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Tangtawewipat T, Thanachasai S. Amperometric bienzymatic biosensor in flow injection analysis system for determination of aspartame in foods. Food Sci Biotechnol 2024; 33:343-354. [PMID: 38222917 PMCID: PMC10786783 DOI: 10.1007/s10068-023-01347-5] [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: 01/27/2023] [Revised: 04/29/2023] [Accepted: 05/16/2023] [Indexed: 01/16/2024] Open
Abstract
An amperometric bienzymatic biosensor was developed for the determination of aspartame in a flow injection analysis (FIA) system, consisting of two enzyme reactor columns packed with immobilized α-chymotrypsin (CHY) and alcohol oxidase (AOX) beads and a hydrogen peroxide electrode, connected in series. The CHY and AOX were separately immobilized on glutaraldehyde (GA)-activated beads through covalent bonding. The biosensor fabrication and operational conditions were optimized. The optimal fabrication conditions were: 2% GA with 120 min activation time; and 250 U/mL CHY and 100 U/mL AOX, with 180 min enzyme immobilization time. The optimal operational conditions were a flow rate of 0.5 mL/min and pH 8.0 at room temperature. The developed biosensor showed linearity over the aspartame concentration range 0.01-1.2 mM, with a detection limit of 0.005 mM. The developed biosensor was satisfactorily applied for detecting aspartame in beverage samples without any excessive pretreatments.
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Affiliation(s)
- Tanaporn Tangtawewipat
- Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, 10900 Thailand
| | - Saipin Thanachasai
- Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, 10900 Thailand
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2
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Artico M, Roux C, Peruch F, Mingotaud AF, Montanier CY. Grafting of proteins onto polymeric surfaces: A synthesis and characterization challenge. Biotechnol Adv 2023; 64:108106. [PMID: 36738895 DOI: 10.1016/j.biotechadv.2023.108106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
This review aims at answering the following question: how can a researcher be sure to succeed in grafting a protein onto a polymer surface? Even if protein immobilization on solid supports has been used industrially for a long time, hence enabling natural enzymes to serve as a powerful tool, emergence of new supports such as polymeric surfaces for the development of so-called intelligent materials requires new approaches. In this review, we introduce the challenges in grafting protein on synthetic polymers, mainly because compared to hard surfaces, polymers may be sensitive to various aqueous media, depending on the pH or reductive molecules, or may exhibit state transitions with temperature. Then, the specificity of grafting on synthetic polymers due to difference of chemical functions availability or difference of physical properties are summarized. We present next the various available routes to covalently bond the protein onto the polymeric substrates considering the functional groups coming from the monomers used during polymerization reaction or post-modification of the surfaces. We also focus our review on a major concern of grafting protein, which is avoiding the potential loss of function of the immobilized protein. Meanwhile, this review considers the different methods of characterization used to determine the grafting efficiency but also the behavior of enzymes once grafted. We finally dedicate the last part of this review to industrial application and future prospective, considering the sustainable processes based on green chemistry.
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Affiliation(s)
- M Artico
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France; TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - C Roux
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France
| | - F Peruch
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, Pessac, France
| | - A-F Mingotaud
- Laboratory IMRCP, CNRS UMR 5623, University Paul Sabatier, Toulouse, France.
| | - C Y Montanier
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France.
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3
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Kanubaddi KR, Yang CL, Huang PY, Lin CY, Tai DF, Lee CH. Peptide conformational imprints enhanced the catalytic activity of papain for esterification. Front Bioeng Biotechnol 2022; 10:943751. [PMID: 36051592 PMCID: PMC9424681 DOI: 10.3389/fbioe.2022.943751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Peptide conformational imprints (PCIs) offer a promising perspective to directly generate binding sites for preserving enzymes with high catalytic activity and stability. In this study, we synthesized a new chiral cross-linker cost-effectively for controlling the matrix morphology of PCIs on magnetic particles (PCIMPs) to stabilize their recognition capability. Meanwhile, based on the flank part of the sequences on papain (PAP), three epitope peptides were selected and synthesized. Molecularly imprinted polymers (MIPs) were then fabricated in the presence of the epitope peptide using our new cross-linker on magnetic particles (MPs) to generate PCIMPs. PCIMPs were formed with helical cavities that complement the PAP structure to adsorb specifically at the targeted position of PAP. PCIMPs65–79 were found to have the best binding parameters to the PAP with Kd = 0.087 μM and Bmax = 4.56 μM. Upon esterification of N-Boc-His-OH, proton nuclear magnetic resonance (1H-NMR) was used to monitor the yield of the reaction and evaluate the activity of PAP/PCIMPs. The kinetic parameters of PAP/PCIMPs65–79 were calculated as Vmax = 3.0 μM s−1, Km = 5 × 10−2 M, kcat = 1.1 × 10–1 s−1, and kcat/Km = 2.2 M−1 s−1. In addition, PAP is bound tightly to PCIMPs to sustain its activity after four consecutive cycles.
