201
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BRITO FAED, FURTADO RF, BEZERRA LCR, FIGUEIREDO EATD, MELO AMA, ALVES CR, CHENG HN, BISWAS A. Effect of time and storage condition on the performance of an electrochemical immunosensor for Salmonella. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.91621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Affiliation(s)
| | | | | | | | | | | | | | - Atanu BISWAS
- National Center for Agricultural Utilization Research, USA
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202
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Zheng T, Yang L, Ding M, Huang C, Yao J. Metal-organic framework promoting high-solids enzymatic hydrolysis of untreated corncob residues. BIORESOURCE TECHNOLOGY 2022; 344:126163. [PMID: 34688859 DOI: 10.1016/j.biortech.2021.126163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
Metal-organic frameworks (MOFs) could serve as efficient matrixes to immobilize cellulase because of their high stability and porous morphology. Herein, the Zr-based MOFs (UiO-66 and UiO-66-NH2) assisted 20 wt% high-solids hydrolysis of untreated corncob residues (CRs) at low enzyme loading was investigated. Glucan hydrolysis yields increased to 60.55% and 71.47% by separately adding 4 g/L UiO-66 and UiO-66-NH2 at 5 FPU/g-glucan cellulase dosage. The maximum hydrolysis yield reached 90.01% at 10 FPU/g-glucan in the presence of 4 g/L UiO-66-NH2. Analysis of free protein concentration and cellulase activity suggested that MOFs effectively increased cellulase catalytic activity and stability, thus boosted CRs enzymatic hydrolysis efficiency. Additionally, UiO-66-NH2 immobilization gave a high catalytic activity because of the abundant anchor sites of NH2 groups. This research presents the promising future of MOFs' application in lignocellulosic biomass bioconversion and other areas requiring immobilized enzymes.
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Affiliation(s)
- Tianran Zheng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Luan Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Meili Ding
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Chen Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - Jianfeng Yao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
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203
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Giannakopoulou A, Chatzikonstantinou AV, Tsakni A, Chochos CL, Houhoula D, Stamatis H. A Bi-enzymatic Immobilized Nanobiocatalyst for the Biotransformation of Oleuropein to Hydroxytyrosol. Methods Mol Biol 2022; 2487:279-296. [PMID: 35687242 DOI: 10.1007/978-1-0716-2269-8_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Multi-enzymatic assemblies offer the opportunity of bringing in proximity several enzymes that are enabled to work together for the catalysis of multi-step reactions. Especially, the development of robust nanobiocatalytic systems comprising of several enzymes has gained considerable attention over the last few years for the catalysis of complex reactions and the production of high added-value products. In the present chapter, we describe the methodology for the development of a bi-enzymatic nanobiocatalyst consisting of the enzymes β-glucosidase from Thermotoga maritima and lipase A from Candida antarctica (CalA) co-immobilized on chitosan-coated magnetic nanoparticles. This nanobiocatalyst can be efficiently applied for the biotransformation of oleuropein to hydroxytyrosol, a reaction of increased biotechnological interest. Several techniques, as well as methodologies that are required for the characterization of the structure and the activity of such systems are also comprehensively described.
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Affiliation(s)
- Archontoula Giannakopoulou
- Biotechnology Laboratory, Department of Biological Applications and Technologies, University of Ioannina, Ioannina, Greece.
| | - Alexandra V Chatzikonstantinou
- Biotechnology Laboratory, Department of Biological Applications and Technologies, University of Ioannina, Ioannina, Greece
| | - Aliki Tsakni
- Department of Food Science and Technology, Faculty of Food Sciences, University of West Attica, Athens, Greece
| | - Christos L Chochos
- Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece
| | - Dimitra Houhoula
- Department of Food Science and Technology, Faculty of Food Sciences, University of West Attica, Athens, Greece
| | - Haralambos Stamatis
- Biotechnology Laboratory, Department of Biological Applications and Technologies, University of Ioannina, Ioannina, Greece.
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204
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Qiao W, Zhang Z, Qian Y, Xu L, Guo H. Bacterial laccase immobilized on a magnetic dialdehyde cellulose without cross-linking agents for decolorization. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127818] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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205
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Zhu Y, Chen Q, Tsoi CC, Huang X, El Abed A, Ren K, Leu SY, Zhang X. Biomimetic reusable microfluidic reactors with physically immobilized RuBisCO for glucose precursor production. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02038b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Reusable RuBisCO-immobilized microfluidic reactors are used to synthesize the glucose precursor from CO2 and restore >95% of activity after refreshing.
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Affiliation(s)
- Yujiao Zhu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, 999077, P. R. China
- Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, P. R. China
| | - Qingming Chen
- School of Microelectronics Science and Technology, Sun Yat-Sen University, Zhuhai, 519082, P. R. China
| | - Chi Chung Tsoi
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, 999077, P. R. China
| | - Xiaowen Huang
- State Key Laboratory of Biobased Material and Green Papermaking, Department of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, P. R. China
| | - Abdel El Abed
- Laboratoire Lumière Matière et Interfaces (LuMIn), Institut d'Alembert, ENS Paris Saclay, CentraleSupélec, CNRS, Université Paris-Saclay, 4 avenue des Sciences, 91190 Gif-sur-Yvette, France
| | - Kangning Ren
- Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, P. R. China
| | - Shao-Yuan Leu
- Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, 999077, P. R. China
| | - Xuming Zhang
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, 999077, P. R. China
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206
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Budhiraja M, Chudasama B, Ali A, Tyagi V. Production of a recyclable nanobiocatalyst to synthesize quinazolinone derivatives. RSC Adv 2022; 12:31734-31746. [DOI: 10.1039/d2ra04405f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022] Open
Abstract
Nanobiocatalysts (NBCs) are an emerging innovation that paves the way toward sustainable and eco-friendly endeavors.
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Affiliation(s)
- Meenakshi Budhiraja
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology (TIET), Patiala, Punjab, India
| | - Bhupendra Chudasama
- Center of Excellence for Emerging Materials, Thapar Institute of Engineering and Technology, Patiala-147004, India
- School of Physics and Materials Science, Thapar Institute of Engineering and Technology, Patiala-147004, India
| | - Amjad Ali
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology (TIET), Patiala, Punjab, India
- Center of Excellence for Emerging Materials, Thapar Institute of Engineering and Technology, Patiala-147004, India
| | - Vikas Tyagi
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology (TIET), Patiala, Punjab, India
- Center of Excellence for Emerging Materials, Thapar Institute of Engineering and Technology, Patiala-147004, India
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207
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Demirci S, Sahiner N. α-Glucosidase enzyme entrapped superporous poly(amphoteric) cryogel reactor with improved enzymatic activity and stability over wide pH ranges. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.11.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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208
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Pragya, Sharma KK, Kumar A, Singh D, Kumar V, Singh B. Immobilized phytases: an overview of different strategies, support material, and their applications in improving food and feed nutrition. Crit Rev Food Sci Nutr 2021; 63:5465-5487. [PMID: 34965785 DOI: 10.1080/10408398.2021.2020719] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Phytases are the most widely used food and feed enzymes, which aid in nutritional improvement by reducing anti-nutritional factor. Despite the benefits, enzymes usage in the industry is restricted by several factors such as their short life-span and poor reusability, which result in high costs for large-scale utilization at commercial scale. Furthermore, under pelleting conditions such as high temperatures, pH, and other factors, the enzyme becomes inactive due to lesser stability. Immobilization of phytases has been suggested as a way to overcome these limitations with improved performance. Matrices used to immobilize phytases include inorganic (Hydroxypatite, zeolite, and silica), organic (Polyacrylamide, epoxy resins, alginate, chitosan, and starch agar), soluble matrix (Polyvinyl alcohol), and nanomaterials including nanoparticles, nanofibers, nanotubes. Several surface analysis methods, including thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and FTIR analysis, have been used to characterize immobilized phytase. Immobilized phytases have been used in a broad range of biotechnological applications such as animal feed, biodegradation of food phytates, preparations of myo-inositol phosphates, and sulfoxidation by vanadate-substituted peroxidase. This article provides information on different matrices used for phytase immobilization from the last two decades, including the process of immobilization and support material, surface analysis techniques, and multifarious biotechnological applications of the immobilized phytases.
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Affiliation(s)
- Pragya
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Krishna Kant Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Anil Kumar
- Department of Botany, Pt. N.R.S. Govt. College, Rohtak, India
| | - Davender Singh
- Department of Physics, RPS Degree College, Mahendergarh, India
| | - Vijay Kumar
- Department of Botany, Shivaji College, University of Delhi, New Delhi, India
| | - Bijender Singh
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
- Department of Biotechnology, Central University of Haryana, Jant-Pali, India
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209
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El-Kady K, Raslan M, Zaki AH. Effect of Different TiO 2 Morphologies on the Activity of Immobilized Lipase for Biodiesel Production. ACS OMEGA 2021; 6:35484-35493. [PMID: 34984280 PMCID: PMC8717535 DOI: 10.1021/acsomega.1c04942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/29/2021] [Indexed: 06/14/2023]
Abstract
Lipase catalytic activity is greatly influenced by immobilization on nanoparticles. In this study, lipase from Aspergillus niger was immobilized on TiO2 nanoparticles with different morphologies: microspheres, nanotubes, and nanosheets. All TiO2 samples were prepared by a hydrothermal method. Lipase/TiO2 nanocomposites were prepared by a physical adsorption method through hydrophobic interactions. The prepared composites were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and high-resolution transmission electron microscopy (HRTEM). The catalytic activity of free and immobilized lipases was tested using sunflower oil in the presence of methanol to produce biodiesel at 40 °C for 90 min. The lipase immobilized on TiO2 microspheres showed the highest activity compared to the lipase immobilized on TiO2 nanotubes and nanosheets. To optimize the lipase-to-microsphere ratio, lipase was immobilized on TiO2 microspheres in different microspheres/lipase, w/w, (S/L) ratios of 1:1, 1:0.75, 1:0.5, and 1:0.25. It was noticed that the hydrolytic activity follows the order 1:0.25 > 1:0.5 > 1:75 > 1:1. The immobilization yield activities were found to be 113, 123, 125, and 130% for the microspheres/lipase (S/L) ratios of 1:1, 1:0.75, 1:0.5, and 1:0.25, respectively.
