Showing 2,021 - 2,040 results of 3,924 for search '"enzymes"', query time: 0.07s Refine Results
  1. 2021
  2. 2022

    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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    Article
  3. 2023

    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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    Article
  4. 2024
  5. 2025

    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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  6. 2026

    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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    Article
  7. 2027
  8. 2028

    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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    Article
  9. 2029

    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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    Article
  10. 2030

    Expression and Characterization of Coprothermobacter proteolyticus Alkaline Serine Protease by Tanveer Majeed, Romana Tabassum, William J. Orts, Charles C. Lee

    Published 2013-01-01
    “…In addition, the enzyme had an elevated optimum temperature (60°C). …”
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    Article
  11. 2031

    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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  12. 2032

    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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    Article
  13. 2033

    Conformation and Catalytic Properties Studies of Candida rugosa Lip7 via Enantioselective Esterification of Ibuprofen in Organic Solvents and Ionic Liquids by Xiang Li, Shuangshuang Huang, Li Xu, Yunjun Yan

    Published 2013-01-01
    “…Enantioselective esterification of ibuprofen was conducted to evaluate the enzyme activity and ees of lipase from Candida rugosa (CRL7) in ten conventional organic solvents and three ionic liquids. …”
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    Article
  14. 2034

    Bubbling insights: unveiling the true sophorolipid biosynthetic pathway by Starmerella bombicola by Sophie L. K. W. Roelants, Stijn Bovijn, Elvira Bytyqi, Nicolas de Fooz, Goedele Luyten, Martijn Castelein, Thibo Van de Craen, Zhoujian Diao, Karolien Maes, Tom Delmulle, Maarten De Mol, Sofie L. De Maeseneire, Bart Devreese, Wim K. Soetaert

    Published 2024-08-01
    “…These results indicate that the AT enzyme is not the only enzyme responsible for acetylation of sophorolipids, while the SBLE enzyme performs an intramolecular transesterification reaction on bolaform glycolipids instead of an esterification reaction on acidic sophorolipids. …”
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  15. 2035

    An overview of ELISA: a review and update on best laboratory practices for quantifying peptides and proteins in biological fluids by Suleyman Aydin, Elif Emre, Kader Ugur, Mustafa Ata Aydin, İbrahim Sahin, Vedat Cinar, Taner Akbulut

    Published 2025-02-01
    “…The enzyme-linked immunosorbent assay (ELISA) detects antigen-antibody interactions by using enzyme-labelled conjugates and enzyme substrates that generate colour changes. …”
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  16. 2036

    Perioperative infarction during coronary bypass surgery: an attempt to refine the diagnostic criteria using data from a retrospective case–control study by Lars Niclauss, Liam-Kani Roulet, Piergiorgio Tozzi, Filip Dulguerov, Ziyad Gunga, Anna Nowacka, Matthias Kirsch

    Published 2025-01-01
    “…Objective The definition of coronary artery bypass graft (CABG)-associated myocardial infarction (MI) is controversial because the postoperative increases in cardiac enzyme activities are multifactorial in origin. Methods We performed a retrospective case–control study of patients who experienced perioperative MI (cardiac enzyme release, electrocardiographic changes, dysfunction on echocardiography) and those without ischemia to identify risk factors and enzyme activity thresholds. …”
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  17. 2037

    Immobilization of α-Chymotrypsin on the Surface of Magnetic/Gold Core/Shell Nanoparticles by Mahmoud Kamal Ahmadi, Manouchehr Vossoughi

    Published 2013-01-01
    “…FTIR and fluorescence spectroscopy were utilized to study secondary and tertiary structures of the immobilized enzyme. Results show that the secondary and tertiary structures of the enzyme remain virtually unchanged after immobilization on the nanoparticles surface. …”
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  18. 2038

    Biochemical responses of painted spiny lobster Panulirus versicolor fed with molluscs meal and fish meal by Agus Kurnia, Muhaimin Hamzah, Muhammad Idris, Wellem Henrik Muskita, La Ode Baytul Abidin, Kadir Sabilu, Yusnaini Yusnaini, Abdul Muis Balubi, La Usaha La Usaha, Famawati Fatmawati, La Ode Abdul Razak, Khairunnisa Khairunnisa

    Published 2024-12-01
    “…The results showed that the enzyme activities of lobsters fed with combined mollusc meals were higher than the enzyme activity in the lobsters fed with the fish meal combination diet. …”
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  19. 2039
  20. 2040

    Effect of pH on the Hydrolytic Kinetics of Gamma-Glutamyl Transferase from Bacillus subtilis by Sharath Balakrishna, Asmita Prabhune

    Published 2014-01-01
    “…We also analysed the effect of pH on the structure of the enzyme. The circular dichroism spectra of the enzyme sample at pH 9.0 and 11.0 were coincidental in both far and near UV regions indicating conservation of the secondary and tertiary structures, respectively. …”
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