Khetha ha e ipapise le ho hlophisa.Mohlophisi oa rona o khethile limpho le lihlahisoa tsena hobane re nahana hore u tla li thabela ka litheko tsena.Haeba u reka thepa ka lihokelo tsa rona, re ka fumana li-commissions.Ho tloha nakong ea phatlalatso, litheko le ho fumaneha ha tsona li nepahetse.
Kamora selemo sa ho tloaeleha ha limaske, bo-ramahlale le litsebi tsa bongaka naheng ka bophara ba ntse ba ithuta hore na ke lesela lefe le ka re sireletsang hamolemo ho coronavirus.Ke habohlokoa ho hlokomela hore bafuputsi ba ntse ba ithuta ka silika.Ka Loetse 2020, bafuputsi Univesithing ea Cincinnati ba bonts'itse hore ha ho bapisoa le likhoele tsa k'hothone le polyester, silika ke eona e sebetsang ka ho fetesisa ho thibela marotholi a manyane a aerosol ho kenella ka limaske sebakeng sa laboratori - ho kenyeletsoa marotholi a ho hema a jereng Covid-19, 'me a lokolloe ha a tšoaelitsoe. batho ba thimola, ba khohlela kapa ba bua le kokoana-hloko.Ho latela Centers for Disease Control and Prevention (CDC), ena ke eona tsela e ka sehloohong eo coronavirus e hasanang ho tloha ho motho ho ea ho e mong.
Dr. Patrick A. Gera, motlatsi oa moprofesa Lefapheng la Biological Sciences Univesithing ea Cincinnati, o hlalositse hore ka lebaka la hydrophobicity ea eona e ikhethang-kapa bokhoni ba eona ba ho leleka metsi-ha ho bapisoa le lisebelisoa tse ling, silika e atleha ho thusa ho thibela marotholi a mangata a metsi ho kena. maske.bohareng.Mongoli-'moho oa thuto.Ntle le moo, boithuto bo fumane hore ha mask a silika a kentsoe mochining o phefumolohang (mofuta oa mask a habeli) o hlokang ho roaloa makhetlo a mangata, silika e ka thusa ho sireletsa lisebelisoa tsa ts'ireletso tsa motho joalo ka limaske tsa N95.Leha ho le joalo, CDC e khothaletsa ho se sebelise li-respirators tse kang N95 le limaske tsa KN95 bakeng sa limaske tse peli.Ho khothaletsoa ka ho khetheha ho roala maske a KN95 ka nako e le 'ngoe: "Ha ua lokela ho sebelisa mofuta ofe kapa ofe oa mask a bobeli holimo kapa tlas'a mask a KN95."
"Mabapi le ho etsa limaske, e ntse e le Wild West," Guerra o itse.Empa re batla litsela tsa ho sebelisa mahlale a motheo le ho sebelisa seo re se tsebang ho li ntlafatsa.
Re buisane le litsebi ka mokhoa oa ho reka limaske tsa silika, mme ra bokella limaske tse ntle ka ho fetisisa tsa silika 'marakeng ho tsoa mefuteng e kang Slip le Vince.
Mask ea silika ea Slip e entsoe ka silika ea 100% ea mulberry mahlakoreng ka bobeli, 'me lesela le ka hare le entsoe ka k'hothone ea 100%.Mask e na le masale a ka feto-fetohang, li-plug tse peli tsa li-silicone tse ncha le mohala oa nko o fetolehang, o ka nkang mela e 10 ea nko.Bokaholimo ba silika ea Slip bo rekisoa ka mekotla ea polokelo, 'me sekoahelo se tla ka mefuta e robeli e fapaneng, ho tloha ho mebala e tiileng joalo ka khauta ea rose le pinki ho isa ho lipaterone tse kang rose Leopard le Horizon.Slip e khothaletsa ho hloekisa maske ho latela litaelo tsa pillowcase-ho hlatsoa matsoho kapa ho hlatsoa mochini, Slip e khothaletsa ho omisa mask ka moea.Slip e boetse e rekisa litlolo tsa silika tse sebelisoang ho hloekisa lihlahisoa tsa eona.
Maske oa Vince o sebelisa moralo oa lesela la methati e meraro: 100% lesela la silika le kantle, filthara ea polyester le lesela le kahare la k'hothone.Mask e boetse e tla le mokotla oa k'hothone.Ha a hloekisa mask, Vince o khothaletsa ho e kenya ka metsing a futhumetseng a nang le sesepa se bonolo kapa sesepa, ebe oa e rotha e omme.Bakeng sa maske e 'ngoe le e' ngoe e rekisoang, Vince o tla fana ka $15 ho American Civil Liberties Union.Li-mask li fumaneha ka mebala e mehlano: pinki, bohlooho bo silevera, lenaka la tlou, botšo le boputsoa ba lebopo.
Maske oa silika oa Blissy o entsoe ka letsoho ka silika e hloekileng ea 100% ea mulberry.Li fumaneha ka mebala e mene: silevera, pinki, e ntšo le tie-dye.Mask e na le lihoko tsa tsebe tse fetolehang 'me e ka hlatsuoa ka mochini.
Mask ena ea silika e entsoe ka silika ea 100% ea mulberry 'me e tla le mokotla o ka hare oa sefe le lihoko tsa litsebe tse fetolehang.Mask ena e tla ka mebala e 12, ho kenyelletsa le boputsoa, pherese e lefifi, e tšoeu, taupe le botala ba lierekisi.