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Affiliation(s)
- Kholoud El-Kady
- Biotechnology
& Life Sciences Department, Faculty of Postgraduate Studies for
Advanced Sciences, Beni-Suef University, Beni-Suef 62521, Egypt
| | - Mai Raslan
- Biotechnology
& Life Sciences Department, Faculty of Postgraduate Studies for
Advanced Sciences, Beni-Suef University, Beni-Suef 62521, Egypt
| | - Ayman H. Zaki
- Materials
Science and Nanotechnology Department, Faculty of Postgraduate Studies
for Advanced Sciences, Beni-Suef University, Beni-Suef 62521, Egypt
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210
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Sun X, Zhang Y, Ma C, Yuan Q, Wang X, Wan H, Wang P. A Review of Recent Advances in Flexible Wearable Sensors for Wound Detection Based on Optical and Electrical Sensing. BIOSENSORS 2021; 12:10. [PMID: 35049637 PMCID: PMC8773881 DOI: 10.3390/bios12010010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 05/27/2023]
Abstract
Chronic wounds that are difficult to heal can cause persistent physical pain and significant medical costs for millions of patients each year. However, traditional wound care methods based on passive bandages cannot accurately assess the wound and may cause secondary damage during frequent replacement. With advances in materials science and smart sensing technology, flexible wearable sensors for wound condition assessment have been developed that can accurately detect physiological markers in wounds and provide the necessary information for treatment decisions. The sensors can implement the sensing of biochemical markers and physical parameters that can reflect the infection and healing process of the wound, as well as transmit vital physiological information to the mobile device through optical or electrical signals. Most reviews focused on the applicability of flexible composites in the wound environment or drug delivery devices. This paper summarizes typical biochemical markers and physical parameters in wounds and their physiological significance, reviews recent advances in flexible wearable sensors for wound detection based on optical and electrical sensing principles in the last 5 years, and discusses the challenges faced and future development. This paper provides a comprehensive overview for researchers in the development of flexible wearable sensors for wound detection.
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Affiliation(s)
- Xianyou Sun
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
| | - Yanchi Zhang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
| | - Chiyu Ma
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
| | - Qunchen Yuan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
| | - Xinyi Wang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
| | - Hao Wan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
- Binjiang Institute of Zhejiang University, Hangzhou 310053, China
| | - Ping Wang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (X.S.); (Y.Z.); (C.M.); (Q.Y.); (X.W.)
- Binjiang Institute of Zhejiang University, Hangzhou 310053, China
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211
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Kujawa J, Głodek M, Li G, Al-Gharabli S, Knozowska K, Kujawski W. Highly effective enzymes immobilization on ceramics: Requirements for supports and enzymes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149647. [PMID: 34467928 DOI: 10.1016/j.scitotenv.2021.149647] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/27/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Enzyme immobilization is a well-known method for the improvement of enzyme reusability and stability. To achieve very high effectiveness of the enzyme immobilization, not only does the method of attachment need to be optimized, but the appropriate support must be chosen. The essential necessities addressed to the support applied for enzyme immobilization can be focused on the material features as well as on the stability and resistances in certain conditions. Ceramic membranes and nanoparticles are the most widespread supports for enzyme immobilization. Hence, the immobilization of enzymes on ceramic membrane and nanoparticles are summarized and discussed. The important properties of the supports are particle size, pore structure, active surface area, volume to surface ratio, type and number of reactive available groups, as well as thermal, mechanical, and chemical stability. The modifiers and the crosslinkers are crucial to the enzyme loading amount, the chemical and physical stability, and the reusability and catalytical activity of the immobilized enzymes. Therefore, the chemical and physical methods of modification of ceramic materials are presented. The most popular and used modifiers (e.g. APTES, CPTES, VTES) as well as activating agents (GA, gelatin, EDC and/or NHS) applied to the grafting process are discussed. Moreover, functional groups of enzymes are presented and discussed since they play important roles in the enzyme immobilization via covalent bonding. The enhanced physical, chemical, and catalytical properties of immobilized enzymes are discussed revealing the positive balance between the effectiveness of the immobilization process, preservation of high enzyme activity, its good stability, and relatively low cost.
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Affiliation(s)
- Joanna Kujawa
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Marta Głodek
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Guoqiang Li
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Samer Al-Gharabli
- Pharmaceutical and Chemical Engineering Department, German-Jordanian University, Amman 11180, Jordan
| | - Katarzyna Knozowska
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland
| | - Wojciech Kujawski
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Toruń, Poland.
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212
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Brugnari T, Braga DM, Dos Santos CSA, Torres BHC, Modkovski TA, Haminiuk CWI, Maciel GM. Laccases as green and versatile biocatalysts: from lab to enzyme market-an overview. BIORESOUR BIOPROCESS 2021; 8:131. [PMID: 38650295 PMCID: PMC10991308 DOI: 10.1186/s40643-021-00484-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/07/2021] [Indexed: 11/10/2022] Open
Abstract
Laccases are multi-copper oxidase enzymes that catalyze the oxidation of different compounds (phenolics and non-phenolics). The scientific literature on laccases is quite extensive, including many basic and applied research about the structure, functions, mechanism of action and a variety of biotechnological applications of these versatile enzymes. Laccases can be used in various industries/sectors, from the environmental field to the cosmetics industry, including food processing and the textile industry (dyes biodegradation and synthesis). Known as eco-friendly or green enzymes, the application of laccases in biocatalytic processes represents a promising sustainable alternative to conventional methods. Due to the advantages granted by enzyme immobilization, publications on immobilized laccases increased substantially in recent years. Many patents related to the use of laccases are available, however, the real industrial or environmental use of laccases is still challenged by cost-benefit, especially concerning the feasibility of producing this enzyme on a large scale. Although this is a compelling point and the enzyme market is heated, articles on the production and application of laccases usually neglect the economic assessment of the processes. In this review, we present a description of laccases structure and mechanisms of action including the different sources (fungi, bacteria, and plants) for laccases production and tools for laccases evolution and prediction of potential substrates. In addition, we both compare approaches for scaling-up processes with an emphasis on cost reduction and productivity and critically review several immobilization methods for laccases. Following the critical view on production and immobilization, we provide a set of applications for free and immobilized laccases based on articles published within the last five years and patents which may guide future strategies for laccase use and commercialization.
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Affiliation(s)
- Tatiane Brugnari
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil.
| | - Dayane Moreira Braga
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
| | - Camila Souza Almeida Dos Santos
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
| | - Bruno Henrique Czelusniak Torres
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
| | - Tatiani Andressa Modkovski
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
| | - Charles Windson Isidoro Haminiuk
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
| | - Giselle Maria Maciel
- Biotechnology Laboratory, Department of Chemistry and Biology, Graduate Program in Environmental Science and Technology, Federal University of Technology, Paraná, Curitiba, Brazil
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213
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Komatsu T, Hishii K, Kimura M, Amaya S, Sakamoto H, Takamura E, Satomura T, Suye SI. Highly Efficient Multi-Step Oxidation Bioanode Using Microfluidic Channels. Int J Mol Sci 2021; 22:ijms222413503. [PMID: 34948296 PMCID: PMC8703374 DOI: 10.3390/ijms222413503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 11/16/2022] Open
Abstract
With the rapid decline of fossil fuels, various types of biofuel cells (BFCs) are being developed as an alternative energy source. BFCs based on multi-enzyme cascade reactions are utilized to extract more electrons from substrates. Thus, more power density is obtained from a single molucule of substrate. In the present study, a bioanode that could extract six electrons from a single molecule of L-proline via a three-enzyme cascade reaction was developed and investigated for its possible use in BFCs. These enzymes were immobilized on the electrode to ensure highly efficient electron transfer. Then, oriented immobilization of enzymes was achieved using two types of self-assembled monolayers (SAMs). In addition, a microfluidic system was incorporated to achieve efficient electron transfer. The microfluidic system, in which the electrodes were arranged in a tooth-shaped comb, allowed for substrates to be supplied continuously to the cascade, which resulted in smooth electron transfer. Finally, we developed a high-performance bioanode which resulted in the accumulation of higher current density compared to that of a gold disc electrode (205.8 μA cm−2: approximately 187 times higher). This presents an opportunity for using the bioanode to develop high-performance BFCs in the future.
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Affiliation(s)
- Tomohiro Komatsu
- Department of Advanced Interdisciplinary Science and Technology, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan;
| | - Kazuki Hishii
- Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan; (K.H.); (M.K.); (E.T.); (S.-i.S.)
| | - Michiko Kimura
- Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan; (K.H.); (M.K.); (E.T.); (S.-i.S.)
| | - Satoshi Amaya
- Department of Mechanical Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan;
| | - Hiroaki Sakamoto
- Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan; (K.H.); (M.K.); (E.T.); (S.-i.S.)
- Correspondence:
| | - Eiichiro Takamura
- Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan; (K.H.); (M.K.); (E.T.); (S.-i.S.)
| | - Takenori Satomura
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan;
| | - Shin-ichiro Suye
- Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan; (K.H.); (M.K.); (E.T.); (S.-i.S.)
