1
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Guo S, Wang S, Meng J, Gu D, Yang Y. Immobilized enzyme for screening and identification of anti-diabetic components from natural products by ligand fishing. Crit Rev Biotechnol 2023; 43:242-257. [PMID: 35156475 DOI: 10.1080/07388551.2021.2025034] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Diabetes is a chronic metabolic disease caused by insufficient insulin secretion and insulin resistance. Natural product is one of the most important resources for anti-diabetic drug. However, due to the extremely complex composition, this research is facing great challenges. After the advent of ligand fishing technology based on enzyme immobilization, the efficiency of screening anti-diabetic components has been greatly improved. In order to provide critical knowledge for future research in this field, the application progress of immobilized enzyme in screening anti-diabetic components from complex natural extracts in recent years was reviewed comprehensively, including novel preparation technologies and strategies of immobilized enzyme and its outstanding application prospect in many aspects. The basic principles and preparation steps of immobilized enzyme were briefly described, including entrapment, physical adsorption, covalent binding, affinity immobilization, multienzyme system and carrier-free immobilization. New formatted immobilized enzymes with different carriers, hollow fibers, magnetic materials, microreactors, metal organic frameworks, etc., were widely used to screen anti-diabetic compositions from various natural products, such as Ginkgo biloba, Morus alba, lotus leaves, Pueraria lobata, Prunella vulgaris, and Magnolia cortex. Furthermore, the challenges and future prospects in this field were put forward in this review.
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Affiliation(s)
- Shuang Guo
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, China
| | - Shuai Wang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, China
| | - Jing Meng
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, China
| | - Dongyu Gu
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, China.,College of Marine Science and Environment, Dalian Ocean University, Dalian, China
| | - Yi Yang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, China
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2
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Pal K, Barman S, Bag J. Enzymatic Substrate Inhibition in Metal Free Catecholase Activity. Chem Biodivers 2023; 20:e202201166. [PMID: 36762430 DOI: 10.1002/cbdv.202201166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/09/2023] [Accepted: 02/09/2023] [Indexed: 02/11/2023]
Abstract
The catecholase activities were routinely modeled using transition metal complexes as catalyst and in some case basic pH were used as a reaction condition. In this article, the catalytic aerobic oxidation of proxy substrate 3,5-di-tert-butylcatechol (DTBC) in methanol using triethylamine/diethylamine as catalyst was demonstrated as a functional mimic of catecholase activity. The kinetic manifestation of DTBC oxidation was explained as enzymatic substrate inhibition pattern in Michaelis-Menten kinetic model. The mechanistic insight of the aerobic oxidation of DTBC was further validated using various spectroscopic techniques and DFT methods.
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Affiliation(s)
- Kuntal Pal
- Department of Chemistry, University of Calcutta, 92 A.P.C Road, Kolkata, 700009, India
| | - Souvik Barman
- Department of Chemistry, University of Calcutta, 92 A.P.C Road, Kolkata, 700009, India
| | - Jayanta Bag
- Department of Chemistry, University of Calcutta, 92 A.P.C Road, Kolkata, 700009, India
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3
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Li J, Li C, Peng X, Li S, Liu B, Chu C. Recent discovery of tyrosinase inhibitors in traditional Chinese medicines and screening methods. JOURNAL OF ETHNOPHARMACOLOGY 2023; 303:115951. [PMID: 36410577 DOI: 10.1016/j.jep.2022.115951] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/02/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tyrosinase, the key rate-limiting enzyme for melanogenesis, is one of the main targets for skin senescence and some pigmented skin diseases, such as albinism and melanoma. Tyrosinase inhibitors are capable of reducing melanin generation and deposition in the skin through blocking the reaction chain of formation. Thus, it has been used for anti-melanoma and showed the potential to be developed into novel skin whitening and spot removing products. With the trend of back-to-nature, natural tyrosinase inhibitors are receiving more and more attention. Traditional Chinese medicines (TCMs) as the promising source of novel chemotypes and pharmacophores, are huge treasures for the discovery of natural tyrosinase inhibitors characterized with green, safe, and highly efficient. AIM