1
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Rincon I, Hidalgo T, Armani G, Rojas S, Horcajada P. Enzyme_Metal-Organic Framework Composites as Novel Approach for Microplastic Degradation. CHEMSUSCHEM 2024:e202301350. [PMID: 38661054 DOI: 10.1002/cssc.202301350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 04/26/2024]
Abstract
Plastic pollution is one of the main worldwide environmental concerns. Our lifestyle involves persistent plastic consumption, aggravating the low efficiency of wastewater treatment plants in its removal. Nano/microplastics are accumulated in living beings, pushing to identify new water remediation strategies to avoid their harmful effects. Enzymes (e. g., Candida rugosa-CrL) are known natural plastic degraders as catalysts in depolymerization reactions. However, their practical use is limited by their stability, recyclability, and economical concerns. Here, enzyme immobilization in metal-organic frameworks (CrL_MOFs) is originally presented as a new plastic degradation approach to achieve a boosted plastic decomposition in aqueous systems while allowing the catalyst cyclability. Bis-(hydroxyethyl)terephthalate (BHET) was selected as model substrate for decontamination experiments for being the main polyethylene terephthalate (PET) degradation product. Once in contaminated water, CrL_MOFs can eliminate BHET (37 %, 24 h), following two complementary mechanisms: enzymatic degradation (CrL action) and byproducts adsorption (MOF effect). As a proof-of-concept, the capacity of a selected CrL_MOF composite to eliminate the BHET degradation products and its reusability are also investigated. The potential of these systems is envisioned in terms of improving enzyme cyclability, reducing costs along with feasible co-adsorption of plastic byproducts and other harmful contaminants, to successfully remove them in a single step.
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Affiliation(s)
- Irene Rincon
- Advanced Porous Materials Unit (APMU), IMDEA Energy Institute, Av. Ramón de La Sagra, 3, Móstoles, 28935, Madrid, Spain
| | - Tania Hidalgo
- Advanced Porous Materials Unit (APMU), IMDEA Energy Institute, Av. Ramón de La Sagra, 3, Móstoles, 28935, Madrid, Spain
| | - Giacomo Armani
- Advanced Porous Materials Unit (APMU), IMDEA Energy Institute, Av. Ramón de La Sagra, 3, Móstoles, 28935, Madrid, Spain
| | - Sara Rojas
- Advanced Porous Materials Unit (APMU), IMDEA Energy Institute, Av. Ramón de La Sagra, 3, Móstoles, 28935, Madrid, Spain
- Department of Inorganic Chemistry, University of Granada, Av. Fuentenueva s/n, 18071, Granada, Spain
| | - Patricia Horcajada
- Advanced Porous Materials Unit (APMU), IMDEA Energy Institute, Av. Ramón de La Sagra, 3, Móstoles, 28935, Madrid, Spain
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2
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Andrés-Sanz D, Diamanti E, Di Silvo D, Gurauskis J, López-Gallego F. Selective Coimmobilization of His-Tagged Enzymes on Yttrium-Stabilized Zirconia-Based Membranes for Continuous Asymmetric Bioreductions. ACS APPLIED MATERIALS & INTERFACES 2022; 14:4285-4296. [PMID: 35020352 DOI: 10.1021/acsami.1c20738] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Scalability, process control, and modularity are some of the advantages that make flow biocatalysis a key-enabling technology for green and sustainable chemistry. In this context, rigid porous solid membranes hold the promise to expand the toolbox of flow biocatalysis due to their chemical stability and inertness. Yttrium-stabilized zirconia (YSZ) fulfills these properties; however, it has been scarcely exploited as a carrier for enzymes. Here, we discovered an unprecedented interaction between YSZ materials and His-tagged enzymes that enables the fabrication of multifunctional biocatalytic membranes for bioredox cascades. X-ray photoelectron spectroscopy suggests that enzyme immobilization is driven by coordination interactions between the imidazole groups of His-tags and both Zr and Y atoms. As model enzymes, we coimmobilized in-flow a thermophilic hydroxybutyryl-CoA dehydrogenase (TtHBDH-His) and a formate dehydrogenase (His-CbFDH) for the continuous asymmetric reduction of ethyl acetoacetate with in situ redox cofactor recycling. Fluorescence confocal microscopy deciphered the spatial organization of the two coimmobilized enzymes, pointing out the importance of the coimmobilization sequence. Finally, the coimmobilized system succeeded in situ, recycling the redox cofactor, maintaining the specific productivity using only 0.05 mM NADH, and accumulating a total enzyme turnover number of 4000 in 24 h. This work presents YSZ materials as ready-to-use carriers for the site-directed enzyme in-flow immobilization and the application of the resulting heterogeneous biocatalysts for continuous biomanufacturing.