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Trevisol TC, Henriques RO, Souza AJA, Furigo A. An overview of the use of proteolytic enzymes as exfoliating agents. J Cosmet Dermatol 2021; 21:3300-3307. [PMID: 34897928 DOI: 10.1111/jocd.14673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 11/29/2021] [Accepted: 12/02/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Proteolytic enzymes are biological catalysts that can compose cosmetic formulations: These enzymes are capable of mimicking the desquamation process of the skin, acting as exfoliants. Although enzymatic exfoliation is not new and commercial products were easily found, there is a lack of scientific literature about this topic. METHODS A search was carried out until 2021 in different scientific databases (Web of Science, Scopus, Scielo, PubMed, etc.). In vitro and in vivo studies that evaluated the application of enzymes aiming to exfoliate the skin or with a similar cosmetic or dermatological application were selected. RESULTS Only 11 articles were found, and, among them, few studies applied enzymes as exfoliants in clinical trials. Nevertheless, the results demonstrate that the enzymes can exfoliate the skin and improve some desired characteristics of the organ. Papain, bromelain, keratinases, and microbial proteases are some enzymes already applied as exfoliants. The study of pH, temperature, and stabilization of the enzymes in cosmetic formulations were also demonstrated to be important aspects to be evaluated, principally in preventing loss of enzyme activity and possible allergens/irritations on the skin. CONCLUSION This literature review showed the main aspects that should be evaluated before considering producing or applying proteolytic enzymes in exfoliation products/procedures. The use of enzymatic exfoliation has potential in the cosmetic industry. Hence, further robust in vivo studies are needed before the enzymatic exfoliation can be recommended with safety as a treatment modality in the current conditions.
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Affiliation(s)
- Thalles Canton Trevisol
- Department of Chemical and Food Engineering, Technological Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Rosana Oliveira Henriques
- Department of Chemical and Food Engineering, Technological Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Ana Júlia Antunes Souza
- Department of Chemical and Food Engineering, Technological Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Agenor Furigo
- Department of Chemical and Food Engineering, Technological Center, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
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Hussin NH, Wahab RA, Elias N, Jacob AG, Zainal-Abidin MH, Abdullah F, Sulaiman NJ, Misson M. Electrospun Magnetic Nanocellulose-Polyethersulfone-Conjugated Aspergillus oryzae Lipase for Synthesis of Ethyl Valerate. MEMBRANES 2021; 11:972. [PMID: 34940473 PMCID: PMC8707156 DOI: 10.3390/membranes11120972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 11/20/2022]
Abstract
A novel greener MNC/PES membrane was developed through an electrospinning technique for lipase immobilization to catalyze the synthesis of ethyl valerate (EV). In this study, the covalent immobilization of Aspergillus oryzae lipase (AOL) onto an electrospun nanofibrous membrane consisting of magnetic nanocellulose (MNC) and polyethersulfone (PES) to produce EV was statistically optimized. Raman spectroscopy, Fourier-transform infrared spectroscopy: attenuated total reflection, field emission scanning electron microscopy, energy dispersive X-ray spectroscopy, thermal gravimetric analysis (TGA), and differential thermal gravimetric (DTG) of MNC/PES-AOL demonstrated that AOL was successfully immobilized onto the fibers. The Taguchi design-assisted immobilization of AOL onto MNC/PES fibers identified that 1.10 mg/mL protein loading, 4 mL reaction volume, 250 rpm stirring rate, and 50 °C were optimal to yield 72.09% of EV in 24 h. The thermal stability of MNC/PES-AOL was improved by ≈20% over the free AOL, with reusability for up to five consecutive esterification cycles while demonstrating an exceptional half-life of 120 h. Briefly, the electrospun MNC/PES fibers that immobilized AOL showed promising applicability in yielding relatively good EV levels. This study suggests that using MNC as fillers in a PES to improve AOL activity and durability for a longer catalytic process could be a viable option.
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Affiliation(s)
- Nurul Hidayah Hussin
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
| | - Nursyafiqah Elias
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
| | - Adikwu Gowon Jacob
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
- Enzyme Technology and Green Synthesis Group, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia
- Department of Applied Chemistry, Federal University Dutsin-Ma (FUDMA), Dutsin-Ma P.M.B 5001, Katsina State, Nigeria
| | - Mohamad Hamdi Zainal-Abidin
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
| | - Faizuan Abdullah
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia; (N.H.H.); (N.E.); (A.G.J.); (M.H.Z.-A.); (F.A.)
| | - Nurul Jannah Sulaiman
- Department of Bioprocess & Polymer Engineering, School of Chemical & Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Johor, Malaysia;
| | - Mailin Misson
- Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
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216
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Label-Free, Rapid and Facile Gold-Nanoparticles-Based Assay as a Potential Spectroscopic Tool for Trastuzumab Quantification. NANOMATERIALS 2021; 11:nano11123181. [PMID: 34947531 PMCID: PMC8708960 DOI: 10.3390/nano11123181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/12/2021] [Accepted: 11/20/2021] [Indexed: 11/17/2022]
Abstract
Monoclonal antibody-based immunotherapy is one of the pillars of cancer treatment. However, for an efficient and personalized approach to the therapy, a quantitative evaluation of the right dose for each patient is required. In this study, we developed a simple, label-free, and rapid approach to quantify Trastuzumab, a humanized IgG1 monoclonal antibody used against human epidermal growth factor receptor 2 (HER2), overexpressed in breast cancer patients, based on localized surface plasmon resonance (LSPR). The central idea of this work was to use gold nanoparticles (AuNPs) as plasmonic scaffolds, decorated with HER2 binders mixed with oligo-ethylene glycol (OEG) molecules, to tune the surface density of the attached macromolecules and to minimize nonspecific binding events. Specifically, we characterized and optimized a self-assembled monolayer of mixed alkylthiols terminated with nitrilotriacetic acid (NTA), and OEG3 as a spacing ligand to achieve both excellent dispersibility and high reliability in protein immobilization. The successful immobilization of histidine-tagged HER2 (His-tagged HER2) on NTA via cobalt (II) chelates was demonstrated, confirming the fully functional attachment of the proteins to the AuNP surface. The proposed design demonstrates the capability of producing a clear readout that enables the transduction of a Trastuzumab/HER2 binding event into optical signals based on the wavelength shifts in LSPR, which allowed for detecting clinically relevant concentrations of Trastuzumab down to 300 ng/mL in the buffer and 2 µg/mL in the diluted serum. This strategy was found to be fast and highly specific to Trastuzumab. These findings make the present platform an auspicious tool for developing affordable bio-nanosensors.
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217
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da S. Pereira A, Souza CPL, Moraes L, Fontes-Sant’Ana GC, Amaral PFF. Polymers as Encapsulating Agents and Delivery Vehicles of Enzymes. Polymers (Basel) 2021; 13:polym13234061. [PMID: 34883565 PMCID: PMC8659040 DOI: 10.3390/polym13234061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/12/2021] [Accepted: 11/13/2021] [Indexed: 01/15/2023] Open
Abstract
Enzymes are versatile biomolecules with broad applications. Since they are biological molecules, they can be easily destabilized when placed in adverse environmental conditions, such as variations in temperature, pH, or ionic strength. In this sense, the use of protective structures, as polymeric capsules, has been an excellent approach to maintain the catalytic stability of enzymes during their application. Thus, in this review, we report the use of polymeric materials as enzyme encapsulation agents, recent technological developments related to this subject, and characterization methodologies and possible applications of the formed bioactive structures. Our search detected that the most explored methods for enzyme encapsulation are ionotropic gelation, spray drying, freeze-drying, nanoprecipitation, and electrospinning. α-chymotrypsin, lysozyme, and β-galactosidase were the most used enzymes in encapsulations, with chitosan and sodium alginate being the main polymers. Furthermore, most studies reported high encapsulation efficiency, enzyme activity maintenance, and stability improvement at pH, temperature, and storage. Therefore, the information presented here shows a direction for the development of encapsulation systems capable of stabilizing different enzymes and obtaining better performance during application.
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Affiliation(s)
- Adejanildo da S. Pereira
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Camila P. L. Souza
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Lidiane Moraes
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Gizele C. Fontes-Sant’Ana
- Biochemical Processes Technology Department, Chemistry Institute, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20550-013, Brazil;
| | - Priscilla F. F. Amaral
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
- Correspondence: ; Tel.: +55-21-3938-7623
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218
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Giri P, Pagar AD, Patil MD, Yun H. Chemical modification of enzymes to improve biocatalytic performance. Biotechnol Adv 2021; 53:107868. [PMID: 34774927 DOI: 10.1016/j.biotechadv.2021.107868] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 12/23/2022]
Abstract
Improvement in intrinsic enzymatic features is in many instances a prerequisite for the scalable applicability of many industrially important biocatalysts. To this end, various strategies of chemical modification of enzymes are maturing and now considered as a distinct way to improve biocatalytic properties. Traditional chemical modification methods utilize reactivities of amine, carboxylic, thiol and other side chains originating from canonical amino acids. On the other hand, noncanonical amino acid- mediated 'click' (bioorthogoal) chemistry and dehydroalanine (Dha)-mediated modifications have emerged as an alternate and promising ways to modify enzymes for functional enhancement. This review discusses the applications of various chemical modification tools that have been directed towards the improvement of functional properties and/or stability of diverse array of biocatalysts.
