نتایج جستجو برای: enzymatic digestion
تعداد نتایج: 88690 فیلتر نتایج به سال:
Lignocellulosic composite in corn stover is a candidate biofuel feedstock of substantial abundance and sustainability. Its utilization is hampered by resistance of constituent cellulose fibrils to deconstruction. Here we use multi-scale studies of pretreated corn stover to elucidate the molecular mechanism of deconstruction and investigate the basis of recalcitrance. Dilute acid pretreatment ha...
Investigation into the interactions between graphene oxide (GO) and biomolecules is very important for broad applications of GO in bioassay and bioanalysis. In this work, we describe the interactions between double-stranded DNA (dsDNA) and GO. We demonstrated that dsDNA can bind to GO forming complexes (dsDNA/GO) in the presence of certain salts, which protects dsDNA from being enzymatically di...
Most reports on fruit antioxidant capacities are based on extraction of antioxidants using polar solvents. In banana, little is known about the fate of bioactive compounds during the digestion process, particularly in the food matrix under the gastric and intestinal conditions. In the present study, an in vitro gastrointestinal digestion method was used to simulate physiological conditions of t...
The characterization of the interaction of platinum drugs with proteins has been previously performed using bottom-up proteomics approaches (enzymatic digestion followed by MS analysis). Nevertheless, the study of the stability of the Pt-protein bonds along the whole process has been obviated for the moment. Herein the suitability of the treatments implied during enzymatic digestion of Pt-prote...
abstract background and objective: hirudin is an anticoagulant polypeptide secreted from the salivary glands of leeches. recombinant hirudin is a strong anticoagulant agent in arterial and venous thrombosis. the aim of this study was to evaluate the effect of inserting protein a signal peptide sequence of pezz18 plasmid on expression and secretion of the recombinant hirudin in e.coli. ...
introduction: helicobacter pylori (h. pylori) infection has remained as a global health problem. animal studies demonstrated the role of h. pylori oipa gene in the development of gastric cancer. the aim of this study was the cloning and expression of helicobacter pylori oipa gene in a bicistronic vector harboring mice il-18 gene. materials and methods: the target gene encoding oipa was amplifie...
We used matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) to characterize hydrophobic, alanine-rich mutants of the basic region/leucine zipper (bZIP) protein GCN4. These bacterially expressed proteins were generated to probe how small, alpha-helical proteins bind specific DNA sites. Enzymatic digestion mapping combined with MALDI-TOF MS characterization...
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