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Affiliation(s)
- Daniel Andrés-Sanz
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Eleftheria Diamanti
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Desirè Di Silvo
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Jonas Gurauskis
- INMA, Aragón Nanoscience and Materials Institute (CSIC-Unizar), Calle Mariano Esquillor 15, Edificio CIRCE, 50018 Zaragoza, Spain
- ARAID, Aragonese Agency for Research and Development, Av. de Ranillas 1-D, planta 2a̲, Oficina B, 50018 Zaragoza, Spain
| | - Fernando López-Gallego
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, 48013 Bilbao, Spain
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3
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Ruiz-González ML, Torres-Pardo A, González-Calbet JM. The Role of Transmission Electron Microscopy in the Early Development of Mesoporous Materials for Tissue Regeneration and Drug Delivery Applications. Pharmaceutics 2021; 13:2200. [PMID: 34959481 PMCID: PMC8708363 DOI: 10.3390/pharmaceutics13122200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 12/13/2021] [Indexed: 11/22/2022] Open
Abstract
For the last 20 years, silica-based mesoporous materials have provided a sound platform for the development of biomedical technology applied to tissue engineering and drug delivery. Their unique structural and textural characteristics, chiefly, the ordered distribution of homogeneous and tunable pores with high surface areas and large pore volume, and their excellent biocompatibility provide an excellent starting point for bone tissue regeneration on the mesoporous surface, and also to load species of interest inside the pores. Adequate control of the synthesis conditions and functionalization of the mesoporous surface are critical factors in the design of new systems that are suitable for use in specific medical applications. Simultaneously, the use of appropriate characterization techniques in the several stages of design and manufacture of mesoporous particles allows us to ascertain the textural, structural and compositional modifications induced during the synthesis, functionalization and post-in vitro assays processes. In this scenario, the present paper shows, through several examples, the role of transmission electron microscopy and associated spectroscopic techniques in the search for useful information in the early design stages of mesoporous systems, with application in the fields of tissue regeneration and drug delivery systems.
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Affiliation(s)
- María Luisa Ruiz-González
- Departamento de Química Inorgánica, Facultad de Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (M.L.R.-G.); (A.T.-P.)
- ICTS ELECMI Centro Nacional de Microscopia Electrónica, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Almudena Torres-Pardo
- Departamento de Química Inorgánica, Facultad de Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (M.L.R.-G.); (A.T.-P.)
- ICTS ELECMI Centro Nacional de Microscopia Electrónica, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - José M. González-Calbet
- Departamento de Química Inorgánica, Facultad de Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (M.L.R.-G.); (A.T.-P.)
- ICTS ELECMI Centro Nacional de Microscopia Electrónica, Universidad Complutense de Madrid, 28040 Madrid, Spain
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4
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Zhou C, Li W, Qiu M, Li W, Liu H, Liu H, Zhang K, Chen X. Precisely regulating the acidity of mesoporous silica on the catalytic performance of 1-decene oligomerization. NEW J CHEM 2021. [DOI: 10.1039/d1nj00279a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Optimization of the acidity of Al-MCM-41 catalysts to improve the catalytic performance of 1-decene oligomerization.