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Affiliation(s)
- Pritam Giri
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Amol D Pagar
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Mahesh D Patil
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81, PO Manauli, S.A.S. Nagar, Mohali 140306, Punjab, India
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
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219
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Figueiredo C, De Lacey AL, Pita M. Electrochemical studies of galactose oxidase. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
| | | | - Marcos Pita
- Instituto de Catálisis y Petroleoquímica CSIC Madrid Spain
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220
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Wang Y, Milewska M, Foster H, Chapman R, Stenzel MH. The Core-Shell Structure, Not Sugar, Drives the Thermal Stabilization of Single-Enzyme Nanoparticles. Biomacromolecules 2021; 22:4569-4581. [PMID: 34617439 DOI: 10.1021/acs.biomac.1c00871] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Trehalose is widely assumed to be the most effective sugar for protein stabilization, but exactly how unique the structure is and the mechanism by which it works are still debated. Herein, we use a polyion complex micelle approach to control the position of trehalose relative to the surface of glucose oxidase within cross-linked and non-cross-linked single-enzyme nanoparticles (SENs). The distribution and density of trehalose molecules in the shell can be tuned by changing the structure of the underlying polymer, poly(N-[3-(dimethylamino)propyl] acrylamide (PDMAPA). SENs in which the trehalose is replaced with sucrose and acrylamide are prepared as well for comparison. Isothermal titration calorimetry, dynamic light scattering, and asymmetric flow field-flow fraction in combination with multiangle light scattering reveal that two to six polymers bind to the enzyme. Binding either trehalose or sucrose close to the enzyme surface has very little effect on the thermal stability of the enzyme. By contrast, encapsulation of the enzyme within a cross-linked polymer shell significantly enhances its thermal stability and increases the unfolding temperature from 70.3 °C to 84.8 °C. Further improvements (up to 92.8 °C) can be seen when trehalose is built into this shell. Our data indicate that the structural confinement of the enzyme is a far more important driver in its thermal stability than the location of any sugar.
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Affiliation(s)
- Yiping Wang
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, UNSW Sydney, Kensington, New South Wales 2052, Australia
| | - Malgorzata Milewska
- Department of Organic Chemistry, Bioorganic Chemistry, and Biotechnology, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 4, Gliwice 44 100, Poland
| | - Henry Foster
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, UNSW Sydney, Kensington, New South Wales 2052, Australia
| | - Robert Chapman
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, UNSW Sydney, Kensington, New South Wales 2052, Australia.,School of Environmental and Life Sciences, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Martina H Stenzel
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, UNSW Sydney, Kensington, New South Wales 2052, Australia
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221
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Almeida MR, Cristóvão RO, Barros MA, Nunes JCF, Boaventura RAR, Loureiro JM, Faria JL, Neves MC, Freire MG, Santos-Ebinuma VC, Tavares APM, Silva CG. Superior operational stability of immobilized L-asparaginase over surface-modified carbon nanotubes. Sci Rep 2021; 11:21529. [PMID: 34728685 PMCID: PMC8563809 DOI: 10.1038/s41598-021-00841-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/19/2021] [Indexed: 11/09/2022] Open
Abstract
L-asparaginase (ASNase, EC 3.5.1.1) is an enzyme that catalyzes the L-asparagine hydrolysis into L-aspartic acid and ammonia, being mainly applied in pharmaceutical and food industries. However, some disadvantages are associated with its free form, such as the ASNase short half-life, which may be overcome by enzyme immobilization. In this work, the immobilization of ASNase by adsorption over pristine and modified multi-walled carbon nanotubes (MWCNTs) was investigated, the latter corresponding to functionalized MWCNTs through a hydrothermal oxidation treatment. Different operating conditions, including pH, contact time and ASNase/MWCNT mass ratio, as well as the operational stability of the immobilized ASNase, were evaluated. For comparison purposes, data regarding the ASNase immobilization with pristine MWCNT was detailed. The characterization of the ASNase-MWCNT bioconjugate was addressed using different techniques, namely Transmission Electron Microscopy (TEM), Thermogravimetric Analysis (TGA) and Raman spectroscopy. Functionalized MWCNTs showed promising results, with an immobilization yield and a relative recovered activity of commercial ASNase above 95% under the optimized adsorption conditions (pH 8, 60 min of contact and 1.5 × 10-3 g mL-1 of ASNase). The ASNase-MWCNT bioconjugate also showed improved enzyme operational stability (6 consecutive reaction cycles without activity loss), paving the way for its use in industrial processes.
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Affiliation(s)
- Mafalda R Almeida
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Raquel O Cristóvão
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Maria A Barros
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - João C F Nunes
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rui A R Boaventura
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - José M Loureiro
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Joaquim L Faria
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Márcia C Neves
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Mara G Freire
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Valéria C Santos-Ebinuma
- Department of Engineering Bioprocess and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University (Unesp), Araraquara, Brazil
| | - Ana P M Tavares
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Cláudia G Silva
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua do Dr. Roberto Frias, 4200-465, Porto, Portugal.
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Sharma N, Leung IKH. Characterisation and optimisation of a novel laccase from Sulfitobacter indolifex for the decolourisation of organic dyes. Int J Biol Macromol 2021; 190:574-584. [PMID: 34506861 DOI: 10.1016/j.ijbiomac.2021.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/19/2021] [Accepted: 09/01/2021] [Indexed: 11/25/2022]
Abstract
Laccases are multi‑copper oxidases that possess the potential for industrial wastewater treatments. In this study, a putative laccase from Sulfitobacter indolifex was recombinantly produced and characterised. The enzyme was found to be stable and active at low to ambient temperature and across a range of pH conditions. The ability of the putative bacterial laccase to catalyse the decolourisation of seven common industrial dyes was also examined. Our results showed that the putative laccase could efficiently decolourise Indigo Carmine, Coomassie Brilliant Blue R-250, Congo Red, Malachite Green and Alizarin in the presence of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) as a redox mediator. Furthermore, the use of enzyme immobilisation technology to improve the operational stability and reusability of the putative laccase was also investigated. We found that immobilising the enzyme through the cross-linked enzyme aggregate method significantly improved its tolerance towards extreme pH as well as the presence of organic solvents. This work expands the arsenal of bacterial laccases available for the bioremediation of dye-containing wastewater.
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Affiliation(s)
- Nabangshu Sharma
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland 1142, New Zealand
| | - Ivanhoe K H Leung
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland 1142, New Zealand; Centre for Green Chemical Science, The University of Auckland, Private Bag 92019, Victoria Street West, Auckland 1142, New Zealand; School of Chemistry, The University of Melbourne, Parkville, VIC 3010, Australia; Bio21 Molecular Science & Biotechnology Institute, The University of Melbourne, Parkville, VIC 3010, Australia.
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223
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Recent advances in carbon nanotubes-based biocatalysts and their applications. Adv Colloid Interface Sci 2021; 297:102542. [PMID: 34655931 DOI: 10.1016/j.cis.2021.102542] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/23/2022]
Abstract
Enzymes have been incorporated into a wide variety of fields and industries as they catalyze many biochemical and chemical reactions. The immobilization of enzymes on carbon nanotubes (CNTs) for generating nano biocatalysts with high stability and reusability is gaining great attention among researchers. Functionalized CNTs act as excellent support for effective enzyme immobilization. Depending on the application, the enzymes can be tailored using the various surface functionalization techniques on the CNTs to extricate the desirable characteristics. Aiming at the preparation of efficient, stable, and recyclable nanobiocatalysts, this review provides an overview of the methods developed to immobilize the various enzymes. Various applications of carbon nanotube-based biocatalysts in water purification, bioremediation, biosensors, and biofuel cells have been comprehensively reviewed.
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224
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Almeida FLC, Castro MPJ, Travália BM, Forte MBS. Erratum to “Trends in lipase immobilization: Bibliometric review and patent analysis” [Process Biochem. 110 (2021) 37–51]. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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225
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Almeida FLC, Castro MPJ, Travália BM, Forte MBS. Trends in lipase immobilization: Bibliometric review and patent analysis. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.07.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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226
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Ifra, Singh A, Saha S. High Adsorption of α-Glucosidase on Polymer Brush-Modified Anisotropic Particles Acquired by Electrospraying-A Combined Experimental and Simulation Study. ACS APPLIED BIO MATERIALS 2021; 4:7431-7444. [PMID: 35006717 DOI: 10.1021/acsabm.1c00682] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this particular contribution, we aim to immobilize a model enzyme such as α-glucosidase onto poly(DMAEMA) [poly(2-dimethyl amino ethyl methacrylate)] brush-modified anisotropic (cup- and disc-shaped) biocompatible polymeric particles. The anisotropic particles comprising a blend of PLA [poly(lactide)] and poly(MMA-co-BEMA) [poly((methyl methacrylate)-co-(2-(2-bromopropionyloxy) ethyl methacrylate)] were acquired by electrospraying, a scalable and convenient technique. We have also demonstrated the role of a swollen polymer brush grafted on the surface of cup-/disc-shaped particles via surface-initiated atom transfer radical polymerization in immobilizing an unprecedentedly high loading of enzyme [441 mg/g (cup)-589 mg/g (disc) of particles, 15-20 times higher than that of the literature-reported system] as compared to non-brush-modified particles. Circular dichroism spectroscopy was used to predict the structural changes of the enzyme upon immobilization onto the carrier particles. An enormously high amount of enzymes with preserved activity (∼85 ± 13% for cups and ∼78 ± 15% for discs) was found to adhere onto brush-modified particles at pH 7 via electrostatic adsorption. These findings were further explored at the atomistic level using a coarse-grained dissipative particle dynamics simulation approach, which exhibited excellent correlation with experimental results. In addition, accelerated particle separation was also achieved via magnetic force-induced aggregation within 20 min (without a centrifuge) by incorporating magnetic nanoparticles into disc-shaped particles while electrojetting. This further strengthens the technical feasibility of the process, which holds immense potential to be applied for various enzymes intended for several applications.
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Affiliation(s)
- Ifra
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Awaneesh Singh
- Department of Physics, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Sampa Saha
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
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227
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Strategies for the Immobilization of Eversa® Transform 2.0 Lipase and Application for Phospholipid Synthesis. Catalysts 2021. [DOI: 10.3390/catal11101236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Eversa® Transform 2.0 lipase (ET2) is a recent lipase formulation derived from the Thermomyces lanuginosus lipase cultivated on Aspergillus oryzae and specially designed for biodiesel production. Since it has not been available for a long time, research on the efficiency of this enzyme in other applications remains unexplored. Moreover, even though it has been launched as a free enzyme, its immobilization may extend the scope of ET2 applications. This work explored ET2 immobilization on octadecyl methacrylate beads (IB-ADS-3) and proved the efficiency of the derivatives for esterification of glycerophosphocholine (GPC) with oleic acid in anhydrous systems. ET2 immobilized via interfacial activation on commercial hydrophobic support Immobead IB-ADS-3 showed maximum enzyme loading of 160 mg/g (enzyme/support) and great stability for GPC esterification under 30% butanone and solvent-free systems. For reusability, yields above 63% were achieved after six reaction cycles for GPC esterification. Considering the very high enzyme loading and the number of reuses achieved, these results suggest a potential application of this immobilized biocatalyst for esterification reactions in anhydrous media. This study is expected to encourage the exploration of other approaches for this enzyme, thereby opening up several new possibilities.