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Affiliation(s)
- Kiran Reddy Kanubaddi
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, Taiwan
| | - Ching-Lun Yang
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
| | - Pei-Yu Huang
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
| | - Chung-Yin Lin
- Medical Imaging Research Center, Institute for Radiological Research, Chang Gung University, Taoyuan, Taiwan
- Department of Neurology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- *Correspondence: Chung-Yin Lin, ; Dar-Fu Tai,
| | - Dar-Fu Tai
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
- *Correspondence: Chung-Yin Lin, ; Dar-Fu Tai,
| | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, Taiwan
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Zhang HR, Ma WX, Han XY, Chen GE, Xu ZL, Mao HF. Self-adhesive PMIA membranes with chitosan porous beads immobilized pullulanase for efficient biological aging of beer. Colloids Surf B Biointerfaces 2022; 218:112720. [DOI: 10.1016/j.colsurfb.2022.112720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/26/2022] [Accepted: 07/23/2022] [Indexed: 11/28/2022]
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Sharma VK, Sharma M, Usmani Z, Pandey A, Singh BN, Tabatabaei M, Gupta VK. Tailored enzymes as next-generation food-packaging tools. Trends Biotechnol 2022; 40:1004-1017. [PMID: 35144849 DOI: 10.1016/j.tibtech.2022.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 12/17/2022]
Abstract
Enzymes have the potential for biotransformation in the food industry. Engineering tools can be used to develop tailored enzymes for food-packaging systems that perform well and retain their activity under adverse conditions. Consequently, novel tailored enzymes have been produced to improve or include new and useful characteristics for intelligent food-packaging systems. This review discusses the protein-engineering tools applied to create new functionality in food-packaging enzymes. The challenges in applications and anticipated directions for future developments are also highlighted. The development and discovery of tailored enzymes for smart food packaging is a promising way to ensure safe and high-quality food products.
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Affiliation(s)
- Vivek K Sharma
- Pharmacology Division, CSIR-National Botanical Research Institute Rana Pratap Marg, PO 436 Lucknow 226001, India
| | - Minaxi Sharma
- Laboratoire de Chimie verte et Produits Biobasés, Haute Ecole Provinciale du Hainaut-Condorcet, Département Agro Bioscience et Chimie, 11, rue de la Sucrerie, 7800 Ath, Belgium; Department of Applied Biology, University of Science and Technology, Meghalaya 793101, India
| | - Zeba Usmani
- Department of Applied Biology, University of Science and Technology, Meghalaya 793101, India
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute for Toxicology Research, Lucknow-226001, Uttar Pradesh, India; Centre for Energy and Environmental Sustainability, Lucknow-226 029, Uttar Pradesh, India; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun-248 007, Uttarakhand, India
| | - Brahma N Singh
- Pharmacology Division, CSIR-National Botanical Research Institute Rana Pratap Marg, PO 436 Lucknow 226001, India.
| | - Meisam Tabatabaei
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia; Henan Province Engineering Research Center for Forest Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, SRUC, Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK; Center for Safe and Improved Food, SRUC, Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK.