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Affiliation(s)
- Cunhui Zhou
- Department of Chemistry
- School of Science
- Shanghai University
- Shanghai 201900
- China
| | - Wenqian Li
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering
- Shanghai Advanced Research Institute
- Chinese Academy of Science
- Shanghai 201210
- China
| | - Minghuang Qiu
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering
- Shanghai Advanced Research Institute
- Chinese Academy of Science
- Shanghai 201210
- China
| | - Wanting Li
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering
- Shanghai Advanced Research Institute
- Chinese Academy of Science
- Shanghai 201210
- China
| | - Honglei Liu
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering
- Shanghai Advanced Research Institute
- Chinese Academy of Science
- Shanghai 201210
- China
| | - Hongjiang Liu
- Department of Chemistry
- School of Science
- Shanghai University
- Shanghai 201900
- China
| | - Kun Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- China
| | - Xinqing Chen
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering
- Shanghai Advanced Research Institute
- Chinese Academy of Science
- Shanghai 201210
- China
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5
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Sharifi M, Sohrabi MJ, Hosseinali SH, Hasan A, Kani PH, Talaei AJ, Karim AY, Nanakali NMQ, Salihi A, Aziz FM, Yan B, Khan RH, Saboury AA, Falahati M. Enzyme immobilization onto the nanomaterials: Application in enzyme stability and prodrug-activated cancer therapy. Int J Biol Macromol 2020; 143:665-676. [DOI: 10.1016/j.ijbiomac.2019.12.064] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/05/2019] [Accepted: 12/08/2019] [Indexed: 01/04/2023]
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6
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Li X, Qi T, Wang J, She W, Mao G, Yan P, Li W, Li G. Enhanced catalytic performance of nitrogen-doped carbon supported FeOx-based catalyst derived from electrospun nanofiber crosslinked N, Fe-containing MOFs for efficient hydrogenation of nitroarenes. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.110544] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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7
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Pan Y, Qiu W, Li Q, Zhu S, Lin C, Zeng W, Xiong X, Liu XY, Lin Y. Assembling Two‐Phase Enzymatic Cascade Pathways in Pickering Emulsion. ChemCatChem 2019. [DOI: 10.1002/cctc.201900098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yongchun Pan
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Wu Qiu
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Qin Li
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Shuihong Zhu
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Changxu Lin
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Wenbin Zeng
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Xueqing Xiong
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
| | - Xiang Yang Liu
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
- Department of PhysicsNational University of Singapore 2 Science Drive 3 117542 Singapore Singapore
| | - Youhui Lin
- Department of Physics, Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials Research Jiujiang Research InstituteXiamen University Xiamen 361005 China
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8
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Lin JF, Li J, Gopal A, Munshi T, Chu YW, Wang JX, Liu TT, Shi B, Chen X, Yan L. Synthesis of photo-excited Chlorin e6 conjugated silica nanoparticles for enhanced anti-bacterial efficiency to overcome methicillin-resistant Staphylococcus aureus. Chem Commun (Camb) 2019; 55:2656-2659. [DOI: 10.1039/c9cc00166b] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nano photodynamic therapy to overcome multidrug resistant bacteria.
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9
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Ding F, Chu Z, Zhang Q, Liu H, Zhang W. Facile synthesis of layered mesoporous covalent organic polymers for highly selective enrichment of N-glycopeptides. Anal Chim Acta 2019; 1057:145-151. [DOI: 10.1016/j.aca.2018.12.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/22/2018] [Accepted: 12/24/2018] [Indexed: 10/27/2022]
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10
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Synthesis, thermal, dielectric, and microwave reflection loss properties of nickel oxide filler with natural fiber‐reinforced polymer composite. J Appl Polym Sci 2018. [DOI: 10.1002/app.46998] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Li H, Ke J, Li H, Wei C, Wu X, Li J, Yang Y, Xu L, Liu H, Li S, Yang M, Wei M. Mesoporous silicas templated by heterocyclic amino acid derivatives: Biomimetic synthesis and drug release application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:407-418. [PMID: 30274073 DOI: 10.1016/j.msec.2018.07.081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 06/04/2018] [Accepted: 07/30/2018] [Indexed: 12/11/2022]
Abstract
The present paper reported a biomimetic synthesis of mesoporous silicas (BMSs) at room temperature by using synthesized polymers (C16-l-His, C16-l-Pro and C16-l-Trp) which derived from amino acid with ring structures as template under basic condition via co-structural-directing-agent method. The formation mechanism of BMSs and effect of initial synthesis conditions (such as surfactant structure, pH and co-solvents) on morphology and structure of BMSs were systematically studied. Synthesized BMSs were characterized by transmission electron microscope (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and nitrogen adsorption/desorption isotherms. The results showed that the surfactant structure was the dominant factor to direct the final mesostructure of BMSs, since the structure of surfactant affected the structure and size of clusters. Meanwhile the generation of BMSs required very rigorous alkaline condition which controlled the ionization degree of the surfactant and thus contributing to adequate stacking energy. Higher pH resulted in construction of channels with higher curvature. The presence of ethanol was found to facilitate the formation of BMSs with larger particle size. In application, aspirin can be loaded into BMSs with high efficiency, and the drug crystalline state of aspirin transformed from crystalline state to amorphous state during this process, which undoubtedly lead to the improvement of drug dissolution from 72.8% to 100% within 90 min. It is convincible that the biomimetic method presented here provided novel insight on precisely control of mesoporous silica and undoubtedly promoted the application of mesoporous silica materials.
