Showing 861 - 880 results of 4,953 for search '"enzyme"', query time: 0.10s Refine Results
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  4. 864

    How hosts and pathogens choose the strengths of defense and counterdefense: a game-theoretical view by Shalu Dwivedi, Ravindra Garde, Stefan Schuster

    Published 2025-01-01
    “…Specifically, they may or may not produce a toxin and an enzyme degrading the toxin, respectively. We consider that the host and pathogen must also incur a cost for toxin or enzyme production. …”
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  5. 865

    Production of β-Glucosidase from a Newly Isolated Aspergillus Species Using Response Surface Methodology by Pilanee Vaithanomsat, Molnapat Songpim, Taweesiri Malapant, Akihiko Kosugi, Warunee Thanapase, Yutaka Mori

    Published 2011-01-01
    “…Fermentation condition (pH, cellobiose concentration, yeast extract concentration, and ammonium sulfate concentration) was optimized for producing the enzyme in shake flask cultures. Response surface methodology was used to investigate the effects of 4 fermentation parameters (yeast extract concentration, cellobiose concentration, ammonium sulfate concentration, and pH) on β-glucosidase enzyme production. …”
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  6. 866

    Integration of Kinetic Analysis of Reaction Curve with a Proper Classical Approach for Enzymatic Analysis by Xiaolan Yang, Gaobo Long, Hairong Jiang, Pu Liao, Fei Liao

    Published 2012-01-01
    “…For enzymatic analysis to quantify a substrate or enzyme, kinetic analysis of reaction curve can be integrated with a proper classical approach. …”
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    Telomerase and cells youth. by Alexander Benavides Couto, Osvaldo Morales Mondeja

    Published 2008-08-01
    “…Telomerase is an enzyme formed by a protein-ribonucleic acid complex that allows telomere enlargement, non codifying DNA structures. …”
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  10. 870

    Production, Purification, and Characterization of Thermostable α-Amylase Produced by Bacillus licheniformis Isolate AI20 by Yasser R. Abdel-Fattah, Nadia A. Soliman, Nabil M. El-Toukhy, Hamada El-Gendi, Rania S. Ahmed

    Published 2013-01-01
    “…Values of Vmax and Km for the purified enzyme were 454 mU/mg and 0.709 mg/mL. The α-amylase enzyme showed great stability against different solvents. …”
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  11. 871
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    Immobilization of Alkaline Collagenase from Bacillus subtilis onto Sulfonated Polystyrene Nanospheres for Hydrolysis of Tilapia Collagen by Ling Zhang, Xiaocui Yang, Kaijun Xiao, Yuyi Lu, Chunhai Li, Zijin Zhang

    Published 2019-01-01
    “…The structure of an alkaline protease from Bacillus subtilis used by a tilapia collagen peptide manufacturer was analyzed, and the technology of the enzyme immobilized by sulfonated polystyrene (SPS) nanoparticles was studied. …”
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  13. 873

    Metabolic engineering approaches for the biosynthesis of antibiotics by Geunsoo Yook, Jiwoo Nam, Yeonseo Jo, Hyunji Yoon, Dongsoo Yang

    Published 2025-01-01
    “…To address this challenge, metabolic engineering has recently become crucial in developing efficient enzymes and cell factories capable of producing both existing antibiotics and a wide range of new derivatives and analogs. …”
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  14. 874

    Comparative Evaluation of Agroindustrial Byproducts for the Production of Alkaline Protease by Wild and Mutant Strains of Bacillus subtilis in Submerged and Solid State Fermentatio... by Hamid Mukhtar, Ikramul Haq

    Published 2013-01-01
    “…In addition to the defatted seed meals, their alkali extracts were also tested for the production of alkaline protease by Bacillus subtilis, but these were proved nonsignificant for enhanced production of the enzyme. The production of the enzyme was also studied in solid state fermentation, and different agro-industrial byproducts were also evaluated for enzyme production. …”
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  15. 875

    Enhanced production of ginsenoside compound K by synergistic conversion of fermentation with Aspergillus tubingensis and commercial cellulase by Yong-In Lee, Woo-Seok Song, Deok-Kun Oh

    Published 2025-01-01
    “…The reaction conditions, including the feeding rate and concentrations of carbon source, enzyme type, AGE and enzyme concentrations, temperature, pH, and timing of enzyme addition, were optimized. …”
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  16. 876

    Antibody to Hepatitis C Virus in Risk Groups in Canada by RK Chaudhary, Theresa Mo

    Published 1992-01-01
    “…The number of samples positive for antibodies to HCV (anti-HCV) was higher with enzyme immunoassay than by RIBA HCV in most cases. …”
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  17. 877

    Immobilization of NTPDase-1 from Trypanosoma cruzi and Development of an Online Label-Free Assay by Felipe Antunes Calil, Juliana Maria Lima, Arthur Henrique Cavalcante de Oliveira, Christiane Mariotini-Moura, Juliana Lopes Rangel Fietto, Carmen Lucia Cardoso

    Published 2016-01-01
    “…The use of IMERs (Immobilized Enzyme Reactors) as a stationary phase coupled to high performance chromatographic systems is an interesting approach in the screening of new ligands. …”
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  18. 878

    Alzheimer-mutant γ-secretase complexes stall amyloid β-peptide production by Parnian Arafi, Sujan Devkota, Emily Williams, Masato Maesako, Michael S Wolfe

    Published 2025-02-01
    “…We recently reported evidence that FAD mutations in APP and PSEN1 cause deficiencies in early steps in processive proteolysis of APP substrate C99 and that this results from stalled γ-secretase enzyme-substrate and/or enzyme-intermediate complexes. …”
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  19. 879

    Investigating the impact of Multiwalled Carbon Nanotubes exposure on enzymatic activities and histopathological variations in Swiss albino mice by Iqra Nasim, Nadia Ghani, Rab Nawaz, Emilio Mateev, Yousef A. Bin Jardan

    Published 2025-01-01
    “…Serum samples were extracted at 7 and 14 days after the experiment by centrifuging whole blood for 15 min at 3,000 rpm. An enzyme-linked immunosorbent test (ELISA) was used to measure many enzyme assays, such as Angiotensin Converting Enzymes (ACE), Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), and Nicotinamide Adenine Dinucleotide Phosphate (NADPH) oxidase enzyme. …”
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  20. 880

    DICER1: The Argonaute Endonuclease Family Member and Its Role in Pediatric and Youth Pathology by Consolato M. Sergi, Fabrizio Minervini

    Published 2025-01-01
    “…In 2001, two enzyme-encoding genes were recognized in the fruit fly <i>Drosophila melanogaster</i>. …”
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