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Chen Z, Xie HY, Chen GE, Xu SJ, Xu ZL, Li YJ, Mao HF. Self-adhesive PMIA membranes with virus-like silica immobilized lipase for efficient biological aging of Chinese liquor. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118990] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Enzymatic degradation of ginkgolic acids by laccase immobilized on core/shell Fe 3O 4/nylon composite nanoparticles using novel coaxial electrospraying process. Int J Biol Macromol 2021; 172:270-280. [PMID: 33418049 DOI: 10.1016/j.ijbiomac.2021.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/29/2020] [Accepted: 01/01/2021] [Indexed: 02/06/2023]
Abstract
Enzyme immobilization can increase enzyme reusability to reduce cost of industrial production. Ginkgo biloba leaf extract is commonly used for medical purposes, but it contains ginkgolic acid, which has negative effects on human health. Here, we report a novel approach to solve the problem by degrading the ginkgolic acid with immobilized-laccase, where core/shell composite nanoparticles prepared by coaxial electrospraying might be first applied to enzyme immobilization. The core/shell Fe3O4/nylon 6,6 composite nanoparticles (FNCNs) were prepared using one-step coaxial electrospraying and can be simply recovered by magnetic force. The glutaraldehyde-treated FNCNs (FNGCNs) were used to immobilize laccase. As a result, thermal stability of the free laccase was significantly improved in the range of 60-90 °C after immobilization. The laccase-immobilized FNGCNs (L-FNGCNs) were applied to degrade the ginkgolic acids, and the rate constants (k) and times (τ50) were ~0.02 min-1 and lower than 39 min, respectively, showing good catalytic performance. Furthermore, the L-FNGCNs exhibited a relative activity higher than 0.5 after being stored for 21 days or reused for 5 cycles, showing good storage stability and reusability. Therefore, the FNGCNs carrier was a promising enzyme immobilization system and its further development and applications were of interest.
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Bilal M, Ashraf SS, Cui J, Lou WY, Franco M, Mulla SI, Iqbal HMN. Harnessing the biocatalytic attributes and applied perspectives of nanoengineered laccases-A review. Int J Biol Macromol 2021; 166:352-373. [PMID: 33129906 DOI: 10.1016/j.ijbiomac.2020.10.195] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 10/24/2020] [Indexed: 02/08/2023]
Abstract
In the recent past, numerous new types of nanostructured carriers, as support matrices, have been engineered to advance the traditional enzyme immobilization strategies. The current research aimed to develop a robust enzyme-based biocatalytic platform and its effective deployment in the industrial biotechnology sectors at large and catalysis area, in particular, as low-cost biocatalytic systems. Suitable coordination between the target enzyme molecules and surface pendent multifunctional entities of nanostructured carriers has led an effective and significant contribution in myriad novel industrial, biotechnological, and biomedical applications. As compared to the immobilization on planar two-dimensional (2-D) surface, the unique physicochemical, structural and functional attributes of nano-engineered matrices, such as high surface-to-volume ratio, surface area, robust chemical and mechanical stability, surface pendant functional groups, outstanding optical, thermal, and electrical characteristics, resulted in the concentration of the immobilized entity being substantially higher, which is highly requisite from applied bio-catalysis perspective. Besides inherited features, nanostructured materials-based enzyme immobilization aided additional features, such as (1) ease in the preparation or green synthesis route, (2) no or minimal use of surfactants and harsh reagents, (3) homogeneous and well-defined core-shell nanostructures with thick enzyme shell, and (4) nano-size can be conveniently tailored within utility limits, as compared to the conventional enzyme immobilization. Moreover, the growing catalytic needs can be fulfilled by multi-enzymes co-immobilization on these nanostructured materials-based support matrices. This review spotlights the unique structural and functional attributes of several nanostructured materials, including carbon nanotubes, graphene, and its derivate constructs, nanoparticles, nanoflowers, and metal-organic frameworks as robust matrices for laccase immobilization. The later half of the review focuses on the applied perspective of immobilized laccases for the degradation of emergent contaminants, biosensing cues, and lignin deconstruction and high-value products.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - S Salman Ashraf
- Department of Chemistry, College of Arts and Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Jiandong Cui
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, China
| | - Wen-Yong Lou
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
| | - Marcelo Franco
- Department of Exact and Technological Sciences, State University of Santa Cruz, 45654-370 Ilhéus, Brazil
| | - Sikandar I Mulla
- Department of Biochemistry, School of Applied Sciences, REVA University, Bangalore 560064, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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Smith S, Goodge K, Delaney M, Struzyk A, Tansey N, Frey M. A Comprehensive Review of the Covalent Immobilization of Biomolecules onto Electrospun Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2142. [PMID: 33121181 PMCID: PMC7692479 DOI: 10.3390/nano10112142] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 01/08/2023]
Abstract
Biomolecule immobilization has attracted the attention of various fields such as fine chemistry and biomedicine for their use in several applications such as wastewater, immunosensors, biofuels, et cetera. The performance of immobilized biomolecules depends on the substrate and the immobilization method utilized. Electrospun nanofibers act as an excellent substrate for immobilization due to their large surface area to volume ratio and interconnectivity. While biomolecules can be immobilized using adsorption and encapsulation, covalent immobilization offers a way to permanently fix the material to the fiber surface resulting in high efficiency, good specificity, and excellent stability. This review aims to highlight the various covalent immobilization techniques being utilized and their benefits and drawbacks. These methods typically fall into two categories: (1) direct immobilization and (2) use of crosslinkers. Direct immobilization techniques are usually simple and utilize the strong electrophilic functional groups on the nanofiber. While crosslinkers are used as an intermediary between the nanofiber substrate and the biomolecule, with some crosslinkers being present in the final product and others simply facilitating the reactions. We aim to provide an explanation of each immobilization technique, biomolecules commonly paired with said technique and the benefit of immobilization over the free biomolecule.
