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Overview of bacterial cellulose composites: a multipurpose advanced material.

Carbohydrate polymers (2013-09-24)
Nasrullah Shah, Mazhar Ul-Islam, Waleed Ahmad Khattak, Joong Kon Park
ABSTRACT

Bacterial cellulose (BC) has received substantial interest owing to its unique structural features and impressive physico-mechanical properties. BC has a variety of applications in biomedical fields, including use as biomaterial for artificial skin, artificial blood vessels, vascular grafts, scaffolds for tissue engineering, and wound dressing. However, pristine BC lacks certain properties, which limits its applications in various fields; therefore, synthesis of BC composites has been conducted to address these limitations. A variety of BC composite synthetic strategies have been developed based on the nature and relevant applications of the combined materials. BC composites are primarily synthesized through in situ addition of reinforcement materials to BC synthetic media or the ex situ penetration of such materials into BC microfibrils. Polymer blending and solution mixing are less frequently used synthetic approaches. BC composites have been synthesized using numerous materials ranging from organic polymers to inorganic nanoparticles. In medical fields, these composites are used for tissue regeneration, healing of deep wounds, enzyme immobilization, and synthesis of medical devices that could replace cardiovascular and other connective tissues. Various electrical products, including biosensors, biocatalysts, E-papers, display devices, electrical instruments, and optoelectronic devices, are prepared from BC composites with conductive materials. In this review, we compiled various synthetic approaches for BC composite synthesis, classes of BC composites, and applications of BC composites. This study will increase interest in BC composites and the development of new ideas in this field.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Cellulose, microcrystalline, powder
Sigma-Aldrich
Cellulose, microcrystalline, powder, 20 μm
Sigma-Aldrich
Cellulose, colloidal, microcrystalline
Supelco
Cellulose, DFS-0, microcrystalline, suitable for thin layer chromatography (TLC)
Supelco
Cellulose, acid washed, from spruce, for column chromatography
Sigma-Aldrich
Avicel® PH-101, tested according to Ph. Eur.
Supelco
Avicel® PH-101, ~50 μm particle size
Supelco
Cellulose, powder, for column chromatography
Supelco
Cellulose, acid washed, powder, for column chromatography
Sigma-Aldrich
Cellulose, fibers, (medium)
Supelco
Cellulose, DS-0, powder, suitable for thin layer chromatography (TLC)
Sigma-Aldrich
α-Cellulose, powder
Sigma-Aldrich
α-Cellulose, BioReagent, suitable for insect cell culture
Sigma-Aldrich
Sigmacell Cellulose, Type 101, Highly purified, fibers
Sigma-Aldrich
Sigmacell Cellulose, Type 20, 20 μm
Sigma-Aldrich
Sigmacell Cellulose, Type 50, 50 μm