Showing 1,261 - 1,280 results of 1,569 for search '"biocatalysts"', query time: 0.09s Refine Results
  1. 1261

    Extraction and characterization of lipase from seed of arachis hypogaea l / Siti Nor Zulaiha Zakariya by Zakariya, Siti Nor Zulaiha

    Published 2017
    “…Therefore, seed lipase from Arachis hypogaea L was introduced as biocatalyst due to low cost. Germinated and ungerminated Arachis hypogaea L. seeds is use to determine the enzyme activity and selectivity by using a mix substrate (coconut oil and cooking oil). …”
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    Student Project
  2. 1262

    Microbial fuel cells using mixed cultures of wastewater for electricity generation by Zain .S.M, Roslani .N.S, Hashim .R, Anuar .N, Suja .N.F, Daud .W.R.W, Basri .N.E.A

    Published 2011
    “…The MFC in this study was designed as a dual-chambered system, in which the chambers were separated by a NafionTM membrane using a mixed culture of wastewater as a biocatalyst. The maximum power density generated using activated sludge was 9.053 mW/cm2, with 26.8% COD removal and 40% TKN removal. …”
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    Article
  3. 1263

    Synthesis Of Methyl Acetate By Lipase Catalyzed Esterification by Izudin @ Mohamad, Muhammad Firdaus

    Published 2021
    “…Hence, esterification with the aid of biocatalyst was introduced which is proven to have a better potential especially with lipase in producing esters through enzymatic esterification. …”
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    Monograph
  4. 1264

    Synthesis of the anti-oxidant eugenol benzoate using Candida rugosa lipase immobilized onto multi walled carbon nanotubes by Abdullah Ismail, Shawnm

    Published 2014
    “…Furthermore, treatment of the esterification process is now easier due to simpler methods of separation of the end product and the biocatalyst could be recycled.…”
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    Thesis
  5. 1265

    Optimization of biohydrogen production by Enterococcus SP. NF6 using starch as substrate by N. Baniear Salvam, Dharsigah

    Published 2017
    “…NF6 was isolated from cow manure; the effective starch utilization and biohydrogen production of the biocatalyst were investigated. To investigate the optimum conditions for biohydrogen production, batch fermentations were conducted by optimization of physicochemical parameters using one factor at a time (OFAT) method using Modified Reinforced Clostridial Media (MRCM) as fermentation media. …”
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    Thesis
  6. 1266

    Rhizomucor miehei lipase immobilized on reinforced chitosan-chitin nanowhiskers support for synthesis of eugenyl benzoate by Abdul Manan, Fatin Myra, Attan, Nursyafreena, Widodo, Nashi, Enein, H. Aboul, Wahab, R. A.

    Published 2018
    “…Results demonstrated that the strategy adopted to prepare RML-CS/CNWs was useful, producing an improved and prospectively greener biocatalyst that supported a sustainable process to prepare eugenyl benzoate. …”
    Article
  7. 1267

    Chitosan as a sustainable heterogeneous catalyst for the preparation of functionalized α-diazo carbonyl compounds by Gabriela M. Diogo, Pedro A.M. Moro, Taíssa A. Costin, Mariane Fantinel, Marcus M. Sá

    Published 2023-01-01
    “…The recovery and recyclability of the biocatalyst were also addressed, with the catalytic activity being slightly reduced after four reuses depending on the substrate used. …”
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    Article
  8. 1268

    Enzymatic Synthesis of Galactosylated Serine/Threonine Derivatives by β-Galactosidase from Escherichia coli by Sooyoun Seo, Joseph Rebehmed, Alexandre G. de Brevern, Salwa Karboune

    Published 2015-06-01
    “…The transgalactosylations of serine/threonine derivatives were investigated using β-galactosidase from Escherichia coli as biocatalyst. Using ortho-nitrophenyl-β-D-galactoside as donor, the highest bioconversion yield of transgalactosylated N-carboxy benzyl L-serine benzyl ester (23.2%) was achieved in heptane:buffer medium (70:30), whereas with the lactose, the highest bioconversion yield (3.94%) was obtained in the buffer reaction system. …”
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    Article
  9. 1269

    Xylitol as a Hydrophilization Moiety for a Biocatalytically Synthesized Ibuprofen Prodrug by Federico Zappaterra, Chiara Tupini, Daniela Summa, Virginia Cristofori, Stefania Costa, Claudio Trapella, Ilaria Lampronti, Elena Tamburini

    Published 2022-02-01
    “…We aimed to functionalize ibuprofen with xylitol using the reusable immobilized N435 biocatalyst. Instead of a biphasic media, we proposed a monophasic reaction environment. …”
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    Article
  10. 1270

    Green Oxidation of Amines by a Novel Cold-Adapted Monoamine Oxidase MAO P3 from Psychrophilic Fungi <i>Pseudogymnoascus</i> sp. P3 by Iga Jodłowska, Aleksandra Twarda-Clapa, Kamil Szymczak, Aneta M. Białkowska

    Published 2021-10-01
    “…The psychrozyme operates at an optimal temperature of 30 °C, retains 75% of activity at 20 °C, and is rather thermolabile, which is beneficial for a reduction in the overall costs of a bioprocess and offers a convenient way of heat inactivation. The reported biocatalyst is the first psychrophilic MAO; its unique biochemical properties, substrate specificity, and effectiveness predispose MAO P3 for use in environmentally friendly, low-emission biotransformations.…”
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    Article
  11. 1271

