Scaffold controlled pharmaceutical release

Biodegradability is often an important consideration in the development of biomedical, pharmaceutical, and agricultural products for a number of applications. Biodegradable polymers have been formulated for uses such as controlled release and drug-delivery devices, surgical sutures, scaffolds for tissue regeneration, vascular grafts and stents, artificial skin, and orthopedic implants. 

The reduction of polymer viscosity also facilitates the mixing of the polymer with an active component [156], The ability of CO2 to foam polymers provides a convenient method to prepare scaffolds for the application of tissue engineering, providing an environment able to promote the differentiation and growth of tissue. Particle formation [157] provides a route to prepare formulations with controlled release characteristics via encapsulation. The use of CO2 also provides a convenient method to deliver coatings to pharmaceutical formulations [158], A detailed discussion of polymer processing for various pharmaceutical apphca-tions has recently been published [159],... 

Applications artificial fiber (food supplement), artificial tears, food (emulsifier, thickener), glue, mortar, paper, pharmaceutical (controlled release, scaffolds, tablet coating, thickener) Shen, H Ma, Y Luo, Y Zhang, Z Dai, J, Colloids Surf. B Biointerfaces, 135, 332-8, 2015. 

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