-Alkylaminoferrocene-Based Prodrugs Targeting Mitochondria of Cancer Cells. Molecules 2020; 25:molecules25112545. [PMID: 32486084 PMCID: PMC7321169 DOI: 10.3390/molecules25112545] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/21/2020] [Accepted: 05/27/2020] [Indexed: 11/16/2022] Open
Abstract
Intracellular concentration of reactive oxygen species (e.g., H2O2) in cancer cells is elevated over 10-fold as compared to normal cells. This feature has been used by us and several other research groups to design cancer specific prodrugs, for example, N-alkylaminoferrocene (NAAF)-based prodrugs. Further improvement of the efficacy of these prodrugs can be achieved by their targeting to intracellular organelles containing elevated reactive oxygen species (ROS) amounts. For example, we have previously demonstrated that lysosome-targeted NAAF-prodrugs exhibit higher anticancer activity in cell cultures, in primary cells and in vivo (Angew. Chem. Int. Ed. 2017, 56, 15545). Mitochondrion is an organelle, where electrons can leak from the respiratory chain. These electrons can combine with O2, generating O2-• that is followed by dismutation with the formation of H2O2. Thus, ROS can be generated in excess in mitochondria and targeting of ROS-sensitive prodrugs to these organelles could be a sensible possibility for enhancing their efficacy. We have previously reported on NAAF-prodrugs, which after their activation in cells, are accumulated in mitochondria (Angew. Chem. Int. Ed. 2018, 57, 11943). Now we prepared two hybrid NAAF-prodrugs directly accumulated in mitochondria and activated in these organelles. We studied their anticancer activity and mode of action. Based on these data, we concluded that ROS produced by mitochondria is not available in sufficient quantities for activation of the ROS-responsive prodrugs. The reason for this can be efficient scavenging of ROS by antioxidants. Our data are important for the understanding of the mechanism of action of ROS-activatable prodrugs and will facilitate their further development.
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Affiliation(s)
- Viktor Reshetnikov
- Organic Chemistry Chair II, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (V.R.); (H.G.Ö.); (S.D.)
| | - Hülya Gizem Özkan
- Organic Chemistry Chair II, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (V.R.); (H.G.Ö.); (S.D.)
| | - Steffen Daum
- Organic Chemistry Chair II, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (V.R.); (H.G.Ö.); (S.D.)
- Merck, Im Laternenacker 5, 8200 Schaffhausen, Switzerland
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Glückstraße 10a, 91054 Erlangen, Germany; (C.J.); (C.A.)
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Glückstraße 10a, 91054 Erlangen, Germany; (C.J.); (C.A.)
| | - Caroline Sauer
- Medicinal Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (C.S.); (M.R.H.)
| | - Markus R. Heinrich
- Medicinal Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (C.S.); (M.R.H.)
| | - Andriy Mokhir
- Organic Chemistry Chair II, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany; (V.R.); (H.G.Ö.); (S.D.)
- Correspondence:
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30
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Deng Z, Fang C, Ma X, Li X, Zeng YJ, Peng X. One Stone Two Birds: Zr-Fc Metal-Organic Framework Nanosheet for Synergistic Photothermal and Chemodynamic Cancer Therapy. ACS Appl Mater Interfaces 2020; 12:20321-20330. [PMID: 32293862 DOI: 10.1021/acsami.0c06648] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metal-organic frameworks (MOFs) have been identified as promising materials for the delivery of therapeutics to cure cancer owing to their intrinsic porous structure. However, in a majority of cases, MOFs act as only a delivery cargo for anticancer drugs while little attention has been focused on the utilization of their intriguing physical and chemical properties for potential anticancer purposes. Herein for the first time, an ultrathin (16.4 nm thick) ferrocene-based MOF (Zr-Fc MOF) nanosheet has been synthesized for synergistic photothermal therapy (PTT) and Fenton reaction-based chemodynamic (CDT) therapy to cure cancer without additional drugs. The Zr-Fc MOF nanosheet acts not only as an excellent photothermal agent with a prominent photothermal conversion efficiency of 53% at 808 nm but also as an efficient Fenton catalyst to promote the conversion of H2O2 into hydroxyl radical (•OH). As a consequence, an excellent therapeutic performance has been achieved in vitro as well as in vivo through this combinational effect. This work aims to construct an "all-in-one" MOF nanoplatform for PTT and CDT treatments without incorporating any additional therapeutics, which may launch a new era in the investigation of MOF-based synergistic therapy platforms for cancer therapy.
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Affiliation(s)
- Zheng Deng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
- Shenzhen Key Laboratory of Laser Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Chao Fang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xu Ma
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xiang Li
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yu-Jia Zeng
- Shenzhen Key Laboratory of Laser Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Xinsheng Peng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
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31
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Ni S, Shen Z, Zhang P, Liu G. Enhanced performance of an electrochemical aptasensor for real-time detection of vascular endothelial growth factor (VEGF) by nanofabrication and ratiometric measurement. Anal Chim Acta 2020; 1121:74-82. [PMID: 32493592 DOI: 10.1016/j.aca.2020.05.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 12/12/2022]
Abstract
Achieving a biosensing interface without baseline drift caused by variables in matrix samples is essential for real-time detection of analytes. In this study, we developed a molecular beacon based electrochemical aptasensor to realize the ratiometric signal quantification of VEGF in serum by surface modification of nanocomposites of graphene oxide/methylene blue (GO/MB) and AuNPs followed by the attachment of ferrocene-labeled aptamer (aptamer-Fc) against VEGF. The presence of VEGF can trigger the configuration change of aptamer-Fc, resulting in the redox probe Fc being far away from the electrode surface to attenuate the electrochemical communication between electrode and Fc. Meanwhile, signal of MB also decreased due to the impediment of aptamer-Fc to electron transfer passage. The achieved GC-rGO/MB-AuNPs-aptamer-Fc sensing interface was successfully used for the sensitive detection of VEGF in real-time with a linear detection range 2-500 pg mL-1 and detection limit of 0.1 pg mL-1 based on ratiometric dual signal (Fc and MB) read-out. It was observed loading MB and AuNPs to the GO based sensing interface was favorable to enhance the analytical performance in terms of sensitivity and capability to effectively eliminate background interference. This electrochemical aptasensor provides a universal and reliable biosensing platform which is potential for real-time and sensitive tracking of various cytokines in vivo.