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228
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Tripathi A, Harris KD, Elias AL. High surface area nitrogen-functionalized Ni nanozymes for efficient peroxidase-like catalytic activity. PLoS One 2021; 16:e0257777. [PMID: 34637444 PMCID: PMC8509884 DOI: 10.1371/journal.pone.0257777] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 09/09/2021] [Indexed: 11/25/2022] Open
Abstract
Nitrogen-functionalization is an effective means of improving the catalytic performances of nanozymes. In the present work, plasma-assisted nitrogen modification of nanocolumnar Ni GLAD films was performed using an ammonia plasma, resulting in an improvement in the peroxidase-like catalytic performance of the porous, nanostructured Ni films. The plasma-treated nanozymes were characterized by TEM, SEM, XRD, and XPS, revealing a nitrogen-rich surface composition. Increased surface wettability was observed after ammonia plasma treatment, and the resulting nitrogen-functionalized Ni GLAD films presented dramatically enhanced peroxidase-like catalytic activity. The optimal time for plasma treatment was determined to be 120 s; when used to catalyze the oxidation of the colorimetric substrate TMB in the presence of H2O2, Ni films subjected to 120 s of plasma treatment yielded a much higher maximum reaction velocity (3.7⊆10-8 M/s vs. 2.3⊆10-8 M/s) and lower Michaelis-Menten coefficient (0.17 mM vs. 0.23 mM) than pristine Ni films with the same morphology. Additionally, we demonstrate the application of the nanozyme in a gravity-driven, continuous catalytic reaction device. Such a controllable plasma treatment strategy may open a new door toward surface-functionalized nanozymes with improved catalytic performance and potential applications in flow-driven point-of-care devices.
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Affiliation(s)
- Anuja Tripathi
- National Research Council Canada, Nanotechnology Research Centre, Edmonton, Edmonton, Canada
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Canada
| | - Kenneth D. Harris
- National Research Council Canada, Nanotechnology Research Centre, Edmonton, Edmonton, Canada
- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
| | - Anastasia L. Elias
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Canada
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229
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Wong PY, Takeno A, Takahashi S, Phang SW, Baharum A. Crazing Effect on the Bio-Based Conducting Polymer Film. Polymers (Basel) 2021; 13:3425. [PMID: 34641240 PMCID: PMC8512443 DOI: 10.3390/polym13193425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/05/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
The biodegradability problem of polymer waste is one of the fatal pollutFions to the environment. Enzymes play an essential role in increasing the biodegradability of polymers. In a previous study, antistatic polymer film based on poly(lactic acid) (PLA) as a matrix and polyaniline (PAni) as a conductive filler, was prepared. To solve the problem of polymer wastes pollution, a crazing technique was applied to the prepared polymer film (PLA/PAni) to enhance the action of enzymes in the biodegradation of polymer. This research studied the biodegradation test based on crazed and non-crazed PLA/PAni films by enzymes. The presence of crazes in PLA/PAni film was evaluated using an optical microscope and scanning electron microscopy (SEM). The optical microscope displayed the crazed in the lamellae form, while the SEM image revealed microcracks in the fibrils form. Meanwhile, the tensile strength of the crazed PLA/PAni film was recorded as 19.25 MPa, which is almost comparable to the original PLA/PAni film with a tensile strength of 20.02 MPa. However, the Young modulus decreased progressively from 1113 MPa for PLA/PAni to 651 MPa for crazed PLA/PAni film, while the tensile strain increased 150% after crazing. The significant decrement in the Young modulus and increment in the tensile strain was due to the craze propagation. The entanglement was reduced and the chain mobility along the polymer chain increased, thus leading to lower resistance to deformation of the polymer chain and becoming more flexible. The presence of crazes in PLA/PAni film showed a substantial change in weight loss with increasing the time of degradation. The weight loss of crazed PLA/PAni film increased to 42%, higher than that of non-crazed PLA/PAni film with only 31%. The nucleation of crazes increases the fragmentation and depolymerization of PLA/PAni film that induced microbial attack and led to higher weight loss. In conclusion, the presence of crazes in PLA/PAni film significantly improved enzymes' action, speeding up the polymer film's biodegradability.
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Affiliation(s)
- Pei-Yi Wong
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia;
| | - Akiyoshi Takeno
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan; (A.T.); (S.T.)
| | - Shinya Takahashi
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan; (A.T.); (S.T.)
| | - Sook-Wai Phang
- Department of Physical Science, Faculty of Applied Sciences, Tunku Abdul Rahman University College, Jalan Genting Kelang, Kuala Lumpur 53300, Malaysia
| | - Azizah Baharum
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia;
- Polymer Research Center, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
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230
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Esimbekova EN, Kalyabina VP, Kopylova KV, Torgashina IG, Kratasyuk VA. Design of bioluminescent biosensors for assessing contamination of complex matrices. Talanta 2021; 233:122509. [PMID: 34215124 DOI: 10.1016/j.talanta.2021.122509] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/30/2021] [Accepted: 05/07/2021] [Indexed: 01/29/2023]
Abstract
The presence of potentially toxic xenobiotics in complex matrices has become rather the rule than the exception. Therefore, there is a need for highly sensitive inexpensive techniques for analyzing environmental and food matrices for toxicants. Enzymes are selectively sensitive to various toxic compounds, and, thus, they can be used as the basis for detection of contaminants in complex matrices. There are, however, a number of difficulties associated with the analysis of complex matrices using enzyme assays, including the necessity to take into account properties and effects of the natural components of the test media for accurate interpretation of results. The present study describes the six-stage procedure for designing new enzyme sensors intended for assessing the quality of complex matrices. This procedure should be followed both to achieve the highest possible sensitivity of the biosensor to potentially toxic substances and to minimize the effect of the uncontaminated components of complex mixtures on the activity of the biosensor. The proposed strategy has been tested in designing a bioluminescent biosensor for integrated rapid assessment of the safety of fruits and vegetables. The biosensor is based on the coupled enzyme system NAD(P)H:FMN-oxidoreductase and luciferase as the biorecognition element. The study describes methods and techniques for attaining the desired result in each stage. The proposed six-stage procedure for designing bioluminescent enzyme biosensors can be used to design the enzymatic biosensors based on other enzymes.
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Affiliation(s)
- Elena N Esimbekova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia.
| | - Valeriya P Kalyabina
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
| | - Kseniya V Kopylova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - Irina G Torgashina
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - Valentina A Kratasyuk
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
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231
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Rafeeq H, Hussain A, Tarar MHA, Afsheen N, Bilal M, Iqbal HMN. Expanding the bio-catalysis scope and applied perspectives of nanocarrier immobilized asparaginases. 3 Biotech 2021; 11:453. [PMID: 34616647 PMCID: PMC8486911 DOI: 10.1007/s13205-021-02999-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/18/2021] [Indexed: 02/08/2023] Open
Abstract
l-asparaginase is an essential enzyme in medicine and a well-known chemotherapeutic agent. This enzyme's importance is not limited to its use as an anti-cancer agent; it also has a wide variety of medicinal applications. Antimicrobial properties, prevention of infectious disorders, autoimmune diseases, and canine and feline cancer are among the applications. Apart from the healthcare industry, its importance has been identified in the food industry as a food manufacturing agent to lower acrylamide levels. When isolated from their natural habitats, they are especially susceptible to different denaturing conditions due to their protein composition. The use of an immobilization technique is one of the most common approaches suggested to address these limitations. Immobilization is a technique that involves fixing enzymes to or inside stable supports, resulting in a heterogeneous immobilized enzyme framework. Strong support structures usually stabilize the enzymes' configuration, and their functions are maintained as a result. In recent years, there has been a lot of curiosity and focus on the ability of immobilized enzymes. The nanomaterials with ideal properties can be used to immobilize enzymes to regulate key factors that determine the efficacy of bio-catalysis. With applications in biotechnology, immunosensing, biomedicine, and nanotechnology sectors have opened a realm of opportunities for enzyme immobilization.
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Affiliation(s)
- Hamza Rafeeq
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | - Asim Hussain
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | | | - Nadia Afsheen
- Department of Biochemistry, Riphah International University, Faisalabad, Pakistan
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai’an, 223003 China
| | - Hafiz M. N. Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, 64849 Monterrey, Mexico
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232
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Molina-Gutiérrez M, Alcaraz L, López FA, Rodríguez-Sánchez L, Martínez MJ, Prieto A. Immobilized Forms of the Ophiostoma piceae Lipase for Green Synthesis of Biodiesel. Comparison with Eversa Transform 2.0 and Cal A. J Fungi (Basel) 2021; 7:jof7100822. [PMID: 34682243 PMCID: PMC8539422 DOI: 10.3390/jof7100822] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/23/2021] [Accepted: 09/26/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, we analyzed the suitability of a versatile recombinant lipase, secreted by Ophiostoma piceae (OPEr) and produced in Pichia pastoris, as a catalyst of the synthesis of biodiesel. The enzyme was immobilized by five covalent procedures and by hydrophobicity on functionalized nanoparticles of magnetite or of a novel Zn/Mn oxide named G1. Then, they were tested for green production of biodiesel by solventless enzymatic transesterification of discarded cooking oil and methanol (1:4) at 25 °C. The results were compared with those shown by free OPEr and the commercial lipases Eversa® and Cal A®. Several preparations with immobilized OPEr produced high synthesis yields (>90% transesterification), comparable to those obtained with Eversa®, the commercial enzyme designed for this application. Three of the biocatalysts maintained their catalytic efficiency for nine cycles. The process catalyzed by AMNP-CH-OPEr was scaled from 500 µL to 25 mL (50 times), improving its efficiency.