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Affiliation(s)
- Soshana Smith
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Katarina Goodge
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Michael Delaney
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Ariel Struzyk
- Robert Frederick Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; (M.D.); (A.S.)
| | - Nicole Tansey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
| | - Margaret Frey
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY 14853, USA; (K.G.); (N.T.); (M.F.)
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Chen HY, Cheng KC, Hsu RJ, Hsieh CW, Wang HT, Ting Y. Enzymatic degradation of ginkgolic acid by laccase immobilized on novel electrospun nanofiber mat. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:2705-2712. [PMID: 32003007 DOI: 10.1002/jsfa.10301] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 01/14/2020] [Accepted: 01/30/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Ginkgo biloba leaf extract contains many active ingredients that are beneficial for health. However, ginkgolic acid, one of the major components found in G. biloba extract, may cause serious allergic and toxic side effects. The purpose of this study is to immobilize the laccase system on the electrospun nylon fiber mat (NFM) to hydrolyze the ginkgolic acid in G. biloba leaf extract efficiently. RESULTS Novel electrospinning technology successfully produced high-quality nanoscopic fiber mats made of a mixture of multi-walled carbon nanotube and nylon 6,6. Laccase that was immobilized onto the NFM exhibited much higher efficiency in the catalyzation of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) than nylon 6,6 pellets. After being immobilized onto the NFM, the pH and temperature stability of laccase were significantly improved. The NFM-immobilized laccase could maintain more than 50% of its original activity even after 40 days of storage or 10 operational cycles. The kinetic parameters, including rate constant (K), the time (τ50) in which 50% of ginkgolic acid hydrolysis was reached, the time (τcomplete) required to achieve complete ginkgolic acid hydrolysis, Km and Vmax were determined, and were 0.07 ± 0.01 min-1 , 8.97 ± 0.55 min, 45.45 ± 2.79 min, 0.51 ± 0.09 mM and 0.49 ± 0.03 mM min-1 mg-1 , respectively. CONCLUSION The result successfully demonstrated the strong potential of using novel electrospun nanofiber mats as enzyme immobilization platforms, which could significantly enhance enzyme activity and stability. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Hung-Yueh Chen
- Graduate Institute of Food Science Technology, National Taiwan University, Taipei, Taiwan
| | - Kuan-Chen Cheng
- Graduate Institute of Food Science Technology, National Taiwan University, Taipei, Taiwan
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung City, Taiwan
| | - Ren-Jun Hsu
- Cancer Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien City, Taiwan
- College of Medicine, Tzu Chi University, Hualien City, Taiwan
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City, Taiwan, Republic of China
| | - Hsueh-Ting Wang
- Graduate Institute of Food Science Technology, National Taiwan University, Taipei, Taiwan
| | - Yuwen Ting
- Graduate Institute of Food Science Technology, National Taiwan University, Taipei, Taiwan
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Fan PR, Zhao X, Wei ZH, Huang YP, Liu ZS. Robust immobilized enzyme reactor based on trimethylolpropane trimethacrylate organic monolithic matrix through “thiol-ene” click reaction. