UVC Lub Teeb puas tuaj yeem cuam tshuam tus kabmob coronavirus?

Cov neeg siv khoom yuav tab tom nrhiav kev yuav cov khoom siv ultra-violet (UVC) qhov muag teev los ntxuav qhov chaw hauv tsev lossis lwm qhov chaw sib piv tau muab qhov kev kis tus kabmob coronavirus tam sim no ntawm 2019 (COVID-19) kab mob coj los ntawm tus kabmob tshiab SARS-CoV-2 

UV Teeb yog dab tsi?

UV (ultraviolet) lub teeb yog ib hom hluav taws xob hluav taws xob hluav taws xob. Nws muaj lub wavelength luv dua li pom lub teeb, yog li nws tsis pom qhov muag liab qab, tab sis nws tuaj yeem kuaj pom los ntawm nws cov nyhuv ntawm ntau yam khoom. UV hluav taws xob tuaj yeem hloov cov khoom siv tshuaj lom neeg hauv cov molecules, ua rau muaj tshuaj lom neeg, thiab tseem tuaj yeem ua rau ntau yam tshuaj fluoresce lossis emit lub teeb. UV hluav taws xob degrades cov saw qauv ntawm cov polymers, ua rau poob ntawm lub zog thiab tejzaum nws discoloration thiab tawg. Nws kuj yog absorbed los ntawm ntau pigments thiab dyes, ua rau lawv hloov xim. UV teeb  tshwm sim nyob rau hauv lub hnub ci thiab tuaj yeem tawm los ntawm cov khoom siv hluav taws xob.

Hom ntawm UV Teeb ?

• UVA, lossis ze UV ​​(315–400 nm), UVA lub teeb muaj lub zog qis tshaj plaws. Thaum koj nyob hauv lub hnub, koj feem ntau raug UVA lub teeb. Kev raug UVA teeb tau txuas rau daim tawv nqaij laus thiab kev puas tsuaj.
• UVB, lossis nruab nrab UV (280–315 nm), UVB teeb nyob rau hauv nruab nrab ntawm lub ultraviolet spectrum. Ib feem me me ntawm lub hnub ci muaj UVB teeb. Nws yog hom tseem ceeb ntawm UV rays uas ua rau sunburns thiab feem ntau mob qog noj ntshav.
• UVC, los yog nyob deb UV (180–280 nm), UVC lub teeb muaj lub zog tshaj plaws. Feem ntau ntawm UVC lub teeb los ntawm lub hnub yog absorbed los ntawm lub ntiaj teb ozone, yog li koj tsis nquag raug rau nws txhua hnub. Txawm li cas los xij, muaj ntau yam khoom siv hluav taws xob UVC.

Lub teeb lub wavelengths yuav cuam tshuam zoo npaum li cas nws tuaj yeem cuam tshuam cov kab mob thiab kev nyab xeeb thiab kev noj qab haus huv uas yuav cuam tshuam. Kev ntsuam xyuas lub teeb tuaj yeem qhia seb puas muaj ntau npaum li cas ntawm cov wavelengths ntxiv nws emits. Feem ntau, ib qho me me wavelength ntau ntawm cov hluav taws xob yog tawm los ntawm LEDs. Txij li cov LEDs tsis muaj mercury, lawv muaj qhov zoo dua li cov teeb hluav taws xob qis mercury 

Tam sim no, kev sim ua pov thawj tias UVC lub teeb yog hom ultraviolet lub teeb zoo tshaj plaws los tua cov kab mob. Nws tuaj yeem siv los tua kab mob ntawm qhov chaw, huab cua thiab kua. UVC lub teeb tua cov kab mob xws li kab mob thiab kab mob los ntawm kev rhuav tshem cov molecules xws li nucleic acids thiab cov proteins. Qhov no ua rau nws tsis tuaj yeem ua rau cov kab mob ua tiav cov txheej txheem nws xav tau kom muaj sia nyob.

Txog UVC Lub Teeb thiab Novel Coronavirus

Tus kab mob coronavirus tshiab tau sim hauv cov kab lis kev cai ua kua siv UVC lub teeb hauv kev tshawb fawb tsis ntev los no tau tshaj tawm hauv American Magazine of Infection Control.

