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Lee CH, Lee HS, Lee JW, Kim J, Lee JH, Jin ES, Hwang ET. Evaluating enzyme stabilizations in calcium carbonate: Comparing in situ and crosslinking mediated immobilization. Int J Biol Macromol 2021; 175:341-350. [PMID: 33556395 DOI: 10.1016/j.ijbiomac.2021.02.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/03/2021] [Accepted: 02/03/2021] [Indexed: 12/18/2022]
Abstract
Enzyme immobilization using inorganic materials has been shown to preserve enzyme activity improving and improve their practical applications in biocatalytic process designs. Proper immobilization methods have been used to obtain high recycling and storage stability. In this study, we compared the activity and stability of in situ or crosslink-immobilized enzymes in a CaCO3 biomineral carrier. More than 30% of the initial enzyme activity was preserved for both the systems after 180 days upon 15 activity measurements at room temperature, confirming the improved stability of these enzyme systems (100 mM phosphate buffer, pH 8.0); however, differences in enzyme loading, activity, and characteristics were observed for each of these methods. Each system exhibited efficacy of 80% and 20%, respectively. Based on the same amount of immobilized enzyme (0.2 mg), the specific activities of hydrolysis of p-nitrophenyl butyrate substrate at room temperature of in situ immobilized carboxyl esterase (CE) and crosslinked CE were 11.37 and 7.63 mM min-1 mg-1, respectively (100 mM phosphate buffer, pH 8.0). Moreover, based on the kinetic behavior, in situ immobilized CE exhibited improved catalytic efficiency (Vmax Km-1) of the enzyme, exhibiting 4-fold higher activity and efficiency values than those of the CE immobilized in CaCO3. This is the first study to describe the stabilization of enzymes in CaCO3 and compare the enzyme kinetics and efficiencies between in situ immobilization and crosslinking in CaCO3 carriers.
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Affiliation(s)
- Chan Hee Lee
- Department of Life Science, Research Institute for Nature Sciences, Hanyang University, Seoul 04763, Republic of Korea; Center for Convergence Bioceramic Materials, Korea Institute of Ceramic Engineering & Technology, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Hye Sun Lee
- Center for Convergence Bioceramic Materials, Korea Institute of Ceramic Engineering & Technology, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Jae Won Lee
- Korea Conformity Laboratories, Incheon 21999, Republic of Korea
| | - Jangyong Kim
- School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jin Hyung Lee
- Center for Convergence Bioceramic Materials, Korea Institute of Ceramic Engineering & Technology, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Eon Seon Jin
- Department of Life Science, Research Institute for Nature Sciences, Hanyang University, Seoul 04763, Republic of Korea
| | - Ee Taek Hwang
- Department of Food Biotechnology, Dong-A University, Busan 49315, Republic of Korea.
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Narayanan G, Shen J, Boy R, Gupta BS, Tonelli AE. Aliphatic Polyester Nanofibers Functionalized with Cyclodextrins and Cyclodextrin-Guest Inclusion Complexes. Polymers (Basel) 2018; 10:E428. [PMID: 30966463 PMCID: PMC6415270 DOI: 10.3390/polym10040428] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/27/2018] [Accepted: 04/04/2018] [Indexed: 12/20/2022] Open
Abstract
The fabrication of nanofibers by electrospinning has gained popularity in the past two decades; however, only in this decade, have polymeric nanofibers been functionalized using cyclodextrins (CDs) or their inclusion complexes (ICs). By combining electrospinning of polymers with free CDs, nanofibers can be fabricated that are capable of capturing small molecules, such as wound odors or environmental toxins in water and air. Likewise, combining polymers with cyclodextrin-inclusion complexes (CD-ICs), has shown promise in enhancing or controlling the delivery of small molecule guests, by minor tweaking in the technique utilized in fabricating these nanofibers, for example, by forming core⁻shell or multilayered structures and conventional electrospinning, for controlled and rapid delivery, respectively. In addition to small molecule delivery, the thermomechanical properties of the polymers can be significantly improved, as our group has shown recently, by adding non-stoichiometric inclusion complexes to the polymeric nanofibers. We recently reported and thoroughly characterized the fabrication of polypseudorotaxane (PpR) nanofibers without a polymeric carrier. These PpR nanofibers show unusual rheological and thermomechanical properties, even when the coverage of those polymer chains is relatively sparse (~3%). A key advantage of these PpR nanofibers is the presence of relatively stable hydroxyl groups on the outer surface of the nanofibers, which can subsequently be taken advantage of for bioconjugation, making them suitable for biomedical applications. Although the number of studies in this area is limited, initial results suggest significant potential for bone tissue engineering, and with additional bioconjugation in other areas of tissue engineering. In addition, the behaviors and uses of aliphatic polyester nanofibers functionalized with CDs and CD-ICs are briefly described and summarized. Based on these observations, we attempt to draw conclusions for each of these combinations, and the relationships that exist between their presence and the functional behaviors of their nanofibers.
