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Mohammed Ameen SS, Qasim FO, Alhasan HS, Hama Aziz KH, Omer KM. Intrinsic Dual-State Emission Zinc-Based MOF Rodlike Nanostructures with Applications in Smartphone Readout Visual-Based Detection for Tetracycline: MOF-Based Color Tonality. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46098-46107. [PMID: 37733947 DOI: 10.1021/acsami.3c11950] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Dual-state emitters (DSEs) are entities that exhibit fluorescence in both the solution and solid state, which open up a wide range of possibilities for their utilization in various fields. The development of detection platforms using intrinsic luminescent metal-organic frameworks (LMOFs) is highly desirable for a variety of applications. DSE MOFs as a subclass of intrinsic LMOFs are highly attractive due to no need for encapsulation/functionalization by fluorophores and/or using luminescent linkers. Herein, a highly stable intrinsic dual-state blue emission (λem = 425 nm) zinc-based MOF with rodlike nanostructures (denoted as UoZ-2) was synthesized and characterized. To the best of our knowledge, intrinsic DSE of Zn-MOFs with blue emission in the dispersed form in solution and solid-state fluorescence have not been reported yet. When tetracycline (TC) was added, a continuous color evolution from blue to greenish-yellow with dramatic enhancement was observed due to aggregation induced emission (AIE). Thus, a sensitive ratiometry-based visual detection platform, in solution and on paper independently, was designed for detection of TC exploiting the DSE and AIE properties of UoZ-2 alone and UoZ-2:TC. The detection limit was estimated to be 4.5 nM, which is considered to be one of the most sensitive ratiometric fluorescent probes for TC sensing. The ratiometry paper-based UoZ-2 sensor displays a reliable TC quantitative analysis by recognizing RGB values in the on-site TC detection with satisfactory recoveries.
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Affiliation(s)
- Sameera Sh Mohammed Ameen
- Department of Chemistry, Faculty of Science, University of Zakho, Zakho 42002, Kurdistan Region, Iraq
| | - Faroq Omer Qasim
- Department of Horticulture, Technical College of Akre, Duhok Polytechnic University, Duhok 42001, Kurdistan Regin, Iraq
- Department of Horticulture, Technical College of Akre, Akre University for Applied Sciences, 42001, Kurdistan Region, Iraq
| | - Huda S Alhasan
- Environmental Research and Studies Center, University of Babylon, Hilla 51002, Iraq
| | - Kosar H Hama Aziz
- Department of Medical Laboratory of Science, College of Health Sciences, University of Human Development, Sulaimaniyah 46001, Iraq
| | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan Street, 46002 Sulaimani City, Kurdistan Region, Iraq
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2
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Santhoshkumar S, Madhu M, Tseng WB, Tseng WL. Gold nanocluster-based fluorescent sensors for in vitro and in vivo ratiometric imaging of biomolecules. Phys Chem Chem Phys 2023; 25:21787-21801. [PMID: 37577965 DOI: 10.1039/d3cp02714g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Gold nanoclusters (AuNCs) are promising nanomaterials for ratiometric fluorescent probes due to their tunable fluorescence wavelengths dependent on size and structure, as well as their biocompatibility and resistance to photobleaching. By incorporating an additional fluorescence spectral peak, dual-emission AuNC-based fluorescent probes have been developed to enhance the signal output reproducibility. These probes can be fabricated by integrating various luminescent nanomaterials with AuNCs. This review focuses on the preparation methods and applications of ratiometric fluorescent probes derived from AuNCs and other fluorescent nanomaterials or fluorescent dyes for both in vitro and in vivo bioimaging of target analytes. Additionally, the review delves into the sensing mechanisms of AuNC-based ratiometric probes, their synthetic strategies, and the challenges encountered when using AuNCs for ratiometric bioimaging. Moreover, we explore the application of protein-stabilized AuNCs and thiolate-capped AuNC-based ratiometric fluorescent probes for biosensing and bioimaging. Two primary methods for assembling AuNCs and fluorophores into ratiometric fluorescent probes are discussed: triggered assembly and self-assembly. Finally, we address the challenges and issues associated with ratiometric bioimaging using AuNCs and propose future directions for further advancing AuNCs as ratiometric imaging agents.