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Affiliation(s)
- Heran Li
- School of Pharmacy, China Medical University, Shenyang, 110122, P.R. China; School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jia Ke
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Haiting Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Chen Wei
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xueqian Wu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jing Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yang Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Lu Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hongzhuo Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Sanming Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Mingshi Yang
- Faculty of Health and Medical Science, University of Copenhagen, Copenhagen, Denmark
| | - Minjie Wei
- School of Pharmacy, China Medical University, Shenyang, 110122, P.R. China.
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12
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Shariati B, Yektadoost E, Behzadi E, Azmoodeh E, Attar F, Sari S, Akhtari K, Falahati M. Interaction of silica nanoparticles with tau proteins and PC12 cells: Colloidal stability, thermodynamic, docking, and cellular studies. Int J Biol Macromol 2018; 118:1963-1973. [PMID: 30009913 DOI: 10.1016/j.ijbiomac.2018.07.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/03/2018] [Accepted: 07/11/2018] [Indexed: 12/12/2022]
Abstract
Study on the side effects of the nanoparticles (NPs) can provide useful information regarding their biological and medical applications. Herein, the colloidal stability of the silicon dioxide NPs (SiO2 NPs) in the absence and presence of tau was investigated by TEM and DLS techniques. Afterwards, the thermodynamic parameters of interaction between SiO2 NPs and tau were determined by fluorescence spectroscopy and docking studies. Finally, the cytotoxic effects of SiO2 NPs on the viability of PC12 cells were investigated by MTT, AO/EB staining and flow cytometry assays. TEM, DLS, and zeta potential investigations revealed that tau can reduce the colloidal stability of SiO2 NPs. Fluorescence spectroscopy study indicated that SiO2 NPs bound to the tau with high affinity through hydrogen bonds and van der Waals interactions. Docking study also determined that Ser, Thr and Tyr residues provide a polar microenvironment for SiO2 NPs/tau interaction. Cellular studies demonstrated that SiO2 NPs can induce cell mortality through both apoptosis and necrosis mechanisms. Therefore, it may be concluded that the biological systems such as nervous system proteins can affect the colloidal stability of NPs and vice versa NPs in the biological systems can bind to proteins and cell membranes non-specifically and may induce toxicity.
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Affiliation(s)
- Behdad Shariati
- Pharmaceutical Sciences Research Center, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
| | - Elham Yektadoost
- Pharmaceutical Sciences Research Center, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
| | - Elham Behzadi
- Pharmaceutical Sciences Research Center, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
| | - Elnaz Azmoodeh
- Pharmaceutical Sciences Research Center, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
| | - Farnoosh Attar
- Department of Biology, Faculty of Food Industry & Agriculture, Standard Research Institute (SRI), Karaj, Iran
| | - Soyar Sari
- Department of Cellular and Molecular Biology, Faculty of Advance Science and Technology, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
| | - Keivan Akhtari
- Department of Physics, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advance Science and Technology, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran.
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13
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Liu Y, Kim YJ, Siriwon N, Rohrs JA, Yu Z, Wanga P. Combination drug delivery via multilamellar vesicles enables targeting of tumor cells and tumor vasculature. Biotechnol Bioeng 2018; 115:1403-1415. [PMID: 29457630 DOI: 10.1002/bit.26566] [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: 08/01/2017] [Revised: 01/16/2018] [Accepted: 02/08/2018] [Indexed: 12/15/2022]
Abstract
Blood vessel development is critical for the continued growth and progression of solid tumors and, therefore, makes an attractive target for improving cancer therapy. Indeed, vascular-targeted therapies have been extensively explored but they have shown minimal efficacy as monotherapies. Combretastatin A4 (CA-4) is a tubulin-binding vascular disrupting agent that selectively targets the established tumor endothelium, causing rapid vascular beak down. Despite its potent anticancer potential, the drug has dose-limiting side effects, particularly in the form of cardiovascular toxicity. Furthermore, its poor aqueous solubility and the resulting limited bioavailability hinder its antitumor activity in the clinic. To improve the therapeutic efficacy of CA-4, we investigated its application as a combination therapy with doxorubicin (Dox) in a tumor vasculature targeted delivery vehicle: peptide-modified cross-linked multilamellar liposomal vesicles (cMLVs). In vitro cell culture studies showed that a tumor vasculature-targeting peptide, RIF7, could facilitate higher cellular uptake of drug-loaded cMLVs, and consequently enhance the antitumor efficacy in both drug resistant B16 mouse melanoma and human MDA-MB-231 breast cancer cells. In vivo, upon intravenous injection, targeted cMLVs could efficiently deliver both Dox and CA-4 to significantly slow tumor growth through the specific interaction of the targeting peptide with its receptor on the surface of tumor vasculature. This study demonstrates the potential of our novel targeted combination therapy delivery vehicle to improve the outcome of cancer treatment.