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2019.109456] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Li C, Gao L, Zhang Y, Simpson BK. Preparation of Quercetin Loaded Microparticles and their Antitumor Activity against Human Lung Cancer Cells (A549) in vitro. Curr Pharm Biotechnol 2019; 20:945-954. [PMID: 31264544 DOI: 10.2174/1573407215666190628145902] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/09/2019] [Accepted: 06/13/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND Novel quercetin-loaded microparticles (QM) were fabricated using coaxial electrospraying, characterized for surface morphology and release profile, and evaluated for antitumor activity in vitro. METHODS QM exhibited an average diameter of 1.69 ±1.13 mm, which was an appropriate size suitable for respiratory delivery. X-ray diffraction patterns showed that the components in QM existed in an amorphous physical form, leading to favorable interactions between the drug (quercetin), the polymer matrix (polyvinylpyrrolidone, PVP) and other excipients (sodium dodecyl sulfate and sucralose). RESULTS QM performed much faster release rate compared with free quercetin powder (Q) in vitro. Furthermore, QM also showed more potent inhibitory effects on A549 cell growth with reduced cell viability, decreased cell migration and induced more G0/G1 phase cell cycle arrest than Q. CONCLUSION Thus, the quercetin loaded microparticles exhibited more potent inhibitory effects than free quercetin on A549 cell. The increased antitumor activity could be attributed to the enhanced accumulation of quercetin in the A549 cells with the QM. However, further studies are necessary to elucidate the exact mechanisms.
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Affiliation(s)
- Chen Li
- School of Life Science, Shanxi University; No. 92, Wucheng Road, Taiyuan 030006, China
| | - Liufang Gao
- School of Life Science, Shanxi University; No. 92, Wucheng Road, Taiyuan 030006, China
| | - Yi Zhang
- Department of Food Science and Agricultural Chemistry, McGill University (Macdonald Campus); Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada
| | - Benjamin K Simpson
- Department of Food Science and Agricultural Chemistry, McGill University (Macdonald Campus); Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada
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Catalytic Activity of Immobilized Chymotrypsin on Hybrid Silica-Magnetic Biocompatible Particles and Its Application in Peptide Synthesis. Appl Biochem Biotechnol 2019; 190:1224-1241. [DOI: 10.1007/s12010-019-03158-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 10/23/2019] [Indexed: 02/07/2023]
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Thangaraj B, Solomon PR. Immobilization of Lipases – A Review. Part II: Carrier Materials. CHEMBIOENG REVIEWS 2019. [DOI: 10.1002/cben.201900017] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Baskar Thangaraj
- Jiangsu UniversitySchool of Food and Biological Engineering 301 Xuefu road 212013 Zhenjiang Jiangsu Province China
| | - Pravin Raj Solomon
- SASTRA Deemed UniversitySchool of Chemical & Biotechnology, Tirumalaisamudram 613401 Thanjavur Tamil Nadu India
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Celik Bedeloglu A, Islek Cin Z. Functional sol-gel coated electrospun polyamide 6,6/ZnO composite nanofibers. JOURNAL OF POLYMER ENGINEERING 2019. [DOI: 10.1515/polyeng-2019-0099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Polymer-based nanofibers are good candidates for medical textiles due to their excellent properties including high surface area, breathability and flexibility. Doping polymer nanofibers with different nanoparticles enhances their existing properties. In this study, electrospun polyamide 6,6 (PA6,6) composite nanofibers containing ZnO nanoparticles (<50 nm) in different amounts (1%, 3% and 5%) were first produced by electrospinning technique; then, these nanofibers were coated with sol-gel ZnO solution (0.5 m) via dip coating method at 1000, 3000 and 5000 μm/s speeds. The sol-gel coating process increased the breaking strength of nanofiber mats, while the incorporation of ZnO nanoparticles into the polymer nanofibers reduced. Compared to pure PA6,6 nanofiber mats, the ZnO sol-gel coated samples and doped nanofibers had lower reflectance values. In addition, the reflection values decreased as the additive and coating speed increased.