OF THIS REVIEW This review aims to provide a systematic overview of natural tyrosinase inhibitors and a detailed summary of the types of TCMs from which they originate. In addition, this paper also highlights the screening methods developed for exploring tyrosinase inhibitors in recent years, compares the advantages and disadvantages of various methods under the guidance of different screening principles, and predicts their applications in the future. MATERIALS AND METHODS Relevant literature have been obtained using the keywords "tyrosinase inhibitors", "traditional Chinese medicines", "whitening", and "screening" in scientific databases, such as "PubMed", "SciFinder", "Web of Science", "Elsevier", "China Knowledge Resource Integrated databases". Information was also collected from Chinese pharmacopoeia, Chinese herbal classics books, "Google Scholar", "Baidu Scholar", and other literature sources, etc. RESULTS: An overview about the tyrosinase inhibitors derived from TCMs since 2002 has been compiled via the above-mentioned sources. Up to now, 186 components, mainly belonging to flavonoids, lignans, terpenoids, Diels-Alder adducts, simple phenylpropanoids and stilbenes, from 61 kinds of TCMs have been reported to possess tyrosinase inhibitory activity, among which flavonoids are mainly focused on. Furthermore, on the basis of bioactive detection strategies, the screening methods for tyrosinase inhibitors have been classified into bioaffinity-based, intrinsic enzymatic-based, and computer-aided drug design (CADD). Precisely because screening approaches are essential for rapid identification of tyrosinase inhibitors from TCMs, the principles, advantages and disadvantages, and specific applications of each method are presented along with a comparison of applicability. CONCLUSIONS The summary of TCMs-derived inhibitors gives a clue on the discovery of candidates with the property to whiten the skin. Meanwhile, the outlook of developed screening methods provides technical references for the efficient exploration of safer and more effective tyrosinase inhibitors from TCMs.
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Affiliation(s)
- Jiaxu Li
- School of Pharmacy, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Chenyue Li
- School of Pharmacy, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Xin Peng
- Ningbo Research Institute of Traditional Chinese Medicine, Ningbo, 315100, China
| | - Shaoping Li
- Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, China
| | - Bingrui Liu
- School of Public Health, North China University of Science and Technology, Tangshan, 063210, China.
| | - Chu Chu
- School of Pharmacy, Zhejiang University of Technology, Hangzhou, 310014, China.
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4
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Mine M, Mizuguchi H, Takayanagi T. Kinetic analyses of two-steps oxidation from l-tyrosine to l-dopaquinone with tyrosinase by capillary electrophoresis/dynamic frontal analysis. Anal Biochem 2022; 655:114856. [PMID: 35964734 DOI: 10.1016/j.ab.2022.114856] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 11/01/2022]
Abstract
Tyrosinase catalyzes the oxidation of l-tyrosine in two stages to produce l-dopa and l-dopaquinone stepwise, and l-dopaquinone is subsequently converted to dopachrome. Most of the conventional analyses subjected only one-step reaction from l-tyrosine to l-dopa or from l-dopa to l-dopaquinone. In this study, kinetic analyses of two-steps oxidation of l-tyrosine with tyrosinase were made by capillary electrophoresis/dynamic frontal analysis (CE/DFA). When l-dopa was introduced into a capillary as a sample plug in a CE/DFA format, the enzymatic oxidation continuously occurred during the electrophoresis, and the product l-dopaquinone was subsequently converted to dopachrome which was detected as a plateau signal. A Michaelis-Menten constant of the second-step kinetic reaction, Km,Do, was determined as 0.45 ± 0.03 mmol L-1. In the analysis of the first-step kinetic reaction from l-tyrosine to l-dopa, l-dopa was not resolved by CE/DFA because both l-tyrosine and l-dopa are electrically neutral. The l-dopa formed and co-migrated at the l-tyrosine zone was calibrated beforehand with the final product of dopachrome detected as a plateau signal. Constantly formed l-dopa was successfully detected as a plateau signal of dopachrome, and a Michaelis-Menten constant of Km,Ty was also determined as 0.061 ± 0.009 mmol L-1 by the CE/DFA. CE/DFA is applicable to two-steps enzymatic reactions.
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Affiliation(s)
- Masanori Mine
- Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minamijyousanjima-cho, Tokushima, 770-8506, Japan
| | - Hitoshi Mizuguchi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijyousanjima-cho, Tokushima, 770-8506, Japan
| | - Toshio Takayanagi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijyousanjima-cho, Tokushima, 770-8506, Japan.