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Affiliation(s)
- S Santhoshkumar
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Manivannan Madhu
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Wei-Bin Tseng
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Department of Environmental Engineering, Da-Yeh University, No. 168, University Rd., Dacun, Changhua 515006, Taiwan.
| | - Wei-Lung Tseng
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, No. 100, Shiquan 1st Road, Sanmin District, Kaohsiung 80708, Taiwan
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3
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Bujor A, Hanganu A, Baratoiu R, Hristea EN, Tudose M, Tecuceanu V, Madalan AM, Ionita P. Novel Derivatives of Nitrobenzofurazan with Chromogenic and Fluorogenic Properties. Molecules 2023; 28:6146. [PMID: 37630398 PMCID: PMC10459551 DOI: 10.3390/molecules28166146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
Five new derivatives were obtained utilizing 4-chloro-7-nitrobenzofurazan (NBD-chloride) in combination with furfurylamine, adamantylamine, aminohippuric acid, phenylalanine, and dehydroabietylamine. These derivatives were then subjected to a comparative analysis of their physical, chemical, and certain biological properties alongside two analogous and known compounds derived from the glycine and 4-amino-TEMPO free radical.
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Affiliation(s)
- Alexandru Bujor
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90 Panduri, 050663 Bucharest, Romania; (A.B.); (A.H.); (A.M.M.)
| | - Anamaria Hanganu
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90 Panduri, 050663 Bucharest, Romania; (A.B.); (A.H.); (A.M.M.)
- Institute of Organic and Supramolecular Chemistry, Spl. Independentei 202B, 060023 Bucharest, Romania;
| | - Rodica Baratoiu
- Institute of Physical Chemistry, Spl. Independentei 202, 060023 Bucharest, Romania; (R.B.); (E.N.H.); (M.T.)
| | - Elena N. Hristea
- Institute of Physical Chemistry, Spl. Independentei 202, 060023 Bucharest, Romania; (R.B.); (E.N.H.); (M.T.)
| | - Madalina Tudose
- Institute of Physical Chemistry, Spl. Independentei 202, 060023 Bucharest, Romania; (R.B.); (E.N.H.); (M.T.)
| | - Victorita Tecuceanu
- Institute of Organic and Supramolecular Chemistry, Spl. Independentei 202B, 060023 Bucharest, Romania;
| | - Augustin M. Madalan
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90 Panduri, 050663 Bucharest, Romania; (A.B.); (A.H.); (A.M.M.)
| | - Petre Ionita
- Department of Inorganic, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90 Panduri, 050663 Bucharest, Romania; (A.B.); (A.H.); (A.M.M.)
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Shahrashoob M, Hosseinkhani S, Jafary H, Hosseini M, Molaabasi F. Dual-emissive phenylalanine dehydrogenase-templated gold nanoclusters as a new highly sensitive label-free ratiometric fluorescent probe: heavy metal ions and thiols measurement with live-cell imaging. RSC Adv 2023; 13:21655-21666. [PMID: 37476045 PMCID: PMC10354591 DOI: 10.1039/d3ra03179a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 06/20/2023] [Indexed: 07/22/2023] Open
Abstract
Phenylalanine dehydrogenase (PheDH) has been proposed as an ideal protein scaffold for the one-step and green synthesis of highly efficient multifunctional gold nanoclusters. The PheDH-stabilized fluorescent gold nanoclusters (PheDH-AuNCs) with dual emission/single excitation exhibited excellent and long-term stability, high water solubility, large Stokes shift and intense photoluminescence. Selectivity studies demonstrated that the red fluorescence emission intensity of PheDH-AuNCs was obviously decreased in less than 10 min by the addition of mercury, copper, cysteine or glutathione under the single excitation at 360 nm, without significant change in the blue emission of the PheDH-AuNCs. Therefore, the as-prepared PheDH-AuNCs as a new excellent fluorescent probe were successfully employed to develop a simple, rapid, low cost, label- and surface modification-free nanoplatform for the ultrasensitive and selective detection of Hg2+, Cu2+, Cys and GSH through a ratiometric fluorescence system with wide linear ranges and detection limits of 1.6, 2.4, 160 and 350 nM, respectively which were lower than previous reports. In addition, the results showed that PheDH-AuNCs can be used for the detection of toxic heavy metal ions and small biomarker thiols in biological and aqueous samples with acceptable recoveries. Interestingly, PheDH-AuNCs also displayed a promising potential for live-cell imaging due to their low toxicity and great chemical- and photo-stability.
