Asian Journal of Biomedical and Pharmaceutical Sciences

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Hydrogel

A hydrogel is a three dimensional (3D) network of polymer chains that are hydrophilic, that can swell in water and hold a large amount of water while maintaining the structure being held together by cross-links. These are used for producing hygiene products, wound dressings and contact lenses. Also used commercially in drug delivery and tissue engineering and more developments are expected in these fields. High costs of production of hydrogels are limiting their further commercialization. Hydrogels are usually prepared from polar monomers. Based on their starting materials, they can be divided into natural polymer, synthetic polymer hydrogel and combination of these two. These exhibit pH-neutral and are non toxic and eco-friendly compounds in their polymer form when they break down it release compunds which are toxic.

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