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5
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Zhang XW, Bian GL, Kang PY, Cheng XJ, Yan K, Liu YL, Gao YX, Li DQ. Recent advance in the discovery of tyrosinase inhibitors from natural sources via separation methods. J Enzyme Inhib Med Chem 2021; 36:2104-2117. [PMID: 34579614 PMCID: PMC8480707 DOI: 10.1080/14756366.2021.1983559] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Tyrosinase (TYR) inhibitors are in great demand in the food, cosmetic and medical industrials due to their important roles. Therefore, the discovery of high-quality TYR inhibitors is always pursued. Natural products as one of the most important sources of bioactive compounds discovery have been increasingly used for TYR inhibitors screening. However, due to their complex compositions, it is still a great challenge to rapid screening and identification of biologically active components from them. In recent years, with the help of separation technologies and the affinity and intrinsic activity of target enzymes, two advanced approaches including affinity screening and inhibition profiling showed great promises for a successful screening of bioactive compounds from natural sources. This review summarises the recent progress of separation-based methods for TYR inhibitors screening, with an emphasis on the principle, application, advantage, and drawback of each method along with perspectives in the future development of these screening techniques and screened hit compounds.
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Affiliation(s)
- Xiao-Wei Zhang
- Department of Neurological Surgery, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Guang-Li Bian
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Pei-Ying Kang
- Department of Clinical Laboratory, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xin-Jie Cheng
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kai Yan
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - Yong-Li Liu
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - Yan-Xia Gao
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - De-Qiang Li
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
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6
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Gao Y, Peng H, Li L, Wang F, Meng J, Huang H, Wang S, Li PCH, Sun Y. Screening of high-efficiency and low-toxicity antitumor active components in Macleaya cordata seeds based on the competitive effect of drugs on double targets by a new laminar flow chip. Analyst 2021; 146:4934-4944. [PMID: 34254080 DOI: 10.1039/d1an00754h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
It is urgent to obtain targeted drugs that selectively bind to pathological targets rather than physiological targets in the early stage of drug screening. G-Quadruplex has become one of the important targets in the development of anti-tumor drugs. However, drugs that target quadruplexes may also bind to dsDNA, which may lead to adverse reactions. In this study, a new three-phase laminar flow chip was constructed to enable the multi-components of a traditional Chinese medicine extract to dynamically and competitively bind with G-quadruplex DNA (on target) and double-stranded DNA (off target), so as to select high-efficiency and low-toxicity anti-tumor drugs. The results showed that there were five compounds in the extracts of Macleaya cordata seeds that exhibited obvious differences in binding to the two targets. Furthermore, the binding constants and modes of four identified alkaloids as they bound to two DNA targets were verified by fluorescence spectra and molecular docking methods. The toxicity to HepG2 and LO2 cells from the four alkaloids was also compared. The results showed that sanguinarine and chelerythrine could be used as candidate drugs with stronger binding to HT24 than DNA26. The chip can also be used for other types of double-target screening of other traditional Chinese medicine extracts or compound libraries.
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Affiliation(s)
- Yan Gao
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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7
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Development of a new nano arginase HPLC capillary column for the fast screening of arginase inhibitors and evaluation of their binding affinity. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1175:122751. [PMID: 33991957 DOI: 10.1016/j.jchromb.2021.122751] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 11/21/2022]
Abstract
A simple and rapid Nano LC method has been developed for the screening of arginase inhibitors. The method is based on the immobilization of biotinylated arginase on a neutravidin functionalized nano HPLC capillary column. The arginase immobilization step performed by frontal analysis is very fast and only takes a few minutes. The miniaturized capillary column of 170 nL (length 5 cm, internal diameter 75 μm) significantly decreased the required amount of used enzyme (25 pmol). This was of significance importance when working with less available or expensive purified enzyme. Non-selective adsorption of the organic monolith matrix was reduced (<6%) and the arginase efficient yield was high (92%). The resultant affinity capillary columns showed excellent repeatability and long lifetime. The arginase reaction product was achieved within 60 s and the immobilized arginase retained 97% of the initial activity beyond 90 days. This novel approach can thus be used for the fast evaluation of recognition assay induced bya series of inhibitor molecules (caffeic acid phenylamide, chlorogenic acid, piceatannol, nor-NOHA acetate) and plant extracts.
