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Patent Pick: Aqueous-compatible Nanoparticle Skin Care

October 16, 2015 | Contact Author | By: Cosmetics & Toiletries editors
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Patent Picks are chosen by the editors from publicly available sources. Today's pick relates to polydots to enable the formation of aqueous-compatible nanoparticle compositions for various skin treatments.

Aqueous-compatible nanoparticle skin treatments
WIPO Patent Application WO/2015/157688
Publication date: Oct. 15, 2015
Assignee: Wake Forest University

According to these inventors, conjugated polymers are readily soluble in organic solvents but insoluble in aqueous media. Such insolubility has limited their application by requiring aqueous solvents and/or phases.

In response, this invention relates to composite polymeric nanoparticle compositions that are compatible with aqueous-based media. The compositions consist of a photoluminescent and a photo-thermal component, and are used with a source of radiation that matches all or part of the absorption profiles of these components.

In some embodiments, this system can be used to treat diseased tissue, adipose tissue and/or tissue infected with microbial or viral agents, or altered or removed surgically. The treated tissue may also be ophthalmologic, such as retinal tissue, or dental tissue. Further, wound dressings are described  employing said treatment system.