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Affiliation(s)
- Yarong Liu
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California
| | - Yu J Kim
- Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, California
| | - Natnaree Siriwon
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California
| | - Jennifer A Rohrs
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California
| | - Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou, Guangdong, China
| | - Pin Wanga
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California.,Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, California.,Department of Biomedical Engineering, University of Southern California, Los Angeles, California
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14
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Qi H, Du Y, Hu G, Zhang L. Poly(carboxybetaine methacrylate)-functionalized magnetic composite particles: A biofriendly support for lipase immobilization. Int J Biol Macromol 2018; 107:2660-2666. [DOI: 10.1016/j.ijbiomac.2017.10.150] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 10/20/2017] [Accepted: 10/24/2017] [Indexed: 01/30/2023]
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15
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Wang J, Fan J, Liu L, Ding S, Liu X, Wang J, Gao L, Chattopadhaya S, Miao P, Xia J, Qiu L, Jiang P. Developing a capillary electrophoresis based method for dynamically monitoring enzyme cleavage activity using quantum dots-peptide assembly. Electrophoresis 2017; 38:2530-2535. [DOI: 10.1002/elps.201700117] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 06/04/2017] [Accepted: 06/26/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Jianhao Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Jie Fan
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Li Liu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Shumin Ding
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Xiaoqian Liu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Jianpeng Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Liqian Gao
- School of Pharmaceutical Science(Shenzhen); Sun Yat-sen University (SYSU); Guangzhou Guangdong P. R. China
| | | | - Peng Miao
- CAS Key Lab of Bio-Medical Diagnostics,Suzhou Institute of Biomedical Engineering and Technology; Chinese Academy of Sciences; Suzhou P. R. China
| | - Jiang Xia
- Department of Chemistry; The Chinese University of Hong Kong; Shatin Hong Kong SAR P. R. China
| | - Lin Qiu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Pengju Jiang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
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16
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Zhao P, Xu Q, Tao J, Jin Z, Pan Y, Yu C, Yu Z. Near infrared quantum dots in biomedical applications: current status and future perspective. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 10:e1483. [DOI: 10.1002/wnan.1483] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 04/23/2017] [Accepted: 05/04/2017] [Indexed: 01/23/2023]
Affiliation(s)
- Peng Zhao
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening; Southern Medical University; Guangzhou China
- State Key Laboratory of Chemo/Biosensing and Chemometrics; Hunan University; Changsha China
| | - Quan Xu
- State Key Laboratory of Heavy Oil Processing; China University of Petroleum (Beijing); Beijing China
| | - Jia Tao
- State Key Laboratory of Chemo/Biosensing and Chemometrics; Hunan University; Changsha China
- School of Chemistry and Engineering; South China University of Technology; Guangzhou China
| | - Zongwen Jin
- Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences; Shenzhen China
| | - Yue Pan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou China
| | - Changmin Yu
- College of Materials Science & Engineering; South China University of Technology; Guangzhou China
| | - Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening; Southern Medical University; Guangzhou China
- State Key Laboratory of Chemo/Biosensing and Chemometrics; Hunan University; Changsha China
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17
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Copper-containing mesoporous bioactive glass nanoparticles as multifunctional agent for bone regeneration. Acta Biomater 2017; 55:493-504. [PMID: 28412552 DOI: 10.1016/j.actbio.2017.04.012] [Citation(s) in RCA: 170] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/13/2017] [Accepted: 04/11/2017] [Indexed: 02/07/2023]
Abstract