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8
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Qu Y, Zhan Q, Du S, Ding Y, Fang B, Du W, Wu Q, Yu H, Li L, Huang W. Catalysis-based specific detection and inhibition of tyrosinase and their application. J Pharm Anal 2020; 10:414-425. [PMID: 33133725 PMCID: PMC7591782 DOI: 10.1016/j.jpha.2020.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 07/11/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023] Open
Abstract
Tyrosinase is an important enzyme in controlling the formation of melanin in melanosome, and plays a key role in the pigmentation of hair and skin. The abnormal expression or activation of tyrosinase is associated with several diseases such as albinism, vitiligo, melanoma and Parkinson disease. Excessive deposition of melanin could cause diseases such as freckles and brown spots in the human body, and it is also closely related to browning of fruits and vegetables and insect molting. Detecting and inhibiting the activity of tyrosinase is of extraordinary value in the progress of diagnosis and treatment of these diseases. Therefore, many selective optical detection probes and small molecular inhibitors have been developed, and have made significant contributions to the basic and clinical research on these diseases. In this paper, the detection and inhibition of tyrosinase and their application in whitening products are reviewed, with special emphasis on development of fluorescent probes and inhibitors. Hopefully, this review will help design more efficient and sensitive tyrosinase probes and inhibitors, as well as shed light on novel treatment of diseases such as melanoma. The abnormal expression or activation of tyrosinase is the pathogenesis of several diseases such as albinism, vitiligo, and melanoma. Detecting and inhibiting tyrosinase activity is of great value in the diagnosis and treatment of these diseases. The detection/inhibition of tyrosinase and its application in whitening products are reviewed, with special emphasis on probes/inhibitors.
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Affiliation(s)
- Yunwei Qu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China
| | - Qing Zhan
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China
| | - Shubo Du
- Department of Chemistry, National University of Singapore, Singapore
| | - Yang Ding
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China
| | - Bin Fang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Wei Du
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Qiong Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China
| | - Haidong Yu
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, PR China.,Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
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9
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Tyrosinase-mediated dopamine polymerization modified magnetic alginate beads for dual-enzymes encapsulation: Preparation, performance and application. Colloids Surf B Biointerfaces 2020; 188:110800. [PMID: 31958620 DOI: 10.1016/j.colsurfb.2020.110800] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/24/2019] [Accepted: 01/13/2020] [Indexed: 01/05/2023]
Abstract
In this study, a simple and efficient method to obtain entrapment of mixtures of double enzymes is developed. As a proof of principle, double enzymes (tyrosinase (TYR) and β-glucosidase (β-Glu)) were co-immobilized in magnetic alginate-polydopamine (PDA) beads using in situ TYR-mediated dopamine polymerization and internal setting strategy-mediated magnetic alginate-PDA gelation. The leakage of enzymes from the magnetic alginate beads was significantly reduced by exploiting the double network cross-linking of alginate and PDA, which was induced by the d-(+)-Gluconic acid δ-lactone (GDL) and TYR, respectively. The physicochemical properties of the prepared magnetic alginate beads were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis. After that, the enzymatic reaction conditions and the performance of the entrapped TYR and β-Glu, such as enzyme kinetics and inhibition kinetics, were investigated. The Michaelis-Menten constants (Km) of the entrapped TYR and β-Glu were determined as 2.72 and 3.45 mM, respectively. The half-maximal inhibitory concentrations (IC50) of kojic acid and castanospermine for the entrapped TYR and β-Glu were determined as 13.04 and 56.23 μM, respectively. Finally, the entrapped double enzymes magnetic alginate beads were successfully applied to evaluate the inhibitory potency of six kinds of tea polyphenols extracts. Black tea and white tea showed high inhibition activity against TYR were (36.14 ± 1.43)% and (36.76 ± 2.35)%, respectively, while the black tea and dark tea showed high inhibition activity against β-Glu were (37.89 ± 6.70)% and (21.28 ± 4.68)%, respectively.
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10
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Zhu Y, Chen Q, Shao L, Jia Y, Zhang X. Microfluidic immobilized enzyme reactors for continuous biocatalysis. REACT CHEM ENG 2020. [DOI: 10.1039/c9re00217k] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
This review investigates strategies for employing μ-IMERs for continuous biocatalysis via a top-down approach.