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Affiliation(s)
- María Molina-Gutiérrez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - Lorena Alcaraz
- Centro Nacional de Investigaciones Metalúrgicas (CENIM), Consejo Superior de Investigaciones Científicas (CSIC), Av. Gregorio del Amo 8, 28040 Madrid, Spain; (L.A.); (F.A.L.)
| | - Félix A. López
- Centro Nacional de Investigaciones Metalúrgicas (CENIM), Consejo Superior de Investigaciones Científicas (CSIC), Av. Gregorio del Amo 8, 28040 Madrid, Spain; (L.A.); (F.A.L.)
| | - Leonor Rodríguez-Sánchez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - María Jesús Martínez
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
| | - Alicia Prieto
- Centro de Investigaciones Biológicas Margarita Salas (CIB-Margarita Salas), Consejo Superior de Investigaciones Científicas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain; (M.M.-G.); (L.R.-S.); (M.J.M.)
- Correspondence:
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233
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Mandari V, Devarai SK. Biodiesel Production Using Homogeneous, Heterogeneous, and Enzyme Catalysts via Transesterification and Esterification Reactions: a Critical Review. BIOENERGY RESEARCH 2021; 15:935-961. [PMID: 34603592 PMCID: PMC8476987 DOI: 10.1007/s12155-021-10333-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 09/11/2021] [Indexed: 06/01/2023]
Abstract
The excessive utilization of petroleum resources leads to global warming, crude oil price fluctuations, and the fast depletion of petroleum reserves. Biodiesel has gained importance over the last few years as a clean, sustainable, and renewable energy source. This review provides knowledge of biodiesel production via transesterification/esterification using different catalysts, their prospects, and their challenges. The intensive research on homogeneous chemical catalysts points to the challenges in using high free fatty acids containing oils, such as waste cooking oils and animal fats. The problems faced are soap formation and the difficulty in product separation. On the other hand, heterogeneous catalysts are more preferable in biodiesel synthesis due to their ease of separation and reusability. However, in-depth studies show the limited activity and selectivity issues. Using biomass waste-based catalysts can reduce the biodiesel production cost as the materials are readily available and cheap. The use of an enzymatic approach has gained precedence in recent times. Additionally, immobilization of these enzymes has also improved the statistics because of their excellent functional properties like easy separation and reusability. However, free/liquid lipases are also growing faster due to better mass transfer with reactants. Biocatalysts are exceptional in good selectivity and mild operational conditions, but attractive features are veiled with the operational costs. Nanocatalysts play a vital role in heterogeneous catalysis and lipase immobilization due to their excellent selectivity, reactivity, faster reaction rates owing to their higher surface area, and easy recovery from the products and reuse for several cycles.
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Affiliation(s)
- Venkatesh Mandari
- Industrial Bioprocess and Bioprospecting Laboratory, Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy District, Telangana 502285 India
| | - Santhosh Kumar Devarai
- Industrial Bioprocess and Bioprospecting Laboratory, Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy District, Telangana 502285 India
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234
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Jacob JJ, Suthindhiran K. Efficiency of Immobilized Enzymes on Bacterial Magnetosomes. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821050082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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235
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Chitosan: An Overview of Its Properties and Applications. Polymers (Basel) 2021; 13:polym13193256. [PMID: 34641071 PMCID: PMC8512059 DOI: 10.3390/polym13193256] [Citation(s) in RCA: 293] [Impact Index Per Article: 97.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/16/2021] [Accepted: 09/22/2021] [Indexed: 12/13/2022] Open
Abstract
Chitosan has garnered much interest due to its properties and possible applications. Every year the number of publications and patents based on this polymer increase. Chitosan exhibits poor solubility in neutral and basic media, limiting its use in such conditions. Another serious obstacle is directly related to its natural origin. Chitosan is not a single polymer with a defined structure but a family of molecules with differences in their composition, size, and monomer distribution. These properties have a fundamental effect on the biological and technological performance of the polymer. Moreover, some of the biological properties claimed are discrete. In this review, we discuss how chitosan chemistry can solve the problems related to its poor solubility and can boost the polymer properties. We focus on some of the main biological properties of chitosan and the relationship with the physicochemical properties of the polymer. Then, we review two polymer applications related to green processes: the use of chitosan in the green synthesis of metallic nanoparticles and its use as support for biocatalysts. Finally, we briefly describe how making use of the technological properties of chitosan makes it possible to develop a variety of systems for drug delivery.
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236
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Biswas S, Ghosh T, Kori DKK, Das AK. Bicomponent Coassembled Hydrogel as a Template for Selective Enzymatic Generation of DOPA. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10883-10889. [PMID: 34498463 DOI: 10.1021/acs.langmuir.1c00438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In living organisms, tyrosinase selectively produces l-DOPA from l-tyrosine. Here, a bicomponent hydrogel is used as a template for tyrosinase-catalyzed selective generation of l-DOPA from tyrosine. An amphiphilic molecule 1,5-diaminonaphthalene (DAN) coassembles with 1,3,5-benzenetricarboxylic acid (BTC) to form a self-supporting hydrogel. After alteration of complementary acids, DAN does not coassemble to form a hydrogel. The coassembly mechanism is investigated using spectroscopic techniques. The transmission electron microscopy and scanning electron microscopy images reveal the morphology details. The l-DOPA is kept from being oxidized when the hydrogel is used as a template. The enzymatically synthesized l-DOPA can also be separated from the mixture by easy tuning of the bicomponent coassembly.
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Affiliation(s)
- Sagar Biswas
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Tapas Ghosh
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Deepak K K Kori
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Apurba K Das
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
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237
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Miri S, Perez JAE, Brar SK, Rouissi T, Martel R. Sustainable production and co-immobilization of cold-active enzymes from Pseudomonas sp. for BTEX biodegradation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117678. [PMID: 34380234 DOI: 10.1016/j.envpol.2021.117678] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/13/2021] [Accepted: 06/27/2021] [Indexed: 05/09/2023]
Abstract
Toluene/o-Xylene Monooxygenase (ToMO) is equipped with a broad spectrum of aromatic substrate specificity (such as BTEX; benzene, toluene, ethylbenzene, and isomers of xylenes). TOMO has can hydroxylate more than a single position of aromatic rings in two consecutive monooxygenation reactions. Catechol 1,2-dioxygenase (C1,2D) is an iron-containing enzyme able to cleave the ring of catechol (the converted product from ToMO) for complete detoxification of BTEX. In this study, cold-active ToMO and C1,2D were produced using newly isolated psychrophilic Pseudomonas S2TR-14 in the minimal salt medium supplemented with crustacean waste and different concentrations of used motor oil (0.2-2% (v/v)). Crude ToMO and C1,2D were immobilized into micro/nano biochar-chitosan matrices and used for BTEX biodegradation. The results showed that the highest enzyme production (12 U/mg for ToMO and 22 U/mg for C1,2D) was achieved at the presence of 0.5% v/v used motor oil compared to the control group without motor oil (0.07 and 0.06 U/mg). High immobilization yield was achieved due to covalent bonding of ToMO (92.26% for micro matrix and 77.20% for nano matrix) and C1,2D (87.57% for micro matrix and 74.79% for nano matrix) with matrices. FTIR spectra confirmed the immobilization of enzymes on the surface of microbiochar and nanobiochar-chitosan matrices as proper support. The immobilization increased the storage stability of the enzymes with more than 50% residual activity after 30 days at 4 ± 1 °C, while the free form of enzymes had less than 10% of its activity. Immobilized enzymes degraded more than 80% of BTEX (~200 mg/L in groundwater and ~10,000 mg/kg in soil) at 10 ± 1 °C in groundwater and soil. Therefore, integrated use of microbiochar and nanobiochar with chitosan for co-immobilization of ToMO and C1,2D can be a potential way to remove petroleum hydrocarbons with higher efficiency from contaminated groundwater and soil.
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Affiliation(s)
- Saba Miri
- Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, Ontario, M3J 1P3, Canada; Institut National de La Recherche Scientifique, Centre-Eau, Terre et Environnement, 490, Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Jose Alberto Espejel Perez
- Department of Chemical Sciences, University La Salle Mexico, 45 Benjamin Franklin Cuauthmoc, Mexico City, ZP 06140, Mexico
| | - Satinder Kaur Brar
- Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, Ontario, M3J 1P3, Canada; Institut National de La Recherche Scientifique, Centre-Eau, Terre et Environnement, 490, Rue de La Couronne, Québec, G1K 9A9, Canada.