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Affiliation(s)
- Shengnan Ni
- International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China
| | - Zhuping Shen
- International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China
| | - Pengfei Zhang
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Shenzhen Engineering Laboratory of Nanomedicine and Nanoformulations, CAS Key Laboratory of Health Informatics, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Guozhen Liu
- International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China; Graduate School of Biomedical Engineering, Faculty of Engineering, University of New South Wales, Sydney, 2052, Australia; Australian Centre for NanoMedicine and UNSW Digital Grid Futures Institute, University of New South Wales, Sydney, 2052, Australia.
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32
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Li Y, Liu D, Zhu C, Shen X, Liu Y, You T. Sensitivity programmable ratiometric electrochemical aptasensor based on signal engineering for the detection of aflatoxin B1 in peanut. J Hazard Mater 2020; 387:122001. [PMID: 31901843 DOI: 10.1016/j.jhazmat.2019.122001] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/11/2019] [Accepted: 12/29/2019] [Indexed: 06/10/2023]
Abstract
Accurately monitoring of aflatoxin B1 (AFB1), the most hazardous mycotoxin in agricultural products, is essential for the public health, but various testing demands (e.g. detection range, sensitivity) for different samples can be challenging for sensors. Here, we developed a sensitivity-programmable ratiometric electrochemical aptasensor for AFB1 analysis in peanut. Thionine functionalized reduced graphene oxide (THI-rGO) served as reference signal generator, ferrocene-labelled aptamer (Fc-apt) output the response signal. During analysis, the formation of Fc-apt-AFB1 complex led to its stripping from the electrode and faded the current intensity of Fc (IFc), while the current intensity of THI (ITHI) was enhanced. And ratiometric detection of AFB1 was achieved by using the current intensity ratio (ITHI/IFc) as quantitative signal. Compared with ratiometric strategies that highly rely on the labelled aptamers, the proposed strategy could regulate the value of ITHI/IFc by changing the modification of Fc-apt. And the detection sensitivity was found to be closely related to ITHI/IFc. Under the optimal conditions, the fabricated aptasensor with a dynamic range from 0.05-20 ng mL-1 and a detection limit of 0.016 ng mL-1 for AFB1 analysis. Besides, it exhibited excellent selectivity, reliability and reproducibility. The proposed sensitivity-programmable biosensor can be applied to detect various aptamer-recognized mycotoxins in agricultural sensing.
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Affiliation(s)
- Yuye Li
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Dong Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Chengxi Zhu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiuli Shen
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yang Liu
- College of Science and Engineering, James Cook University, Townsville, Queensland 4811, Australia
| | - Tianyan You
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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Kondzior M, Grabowska I. Antibody-Electroactive Probe Conjugates Based Electrochemical Immunosensors. Sensors (Basel) 2020; 20:E2014. [PMID: 32260217 PMCID: PMC7180895 DOI: 10.3390/s20072014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022]
Abstract
Suitable immobilization of a biorecognition element, such as an antigen or antibody, on a transducer surface is essential for development of sensitive and analytically reliable immunosensors. In this review, we report on (1) methods of antibody prefunctionalization using electroactive probes, (2) methods for immobilization of such conjugates on the surfaces of electrodes in electrochemical immunosensor construction and (3) the use of antibody-electroactive probe conjugates as bioreceptors and sensor signal generators. We focus on different strategies of antibody functionalization using the redox active probes ferrocene (Fc), anthraquinone (AQ), thionine (Thi), cobalt(III) bipyridine (Co(bpy)33+), Ru(bpy)32+ and horseradish peroxidase (HRP). In addition, new possibilities for antibody functionalization based on bioconjugation techniques are presented. We discuss strategies of specific, quantitative antigen detection based on (i) a sandwich format and (ii) a direct signal generation scheme. Further, the integration of different nanomaterials in the construction of these immunosensors is presented. Lastly, we report the use of a redox probe strategy in multiplexed analyte detection.
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Affiliation(s)
| | - Iwona Grabowska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
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Rep V, Piškor M, Šimek H, Mišetić P, Grbčić P, Padovan J, Gabelica Marković V, Jadreško D, Pavelić K, Kraljević Pavelić S, Raić-Malić S. Purine and Purine Isostere Derivatives of Ferrocene: An Evaluation of ADME, Antitumor and Electrochemical Properties. Molecules 2020; 25:molecules25071570. [PMID: 32235404 PMCID: PMC7180452 DOI: 10.3390/molecules25071570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 12/23/2022] Open
Abstract
Novel purine and purine isosteres containing a ferrocene motif and 4,1-disubstituted (11a-11c, 12a-12c, 13a-13c, 14a-14c, 15a-15c, 16a, 23a-23c, 24a-24c, 25a-25c) and 1,4-disubstituted (34a-34c and 35a-35c) 1,2,3-triazole rings were synthesized. The most potent cytotoxic effect on colorectal adenocarcinoma (SW620) was exerted by the 6-chloro-7-deazapurine 11c (IC50 = 9.07 µM), 6-chloropurine 13a (IC50 = 14.38 µM) and 15b (IC50 = 15.50 µM) ferrocenylalkyl derivatives. The N-9 isomer of 6-chloropurine 13a containing ferrocenylmethylene unit showed a favourable in vitro physicochemical and ADME properties including high solubility, moderate permeability and good metabolic stability in human liver microsomes.