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Affiliation(s)
- Yujiao Zhu
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
| | - Qingming Chen
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
| | - Liyang Shao
- Department of Electrical and Electronic Engineering
- Southern University of Science and Technology
- Shenzhen
- China
| | - Yanwei Jia
- State Key Laboratory of Analog and Mixed Signal VLSI
- Institute of Microelectronics
- University of Macau
- Macau
- China
| | - Xuming Zhang
- Department of Applied Physics
- The Hong Kong Polytechnic University
- Hong Kong
- China
- The Hong Kong Polytechnic University Shenzhen Research Institute
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11
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Zolghadri S, Bahrami A, Hassan Khan MT, Munoz-Munoz J, Garcia-Molina F, Garcia-Canovas F, Saboury AA. A comprehensive review on tyrosinase inhibitors. J Enzyme Inhib Med Chem 2019; 34:279-309. [PMID: 30734608 PMCID: PMC6327992 DOI: 10.1080/14756366.2018.1545767] [Citation(s) in RCA: 511] [Impact Index Per Article: 102.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 12/17/2022] Open
Abstract
Tyrosinase is a multi-copper enzyme which is widely distributed in different organisms and plays an important role in the melanogenesis and enzymatic browning. Therefore, its inhibitors can be attractive in cosmetics and medicinal industries as depigmentation agents and also in food and agriculture industries as antibrowning compounds. For this purpose, many natural, semi-synthetic and synthetic inhibitors have been developed by different screening methods to date. This review has focused on the tyrosinase inhibitors discovered from all sources and biochemically characterised in the last four decades.
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Affiliation(s)
- Samaneh Zolghadri
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | - Asieh Bahrami
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
| | | | - J. Munoz-Munoz
- Group of Microbiology, Department of Applied Sciences, Northumbria University at Newcastle, Newcastle Upon Tyne, UK
| | - F. Garcia-Molina
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - F. Garcia-Canovas
- GENZ-Group of Research on Enzymology, Department of Biochemistry and Molecular Biology-A, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Espinardo, Murcia, Spain
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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12
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Zhang C, Woolfork AG, Suh K, Ovbude S, Bi C, Elzoeiry M, Hage DS. Clinical and pharmaceutical applications of affinity ligands in capillary electrophoresis: A review. J Pharm Biomed Anal 2019; 177:112882. [PMID: 31542417 DOI: 10.1016/j.jpba.2019.112882] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/07/2019] [Accepted: 09/10/2019] [Indexed: 01/14/2023]
Abstract
Affinity capillary electrophoresis (ACE) is a separation technique that combines a biologically-related binding agent with the separating power and efficiency of capillary electrophoresis. This review will examine several classes of binding agents that have been used in ACE and applications that have been described for the resulting methods in clinical or pharmaceutical analysis. Binding agents that will be considered are antibodies, aptamers, lectins, serum proteins, carbohydrates, and enzymes. This review will also describe the various formats in which each type of binding agent has been used in CE, including both homogeneous and heterogeneous methods. Specific areas of applications that will be considered are CE-based immunoassays, glycoprotein/glycan separations, chiral separations, and biointeraction studies. The general principles and formats of ACE for each of these applications will be examined, along with the potential advantages or limitations of these methods.
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Affiliation(s)
- Chenhua Zhang
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - Ashley G Woolfork
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - Kyungah Suh
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - Susan Ovbude
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - Cong Bi
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - Marawan Elzoeiry
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA
| | - David S Hage
- Department of Chemistry, University of Nebraska, Lincoln, NE, 68588-0304, USA.
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13
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Liu X, Azhar I, Khan H, Qu Q, Tian M, Yang L. Capillary electrophoresis-immobilized enzyme microreactors for acetylcholinesterase assay with surface modification by highly-homogeneous microporous layer. J Chromatogr A 2019; 1609:460454. [PMID: 31443966 DOI: 10.1016/j.chroma.2019.460454] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/04/2019] [Accepted: 08/12/2019] [Indexed: 12/31/2022]
Abstract
We propose a new capillary electrophoresis (CE)-based open-tubular immobilized enzyme microreactor (OT-IMER) and its application in acetylcholinesterase (AChE) assays. The IMER is fabricated at the capillary inlet (reactor length of ∼1 cm) with the inner surface modified by a micropore-structured layer (thickness of ∼220 nm, pore size of ∼15-20 nm). The use of IMER accomplishes the enzymatic reaction and separation/detection of the products in the same capillary within 3 min. The feasibility of the proposed method is evaluated via online analysis of the activity and inhibition of AChE enzymes. Such method exhibits good reproducibility with relative standard deviation (RSD) of less than 4% for 20 runs, and the enzyme remains over 82% of the initial activity after usage of 7 days. The IMERs are successfully applied to detect the organophosphorus pesticide, paraoxon, in three types of vegetable juice samples with a limit of detection of as low as 61 ng mL-1. Results show that the spiked samples are in the range of 89.6-105.9% with RSD less than 2.7%, thereby indicating its satisfactory level of accurate and reliable analysis of real samples by using the proposed method. Our study indicates that, with combination of advantages of both porous-layer capillary and CE OT-IMER, the proposed method is capable to enhance enzymatic reactions and to achieve rapid analysis with simple instrumentation and operation, thus would pave the way for extensive application of CE-based IMERs in a variety of bioanalysis.
