نتایج جستجو برای: nano bacterial cellulose

تعداد نتایج: 282108  

2017
Thi Thi Nge Junji Sugiyama Vincent Bulone

Journal: :Biomaterials and polymers horizon 2021

Biopolymers have attracted considerable attention in various biomedical applications. Among them, cellulose as sustainable and renewable biomass has shown potential efficacy. With the advancement nanotechnology, a wide range of nanostructured materials surfaced with to offer substantial . The progress at nanoscale regime (nanocelluloses) diverse forms like nanocrystals, nanofibres bacterial nan...

2007
Fuyu Ito Yoshihiko Amano Kouichi Nozaki Inder M. Saxena Malcolm R. Brown Takahisa Kanda

Morphology changes in bacterial cellulose produced by Acetobacter xylinum ATCC23769 were ob­ served in the presence of /3 -glucodisaccharides such as gentiobiose and cellobiose. Endo-/3 -1,4-glucanase ac­ tivity in culture broth was higher than that in the absence of those sugars. So we have investigated the prop­ erties of endo-/3 -1,4-glucanase (AEG) produced by this bacterium. This enzyme co...

2001

Products for thin layer chromatography Ready-to-use layers for TLC Summary of MN ready-to-use layers for TLC 263 – 265 TLC ready-to-use layers with standard silica 266 – 269 TLC ready-to-use layers with concentrating zone 269 HPTLC ready-to-use layers with nano silica 269 – 271 Nano plates with extremely thin silica layer 271 TLC and HPTLC plates with modified silica layers 272 – 277 HPTLC read...

Journal: :International Journal of Biological Macromolecules 2021

Bone repair using BMP-2 is a promising therapeutic approach in clinical practices, however, high dosages required to be effective pose issues of cost and safety. The present study explores the potential low dose treatment via tissue engineering approach, which amalgamates 3-D macro/microporous-nanofibrous bacterial cellulose (mNBC) scaffolds primed murine mesenchymal stem cells (C3H10T1/2 cells...

Journal: :Applied and environmental microbiology 1996
K M Kleman-Leyer M Siika-Aho T T Teeri T K Kirk

Degradation of cotton cellulose by Trichoderma reesei endoglucanase I (EGI) and cellobiohydrolase II (CBHII) was investigated by analyzing the insoluble cellulose fragments remaining after enzymatic hydrolysis. Changes in the molecular-size distribution of cellulose after attack by EGI, alone and in combination with CBHII, were determined by size exclusion chromatography of the tricarbanilate d...

Journal: :International Journal of Molecular Sciences 2023

Recently, degradable biopolymers have become increasingly important as potential environmentally friendly biomaterials, providing a wide range of applications in various fields. Bacterial exopolysaccharides (EPSs) are biomacromolecules, which due to their unique properties found biomedicine, foodstuff, textiles, cosmetics, petroleum, pharmaceuticals, nanoelectronics, and environmental remediati...

Journal: :Carbohydrate polymers 2016
Jiulong Xie Chung-Yun Hse Cornelis F De Hoop Tingxing Hu Jinqiu Qi Todd F Shupe

Cellulose nanofibers were successfully isolated from bamboo using microwave liquefaction combined with chemical treatment and ultrasonic nanofibrillation processes. The microwave liquefaction could eliminate almost all the lignin in bamboo, resulting in high cellulose content residues within 7min, and the cellulose enriched residues could be readily purified by subsequent chemical treatments wi...

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