| | - Tarek Rouissi
- Institut National de La Recherche Scientifique, Centre-Eau, Terre et Environnement, 490, Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Richard Martel
- Institut National de La Recherche Scientifique, Centre-Eau, Terre et Environnement, 490, Rue de La Couronne, Québec, G1K 9A9, Canada
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238
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Nazarova EA, Yushkova ED, Ivanets AI, Prozorovich VG, Krivoshapkin PV, Krivoshapkina EF. α‐Amylase Immobilization on Ceramic Membranes for Starch Hydrolysis. STARCH-STARKE 2021. [DOI: 10.1002/star.202100017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Elena A. Nazarova
- SCAMT Institute ITMO University Lomonosova Street 9 St. Petersburg 191002 Russian Federation
| | - Ekaterina D. Yushkova
- SCAMT Institute ITMO University Lomonosova Street 9 St. Petersburg 191002 Russian Federation
| | - Andrei I. Ivanets
- Institute of General and Inorganic Chemistry of National Academy of Sciences of Belarus Surganova Street, 9/1 Minsk 220072 Belarus
| | - Vladimir G. Prozorovich
- Institute of General and Inorganic Chemistry of National Academy of Sciences of Belarus Surganova Street, 9/1 Minsk 220072 Belarus
| | - Pavel V. Krivoshapkin
- SCAMT Institute ITMO University Lomonosova Street 9 St. Petersburg 191002 Russian Federation
| | - Elena F. Krivoshapkina
- SCAMT Institute ITMO University Lomonosova Street 9 St. Petersburg 191002 Russian Federation
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239
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Gong W, Han Q, Chen Y, Wang B, Shi J, Wang L, Cai L, Meng Q, Zhang Z, Liu Q, Yang Y, Yang J, Zheng L, Li Y, Ma Y. A glucose biosensor based on glucose oxidase fused to a carbohydrate binding module family 2 tag that specifically binds to the cellulose-modified electrode. Enzyme Microb Technol 2021; 150:109869. [PMID: 34489028 DOI: 10.1016/j.enzmictec.2021.109869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 07/08/2021] [Accepted: 07/10/2021] [Indexed: 10/20/2022]
Abstract
The method of immobilization of glucose oxidase (GOD) on electrodes is especially important for the fabrication and performance of glucose biosensors. In this study, a carbohydrate binding module family 2 (CBM2) was successfully fused to the C terminal of GOD with a natural linker (NL) in endo-β-xylanase by genetic recombination, and a fusion GOD (GOD-NL-CBM2) was obtained. The CBM2 was used as an affinity adsorption tag for immobilization of the GOD-NL-CBM2 on a cellulose modified electrode. The specific activity of GOD-NL-CBM2 was comparable to that of the wild type GOD. In addition, the CBM2 tag of fusion GOD almost maintained its highest binding capacity under optimal catalytic conditions (pH 5.0, 50 °C). The morphology and composition analysis of the cellulose film reacted with and without GOD or GOD-NL-CBM2 confirmed the immobilization of GOD-NL-CBM2. The electrochemical properties of the GOD-NL-CBM2/cellulose film bioelectrode, with a characteristic peak of H2O2 at +0.6 V in the presence of glucose, revealed the capability of the immobilized GOD-NL-CBM2 to efficiently catalyze glucose and produce H2O2. Additionally, the current signal response of the biosensor to glucose was linear in the concentration range from 1.25 to 40 mM (r2 ≥ 0.99). The sensitivity and detection limit of the GOD-NL-CBM2/cellulose film bioelectrode were 466.7 μA mol-1 L cm-2 and 0.475 mM (S/N = 3), respectively. Moreover, the glucose biosensor exhibited a rapid current change (< 5 s), high reproducibility (Relative standard deviation, RSD < 5%), substrate selectivity and stability, and retained about 80 % of the original current response after 2 months. The affinity adsorption-based immobilization strategy for GOD provides a promising approach to develop a high performance glucose biosensor.
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Affiliation(s)
- Weili Gong
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Qingye Han
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Yanru Chen
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Binglian Wang
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Jianguo Shi
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Lushan Wang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Lei Cai
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Qingjun Meng
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Zhenyu Zhang
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Qingai Liu
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Yan Yang
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Junhui Yang
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Lan Zheng
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Yiwei Li
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Yaohong Ma
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China.
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240
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T Sriwong K, Ogura K, Hawari MA, Matsuda T. Geotrichum candidum aldehyde dehydrogenase-inorganic nanocrystal with enhanced activity. Enzyme Microb Technol 2021; 150:109866. [PMID: 34489025 DOI: 10.1016/j.enzmictec.2021.109866] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 06/26/2021] [Accepted: 06/29/2021] [Indexed: 01/11/2023]
Abstract
A novel Geotrichum candidum aldehyde dehydrogenase (GcALDH) effectively oxidized aldehydes to carboxylic acids under mild conditions. Nonetheless, the free form of GcALDH still had a limitation in stability and recyclability. Herein, to overcome these limitations, this study achieved the immobilization of the GcALDH by the organic-inorganic nanocrystal formation. The GcALDH nanocrystal exhibited 261 ± 40 % of activity comparing to the free enzyme. It also exhibited improved thermostability and recyclability as well as remained excellent substrate promiscuity, which suggested its potential use in green industries. To the best of our knowledge, this is the first time to report the ALDH-inorganic nanocrystal formation with superior properties.
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Affiliation(s)
- Kotchakorn T Sriwong
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Kazuki Ogura
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Muhammad Arisyi Hawari
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Tomoko Matsuda
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan.
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241
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Ralbovsky NM, Smith JP. Machine Learning and Chemical Imaging to Elucidate Enzyme Immobilization for Biocatalysis. Anal Chem 2021; 93:11973-11981. [PMID: 34428014 DOI: 10.1021/acs.analchem.1c01909] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Biocatalysis has rapidly become an essential tool in the scientific and industrial communities for the development of efficient, safe, and sustainable chemical syntheses. Immobilization of the biocatalyst, typically an engineered enzyme, offers significant advantages, including increased enzyme stability and control, resistance to environmental change, and enhanced reusability. Determination and optimization of the spatial and chemical distribution of immobilized enzymes are critical for proper functionality; however, analytical methods currently employed for doing so are frequently inadequate. Machine learning, in the form of multivariate curve resolution, with Raman hyperspectral imaging is presented herein as a potential method for investigating the spatial and chemical distribution of evolved pantothenate kinase immobilized onto two diverse, microporous resins. An exhaustive analysis indicates that this method can successfully resolve, both spatially and spectrally, all chemical species involved in enzyme immobilization, including the enzyme, both resins, and other key components. Quantitation of the spatial coverage of immobilized enzymes, a key parameter used for process development, was accomplished. Optimal analytical parameters were determined by the evaluation of different excitation wavelengths. Exploratory chemometric approaches, including principal component analysis, were utilized to investigate the chemical species embedded within the data sets and their relationships. The totality of this information can be utilized for an enhanced understanding of enzyme immobilization processes and can allow for the further implementation of biocatalysis within the scientific and pharmaceutical communities.
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Affiliation(s)
- Nicole M Ralbovsky
- Analytical Research & Development, MRL, Merck & Co., Inc., West Point, Pennsylvania 19486, United States
| | - Joseph P Smith
- Analytical Research & Development, MRL, Merck & Co., Inc., West Point, Pennsylvania 19486, United States
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242
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Gil-Garcia M, Ventura S. Coiled-Coil Based Inclusion Bodies and Their Potential Applications. Front Bioeng Biotechnol 2021; 9:734068. [PMID: 34485264 PMCID: PMC8415879 DOI: 10.3389/fbioe.2021.734068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/05/2021] [Indexed: 02/01/2023] Open
Abstract
The production of recombinant proteins using microbial cell factories is frequently associated with the formation of inclusion bodies (IBs). These proteinaceous entities can be sometimes a reservoir of stable and active protein, might display good biocompatibility, and are produced efficiently and cost-effectively. Thus, these submicrometric particles are increasingly exploited as functional biomaterials for biotechnological and biomedical purposes. The fusion of aggregation-prone sequences to the target protein is a successful strategy to sequester soluble recombinant polypeptides into IBs. Traditionally, the use of these IB-tags results in the formation of amyloid-like scaffolds where the protein of interest is trapped. This amyloid conformation might compromise the protein's activity and be potentially cytotoxic. One promising alternative to overcome these limitations exploits the coiled-coil fold, composed of two or more α-helices and widely used by nature to create supramolecular assemblies. In this review, we summarize the state-of-the-art of functional IBs technology, focusing on the coiled-coil-assembly strategy, describing its advantages and applications, delving into future developments and necessary improvements in the field.
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Affiliation(s)
- Marcos Gil-Garcia
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Salvador Ventura
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Bellaterra, Spain
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243
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Microwave-assisted lipase-catalyzed synthesis of polyethylene glycol stearate in a solvent-free system. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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244
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Zhang C, Jiang Z, Li H, Ni H, Zheng M, Li Q, Zhu Y. Preparation of immobilized arylsulfatase on magnetic Fe 3O 4 nanoparticles and its application for agar quality improvement. Food Sci Nutr 2021; 9:4952-4962. [PMID: 34532007 PMCID: PMC8441490 DOI: 10.1002/fsn3.2446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 04/19/2021] [Accepted: 06/10/2021] [Indexed: 11/19/2022] Open
Abstract
The presence of sulfate groups in agar compromises the agar quality by affecting the crosslinking during gelling process. Some arylsulfatases can catalyze the hydrolysis of sulfate bonds in agar to improve the agar quality. Immobilized arylsulfatases prove beneficial advantages for their industrial applications. Here, a previously characterized mutant arylsulfatase K253H/H260L was immobilized on the synthesized magnetic Fe3O4 nanoparticles after functionalization by tannic acid (MNPs@TA). The surface properties and molecular structures of the immobilized arylsulfatase (MNPs@TA@ARS) were examined by scanning electron microscopy and Fourier transform infrared spectroscopy. Enzymatic characterization showed that MNPs@TA@ARS exhibited shifted optimal temperature and pH with deviated apparent Km and Vmax compared to its free counterpart. The immobilized arylsulfatase demonstrated improved thermal and pH stability and enhanced storage stability with modest reusability. In addition, MNPs@TA@ARS displayed enhanced tolerance to various inhibitors and detergents. The utilization of the immobilized arylsulfatase for agar desulfation brought the treated agar with improved quality.