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Affiliation(s)
- Mahsa Shahrashoob
- Department of Biology, Science and Research Branch, Islamic Azad University Tehran Iran
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University Tehran Iran
| | - Hanieh Jafary
- Department of Biology, Science and Research Branch, Islamic Azad University Tehran Iran
| | - Morteza Hosseini
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran Tehran Iran
| | - Fatemeh Molaabasi
- Department of Interdisciplinary Technologies, Breast Cancer Research Center, Biomaterials and Tissue Engineering Research Group, Motamed Cancer Institute, ACECR Tehran Iran
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Mohammed Ameen SS, Sher Mohammed NM, Omer KM. Ultra-small highly fluorescent zinc-based metal organic framework nanodots for ratiometric visual sensing of tetracycline based on aggregation induced emission. Talanta 2023; 254:124178. [PMID: 36549132 DOI: 10.1016/j.talanta.2022.124178] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/19/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Color tonality by intrinsic fluorescent metal-organic frameworks (MOFs) is highly desirable in bioanalytical applications due to its stability, low-cost and robustness with no need for functionalization and/or encapsulation of fluorophores. In the present work, ultra-small and higly fluorescent zinc-based MOFs (FMOF-5) were synthesized. The prepared FMOFs were around 5 nm in size, and gave strong blue emission at 440 nm when excited at 350 nm. Interestingly, tetracycline (TC) selectively tuned the blue emission of FMOF-5 to greenish-yellow emission (520 nm) with dramatic enhancement through aggregation induced emission (AIE). The fluorimetric analysis of TC was carried out through the ratiometric peak intensities of F520/F440, with detection limit (LOD) of 5 nM. To realize quantitative point-of-care based on color tonality, a smartphone integrated with the ratiometric visual platform was thereby design. Hence, TC was visually detected with LOD of 10 nM. The prepared FMOF-5-based probe showed high stability (3 months) and reusability (∼10 times). The developed visual-based platform presents great promise for practical point of care testing due to its low-cost, robustness, ruggedness, simple operation, and excellent selectivity and repeatability.
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Affiliation(s)
| | - Nidhal M Sher Mohammed
- Department of Chemistry, Faculty of Science, University of Zakho, Kurdistan region, Iraq.
| | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St., 460002, Sulaimani City, Kurdistan region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St., 460002, Sulaimani City, Kurdistan region, Iraq.
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6
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Li S, Wan Y, Li Y, Liu J, Pi F, Liu L. A Competitive "On-Off-Enhanced On" AIE Fluorescence Switch for Detecting Biothiols Based on Hg 2+ Ions and Gold Nanoclusters. BIOSENSORS 2022; 13:35. [PMID: 36671870 PMCID: PMC9856123 DOI: 10.3390/bios13010035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 05/31/2023]
Abstract
In this study, a novel "on-off-enhanced on" approach to highly sensitive rapid sensing of biothiols was developed, based on competitive modulation of gold nanoclusters (AuNCs) and Hg2+ ions. In our approach, the AuNCs were encapsulated into a zeolite imidazole framework (ZIF) for predesigned competitive aggregation-induced luminescence (AIE) emission. To readily operate this approach, the Hg2+ ions were selected as mediators to quench the fluorescence of AuNCs. Then, due to the stronger affinities between the interactions of Hg2+ ions with -SH groups in comparison to the AuNCs with -SH groups, the quenched probe of AuNCs@ZIF-8/Hg2+ displayed enhanced fluorescence after the Hg2+ ions were competitively interacted with -SH groups. Based on enhanced fluorescence, the probe for AuNCs@ZIF-8/Hg2+ had a sensitive and specific response to trace amounts of biothiols. The developed fluorescence strategy had limit of quantification (LOQ) values of 1.0 μM and 1.5 μM for Cys and GSH molecules in serum, respectively. This competitive AIE strategy provided a new direction for developing biological probes and a promising method for quantifying trace amounts of biothiols in serum. It could promote progress in disease diagnosis.
