journal article·2006-08-04Open access

Osmoresponsive Glasses: Osmotically Triggered Volume Changes of Organosilica Sol–Gels as a Means for Controlled Release of Biomolecules

B. C. Dave, K. Deshpande, M. S. Gebert, J. C. McAuliffe

Advanced Materials· Volume 18· Issue 15

Abstract

Organosilica sol–gels are shown to exhibit bulk volume changes when the osmolarity of the external medium is altered (see figure). These glasses stabilize enzymes in low-water-content laundry detergent formulations, and when diluted with water, the enzymes can be released on demand for potential applications in fabric care systems. Such osmotic triggering is reminiscent of osmoregulation and osmoadaption in natural biological systems.
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Research context

OpenAlex topics: biodegradable polymer synthesis and properties · Hydrogels: synthesis, properties, applications · Pickering emulsions and particle stabilization

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