Effect of Acetic Acid and Ethanol as Additives on Bacterial Cellulose Production by <i>Acetobacter xylinum</i>

Agustin, Yuana Elly; Padmawijaya, Karsono Samuel

doi:10.1088/1755-1315/209/1/012045

Cited by 5 publications

(4 citation statements)

References 5 publications

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“…38–39 On the other hand, galactose is claimed to be an inefficient carbon source for bacterial cellulose synthesis. 40 Glucose and fructose could improve crystallinity compared to other carbon resources. 39…”

Section: Case Study: Bacterial Cellulose-based Compositesmentioning

confidence: 99%

“…Oxygen, pH, and temperature levels in the environment also impact the material properties of bacterial cellulose. According to Reference 40, 40 the ideal pH ranges from 4 to 7, and the temperature ranges from 28 to 30°C, while some cultures taken from fruits create a thicker polysaccharide layer at temperatures between 37 and 40°C. Temperature fluctuations in both static and agitated cultures also affect polysaccharide synthesis differently in a way that the polysaccharide synthesis is higher at 30°C in agitated culture than at 37°C, even though the temperature has no effect on polysaccharide production in still culture.…”

Section: Case Study: Bacterial Cellulose-based Compositesmentioning

confidence: 99%

“…The addition of acetic acid boosts the water-holding ability, and increasing CO 2 and pressure in the environment prevents cell formation, thus reducing cellulose production. 40…”

Section: Case Study: Bacterial Cellulose-based Compositesmentioning

confidence: 99%

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Bio-based material integration into computational form-finding tools by introducing tensile properties in the case of bacterial cellulose-based composites

Turhan

Varinlioğlu

Bengisu

2023

International Journal of Architectural Computing

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Recent studies in digital design and fabrication processes focus on the potentials of using biological systems in nature as mathematical models or more recently as bio-based materials and composites in various applications. The reciprocal integration between mechanical and digital media for designing and manufacturing bio-based products is still open to development. The current digital form-finding scripts involve an extensive material list, although bio-based materials have not been fully integrated yet. This paper explores a customized form-finding process by suggesting a framework through mechanically informed material-based computation. Bacterial cellulose, an unconventional yet potential material for design, was explored across its biological growth, tensile properties, and the integration of datasets into digital form finding. The initial results of the comparison between digital form finding with conventional materials versus mechanically informed digital form finding revealed a huge difference in terms of both the resulting optimum geometry and the maximum axial forces that the geometry could actually handle. Although this integration is relatively novel in the literature, the proposed methodology has proven effective for enhancing the structural optimization process within digital design and fabrication and for bringing us closer to real-life applications. This approach allows conventional and limited material lists in various digital form finding and structural optimization scripts to cover novel materials once the quantitative mechanical properties are obtained. This method has the potential to develop into a commercial algorithm for a large number of bio-based and customized prototypes within the context of digital form finding of complex geometries.

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Section: Case Study: Bacterial Cellulose-based Compositesmentioning

confidence: 99%

Section: Case Study: Bacterial Cellulose-based Compositesmentioning

confidence: 99%

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Bio-based material integration into computational form-finding tools by introducing tensile properties in the case of bacterial cellulose-based composites

Turhan

Varinlioğlu

Bengisu

2023

International Journal of Architectural Computing

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“…Malic acid presented the highest reduction, followed by citric acid, while tartaric acid showed a smaller decrease. According to [25], citric and malic acid have a synergistic effect on BC production by participating in the carboxylic acid cycle, while tartaric acid possibly has an inhibitory effect on BC production. Finally, the COD of the effluents after fermentation varied from 0.7 g/L in the substrates with AC-Th and AC, in both HS and RFSE, to 1.6 g/L in the RFSE with Zt-Th.…”

Section: Composition Of the Substrates Before And After Bc Productionmentioning

confidence: 99%

Production and In Situ Modification of Bacterial Cellulose Gels in Raisin Side-Stream Extracts Using Nanostructures Carrying Thyme Oil: Their Physicochemical/Textural Characterization and Use as Antimicrobial Cheese Packaging

Adamopoulou,

Salvanou,

Bekatorou

et al. 2023

Gels

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We report the production of BC gels by Komagataeibacter sucrofermentans in synthetic (Hestrin and Schramm; HS) and natural media (raisin finishing side-stream extracts; RFSE), and their in situ modification by natural zeolite (Zt) and activated carbon (AC) nanostructures (NSs) carrying thyme oil (Th). The NS content for optimum BC yield was 0.64 g/L for both Zt-Th (2.56 and 1.47 g BC/L in HS and RFSE, respectively), and AC-Th (1.78 and 0.96 g BC/L in HS and RFSE, respectively). FTIR spectra confirmed the presence of NS and Th in the modified BCs, which, compared to the control, had reduced specific surface area (from 5.7 to 0.2–0.8 m2/g), average pore diameter (from 264 to 165–203 Å), cumulative pore volume (from 0.084 to 0.003–0.01 cm3/g), crystallinity index (CI) (from 72 to 60–70%), and crystallite size (from 78 to 72–76%). These values (except CI and CS), slightly increased after the use of the BC films as antimicrobial coatings on white cheese for 2 months at 4 °C. Tensile properties analysis showed that the addition of NSs resulted in a decrease of elasticity, tensile strength, and elongation at break values. The best results regarding an antimicrobial effect as cheese coating were obtained in the case of the RFSE/AC-Th BC.

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Bacterial Cellulose

Muthu¹,

Rathinamoorthy

2021

Sustainable Textiles: Production, Processing, Manufacturing &Amp; Chemistry

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Effect of Acetic Acid and Ethanol as Additives on Bacterial Cellulose Production by Acetobacter xylinum

Cited by 5 publications

References 5 publications

Bio-based material integration into computational form-finding tools by introducing tensile properties in the case of bacterial cellulose-based composites

Bio-based material integration into computational form-finding tools by introducing tensile properties in the case of bacterial cellulose-based composites

Production and In Situ Modification of Bacterial Cellulose Gels in Raisin Side-Stream Extracts Using Nanostructures Carrying Thyme Oil: Their Physicochemical/Textural Characterization and Use as Antimicrobial Cheese Packaging

Bacterial Cellulose

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