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Affiliation(s)
- Valentina Rep
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb 10000, Croatia; (V.R.); (M.P.); (H.Š.)
| | - Martina Piškor
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb 10000, Croatia; (V.R.); (M.P.); (H.Š.)
| | - Helena Šimek
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb 10000, Croatia; (V.R.); (M.P.); (H.Š.)
| | - Petra Mišetić
- Fidelta d.o.o., Zagreb 10000, Croatia; (P.M.); (J.P.)
| | - Petra Grbčić
- Department of Biotechnology, Center for High-Throughput Technologies, University of Rijeka, Rijeka 51000, Croatia; (P.G.); (S.K.P.)
| | - Jasna Padovan
- Fidelta d.o.o., Zagreb 10000, Croatia; (P.M.); (J.P.)
| | - Vesna Gabelica Marković
- International Relations Office, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb 10000, Croatia;
| | - Dijana Jadreško
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Zagreb 10000, Croatia;
| | - Krešimir Pavelić
- Faculty of Medicine, Juraj Dobrila University of Pula, Pula 52100, Croatia;
| | - Sandra Kraljević Pavelić
- Department of Biotechnology, Center for High-Throughput Technologies, University of Rijeka, Rijeka 51000, Croatia; (P.G.); (S.K.P.)
| | - Silvana Raić-Malić
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb 10000, Croatia; (V.R.); (M.P.); (H.Š.)
- Correspondence: ; Tel.: +385-1-4597213
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Costa NCS, Piccoli JP, Santos-Filho NA, Clementino LC, Fusco-Almeida AM, De Annunzio SR, Fontana CR, Verga JBM, Eto SF, Pizauro-Junior JM, Graminha MAS, Cilli EM. Antimicrobial activity of RP-1 peptide conjugate with ferrocene group. PLoS One 2020; 15:e0228740. [PMID: 32214347 PMCID: PMC7098557 DOI: 10.1371/journal.pone.0228740] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 01/21/2020] [Indexed: 12/20/2022] Open
Abstract
Parasitic diseases are a neglected and serious problem, especially in underdeveloped countries. Among the major parasitic diseases, Leishmaniasis figures as an urgent challenge due to its high incidence and severity. At the same time, the indiscriminate use of antibiotics by the population is increasing together with resistance to medicines. To address this problem, new antibiotic-like molecules that directly kill or inhibit the growth of microorganisms are necessary, where antimicrobial peptides (AMPs) can be of great help. In this work, the ferrocene molecule, one active compound with low levels of in vivo toxicity, was coupled to the N-terminus of the RP1 peptide (derived from the human chemokine CXCL4), aiming to evaluate how this change modifies the structure, biological activity, and toxicity of the peptide. The peptide and the conjugate were synthesized using the solid phase peptide synthesis (SPPS). Circular dichroism assays in PBS showed that the RP1 peptide and its conjugate had a typical spectrum for disordered structures. The Fc-RP1 presented anti-amastigote activity against Leishmania amazonensis (IC50 = 0.25 μmol L–1). In comparison with amphotericin B, a second-line drug approved for leishmaniasis treatment, (IC50 = 0.63 μmol L-1), Fc-RP1 was more active and showed a 2.5-fold higher selectivity index. The RP1 peptide presented a MIC of 4.3 μmol L-1 against S. agalactiae, whilst Fc-RP1 was four times more active (MIC = 0.96 μmol L-1), indicating that ferrocene improved the antimicrobial activity against Gram-positive bacteria. The Fc-RP1 peptide also decreased the minimum inhibitory concentration (MIC) in the assays against E. faecalis (MIC = 7.9 μmol L-1), E. coli (MIC = 3.9 μmol L-1) and S. aureus (MIC = 3.9 μmol L-1). The cytotoxicity of the compounds was tested against HaCaT cells, and no significant activity at the highest concentration tested (500 μg. mL-1) was observed, showing the high potential of this new compound as a possible new drug. The coupling of ferrocene also increased the vesicle permeabilization of the peptide, showing a direct relation between high peptide concentration and high carboxyfluorescein release, which indicates the action mechanism by pore formation on the vesicles. Several studies have shown that ferrocene destabilizes cell membranes through lipid peroxidation, leading to cell lysis. It is noteworthy that the Fc-RP1 peptide synthesized here is a prototype of a bioconjugation strategy, but it still is a compound with great biological activity against neglected and fish diseases.
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Affiliation(s)
- Natalia C. S. Costa
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Julia P. Piccoli
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Norival A. Santos-Filho
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | - Leandro C. Clementino
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Ana M. Fusco-Almeida
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Sarah R. De Annunzio
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Carla R. Fontana
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Juliane B. M. Verga
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Silas F. Eto
- Faculty of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - João M. Pizauro-Junior
- Faculty of Agrarian and Veterinary Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Marcia A. S. Graminha
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
- * E-mail: (EMC); (MASG)
| | - Eduardo M. Cilli
- Department of Biochemistry and Technological Chemistry, Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
- * E-mail: (EMC); (MASG)
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Xu J, Yang Y, Baigude H, Zhao H. New ferrocene-triazole derivatives for multisignaling detection of Cu 2+ in aqueous medium and their antibacterial activity. Spectrochim Acta A Mol Biomol Spectrosc 2020; 229:117880. [PMID: 31836398 DOI: 10.1016/j.saa.2019.117880] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 11/13/2019] [Accepted: 11/29/2019] [Indexed: 06/10/2023]
Abstract
Ferrocene-based naphthalene or quinoline receptors 1-4 linked by triazole were designed and synthesized. Their recognition properties of metal cations have been investigated systematically in aqueous environment. Upon addition 1 equiv. of Cu2+ ion, receptors 1 (C23H19FeN3O) and 2 (C22H18FeN4O) showed fluorescent turn-off, enhanced absorption and color variations. At the same time, receptor 1 also caused the perturbation of redox potential after addition 1 equiv. of Cu2+ ion. Therefore, receptors 1 and 2 behaved as naked-eye chemosensors and fluorescent probes for Cu2+ without interference by other ions and with low detection limit. In addition, receptor 1 could also be considered electrochemical sensor for Cu2+ having excellent sensitivity and selectivity. However, increasing the molecules flexibility resulted in the lower selectivity of ion recognition in the case of receptors 3 (C24H21FeN3O) and 4 (C23H20FeN4O). Furthermore, this series of compounds were nontoxicity and receptor 1 exhibited certain antibacterial activity.
