过氧化物酶标记链霉亲和素，Peroxidase Streptavidin，货号-规格：CW0116S-100μl
| 市场价： | ￥298.0 | |||||||||
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| 品牌： | 康为世纪 | |||||||||
| 规格： | 100μl | |||||||||
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过氧化物酶标记链霉亲和素，Peroxidase Streptavidin 产品货号：CW0116S 规格：100μl 过氧化物酶标记链霉亲和素，Peroxidase Streptavidin
链霉亲和素（Streptavidin，SA）与生物素（Biotin）具有极高的亲和力，反应呈高度专一性。每个链霉亲和素分子具有4个生物素分子结合位点，因此，它可同时以多价形式结合生物素化的大分子衍生物，通过标记的HRP催化底物显色，具有多级放大作用。与亲和素相比，链霉亲和素不带糖基、等电点低，在使用中表现出更低的背景和更高的检测灵敏性。HRP标记链霉亲和素可用于微量抗原、抗体及核酸等大分子的定量、定性检测及定位观察研究，与生物化的抗体联合使用，可检测微量抗原的存在及分布。本产品可用于Immunohistochemistry（IHC）、Western Blot、ELISA等检测。 缓冲液：0.01M PBS，50%甘油，pH7.6 稳定剂：15 mg/ml BSA（不含IgG和蛋白酶） 防腐剂：无（叠氮钠是HRP抑制剂，抗体稀释液中请避免使用叠氮钠作为防腐剂） 应用范围： WB (1：1,000-5,000) ELISA (1：1,000-5,000) Immunohistochemistry (1：100-400) |
Streptavidin Magnetic Beads |NEB酶试剂 New England Biolabs
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Streptavidin Magnetic Beads
Streptavidin Magnetic Beads are 1 µm superparamagnetic particles covalently coupled to a highly pure form of streptavidin. The beads can be used to capture biotin labeled substrates including antigens, antibodies and nucleic acids.
- The strength of the biotin-streptavidin interaction, an association constant (Ka) of 1015 M-1, coupled with the low non-specific binding of streptavidin permits captured substrates to be useful as ligands in subsequent experiments including mRNA isolation, nucleic acid enrichments and the capture of primary or secondary antibodies
- Other applications include 5-hmC detection and analysis, methylated DNA analysis, and solution-phase panning in phage display experiments
- Binding capacity: ≥30 µg biotinylated antibody per mg and >500 pmol of single-stranded 25 bp biotinylated oligionucleotide per mg
- High binding capacity and low non-specific binding of proteins make this bead ideally suited for protein isolation applications
- Quick, small-scale purification of biotinylated proteins affords higher throughput and efficiency
