University of Tokyo-led researchers embedded heat-stable enzymes in four compostable plastics and tested films and microbeads at sea. Some cutinase-treated films lost nearly all mass within five months at 757 metres, while controls barely changed; PBAT degraded far less, and sustainability remains broader than biodegradation.
(c) Catherine Sheila

Enzimu zilizopachikwa zaharakisha kuvunjika kwa plastiki baharini

PHYS

Timu iliyoongozwa na University of Tokyo iliweka enzimu zinazostahimili joto ndani ya aina nne za plastiki zinazooza kwenye mboji, kisha ikazijaribu baharini. Baadhi ya filamu zenye cutinase zilipoteza karibu uzito wote kwa miezi mitano katika kina cha mita 757; PBAT ilioza kidogo zaidi.

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