
Newborn calf serum will support a wide variety of establishedcell lines and primary cultures which might otherwise requirefetal bovine serum. Empirical testing is the most reliable methodfor determining usefulness for a particular line.
US or New Zealand Origin
Sterile-filtered
Mycoplasma-tested and virus-screened
Ships on dry ice. Store frozen at -20 to -10°C
*Single-unit price. For inquiries about this product,contact your sales representative.
ebiomall.com






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由此,注射疫苗(没有破坏力但却能刺激机体产生对应的抗体)属于主动免疫,注射血清(即抗体)属于被动免疫,前者旨在预防,标本兼治,后者则能够应急。
体液免疫:生发中心母细胞的轻链和重链V基因可发生高频率的点突变,在抗原诱导的情况下产生.在初次免疫应答时,大量抗原的出现,可使表达不同亲和力的BCR的各种B细胞克隆被选择和激活,产生多种不同亲和力的抗体.每个B细胞开始时一般均表达IgM,在免疫应答时首先分泌IgM,通过重链C区的基因重排,随后会产生IgG,IgA,起主要的免疫应答作用.
细胞免疫:抗原被提呈给T细胞后,T细胞活化,产生大量的细胞因子,比如干扰素,白细胞介素等,参与细胞免疫过程.

