Mechanical and structural properties of native and alkali-treated bacterial cellulose produced by Gluconacetobacter xylinus strain ATCC 53524

Cellulose ◽  
2009 ◽  
Vol 16 (6) ◽  
pp. 1047-1055 ◽  
Author(s):  
Brigid A. McKenna ◽  
Deirdre Mikkelsen ◽  
J. Bernhard Wehr ◽  
Michael J. Gidley ◽  
Neal W. Menzies
Keyword(s):  
Bacterial Cellulose ◽  
Structural Properties ◽  
Gluconacetobacter Xylinus ◽  
Strain Atcc ◽  
Mechanical And Structural Properties

scholarly journals Effect of bacterial cellulose nanofibers incorporation on acid-induced casein gels: microstructures and rheological properties

2022 ◽  
Vol 0 (0) ◽  
Author(s):  
Kai Yuan ◽  
Xiaofei Li ◽  
Xudong Yang ◽  
Shuai Luo ◽  
Xi Yang ◽  
...  
Keyword(s):  
Phase Separation ◽  
Rheological Properties ◽  
Bacterial Cellulose ◽  
Structural Properties ◽  
Gluconic Acid ◽  
Cellulose Nanofibers ◽  
Gel Strength ◽  
Structural Homogeneity ◽  
Mechanical And Structural Properties ◽  
Addition Amount

Abstract In this study, the effect of bacterial cellulose nanofibers (BCNF) incorporation on the structural and rheological properties of casein gels was investigated, where the mixed BCNF and casein gels were prepared by adding gluconic acid δ-lactone (GDL) to acidify the mixed polymer solutions at 3.0% casein concentration (w/v) and varying BCNF concentrations (0–0.5%, w/v). By changing the addition amount of GDL, the mechanical and structural properties of the mixed gels were studied at above, near and below the electric point (pI) of the casein. At pH above the pI of the casein, the introduction of BCNF initially increased the gel strength, but further addition of BCNF weakened the mixed gels. At near and below the pI of the casein, the incorporation of BCNF continuously increased the gel strength. Besides, all gels showed good structural homogeneity, without macroscopic phase separation occurring, which indicated good compatibility of BCNF with the casein gels.

The influence of alkaline treatment on the mechanical and structural properties of bacterial cellulose

2021 ◽  
pp. 118431
Author(s):  
Si-Qian Chen ◽  
Oliver W. Meldrum ◽  
Qiudong Liao ◽  
Zhaofeng Li ◽  
Xiao Cao ◽  
...  
Keyword(s):  
Bacterial Cellulose ◽  
Structural Properties ◽  
Alkaline Treatment ◽  
Mechanical And Structural Properties

Mechanical and structural properties of Permalloy films on glass and/or Si(111) substrates

2008 ◽  
Vol 94 (2) ◽  
pp. 431-436 ◽  
Author(s):  
S. U. Jen ◽  
Y. T. Chen ◽  
N. T. Yang ◽  
W. C. Cheng
Keyword(s):  
Structural Properties ◽  
Mechanical And Structural Properties

scholarly journals Effect of Gluconacetobacter xylinus cultivation conditions on the selected properties of bacterial cellulose

2016 ◽  
Vol 18 (4) ◽  
pp. 117-123 ◽  
Author(s):  
Karol Fijałkowski ◽  
Anna Żywicka ◽  
Radosław Drozd ◽  
Marian Kordas ◽  
Rafał Rakoczy
Keyword(s):  
Bacterial Cellulose ◽  
Bacterial Strain ◽  
Point Of View ◽  
Synthesis Process ◽  
Cellulose Synthesis ◽  
Gluconacetobacter Xylinus ◽  
Water Release ◽  
Good Efficiency ◽  
Cellulose Fibrils ◽  
Culturing Conditions

Abstract The aim of the study was to analyze the changes in the parameters of bacterial cultures and bacterial cellulose (BC) synthesized by four reference strains of Gluconacetobacter xylinus during 31-day cultivation in stationary conditions. The study showed that the most visible changes in the analyzed parameters of BC, regardless of the bacterial strain used for their synthesis, were observed in the first 10–14 days of the experiment. It was also revealed, that among parameters showing dependence associated with the particular bacterial strain were the rate and period of BC synthesis, the growth rate of bacteria anchored to the cellulose fibrils, the capacity to absorb water and the water release rate. The results presented in this work may be useful in the selection of optimum culturing conditions and period from the point of view of good efficiency of the cellulose synthesis process.

A study of the mechanical and structural properties of polonium

2004 ◽  
Vol 129 (6) ◽  
pp. 411-413 ◽  
Author(s):  
Robert E Kraig ◽  
David Roundy ◽  
Marvin L Cohen
Keyword(s):  
Structural Properties ◽  
Mechanical And Structural Properties
Sign in / Sign up

Export Citation Format

Share Document