Innovative production of bio-cellulose using a cell-free system derived from a single cell line

Ullah, Muhammad Wajid; Ul-Islam, Mazhar; Khan, Shaukat; Kim, Yeji; Park, Joong Kon

doi:10.1016/j.carbpol.2015.06.037

Cited by 147 publications

(76 citation statements)

References 38 publications

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“…It is a material with unique properties because of its high strength, its biocompatibility, and specially its shape, which cannot be mimicked by artificial strategies . In fact, the enzymatic synthesis of cellulose is well known, but the synthesis in large scale is in development …”

Section: Introductionmentioning

confidence: 99%

“…8,12,13 In fact, the enzymatic synthesis of cellulose is well known, 14 but the synthesis in large scale is in development. 15,16 Bacterial cellulose was already studied as a support for drug release, and the results showed its efficacy for fast release of hydrophobic and hydrophilic drugs. [17][18][19][20] Nevertheless, low number of studies can be found in the literature with respect to the use of BC for facial mask application and support for cosmetic actives.…”

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confidence: 99%

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Bacterial cellulose skin masks—Properties and sensory tests

Pacheco

Mello

Chiari-Andréo

et al. 2017

J of Cosmetic Dermatology

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Bacterial cellulose skin masks—Properties and sensory tests

Pacheco

Mello

Chiari-Andréo

et al. 2017

J of Cosmetic Dermatology

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“…During BC production by microbial cells, every bacterial cell secretes one cellulose fibril, which pushes the bacterium forward and leads to cellulose aggregation. G. xylinus usually moves randomly in all directions; thus, BC can form multi-shaped pulps, filaments, and spheres under agitated conditions, and BC sheets are formed at the airmedium interface comprising of an irregular network of cellulose fibers when bacteria are cultured in a static liquid medium [121,122]. Besides, series of BC tubes can be formed through culturing of G. xylinus in special tubular template [119,120] and can also form an organ-like shape (such as outer ear) in a silicone mold [123].…”

Section: Microbial Cell Factories: Manufacturing Functional Metabolitesmentioning

confidence: 99%

Fabrication of nanocomposites and hybrid materials using microbial biotemplates

Shi

Ullah

et al. 2017

Adv Compos Hybrid Mater

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Microbes are important part of life that vary in sizes and shapes, diverse surface chemistry and biology, and porous nature of their cell walls. Besides their importance in industrial processes such as fermentation, these serve as biotemplates and provide a biomimetic approach for fabrication of multifarious complex constructs with predefined features, ordered composites and hybrid nanomaterials, microdevices, and micro/nanorobots through various strategies. The template or building blocks for such approaches can be bacterial, algal, and fungal cells or virus particles. Here, we have summarized recent advancements in biofabrication based on live microbes. Using engineering approaches and suitable methods, live microbes can be manipulated as functional Bmicro/nanodevices and -robots^to further perform biological functions such as replication, distribution, motility, formation of colonies, and secretion of metabolites at will. Biofabrication based on microbes provides effective methods to control and manipulate microbes as functional live building blocks to create micro/nanodevices and -robots for biomedical and energy applications.

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“…BC has the chemical structure similar to that of plant-derived cellulose. In addition to microbial cells, BC is also produced by cell-free system [8], that also provide an advanced approach for in situ impregnation of nanoparticles into BC matrix [9]. However, it has the advantage of being naturally pure with no associated lignin and hemicellulose [10].…”

Section: Introductionmentioning

confidence: 99%

Characterization of a bacterial cellulose-silica nanocomposite prepared from agricultural waste products

Soemphol

Charee

Audtarat

et al. 2020

Mater. Res. Express

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Bacterial cellulose (BC) has attracted considerable scientific interest and can be modified, making it more widely useful in composites with guest nanoparticles. In this study, silica nanoparticles obtained from rice husks were used to prepare BC-silica composite aerogels (CAs) via a sol-gel method. Various amount of silica nanoparticles (3, 6, 9 and 12% w/v) dissolved in 2.5 M NaOH were used as a precursor for inclusion into BC. Subsequently, it was employed to form a SiO 2 gel skeleton in a BC matrix by adding 2 M H 2 SO 4, as a catalyst. Increasing levels of silica nanoparticles led progressively lower transmittance values of BC-silica CAs. SEM images revealed a surface morphology of spheroid particles with little agglomeration. The XRD diffraction peaks were gradually covered by a broad peak of silica as increasing silica content. Similarly, FTIR spectroscopy results also indicate the presence of silica in proportion to its content. Furthermore, addition of silica nanoparticles improved the thermal properties using TGA analysis, shifting the decomposition temperature of BC up to 550°C and retaining of BC weight at least 60% with the BC sample with 3% of silica. This unique characteristic implies that silica had a stabilizing effect on polymeric cellulose. These results demonstrate an economical and environmentally friendly preparation of BC-silica CAs that can benefit material applications.

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Innovative production of bio-cellulose using a cell-free system derived from a single cell line

Cited by 147 publications

References 38 publications

Bacterial cellulose skin masks—Properties and sensory tests

Bacterial cellulose skin masks—Properties and sensory tests

Fabrication of nanocomposites and hybrid materials using microbial biotemplates

Characterization of a bacterial cellulose-silica nanocomposite prepared from agricultural waste products

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