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Affiliation(s)
- Chenghao Zhang
- College of Food and Biological EngineeringJimei UniversityXiamenChina
| | - Zedong Jiang
- College of Food and Biological EngineeringJimei UniversityXiamenChina
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme EngineeringXiamenChina
- Research Center of Food Biotechnology of Xiamen CityXiamenChina
- Key Laboratory of Systemic Utilization and In‐depth Processing of Economic SeaweedXiamen Southern Ocean Technology Center of ChinaXiamenChina
| | - Hebin Li
- Xiamen Medical CollegeXiamenChina
| | - Hui Ni
- College of Food and Biological EngineeringJimei UniversityXiamenChina
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme EngineeringXiamenChina
- Research Center of Food Biotechnology of Xiamen CityXiamenChina
- Key Laboratory of Systemic Utilization and In‐depth Processing of Economic SeaweedXiamen Southern Ocean Technology Center of ChinaXiamenChina
| | - Mingjing Zheng
- College of Food and Biological EngineeringJimei UniversityXiamenChina
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme EngineeringXiamenChina
- Research Center of Food Biotechnology of Xiamen CityXiamenChina
- Key Laboratory of Systemic Utilization and In‐depth Processing of Economic SeaweedXiamen Southern Ocean Technology Center of ChinaXiamenChina
| | - Qingbiao Li
- College of Food and Biological EngineeringJimei UniversityXiamenChina
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme EngineeringXiamenChina
- Research Center of Food Biotechnology of Xiamen CityXiamenChina
- Key Laboratory of Systemic Utilization and In‐depth Processing of Economic SeaweedXiamen Southern Ocean Technology Center of ChinaXiamenChina
| | - Yanbing Zhu
- College of Food and Biological EngineeringJimei UniversityXiamenChina
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme EngineeringXiamenChina
- Research Center of Food Biotechnology of Xiamen CityXiamenChina
- Key Laboratory of Systemic Utilization and In‐depth Processing of Economic SeaweedXiamen Southern Ocean Technology Center of ChinaXiamenChina
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245
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Zhang P, Chen J, Sun B, Sun C, Xu W, Tang K. Enhancement of the catalytic efficiency of Candida antarctica lipase A in enantioselective hydrolysis through immobilization onto a hydrophobic MOF support. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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246
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Seiça AFS, Iqbal MH, Carvalho A, Choe JY, Boulmedais F, Hellwig P. Study of Membrane Protein Monolayers Using Surface-Enhanced Infrared Absorption Spectroscopy (SEIRAS): Critical Dependence of Nanostructured Gold Surface Morphology. ACS Sens 2021; 6:2875-2882. [PMID: 34347437 DOI: 10.1021/acssensors.1c00238] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Surface-enhanced infrared absorption spectroscopy (SEIRAS) is a powerful tool that allows studying the reactivity of protein monolayers at very low concentrations and independent from the protein size. In this study, we probe the surface's morphology of electroless gold deposition for optimum enhancement using two different types of immobilization adapted to two proteins. Independently from the mode of measurement (i.e., transmission or reflection) or type of protein immobilization (i.e., through electrostatic interactions or nickel-HisTag), the enhancement and reproducibility of protein signals in the infrared spectra critically depended on the gold nanostructured surface morphology deposited on silicon. Just a few seconds deviation from the optimum time in the nanoparticle deposition led to a significantly weaker enhancement. Scanning electron microscopy and atomic force microscopy measurements revealed the evolution of the nanostructured surface when comparing different deposition times. The optimal deposition time led to isolated gold nanostructures on the silicon crystal. Importantly, in the case of the immobilization using nickel-HisTag, the surface morphology is rearranged upon immobilization of linker and the protein. A complex three-dimensional (3D) network of nanoparticles decorated with the protein could be observed leading to the optimal enhancement. The electroless deposition of gold is a simple technique, which can be adapted to flow cells and used in analytical approaches.
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Affiliation(s)
- Ana F. S. Seiça
- Laboratory of Bioelectrochemistry and Spectroscopy, UMR 7140 University of Strasbourg CNRS, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Muhammad Haseeb Iqbal
- University of Strasbourg, CNRS, Institut Charles Sadron, UPR 222, 67034 Strasbourg, France
| | - Alain Carvalho
- University of Strasbourg, CNRS, Institut Charles Sadron, UPR 222, 67034 Strasbourg, France
| | - Jun-yong Choe
- East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina 27834, United States
| | - Fouzia Boulmedais
- University of Strasbourg, CNRS, Institut Charles Sadron, UPR 222, 67034 Strasbourg, France
| | - Petra Hellwig
- Laboratory of Bioelectrochemistry and Spectroscopy, UMR 7140 University of Strasbourg CNRS, 4 Rue Blaise Pascal, 67081 Strasbourg, France
- University of Strasbourg Institute for Advanced Studies (USIAS), 4 Rue Blaise Pascal, 67081 Strasbourg, France
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247
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Damayanti D, Supriyadi D, Amelia D, Saputri DR, Devi YLL, Auriyani WA, Wu HS. Conversion of Lignocellulose for Bioethanol Production, Applied in Bio-Polyethylene Terephthalate. Polymers (Basel) 2021; 13:2886. [PMID: 34502925 PMCID: PMC8433819 DOI: 10.3390/polym13172886] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/16/2021] [Accepted: 08/25/2021] [Indexed: 12/05/2022] Open
Abstract
The increasing demand for petroleum-based polyethylene terephthalate (PET) grows population impacts daily. A greener and more sustainable raw material, lignocellulose, is a promising replacement of petroleum-based raw materials to convert into bio-PET. This paper reviews the recent development of lignocellulose conversion into bio-PET through bioethanol reaction pathways. This review addresses lignocellulose properties, bioethanol production processes, separation processes of bioethanol, and the production of bio-terephthalic acid and bio-polyethylene terephthalate. The article also discusses the current industries that manufacture alcohol-based raw materials for bio-PET or bio-PET products. In the future, the production of bio-PET from biomass will increase due to the scarcity of petroleum-based raw materials.
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Affiliation(s)
- Damayanti Damayanti
- Department of Chemical Engineering and Materials Science, Yuan Ze University, 135 Yuan-Tung Road, Chung-Li, Taoyuan 32003, Taiwan;
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Didik Supriyadi
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Devita Amelia
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Desi Riana Saputri
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Yuniar Luthfia Listya Devi
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Wika Atro Auriyani
- Department of Chemical Engineering, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Way Huwi, Kec. Jati Agung, Lampung Selatan, Lampung 35365, Indonesia; (D.S.); (D.A.); (D.R.S.); (Y.L.L.D.); (W.A.A.)
| | - Ho Shing Wu
- Department of Chemical Engineering and Materials Science, Yuan Ze University, 135 Yuan-Tung Road, Chung-Li, Taoyuan 32003, Taiwan;
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248
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Mukherjee A. Purification, characterisation and immobilisation of an acid-stable, raw-starch hydrolysing thiol β-amylase, over produced in the stem of Paederia foetida. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.1964484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Abhishek Mukherjee
- Department of Biotechnology, Heritage Institute of Technology, Kolkata, India
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249
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Wolny A, Chrobok A. Ionic Liquids for Development of Heterogeneous Catalysts Based on Nanomaterials for Biocatalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2030. [PMID: 34443861 PMCID: PMC8399483 DOI: 10.3390/nano11082030] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/02/2021] [Accepted: 08/05/2021] [Indexed: 12/21/2022]
Abstract
The development of effective methods of enzyme stabilization is key for the evolution of biocatalytic processes. An interesting approach combines the stabilization process of proteins in ionic liquids and the immobilization of the active phase on the solid support. As a result, stable, active and heterogeneous biocatalysts are obtained. There are several benefits associated with heterogeneous processes, as easy separation of the biocatalyst from the reaction mixture and the possibility of recycling. Accordingly, this work focused on the supported ionic liquid phases as the efficient enzyme stabilization carriers, and their application in both continuous flow and batch biocatalytic processes.
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Affiliation(s)
| | - Anna Chrobok
- Department of Chemical Organic Technology and Petrochemistry, Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland;
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250
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Czarnecka J, Kwiatkowski M, Wiśniewski M, Roszek K. Protein Corona Hinders N-CQDs Oxidative Potential and Favors Their Application as Nanobiocatalytic System. Int J Mol Sci 2021; 22:ijms22158136. [PMID: 34360901 PMCID: PMC8347256 DOI: 10.3390/ijms22158136] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/21/2021] [Accepted: 07/27/2021] [Indexed: 01/13/2023] Open
Abstract
The oxidative properties of nanomaterials arouse legitimate concerns about oxidative damage in biological systems. On the other hand, the undisputable benefits of nanomaterials promote them for biomedical applications; thus, the strategies to reduce oxidative potential are urgently needed. We aimed at analysis of nitrogen-containing carbon quantum dots (N-CQDs) in terms of their biocompatibility and internalization by different cells. Surprisingly, N-CQD uptake does not contribute to the increased oxidative stress inside cells and lacks cytotoxic influence even at high concentrations, primarily through protein corona formation. We proved experimentally that the protein coating effectively limits the oxidative capacity of N-CQDs. Thus, N-CQDs served as an immobilization support for three different enzymes with the potential to be used as therapeutics. Various kinetic parameters of immobilized enzymes were analyzed. Regardless of the enzyme structure and type of reaction catalyzed, adsorption on the nanocarrier resulted in increased catalytic efficiency. The enzymatic-protein-to-nanomaterial ratio is the pivotal factor determining the course of kinetic parameter changes that can be tailored for enzyme application. We conclude that the above properties of N-CQDs make them an ideal support for enzymatic drugs required for multiple biomedical applications, including personalized medical therapies.
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Affiliation(s)
- Joanna Czarnecka
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
- Correspondence: (J.C.); (M.W.); (K.R.)
| | - Mateusz Kwiatkowski
- Chair of Plant Physiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
| | - Marek Wiśniewski
- Physicochemistry of Carbon Materials Research Group, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
- Correspondence: (J.C.); (M.W.); (K.R.)
| | - Katarzyna Roszek
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
- Correspondence: (J.C.); (M.W.); (K.R.)
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