UVC Lub Teeb rau Kev Nyab Xeeb Deg

Lwm qhov kev tshawb fawb tau tshaj tawm hauv AJIC tau tshuaj xyuas siv lub teeb UVC tshwj xeeb txhawm rau tshem tawm SARS-CoV-2 ntawm qhov chaw sim. Raws li kev tshawb fawb, UVC hluav taws xob tua 99.7% ntawm tus mob coronavirus nyob hauv qis dua 30 vib nas this.

Siv lub teeb UVC los ntxuav cov huab cua 

Ib txoj kev tshawb fawb uas tau tshawb xyuas siv lub teeb nyob deb-UVC los tshem tawm ob hom kab mob tib neeg cov kab mob hauv qhov no UVC tswj   nyob rau hauv phau ntawv journal Scientific Reports.

UVC Lub teeb rau cov tshuaj tua kab mob

  Ib txoj kev tshawb fawb tsis ntev los no hauv American Journal of Infection Control (AJIC) tau tshawb xyuas kev siv UVC lub teeb los tua cov kab mob coronaviruses ntau hauv cov kab lis kev cai ua kua. Txoj kev tshawb nrhiav pom tias 9 feeb ntawm UVC lub teeb irradiation tuaj yeem ua rau tus kab mob no tsis muaj zog.

Yuav Siv UVC teeb li cas los tua Coronavirus

Dej, huab cua, thiab tej qhov chaw thiab tej qhov chaw tsis yooj yim los ntxuav. UVC teeb tuaj yeem siv los tua cov kab mob no. Xws li no:  UVC teeb thiab cov neeg hlau yog siv los tua cov dej, qhov chaw hauv cov chav tsev kho mob uas tsis muaj, thiab cov tsheb loj xws li tsheb npav  UVC teeb  tuaj yeem siv rau hauv qhov chaw qhib hauv tsev kom tsis txhob muaj kab mob hauv huab cua thiab lwm yam kab mob. Teeb pom kev zoo yog ntsia rau sab saum toj ntawm chav tsev ntawm qhov siab tsawg kawg yog 8 feet (2.4 meters). Nws yog angled kom nws ci horizontally los yog ntawm lub qab nthab es tsis yog rau hauv pem teb. Cov kiv cua thiab lub teeb kom ntseeg tau tias huab cua txav los ntawm hauv qab ntawm chav tsev mus rau sab saum toj thiab vice versa. Los ntawm kev ua li no, tag nrho cov huab cua hauv chav yog raug rau  UVC teeb , uas inactivates airborne kab mob  UVC teeb tseem tuaj yeem ntsia tau rau hauv cov pa cua kom tsis txhob muaj kab mob hauv huab cua thiab lwm yam kab mob uas txav ntawm chav mus rau chav.

Nws yog ib qho tseem ceeb uas  UVC teeb  siv hauv chav nrog cov neeg tsis txhob tsoo chav. Nws lub teeb ci UVC siab tuaj yeem ua rau lub qhov muag thiab tawv nqaij puas tsuaj hauv vib nas this.

Cov teeb meem dab tsi UVC teeb muaj? 

Ib qho ntawm nws qhov tsis zoo yog tias UVC lub teeb yuav tsum tau kov ncaj qha kom ua tau zoo.

·  Nws tseem tsis tau paub tias qhov kev cuam tshuam ntawm UVC yog dab tsi, xws li wavelength thiab ntau npaum li cas, yog qhov zoo tshaj plaws rau kev tua SARS-CoV-2.

·  Koj ob lub qhov muag lossis cov tawv nqaij yuav puas yog tias raug UVC hom teeb.

·  UVC teeb lub teeb uas muaj rau siv hauv tsev feem ntau siv tsawg dua. Yog li ntawd, lub sijhawm nws yuav siv los rhuav tshem cov kab mob yuav ntev dua.

·  UVC qhov chaw teeb pom kev tuaj yeem tsim ozone lossis mercury, uas tuaj yeem ua mob rau tib neeg.

