| 产品名称 | 编号 | 产品说明 | 单位 | 单价 | 加入购物车 |
| 链霉亲和素磁珠(300nm) | 22308-100 | 100 mL, 10 mg/mL, 300 nm | 瓶 | 询价 | |
| 链霉亲和素磁珠(300nm) | 22308-10 | 10 mL, 10 mg/mL, 300 nm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠(300nm) | 22308-1 | 1mL, 10 mg/mL, 300 nm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠试用套装 | 22300-Trial | 4X1 mL, 10 mg/mL（含22306, 22307, 22308, 22309） | 瓶 | ¥1880.00 | |
| 链霉亲和素磁珠（2 μm） | 22305-1 | 1 mL, 10 mg/mL, 2 μm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠（2 μm） | 22305-10 | 10 mL, 10 mg/mL, 2 μm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠（2 μm） | 22305-100 | 100 mL, 10 mg/mL, 2 μm | 瓶 | 询价 | |
| 链霉亲和素磁珠（5 μm） | 22306-1 | 1 mL, 10 mg/mL, 5 μm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠（5 μm） | 22306-10 | 10 mL, 10 mg/mL, 5 μm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠（5 μm） | 22306-100 | 100 mL, 10 mg/mL, 5 μm | 瓶 | 询价 | |
| 链霉亲和素磁珠（1 μm） | 22307-1 | 1 mL, 10 mg/mL, 1 μm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠（1 μm） | 22307-10 | 10 mL, 10 mg/mL, 1 μm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠（1 μm） | 22307-100 | 100 mL, 10 mg/mL, 1 μm | 瓶 | 询价 | |
| 链霉亲和素磁珠（300nm） | 22308C-1 | 1mL | 瓶 | ¥1980.00 | |
| 链霉亲和素磁珠（300nm） | 22308C-10 | 10mL | 瓶 | ¥9980.00 | |
| 链霉亲和素磁珠（2.8 μm） | 22309-1 | 1 mL, 10 mg/mL, 2.8 μm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠（2.8 μm） | 22309-10 | 10 mL, 10 mg/mL, 2.8 μm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠（2.8 μm） | 22309-100 | 100 mL, 10 mg/mL, 2.8 μm | 瓶 | 询价 | |
| 链霉亲和素磁珠(3μm) | 22311-1 | 1 mL, 10 mg/mL, 3 μm | 瓶 | ¥1580.00 | |
| 链霉亲和素磁珠(3μm) | 22311-10 | 10 mL, 10 mg/mL, 3 μm | 瓶 | ¥7980.00 | |
| 链霉亲和素磁珠(3μm) | 22311-100 | 100 mL, 10 mg/mL, 3 μm | 瓶 | 询价 | |
| 琼脂糖链霉亲和素磁珠（10-30 μm） | 22321-5 | 5 mL, 20%, 10-30 μm | 瓶 | ¥2890.00 | |
| 琼脂糖链霉亲和素磁珠（10-30 μm） | 22321-10 | 10 mL, 20%, 10-30 μm | 瓶 | ¥5780.00 | |
| 琼脂糖链霉亲和素磁珠（10-30 μm） | 22321-50 | 50 mL, 20%, 10-30 μm | 瓶 | 询价 |
链霉亲和素-生物素（SA-Biotin） 系统具有极高的结合亲和力（K =10^-15） ， 在生物领域具有广泛的应用。 BeaverBeads™ Streptavidin磁珠表面共价偶联SA蛋白，可高效结合生物素化抗体、核酸、蛋白等配体分子。本产品采用超顺磁性微球，粒径均一、形貌规整，有利于方便、快捷地捕获目标分子以及实现磁性分离。本产品可配套自动化设备进行高通量操作。
产品列表：
产品信息 | SA磁珠 Cat. #22307 | SA磁珠 Cat. #22305 | SA磁珠 Cat. #22306 | SA磁珠 Cat. #22308 |
游离生物素 （pmol/mg磁珠） | 1100 | 1000 | 800 | / |
生物素化单链寡核苷酸(24nt) （pmol/mg磁珠） | 500 | 400 | 400 | 450 |
生物素化IgG （μg/mg磁珠） | 20 | 20 | 15 | 15 |
| 磁珠粒径 | 1μm | 2μm | 5μm | 300nm |
磁珠浓度 | 10 mg/mL | |||
磁珠表面 | 亲水基团 | |||
保存溶液 | 1×PBS，含0.1%（w/v）BSA，0.1%（v/v）proclin-300 | |||
保存条件 | 2~8℃ | |||
保质期 | 2年 | |||
产品特点
• 优秀的生物素分子结合能力
• 良好的稳定性
• 快速灵敏的磁响应性能
• 可适应较为广泛的实验条件
图一、磁珠经不同溶液处理后结合生物素化分子的活性
图2、磁珠经热处理后结合生物素化分子的活性
产品应用实例
1、检测Biotin标记的兔IgG
 | BeaverBeads Mag SA磁珠可检测浓度低至6.25ng/mL的Biotin-IgG。 |
2、检测Biotin标记DNA探针
| BeaverBeads™ Mag SA磁珠可检测浓度低至6.25fmol/mL的Biotin-DNA 探针，且具有较低的本底吸附。 |
文献参考：doi:10.1038/ni.3229
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