نتایج جستجو برای: carboxymethyl cellulose cmc nanoparticles

تعداد نتایج: 141522  

2018
Lubna Kouser Basudev Paudyal Anuvinder Kaur Gudrun Stenbeck Lucy A. Jones Suhair M. Abozaid Cordula M. Stover Emmanuel Flahaut Robert B. Sim Uday Kishore

Development of nanoparticles as tissue-specific drug delivery platforms can be considerably influenced by the complement system because of their inherent pro-inflammatory and tumorigenic consequences. The complement activation pathways, and its recognition subcomponents, can modulate clearance of the nanoparticles and subsequent inflammatory response and thus alter the intended translational ap...

2014
Alexandar Metodiev Zhivkov

Carboxymethyl cellulose [C6H7O(OH)3x(OCH2COOH)x]n is a derivative of the regenerated cellulose [C6H10O5]n with hydroxy-acetic acid (hydroxy ethanoic acid) CH2(OH)COOH or sodium monochloroacetate ClCH2COONa. The CMC backbone consist of D-glucose residues linked by -1,4-linkage. The molecular mass of one glucose unit in CMC chain is mCMC = 146.14 + 75.04x, where x  3 is the degree of substitu...

Journal: :Optical and Quantum Electronics 2022

The solution casting method was utilized to synthesize nanocomposite films of chitosan (Cs)/CuO, Cs/graphene oxide (GO), carboxymethyl cellulose (CMC)/TiO2, CMC/GO, sodium alginate (Na-Alg)/TiO2, and Na-Alg/GO owing their various applications. influence CuO, TiO2 GO concentration on the optical properties Cs, CMC Na-Alg studied by UV-Vis Spectroscopy. absorbance increased with increasing filler...

Journal: :Applied microbiology 1972
D L Crawford E McCoy

The cellulases of Streptomyces thermodiastaticus (strain 2Sts) and thermomonospora fusca (strain 190Th) were produced with carboxymethyl-cellulose (CMC) serving as the carbon source during growth. Both cellulases act by random internal hydrolysis of the CMC chain, producing cellobiose, glucose, and intermediate length oligosaccharides. Cellobiase was not detected in culture filtrates produced u...

Journal: :REACTOR 2022

Carboxymethyl Cellulose (CMC) a compound made from starch of tubers ganyong flour with added methanol, propanol and water. Four process involving alkalization process, karboksimetilasi, neutralization in the making CMC. Carboxymethylization alkazation proess Alkazation is reaction between cellulose soda solution (alkaline) to become alkaline (cellulose soluble solution). rection sodium chloro a...

Journal: :Food frontiers 2023

This study aimed to develop an environmentally friendly silver nanoparticles (AgNPs) using banana peel extract as reducing and capping agent. AgNPs obtained were characterized via Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM). Preservation of blocks coated with sodium carboxymethyl cellulose (Na-CMC) Na-CMC incorporated (Na-CMC + AgNPs) for 5 days also condu...

2011
Naoko Fujimoto Tomoyuki Kosaka Toshihiko Nakao Mamoru Yamada

Screening of bovine rumen contents for heat-resistant and micro-aerophilic cellulose-degrading microorganisms was performed on carboxymethyl cellulose (CMC) plates at 37 °C-45 °C, and many isolates were found to produce reducing sugars under a static condition. Of those isolates, R8 and R15, which efficiently produced reducing sugars from CMC at a high temperature, were further examined. Taxono...

2016
Palaniyandi Velusamy Chia-Hung Su Govindarajan Venkat Kumar Shritama Adhikary Kannaiyan Pandian Subash C. B. Gopinath Yeng Chen Periasamy Anbu

In the current study, facile synthesis of carboxymethyl cellulose (CMC) and sodium alginate capped silver nanoparticles (AgNPs) was examined using microwave radiation and aniline as a reducing agent. The biopolymer matrix embedded nanoparticles were synthesized under various experimental conditions using different concentrations of biopolymer (0.5, 1, 1.5, 2%), volumes of reducing agent (50, 10...

Journal: :Carbohydrate polymers 2014
Karoliina Junka Ilari Filpponen Leena-Sisko Johansson Eero Kontturi Orlando J Rojas Janne Laine

Cellulosic substrates were modified by using sequential adsorption of functionalized carboxymethyl cellulose (CMC) and "click" chemistry in aqueous media. First, the effect of degree of substitution (DS), and level of functionalization as well as ionic strength of the medium were systematically investigated in situ by using quartz crystal microbalance with dissipation (QCM-D) in terms of the ex...

Journal: :Bulletin of The Chemical Society of Ethiopia 2022

ABSTRACT. Curcumin nanoparticles (CurNP’s) were successfully synthesized, characterized, and used as a cross-linking dopant of polyvinyl alcohol/ sodium carboxymethyl cellulose (PVA/CMC) semi-natural polymer blend. Synthesized nanocomposite films (PVA/CMC/CurNP’s) characterized using Fourier transforms infrared FTIR spectroscopy tested for their resistance different bacterial grams. Obtained da...

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