Izimbobo ze-antimicrobial polyurea ezinamabala angavamile emhlabeni-ezi-doped nano-zinc onide izinhlayiya
Umthombo: I-Azo impahla ye-Covid-19 Ubhubhane ikhombise isidingo esiphuthumayo sezimbali ezi-antiviral ne-antimicrobial zokugcina izikhala ezindaweni zomphakathi kanye nezindawo zezempilo. Ucwaningo lwakamuva olushicilelwe ngo-Okthoba 2021 ejeni le-Biobial Biotechnology selikhombise i-Nano-zinc oxide evuthayo i-Polyureagea Comboings efuna ukuqubuka kwezifo eziningi, izindawo eziphezulu zingumthombo wokuhanjiswa kwama-pathogen. Isidingo sokucindezela samakhemikhali asheshayo, asebenzayo, nawonawo angewona anobuthi kanye ne-antimicrobial engaphezulu ye-antimicrobial kanye ne-antiviral e-antiviral kukhuphukele ezenzweni ze-biotechnology, kanye nezinto zokwenziwa ngezinto eziphilayo ze-antimiral kunganciphisa ubungozi bokudluliselwa kwegciwane nokubulala ama-bicroorganisms kanye nama-microorganisms lapho uxhumana. Bavimba ukukhula kwama-microorganisms ngokuphazamiseka kuka-mobile membrane. Baphinde bathuthukise izakhiwo zobuso, njengokumelana nokugqwala nokuqina.) kuya esikhungweni saseYurophu sokulawulwa kwezifo kanye nokuvimbela abantu abayizigidi ezingama-4 (cishe kabili abantu baseMexico) munye umuntu ohlelelekile empilweni. Lokhu kuholela ekufeni kwabantu abacishe babe ngu-37 000 emhlabeni wonke, kunesimo esibi ikakhulukazi emazweni asathuthuka lapho abantu bangakwazi ukufinyelela ekuhlaselweni kwendle kanye nengqalasizinda yezempilo. Emhlabeni waseNtshonalanga, i-HCAIS iyimbangela yesithupha enkulu yokufa.Imbathina etholakala ekungcoleni ngamagciwane namagciwane - ukudla, imishini, indawo nezindonga nezindwangu nje. Ngisho namashejuli ejwayelekile wokuhlanza kwendle angeke abulale yonke i-microbe ekhona ezindaweni eziphakemeyo, ngakho-ke kunesidingo sokucindezela ukuthuthukisa ukukhula okungaphezulu kwensimbi engafika emahoreni angama-72, kukhombisa i-antiviral comboring enezinto ezivuthayo ze-antiviral. Izindawo ze-antimicrobial zisetshenzisiwe ezilungiselelweni zezempilo isikhathi esingaphezu kweshumi leminyaka, esetshenziselwa ukulawula ukuqubuka kwe-MRSA. Ukusetshenziswa kwe-zno kuhlolwe kakhulu eminyakeni yamuva njengesithako esisebenzayo kumakhemikhali amaningi aphilayo nawegciwane. Izifundo eziningi zobuthi zithole ukuthi i-ZNO ayinazo ubuthi kubantu nasezilwaneni kodwa isebenza kahle kakhulu ekuphazamiseni izimvilophini zamaselula zama-microorganisms.Izindlela zokubulala ezi-microorganism ze-zinc oxide zingabangelwa izakhiwo ezimbalwa. I-ZN2 + i-Ion ikhishwa ngokuchithwa okuyingxenye kwezinhlayiya ze-zinc oxide eziphazamisa eminye imisebenzi ye-antimicrobial ngisho nakwamanye amagciwane akhona, kanye nokuxhumana okuqondile kwe-oxygen kanye nezisombululo eziphakeme ze-antimicrobicles zikhuphule umsebenzi wokulwa namagciwane. I-Zinc oxide nanoparticles encane kakhulu ngosayizi ingena kalula kulwelwesi lwamaseli we-microbial ngenxa yendawo yawo enkulu yokugqoka. Izifundo eziningi, ikakhulukazi eSARS-CoV-2 muva nje, ziye zacacisa isenzo esifanayo ngokumelene namagciwane e-nano-zinc oxide ukudala indawo yokuthola i-polyureagea ye-polyurea elungiselelwe ngokushesha Izinhlanzi ezi-Rare-Zinc-Zinc oxide ezidalwe ngokuxuba ama-nanoparticles anomhlaba ongandile we-nitric acid.I-ZNO Nanoparticles kwatholakala i-lanthanum (GD), kanye ne-gadolinium (GD), ne-Gadolium-Doped Nanthanum-Doped Nanthanum (GD I-Aeruginosa kanye ne-E. Coli bacterial strains.I-nanoparticles nayo ihlala isebenza ngempumelelo ekubulaleni ama-virobes, ngisho nangemva kwemizuzu engama-25 yokuchayeka ekukhanyisweni kwe-UV. Izinhlayiya ze-nano-zinc oxide ezihloliwe ocwaningweni zingakhombisa ukusabela okungcono kokukhanya kwe-UV nokuphendula okushisayo kwezinguquko zokushisa. Ama-Bioassays kanye nokuqhakambisa okungaphezulu kwanikeza ubufakazi obugcina ubufakazi obugcina imisebenzi yabo ye-antimicrobial ngemuva kokuphinda kabili kwe-wpolyure esetshenzisiwe. Ukuqina kwezindawo ezihlanganiswe nemisebenzi ye-antimicrobial kanye nokuphendula kwemvelo kwezinhlayiya ze-nano-zno kunikeza ukuthuthukiswa kwamathuba awo okusebenza kwezilungiselelo ezahlukahlukene futhi kuvinjelwe ukuhanjiswa kwe-HPAIT kwezilungiselelo zezempilo. Kukhona futhi amandla okusetshenziswa kwawo embonini yokudla ukuhlinzeka nge-antimicrobial antimicrobial kanye nemicu, ethuthukisa ikhwalithi kanye neshelufu impilo yokudla ngokuzayo. Ngenkathi lolu cwaningo lusekusezingeni layo, akunakungabaza kungekudala ukuthi kungekudala kuphume elabhorethri nasendaweni yezentengiso.
Isikhathi sePosi: Jul-04-2022