Phuputso ea morao-rao ea Univesithi ea Cincinnati (UC) e senola kamano pakeng tsa ho pepesetsoa per- le poly-fluoroalkyl substances (PFAS) le ho lieha ho kena bohlankaneng ho banana. PFAS ke litšila tse tloaelehileng tsa tikoloho tse bitsoang "lik'hemik'hale tsa ka ho sa feleng." Lik'hemik'hale tsena tse kotsi li sebelisetsoa ho etsa lihlahisoa tse fapaneng tsa tikoloho le tsa bareki tse kang li-foam tse timang mollo le lihlahisoa tse sa tsitsang.