The application of mesoporous bioactive glasses (MBGs) containing controllable amount of different ions, with the aim to impart antibacterial activity, as well as stimulation of osteogenesis and angiogenesis, is attracting an increasing interest. In this contribution, in order to endow nano-sized MBG with additional biological functions, the framework of a binary SiO2-CaO mesoporous glass was modified with different concentrations of copper ions (2 and 5%mol.), through a one-pot ultrasound-assisted sol-gel procedure. The Cu-containing MBG (2%mol.) showed high exposed surface area (550m2g-1), uniform mesoporous channels (2.6nm), remarkable in vitro bioactive behaviour and sustained release of Cu2+ ions. Cu-MBG nanoparticles and their ionic dissolution extracts exhibited antibacterial effect against three different bacteria strains, E. coli, S. aureus, S. epidermidis, and the ability to inhibit and disperse the biofilm produced by S. epidermidis. The obtained results suggest that the developed material, which combines in single multifunctional agent excellent bioactivity and antimicrobial ability, offers promising opportunities for the prevention of infectious diseases and the effective treatment of bone defects. STATEMENT OF SIGNIFICANCE In order to endow mesoporous bioactive glass, characterized by excellent bioactive properties, with additional biological functions, Cu-doped mesoporous SiO2-CaO glass (Cu-MBG) in the form of nanoparticles was prepared by an ultra-sound assisted one pot synthesis. The analysis of the bacterial viability, using different bacterial strains, and the morphological observation of the biofilm produced by the Staphylococcus epidermidis, revealed the antimicrobial effectiveness of the Cu-MBG and the relative ionic extracts against both the bacterial growth and the biofilm formation/dispersion, providing a true alternative to traditional antibiotic systemic therapies. The proposed multifunctional agent represents a promising and versatile platform for bone and soft tissues regeneration.
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18
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Gao J, Jiang Y, Lu J, Han Z, Deng J, Chen Y. Dopamine-functionalized mesoporous onion-like silica as a new matrix for immobilization of lipase Candida sp. 99-125. Sci Rep 2017; 7:40395. [PMID: 28067335 PMCID: PMC5220347 DOI: 10.1038/srep40395] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 12/06/2016] [Indexed: 02/06/2023] Open
Abstract
Dopmine functionalized mesoporous onion-like silica (DPMS) was synthesized via a biomimetic coating, and lipase Candida sp. 99-125 (LCS) was immobilized in DPMS (LCS@DPMS) by physical adsorption in this study. The DPMS was characterized by SEM, TEM, BET and FT-IR, and it was shown that the DPMS had clear multishell structures with large surface area of 419 m2/g. The activity, pH stability, thermal stability, storage stability, and reusability of the LCS@DPMS were investigated in detail. The stabilities of LCS@DPMS were improved significantly compared to the free lipase and LCS@MS (LCS immobilized in unfunctionalized mesoporous onion-like silica by physical adsorption). All the results indicated that the DPMS had high efficiency and improved stability for lipase immobilization.
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Affiliation(s)
- Junkai Gao
- School of Maritime and Civil Engineering, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Yanjun Jiang
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, China
| | - Jinshu Lu
- School of Maritime and Civil Engineering, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Zhi Han
- School of Maritime and Civil Engineering, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Jiajia Deng
- School of Maritime and Civil Engineering, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Yan Chen
- School of Maritime and Civil Engineering, Zhejiang Ocean University, Zhoushan, 316022, China
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19
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Qin H, Jiang X, Fan J, Wang J, Liu L, Qiu L, Wang J, Jiang P. Investigation of the weak binding of a tetrahistidine-tagged peptide to quantum dots by using capillary electrophoresis with fluorescence detection. J Sep Sci 2016; 40:567-573. [DOI: 10.1002/jssc.201601183] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 11/04/2016] [Accepted: 11/07/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Haifang Qin
- Institute of Pharmaceutical and Environmental Engineering; Changzhou Vocational Institute of Engineering; Changzhou Jiangsu P.R. China
| | - Xiyuan Jiang
- Kunshan affiliated Hospital of Nanjing University of Chinese Medicine; Kunshan Jiangsu P.R. China
| | - Jie Fan
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
| | - Jianpeng Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
| | - Li Liu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
| | - Lin Qiu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
| | - Jianhao Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
| | - Pengju Jiang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P.R. China
- Key Laboratory of Synthetic Biology, Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; Shanghai P.R. China