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Affiliation(s)
- Ganesh Narayanan
- Fiber and Polymer Science Program, North Carolina State University, Raleigh, NC 27695, USA.
| | - Jialong Shen
- Fiber and Polymer Science Program, North Carolina State University, Raleigh, NC 27695, USA.
| | - Ramiz Boy
- Department of Textile Engineering, Namık Kemal University, Corlu/Tekirdag 59860, Turkey.
| | - Bhupender S Gupta
- Fiber and Polymer Science Program, North Carolina State University, Raleigh, NC 27695, USA.
- Department of Textile Engineering Chemistry and Science, North Carolina State University, Raleigh, NC 27695, USA.
| | - Alan E Tonelli
- Fiber and Polymer Science Program, North Carolina State University, Raleigh, NC 27695, USA.
- Department of Textile Engineering Chemistry and Science, North Carolina State University, Raleigh, NC 27695, USA.
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Canbolat MF, Savas HB, Gultekin F. Enzymatic behavior of laccase following interaction with γ-CD and immobilization into PCL nanofibers. Anal Biochem 2017; 528:13-18. [DOI: 10.1016/j.ab.2017.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 03/31/2017] [Accepted: 04/13/2017] [Indexed: 10/19/2022]
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Regulation of enzyme activity and stability through positional interaction with polyurethane nanofibers. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2017.02.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Li G, Nandgaonkar AG, Wang Q, Zhang J, Krause WE, Wei Q, Lucia LA. Laccase-immobilized bacterial cellulose/TiO2 functionalized composite membranes: Evaluation for photo- and bio-catalytic dye degradation. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.10.033] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Canbolat MF, Savas HB, Gultekin F. Improved catalytic activity by catalase immobilization using γ-cyclodextrin and electrospun PCL nanofibers. J Appl Polym Sci 2016. [DOI: 10.1002/app.44404] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- M. Fatih Canbolat
- Textile Engineering Department, Engineering Faculty; Suleyman Demirel University; Isparta
| | - Hasan Basri Savas
- Department of Biochemistry, Faculty of Medicine; Suleyman Demirel University; Isparta
| | - Fatih Gultekin
- Department of Biochemistry, Faculty of Medicine; Suleyman Demirel University; Isparta
- Faculty of Medicine; Alanya Alaaddin Keykubat University; Antalya
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Nylon 6 film and nanofiber carriers: Preparation and laccase immobilization performance. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.01.012] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ignatova M, Manolova N, Rashkov I. Electrospun Antibacterial Chitosan-Based Fibers. Macromol Biosci 2013; 13:860-72. [DOI: 10.1002/mabi.201300058] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 03/20/2013] [Indexed: 11/08/2022]
Affiliation(s)
- Milena Ignatova
- Institute of Polymers, Laboratory of Bioactive Polymers; Bulgarian Academy of Sciences; Acad. G. Bonchev St, Bl. 103A BG-1113 Sofia Bulgaria
| | - Nevena Manolova
- Institute of Polymers, Laboratory of Bioactive Polymers; Bulgarian Academy of Sciences; Acad. G. Bonchev St, Bl. 103A BG-1113 Sofia Bulgaria
| | - Iliya Rashkov
- Institute of Polymers, Laboratory of Bioactive Polymers; Bulgarian Academy of Sciences; Acad. G. Bonchev St, Bl. 103A BG-1113 Sofia Bulgaria
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Chung J, Hwang ET, Gang H, Gu MB. Magnetic-separable robust microbeads using a branched polymer for stable enzyme immobilization. REACT FUNCT POLYM 2013. [DOI: 10.1016/j.reactfunctpolym.2012.10.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Affiliation(s)
| | - Man Bock Gu
- College of Life Sciences and Biotechnology; Korea University; Seoul; Republic of Korea
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12
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Emerging technologies in bioremediation: constraints and opportunities. Biodegradation 2012; 23:917-26. [PMID: 22836784 DOI: 10.1007/s10532-012-9576-3] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 07/17/2012] [Indexed: 12/29/2022]
Abstract
Intensive industrialisation, inadequate disposal, large-scale manufacturing activities and leaks of organic compounds have resulted in long-term persistent sources of contamination of soil and groundwater. This is a major environmental, policy and health issue because of adverse effects of contaminants on humans and ecosystems. Current technologies for remediation of contaminated sites include chemical and physical remediation, incineration and bioremediation. With recent advancements, bioremediation offers an environmentally friendly, economically viable and socially acceptable option to remove contaminants from the environment. Three main approaches of bioremediation include use of microbes, plants and enzymatic remediation. All three approaches have been used with some success but are limited by various confounding factors. In this paper, we provide a brief overview on the approaches, their limitations and highlights emerging technologies that have potential to revolutionise the enzymatic and plant-based bioremediation approaches.