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Affiliation(s)
- Jianwei Xu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Yongqiang Yang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Huricha Baigude
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China
| | - Haiying Zhao
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, PR China; Inner Mongolia Key Laboratory of Fine Organic Synthesis, Hohhot 010021, PR China.
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37
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Song J, Liu H, Lei M, Tan H, Chen Z, Antoshin A, Payne GF, Qu X, Liu C. Redox-Channeling Polydopamine-Ferrocene (PDA-Fc) Coating To Confer Context-Dependent and Photothermal Antimicrobial Activities. ACS Appl Mater Interfaces 2020; 12:8915-8928. [PMID: 31971763 DOI: 10.1021/acsami.9b22339] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Microbial disinfection associated with medical device surfaces has been an increasing need, and surface modification strategies such as antibacterial coatings have gained great interest. Here, we report the development of polydopamine-ferrocene (PDA-Fc)-functionalized TiO2 nanorods (Ti-Nd-PDA-Fc) as a context-dependent antibacterial system on implant to combat bacterial infection and hinder biofilm formation. In this work, two synergistic antimicrobial mechanisms of the PDA-Fc coating are proposed. First, the PDA-Fc coating is redox-active and can be locally activated to release antibacterial reactive oxygen species (ROS), especially ·OH in response to the acidic microenvironment induced by bacteria colonization and host immune responses. The results demonstrate that redox-based antimicrobial activity of Ti-Nd-PDA-Fc offers antibacterial efficacy of over 95 and 92% against methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli (E. coli), respectively. Second, the photothermal effect of PDA can enhance the antibacterial capability upon near-infrared (NIR) irradiation, with over 99% killing efficacy against MRSA and E. coli, and even suppress the formation of biofilm through both localized hyperthermia and enhanced ·OH generation. Additionally, Ti-Nd-PDA-Fc is biocompatible when tested with model pre-osteoblast MC-3T3 E1 cells and promotes cell adhesion and spreading presumably due to its nanotopographical features. The MRSA-infected wound model also indicates that Ti-Nd-PDA-Fc with NIR irradiation can effectively eliminate bacterial infection and suppress host inflammatory responses. We believe that this study demonstrates a simple means to create biocompatible redox-active coatings that confer context-dependent antibacterial activities to implant surfaces.
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Affiliation(s)
- Jialin Song
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Huan Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Miao Lei
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Haoqi Tan
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Zhanyi Chen
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Artem Antoshin
- Institute for Regenerative Medicine , Sechenov University , 8-2 Trubetskaya Street , Moscow 119991 , Russia
| | - Gregory F Payne
- Department of Bioengineering , Institute for Biosystems and Biotechnology Research and Fischell , 5115 Plant Sciences Building, College Park , Maryland 20742 , United States
| | - Xue Qu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Engineering Research Centre for Biomedical Materials of Ministry of Education, School of Material Science and Engineering , East China University of Science and Technology , Shanghai 200237 , China
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Wang C, Zhao P, Jiang D, Yang G, Xue Y, Tang Z, Zhang M, Wang H, Jiang X, Wu Y, Liu Y, Zhang W, Bu W. In Situ Catalytic Reaction for Solving the Aggregation of Hydrophobic Photosensitizers in Tumor. ACS Appl Mater Interfaces 2020; 12:5624-5632. [PMID: 31918542 DOI: 10.1021/acsami.9b21589] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The aggregation of hydrophobic photosensitizers limits the therapeutic effect of photodynamic therapy (PDT). Improving the hydrophilicity of photosensitizers can reduce their aggregation for enhancing PDT. Herein, a nanosystem (TPFcNP) is developed by a hydrophobic photosensitizer 5,10,15,20-tetrakis(4-methacryloyloxyphenyl)porphyrin (TMPP) containing multiple carbon-carbon double bonds and a ferrocene-containing amphiphilic block copolymer (PEG-b-PMAEFc), which catalyzes hydrogen peroxide (H2O2) to produce hydroxyl radicals (•OH) in a tumor microenvironment by the Fenton reaction. The •OH could catalyze the addition reaction between the carbon-carbon double bonds of TMPP and overexpressed water-soluble glutathione (GSH) in tumor cells, which greatly improves the hydrophilicity of photosensitizers and reduces their aggregation. Experiments in vitro and in vivo have proved that this strategy significantly enhances the therapeutic efficacy of PDT. Catalyzing intracellular reactions in situ by making use of the tumor microenvironment will open up a new opportunity to solve the aggregation of materials in the tumor for cancer treatment.
