Results 211 to 220 of about 1,448,875 (241)
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Isolation of the precursor of bacterial cellulose
Journal of Polymer Science, 1961AbstractA method is described for the isolation of the precursor of cellulose microfibrils from ethanol extracts of active cultures of Acetobacter xylinum. Using the capacity to form cellulose microfibrils for an assay procedure, the method employs column chromatography of chloroform extracts of the residues from the ethanol solutions, on silicic acid ...
J. Ross Colvin, A. W. Khan
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Bacterial cellulose: Biosynthesis, production, and applications
2020Bacterial cellulose (BC) is a natural polymer produced by the acetic acid producing bacterium and has gathered much interest over the last decade for its biomedical and biotechnological applications. Unlike the plant derived cellulose nanofibres, which require pretreatment to deconstruct the recalcitrant lignocellulosic network, BC are 100% pure, and ...
Raghavendran, Vijayendran +2 more
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Cellulose in Bacterial Biofilms
2019Many bacteria produce cellulose as an exopolysaccharide component of the extracellular matrix in biofilms, which are large aggregates of bacterial cells often attached to abiotic or biotic surfaces. Cellulose has been particularly well studied in two model bacteria, Komagataeibacter xylinus and Escherichia coli. The widely conserved bacterial cellulose
Diego O. Serra, Regine Hengge
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The structure of bacterial cellulose
Biochimica et Biophysica Acta, 1949Abstract Electron microscopic observations show that the cellulose built by Acetobacterium xylinum occurs in the form of fibres having about the same diameter (ca 250 A) as that of the fibrils of cellulose from the cell walls of nemerous plants.
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Polyhydroxybutyrate-Based Nanocomposites with Cellulose Nanocrystals and Bacterial Cellulose
Journal of Polymers and the Environment, 2016Polyhydroxybutyrate (PHB) films nanoreinforced with hydrolyzed cellulose nanocrystals (CNC) and bacterial cellulose (BC) were prepared by solvent casting. The influence of different cellulose nanoparticles content (2, 4 and 6 wt% of CNC and 2 wt% of BC) on the PHB properties was studied. CNC nanocomposites presented good dispersion of the nanocrystals,
Seoane, Irene Teresita +4 more
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Current Applied Physics, 2012
Abstract Bacterial cellulose/polyaniline nanocomposite film was prepared by the chemical oxidative polymerization of aniline with bacterial cellulose. Polyaniline conducting polymer nanocomposite films with bacterial cellulose fibers was prepared and characterized. In nanocomposite film, the bacterial cellulose was fully encapsulated with polyaniline
Hyun-Joong Kim +2 more
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Abstract Bacterial cellulose/polyaniline nanocomposite film was prepared by the chemical oxidative polymerization of aniline with bacterial cellulose. Polyaniline conducting polymer nanocomposite films with bacterial cellulose fibers was prepared and characterized. In nanocomposite film, the bacterial cellulose was fully encapsulated with polyaniline
Hyun-Joong Kim +2 more
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Protein depletion with bacterial cellulose nanofibers
Journal of Chromatography B, 2018In this study, we have reported a novel fabrication technique for human serum albumin (HSA) imprinted composite bacterial cellulose nanofibers (MIP-cBCNFs) used for the depletion of HSA selectively from artificial blood plasma for proteomic applications. Molecular imprinting was achieved by using metal ion coordination interactions of N‑methacryloyl‑(l)
Göktürk, İlgim +3 more
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Bacterial Cellulose Hydrogel for Sensors
Chemical Engineering Journal, 2023Xiaosen Pan +4 more
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In vivo biocompatibility of bacterial cellulose
Journal of Biomedical Materials Research Part A, 2005AbstractThe biocompatibility of a scaffold for tissue engineered constructs is essential for the outcome. Bacterial cellulose (BC) consists of completely pure cellulose nanofibrils synthesized by Acetobacter xylinum. BC has high mechanical strength and can be shaped into three‐dimensional structures.
Gisela Helenius +6 more
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Determination Methods of Dialdehyde Celluloses from Bacterial Cellulose
Key Engineering Materials, 2007This paper addresses the determination of aldehyde group (% of dialdehyde units) in dialdehyde cellulose (DACs) oxidized from bacterial cellulose (BC). With 4 determination methods, the oxidation degrees of DACs were studied: Automatic potential titration method through Schiff base reaction, Acid-base titration in Cannizzaro reaction, Metaperiodate ...
Zhong Liang Sun +7 more
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