Biomass Hydrogel Medicines for Ultrasound Drug Releasing Materials

Document Type

Article

Publication Date

1-1-2022

Abstract

Biomass hydrogels which are basically derived from natural polysaccharides such as cellulose and chitin are emerging advanced materials in biomedical applications. Currently, such polysaccharide hydrogels are popular in smart-drug delivery (DD) and drug release (DR) applications under ultrasound (US) triggers. In such applications, based on the sustainable approach, macro and nano-hydrogel materials have developed with different kinds of encapsulated drugs for particular applications. In this article, different polysaccharide hydrogel systems which are studied for US-stimulated DD and DR will be discussed elaborately. Primarily, the effect of US output power and frequency on DR and DD efficiency is considered because US-stimulated DD and DR are basically affected by characteristics of the US used. Hydrogel is a 3-dimensional (3D) porous material, and this remarkable structure is significantly affected for the properties exhibited by the hydrogels, which are favorable to use in medical applications. The relationship between the hydrogel structure and DD/DR systems is also considered, while their properties were discussed in the next section of the article. Further, the effects of US on the hydrogel matrix are considered in the latter part of the article. This article will be a valuable resource for a reader who is expecting well-stipulated knowledge on biomass-based hydrogel in US-stimulated DD and DR applications.

Publication Source (Journal or Book title)

Encyclopedia of Materials: Plastics and Polymers

First Page

653

Last Page

662

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