A na-eji Ethylene oxide (EO) mee ihe na nsị na nsị ruo ogologo oge na ọ bụ naanị gas sterilant nke ụwa ghọtara dị ka nke a pụrụ ịdabere na ya. N'oge gara aga,ethylene oxideA na-ejikarị eme ihe maka mkpochapụ nke ụlọ ọrụ mmepụta ihe na igba ogwu. Site na mmepe nke teknụzụ ụlọ ọrụ ọgbara ọhụrụ na akpaaka na teknụzụ nwere ọgụgụ isi, teknụzụ ethylene oxide sterilization nwere ike iji n'enweghị nsogbu na ụlọ ọrụ ahụike iji mee ka ngwaọrụ ahụike dị mma nke na-atụ egwu okpomọkụ na mmiri.

Njirimara nke ethylene oxide

Ethylene oxidebụ ọgbọ nke abụọ nke ọgwụ kemịkalụ na-esote formaldehyde. Ọ ka bụ otu n'ime ọgwụ na-efe efe oyi kacha mma yana onye kacha mkpa na teknụzụ ọgwụ mgbochi okpomọkụ anọ.

Ethylene oxide bụ ngwakọta epoxy dị mfe. Ọ bụ gas na-enweghị agba na ọnụ ụlọ okpomọkụ na nrụgide. Ọ dị arọ karịa ikuku ma nwee isi ether aromatic. Ethylene oxide na-ere ọkụ ma na-agbawa agbawa. Mgbe ikuku nwere 3% ruo 80%ethylene oxide, a na-emepụta gas agwakọta ihe mgbawa, nke na-ere ọkụ ma ọ bụ na-agbawa mgbe ọkụ mepere emepe. Ọnụnọ nke ethylene oxide nke a na-ejikarị eme ihe maka nsị na sterilization bụ 400 ruo 800 mg / L, nke dị na ikuku na-enwu ọkụ na ihe mgbawa, ya mere a ga-eji nlezianya mee ya.

Enwere ike ịgwakọta Ethylene oxide na gas inert dị kacarbon dioxidena nha nke 1: 9 iji mepụta ngwakọta ihe mgbawa, nke dị mma maka disinfection na sterilization.Ethylene oxidenwere ike polymerize, mana n'ozuzu, polymerization na-adị nwayọọ ma na-emekarị na ọnọdụ mmiri mmiri. Na ngwakọta nke ethylene oxide na carbon dioxide ma ọ bụ fluorinated hydrocarbons, polymerization na-apụta nwayọọ nwayọọ na polymer siri ike na-adịkarịghị agbawa.

Ụkpụrụ nke Ethylene Oxide Sterilisation

1. Alkylation

Usoro nke ime iheethylene oxidena igbu dị iche iche microorganisms bụ tumadi alkylation. Ebe a na-eme ihe bụ sulfhydryl (-SH), amino (-NH2), hydroxyl (-COOH) na hydroxyl (-OH) na protein na nucleic acid molecules. Ethylene oxide nwere ike ime ka ìgwè ndị a nweta mmeghachi omume alkylation, na-eme ka micromolecules ndị a dị ndụ na-adịghị arụ ọrụ, si otú ahụ na-egbu microorganisms.

2. Na-egbochi ọrụ nke enzymes ndu

Ethylene oxide nwere ike igbochi ọrụ nke enzymes dị iche iche nke microorganisms, dị ka phosphate dehydrogenase, cholinesterase na oxidases ndị ọzọ, na-egbochi mmezu nke usoro metabolic nkịtị nke microorganisms na-eduga na ọnwụ ha.

3. Mmetụta igbu egbu na microorganisms

Ha abụọethylene oxidemmiri mmiri na gas nwere mmetụta microbicidal siri ike. N'iji ya tụnyere, mmetụta microbicidal nke gas na-esiwanye ike, a na-ejikarị gas ya eme ihe na nsị na nsị.

Ethylene oxide bụ ihe na-arụ ọrụ nke ọma nke na-enwe mmetụta igbu ọchụ na enweghị ọrụ na ahụ na-agbasa nje bacteria, spores nje, fungi, na nje. Mgbe ethylene oxide batara na kọntaktị microorganisms, mana microorganisms nwere mmiri zuru oke, mmeghachi omume n'etiti ethylene oxide na microorganisms bụ mmeghachi omume nke mbụ. Usoro nke na-eme ka microorganisms mebere dị ọcha, usoro mmeghachi omume bụ ahịrị kwụ ọtọ na uru ọkara logarithmic.

Ngwa nso nke ethylene oxide igba ogwu

Ethylene oxideanaghị emebi ihe igba ogwu ma nwee ntinye siri ike. Ọtụtụ ihe ndị na-adabaghị maka ịgba ọgwụ mgbochi ọrịa site na usoro izugbe nwere ike mebie ma kpochaa ya na ethylene oxide. Enwere ike iji ya mee ihe maka igba ogwu nke ngwaahịa ọla, endoscopes, dialyzers na ngwaọrụ ahụike ndị a na-atụfu n'ahụ, disinfection nke ụlọ ọrụ mmepụta ihe na sterilization nke akwa dị iche iche, ngwaahịa plastik, na nsị nke ihe ndị dị na mpaghara ọrịa na-efe efe (dị ka akwa kemịkal, akpụkpọ anụ, akwụkwọ, akwụkwọ, na eserese mmanụ).

Ethylene oxide anaghị emebi ihe ndị agbachapụrụ agbacha ma nwee ntinye siri ike. Ọtụtụ ihe ndị na-adabaghị maka ịgba ọgwụ mgbochi ọrịa site na usoro izugbe nwere ike mebie ma kpochaa ya na ethylene oxide. Enwere ike iji ya mee ihe maka igba ogwu nke ngwaahịa ọla, endoscopes, dialyzers na ngwaọrụ ahụike ndị a na-atụfu n'ahụ, disinfection nke ụlọ ọrụ mmepụta ihe na sterilization nke akwa dị iche iche, ngwaahịa plastik, na nsị nke ihe ndị dị na mpaghara ọrịa na-efe efe (dị ka akwa kemịkal, akpụkpọ anụ, akwụkwọ, akwụkwọ, na eserese mmanụ).

Ihe na-emetụta mmetụta sterilization nkeethylene oxide

Mmetụta nkwụsị nke ethylene oxide na-emetụta ọtụtụ ihe. Iji nweta nsonaazụ kacha mma sterilization, ọ bụ naanị site n'ịchịkwa ihe dị iche iche nke ọma nwere ike rụọ ọrụ ya nke ọma n'igbu microorganisms wee mezuo ebumnuche ya nke disinfection na sterilization. Ihe ndị bụ isi na-emetụta mmetụta sterilization bụ: itinye uche, okpomọkụ, iru mmiri, oge ime ihe, wdg.