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1、常用凝胶的技术参数 1.葡聚糖凝胶的某些技术数据种类干颗粒直径(μ)分子量分级范围床体积毫升/克干分子筛得水值溶胀最少平衡时间(h)柱头压力(kPa)(2.5cm直径柱)肽及球形蛋白质葡聚糖(线性分子)室温沸水浴SephadexG-1040~120~700~7002~31.0±0.131 SephadexG-1040~120~150015002.5~3.51.5±3.531 SephadexG-25 粗级100~300 (≈5~100目) 中级50~150 (≈100~200目)1,000~5,000100~5,0004~61.
2、5±0.262细级20~800(≈200~400目) 超细10~40 SephadexG-50 粗级100~200 中级50~1501,500~500~ 细级20~8030,00010,0009~115.0±0.362超细10~40 SephadexG-75 40~1203,000~1,000~ 超细10~4070,000950,0007.5±0.524312~153.92~15.86SephadexG-100 40~1204,000~1,000~
3、 超细10~401,500,000150,00015~2010.0±1.04852.35~9.41SephadexG-150 40~1205,000~1,000~20~30 超细10~40400,000150,00018~2215.0±1.57250.88~3.53SephadexG-200 40~1205000~1000~30~40 10~40800,000200,00020~2520.0±2.07250.39~1.572.聚丙烯酰胺凝胶的技术数据型号排阻的下限(分子量)分级分离范围(分子量)膨胀后的床体积(
4、ml/g干凝胶)膨胀所需最少时间(室温,h)Bio-gel-P-21,600200~2,0003.82~4Bio-gel-P-43,600500~4,0005.82~4Bio-gel-P-64,6001,000~5,0008.82~4Bio-gel-P-1010,0005,000~17,00012.42~4Bio-gel-P-3030,00020,000~50,00014.910~12Bio-gel-P-6060,00030,000~70,00019.010~12Bio-gel-P-100100,00040,000~100,00019.024Bio-gel-P
5、-150150,00050,000~150,00024.024Bio-gel-P-200200,00080,000~200,00034.048Bio-gel-P-300300,000100~400,00040.0483.琼脂糖凝胶的技术数据型号琼脂糖含量排阻的下限分级分离的范围(分子量)生产厂家%(W/W)(分子量)Sepharose4B4 0.3×106~3×106PharmaciaSepharose2B2 2×106~25×106Sagavac10102.5×1051×104~2.5×105SeravacSagavac887×1052.5×104~7×10
6、5Sagavac662×1065×104~2×106Sagavac4415×1062×105~15×106Sagavac22150×1065×105~15×107Bio-gelA-0.5M100.5×106<1×104~0.5×106Bio-RadBio-gelA-1.5M81.5×106<1×104~1.5×106Bio-gelA-5M65×1061×104~5×106Bio-gelA-15M415×1064×104~15×106Bio-gelA-50M250×1061×105~50×106Bio-gelA-150M1150×1061×106~150×106
7、 4.各处凝胶所允许的最大操作压凝胶最大静水压(kPa)Sephadex G-109.8G-159.8G-259.8G-509.8G-754.95.琼脂糖凝胶浓度与线性DNA分辨范围凝胶浓度(%)线性DNA长度(bp)0.51000~300000.7800~120001.0500~100001.2400~70001.5200~30002.050~2000 6.染料在变性聚丙烯酰胺凝胶中的迁移速度凝胶浓度(%)溴酚蓝二甲苯青FF5.035bp140bp6.026bp106bp8.019bp75bp10
8、.012bp55bp20.08bp28