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Nanotube-supported bioproduction of 4-hydroxy-2-butanone via in situ cofactor regeneration. Appl Microbiol Biotechnol 2011; 94:1233-41. [PMID: 22116631 DOI: 10.1007/s00253-011-3699-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 10/18/2011] [Accepted: 11/01/2011] [Indexed: 10/15/2022]
Abstract
Nicotinamide cofactor-dependent oxidoreductases have been widely employed during the bioproduction of varieties of useful compounds. Efficient cofactor regeneration is often required for these biotransformation reactions. Herein, we report the synthesis of an important pharmaceutical intermediate 4-hydroxy-2-butanone (4H2B) via an immobilized in situ cofactor regeneration system composed of NAD(+)-dependent glycerol dehydrogenase (GlyDH) and NAD(+)-regenerating NADH oxidase (nox). Both enzymes were immobilized on functionalized single-walled carbon nanotubes (SWCNTs) through the specific interaction between the His-tagged enzymes and the modified SWCNTs. GlyDH demonstrated ca. 100% native enzyme activity after immobilization. The GlyDH/nox ratio, pH, and amount of nicotinamide cofactor were examined to establish the optimum reaction conditions for 4H2B production. The nanoparticle-supported cofactor regeneration system become more stable and the yield of 4H2B turned out to be almost twice (37%) that of the free enzyme system after a 12-h reaction. Thus, we believe that this non-covalent specific immobilization procedure can be applied to cofactor regeneration system for bioconversions.
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Enzyme precipitate coatings of lipase on polymer nanofibers. Bioprocess Biosyst Eng 2011; 34:841-7. [DOI: 10.1007/s00449-011-0534-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Accepted: 03/07/2011] [Indexed: 10/18/2022]
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Conductive quantum dot-encapsulated electrospun nanofibers from polystyrene and polystyrene-co-maleic anhydride copolymer blend as gas sensors. REACT FUNCT POLYM 2011. [DOI: 10.1016/j.reactfunctpolym.2010.11.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Hwang ET, Tatavarty R, Lee H, Kim J, Gu MB. Shape reformable polymeric nanofibers entrapped with QDs as a scaffold for enzyme stabilization. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm02969f] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kim JH, Hwang ET, Kang KK, Tatavarty R, Gu MB. Aptamers-on-nanofiber as a novel hybrid capturing moiety. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm13558a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kim J, Kim BC, Lopez-Ferrer D, Petritis K, Smith RD. Nanobiocatalysis for protein digestion in proteomic analysis. Proteomics 2010; 10:687-99. [PMID: 19953546 DOI: 10.1002/pmic.200900519] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The process of protein digestion is a critical step for successful protein identification in bottom-up proteomic analyses. To substitute the present practice of in-solution protein digestion, which is long, tedious, and difficult to automate, many efforts have been dedicated for the development of a rapid, recyclable and automated digestion system. Recent advances of nanobiocatalytic approaches have improved the performance of protein digestion by using various nanomaterials such as nanoporous materials, magnetic nanoparticles, and polymer nanofibers. Especially, the unprecedented success of trypsin stabilization in the form of trypsin-coated nanofibers, showing no activity decrease under repeated uses for 1 year and retaining good resistance to proteolysis, has demonstrated its great potential to be employed in the development of automated, high-throughput, and on-line digestion systems. This review discusses recent developments of nanobiocatalytic approaches for the improved performance of protein digestion in speed, detection sensitivity, recyclability, and trypsin stability. In addition, we also introduce approaches for protein digestion under unconventional energy input for protein denaturation and the development of microfluidic enzyme reactors that can benefit from recent successes of these nanobiocatalytic approaches.
