{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7wIpWtWdgOg","type":"doc","o":"1","documentId":"ucms_7wIpWtWdgOg"},"body":{"newStatus":"1","documentId":"ucms_7wIpWtWdgOg","staticId":"ucms_7wIpWtWdgOg","title":"胎牛血清用途","shareTitle":"胎牛血清用途","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/x0.ifengimg.com\/res\/2020\/629D6034522DBE0131E0539C70A188651C6BDF57_size96_w500_h278.jpeg","source":"DY缔一生物","author":"","editorcode":"weMedia","editTime":"2020-05-08 11:06:04","updateTime":"2020\/05\/08 11:06:04","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7wIpWtWdgOg","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7wIpWtWdgOg","commentsUrl":"ucms_7wIpWtWdgOg","commentCount":0,"text":"
胎牛血清的种类很多,对于不同的细胞类型及其研究目的,采用合适的胎牛血清进行细胞培养才能起到很好的效果。小编汇总下胎牛血清的用途。<\/p>
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胎牛血清是一种性状、外观浅黄色澄清、无溶血、无异物稍粘稠液体。胎牛血清应取自剖腹产的胎牛;新牛血清取自出生24小时之内的新生牛;小牛血清取自出生10-30天的小牛。<\/p>
显然,胎牛血清是品质最高的,因为胎牛还未接触外界,血清中所含的抗体、补体等对细胞有害的成分最少。<\/p>
牛血清是细胞培养中用量最大的天然培养基,含有丰富的细胞生长必须的营养成份,常用于动物细胞的体外培养,具有极为重要的功能。<\/p>
1.提供对维持细胞指数生长的激素,基础培养基中没有或量很少的营养物,以及主要的低分子营养物。<\/p>
2. 提供结合蛋白,能识别维生素、脂类、金属和其他激素等,能结合或调变它们所结合的物质活力。<\/p>
3.有些情况下结合蛋白质能与有毒金属和热原质结合,起到解毒作用。<\/p>
4.是细胞贴壁、铺展在塑料培养基质上所需因子来源。<\/p>
5.起酸碱度缓冲液作用。<\/p>
6.提供蛋白酶抑制剂,使在细胞传代时使剩余胰蛋白酶失活,保护细胞不受伤害。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/629D6034522DBE0131E0539C70A188651C6BDF57_size96_w500_h278.jpeg","size":{"width":"500","height":"278"}}],"summary":"胎牛血清的种类很多,对于不同的细胞类型及其研究目的,采用合适的胎牛血清进行细胞培养才能起到很好的效果。小编汇总下胎牛血清的用途。胎牛血清是一种性状、外观浅黄色澄","sharesummary":"胎牛血清的种类很多,对于不同的细胞类型及其研究目的,采用合适的胎牛血清进行细胞培养才能起到很好的效果。小编汇总下胎牛血清的用途。胎牛血清是一种性状、外观浅黄色澄","commentType":"0","wemediaEAccountId":"1381490","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002LVKqV0zP2CGOlAv--SqrKPIqJ8qVo7W8w6FCOpNH0XUg__","praise":"0","like_num":"0"}}