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Affiliation(s)
- Chaochao Wang
- Shanghai Key Laboratory of Functional Materials Chemistry , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Peiran Zhao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering , East China Normal University , Shanghai 200062 , P. R. China
| | - Dawei Jiang
- Shanghai Key Laboratory of Functional Materials Chemistry , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Guoliang Yang
- Shanghai Key Laboratory of Functional Materials Chemistry , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Yudong Xue
- Shanghai Key Laboratory of Functional Materials Chemistry , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Zhongmin Tang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China
| | - Meng Zhang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China
| | - Han Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China
| | - Xingwu Jiang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital , Tongji University School of Medicine , Shanghai 200072 , P. R. China
| | - Yelin Wu
- Tongji University Cancer Center, Shanghai Tenth People's Hospital , Tongji University School of Medicine , Shanghai 200072 , P. R. China
| | - Yanyan Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering , East China Normal University , Shanghai 200062 , P. R. China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Wenbo Bu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering , East China Normal University , Shanghai 200062 , P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China
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Turrin CO, Manoury E, Caminade AM. Ferrocenyl Phosphorhydrazone Dendrimers Synthesis, and Electrochemical and Catalytic Properties. Molecules 2020; 25:E447. [PMID: 31973221 PMCID: PMC7038025 DOI: 10.3390/molecules25030447] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/17/2020] [Accepted: 01/19/2020] [Indexed: 11/22/2022] Open
Abstract
The discovery of ferrocene is often associated with the rapid growth of organometallic chemistry. Dendrimers are highly branched macromolecules that can be functionalized at will at all levels of their structure. The functionalization of dendrimers with ferrocene derivatives can be carried out easily as terminal functions on the surface, but also at the core, or at one or several layers inside the structure. This review will focus on phosphorhydrazone dendrimers functionalized with ferrocene derivatives, on the surface, at the core, at all layers or within a single layer inside the structure. The first part will describe the synthesis; the second part will concern the electrochemical properties; and the last part will give several examples concerning catalysis, with complexes of ferrocenyl phosphines used as terminal functions of dendrimers.
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Affiliation(s)
- Cédric-Olivier Turrin
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse CEDEX 4, France; (C.-O.T.); (E.M.)
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Eric Manoury
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse CEDEX 4, France; (C.-O.T.); (E.M.)
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Anne-Marie Caminade
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse CEDEX 4, France; (C.-O.T.); (E.M.)
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
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Xiao F, Li H, Yan X, Yan L, Zhang X, Wang M, Qian C, Wang Y. Graphitic carbon nitride/graphene oxide(g-C 3N 4/GO) nanocomposites covalently linked with ferrocene containing dendrimer for ultrasensitive detection of pesticide. Anal Chim Acta 2019; 1103:84-96. [PMID: 32081192 DOI: 10.1016/j.aca.2019.12.066] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 12/18/2019] [Accepted: 12/23/2019] [Indexed: 12/23/2022]
Abstract
We report herein the design of a novel electrochemical sensing strategy for sensitive detection of pesticide based on graphitic carbon nitride (g-C3N4)/graphene oxide(GO) nanocomposite covalently bound to a ferrocene containing dendrimer(Fc-TED). The g-C3N4 with sufficient N atoms for providing lone pairs of electrons to an electron acceptor so as to enhance the adsorption towards organic molecules. The Fc-TED dendrimers with the native redox signaling center (Fe3+/Fe2+) can increase the electron transition of g-C3N4 from valence to conduction band. While GO can accelerate the electron transfer from g-C3N4 surface and Fc-TED to glassy carbon electrode(GCE), which would amplify the electrochemical signal of g-C3N4/GO/Fc-TED/GCE sensor and then improve the sensing performance. It is found that the fabricated electrode demonstrated an admirable electrochemical sensing performance towards metolcarb in terms of low detection limit (8.3 nM), wide concentration range (0.045-213 μM) and rapid response time (2s). The proposed sensor can selectively detect the metolcarb and easily discriminated metolcarb from the possible interfering species. The practical applicability of the sensor was successfully evaluated in real vegetable sample and achieved satisfactory recoveries with good precision and accuracy.
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Affiliation(s)
- Fengjuan Xiao
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China.
| | - Hongli Li
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Xinrui Yan
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Lu Yan
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Xuefei Zhang
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Meng Wang
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Cheng Qian
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
| | - Yiqi Wang
- School of Material Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering Materials, Shijiazhuang Tiedao University, No. 17 North 2nd-Ring East Road, Shijiazhuang, Hebei, China
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Zhu C, Liu D, Li Y, Shen X, Ma S, Liu Y, You T. Ratiometric electrochemical aptasensor for ultrasensitive detection of Ochratoxin A based on a dual signal amplification strategy: Engineering the binding of methylene blue to DNA. Biosens Bioelectron 2019; 150:111814. [PMID: 31740254 DOI: 10.1016/j.bios.2019.111814] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/21/2019] [Accepted: 10/22/2019] [Indexed: 12/23/2022]
Abstract
A novel ratiometric electrochemical aptasensor was developed for Ochratoxin A (OTA) detection based on the binding of methylene blue (MB) to DNA with a dual signal amplification strategy. The formation of dsDNA structures between ferrocene-labeled complementary DNA (Fc-cDNA), the OTA aptamer, and complementary helper DNA (hDNA) caused Fc away from the electrode, and allowed dsDNA to bind with a certain amount of MB. Here, a small oxidation current of Fc (IFc) and a large oxidation current of MB (IMB) were obtained. In the presence of OTA, its specific recognition with the aptamer induced the release of aptamer and hDNA from the electrode and subsequently the formation of hairpin structure for cDNA, which caused Fc close to the electrode and a weaker binding ability with MB. Then, an increased IFc and a decreased IMB were obtained. Based on this principle, OTA could be accurately quantified by measuring the ratiometric signal of IFc/IMB. Herein, the dual signal amplification strategy of the introduction of hDNA and the binding with MB after the OTA recognition was exploited to amplify the response signal. The obtained aptasensor showed a linear detection range from 10 pg mL-1 to 10 ng mL-1 and a detection limit of 3.3 pg mL-1. The aptasensor was successfully applied to determine OTA in wheat, and the results were validated through HPLC-MS. Furthermore, by changing the target aptamers, this strategy could be universally used for the determination of various mycotoxins, showing promising potential applications for mycotoxins monitoring in agricultural products and foods.