Dab tsi yog Lub Teeb Ntau Yam Uas Yuav Tshaj Tawm UVC Radiation?

Nov yog qhov nthuav dav kom paub tias dab tsi yuav ua haujlwm rau koj.

Low-Pressure Mercury:

 Yav dhau los, UVC hluav taws xob feem ntau yog tsim los ntawm cov teeb hluav taws xob qis qis, uas feem ntau tawm ntawm 254 nm (>90%). Hom teeb no tseem tuaj yeem tsim lwm qhov wavelengths. Lwm cov teeb muaj nyob uas tsim tsis tau tsuas yog pom thiab infrared lub teeb tab sis kuj muaj ntau yam UV wavelengths.

Excimer Bulb lossis Luag UVC:

Ib hom teeb tshwj xeeb nrog lub siab tshaj plaws emissions txog 222 nm yog hu ua "excimer teeb."

Lus Xenon:

Cov teeb no, uas ua rau luv luv ntawm UV, pom, thiab lub teeb infrared uas tau tswj kom tso tawm UVC hluav taws xob feem ntau, qee zaus siv hauv tsev kho mob los ntxuav qhov chaw hauv chaw ua yeeb yam thiab lwm qhov chaw. Cov no feem ntau yog siv thaum tsis muaj neeg nyob hauv cheeb tsam.

Dee-Emitting Diodes:

Nws kuj tau yooj yim dua kom tau txais LEDs uas tso tawm UV hluav taws xob. Feem ntau, qhov me me wavelength ntau ntawm cov hluav taws xob yog tawm los ntawm LEDs. Txij li cov LEDs tsis muaj mercury, lawv muaj qhov zoo dua li cov teeb hluav taws xob qis mercury. LEDs tej zaum yuav qhia ntau dua thiab muaj qhov chaw me me.

Yuav UV Teeb Los Ntawm Qhov Chaw?

Tam sim no, koj tau kawm tias UVC teeb muaj qee yam cuam tshuam rau tus kab mob tshiab, thiab siv  UVC teeb rau kev tua kab mob txhua hnub.   Zhuhai Tianhui Electronic Co., Ltd  yog ib tug zoo meej tov los yuav koj  UVC teeb . 2002 pom kev tsim ntawm Zhuhai Tianhui Electronic Co., Ltd. Qhov no yog ib tug ntau lawm-focused, high-tech UV Led Manufacturers  Twb yog ib tug twg UVC tswj Thiab lub tswv  UV teeb Lawv nrhiav kev cia nrhiav UV LED Tsev  Tibneeg. Nws koom nrog kev tshawb fawb thiab kev tsim kho, kev tsim khoom, kev muag khoom, thiab UV LED Tsev Tej no.

Tus neeg sawv cev tseem ceeb hauv Suav teb yog Seoul Semiconductor SVC, nrog kev sib koom tes ntau tshaj kaum xyoo. Nees nkaum xyoo ntawm kev paub dav dav hauv lub  UV LED  kev ua lag luam, kev paub txog kev siv  UV teeb nyob rau hauv ntau yam sectors, thiab tsim nyog los muab cov neeg siv khoom nrog kev txhim kho thiab kev tshawb fawb. Nws tuaj yeem teb sai sai rau cov neeg thov kev thov thiab pab cov neeg siv khoom hauv kev tshuaj xyuas thiab daws teeb meem thawj zaug.

Txojkev

Cov kev tshawb fawb tau pom tias UVC teeb tuaj yeem tua tus kab mob SARS-CoV-2 ntawm qhov chaw mus txog 99.7%. UVC tswj tau muab tso rau hauv cov txheej txheem tu txheej txheem los ntawm ntau lub tsev kho mob thiab tsev kho mob. Cov tsev kho mob hauv tsev kho mob, chaw ua yeeb yam, chav ua haujlwm thiab cov khoom siv kho mob tau txais txiaj ntsig los ntawm UVC cov tshuaj tua kab mob kom huv si thiab tshem tawm cov kab mob, suav nrog qee cov tshuaj tua kab mob superbugs. Kev tu txhua hnub kuj tseem siv tau UVC teeb rau tshuaj tua kab mob.