組培培養室的汙染原因分析
目前,組培培養室廣(guang)泛(fan)應(ying)用(yong)於(yu)科(ke)研(yan)單(dan)位(wei)和(he)花(hua)木(mu)生(sheng)產(chan)企(qi)業(ye)中(zhong),是(shi)生(sheng)物(wu)技(ji)術(shu)應(ying)用(yong)中(zhong),重(zhong)要(yao)的(de)儀(yi)器(qi)或(huo)環(huan)境(jing)之(zhi)一(yi),但(dan)是(shi)近(jin)年(nian)來(lai)發(fa)現(xian),雖(sui)然(ran)組(zu)培(pei)技(ji)術(shu)應(ying)用(yong)比(bi)較(jiao)多(duo),但(dan)是(shi)組(zu)培(pei)培(pei)養(yang)室(shi)培(pei)苗(miao)的(de)數(shu)量(liang)和(he)質(zhi)量(liang)都(dou)沒(mei)有(you)得(de)到(dao)較(jiao)大(da)的(de)提(ti)高(gao),究(jiu)其(qi)原(yuan)因(yin),我(wo)們(men)發(fa)現(xian),其(qi)中(zhong)一(yi)個(ge)最(zui)大(da)的(de)影(ying)響(xiang)因(yin)素(su)就(jiu)是(shi)組(zu)培(pei)培(pei)養(yang)室(shi)的(de)汙(wu)染(ran)。
實際應用中,組培培養室的汙染原因主要包含以下幾個方麵:
若汙染菌類是零星分散在培養基中,則可確定是人為引起的汙染,比如培養基滅菌不徹底;超淨工作台長時間不換濾網,致使淨化能力降低;接種用具滅菌不徹底;操作不正確,動作生硬緩慢,開瓶時間太久,接種台擺放物品雜亂,操作中心在人體範圍之內;jiezhongshichangqibumiejun,junleitaiduodeng。ruowuranjunleishicongcailiaozhouweichangqi,zekezhengmingshizhiwucailiaodaijunyinqi。kenengshijiezhongyongjumiejunbuchedi,jiezhongshicailiaobeiwuran;或者是未及時發現汙染苗,接種過程交叉感染等。若菌類從材料培養基以上部分長起,而不是從培養基先長起,且發生在5tianyihou,zeshuomingshicailiaodaideneishengjun。ruocongpeiyangjiyixiakaishichangjun,fashengshijianjiaozao,qieyouconglixiangwaidequshi,zeshuomingshiqiekouyinqidewuran,yuanyinkenengshimiewanjunhou,weijianqulianggeqiekouhuosuijiandanqijudaijun。
組培培養室是shi應ying用yong組zu培pei技ji術shu的de一yi個ge重zhong要yao條tiao件jian,隻zhi有you利li用yong好hao這zhe個ge環huan境jing,才cai能neng幫bang助zhu培pei育yu出chu更geng好hao的de苗miao木mu,用yong於yu農nong業ye領ling域yu,所suo以yi在zai應ying用yong組zu培pei培pei養yang室shi的de時shi候hou,要yao盡jin量liang避bi免mian外wai界jie環huan境jing或huo認ren為wei因yin素su對dui其qi的de汙wu染ran,從cong而er達da到dao培pei苗miao的de最zui好hao效xiao果guo,幫bang助zhu提ti高gao培pei苗miao的de數shu量liang和he質zhi量liang。
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