蛋白胨培養(yǎng)基怎樣避免沉淀物產(chǎn)生
解凍蛋白胨培養(yǎng)基血清時(shí),請(qǐng)按照所建議的逐步解凍法(-20℃至4℃至室溫),若血清解凍時(shí)改變的溫度太大(如-20℃至37℃),實(shí)驗(yàn)顯示非常容易產(chǎn)生沉淀物。
解凍血清時(shí),請(qǐng)隨時(shí)將之搖晃均勻,使溫度及成分均一,減少沉淀的發(fā)生。
請(qǐng)勿將血清置于37℃太久。若在37℃放置太久,血清會(huì)變得混濁,同時(shí)血清中許多較不穩(wěn)定的成分也會(huì)因此受到損害,而影響血清的質(zhì)量。
蛋白胨培養(yǎng)基血清的熱滅活非常容易造成沉淀物的增多,若非必要,可以無須做此步驟。
若必須做血清的熱滅活,請(qǐng)遵守56℃,30分鐘的原則,并且隨時(shí)搖晃均勻。溫度過高,時(shí)間過久或搖晃不均勻,都會(huì)造成沉淀物的增多。
ADM(Adrenomedullin)ProAM-N20Rat,human,mo,pig,dog,bov腎上腺髓質(zhì)素蛋白(N端20肽)Multi-classantibodies規(guī)格:0.5mg
GRGDSpeptide粘附多肽GRGDSMulti-classantibodies規(guī)格:1mg
PACAP(1-38Peptide)腺苷酸環(huán)化酶激活肽1-38(全蛋白)Multi-classantibodies規(guī)格:0.5mg
MBP(MyelinBasicProtein,MBP)peptide髓鞘堿性蛋白(多肽抗原)Multi-classantibodies規(guī)格:0.5mg
Bursin囊素三肽/三肽囊素/雞法氏囊三肽Multi-classantibodies規(guī)格:100mg
NPY(NeuropeptideY)1-36神經(jīng)肽Y(1-36多肽)Multi-classantibodies規(guī)格:0.5mg
Leupeptin亮抑酶肽Multi-classantibodies規(guī)格:1mg
GRP(GastrinReleasingPeptide)促胃泌素釋放肽(抗原)Multi-classantibodies規(guī)格:0.5mg
BSA(標(biāo)準(zhǔn))牛血清白蛋白(標(biāo)準(zhǔn))Multi-classantibodies規(guī)格:1mg
MBP(MyelinBasicProtein,Rat)peptide髓鞘堿性蛋白(多肽)大鼠Multi-classantibodies規(guī)格:0.5mg
MOG35-55(myelinoligo-dendrocyteglycoprotein-MOG)髓鞘少樹突膠質(zhì)細(xì)胞糖蛋白(抗原)Multi-classantibodies規(guī)格:1mg
IGF-I(Insulin-likeGrowthFactor-I)胰島素樣生長(zhǎng)因子-I(抗原)Multi-classantibodies規(guī)格:0.5mg