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Affiliation(s)
- Xin Liu
- Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Department of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin Province, 130024, China
| | - Irfan Azhar
- Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Department of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin Province, 130024, China
| | - Habib Khan
- Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Department of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin Province, 130024, China
| | - Qishu Qu
- Key Laboratory of Functional Molecule Design and Interface Process, School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei, 230601, China
| | - Miaomiao Tian
- Institute of Chemical and Industrial Bioengineering, Jilin Engineering Normal University, Changchun, Jilin Province, 130052, China.
| | - Li Yang
- Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Department of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin Province, 130024, China.
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14
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Guo J, Lin H, Wang J, Lin Y, Zhang T, Jiang Z. Recent advances in bio-affinity chromatography for screening bioactive compounds from natural products. J Pharm Biomed Anal 2019; 165:182-197. [DOI: 10.1016/j.jpba.2018.12.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 12/01/2018] [Accepted: 12/07/2018] [Indexed: 01/02/2023]
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15
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Immobilized Enzyme Reactors: an Overview of Applications in Drug Discovery from 2008 to 2018. Chromatographia 2018. [DOI: 10.1007/s10337-018-3663-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Gattu S, Crihfield CL, Lu G, Bwanali L, Veltri LM, Holland LA. Advances in enzyme substrate analysis with capillary electrophoresis. Methods 2018; 146:93-106. [PMID: 29499329 PMCID: PMC6098732 DOI: 10.1016/j.ymeth.2018.02.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/01/2018] [Accepted: 02/05/2018] [Indexed: 02/06/2023] Open
Abstract
Capillary electrophoresis provides a rapid, cost-effective platform for enzyme and substrate characterization. The high resolution achievable by capillary electrophoresis enables the analysis of substrates and products that are indistinguishable by spectroscopic techniques alone, while the small volume requirement enables analysis of enzymes or substrates in limited supply. Furthermore, the compatibility of capillary electrophoresis with various detectors makes it suitable for KM determinations ranging from nanomolar to millimolar concentrations. Capillary electrophoresis fundamentals are discussed with an emphasis on the separation mechanisms relevant to evaluate sets of substrate and product that are charged, neutral, and even chiral. The basic principles of Michaelis-Menten determinations are reviewed and the process of translating capillary electrophoresis electropherograms into a Michaelis-Menten curve is outlined. The conditions that must be optimized in order to couple off-line and on-line enzyme reactions with capillary electrophoresis separations, such as incubation time, buffer pH and ionic strength, and temperature, are examined to provide insight into how the techniques can be best utilized. The application of capillary electrophoresis to quantify enzyme inhibition, in the form of KI or IC50 is detailed. The concept and implementation of the immobilized enzyme reactor is described as a means to increase enzyme stability and reusability, as well as a powerful tool for screening enzyme substrates and inhibitors. Emerging techniques focused on applying capillary electrophoresis as a rapid assay to obtain structural identification or sequence information about a substrate and in-line digestions of peptides and proteins coupled to mass spectrometry analyses are highlighted.
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Affiliation(s)
- Srikanth Gattu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States
| | - Cassandra L Crihfield
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States
| | - Grace Lu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States
| | - Lloyd Bwanali
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States
| | - Lindsay M Veltri
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States
| | - Lisa A Holland
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, United States.
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17
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Cheng M, Chen Z. Recent advances in screening of enzymes inhibitors based on capillary electrophoresis. J Pharm Anal 2018; 8:226-233. [PMID: 30140486 PMCID: PMC6104152 DOI: 10.1016/j.jpha.2018.05.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/31/2018] [Accepted: 05/09/2018] [Indexed: 12/13/2022] Open
Abstract
Capillary electrophoresis with many advantages plays an important role in pharmaceutical analysis and drug screening. This review gives an overview on the recent advances in the developments and applications of capillary electrophoresis in the field of enzyme inhibitor screening. The period covers 2013 to 2017. Both the pre-capillary enzyme assays and in-capillary enzyme assays which include electrophoretically mediated microanalysis (EMMA) and immobilized enzyme microreactor (IMER) are summarized in this article.