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Affiliation(s)
- Shuqi Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Yuqi Wan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Yu Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Jinghan Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Fuwei Pi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Ling Liu
- Wuxi Institute of Technology, Wuxi 214122, China
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7
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Jiang Y, Chen X, Yang J, Chang LY, Chan TS, Liu H, Zhu X, Su J, Zhang H, Fan Y, Liu L. The synergetic effect of a gold nanocluster-calcium phosphate composite: enhanced photoluminescence intensity and superior bioactivity. Phys Chem Chem Phys 2022; 24:29034-29042. [PMID: 36427044 DOI: 10.1039/d2cp04222c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Gold nanoclusters (AuNCs) are a unique class of materials that exhibit visible luminescence. Amorphous calcium phosphate (ACP) is a widely used biomaterial for a variety of purposes, such as drug delivery, bone cementing, and implant coatings. In this study, a nanocomposite of AuNCs and ACP is prepared by biomimetic mineralization in a Dulbecco's modified Eagle's medium (DMEM). The strong interaction between AuNCs and Ca2+ ions effectively induces aggregation of AuNCs. The as-formed nanocomposite, AuNCs@ACP, emits significantly enhanced luminescence compared to AuNCs alone. The luminescence enhancement mechanism is investigated using synchrotron X-ray absorption fine structure spectroscopy. In addition, the presence of AuNCs stabilizes ACP and also enhances the biocompatibility of ACP in promoting cell proliferation, and the nanocomposites are promising as nanoprobes for cancer therapy and/or bone tissue engineering.
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Affiliation(s)
- Yingying Jiang
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China. .,Department of Orthopedic, Spinal Pain Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
| | - Xin Chen
- Department of Orthopedic, Spinal Pain Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
| | - Jingzhi Yang
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Lo-Yueh Chang
- National Synchrotron Radiation Research Centre, 101 Hsin-Ann Road, Hsinchu, 30076, Taiwan
| | - Ting-Shan Chan
- National Synchrotron Radiation Research Centre, 101 Hsin-Ann Road, Hsinchu, 30076, Taiwan
| | - Han Liu
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Xiaohui Zhu
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Jiacan Su
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Hao Zhang
- Musculoskeletal Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Yunshan Fan
- Department of Orthopedic, Spinal Pain Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
| | - Lijia Liu
- Department of Chemistry, Western University, 1151 Richmond Street, London, Ontario, N6A5B7, Canada.
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8
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Anantha Lakshmi B, Sangubotla R, Kim J, Kim YJ. Vinyl-functionalized polyphenolic-carbon dot-based fluorometric turn-off-on biosensor for the dual detection of mercury and cysteine and their in vivo sensing in zebrafish larvae. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 282:121685. [PMID: 35908500 DOI: 10.1016/j.saa.2022.121685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/11/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
The fluorometric turn-off-on biosensor was developed for the ultra-sensitive detection of mercury (Hg2+) and cysteine (Cys) utilizing the highly fluorescent carbon dots (CDs). Herein, the sophisticated low-temperature reflux-mediated reaction was adopted using precursors namely citric acid (CA) and polyphenolic kaempferol (KMP) by using dimethylformamide (DMF) as a solvent. The resulting CDs (i.e., CKCDs) were in the highly negative charged groups (-OH) presented with a bright-orange fluorescence. These CKCDs were functionalized with 4-vinylaniline (4-VA) by employing EDC/NHS coupling reaction, which switched its photoluminescence (PL) towards the strong-blue colored emission and termed as V-CKCDs. The functionalized V-CKCDs can be capable enough to detect mercury via the strong electrostatic interactions between positively charged Hg2+ cations and negatively charged anions (-OH groups). Hence, an adequate fluorescence quenching was observed in V-CKCDs with the lowest concentrations of Hg2+ around 0.5 μM. Significantly, after adding the complex of V-CKCDs-Hg2+ to the Cys, the fluorescence enhancement was observed. This might be attributed from the strong interactions between Hg2+ in the fluorescence sensing system and thiol (-SH) moieties from the Cys. The developed V-CKCDs are highly sensitive for detecting Hg2+ and Cys, which showed detection limits of 10.6 and 42. 48 nM, respectively. Also, the in vivo studies were investigated in zebrafish larvae using V-CKCDs for the detection of Hg2+ and Cys. The V-CKCDs were investigated in the real water samples and human serum to detect Hg2+ and Cys, respectively.
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Affiliation(s)
- Buddolla Anantha Lakshmi
- Department of Electronic Engineering, Gachon University, 1342 Seongnam-Daero, Seongnam, Gyeonggi-Do 13120, Republic of Korea
| | - Roopkumar Sangubotla
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam-Daero, Seongnam, Gyeonggi-Do 13120, Republic of Korea
| | - Jongsung Kim
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam-Daero, Seongnam, Gyeonggi-Do 13120, Republic of Korea
| | - Young-Joon Kim
- Department of Electronic Engineering, Gachon University, 1342 Seongnam-Daero, Seongnam, Gyeonggi-Do 13120, Republic of Korea.