    β-Mannosidase from <i>Cellulomonas fimi</i>: Immobilization Study and Application in the β-Mannoside Synthesis by Marina S. Robescu, Sara Tengattini, Marco Rabuffetti, Giovanna Speranza, Marco Terreni, Teodora Bavaro

    Published 2023-10-01
    “…This explorative work opens new scenarios concerning the design of engineered <i>Cf</i>-β-Man mutants and their immobilization in order to obtain a robust and recyclable biocatalyst for applications in chemoenzymatic glycan synthesis.…”
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    Article
  12. 1272

    The synergism of lytic polysaccharide monooxygenases with lichenase and their co-immobilization on silica nanospheres for green conversion of lichen biomass by Lixi Cai, Lixi Cai, Lixi Cai, Ying Zheng, Yunmeng Chu, Yuanqing Lin, Lixing Liu, Lixing Liu, Guangya Zhang

    Published 2022-10-01
    “…After 12 independent runs, about 67.4 % of the initial activity of the immobilized enzymes was retained. The resulted biocatalyst systems exhibited the green and sustainable strategy in the bioconversion of lichen biomass as well as other diverse polysaccharides.…”
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    Article
  13. 1273

    The Impact of Process Parameters on 1,3-Propanediol Production and 3-Hydroxypropionaldehyde Accumulation in Fed-Batch Fermentation of Glycerol with <i>Citrobacter freundii</i> AD11... by Agnieszka Drożdżyńska, Piotr Kubiak, Jolanta Wawrzyniak, Katarzyna Czaczyk

    Published 2023-06-01
    “…An efficient bioprocess requires an in-depth understanding of the factors that influence the performance of its biocatalyst. The effects of pH, temperature, stirring rate, and substrate concentration on glycerol fermentation in fed-batch cultures of <i>C. freundii</i> AD119 were investigated in this study. …”
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    Article
  14. 1274

    Deciphering acidogenic process towards biohydrogen, biohythane, and short chain fatty acids production: multi-output optimization strategy by Omprakash Sarkar, S. Venkata Mohan

    Published 2016-09-01
    “…Application of pretreated inoculum as biocatalyst and high substrate concentration showed substantial enhancement of both H2 and VFA production. …”
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    Article
  15. 1275

    Green synthesis of isopropyl palmitate using immobilized Candida antarctica lipase: Process optimization using response surface methodology by Ahmad Mustafa, Fumiya Niikura

    Published 2022-06-01
    “…An esterification reaction between isopropyl alcohol (IPA) and palmitic acid (PA) was performed in a closed batch reactor using immobilized Candida antarctica lipase as a biocatalyst. Reaction conditions were optimized using response surface methodology based on a five-level, three-variable composite design. …”
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    Article
  16. 1276

    Mutagenesis and Adaptation of the Psychrotrophic Fungus <i>Chrysosporium pannorum</i> A-1 as a Method for Improving β-pinene Bioconversion by Mateusz Kutyła, Jan Fiedurek, Anna Gromada, Krzysztof Jędrzejewski, Mariusz Trytek

    Published 2020-06-01
    “…Mutagenesis and adaptation of the psychrotrophic fungus <i>Chrysosporium pannorum</i> A-1 to the toxic substrate β-pinene were used to obtain a biocatalyst with increased resistance to this terpene and improved bioconversion properties. …”
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    Article
  17. 1277

    Chemo-Enzymatic Production of 4-Nitrophenyl-2-acetamido-2-deoxy-α-D-galactopyranoside Using Immobilized β-<i>N</i>-Acetylhexosaminidase by Helena Hronská, Vladimír Štefuca, Ema Ondrejková, Mária Bláhová, Jozef Višňovský, Michal Rosenberg

    Published 2022-04-01
    “…The immobilization of Hex in lens-shaped polyvinyl alcohol hydrogel capsules provided a biocatalyst with very good storage and operational stability. …”
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    Article
  18. 1278

    Functional Characterization and Synthetic Application of Is2-SDR, a Novel Thermostable and Promiscuous Ketoreductase from a Hot Spring Metagenome by Erica Elisa Ferrandi, Ivan Bassanini, Susanna Bertuletti, Sergio Riva, Chiara Tognoli, Marta Vanoni, Daniela Monti

    Published 2022-10-01
    “…A broad tolerance to both water-miscible and water-immiscible organic solvents was demonstrated as well, thus, confirming the potential of this new biocatalyst for its synthetic application.…”
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    Article
  19. 1279

    The Effect of Substituted Benzene-Sulfonamides and Clinically Licensed Drugs on the Catalytic Activity of CynT2, a Carbonic Anhydrase Crucial for <i>Escherichia coli</i> Life Cycle by Sonia Del Prete, Viviana De Luca, Silvia Bua, Alessio Nocentini, Vincenzo Carginale, Claudiu T. Supuran, Clemente Capasso

    Published 2020-06-01
    “…Herein, we investigated the sulfonamide inhibition profile of the recombinant <i>β</i>-CA (CynT2) identified in the genome of the Gram-negative bacterium <i>Escherichia coli</i>. This biocatalyst is indispensable for the growth of the microbe at atmospheric pCO<sub>2</sub>. …”
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    Article
  20. 1280

    Intensification of Double Kinetic Resolution of Chiral Amines and Alcohols via Chemoselective Formation of a Carbonate–Enzyme Intermediate by Jan Samsonowicz-Górski, Anna Brodzka, Ryszard Ostaszewski, Dominik Koszelewski

    Published 2022-07-01
    “…The presented protocol is characterized by atom efficiency, acyl donor sustainability, easy acyl group removal, mild reaction conditions, and biocatalyst recyclability, which significantly decreases the cost of the reported process.…”
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    Article