Antimicrobial Polyurea Coatings ine Rare Earth-Doped Nano-Zinc Oxide Particles
kwakabva:AZO MATERIALSDenda reCovid-19 rakaratidza kudiwa kwekukurumidzira kweantiviral uye antimicrobial coatings munzvimbo munzvimbo dzeveruzhinji nenzvimbo dzehutano. Tsvagiridzo ichangoburwa yakabudiswa muna Gumiguru 2021 mugwaro reMicrobial Biotechnology yakaratidza kukurumidza nano-Zinc oxide doped gadziriro ye polyurea coatings iyo inoda kugadzirisa nyaya iyi.Kudiwa kweHygienic SurfacesSezvinoratidzwa nekubuda kwakawanda kwezvirwere zvinotapuriranwa, nzvimbo dzepasi ndidzo dzinotapurirana utachiona. Iko kudiwa kukuru kwemakemikari ekukurumidza, anoshanda, uye asina chepfu uye antimicrobial uye antiviral pamusoro coatings kwakurudzira tsvakiridzo tsvakiridzo muminda biotechnology, indasitiri kemisitiri, uye zvinhu sainzi.Surface coatings ane antiviral uye antimicrobial chiito anogona kuderedza njodzi yehutachiwana uye kuuraya biostructures uye tupukanana pakubata. Ivo vanotadzisa kukura kwema microorganisms kuburikidza ne cell membrane kukanganisa. Vanovandudzawo zvinhu zvepamusoro, zvakadai sekudzivirira kusvibiswa uye kusimba.Sekureva kweEuropean Center for Disease Control and Prevention, vanhu vane mamiriyoni mana (kanenge kaviri nhamba yevanhu veNew Mexico) pasi rose pagore vanowana hutachiona hunoenderana nehutano. Izvi zvinotungamira kufa kwevanhu vanosvika zviuru makumi matatu nenomwe pasi rose, nemamiriro ezvinhu akanyanya kushata munyika dzichiri kusimukira uko vanhu vangangotadza kuwana hutsanana hwakakwana uye hutano hwehutano. Munyika dzekuMadokero, HCAIs ndicho chikonzero chechitanhatu chikuru cherufu.Chinhu chose chinotapukirwa neutachiona nemavhairasi - chikafu, midziyo, nzvimbo nemadziro, uye machira ingori mimwe mienzaniso. Kunyangwe hurongwa hwehutsanana hwenguva dzose hunogona kusauraya hutachiona hwese huripo pamusoro, saka pane chinodiwa chekugadzira machira asina chepfu anodzivirira kukura kwehutachiona kubva kuitika. Munyaya yeCovid-19, zvidzidzo zvakaratidza kuti hutachiona hunogona kuramba huchishanda painogara yakabatwa-stainless simbi uye epurasitiki nzvimbo kweanosvika maawa makumi manomwe nemaviri, ichiratidza kudiwa kwekukurumidzira kwekupfeka kweantiviral. Antimicrobial surfaces yakashandiswa muhutano hwehutano kwemakore anopfuura gumi, ichishandiswa kudzora kubuda kweMRSA.Zinc Oxide - A Widely Explored Antimicrobial Chemical CompoundZinc oxide (ZnO) ine antimicrobial ine simba uye antiviral properties. Kushandiswa kweZnO kwakaongororwa zvakanyanya mumakore achangopfuura sechinhu chinoshanda mune akawanda antimicrobial uye antiviral makemikari. Zvidzidzo zvakawanda zvehuchetura zvakawana kuti ZnO inenge isiri chepfu kuvanhu nemhuka asi inoshanda zvakanyanya pakuvhiringa maenvelope emasero ezvipembenene.Maitirwo ekuuraya utachiona hweZinc oxide anogona kunzi ane zvinhu zvishoma. Zn2 + ions inosunungurwa nekuparara kwechikamu cheZinc Oxide particles iyo inovhiringidza mamwe antimicrobial action kunyange mune mamwe ma microbes aripo, pamwe chete nekubatana zvakananga nemasero emadziro uye kusunungurwa kwemhando yeokisijeni inoshandiswa.Zinc Oxide antimicrobial activity inowedzera kubatanidzwa kune particle size uye kuisa pfungwa: zviduku zviduku uye zvigadziriso zvepamusoro zveZinc antimicrobial zvakawedzera. Zinc Oxide nanoparticles idiki muhukuru inopinda zviri nyore mumicrobial cell membrane nekuda kwenzvimbo yadzo yakakura yakatarisana. Zvidzidzo zvakawanda, kunyanya muSars-CoV-2 munguva pfupi yapfuura, zvakajekesa chiito chinoshanda chakafanana kurwisa mavhairasi.Kushandisa RE-Doped Nano-Zinc Oxide uye Polyurea Coatings Kugadzira Surfaces ine Superior Antimicrobial PropertiesChikwata cheLi, Liu, Yao, naNarasimalu chakurudzira nzira yekukurumidza kugadzirira antimicrobial nepolyureedoncrear-intropeed-polyurea-doncreath-coating. Oxide particles yakagadzirwa nekusanganisa nanoparticles nepasi risingawanzo mu nitric acid.ZnO nanoparticles dzakagadzirwa neCerium (Ce), Praseodymium (Pr), Lanthanum (LA), uye Gadolinium (Gd.) Lanthanum-doped nano-Zinc Oxide particles yakawanikwa iine 85% inoshanda kurwisa mabhakitiriya eP. nanoparticles zvakare inoramba iine 83% inoshanda pakuuraya hutachiona, kunyangwe mushure memaminitsi makumi maviri nemashanu ekuratidzwa kune UV mwenje. Iyo doped nano-Zinc Oxide zvidimbu zvakaongororwa muchidzidzo zvinogona kuratidza yakagadziridzwa UV mwenje mhinduro uye yekupisa yekupindura kune tembiricha shanduko. Bioassays uye chimiro chepamusoro chakapawo humbowo hwekuti nzvimbo dzinochengeta mashandiro emishonga inorwisa utachiona mushure mekushandisa kasingaperi.Polyurea coatings inewo kusimba kwakanyanya uye ine njodzi shoma yekusvuura nzvimbo. Kugara kwenzvimbo pamwe chete nemishonga inorwisa utachiona uye mhinduro yezvakatipoteredza yezvimedu zve nano-ZnO zvinopa kuvandudzwa kwekugona kwavo kushandiswa kwemaitiro mumhando dzakasiyana-siyana uye maindasitiri.Zvinogona KushandisaIyi Tsvakurudzo inoratidza kugona kukuru kwekutonga kwekubuda kweramangwana uye kumisa kutapurirana kweHPAI munzvimbo dzehutano. Kune zvakare mukana wekushandisa kwavo muindasitiri yezvekudya kupa antimicrobial kurongedza uye mafiber, kuvandudza kunaka uye sherufu-hupenyu hwechikafu mune ramangwana. Nepo tsvakiridzo iyi ichiri kutanga, pasina mubvunzo ichakurumidza kubuda murabhoritari ichienda kunzvimbo yekutengeserana.
Nguva yekutumira: Jul-04-2022