New strategy for polyethylene terephthalate upcycling

Polyethylene terephthalate (PET), one of the most consumed synthetic polyesters, has a challenging recycling process. Current PET recycling methods have achieved downcycling, which produces low-value products like PET textiles. ...

Color-changing material indicates when medications get too warm

Some foods and medicines, such as many COVID-19 vaccines, must be kept cold. As a step toward a robust, stable technique that could indicate when these products exceed safe limits, researchers in ACS Nano report a class of ...

Biocompatible polymer protection for vaccines and drugs

A biocompatible polymer could help deliver vaccines and drugs with reduced risk of the rare dangerous adverse reaction called anaphylaxis. Researchers at the National Institute of Advanced Industrial Science and Technology ...

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