防(fang)汙(wu)染(ran)設(she)計(ji)和(he)消(xiao)毒(du)滅(mie)菌(jun)係(xi)統(tong)汙(wu)染(ran)是(shi)導(dao)致(zhi)細(xi)胞(bao)培(pei)養(yang)失(shi)敗(bai)的(de)一(yi)個(ge)主(zhu)要(yao)因(yin)素(su),因(yin)而(er),二(er)氧(yang)化(hua)碳(tan)培(pei)養(yang)箱(xiang)的(de)製(zhi)造(zao)商(shang)們(men)設(she)計(ji)了(le)多(duo)種(zhong)不(bu)同(tong)的(de)裝(zhuang)置(zhi)去(qu)減(jian)少(shao)和(he)防(fang)止(zhi)汙(wu)染(ran)的(de)發(fa)生(sheng),其(qi)主(zhu)要(yao)途(tu)徑(jing)都(dou)是(shi)盡(jin)量(liang)減(jian)少(shao)微(wei)生(sheng)物(wu)可(ke)以(yi)生(sheng)長(chang)的(de)區(qu)域(yu)和(he)表(biao)麵(mian),並(bing)結(jie)合(he)自(zi)動(dong)排(pai)除(chu)汙(wu)染(ran)裝(zhuang)置(zhi)來(lai)有(you)效(xiao)防(fang)止(zhi)汙(wu)染(ran)的(de)產(chan)生(sheng)。
例如,鑒於CO2peiyangxiangzaishiyongguochengzhongyoushihuibanyoumeijunshengchang,weiquebaopeiyangxiangmianshouwuranbingqiebaozhengyiqixiangtineideshengwuqingjiexing,xiangjiwenshileduozhongxiaodumiejunfangshi,rudaiyouziwaixiaodugongnengdeCO2培養箱(如HealForce品牌的HF151UV和HF212UV二氧化碳培養箱);還有的設計生產了HEPA過濾器能過濾培養箱內空氣,可過濾除去99.97%的0.3微米以上的顆粒(如HealForce品牌的HF160W二氧化碳培養箱);此外,還開發設計了能使箱內達到高溫濕熱的環境從而殺死汙染微生物,達到消毒滅菌目的的培養箱(如HealForce品牌的HF90和HF240二氧化碳培養箱)。
這些裝置對於細胞培養來說是必不可少,但選擇何種清潔裝置呢?首shou先xian,我wo們men考kao慮lv的de當dang然ran是shi各ge種zhong方fang式shi的de滅mie菌jun能neng力li,紫zi外wai消xiao毒du能neng力li是shi與yu紫zi外wai燈deng距ju離li目mu標biao的de距ju離li的de二er次ci方fang成cheng反fan比bi,距ju離li越yue遠yuan,消xiao毒du能neng力li越yue差cha,所suo以yi紫zi外wai消xiao毒du方fang式shi有you其qi局ju限xian性xing,難nan以yi達da到dao徹che底di滅mie菌jun的de要yao求qiu;HEPA過濾器由於受到過濾膜孔徑的影響,無法去除病毒和一些微小細菌,也有其局限性;xiangbijiaoeryan,gaowenxiaodushimuqianbijiaoyouxiaoxiaodumiejundefangfa,gaowenxiaoduyoufenweilianglei,yishichuantongdegaowenganrexiaodu,lingyizhongshixianjindegaowenshiremiejun。jiexialaiwomenzhongdianshuoyixiagaowenganrehegaowenshireliangzhongfangfadeyoulie。gaowenshireyouyuzhengqiqianreda,chuantouliqiang,rongyishidanbaizhibianxinghuoninggu,yincigaifademiejunxiaolvbiganremiejunfagao。
其原因有三:①danbaizhininggusuoxudewenduyuqihanshuiliangyouguan,hanshuiliangyuda,fashengninggusuoxudewenduyudi。shiremiejundejuntidanbaizhixishoushuifen,suoyijiaotongyiwendudeganrekongqizhongyiyuninggu。②shiremiejunguochengzhongzhengqifangchudaliangqianre,jiasutigaoshidu。yinershiremiejunbiganresuoxuwendudi,ruzaitongyiwenduxia,zeshiremiejunsuoxushijianbiganreduan。③shiredechuantoulibiganreda,shiqishenbuyenengdadaomiejunwendu,gushirebiganreshouxiaohaoyixie。suoyigaowenxiaodubingbushijiandandekanxiaoduwendu,zhuyaoshikanshifoushirexiaodu。
另外,從使用角度看,濕熱消毒一般控製在90°C就能達到很徹底的消毒效果,整個消毒過程中培養箱內的所有附件都不用取出,可以全部進行消毒;而幹熱消毒為了達到較好的效果,溫度一般都在100°C以上,在這種溫度下消毒培養箱內的傳感器、HEPA過濾器等都要在消毒過程中取出,等消毒結束再裝上,這樣即麻煩,附件又不能同時消毒,而且增加二次汙染的幾率,再者要達到100°C以yi上shang的de高gao溫wen,培pei養yang箱xiang的de加jia熱re係xi統tong的de電dian熱re絲si必bi然ran要yao加jia粗cu,這zhe會hui導dao致zhi培pei養yang箱xiang的de溫wen度du控kong製zhi難nan度du增zeng加jia,均jun一yi性xing變bian差cha。所suo以yi我wo們men建jian議yi用yong戶hu在zai選xuan購gou二er氧yang化hua碳tan培pei養yang箱xiang時shi選xuan擇ze含han高gao溫wen濕shi熱re滅mie菌jun方fang式shi的de培pei養yang箱xiang。目mu前qian市shi麵mian上shang有you高gao溫wen濕shi熱re滅mie菌jun功gong能neng的de二er氧yang化hua碳tan培pei養yang箱xiang極ji少shao,而erHealForce(力康)牌HF90氣套式二氧化碳培養箱能夠做到。HF90培養箱包含90°C高溫濕熱滅菌係統,同時配合其電解拋光不鏽鋼圓邊圓角內腔體設計、箱內冷凝水控製係統、CO2進氣口HEPA過濾、外門開關檢測係統、三扇內玻璃小門等防汙染設計,真真正正是一款理想的二氧化碳培養箱。
手機版








