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- 详细信息
- 文献和实验
- 技术资料
- 库存:
199
- 英文名:
Kappa-carratridecaoseheptasodium salt
- CAS号:
收到货为准
- 保质期:
收到货为准
- 供应商:
齐一生物科技(上海)有限公司
- 保存条件:
见详细包装
- 规格:
1mg
K-卡拉胶十三糖钠盐
英文名称:Kappa-carratridecaoseheptasodium salt
CAS号:N/A
标准品货号:QYT-10076
标准品规格:1mg
产品结构式:
K-卡拉胶十三糖钠盐
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文献和实验葡萄糖酵解酶的作用,延长标本的保存时间。 (4)二乙胺四乙酸钠盐(EDTA-2Na):生化常用的抗凝剂,但不能用于钙、钠、及含氮物质的测定,对淀粉酶、肌酸激酶、AKP、ALP、5‘-核苷酸酶等可抑制,对丙酮酸激酶有明显升高的作用。 (5)枸橼酸钠:测定血沉用3.8%枸橼酸钠抗凝,抗凝剂与血液比例为1:4,凝血试验需用3.2%枸橼酸钠抗凝,比例为1:9. (6)实验室使用抗凝剂种类较多:血细胞分析及红细胞比积测定宜用EDTA-K2抗凝,保证室温下6小时RBC体积不变,抗凝
抗凝剂的选择:抗凝剂的种类较多,如选择不当,会影响检验结果的准确性。下面介绍几种生化检验常用的抗凝剂及其用途: (1)草酸钾:常用于尿素、肌酐、纤维蛋白原等测定,不能用钾、钙等测定,对LDH、丙酮酸激酶、AKP和淀粉酶有抑制作用。 (2)肝素:常用于电解质、血气分析、血氨等测定。抗凝剂比例为50~61u肝素/5ml血。注意钠盐可使淀粉酶升高。 (3)氟化钠:常用氟化钠—草酸钠混合抗凝剂作血糖测定的抗凝剂,氟化钠可以抑止烯醇化酶,它可避免血细胞葡萄糖酵解酶的作用,延长标本的保存
(3)氟化钠:常用氟化钠—草酸钠混合抗凝剂作血糖测定的抗凝剂,氟化钠可以抑止烯醇化酶,它可避免血细胞葡萄糖酵解酶的作用,延长标本的保存时间。 (4)二乙胺四乙酸钠盐(EDTA-2Na):生化常用的抗凝剂,但不能用于钙、钠、及含氮物质的测定,对淀粉酶、肌酸激酶、AKP、ALP、5’-核苷酸酶等可抑制,对丙酮酸激酶有明显升高的作用。 (5)枸橼酸钠,测定血沉用3.8%枸橼酸钠抗凝,抗凝剂与血液比例为1:4,凝血试验需用3.2%枸橼酸钠抗凝,比例为1:9。 (6)实验室使用
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