产品介绍 Aladdin掌握琼脂糖微球心备技术,所制微球的机械性能和筛分性能远超行业标准,可以提供涵盖亲和层析、凝胶过滤、离子交换、疏水层析等多种不同类型的蛋白纯化介质。提供多种规格的填料和预装柱,满足实验室和工业生产规模的生物大分子分离纯化需求。 Ni-IDA 4FF Resin主要用于纯化带组氨酸标签(His-Tag) 的重组蛋白。以琼脂糖微球为基质,通过活化偶联亚氨基二乙酸(IDA),再螯合Ni2+。其中IDA是金属螯合层析中最常用的配体,与次氮基三乙酸(NTA)相比,具有亲和力强,载量高,可再生重复使用的特点。纯化原理是利用重组蛋白组氨酸标签的咪唑环可与过渡金Ni2+形成稳定的配位键,因此能特异、牢固、可逆地吸附于固定这些金属离子的基质,结合了His-Tag重组蛋白的Ni-IDA琼脂糖凝胶FF一般通过增加咪唑浓度进行竞争洗脱。 基础参数 基质
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Ni-IDA 4FF Resin
CAS number:unknown molecular formula:
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| Chinese alias | - | ||
| English alias | - | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | BioReagent |
| PSA | - | logp | - |
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