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Affiliation(s)
- Ayse Celik Bedeloglu
- Department of Fiber and Polymer Engineering , Bursa Technical University , Mimar Sinan Mahallesi, Mimar Sinan Bulvarı Eflak Caddesi no.: 177 , Bursa 16310 , Turkey , e-mail:
| | - Zeynep Islek Cin
- Department of Fiber and Polymer Engineering , Bursa Technical University , Mimar Sinan Mahallesi, Mimar Sinan Bulvarı Eflak Caddesi no.: 177 , Bursa 16310 , Turkey
- Bursa Test and Analysis Laboratory, TUBITAK BUTAL , Bursa 16190 , Turkey
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16
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Chemical, physical, and biological coordination: An interplay between materials and enzymes as potential platforms for immobilization. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.02.024] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Cloete WJ, Hayward S, Swart P, Klumperman B. Degradation of Proteins and Starch by Combined Immobilization of Protease, α-Amylase and β-Galactosidase on a Single Electrospun Nanofibrous Membrane. Molecules 2019; 24:molecules24030508. [PMID: 30708952 PMCID: PMC6384644 DOI: 10.3390/molecules24030508] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 01/28/2023] Open
Abstract
Two commercially available enzymes, Dextrozyme (α-amylase) and Esperase (protease), were covalently immobilized on non-woven electrospun poly(styrene-co-maleic anhydride) nanofiber mats with partial retention of their catalytic activity. Immobilization was achieved for the enzymes on their own as well as in different combinations with an additional enzyme, β-galactosidase, on the same non-woven nanofiber mat. This experiment yielded a universal method for immobilizing different combinations of enzymes with nanofibrous mats containing maleic anhydride (MAnh) residues in the polymer backbone.
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Affiliation(s)
- William J Cloete
- Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
| | - Stefan Hayward
- Department of Biochemistry, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
| | - Pieter Swart
- Department of Biochemistry, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
| | - Bert Klumperman
- Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
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Tang W, Chen C, Sun W, Wang P, Wei D. Low-cost mussel inspired poly(Catechol/Polyamine) modified magnetic nanoparticles as a versatile platform for enhanced activity of immobilized enzyme. Int J Biol Macromol 2019; 128:814-824. [PMID: 30708009 DOI: 10.1016/j.ijbiomac.2019.01.161] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/28/2019] [Accepted: 01/28/2019] [Indexed: 12/17/2022]
Abstract
Owing to dopamine's excellent adhesion ability and easy modification, it has been widely applied for enzyme immobilization, while the high cost of dopamine and low activity recovery of immobilized enzyme highly impede large-scale application of immobilized enzyme. We herein developed a low-cost and ideal activity recovery enzyme immobilization strategy based on magnetic nanoparticles by replacing dopamine with cheap Catechol/tetraethylene pentamine (CPA) binary system and introducing spacer-arms. In brief, CPA was first polymerized and deposited on the surface of magnetic nanoparticles with a modified mussel-inspired method, and the generated poly(CPA) layer was further functionalized with ethylene glycol diglycidyl ether (EGDE) molecules as spacer-arms for enzyme immobilization. Subsequently, lipases as model enzymes were firmly immobilized on the surface of such amino-epoxy functionalized magnetic materials through ion exchange and covalent attachment with 180.6 mg/g support of loading capacity and 69.2% of activity recovery under the optimized conditions. Furthermore, the immobilized lipase exhibited the improved tolerance rang of pH, temperature and storage stability as well as excellent reusability. Most strikingly, the theoretical simulation and secondary structure analysis of immobilized lipase revealed that the biocompatible microenvironment and flexible tethering at interface could effectively improve performance of the immobilized enzyme and stability. Thus, this novel immobilized enzyme strategy will open up a new perspective for the development of enzyme immobilization and lower the cost of immobilized enzyme in large-scale industrial application.
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Affiliation(s)
- Wen Tang
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Chao Chen
- State Key Laboratory of Bioreactor Engineering, Biomedical Nanotechnology Center, School of Biotechnology, East China University of Science and Technology, Shanghai 200237, People's Republic of China.
| | - Wen Sun
- State Key Laboratory of Bioreactor Engineering, Biomedical Nanotechnology Center, School of Biotechnology, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Ping Wang
- State Key Laboratory of Bioreactor Engineering, Biomedical Nanotechnology Center, School of Biotechnology, East China University of Science and Technology, Shanghai 200237, People's Republic of China; Department of Bioproducts and Biosystems Engineering, University of Minnesota, St Paul, MN 55108, USA
| | - Dongzhi Wei
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, No. 130 Meilong Road, Shanghai 200237, People's Republic of China.
