He rauemi hiato papanga hautai tioata ka taea te whakarite hei whakakore i ngā tūmomo riri koiora me ngā tūmomo riri matū. Puna whakaahua: Te Whare Wānanga o Northwestern
Ka taea te whakamahi i te rauemi muka maha-mahi kua hoahoatia i konei hei kakahu tiaki i ngā tūmomo riri koiora me te matū.
Ko ngā papanga patu pepeke me te whakaora i ngā paitini e ahu mai ana i te N-chloro, he maha ngā mahi, ā, he mea whakahou ake, e whakamahi ana i te anga matū zirconium pakari (MOF).
He tere te mahi a te rauemi muka hiato ki ngā huakita Gram-negative (E. coli) me ngā huakita Gram-positive (Staphylococcus aureus), ā, ka taea te whakaiti i ia momo tae atu ki te 7 logarithms i roto i te 5 meneti.
Ka taea e ngā rauemi muka/MOF kua whakakiia ki te chlorine hohe te whakahoro tere i te ranu whanariki me tōna matū rite 2-chloroethyl ethyl sulfide (CEES) me te haurua-ora iti iho i te 3 meneti.
Kua whakawhanakehia e tētahi rōpū rangahau mai i Te Whare Wānanga o Northwestern tētahi papanga hiato maha-mahi ka taea te whakakore i ngā tūmomo riri koiora (pērā i te mate korona hou e hua ai te COVID-19) me ngā tūmomo riri matū (pērā i ngā mea e whakamahia ana i roto i ngā pakanga matū).
I muri i te mōrearea o te papanga, ka taea te whakahoki i te papanga ki tōna āhua taketake mā te whakamahi i tētahi maimoatanga mā te whakamā.
"He mea nui te whai rauemi mahi-rua ka taea te whakakore i ngā paitini matū me ngā paitini koiora i te wā kotahi nā te mea he tino uaua te whakauru i ngā rauemi maha hei whakaoti i tēnei mahi," te kī a Omar Farha o Te Whare Wānanga o Northwestern, he tohunga anga whakarewa-oraora, he tohunga MOF rānei, koinei te tūāpapa o te hangarau.
He ahorangi matū a Farha i te Kura Toi me te Pūtaiao o Weinberg, ā, ko ia te kaituhi tahi o te rangahau. He mema ia nō te International Institute of Nanotechnology i te Whare Wānanga o Northwestern.
Ko ngā rauemi hiato MOF/muka i ahu mai i ngā rangahau o mua i hangaia ai e te tīma a Farha he rauemi nano ka taea te whakakore i ngā matū io paitini. Mā roto i ētahi mahi iti, ka taea hoki e ngā kairangahau te tāpiri i ngā matū ārai huaketo me ngā matū patu huakita ki te rauemi.
I kī a Faha he "hautai kaukau tino tika" te MOF. He maha ngā kōhao i hangaia mō ngā rauemi nano-rahi, ka taea te hopu i te hau, te kohu me ētahi atu matū pērā i te hautai e hopu ana i te wai. I roto i te papanga hiato hou, kei roto i te kōhao o te MOF he whakakorikori ka taea te whakakore i ngā matū paitini, ngā huaketo me ngā huakita. Ka taea te pani ngāwari i ngā rauemi nano-pūwero ki ngā muka kakahu.
I kitea e ngā kairangahau he tere te mahi a ngā rauemi muka/MOF ki te SARS-CoV-2, tae atu ki ngā huakita Gram-negative (E. coli) me ngā huakita Gram-positive (Staphylococcus aureus). Hei tāpiri, ka taea e ngā rauemi muka/MOF kua whakakiia ki te chlorine hohe te whakangaro tere i te hau māti me ōna matū rite (2-chloroethyl ethyl sulfide, CEES). He whānui ngā nanopores o te rauemi MOF kua pania ki te kakahu kia puta ai te werawera me te wai.
I tāpiri atu a Farha, ka taea te whakawhānui i tēnei rauemi hiato nā te mea he taputapu tukatuka kakahu taketake anake e whakamahia ana i roto i te ahumahi. Ina whakamahia ngātahi me te kopare kanohi, me taea e te rauemi te mahi i te wā kotahi: ki te tiaki i te kaimau kopare mai i ngā huaketo e tata ana ki a rātou, me te tiaki hoki i ngā tāngata e pā atu ana ki te tangata pangia e mau ana i te kopare kanohi.
Ka taea hoki e ngā kairangahau te mārama ki ngā pae hohe o ngā rauemi i te taumata ngota. Mā tēnei ka taea e rātou me ētahi atu te whakatau i ngā whanaungatanga hanganga-mahi hei waihanga i ētahi atu rauemi hiato e hangai ana ki te MOF.
Whakakorea te hauota hohe hou i roto i ngā hiato kakahu MOF e hangai ana ki te zirconium hei whakakore i ngā tūmomo riri koiora me te matū. Journal of the American Chemical Society, Mahuru 30, 2021.
Momo Whakahaere Momo Whakahaere Rāngai Tūmataiti/Ahumahi Mātauranga Kāwanatanga ā-Motu Kāwanatanga ā-Rohe Hōia Kore-moni Pāpāho/Whakapāhotanga ā-Iwi Ētahi atu
Wā tuku: Oketopa-23-2021