Yuav ua li cas UV germicidal teeb ua haujlwm?
Ultraviolet germicidal teeb emit 253.7nm (254) ultraviolet lub teeb, thiab microbial hlwb nyob rau hauv lub absorption spectrum ntawm nucleic acids coincide, yog li rhuav tshem cov microbial kab mob hlwb nyob rau hauv lub molecular qauv ntawm DNA (deoxyribonucleic acid) los yog RNA (ribonucleic acid). kev loj hlob ntawm cell tuag thiab regenerative cell tuag, kom ua tiav cov nyhuv ntawm bactericidal tshuaj tua kab mob.
Vim li cas thiaj yuav tsum tau txhaj tshuaj tiv thaiv kab mob ntau dua li tus nqi biocide?
Kev ua haujlwm ntawm UV sterilization yog cuam tshuam los ntawm koob tshuaj UV irradiation thiab tsis tsuas yog ntsuas los ntawm tus nqi biocide. Cov koob tshuaj bactericidal yog tag nrho cov nqi ntawm cov hluav taws xob ultraviolet tau txais los ntawm cov kab mob los yog cov kab mob microorganisms thiab suav nrog cov khoom siv ntawm kev siv hluav taws xob ultraviolet thiab lub sij hawm raug. Thaum siv ultraviolet sterilization, nws yog ib qho tsim nyog los xyuas kom meej qhov hluav taws xob siv hluav taws xob thiab lub sij hawm hluav taws xob ntawm lub teeb germicidal kom paub meej tias tus nqi ntawm cov kab mob bactericidal. Txawm hais tias tus nqi ntawm cov kab mob bactericidal tuaj yeem siv los ntsuas cov txiaj ntsig ntawm kev tua cov kab mob, tab sis tsis tuaj yeem cuam tshuam ncaj qha rau cov kab mob bactericidal.
Ntau hom kab mob sib txawv muaj qhov sib txawv rau UV teeb, thiab qhov xav tau ntawm UV hluav taws xob sib txawv raws li hom kab mob. Piv txwv li, 99.99 feem pua ua kom tsis muaj menyuam ntawm E. coli yuav tsum muaj UV koob ntau dua lossis sib npaug li 20, 000 μW.s/cm2, thaum 99.99 feem pua ua kom tsis muaj menyuam ntawm Mycobacterium spp. yuav tsum muaj UV koob ntau dua lossis sib npaug rau 100, 000 μW.s/c2.
Txawm li cas los xij, hauv kev muaj tiag, kev ua kom tsis muaj menyuam tuaj yeem cuam tshuam los ntawm ntau yam laj thawj, xws li cov duab ntawm cov khoom raug irradiated, qhov siab ntawm irradiation, lub sijhawm ntawm irradiation, thiab qhov siv ntawm lub teeb.
Txawm hais tias qhov loj dua qhov koob tshuaj ntawm ultraviolet hluav taws xob, cov kab mob bactericidal yuav nce raws li, tsis muaj kev sib raug zoo ntawm cov koob tshuaj hluav taws xob thiab cov kab mob bactericidal, ntau dhau ntawm lub teeb siv los yog lub teeb lub sij hawm yuav ua rau cov khoom lag luam tsis zoo lossis kev puas tsuaj. Yog li ntawd, nyob rau hauv lub premise ntawm kev ua kom tsis muaj menyuam, tsis muaj yuav tsum tau over-pursuing tus sterilization tus nqi.