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Affiliation(s)
- Chengxi Zhu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Dong Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Yuye Li
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Xiuli Shen
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Shuai Ma
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Yang Liu
- College of Science and Engineering, James Cook University, Townsville, Queensland, 4811, Australia
| | - Tianyan You
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, High-tech Key Laboratory of Agricultural Equipment & Intelligentization of Jiangsu Province, School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, 212013, China.
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42
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Abstract
Malaria and cancer are chronic diseases. The challenge with drugs available for the treatment of these diseases is drug toxicity and resistance. Ferrocene is a potent organometallic which have been hybridized with other compounds resulting in compounds with enhanced biological activity such as antimalarial and anticancer. Drugs such as ferroquine were developed from ferrocene and chloroquine. It was tested in the 1990s as an antimalarial and is still an effective antimalarial. Many researchers have reported ferrocene compounds as potent compounds useful as anticancer and antimalarial agents when hybridized with other pharmaceutical scaffolds. This review will be focused on compounds with ferrocene moieties that exhibit either an anticancer or antimalarial activity.
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Affiliation(s)
- Sijongesonke Peter
- Department of Chemistry, University of Fort Hare, Alice campus, Eastern Cape 5700, South Africa.
| | - Blessing Atim Aderibigbe
- Department of Chemistry, University of Fort Hare, Alice campus, Eastern Cape 5700, South Africa.
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Nazari M, Kashanian S, Rafipour R, Omidfar K. Biosensor design using an electroactive label-based aptamer to detect bisphenol A in serum samples. J Biosci 2019; 44:105. [PMID: 31502582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A new and simple procedure was applied to detect bisphenol A (BPA) based on a BPA aptamer and its complementary strand (Comp. Str.). An electrode was modified with a mixture of carboxylated multiwalled carbon nanotubes and chitosan. The Comp. Str. was immobilized on a modified-glassy carbon electrode (GCE) surface via covalent binding. After the incubation of the aptamer with the electrode surface, it could interact with the Comp. Str. In the presence of BPA, its aptamer will interact with the analyte, resulting in some changes in the configuration and leading to separation from the electrode surface. Due to the attached ferrocene (Fc) group on the 50 head of the aptamer, the redox current of Fc has reduced. This aptasensor can sense the level of BPA in the linear range of 0.2-2 nM, with a limit of detection of 0.38 nM and a sensitivity of 24.51 lA/μM. The proposed aptasensor showed great reliability and selectivity. The acceptable selectivity is due to the specificity of BPA binding to its aptamer. The serum sample was used as a real sample; the aptasensor was able to effectively recover the spiked BPA amounts. It can on-site monitor the BPA in serum samples with acceptable recoveries.
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Affiliation(s)
- Maryam Nazari
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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44
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Lei HX, Niu CC, Li T, Wan YF, Liang WB, Yuan R, Liao P. A Novel Electrochemiluminescent Immunoassay Based on Target Transformation Assisted with Catalyzed Hairpin Assembly Amplification for the Ultrasensitive Bioassay. ACS Appl Mater Interfaces 2019; 11:31427-31433. [PMID: 31365231 DOI: 10.1021/acsami.9b12428] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this work, we constructed a novel electrochemiluminescent (ECL) strategy based on sandwich immunoassay-induced target transformation assisted with catalyzed hairpin assembly (CHA) amplification for ultrasensitive bioassay with cysteine-rich protein 61 (CCN1) as a model. First, the target CCN1 could be equally transformed into the specific oligonucleotide (initiator I) labeled on the detection antibody based on the specific sandwich immunoassay. In addition, the initiator I triggered an efficient nonenzymatic CHA amplification in the presence of ferrocene-labeled hairpin 1 (Fc-H1) and hairpin 2 (H2) to produce massive hybrids (Fc-H1-H2) containing a sticky end labeled with ferrocene. Finally, Fc-H1-H2 could be immobilized on the capture probe single-stranded DNA (ssDNA)-modified electrode through the hybridization between the sticky end of Fc-H1-H2 and ssDNA, and a significantly quenched ECL signal could be obtained due to the efficient quench effect between ferrocene and the ECL indicator, ruthenium(II) tris(4,4'-dicarboxylicacid-2,2'-bipyridyl) [Ru(dcbpy)32+], immobilized on the surface of the electrode, which was related to the concentration of target CCN1. As expected, the proposed ECL biosensor exhibited a relatively low detection limit of 3.9 fg/mL in a linear range from 10 fg/mL to 100 ng/mL. This ECL strategy inspired the clinical examination of the biomarker CCN1, providing potential application in early diagnosis and malignant monitoring of cancer.