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Sh. Mohammed Ameen S, Sher Mohammed NM, Omer KM. Visual monitoring of silver ions and cysteine using bi-ligand Eu-based metal organic framework as a reference signal: Color tonality. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107721] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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10
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Saleh SM, Almotiri MK, Ali R. Green synthesis of highly luminescent gold nanoclusters and their application in sensing Cu(II) and Hg(II). J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113719] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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11
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Liu Y, Zhang Y, Zhang W, Wang X, Sun Y, Huang Y, Ma P, Ding J, Song D. Ratiometric fluorescent sensor based on MoS 2 QDs and AuNCs for determination and bioimaging of alkaline phosphatase. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120087. [PMID: 34175753 DOI: 10.1016/j.saa.2021.120087] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/08/2021] [Accepted: 06/15/2021] [Indexed: 05/24/2023]
Abstract
Herein, a ratiometric fluorescent sensor based on MoS2 quantum dots (QDs) and glutathione-capped gold nanoclusters (AuNCs) was developed for determination and imaging of alkaline phosphatase (ALP). The sensor was developed by covalently linking QDs with AuNCs to form stable MoS2@AuNCs nanohybrids that exhibited the blue fluorescence of MoS2 QDs and the red fluorescence of AuNCs. In the presence of Ce3+, the fluorescence intensity of AuNCs was increased due to the aggregation-induced emission enhancement (AIEE), while that of MoS2 QDs remained unchanged, thus could be used as a reference signal. After adenosine 5'-monophosphate (AMP) and ALP were introduced into the system, AMP was hydrolyzed to adenosine and phosphate ions (PO43-). Owing to higher affinity between Ce3+ and PO43-, the AIEE effect was inhibited, in turn resulting in the decrease of AuNCs fluorescence. The developed ratiometric fluorescent sensor had a linear response to ALP concentration ranging from 0.5 to 50 U L-1 with a detection limit (LOD) of 0.08 U L-1. Moreover, the sensor had low cytotoxicity and was successfully employed in lysosome localization and bioimaging of intracellular ALP in living cells.
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Affiliation(s)
- Yibing Liu
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yu Zhang
- College of Life Sciences, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Wei Zhang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Xinghua Wang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Ying Sun
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yibing Huang
- College of Life Sciences, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Pinyi Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Jun Ding
- China-Japan Union Hospital of Jilin University, Sendai Street 126, Changchun 130033, China.
| | - Daqian Song
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China.
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Weng Y, Li H, Zhu M, Tao A, Wang S, Weng W. Colorimetric Picomolar-Level Determination of L-Cysteine with Fabricated N, Fe-Codoped Carbon Dots as a Peroxidase Mimic. ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1990311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yuhui Weng
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
| | - Huangjie Li
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
| | - Mincong Zhu
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
| | - Aojia Tao
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
| | - Sha Wang
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
| | - Wen Weng
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
- Fujian Provincial Key Laboratory of Modern Analytical Science and Separation Technology, Zhangzhou, China
- Fujian Provincial Key Laboratory of Pollution Monitoring and Control, Zhangzhou, China
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13
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Jiang C, Huang H, Kang X, Yang L, Xi Z, Sun H, Pluth MD, Yi L. NBD-based synthetic probes for sensing small molecules and proteins: design, sensing mechanisms and biological applications. Chem Soc Rev 2021; 50:7436-7495. [PMID: 34075930 PMCID: PMC8763210 DOI: 10.1039/d0cs01096k] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Compounds with a nitrobenzoxadiazole (NBD) skeleton exhibit prominent useful properties including environmental sensitivity, high reactivity toward amines and biothiols (including H2S) accompanied by distinct colorimetric and fluorescent changes, fluorescence-quenching ability, and small size, all of which facilitate biomolecular sensing and self-assembly. Amines are important biological nucleophiles, and the unique activity of NBD ethers with amines has allowed for site-specific protein labelling and for the detection of enzyme activities. Both H2S and biothiols are involved in a wide range of physiological processes in mammals, and misregulation of these small molecules is associated with numerous diseases including cancers. In this review, we focus on NBD-based synthetic probes as advanced chemical tools for biomolecular sensing. Specifically, we discuss the sensing mechanisms and selectivity of the probes, the design strategies for multi-reactable multi-quenching probes, and the associated biological applications of these important constructs. We also highlight self-assembled NBD-based probes and outline future directions for NBD-based chemosensors. We hope that this comprehensive review will facilitate the development of future probes for investigating and understanding different biological processes and aid the development of potential theranostic agents.
