نتایج جستجو برای: hydroxyethylcellulose

تعداد نتایج: 112  

Journal: :Nano select 2022

Rechargeable zinc metal batteries are greener and safer alternative to lithium batteries, but they suffer from poor reversibility due growth of dendrites water splitting reactions aqueous electrolytes. One strategy overcome these drawbacks is replacing electrolyte with solid polymer (SPE). In this work, we examine the possibility fabricating a bio-based polymer, hydroxyethylcellulose (HEC), aim...

2011
Hang T. T. Phan Kaizheng Zhu Anna-Lena Kjøniksen Bo Nyström

Temperature-induced interchain association and contraction of species in aqueous solutions of charged (MHEC(-)-g-PNIPAAM) and uncharged (MHEC-g-PNIPAAM) modified hydroxyethylcellulose-graft-poly(N-isopropylacrylamide) copolymer have been studied with the aid of turbidimetry and dynamic light scattering (DLS). It was shown that by attaching PNIPAAM chains to the backbone of a hydrophilic cellulo...

Journal: :Applied and environmental microbiology 1996
S Walter H Schrempf

Cellulase (Avicelase, Cel1) from Streptomyces reticuli efficiently hydrolyzes crystalline cellulose (Avicel) to cellobiose. The synthesis of the enzyme was found to be dependent on the presence of insoluble Avicel but not on either soluble hydroxyethylcellulose, cellooligomers, or cellobiose. Glycerol and various metabolizable mono- and disaccharides repress Avicelase synthesis, whereas yeast e...

Journal: :British journal of pharmacy 2022

Despiteadvancements in wound management, chronic wounds still fail to heal anappropriate time and manner. Hydrophobic drugs of interest the pharmaceuticalindustry exist that are suggested reduce inflammation aid woundhealing process; however, delivering these poses a challenge both interms ease formulation processing drug release characteristics whenapplied vivo. Naturally occurring, biocompati...

Journal: :Analytical chemistry 2000
S L McIntosh B K Nunnally A R Nesbit T G Deligeorgiev N I Gadjev L B McGown

This paper describes the first use of frequency-domain fluorescence lifetime for multiplex detection of DNA restriction fragments in capillary electrophoresis (CE). The fragments were labeled with monomeric intercalating dyes that can be excited by either the 488- or 514-nm line of an argon ion laser and have lifetimes in the range of 0.5-2.5 ns. We were able to achieve multiplex lifetime detec...

2011
Deepmoni Deka P. Bhargavi Ashish Sharma Dinesh Goyal M. Jawed Arun Goyal

The cellulase activity of Bacillus subtilis AS3 was enhanced by optimizing the medium composition by statistical methods. The enzyme activity with unoptimised medium with carboxymethylcellulose (CMC) was 0.07 U/mL and that was significantly enhanced by CMC, peptone, and yeast extract using Placket-Burman design. The combined effects of these nutrients on cellulase activity were studied using 2(...

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