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18
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Schejbal J, Glatz Z. Immobilized-enzyme reactors integrated with capillary electrophoresis for pharmaceutical research. J Sep Sci 2017; 41:323-335. [DOI: 10.1002/jssc.201700905] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/22/2017] [Accepted: 09/22/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Jan Schejbal
- Department of Biochemistry, Faculty of Science; Masaryk University; Brno Czech Republic
| | - Zdeněk Glatz
- Department of Biochemistry, Faculty of Science; Masaryk University; Brno Czech Republic
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19
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Fayad S, Morin P, Nehmé R. Use of chromatographic and electrophoretic tools for assaying elastase, collagenase, hyaluronidase, and tyrosinase activity. J Chromatogr A 2017; 1529:1-28. [PMID: 29132826 DOI: 10.1016/j.chroma.2017.11.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 10/20/2017] [Accepted: 11/01/2017] [Indexed: 01/01/2023]
Abstract
Elastase, collagenase, hyaluronidase and tyrosinase, are very interesting enzymes due to their direct implication in skin aging and as therapeutic hits. Different techniques can be used to study these enzymes and to evaluate the influence of effectors on their kinetics. Nowadays, analytical techniques have become frequently used tools for miniaturizing enzyme assays. The main intention of this article is to review chromatographic and electrophoretic tools that study the four enzymes above mentioned. More specifically, the use of high-performance liquid chromatography and capillary electrophoresis and their derivative techniques for monitoring these enzymes will be investigated. The advantages and limitations of these assays will also be discussed. The original use of microscale thermophoresis and thin layer chromatography in this domain will also be covered.
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Affiliation(s)
- Syntia Fayad
- Institut de Chimie Organique et Analytique (ICOA), Université d'Orléans - CNRS, UMR 7311, Orléans, France
| | - Philippe Morin
- Institut de Chimie Organique et Analytique (ICOA), Université d'Orléans - CNRS, UMR 7311, Orléans, France
| | - Reine Nehmé
- Institut de Chimie Organique et Analytique (ICOA), Université d'Orléans - CNRS, UMR 7311, Orléans, France.
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20
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Ma H, Bai Y, Li J, Chang YX. Screening bioactive compounds from natural product and its preparations using capillary electrophoresis. Electrophoresis 2017; 39:260-274. [DOI: 10.1002/elps.201700239] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Huifen Ma
- Tianjin State Key Laboratory of Modern Chinese Medicine; Tianjin University of Traditional Chinese Medicine; Tianjin P. R. China
- Key Laboratory of Formula of Traditional Chinese Medicine (Tianjin University of Traditional Chinese Medicine); Ministry of Education; Tianjin P. R. China
| | - Yun Bai
- Tianjin State Key Laboratory of Modern Chinese Medicine; Tianjin University of Traditional Chinese Medicine; Tianjin P. R. China
- Key Laboratory of Formula of Traditional Chinese Medicine (Tianjin University of Traditional Chinese Medicine); Ministry of Education; Tianjin P. R. China
| | - Jin Li
- Tianjin State Key Laboratory of Modern Chinese Medicine; Tianjin University of Traditional Chinese Medicine; Tianjin P. R. China
| | - Yan-xu Chang
- Tianjin State Key Laboratory of Modern Chinese Medicine; Tianjin University of Traditional Chinese Medicine; Tianjin P. R. China
- Key Laboratory of Formula of Traditional Chinese Medicine (Tianjin University of Traditional Chinese Medicine); Ministry of Education; Tianjin P. R. China
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21
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Liu DM, Yang JL, Ha W, Chen J, Shi YP. Kinetics and inhibition study of tyrosinase by pressure mediated microanalysis. Anal Biochem 2017; 525:54-59. [DOI: 10.1016/j.ab.2017.02.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Revised: 02/22/2017] [Accepted: 02/27/2017] [Indexed: 11/28/2022]
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22
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Cheng M, Chen Z. Screening of tyrosinase inhibitors by capillary electrophoresis with immobilized enzyme microreactor and molecular docking. Electrophoresis 2016; 38:486-493. [PMID: 27862041 DOI: 10.1002/elps.201600367] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/23/2016] [Accepted: 10/24/2016] [Indexed: 12/22/2022]
Abstract