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Affiliation(s)
- Chenyang Jiang
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Haojie Huang
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Xueying Kang
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
| | - Liu Yang
- Department of Chemistry and Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China.
| | - Zhen Xi
- State Key Laboratory of Elemento-Organic Chemistry and Department of Chemical Biology, College of Chemistry, National Pesticide Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Hongyan Sun
- Department of Chemistry and Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China. and Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, China
| | - Michael D Pluth
- Department of Chemistry and Biochemistry, Materials Science Institute, Knight Campus for Accelerating Scientific Impact, Institute of Molecular Biology, University of Oregon, Eugene, OR 97403, USA.
| | - Long Yi
- State Key Laboratory of Organic-Inorganic Composites and Beijing Key Lab of Bioprocess, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.
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15
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Liu Y, Yu Y, Zhao Q, Tang C, Zhang H, Qin Y, Feng X, Zhang J. Fluorescent probes based on nucleophilic aromatic substitution reactions for reactive sulfur and selenium species: Recent progress, applications, and design strategies. Coord Chem Rev 2021; 427:213601. [PMID: 33024340 PMCID: PMC7529596 DOI: 10.1016/j.ccr.2020.213601] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/07/2020] [Indexed: 02/06/2023]
Abstract
Reactive sulfur species (RSS) and reactive selenium species (RSeS) are important substances for the maintenance of physiological balance. Imbalance of RSS and RSeS is closely related to a series of human diseases, so it is considered to be an important biomarker in early diagnosis, treatment, and stage monitoring. Fast and accurate quantitative analysis of different RSS and RSeS in complex biological systems may promote the development of personalized diagnosis and treatment in the future. One way to explore the physiological function of various types of RSS and RSeS in vivo is to detect them at the molecular level, and one of the most effective methods for this is to use fluorescent probes. Nucleophilic aromatic substitution (SNAr) reactions are commonly exploited as a detection mechanism for RSS and RSeS in fluorescent probes. In this review, we cover recent progress in fluorescent probes for RSS and RSeS based on SNAr reactions, and discuss their response mechanisms, properties, and applications. Benzenesulfonate, phenyl-O ether, phenyl-S ether, phenyl-Se ether, 7-nitro-2,1,3-benzoxadiazole (NBD), benzoate, and selenium-nitrogen bonds are all good detection groups. Moreover, based on an integration of different reports, we propose the design and synthesis of RSS- and RSeS-selective probes based on SNAr reactions, current challenges, and future research directions, considering the selection of active sites, the effect of substituents on the benzene ring, and the introduction of other functional groups.
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Affiliation(s)
- Yuning Liu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yanan Yu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Qingyu Zhao
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Chaohua Tang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huiyan Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yuchang Qin
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaohui Feng
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Junmin Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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16
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Glutathione functionalized copper nanoclusters as a fluorescence platform for specific biosensing of cysteine and application in cellular imaging. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105253] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Monitoring biothiols dynamics in living cells by ratiometric fluorescent gold carbon dots. Talanta 2020; 218:121214. [DOI: 10.1016/j.talanta.2020.121214] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 12/21/2022]
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18
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Zhang H, Li W, Chen J, Li G, Yue X, Zhang L, Song X, Chen W. Simultaneous detection of Cys/Hcy and H2S through distinct fluorescence channels. Anal Chim Acta 2020; 1097:238-244. [DOI: 10.1016/j.aca.2019.11.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 10/31/2019] [Accepted: 11/07/2019] [Indexed: 11/29/2022]
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19
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Li X, Qiao J, Li Z, Qi L. Fluorescence turn-off-on for highly selective detection of serum l-cysteine based on AuNCs-AuNPs ensembles. Analyst 2020; 145:2233-2237. [DOI: 10.1039/c9an02495f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The discriminative monitoring of l-cysteine in biological fluids is a great challenge. A fluorescent “turn-off-on” probe based on AuNCs-AuNPs ensembles for l-cysteine detection with high selectivity has been developed.
