取新鲜猪血,离心,除去黄色血浆。将得到的红细胞用氯化钠溶液离心洗浮,除去洗浮液。这样反复清洗3次,得干净红细胞。在5℃下,向干净红细胞中加入去离子水,搅拌0. 5h,然后向每lOOmL红细胞溶液中加入25mL乙醇和15mL氯仿,搅拌15 min,离心去除血红蛋白,收集上清液。在0℃下,向上清液中加入1. 2~1.5倍体积的丙酮,有大量沉淀生成,离心。沉淀物用去离子水溶解,离心,除去不溶性蛋白,上清液在55~65℃热处理10~15min,离心,除去大量热变性蛋白,收集黄绿色的上清液。在0℃下,再加入适量丙酮于上清液中,使其产生沉淀,离心。沉淀物再加去离子水溶解,离心除去不溶性蛋白,清液在透析袋中透析透析6~8h。将透析液加入到用pH7.6磷酸缓冲液平衡好的DEAE-Sephadex A-50色谱柱上吸附,然后用pH7.6的磷酸钾缓冲液(2.5~50mmol/L)进行梯度洗脱,收集洗脱液,超滤,浓缩,冷冻干燥,即得超氧化物歧化酶成品。
肝炎、尿毒症、糖尿病患者忌用;不能与酸性或碱性药物、含醇制剂、金属盐和抗生素类药物配伍。
中文名 | 超氧化物歧化酶 |
英文名 | superoxide dismutase F. bovine erythro-cytes |
别名 | 超氧歧化酶 超氧化物歧化酶 过氧化物岐化酶 超氧化物歧化酶 牛 过氧化物歧化酶 SOD 超氧化歧化物(SOD) 超氧化物歧化酶 铜锌盐 人 超氧化物歧化酶 来源于牛肝脏 超氧化物岐化酶(来源牛红细胞) |
英文别名 | SOD rh-SOD1 Superoxide dismutase Dismutase,superoxide SOD Superoxide Dismuyase Superoxide Dismutase from pig blood superoxide dismutase microbial sources Superoxide Dismutase bovine erythrocytes superoxide dismutase F. bovine erythro-cytes superoxide dismutase from bovine*erythrocytes Superoxide Dismutase, Human, Recomb., E. coli Recombinant Human Superoxide Dismutase(rhSOD) superoxide dismutase microbial sources*from esche |
CAS | 9054-89-1 |
EINECS | 232-943-0 |
溶解度 | 在含有0.1 mmedta的0.05 M磷酸钾缓冲液 (ph值7.8) 中以5 mg/ml溶解。 |
存储条件 | -20°C |
外观 | 粉末 |
颜色 | blue-gray |
物化性质 | 超氧化物歧化酶的主要作用是能专一清除体内的超氧阴离子O-2,以解除氧阴离子氧化体内的成分造成对机体的损害。其半衰期短,通常仅有6~10min。相对分子质量大,不易透过细胞膜、口服易受蛋白不解酶作用而失活。所以临床应用受到限制。该酶系一种酸性蛋白质,较稳定,能耐热。Ph7.6~9时稳定,ph6以下和12h以上不稳定。特别是在ph2以下极度不稳定。具有较强的抗胃蛋白酶和胰蛋白酶水解的能力。无免疫调节及镇痛作用,也不影响前列腺素等炎症介质的合成。 |
MDL号 | MFCD00132404 |
风险术语 | 36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
安全术语 | S26 - 不慎与眼睛接触后,请立即用大量清水冲洗并征求医生意见。 S36 - 穿戴适当的防护服。 S24/25 - 避免与皮肤和眼睛接触。 S22 - 切勿吸入粉尘。 S23 - 切勿吸入蒸汽。 |
WGK Germany | 3 |
FLUKA BRAND F CODES | 10-21 |
海关编号 | 35079090 |
上游原料 | 乙醇95% 血红蛋白 |
下游产品 | γ-环糊精 |
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取新鲜猪血,离心,除去黄色血浆。将得到的红细胞用氯化钠溶液离心洗浮,除去洗浮液。这样反复清洗3次,得干净红细胞。在5℃下,向干净红细胞中加入去离子水,搅拌0. 5h,然后向每lOOmL红细胞溶液中加入25mL乙醇和15mL氯仿,搅拌15 min,离心去除血红蛋白,收集上清液。在0℃下,向上清液中加入1. 2~1.5倍体积的丙酮,有大量沉淀生成,离心。沉淀物用去离子水溶解,离心,除去不溶性蛋白,上清液在55~65℃热处理10~15min,离心,除去大量热变性蛋白,收集黄绿色的上清液。在0℃下,再加入适量丙酮于上清液中,使其产生沉淀,离心。沉淀物再加去离子水溶解,离心除去不溶性蛋白,清液在透析袋中透析透析6~8h。将透析液加入到用pH7.6磷酸缓冲液平衡好的DEAE-Sephadex A-50色谱柱上吸附,然后用pH7.6的磷酸钾缓冲液(2.5~50mmol/L)进行梯度洗脱,收集洗脱液,超滤,浓缩,冷冻干燥,即得超氧化物歧化酶成品。
肝炎、尿毒症、糖尿病患者忌用;不能与酸性或碱性药物、含醇制剂、金属盐和抗生素类药物配伍。
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