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Powstał antybakteryjny bandaż w żelu na bazie skorupy duriana

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Naukowcy z Nanyang Technological University w Singapurze opracowali żelowy bandaż o antybakteryjnych właściwościach. Nowoczesny opatrunek powstał ze skorup tropikalnego owocu.

Innowacyjny opatrunek opracowany przez zespół naukowców z Singapuru jest nietoksyczny i biodegradowalny. Antybakteryjne działanie bandaż zawdzięcza naturalnym fenolom drożdżowym wytwarzanym z drożdży piekarskich. Opatrunek przypomina właściwościami syntetyczne silikonowe hydrożele i może być dowolnie docinany do kształtu i rozmiaru rany.

Wyniki badań nad innowacyjnym wynalazkiem zostały opublikowane w czasopiśmie naukowym „ACS Sustainable Chemistry & Engineering”.

Medyczne zero-waste

Naukowcy z Nanyang Technological University wykorzystali do stworzenia nowego opatrunku łupiny duriana, który jest jednym z najbardziej popularnych owoców w Azji Południowo-Wschodniej. W samym tylko Singapurze rocznie zjada się ok 10 mln durianów. 60 proc. owocu stanowi łupina, która trafia od odpadków, a następnie jest spalana, co stanowi znaczne obciążenie dla środowiska. Naukowcy znaleźli sposób, by efektywnie wykorzystać te odpadki w medycynie.

W ramach projektu badawczego ze skorupy owocu wydobyto wysokiej jakości celulozę i następnie połączono ją z glicerolem, który jest produktem ubocznym przy produkcji mydła i biodiesli. W ten sposób powstał miękki żel przypominający silikonowe opatrunki.

Jak zwraca uwagę prof. William Chen, dyrektor NTU’s Food Science and Technology Programme i główny autor projektu:

– Ze względu na rosnący problem antybiotykoopornych superbakterii potrzebujemy wielu alternatywnych metod walki z infekcjami. Efektywnym sposobem zabezpieczania ran przewlekłych przed drobnoustrojami jest stosowanie antybakteryjnych bandaży, które są biokompatybilne i mogą być stosowane przez dłuższy okres czasu – wyjaśnia ekspert i dodaje: – Poprzez wykorzystanie odpadów, które obecnie są wyrzucane w ogromnych ilościach, takich jak łupiny duriana i glicerol, możemy zamienić odpady w wartościowy zasób medyczny, przyspieszający leczenie ran i zmniejszający ryzyko infekcji.

Mniejsze koszty

Jak zwraca uwagę prof. William Chen, dostępne na rynku opatrunki hydrożelowe powstają z syntetycznych materiałów takich jak m.in. polimetakrylan oraz poliwinylopirolidyna. W celu nadania im właściwości antybakteryjnych do struktury opatrunku dodaje się jony srebra. Wyprodukowanie syntetycznych opatrunków jest znacznie droższe i bardziej skomplikowane niż w przypadku naturalnych hydrożeli na bazie bioodpadów.

Badania nad organicznym hydrożelem z duriana trwały dwa lata. Obecnie zespół badaczy z NTU poszukuje sponsorów, którzy pomogliby wprowadzić innowacyjny opatrunek na rynek.

Źródło: sciencedaily.com

Przeczytaj także: Inteligentny tatuaż – jakie ma zastosowanie w diagnostyce i leczeniu ran?

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