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Affiliation(s)
- Xiangfei Li
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P.R. China
| | - Juan Qiao
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P.R. China
| | - Zhiwei Li
- College of Chemical and Pharmaceutical Engineering
- Hebei University of Science and Technology
- Shijiazhuang 050018
- P.R. China
| | - Li Qi
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Analytical Chemistry for Living Biosystems
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P.R. China
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20
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Xie X, Peng Z, Hua X, Wang Z, Deng K, Yang X, Huang H. Selectively monitoring glutathione in human serum and growth-associated living cells using gold nanoclusters. Biosens Bioelectron 2019; 148:111829. [PMID: 31710959 DOI: 10.1016/j.bios.2019.111829] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/09/2019] [Accepted: 10/28/2019] [Indexed: 01/09/2023]
Abstract
Glutathione (GSH) plays a variety of vital functions in biological systems. Growth-associated change of GSH level in cells might be critical for cell survival and monitoring of GSH in living cells are of great significance for understanding the dynamic link between GSH and some diseases. In this work, chitason micelles templated gold nanoclusters (CM-Au NCs) emitting red fluorescence were prepared with a simple and rapid method, which shows interesting phenomenon of aggregation induced emission (AIE) affected by the size of the chitosan micelles. The unique CM-Au NCs can be used to develop turn-off fluorescent probe for detecting GSH in human serum and living cells based on the reverse process of AIE of CM-Au NCs, completely different from the principle of aggregation caused quenching (ACQ) effect, which can distinguish GSH from other biothiols (cysteine and homocysteine) and quantitatively detect GSH concentration of human serum in healthy people and cancer patients with high sensitivity. The practical application of fluorescent CM-Au NCs for cellular imaging and detecting GSH level indicates ultra-trace changes of GSH levels in normal and cancer cells could be monitored at different growth stages, which reveals that the levels of GSH in cancer cells was always higher than that of normal cells. Compared with commercial GSH assay kits for detection GSH in human serum and living cells, the proposed method was verified to be accuracy and precision. The results not only reflect the changes of GSH during cell growth at different stages, but also demonstrate the feasibility of reverse process of AIE of CM-Au NCs for detection GSH. This strategy would provide a platform to understand the dynamic link between GSH and disease to clarify the disease mechanism.
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Affiliation(s)
- Xiaoxue Xie
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Zhenqi Peng
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Xinyi Hua
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Zhifang Wang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Keqin Deng
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Xiumei Yang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Haowen Huang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China.
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21
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Liu J, Liu M, Zhang H, Wei X, Wang J, Xian M, Guo W. Exploring cysteine regulation in cancer cell survival with a highly specific "Lock and Key" fluorescent probe for cysteine. Chem Sci 2019; 10:10065-10071. [PMID: 32055360 PMCID: PMC6991186 DOI: 10.1039/c9sc02618e] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 09/03/2019] [Indexed: 12/19/2022] Open
Abstract
Using a highly specific “lock and key” fluorescent Cys probe, we confirmed that targeting Cys metabolism to deplete intracellular Cys is a more potent strategy to sensitize cancer cells to chemotherapies.
To probe the regulatory roles of cysteine (Cys) in cancer cell survival, a highly selective and sensitive fluorescent Cys probe SiR was developed by employing a novel “lock and key” strategy, which allows Cys to be detected without any interference or probe consumption caused by the intracellular high concentration of glutathione (GSH). Using SiR, we confirmed that inhibiting cystine (Cys2) transporter system xc– to deplete intracellular Cys is more efficient than inhibiting glutamate–cysteine ligase GCL to deplete intracellular GSH for sensitizing cancer cells to chemotherapy. Moreover, with the probe, a possible self-protection mechanism of cancer cells was indicated: when extracellular Cys sources are blocked, cancer cells could still survive by multidrug resistance protein transporter (Mrp1)-mediated export of intracellular GSH/GSSG as sources to supply intracellular Cys for resisting detrimental oxidative stress. Based on this finding, we further confirmed that abrogating the self-protection mechanism is an even more efficient strategy for sensitizing cancer cells to chemotherapy.
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Affiliation(s)
- Jing Liu
- School of Chemistry and Chemical Engineering , Shanxi University , Taiyuan 030006 , China .
| | - Mengxing Liu
- School of Chemistry and Chemical Engineering , Shanxi University , Taiyuan 030006 , China .
| | - Hongxing Zhang
- School of Chemistry and Chemical Engineering , Shanxi University , Taiyuan 030006 , China .
| | - Xuehong Wei
- Scientific Instrument Center , Shanxi University , Taiyuan 030006 , China
| | - Juanjuan Wang
- Scientific Instrument Center , Shanxi University , Taiyuan 030006 , China
| | - Ming Xian
- Department of Chemistry , Washington State University , Pullman , WA 99164 , USA
| | - Wei Guo
- School of Chemistry and Chemical Engineering , Shanxi University , Taiyuan 030006 , China .