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20
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Zhu J, Zhu X, Gu J, Zhao L, Jiang L, Qiu Y. Effective adsorption and concentration of carnosine by nickel species within mesoporous silica. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.07.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Wang J, Zhang C, Liu L, Kalesh KA, Qiu L, Ding S, Fu M, Gao LQ, Jiang P. A capillary electrophoresis method to explore the self-assembly of a novel polypeptide ligand with quantum dots. Electrophoresis 2016; 37:2156-62. [DOI: 10.1002/elps.201600164] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Revised: 06/14/2016] [Accepted: 06/14/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Jianhao Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Chencheng Zhang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Li Liu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Karunakaran A. Kalesh
- Department of Chemical Engineering, Imperial College London; South Kensington Campus; London UK
| | - Lin Qiu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
- State Key Laboratory of Coordination Chemistry; Nanjing University; Nanjing Jiangsu P. R. China
| | - Shumin Ding
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Minli Fu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Li-qian Gao
- Department of Chemistry; National University of Singapore; Singapore
| | - Pengju Jiang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
- Key Laboratory of Synthetic Biology, Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; Shanghai P. R. China
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22
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Guo P, Fan J, Cheng Y, Wang J, Wang C. Characterization of the Self-Assembly of Glutathione Stabilized Cadmium Selenide–Zinc Sulfide Quantum Dots with a Cyanine5-Labeled Peptide by Capillary Electrophoresis and Fluorescence. ANAL LETT 2016. [DOI: 10.1080/00032719.2016.1171328] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Wang J, Li J, Wang J, Liu L, Li J, Qin H, Ding S, Fu M, Ji J, Jiang P, Qiu L. Simultaneous monitoring of quantum dots and their assembly and disassembly with PreScission protease using capillary electrophoresis with fluorescence detection. J Sep Sci 2016; 39:1785-91. [DOI: 10.1002/jssc.201600075] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 03/01/2016] [Accepted: 03/01/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Jianhao Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Jinchen Li
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Jianpeng Wang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Li Liu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Jinping Li
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Haifang Qin
- Institute of Pharmaceutical and Environmental Engineering; Changzhou Vocational Institute of Engineering; Changzhou Jiangsu P. R. China
| | - Shumin Ding
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Minli Fu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Junling Ji
- Changzhou Meisheng Biomaterials Co., Ltd; Changzhou Jiangsu P. R. China
| | - Pengju Jiang
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
| | - Lin Qiu
- School of Pharmaceutical Engineering and Life Science; Changzhou University; Changzhou Jiangsu P. R. China
- Changzhou Meisheng Biomaterials Co., Ltd; Changzhou Jiangsu P. R. China
- State Key Laboratory of Coordination Chemistry; Nanjing University; Nanjing Jiangsu P. R. China
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24
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Phospholipid Adsorption Polymeric Materials for Detection of Xylazine and Metabolite in Blood and Urine. INT J POLYM SCI 2016. [DOI: 10.1155/2016/3682167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Polymers have been used in different areas. Recently, polymeric material is favored in analytical area due to its high performance and high consistency, which was used in sample pretreatment in this study. Xylazine poisoning is often seen in body fluid samples obtained from various accidents or suicides. However, the content of xylazine is difficult to detect precisely due to matrix effect in testing practices. In this paper, a method application for phospholipid adsorption polymeric materials to determine xylazine in blood and urine samples was proposed, developed, and validated. Compared with existing method, this method using polymeric pretreatment has a wider linear range of 2.0–2000.0 ng/mL for xylazine and its metabolite 2,6-dimethylaniline in both blood and urine and lower detection limits of 0.3 ng/mL for 2,6-dimethylaniline and xylazine in blood and 0.2 ng/mL for 2,6-dimethylaniline and xylazine in urine. Therefore, this method is suggested to be applied in testing practices by academic groups and commercial organizations.