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Affiliation(s)
- Hu-Xin Lei
- Department of Laboratory Medicine , Chongqing General Hospital , Chongqing 400014 , China
| | - Chang-Chun Niu
- Department of Laboratory Medicine , Chongqing General Hospital , Chongqing 400014 , China
| | - Tian Li
- Department of Laboratory Medicine , Chongqing General Hospital , Chongqing 400014 , China
| | - Ya-Fang Wan
- Department of Laboratory Medicine , Chongqing General Hospital , Chongqing 400014 , China
| | - Wen-Bin Liang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Pu Liao
- Department of Laboratory Medicine , Chongqing General Hospital , Chongqing 400014 , China
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45
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Chen Z, Xie Y, Huang W, Qin C, Yu A, Lai G. Exonuclease-assisted target recycling for ultrasensitive electrochemical detection of microRNA at vertically aligned carbon nanotubes. Nanoscale 2019; 11:11262-11269. [PMID: 31162522 DOI: 10.1039/c9nr02543j] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
As an important biomarker for early disease diagnosis, microRNA-21 (miRNA-21) has attracted considerable attention owing to its accurate detection. Herein we combine the one-step biorecognition reaction at a vertically aligned nanostructure-based biosensor with the T7 exonuclease (Exo)-assisted target recycling to develop a novel electrochemical bioassay method for miRNA-21 detection. The vertically aligned nanointerface is constructed through the covalent attachment of terminally carboxylated single-walled carbon nanotubes (SWCNTs) at an aryldiazonium salt-modified electrode, which enables the noncovalent adsorption of a ferrocene-labeled single-stranded signal DNA to obtain the biosensor. Upon its incubation with a target miRNA-21 solution, DNA/RNA hybridized duplexes will form and release from the electrode surface, leading to the corresponding electrochemical signal decrease of the biosensor. Moreover, this biorecognition reaction can also trigger the T7 Exo-assisted target recycling to achieve great signal amplification. Together with the highly efficient biorecognition and excellent electron transfer promotion at the vertically aligned SWCNTs, this biosensor exhibits a wide linear range varying from 0.01 to 100 pM and a low detection limit down to 3.5 fM. Considering its obvious performance superiority and convenient manipulations, this vertically aligned SWCNT-based electrochemical biosensing method has extensive potential for practical applications.
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Affiliation(s)
- Zhichao Chen
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China.
| | - Yiming Xie
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China.
| | - Wan Huang
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China.
| | - Chuanying Qin
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China.
| | - Aimin Yu
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China. and Department of Chemistry and Biotechnology, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn VIC 3122, Australia
| | - Guosong Lai
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Department of Chemistry, Hubei Normal University, Huangshi 435002, PR China.
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Kong J, Wang Y, Qi W, Su R, He Z. Photo- and Aromatic Stacking-Induced Green Emissive Peptidyl Nanoparticles for Cell Imaging and Monitoring of Nucleic Acid Delivery. ACS Appl Mater Interfaces 2019; 11:15401-15410. [PMID: 30966742 DOI: 10.1021/acsami.9b03945] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Owing to their potential applications in biomedicine and biotechnology, peptide nanostructures that exhibit stable intrinsic fluorescence in the visible range are highly desired. This research proposes a facile strategy to construct peptidyl virus-like nanoparticles (NVPs) that show green luminescence by coassembly of two bioactive ferrocene-diphenylalanine-based (Fc-FF) peptides. The green fluorescence of NVPs was originated from the highly ordered structures assembled by the amphiphilic Fc-FF-based peptides via strong π-π stacking interactions. In the assemblies, Fc-FF chromophore can be hydrolyzed under the natural light irradiation, which eliminates the fluorophore quenching effect of Fc and increases the aromatic stacking interactions, thereby giving rise to strong fluorescent nanoparticles. The NVPs could cross cytomembrane barriers by virtue of the HIV V3 peptide and the nuclear localization signal, and could thus be used for long-term cell imaging with excellent photostability and biocompatibility in physiological condition. In addition, NVPs could package DNA and be used to monitor the delivery of DNA, indicating great potential in the tracking and monitoring of genetic biological processes.
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Affiliation(s)
- Jia Kong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , P. R. China
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin University , Tianjin 300072 , P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin University , Tianjin 300072 , P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin University , Tianjin 300072 , P. R. China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , P. R. China
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47
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Naef R. Calculation of the Isobaric Heat Capacities of the Liquid and Solid Phase of Organic Compounds at and around 298.15 K Based on Their "True" Molecular Volume. Molecules 2019; 24:E1626. [PMID: 31022983 PMCID: PMC6514989 DOI: 10.3390/molecules24081626] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/19/2019] [Accepted: 04/20/2019] [Indexed: 11/16/2022] Open
Abstract
A universally applicable method for the prediction of the isobaric heat capacities of the liquid and solid phase of molecules at 298.15 K is presented, derived from their "true" volume. The molecules' "true" volume in A3 is calculated on the basis of their geometry-optimized structure and the Van-der-Waals radii of their constituting atoms by means of a fast numerical algorithm. Good linear correlations of the "true" volume of a large number of compounds encompassing all classes and sizes with their experimental liquid and solid heat capacities over a large range have been found, although noticeably distorted by intermolecular hydrogen-bond effects. To account for these effects, the total amount of 1303 compounds with known experimental liquid heat capacities has been subdivided into three subsets consisting of 1102 hydroxy-group-free compounds, 164 monoalcohols/monoacids, and 36 polyalcohols/polyacids. The standard deviations for Cp(liq,298) were 20.7 J/mol/K for the OH-free compunds, 22.91 J/mol/K for the monoalcohols/monoacids and 16.03 J/mol/K for the polyols/polyacids. Analogously, 797 compounds with known solid heat capacities have been separated into a subset of 555 OH-free compounds, 123 monoalcohols/monoacids and 119 polyols/polyacids. The standard deviations for Cp(sol,298) were calculated to 23.14 J/mol/K for the first, 21.62 J/mol/K for the second, and 19.75 J/mol/K for the last subset. A discussion of structural and intermolecular effects influencing the heat capacities as well as of some special classes, in particular hydrocarbons, ionic liquids, siloxanes and metallocenes, has been given. In addition, the present method has successfully been extended to enable the prediction of the temperature dependence of the solid and liquid heat capacities in the range between 250 and 350 K.
