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Electrospun cellulose acetate nanofibers: the present status and gamut of biotechnological applications.

Biotechnology advances (2013-01-16)
Rocktotpal Konwarh, Niranjan Karak, Manjusri Misra
ABSTRACT

Cellulose acetate (CA) has been a material of choice for spectrum of utilities across different domains ranging from high absorbing diapers to membrane filters. Electrospinning has conferred a whole new perspective to polymeric materials including CA in the context of multifarious applications across myriad of niches. In the present review, we try to bring out the recent trend (focused over last five years' progress) of research on electrospun CA fibers of nanoscale regime in the context of developmental strategies of their blends and nanocomposites for advanced applications. In the realm of biotechnology, electrospun CA fibers have found applications in biomolecule immobilization, tissue engineering, bio-sensing, nutraceutical delivery, bioseparation, crop protection, bioremediation and in the development of anti-counterfeiting and pH sensitive material, photocatalytic self-cleaning textile, temperature-adaptable fabric, and antimicrobial mats, amongst others. The present review discusses these diverse applications of electrospun CA nanofibers.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Cellulose, colloidal, microcrystalline
Sigma-Aldrich
Cellulose, microcrystalline, powder
Sigma-Aldrich
Cellulose, microcrystalline, powder, 20 μm
Supelco
Cellulose, DS-0, powder, suitable for thin layer chromatography (TLC)
Sigma-Aldrich
Avicel® PH-101, tested according to Ph. Eur.
Supelco
Avicel® PH-101, ~50 μm particle size
Supelco
Cellulose, DFS-0, microcrystalline, suitable for thin layer chromatography (TLC)
Supelco
Cellulose, acid washed, from spruce, for column chromatography
Supelco
Cellulose, powder, for column chromatography
Sigma-Aldrich
Cellulose, fibers, (medium)
Supelco
Cellulose, acid washed, powder, for column chromatography
Sigma-Aldrich
α-Cellulose, BioReagent, suitable for insect cell culture
Sigma-Aldrich
α-Cellulose, powder
Sigma-Aldrich
Cellulose acetate, average Mn ~30,000 by GPC
Sigma-Aldrich
Cellulose acetate, average Mn ~50,000 by GPC
Sigma-Aldrich
Sigmacell Cellulose, Type 50, 50 μm
Sigma-Aldrich
Sigmacell Cellulose, Type 101, Highly purified, fibers
Sigma-Aldrich
Sigmacell Cellulose, Type 20, 20 μm
Cellulose acetate, European Pharmacopoeia (EP) Reference Standard