Puas yog UV STERILIZATION muaj txiaj ntsig rau cov kab mob thiab kab mob?

Ultraviolet tshuaj tua kab mob ua haujlwm zoo li cas? Nws puas tiv thaiv kab mob thiab kab mob? Cov txiaj ntsig thiab qhov tsis zoo yog dab tsi? Thaum cov tib neeg xav txog qhov ua qias tuaj ntawm lawv lub xov tooj ntawm tes, cov no yog cov lus nug uas kuv nquag hnov ​​thaum ua haujlwm hauv microbiology teb. Tej zaum koj yuav xav txog seb puas muaj UV sterilization cov khoom tsim nyog los sim ua ntau thiab ntau ntawm lawv nkag mus rau hauv kev ua lag luam. Yog li cia peb pib!

Txij li thaum nruab nrab ntawm lub xyoo pua 20th, UV hluav taws xob tau siv los ntxuav thiab tua kab mob. Nws txoj kev cia siab rau kev ua neej ntev (ntau txhiab teev) thiab qhov ntev me me (xws li UV LED vs. ib txwm siv UV teeb) tau nce nws cov ntawv thov ua tsaug rau kev tsim kho thev naus laus zis, tshwj xeeb hauv UV qhov muag teev lawv tus kheej. Nws yog siv los ntxuav ntau qhov chaw sib txawv, suav nrog dej, huab cua, txiv hmab txiv ntoo, veggies, cov cuab yeej phais, cov khoom siv txawb, thiab cov khoom ua si.

Tsis yog txhua qhov UV wavelengths ua tau zoo rau kev tua kab mob UV. Vim li cas qhov ntawd tseem ceeb? Kev hais lus, ultraviolet (UV) yog hais txog ib pawg ntawm cov hluav taws xob hluav taws xob nrog lub spectrum luv (ntau zaus thiab lub zog) dua li lub teeb pom kev zoo. UV stands rau "dhau violet" thiab piav qhia ntau yam ntawm electromagnetic nthwv dej. Peb pawg ntawm UV yog qhov txawv los ntawm kev txo qis thiab nce zog. UVA, UVB, thiab UVC yog peb. Tsuas yog UVC (100–280 nm) muaj lub zog txaus rau UV kom tsis muaj menyuam kom ua tiav cov kab mob. Xyuas kom tseeb tias UV sterilization cov khoom koj xaiv los ntawm UVC spectrum thaum koj tab tom nrhiav ib qho los kuaj hauv koj lub tsev lossis qhov chaw ua haujlwm (100-280 nm).

Puas yog Ultraviolet sterilization zoo tiv thaiv kab mob thiab kab mob? Yog, thiab txawm ntau hom, yog cov lus teb ceev. Tag nrho cov kab mob hauv cov zaub mov, cov nroj tsuag, cov pwm, thiab cov poov xab tuaj yeem raug rhuav tshem los ntawm UVC ntawm 254 nm, raws li kev tshawb fawb. Txhua hom kab mob yuav tsum muaj sijhawm sib txawv los tua vim lawv tuaj ntau qhov ntau thiab tsawg thiab cov ntawv uas cuam tshuam ntau npaum li cas UV teeb lawv nqus.

Ultraviolet sterilization yog dab tsi? Kuv zoo siab koj nug! UV sterilization, tseem hu ua UV tu los yog ultraviolet germicidal irradiation (UVGI), tiv thaiv cov kab mob los ntawm kev tsim tawm los ntawm kev ua kom cov kab mob molecular thiab jumbling cov qauv ntawm DNA, RNA, thiab cov proteins. Cov kab mob uas tsis tuaj yeem nthuav tawm tau suav tias yog tuag vim tias nws tsis kis mus ntxiv thiab tsis tuaj yeem rov ua dua hauv tus tswv tsev.

"Tuag." Qhov ntawd yog qhov zoo tagnrho, kuv xav. Nws siv sijhawm ntev npaum li cas rau cov khoom phem no kom mus txog qhov "tuag"? Cia peb tham txog cov ntsiab lus ntawm kev puas tsuaj. Txij li UV sterilization siv UVC lub zog los rhuav tshem biomolecules, qhov nyiaj ntawm lub zog siv, uas cuam tshuam los ntawm lub sijhawm sib cuag thiab qhov kev ncua deb ntawm lub teeb ci, txiav txim siab seb cov txheej txheem yuav ua tiav li cas. Piv txwv li, kev ua kom tsis muaj menyuam ntawm E. coli-loj petri tais hauv tsuas yog 1-2 feeb yog tias siv lub teeb UV thiab tso rau ib nti saum lub tais. 1 Nws yuav siv sij hawm 5 mus rau 10 feeb kom tsis muaj menyuam cov cuab yeej phais hauv lub thawv nruab nrab UV. Nws yog cov lus qhia ib txwm ua kom tsis muaj menyuam rau 8- ko taw biosafety cupboard hauv chav kuaj rau 30 feeb.

Lwm qhov teeb meem ntawm UV sterilization yog cov proteins thiab DNA / RNA raug mob hnyav heev los ntawm UVC uas cov khoom siv roj ntsha tsis tuaj yeem tsim los siv lawv. Piv txwv li, thaum cov kab mob ua kom tsis muaj menyuam nrog UVC, cov proteins saum npoo tau raug puas tsuaj loj, ua rau nws tsis tuaj yeem siv cov kab mob ua cov tshuaj tiv thaiv kom tshem tawm qhov kev xav tau ntawm kev tiv thaiv kab mob. Hauv cov khoom lag luam biomedical, cov kab mob ntawm cov kab mob hauv lub cev tau khaws cia thaum cov kab mob tau ua tiav zoo siv cov txheej txheem "UV inactivation". Vim tias peb xav siv cov protein ua kom tiav ntawm UV kho cov kab mob rau kev siv biomedical, xws li tsim cov tshuaj tiv thaiv kab mob, qhov no kuj yog cov txheej txheem uas peb siv rau peb cov khoom siv UV inactivated purified virus.

Thaum kawg, Ultraviolet sterilization yog ib qho kev xaiv zoo heev txawm tias koj tab tom nrhiav lub tshuab los ntxuav koj cov txee, ib lub wand los ntxuav koj cov ntaub pua tsev qias neeg, lossis khoom siv los ntxuav koj cov khau stale. Thiab tsis txhob hnov ​​​​qab tias nws yog ib qho tseem ceeb heev uas yuav tsum ua raws li cov chaw tsim khoom cov lus qhia txog lub teeb ntawm qhov deb, lub sij hawm raug, thiab kev ntsuas kev nyab xeeb rau txhua yam khoom koj yuav.

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