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Affiliation(s)
- Rudolf Naef
- Department of Chemistry, University of Basel, 4003 Basel, Switzerland.
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48
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Odette WL, Payne NA, Khaliullin RZ, Mauzeroll J. Redox-Triggered Disassembly of Nanosized Liposomes Containing Ferrocene-Appended Amphiphiles. Langmuir 2019; 35:5608-5616. [PMID: 30916976 DOI: 10.1021/acs.langmuir.8b04267] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We report a redox-responsive liposomal system capable of oxidatively triggered disassembly. We describe the synthesis, electrochemical characterization, and incorporation into vesicles of an alternative redox lipid with significantly improved synthetic efficiency and scalability compared to a ferrocene-appended phospholipid previously employed by our group in giant vesicles. The redox-triggered disassembly of both redox lipids is examined in nanosized liposomes as well as the influence of cholesterol mole fraction on liposome disassembly and suitability of various chemical oxidants for in vitro disassembly experiments. Electronic structure density functional theory calculations of membrane-embedded ferrocenes are provided to characterize the role of charge redistribution in the initial stages of the disassembly process.
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Affiliation(s)
- William L Odette
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montreal , Quebec H3A OB8 , Canada
| | - Nicholas A Payne
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montreal , Quebec H3A OB8 , Canada
| | - Rustam Z Khaliullin
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montreal , Quebec H3A OB8 , Canada
| | - Janine Mauzeroll
- Department of Chemistry , McGill University , 801 Sherbrooke Street West , Montreal , Quebec H3A OB8 , Canada
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49
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Qin J, Cho M, Lee Y. Ferrocene-Encapsulated Zn Zeolitic Imidazole Framework (ZIF-8) for Optical and Electrochemical Sensing of Amyloid-β Oligomers and for the Early Diagnosis of Alzheimer's Disease. ACS Appl Mater Interfaces 2019; 11:11743-11748. [PMID: 30843389 DOI: 10.1021/acsami.8b21425] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this work, the ferrocene-encapsulated Zn zeolitic imidazole framework (ZIF-8) was prepared by the self-assembly of Zn ions and 2-methylimidazole and used for the dual detection of amyloid-beta oligomers (AβO), which is the main neuropathological hallmark of Alzheimer's disease. Ferrocene is an optically and electrochemically active signal which was successfully encapsulated inside of the ZIF-8 and released by the competitive coordination between Zn ions and AβO after being treated with AβO. The released ferrocene content was monitored by ultraviolet/visible spectrophotometry and cyclic voltammetry. The dual determination of AβO played a synergetic role in the quick qualitative and precise quantitative analyses in a wide detection range of 10-5 to 102 μM and good feasibility in artificial cerebrospinal fluid.
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Affiliation(s)
- Jieling Qin
- School of Chemical Engineering , Sungkyunkwan University , 16419 Suwon , Korea
| | - Misuk Cho
- School of Chemical Engineering , Sungkyunkwan University , 16419 Suwon , Korea
| | - Youngkwan Lee
- School of Chemical Engineering , Sungkyunkwan University , 16419 Suwon , Korea
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50
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Zhang L, Abdullah R, Hu X, Bai H, Fan H, He L, Liang H, Zou J, Liu Y, Sun Y, Zhang X, Tan W. Engineering of Bioinspired, Size-Controllable, Self-Degradable Cancer-Targeting DNA Nanoflowers via the Incorporation of an Artificial Sandwich Base. J Am Chem Soc 2019; 141:4282-4290. [PMID: 30730715 PMCID: PMC6625512 DOI: 10.1021/jacs.8b10795] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this article, we used an artificial DNA base to manipulate the formation of DNA nanoflowers (NFs) to easily control their sizes and functionalities. Nanoflowers have been reported as the noncanonical self-assembly of multifunctional DNA nanostructures, assembled from long DNA building blocks generated by rolling circle replication (RCR). They could be incorporated with myriad functional moieties. However, the efficacy of these DNA NFs as potential nanocarriers delivering cargo in biomedicine is limited by the bioavailability and therapeutic efficacy of their cargo. Here we report the incorporation of metal-containing artificial analogues into DNA strands to control the size and the functions of NFs. We have engineered bioinspired, size-controllable, self-degradable cancer-targeting DNA nanoflowers (Sgc8-NFs-Fc) via the incorporation of an artificial sandwich base. More specifically, the introduction of a ferrocene base not only resulted in the size controllability of Sgc8-NFs-Fc from 1000 to 50 nm but also endowed Sgc8-NFs-Fc with self-degradability in the presence of H2O2 via Fenton's reaction. In vitro experiments confirmed that Sgc8-NFs-Fc/Dox could be selectively taken up by protein tyrosine kinase 7 (PTK7)-positive cancer cells and subsequently cleaved via Fenton's reaction, resulting in rapid release kinetics, nuclear accumulation, and enhanced cytotoxicity of their cargo. In vivo experiments further confirmed that Sgc8-NFs-Fc has good tumor-targeting ability and could significantly improve the therapeutic efficacy of doxorubicin in a xenograft tumor model. On the basis of their tunable size and on-demand drug release kinetics upon H2O2 stimulation, the Sgc8-NFs-Fc nanocarriers possess promising potential in drug delivery.
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Affiliation(s)
- Lili Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Razack Abdullah
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
- Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoxiao Hu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Huarong Bai
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Huanhuan Fan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Lei He
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Hao Liang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Jianmei Zou
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Yanlan Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Yang Sun
- Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaobing Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Life Sciences, and Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
- Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
- Department of Chemistry and Department of Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Health Cancer Center, UF Genetics Institute and McKnight Brain Institute, University of Florida, Gainesville, Florida 32611-7200, United States
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