A new method for screening tyrosinase inhibitors from traditional Chinese medicines (TCMs) was successfully developed by capillary electrophoresis with reliable online immobilized enzyme microreactor (IMER). In addition, molecular docking study has been used for supporting inhibition interaction between enzyme and inhibitors. The IMER of tyrosinase was constructed at the outlet of the capillary by using glutaraldehyde as cross-linker. The parameters including enzyme reaction, separation of the substrate and product, and the performance of immobilized tyrosinase were investigated systematically. Because of using short-end injection procedure, the product and substrate were effectively separated within 2 min. The immobilized tyrosinase could remain 80% active for 30 days at 4°C. The Michaelis-Menten constant of tyrosinase was determined as 1.78 mM. Kojic acid, a known tyrosinase inhibitor, was used as a model compound for the validation of the inhibitors screening method. The half-maximal inhibitory concentration of kojic acid was 5.55 μM. The method was successfully applied for screening tyrosinase inhibitors from 15 compounds of TCM. Four compounds including quercetin, kaempferol, bavachinin, and bakuchiol were found having inhibitory potentials. The results obtained in this work were supported by molecular docking study.
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Affiliation(s)
- Mengxia Cheng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and Wuhan University School of Pharmaceutical Sciences, Wuhan, P. R., China.,State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing, P. R., China
| | - Zilin Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and Wuhan University School of Pharmaceutical Sciences, Wuhan, P. R., China.,State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing, P. R., China
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23
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Laurenti E, dos Santos Vianna Jr. A. Enzymatic microreactors in biocatalysis: history, features, and future perspectives. ACTA ACUST UNITED AC 2016. [DOI: 10.1515/boca-2015-0008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractMicrofluidic reaction devices are a very promising technology for chemical and biochemical processes. In microreactors, the micro dimensions, coupled with a high surface area/volume ratio, permit rapid heat exchange and mass transfer, resulting in higher reaction yields and reaction rates than in conventional reactors. Moreover, the lower energy consumption and easier separation of products permit these systems to have a lower environmental impact compared to macroscale, conventional reactors. Due to these benefits, the use of microreactors is increasing in the biocatalysis field, both by using enzymes in solution and their immobilized counterparts. Following an introduction to the most common applications of microreactors in chemical processes, a broad overview will be given of the latest applications in biocatalytic processes performed in microreactors with free or immobilized enzymes. In particular, attention is given to the nature of the materials used as a support for the enzymes and the strategies employed for their immobilization. Mathematical and engineering aspects concerning fluid dynamics in microreactors were also taken into account as fundamental factors for the optimization of these systems.
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24
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Tang L, Zhang W, Zhao H, Chen Z. Tyrosinase inhibitor screening in traditional Chinese medicines by electrophoretically mediated microanalysis. J Sep Sci 2015; 38:2887-92. [DOI: 10.1002/jssc.201500371] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 05/10/2015] [Accepted: 05/11/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Lilin Tang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University; Wuhan China
- State Key Laboratory of Transducer Technology; Chinese Academy of Sciences; Beijing China
| | - Wenpeng Zhang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University; Wuhan China
| | - Haiyan Zhao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University; Wuhan China
| | - Zilin Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Ministry of Education, and School of Pharmaceutical Sciences, Wuhan University; Wuhan China
- State Key Laboratory of Transducer Technology; Chinese Academy of Sciences; Beijing China
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25
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26
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LIU DM, SHI YP, CHEN J. Application of Capillary Electrophoresis in Enzyme Inhibitors Screening. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2015. [DOI: 10.1016/s1872-2040(15)60826-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Magnetic separation techniques in sample preparation for biological analysis: A review. J Pharm Biomed Anal 2014; 101:84-101. [DOI: 10.1016/j.jpba.2014.04.017] [Citation(s) in RCA: 187] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Revised: 04/10/2014] [Accepted: 04/14/2014] [Indexed: 11/16/2022]
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28
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Skin permeation and comparative evaluation of gentisic acid ester derivatives as skin-lightening agents. J Drug Deliv Sci Technol 2014. [DOI: 10.1016/s1773-2247(14)50034-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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