Lub hauv paus ntsiab lus ntawm ethylene oxide sterilization
Dab tsi yog lub hauv paus ntsiab lus ntawm ethylene oxide sterilization (o kom tsis muaj menyuam)?
When ethylene oxide is in action, its ring structure breaks, and after hydroxylation, it alkylates with active groups such as amino, carboxyl, and hydroxyl groups on the protein in the bacteria, causing obstacles to the enzyme metabolism process, thereby destroying the metabolism of the bacteria, causing the death of microorganisms, and achieving the purpose of sterilization.
Ethylene oxide (EO) yog cov pa roj tsis muaj kob ntawm chav sov thiab siab. Nws condenses rau hauv cov kua ntawm 4 degree, nrog lub qhov cub npau npau ntawm 10.4 degree. Nws muaj cov tshuaj lom neeg muaj hluav taws xob thiab tawg thiab tawg. Ethylene oxide muaj qhov dav dav thiab muaj txiaj ntsig zoo ntawm cov nyhuv muaj txiaj ntsig thiab yog ib qho ntawm cov tshuaj lom neeg ua kom muaj kuab lom. Ethylene oxide feem ntau siv rau kev lag luam kom tsis muaj menyuam thiab tu tshuaj tua kab mob. Nyob rau hauv xyoo tsis ntev los no, nws kuj tau siv dav hauv kev tsis muaj menyuam thaum sov- thiab noo noo-rhiab cov cuab yeej kho mob hauv tsev kho mob. Txawm li cas los xij, Ethylene Oxide yog cov roj toxic thiab muaj qhov muaj peev xwm siab tshaj plaws rau ntau yam khoom. Sterilized cov khoom yuav tsum tau tos rau cov roj uas seem mus kom ua tiav evaporate ua ntej lawv tuaj yeem siv los ntawm cov neeg mob. Yog li ntawd, cov neeg kho mob yuav tsum nkag siab cov khoom ntawm ethylene thiab tswj kev ua kom tsis muaj txiaj ntsig zoo rau kev kuaj xyuas kev ua haujlwm zoo thiab kev nyab xeeb kev nyab xeeb ntawm cov khoom sfilized.
EO tuaj yeem tua ntau cov kab mob sib xyaw, suav nrog cov kev tawm tsam kab mob, cov kab mob, kab mob, cov kab mob thiab cov kab mob fungal, thiab yog cov hom phiaj heev. Nws yog feem ntau ntseeg hais tias nws tuaj yeem yauv mus ua alkylation nrog microbial protein, DNA thiab RNA. Eo nyob rau hauv aqueous kev daws teeb meem nrog cov carboxylation dawb thiab cov pab pawg hydroxen atoms los ua cov yeeb yaj kiab hydroxyethyl pawg. Cov pab pawg ntawm cov protein yog alkylated, ua rau cov protein yuav tsum tau nyob rau hauv cov khoom siv hluav taws xob uas yuav tsum muaj nyob hauv cov roj ntsha li qub, thiab ua rau kev tuag ntawm cov kab mob ntawm cov kab mob ntawm cov microorganism.
Txog tam sim no, txhua cov ntaub ntawv qhia tias cov nyhuv bactericidal ntawm EO yog irbersible, uas yog, thiab tsis muaj tshuaj tua kab mob (tshuaj tua kab mob). Ntxiv mus, raws li kev kho mob thiab kev tshawb fawb kev tshawb fawb, EO yog cov tshuaj kom tsis muaj menyuam kom tsis muaj kuab lom ntawm txhua cov tshuaj tua kab mob tshuaj tua kab mob lossis sterilizers. Ethylene oxide tuaj yeem inhibit qhov kev ua si ntawm qee cov enzymes microbial, suav nrog phosphatase, peptidase, cepinesesterase thiab cholineesesesase. Ethylene oxide kuj mob siab rau DNA thiab RNA los ua alkylation, ua rau inactivgegs.