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19
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20
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Cohen JL, Karav S, Barile D, de Moura Bell JMLN. Immobilization of an Endo-β- N-acetylglucosaminidase for the Release of Bioactive N-glycans. Catalysts 2018; 8. [PMID: 30881698 PMCID: PMC6419974 DOI: 10.3390/catal8070278] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
As more is learned about glycoproteins' roles in human health and disease, the biological functionalities of N-linked glycans are becoming more relevant. Protein deglycosylation allows for the selective release of N-glycans and facilitates glycoproteomic investigation into their roles as prebiotics or anti-pathogenic factors. To increase throughput and enzyme reusability, this work evaluated several immobilization methods for an endo-β-N-acetylglucosaminidase recently discovered from the commensal Bifidobacterium infantis. Ribonuclease B was used as a model glycoprotein to compare N-glycans released by the free and immobilized enzyme. Amino-based covalent method showed the highest enzyme immobilization. Relative abundance of N-glycans and enzyme activity were determined using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Kinetic evaluation demonstrated that upon immobilization, both Vmax and the Km decreased. Optimal pH values of 5 and 7 were identified for the free and immobilized enzyme, respectively. Although a higher temperature (65 vs. 45 °C) favored rapid glycan release, the immobilized enzyme retained over 50% of its original activity after seven use cycles at 45 °C. In view of future applications in the dairy industry, we investigated the ability of this enzyme to deglycosylate whey proteins. The immobilized enzyme released a higher abundance of neutral glycans from whey proteins, while the free enzyme released more sialylated glycans, determined by nano-LC Chip Q-ToF MS.
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Affiliation(s)
- Joshua L Cohen
- Department of Food Science and Technology, University of California, One Shields Avenue, Davis, CA 95616, USA; (J.L.C.); (D.B.)
| | - Sercan Karav
- Department of Molecular Biology and Genetics, Canakkale Onsekiz Mart University, 17100 Canakkale, Turkey;
| | - Daniela Barile
- Department of Food Science and Technology, University of California, One Shields Avenue, Davis, CA 95616, USA; (J.L.C.); (D.B.)
- Foods for Health Institute, University of California, One Shields Avenue, Davis, CA 95616, USA
| | - Juliana M L N de Moura Bell
- Department of Food Science and Technology, University of California, One Shields Avenue, Davis, CA 95616, USA; (J.L.C.); (D.B.)
- Department of Biological and Agricultural Engineering, University of California, One Shields Avenue, Davis, CA 95616, USA
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Electrospun epoxy-based nanofibrous membrane containing biocompatible feather polypeptide for highly stable and active covalent immobilization of lipase. Colloids Surf B Biointerfaces 2018; 166:277-285. [DOI: 10.1016/j.colsurfb.2018.03.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 03/23/2018] [Accepted: 03/24/2018] [Indexed: 12/25/2022]
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Song J, Lei T, Yang Y, Wu N, Su P, Yang Y. Attachment of enzymes to hydrophilic magnetic nanoparticles through DNA-directed immobilization with enhanced stability and catalytic activity. NEW J CHEM 2018. [DOI: 10.1039/c8nj00426a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient enzyme immobilization strategy based on DNA directed immobilization on hydrophilic polydopamine (PDA) modified magnetic nanoparticles was developed in this study.
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Affiliation(s)
- Jiayi Song
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Ting Lei
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Ye Yang
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Nan Wu
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Ping Su
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Yi Yang
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
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Aykut Y, Sevgi T, Demirkan E. Cellulose monoacetate/polycaprolactone and cellulose monoacetate/polycaprolactam blended nanofibers for protease immobilization. J Appl Polym Sci 2017. [DOI: 10.1002/app.45479] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yakup Aykut
- Textile Engineering Department, Engineering Faculty; Uludag University; Gorukle Bursa 16059 Turkey
| | - Tuba Sevgi
- Biology Department, Faculty of Science and Art; Uludag University; Gorukle Bursa 16059 Turkey
| | - Elif Demirkan
- Biology Department, Faculty of Science and Art; Uludag University; Gorukle Bursa 16059 Turkey
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