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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
4-8ºC without exposure to light. No precautions necessary during handling.
- 保质期:
12个月
- 库存:
大量
- 供应商:
上海信裕生物科技有限公司
- 抗体英文名:
Anti-Clostridium tetani toxoid
- 规格:
200ug/1mg
Anti-Clostridium tetani toxoid (Tetanus toxoid)
- Cat. No.
- HYB 278-14
- Product name
- Anti-Clostridium tetani toxoid (Tetanus toxoid)
- Description
- Mouse monoclonal antibody
- Specificity
- HYB 278-14 reacts specifically with Clostridium tetani toxoid and toxin in a neutralizing manner. HYB 278-14 neutralizes tetanus toxin efficiently enough to protect mice in the in-vivo test of tetanus antitoxin activity.
- Immunogen
- Tetanus toxoid
- Application
- ELISA
- Species reactivity (positive)
- Clostridium tetani
- Species reactivity (negative)
- Not determined
- Subclass
- IgG1/k
- Clone number
- 14F5
- Epitope
- Epitope specificity differs from that of HYB 278-15 and HYB 278-17 as determined by competitive ELISA.
- Purification
- Protein-A purified
- Form
- Liquid
- Solvent
- 0.01 M phosphate buffer, pH 7.4, containing 0.5 M NaCl and 15 mM sodium azide
- Storage
- 4-8ºC without exposure to light. No precautions necessary during handling.
- Target
- Clostridium tetani is a Gram-positive, motile bacterium found in soil and animal feces. Toxigenic strains of C. tetani contain a plasmid encoding the potent exotoxin which causes tetanus (lockjaw). The toxin is synthesized as a single 150 kDa protein chain which is cleaved ("nicked") into a 100 kDa heavy chain (fragment B) and a 50 kDa light chain (fragment A) connected by a disulfide bridge. Tetanus toxoid is produced by prolonged incubation of the toxin with formaldehyde and lysine, and is often used as a carrier for compounds of poor immunogenicity.
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文献和实验以加入菌体外霉素、抗毒素等各种方法进行处理,使其抗原性不发生改变而毒性被减低的一种物质。类毒素一词为P. Ehrlich所命名。一般使用类毒素可使活体对细菌毒素产生能动性免疫。为人们所熟知的是白喉类毒素的福尔马林处理物制成的减毒素( ana- toxin: G. Ramon, 1932)。
细菌的外毒素经甲醛处理后,失去毒性而仍保留其免疫原性,能刺激机体产生保护性免疫的制剂。常用的甲醛溶液的浓度是0.3~0.4%。它可使细菌外毒素的电荷发生改变,封闭其自由氨基,产生甲烯化合物(CH2 =N-)。其他基团(如吲哚异吡唑环)与侧链的关系亦可改变,成为类毒素。常用的类毒素有白喉类毒素,破伤风类毒素。另外,若在类毒素中加入适量的磷酸铝或氢氧化铝,即成吸附精制类毒素。该类制剂在体内吸收较慢,能较长时间刺激机体,使机体产生高滴度抗体,增强免疫效果。类毒素也可与死疫苗混合
破伤风梭菌( clostridium tetani )是引导起破伤风的病原菌,大量存在于人和动物肠道中,由粪便污染土壤,经伤口感染引起疾病。 破伤风梭菌菌体细长,长 4 ~ 8um ,宽 0.3 ~ 0.5um ,周身鞭毛,芽胞呈圆形,位于菌体顶端,直径比菌体宽大,似鼓槌状,是本菌形态上的特征。繁殖体为革兰氏阳性,带上芽胞的菌体易转为革兰氏阴性。破伤风梭菌为专性厌氧菌,最适生长温度为 37 ℃ ph7.0 ~ 7.5 ,营养要求
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