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Affiliation(s)
- Jungbae Kim
- Department of Chemical and Biological Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul, Republic of Korea.
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Sumby KM, Grbin PR, Jiranek V. Microbial modulation of aromatic esters in wine: Current knowledge and future prospects. Food Chem 2010. [DOI: 10.1016/j.foodchem.2009.12.004] [Citation(s) in RCA: 304] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhang YHP. Production of biocommodities and bioelectricity by cell-free synthetic enzymatic pathway biotransformations: challenges and opportunities. Biotechnol Bioeng 2010; 105:663-77. [PMID: 19998281 DOI: 10.1002/bit.22630] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cell-free synthetic (enzymatic) pathway biotransformation (SyPaB) is the assembly of a number of purified enzymes (usually more than 10) and coenzymes for the production of desired products through complicated biochemical reaction networks that a single enzyme cannot do. Cell-free SyPaB, as compared to microbial fermentation, has several distinctive advantages, such as high product yield, great engineering flexibility, high product titer, and fast reaction rate. Biocommodities (e.g., ethanol, hydrogen, and butanol) are low-value products where costs of feedstock carbohydrates often account for approximately 30-70% of the prices of the products. Therefore, yield of biocommodities is the most important cost factor, and the lowest yields of profitable biofuels are estimated to be ca. 70% of the theoretical yields of sugar-to-biofuels based on sugar prices of ca. US$ 0.18 per kg. The opinion that SyPaB is too costly for producing low-value biocommodities are mainly attributed to the lack of stable standardized building blocks (e.g., enzymes or their complexes), costly labile coenzymes, and replenishment of enzymes and coenzymes. In this perspective, I propose design principles for SyPaB, present several SyPaB examples for generating hydrogen, alcohols, and electricity, and analyze the advantages and limitations of SyPaB. The economical analyses clearly suggest that developments in stable enzymes or their complexes as standardized parts, efficient coenzyme recycling, and use of low-cost and more stable biomimetic coenzyme analogs, would result in much lower production costs than do microbial fermentations because the stabilized enzymes have more than 3 orders of magnitude higher weight-based total turn-over numbers than microbial biocatalysts, although extra costs for enzyme purification and stabilization are spent.
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Affiliation(s)
- Y-H Percival Zhang
- Biological Systems Engineering Department, Virginia Polytechnic Institute and State University, 210-A Seitz Hall, Blacksburg, Virginia 24061, USA. USA.
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Ponomareva E, Kartuzova V, Vlakh E, Tennikova T. Monolithic bioreactors: Effect of chymotrypsin immobilization on its biocatalytic properties. J Chromatogr B Analyt Technol Biomed Life Sci 2010; 878:567-74. [DOI: 10.1016/j.jchromb.2010.01.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Revised: 12/23/2009] [Accepted: 01/07/2010] [Indexed: 10/19/2022]
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Multiplexed immunoassay using the stabilized enzymes in mesoporous silica. Biosens Bioelectron 2009; 25:906-12. [DOI: 10.1016/j.bios.2009.09.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2009] [Revised: 08/28/2009] [Accepted: 09/01/2009] [Indexed: 11/18/2022]
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Ignatova M, Stoilova O, Manolova N, Mita D, Diano N, Nicolucci C, Rashkov I. Electrospun microfibrous poly(styrene-alt-maleic anhydride)/poly(styrene-co-maleic anhydride) mats tailored for enzymatic remediation of waters polluted by endocrine disruptors. Eur Polym J 2009. [DOI: 10.1016/j.eurpolymj.2009.06.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Huang XJ, Yu AG, Jiang J, Pan C, Qian JW, Xu ZK. Surface modification of nanofibrous poly(acrylonitrile-co-acrylic acid) membrane with biomacromolecules for lipase immobilization. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2008.09.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Nanobiocatalysis and its potential applications. Trends Biotechnol 2008; 26:639-46. [DOI: 10.1016/j.tibtech.2008.07.009] [Citation(s) in RCA: 347] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2008] [Revised: 07/25/2008] [Accepted: 07/31/2008] [Indexed: 11/20/2022]
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