Mask ea sefahleho sa silika ea NIGHT e entsoe ka lesela le mekato e meraro 'me e tla le mokotla oa sefe.Mask e boetse e na le li-filters tse supileng tse lahlehang.E na le mothapo oa nko o feto-fetohang le lihoko tsa tsebe tse fetolehang.Mask ena e ka hlatsuoa ka mochini ka metsi a batang sebakeng se bobebe mme e fumaneha ka mebala e mene: blush, champagne, emeralde le boronse.
Mask ea silika ea D'aire e entsoe ka lipaterone tse fapaneng joalo ka camouflage, naleli ea har'a mp'a bosiu, le mebala e tiileng joalo ka rouge, black and cocoa.E na le borokho bo feto-fetohang ba nko, lihakisi tsa tsebe tse fetolehang le mekotla ea sefe.Li fumaneha ka boholo bo tharo: tse nyenyane, tse mahareng le tse kholo.Mask e ka hlatsuoa ka mochini ka metsi a batang sebakeng se bobebe.D'aire e boetse e rekisa lihloela tse lahloang, tse bōpehileng joaloka tloaelo ho lekana limaske tsa eona tsa silika.Ho na le li-filters tse 10 kapa tse 20 ka har'a pakete.
Mask ea silika ea Claire & Clara e na le masela a mabeli.Li boetse li na le lihoko tsa tsebe tse fetolehang.Letšoao lena le hlahisa lebese le nang le mekotla ea sefe kapa ntle le eona.Bokaholimo ba silika bo na le mebala e mehlano: boputsoa bo bobebe, bopinki, bosoeu, boputsoa ba navy le violet.Claire & Clara le bona ba rekisa pakete ea lihloela tse hlano tse ka lahloang.
Laeborari ea Guerra e fumane hore "li-mask tsa silika li ka leleka marotholi litekong tsa sefafatsi le limaske tse lahliloeng tsa ho buoa."Empa limaske tsa silika li na le molemo o mong ho feta limaske tsa ho buoa: li ka hlatsuoa le ho sebelisoa hape.Ho phaella moo, Guerra o ile a re silika e na le thepa ea electrostatic, e bolelang hore e qosoa hantle.Ha mask a e-na le lesela le ka ntle la silika, likaroloana tse nyenyane li tla khomarela ho eona, Guerra o bontšitse, kahoo likaroloana tsena li ke ke tsa feta lesela.Ka lebaka la koporo e fumanoang ho eona, silika e boetse e na le lintho tse thibelang likokoana-hloko le likokoana-hloko.
Qetellong, joalokaha bohle re tseba, silika e molemo bakeng sa letlalo la hao.Michele Farber, MD, ngaka ea letlalo e tiisitsoeng ke boto ea Schweiger Dermatology Group, o khothalletsa li- pillowcase tsa silika bakeng sa letlalo le nang le maqoqomete a bonolo le a bonolo hobane ha e hlahise likhohlano tse ngata joaloka masela a mang, kahoo ha e bake ho teneha.Litataiso joale li ka sebelisoa ho limaske.Farber o ile a re silika ha e monye oli e ngata le litšila ha e bapisoa le mefuta e meng ea masela, ebile ha e nke mongobo o mongata letlalong.
Ho ipapisitsoe le lipatlisiso tsa hae, Guerra o khothaletsa limaske tse habeli ka ho koahela lesela la limaske tsa silika holim'a limaske tse lahliloeng.Mask ea silika e sebetsa e le thibelo ea hydrophobic-ho ea ka CDC, hobane mask a metsi ha a sebetse hantle-'me motsoako ona o u fa mekhahlelo e mengata ea tšireletso.
Farber o bontšitse hore limaske tse peli li ke ke tsa u fa melemo ea letlalo la limaske tsa silika.Empa o boetse a re ho latela maemo, ho roala limaske tsa silika tse lohiloeng ka thata, tse loketseng hantle, tse nang le li-filters ke mokhoa o amohelehang ho feta limaske tse peli.Ha e le limaske tse hloekileng tsa silika, Farber le Guerra ba re hangata u ka li hlatsoa ka letsoho kapa mochini, empa qetellong ho ipapisitse le litaelo tse tobileng tsa mofuta.
Guerra o ile a labalabela ho tseba ka silika e le maske hobane mosali oa hae e ne e le ngaka mme a tlameha ho sebelisa mask a N95 hape ka matsatsi a mangata ha seoa se qala.Hangata laboratori ea hae e ithuta sebopeho sa cocoon ea popane ea silika, 'me ea qala ho ithuta hore na ke masela afe a loketseng basebetsi ba ka pele ho sebelisa limaske tse habeli ho sireletsa li-respirators tsa bona, le hore na ke masela afe a ka etsang limaske tse sebetsang hantle bakeng sa sechaba.
Nakong ea boithuto, laboratori ea Guerra e ile ea hlahloba hore na masela a k'hothone, polyester le silika ha a na hydrophobicity ka ho lekanya bokhoni ba tsona ba ho leleka marotholi a manyane a metsi a aerosol.Laboratori e boetse e lekola phefumoloho ea masela le hore na ho hloekisa khafetsa ho ama bokhoni ba bona ba ho boloka hydrophobicity kamora ho hloekisoa khafetsa.Guerra o ile a re laboratori ea hae e ile ea etsa qeto ea ho se ithute boemo ba ho sefa ha silika—e tloaelehileng litekong tse tšoanang—hobane bafuputsi ba bang ba bangata ba se ba ntse ba sebetsa ho lekola bokhoni ba ho sefa ha masela a silika.
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© 2021 Khetho |Litokelo tsohle li sirelelitsoe.Ho sebelisa sebaka sena sa marang-rang ho bolela hore u amohela melaoana ea lekunutu le maemo a litšebeletso.
Nako ea poso: Dec-14-2021
