Naukowcy z University of Central Florida opracowali środek dezynfekujący na bazie nanocząsteczek, który nieprzerwanie, przez maksymalnie 7 dni, może zabijać wirusy. Badacze podkreślają, że rozwiązanie jest potężną bronią przeciwko wielu chorobom na tle wirusowym, a także może ograniczać rozprzestrzenianie się patogenów w szpitalach.
W czasopiśmie naukowym Amerykańskiego Towarzystwa Chemicznego „ACS Nano” zostały opublikowane badania nad nowym długotrwałym środkiem dezynfekującym. Wynalazek jest owocem prac multidyscyplinarnego zespołu uniwersyteckich ekspertów, wirusologów i inżynierów.
Wysoka i długotrwała skuteczność w walce z patogenami
Aktywnym składnikiem innowacyjnego środka do dezynfekcji jest tlenek ceru, który znany jest ze swoich regeneracyjnych właściwości przeciwutleniających. Nanocząsteczki tlenku ceru są modyfikowane niewielkimi ilościami srebra, by zwiększyć skuteczność w walce z patogenami.
Dr Sudipta Seal, inżynier materiałów UCF i ekspert w dziedzinie nanonauki, podkreśla, że środek działa zarówno chemicznie, jak i mechanicznie. „Nanocząsteczki emitują elektrony, które utleniają potencjalnego wirusa, co czyni go nieaktywnym. Mechanicznie przyczepiają się również do wirusa i rozrywają jego powierzchnię” – podkreśla ekspert.
Naukowcy podkreślają, że większość środków dezynfekujących dostępnych na rynku odkaża powierzchnię w ciągu trzech do sześciu minut od nałożenia. Po tym czasie tracą one jednak swoją zdolność do zabijania wirusów. By powierzchnia została wolna od wirusów, należy ją przecierać wielokrotnie. Formuła nanocząsteczkowa z kolei ma zdolność dezynfekcji do nawet 7 dni po aplikacji.
Nowa broń w walce z zakażeniami
Dr Griff Parks, wirusolog z College of Medicine, zwraca uwagę, że środek wykazał ogromną zdolność przeciwwirusową przeciwko siedmiu różnym wirusom.
– Nie tylko wykazał właściwości przeciwwirusowe w stosunku do koronawirusa i rinowirusa, ale także okazał się skuteczny przeciwko szerokiej gamie innych wirusów o różnej strukturze i złożoności. Mamy nadzieję, że przy tak niesamowitym zakresie zdolności zabijania, ten środek dezynfekujący będzie również wysoce skutecznym narzędziem w walce z wirusami – dodał ekspert.
Naukowcy są przekonani, że rozwiązanie będzie miało również duży wpływ na ograniczenie zakażeń w placówkach opieki zdrowotnej, a w szczególności wpłynie na rozprzestrzenianie się w szpitalach gronkowca złocistego, pałeczki ropy błękitnej czy bakterii gram-dodatnich, takich jak Clostridium difficile.
Innowacyjny środek dezynfekujący jest bezpieczny w użyciu
W przeciwieństwie do innych środków dezynfekujących, preparat opracowany na uniwersytecie we Florydzie, nie zawiera szkodliwych chemikaliów i jest bezpieczny w użyciu na każdej powierzchni. Ponadto testy dotyczące podrażnienia skóry czy oczu, nie wykazały żadnych szkodliwych działań.
Zanim produkt trafi na rynek, potrzebne są jednak dalsze badania. Przeprowadzone zostaną testy w rzeczywistych warunkach, poza laboratorium. Badania będą dotyczyć wpływu temperatury czy światła słonecznego na środek dezynfekujący. Zespół naukowców prowadzi również rozmowy ze szpitalami, by przeprowadzić testy także w placówkach opieki medycznej.
Źródło: sciencedaily.com
Przeczytaj także: „Substancje, którymi zostałam oparzona, były silnie żrące. Nawet lekarze nie wiedzieli, jak z nimi postępować” – historia pacjentki z oparzeniami chemicznymi
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