Mea hui lole hūpē kristala hiki ke hoʻolālā ʻia i hoʻohana ʻia e hoʻopau i nā hoʻoweliweli olaola a me nā kemika. Puna kiʻi: Ke Kulanui ʻo Northwestern
Hiki ke hoʻohana ʻia ka mea hui fiber multifunctional MOF i hoʻolālā ʻia ma ʻaneʻi ma ke ʻano he lole pale e kūʻē i nā hoʻoweliweli olaola a me nā kemika.
Hoʻohana nā lole insecticidal a me detoxifying N-chloro-based multifunctional a me ka hou i kahi ʻōnaehana organik zirconium metal ikaika (MOF)
Hōʻike ka mea hui fiber i ka hana biocidal wikiwiki e kūʻē i nā bacteria Gram-negative (E. coli) a me nā bacteria Gram-positive (Staphylococcus aureus), a hiki ke hoʻemi ʻia kēlā me kēia ʻano a hiki i 7 logarithms i loko o 5 mau minuke.
Hiki i nā hui MOF/fiber i hoʻouka ʻia me ka chlorine hana ke hoʻohaʻahaʻa koke a koho ʻole i ka mustard sulfur a me kāna analogue kemika 2-chloroethyl ethyl sulfide (CEES) me ka hapalua ola ma lalo o 3 mau minuke.
Ua hoʻomohala kahi hui noiʻi mai ke Kulanui ʻo Northwestern i kahi lole hui multifunctional e hiki ke hoʻopau i nā hoʻoweliweli olaola (e like me ka coronavirus hou e hoʻoulu ai i ka COVID-19) a me nā hoʻoweliweli kemika (e like me nā mea i hoʻohana ʻia i ke kaua kemika).
Ma hope o ka hoʻoweliweli ʻia ʻana o ka lole, hiki ke hoʻihoʻi ʻia ka mea i kona kūlana mua ma o kahi hana hoʻokeʻokeʻo maʻalahi.
"He mea koʻikoʻi ka loaʻa ʻana o kahi mea hana pālua e hiki ke hoʻopau i nā mea ʻawahia kemika a me nā mea olaola i ka manawa like no ka mea he kiʻekiʻe loa ka paʻakikī o ka hoʻohui ʻana i nā mea he nui e hoʻopau i kēia hana," wahi a Omar Farha o ke Kulanui ʻo Northwestern, he loea i ka ʻōnaehana metala-organic a i ʻole MOF, ʻo ia ke kumu o ka ʻenehana.
He polopeka kemika ʻo Farha ma ke Kula ʻo Weinberg no nā Hana Noʻeau a me nā ʻEpekema a ʻo ia ka mea kākau like o ke aʻo ʻana. He lālā ʻo ia o ka International Institute of Nanotechnology ma ke Kulanui ʻo Northwestern.
Hoʻokumu ʻia nā hui MOF/fiber ma luna o ka noiʻi mua kahi i hana ai ka hui a Farha i kahi nanomaterial hiki ke hoʻopau i nā mea ʻawahia o ke aʻalolo. Ma o kekahi mau hana liʻiliʻi, hiki i nā mea noiʻi ke hoʻohui i nā mea antiviral a me nā antibacterial i ka mea.
Ua ʻōlelo ʻo Faha he "hupa ʻauʻau pololei" ʻo MOF. Ua hoʻolālā ʻia nā mea nui nano me nā lua he nui, hiki ke hoʻopaʻa i ke kinoea, ka mahu a me nā mea ʻē aʻe e like me ka hupa e hoʻopaʻa ana i ka wai. I loko o ka lole hui hou, loaʻa i ka lua o ka MOF kahi mea hoʻoulu e hiki ke hoʻopau i nā kemika ʻawahia, nā virus a me nā bacteria. Hiki ke uhi maʻalahi ʻia nā nanomaterials porous ma nā olonā lole.
Ua ʻike nā kānaka noiʻi ua hōʻike nā hui MOF/fiber i ka hana wikiwiki e kūʻē i ka SARS-CoV-2, a me nā bacteria Gram-negative (E. coli) a me nā bacteria Gram-positive (Staphylococcus aureus). Eia kekahi, hiki i nā hui MOF/fiber i hoʻouka ʻia me ka chlorine hana ke hoʻohaʻahaʻa koke i ke kinoea mustard a me kāna mau mea like kemika (2-chloroethyl ethyl sulfide, CEES). ʻO nā nanopores o ka mea MOF i uhi ʻia ma luna o ka lole he laulā e ʻae i ka hou a me ka wai e puka.
Ua hoʻohui ʻo Farha he hiki ke hoʻonui ʻia kēia mea i hui pū ʻia no ka mea ʻo ia wale nō ka mea e pono ai nā lako hana lole maʻamau i hoʻohana ʻia i kēia manawa ma ka ʻoihana. Ke hoʻohana ʻia me ka pale maka, pono e hiki i ka mea ke hana i ka manawa like: e pale i ka mea e ʻaʻahu ana i ka pale maka mai nā maʻi ma ko lākou wahi kokoke, a e pale i nā poʻe e pili ana me ka mea i loaʻa i ka maʻi e ʻaʻahu ana i ka pale maka.
Hiki i nā kānaka noiʻi ke hoʻomaopopo i nā wahi hana o nā mea ma ka pae atomika. ʻAe kēia iā lākou a me nā poʻe ʻē aʻe e loaʻa nā pilina hana-ʻano e hana i nā mea hui ʻē aʻe e pili ana i ka MOF.
E hoʻopaʻa i ka chlorine hana hou i loko o nā hui lole MOF i hoʻokumu ʻia i ka zirconium e hoʻopau i nā hoʻoweliweli olaola a me nā kemika. Journal of the American Chemical Society, Kepakemapa 30, 2021.
ʻAno Hui ʻAno Hui ʻĀpana Pilikino/ʻOihana Hoʻonaʻauao Aupuni Pekelala Aupuni Mokuʻāina/Kūloko Pūʻali Koa ʻAʻole Loaʻa Waiwai Media/Pilina Lehulehu ʻē aʻe
Ka manawa hoʻouna: ʻOkakopa-23-2021