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- 1Saitama team turns waste polyamide into tunable carbon quantum dots▼Saitama University research team tunes carbon quantum dot emission from UV to yellow-green using waste polyamide
Researchers at Saitama University in Japan have developed carbon quantum dots from waste polyamide plastic, tuning their light emission across a range from ultraviolet to yellow-green. The work offers a way to convert plastic waste into useful fluorescent nanomaterials with potential applications in imaging, sensors and display technology, drawing attention for combining recycling with advanced materials science.
- 2Amidases and urethanases advance plastic depolymerization research▼Advances in amidases and urethanases as depolymerization biocatalysts
Researchers publishing in Nature review progress on amidases and urethanases, enzymes that can break down amide and urethane bonds found in materials such as polyurethanes and polyamides. The work highlights how these biocatalysts could enable enzymatic recycling of plastics that are difficult to process chemically, supporting more sustainable waste management and circular plastic economies.