Biotox Lab

🌊 A new type of plastic developed at the RIKEN Center for Emergent Matter Science in Japan has been making headlines — and for good reason. Unlike conventional plastics that persist in the ocean for decades and fragment into microplastics, this new supramolecular material is designed to break down completely in seawater, decomposing into its basic monomers, which can then be processed by natural bacteria.

Bernardo Duarte was recently invited by Versa to comment on the relevance of this discovery for marine pollution, and here is my take:

This is a genuinely promising development — but we need to be measured in our expectations. The material's key advantage is not simply that it degrades faster, but that it is designed to have a much less harmful end of life. It does not fragment into persistent microplastic particles that enter food chains, including the fish species we consume. Its components can even be recovered for recycling, pointing toward a more circular model.

However, this discovery does not remove the plastic already present in our oceans. It is still at a stage that requires further development, rigorous testing, and industrial-scale production. The most accurate framing is this: it may be an important piece in containing and reducing future plastic pollution — but it is not, on its own, a definitive solution to reverse the damage already done.

Science gives us tools. Using them wisely — and communicating them honestly — is equally our responsibility.

🔗 Read the full article (in Portuguese): https://versa.iol.pt/plastico/poluicao/e-o-fim-do-plastico-e-da-poluicao-no-mar-investigador-portugues-esclarece-descoberta-no-japao/20260318/69baa130d34edcee7c620409



Faculdade de Ciências da Universidade de Lisboa
MARE - Centro de Ciências do Mar e do Ambiente
ARNET - Aquatic Research Network

É o fim do plástico e da poluição no mar? Investigador português esclarece descoberta no Japão Os oceanos estão sob pressão crescente devido à poluição por plásticos, mas a ciência poderá ter encontrado uma solução. Em resposta à VERSA, o Investigador e Professor Bernardo Duarte, Faculdade de Ciências ULisboa, esclarece esta descoberta.