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25
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Hung BY, Kuthati Y, Kankala RK, Kankala S, Deng JP, Liu CL, Lee CH. Utilization of Enzyme-Immobilized Mesoporous Silica Nanocontainers (IBN-4) in Prodrug-Activated Cancer Theranostics. NANOMATERIALS (BASEL, SWITZERLAND) 2015; 5:2169-2191. [PMID: 28347114 PMCID: PMC5304787 DOI: 10.3390/nano5042169] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 11/26/2015] [Indexed: 12/12/2022]
Abstract
To develop a carrier for use in enzyme prodrug therapy, Horseradish peroxidase (HRP) was immobilized onto mesoporous silica nanoparticles (IBN-4: Institute of Bioengineering and Nanotechnology), where the nanoparticle surfaces were functionalized with 3-aminopropyltrimethoxysilane and further conjugated with glutaraldehyde. Consequently, the enzymes could be stabilized in nanochannels through the formation of covalent imine bonds. This strategy was used to protect HRP from immune exclusion, degradation and denaturation under biological conditions. Furthermore, immobilization of HRP in the nanochannels of IBN-4 nanomaterials exhibited good functional stability upon repetitive use and long-term storage (60 days) at 4 °C. The generation of functionalized and HRP-immobilized nanomaterials was further verified using various characterization techniques. The possibility of using HRP-encapsulated IBN-4 materials in prodrug cancer therapy was also demonstrated by evaluating their ability to convert a prodrug (indole-3- acetic acid (IAA)) into cytotoxic radicals, which triggered tumor cell apoptosis in human colon carcinoma (HT-29 cell line) cells. A lactate dehydrogenase (LDH) assay revealed that cells could be exposed to the IBN-4 nanocomposites without damaging their membranes, confirming apoptotic cell death. In summary, we demonstrated the potential of utilizing large porous mesoporous silica nanomaterials (IBN-4) as enzyme carriers for prodrug therapy.
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Affiliation(s)
- Bau-Yen Hung
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien-974, Taiwan.
| | - Yaswanth Kuthati
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien-974, Taiwan.
| | - Ranjith Kumar Kankala
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien-974, Taiwan.
| | | | - Jin-Pei Deng
- Department of Chemistry, Tamkang University, New Taipei City 251, Taiwan.
| | - Chen-Lun Liu
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien-974, Taiwan.
| | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien-974, Taiwan.
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26
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Hossan MS, Rahman MA, Tauer K, Minami H, Ahmad H. A generalized technique for the encapsulation of nano-sized NiO particles by styrene-2-hydroxyethyl methacrylate copolymer. POLYM ADVAN TECHNOL 2015. [DOI: 10.1002/pat.3521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- M. Shamim Hossan
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
| | - M. Abdur Rahman
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
| | - Klaus Tauer
- Max Planck Institute of Colloid and Interfaces; Am Mühlenberg 14476 Golm Germany
| | - Hideto Minami
- Graduate School of Engineering; Kobe University; Kobe 657-8501 Japan
| | - Hasan Ahmad
- Department of Chemistry; Rajshahi University; Rajshahi 6205 Bangladesh
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27
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Yu Y, Wang J, Liu J, Ling D, Xia J. Functional assembly of protein fragments induced by spatial confinement. PLoS One 2015; 10:e0122101. [PMID: 25875003 PMCID: PMC4398348 DOI: 10.1371/journal.pone.0122101] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 02/17/2015] [Indexed: 02/05/2023] Open
Abstract
Natural proteins are often confined within their local microenvironments, such as three-dimensional confinement in organelles or two-dimensional confinement in lipid rafts on cytoplasmic membrane. Spatial confinement restricts proteins' entropic freedom, forces their lateral interaction, and induces new properties that the same proteins lack at the soluble state. So far, the phenomenon of environment-induced protein functional alteration still lacks a full illustration. We demonstrate here that engineered protein fragments, although being non-functional in solution, can be re-assembled within the nanometer space to give the full activity of the whole protein. Specific interaction between hexahistidine-tag (His-tag) and NiO surface immobilizes protein fragments on NiO nanoparticles to form a self-assembled protein "corona" on the particles inside the nanopores of mesoporous silica. Site-specific assembly forces a shoulder-by-shoulder orientation and promotes fragment-fragment interaction; this interaction together with spatial confinement of the mesopores results in functional re-assembly of the protein half fragments. To our surprise, a single half fragment of luciferase (non-catalytic in solution) exhibited luciferase activity when immobilized on NiO in the mesopores, in the absence of the complimentary half. This shows for the first time that spatial confinement can induce the folding of a half fragment, reconstitute the enzyme active site, and re-gain the catalytic capability of the whole protein. Our work thereby highlights the under-documented notion that aside from the chemical composition such as primary sequence, physical environment of a protein also determines its function.
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Affiliation(s)
- Yongsheng Yu
- Department of Chemistry, Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Jianpeng Wang
- Department of Chemistry, Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Jiahui Liu
- Department of Chemistry, Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Daishun Ling
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, China
| | - Jiang Xia
- Department of Chemistry, Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong, China
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