نتایج جستجو برای: carboxymethyl cellulose
تعداد نتایج: 31638 فیلتر نتایج به سال:
Carboxymethyl cellulose, a water-soluble cellulose derivative, has been used extensively as a biomaterial for wound healing and pharmacological applications. It is a biocompatible and biodegradable polymer but its poor stability, limits its long-term application. In this study, carboxymethyl cellulose scaffolds were prepared at different concentrations (2.5 wt% and 5.0 wt%) by freeze drying met...
fruit yoghurt is frequently made with fermented milk products; however, the use of fruit and its products may cause changes in the viscoelastic properties, syneresis and sensory properties of fruit yoghurt. one approach to improve these properties in fruit yoghurt is the use of thickening agents. this study investigated the effect of carboxymethyl cellulose and guar thickening agents on the pro...
The cenC gene, encoding beta-1,4-glucanase C (CenC) from Cellulomonas fimi, was overexpressed in Escherichia coli with a tac-based expression vector. The resulting polypeptide, with an apparent molecular mass of 130 kDa, was purified from the cell extracts by affinity chromatography on cellulose followed by anion-exchange chromatography. N-terminal sequence analysis showed the enzyme to be prop...
Bacterial cellulose (BC) is a suitable material for biomedical applications due to its remarkable proprieties, such us: biodegradability, biocompatibility and ready availability. In this paper the swelling and drug release profiles from bacterial cellulosecarboxymethyl cellulose (BC-CMC) composite hydrogels were investigated, in the aim to use such systems in controlled drug delivery field. Ibu...
Application of the xanthan gum, carboxymethyl cellulose and whey protein concentrate in formulation improvement low fat whipped cream properties
In an attempt to screen out cellulase producing bacteria from herbivorous animal fecal matter it was possible to isolate a potent bacterium from cow dung. The bacterium was identified as Bacillus sp. using 16S rDNA based molecular phylogenetic approach. The effect of different agricultural wastes, paper wastes and carboxymethyl cellulose on endoglucanase production was tested and was found to p...
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