Results 31 to 40 of about 559,990 (314)
Molecules, 2014 It is well established that the performance of lipase B from Candida antarctica (CALB) as catalyst for esterification reactions may be improved by the use of ultrasound technology or by its immobilization on styrene-divinylbenzene beads (MCI-CALB).
Joana S. Alves +7 more
doaj +1 more source
Molecules, 2021 This paper aims to investigate the effects of some salts (NaCl, (NH4)2SO4 and Na2SO4) at pH 5.0, 7.0 and 9.0 on the stability of 13 different immobilized enzymes: five lipases, three proteases, two glycosidases, and one laccase, penicillin G acylase and ...
Sabrina Ait Braham +8 more
doaj +1 more source
Frontiers in Bioengineering and BiotechnologyPhospholipases are versatile biocatalysts with wide applications in the food and oil industries due to their ability to hydrolyze phospholipids and improve product quality. In this study, production of an extracellular phospholipase C from Staphylococcus
Areej Ali Alzahrani +5 more
doaj +1 more source
MoleculesIn the glycerolysis process for diacylglycerol (DAG) preparation, free lipases suffer from poor stability and the inability to be reused. To address this, a cost-effective immobilized lipase preparation was developed by cross-linking macroporous resin ...
Rui Xie +5 more
doaj +1 more source
Enantiomeric Tartaric Acid Production Using cis-Epoxysuccinate Hydrolase: History and Perspectives
Molecules, 2019 Tartaric acid is an important chiral chemical building block with broad industrial and scientific applications. The enantioselective synthesis of l(+)- and d(−)-tartaric acids has been successfully achieved using bacteria presenting cis ...
Jinsong Xuan, Yingang Feng
doaj +1 more source
Activity-Stability Relationships in Extremophilic Enzymes [PDF]
Journal of Biological Chemistry, 2003 Psychrophilic, mesophilic, and thermophilic alpha-amylases have been studied as regards their conformational stability, heat inactivation, irreversible unfolding, activation parameters of the reaction, properties of the enzyme in complex with a transition state analog, and structural permeability.
D'Amico, Salvino +3 more
openaire +2 more sources
MoleculesAntimicrobial peptides (AMPs), acknowledged as host defense peptides, constitute a category of predominant cationic peptides prevalent in diverse life forms. This study explored the antibacterial activity of α-conotoxin RgIA, and to enhance its stability
Minghe Wang +4 more
doaj +1 more source
Tablet-Based Sensor: A Stable and User-Friendly Tool for Point-of-Care Detection of Glucose in Urine
Biosensors, 2023 The colorimetric detection of glucose in urine through enzymatic reactions offers a low-cost and non-invasive method to aid in diabetes management. Nonetheless, the vulnerability of enzymes to environmental conditions, particularly elevated temperatures,
Hasti Hajimiri +4 more
doaj +1 more source
The development of human sera tests for HDL-bound serum PON1 and its lipolactonase activitys⃞
Journal of Lipid Research, 2007 Serum paraoxonase (PON1) is a lipolactonase that associates with HDL-apolipoprotein A-I (HDL-apoA-I) and thereby plays a role in the prevention of atherosclerosis. Current sera tests make use of promiscuous substrates and provide no indications regarding
Leonid Gaidukov, Dan S. Tawfik
doaj +1 more source
Brazilian Archives of Biology and Technology, 2007 Studies were carried out on extracellular protease production by Beauveria bassiana CG432 in liquid medium containing glucose and yeast extract. B. Bassiana presented active growth after lag period of 24 h., produced 80% of the total of the extracellular
Eliana Tiemi Ito +4 more
doaj +1 more source