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22
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Yan F, Sun X, Zu F, Bai Z, Jiang Y, Fan K, Wang J. Fluorescent probes for detecting cysteine. Methods Appl Fluoresc 2018; 6:042001. [PMID: 30039804 DOI: 10.1088/2050-6120/aad580] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Cysteine plays a crucial role in physiological processes. Therefore, it is necessary to develop a method for detecting cysteine. Fluorimetry has the advantages of convenient detection, short response time, high sensitivity and good selectivity. In this review, fluorescent probes that detect cysteine over the past three years are summarized based on structural features of fluorophores such as coumarin, BODIPY, rhodamine, fluorescein, CDs, QDs, etc and reaction groups including acrylate, aldehyde, halogen, 7-nitrobenzofurazan, etc. Then, effects of different combinations between fluorophores and response groups on probe properties and detection performances are discussed.
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23
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Nandi I, Chall S, Chowdhury S, Mitra T, Roy SS, Chattopadhyay K. Protein Fibril-Templated Biomimetic Synthesis of Highly Fluorescent Gold Nanoclusters and Their Applications in Cysteine Sensing. ACS OMEGA 2018; 3:7703-7714. [PMID: 30221238 PMCID: PMC6130899 DOI: 10.1021/acsomega.8b01033] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 06/27/2018] [Indexed: 05/30/2023]
Abstract
Biomimetic synthesis of multifunctional fluorescent gold nanoclusters (Au NCs) is of great demand because of their ever-increasing applications. In this study, we have used self-assembled bovine serum albumin (BSA) amyloid-like nanofibers as the bioinspired scaffold for the synthesis of Au NCs. The amyloid fibril stabilized gold nanocluster (Fib-Au NC) has been found to have appreciable enhancement of fluorescence emission and a large 25 nm red shift in its emission maxima when compared to its monomeric protein counterpart (BSA-Au NC). The underlying mechanism accountable for the fluorescence behavior and its spectral shift has been thoroughly investigated by a combined use of spectroscopic and microscopic techniques. We have subsequently demonstrated the use of Fib-Au NCs for cysteine (Cys) sensing both in vitro and inside live cells. Additionally, cellular uptake and postpermeation effect of Fib-Au NCs have also been ascertained by detailed flow cytometry analysis, viability assay, and real-time apoptotic gene expression profiling.
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Affiliation(s)
- Indrani Nandi
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Sayantani Chall
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Sourav Chowdhury
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Tulika Mitra
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Sib Sankar Roy
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Krishnananda Chattopadhyay
- Protein
Folding and Dynamics Laboratory, Structural Biology &
Bio-Informatics Division, and Metabolic Disorder Laboratory, Cell Biology
and Physiology Division, CSIR-Indian Institute
of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
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24
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Liu M, Li N, He Y, Ge Y, Song G. Dually emitting gold-silver nanoclusters as viable ratiometric fluorescent probes for cysteine and arginine. Mikrochim Acta 2018; 185:147. [PMID: 29594587 DOI: 10.1007/s00604-018-2674-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 01/11/2018] [Indexed: 11/28/2022]
Abstract
Glutathione coated gold and silver nanoclusters (GSH-Au/AgNCs) were synthesized by one-pot reduction methods and are found to be viable fluorescent nanoprobes for cysteine (Cys) and arginine (Arg), with good selectivity over other amino acids. The GSH-Au/AgNCs have two emissions at 616 nm and 412 nm when excited at 360 nm. With the increased concentration of Cys, the ratio of the emission intensities (I616/I412) linearly decreases with Cys in concentration ranging from 0.05 to 10 μM and from 10 to 50 μM, respectively. With increased concentrations of Arg, the ratio of I616/I412 linearly decreases with Arg concentration ranging from 0 to 50 μM and from 50 to 100 μM, respectively. The probe was applied to the determination of Cys and Arg in spiked samples of serum and urine where it gave good recoveries. Graphical abstract Glutathione-coated gold and silver nanoclusters (GSH-Au/AgNCs) were synthesized by one-pot reduction and are found to be viable fluorescent nanoprobes for cysteine (Cys) and arginine (Arg).
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Affiliation(s)
- Mingwang Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan, 430062, China
| | - Na Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan, 430062, China
| | - Yu He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan, 430062, China. .,Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China. .,Hubei Province Key Laboratory of Regional Development and Environment Response, Wuhan, 430062, China.
| | - Yili Ge
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan, 430062, China.,Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China
| | - Gongwu Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Wuhan, 430062, China.,Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China
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