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sulfo-Cyanine3-PEG3-biotin
| 目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
|---|---|---|---|---|
| 3079-1mg | 1 mg | $120 | 现货 | |
| 3079-5mg | 5 mg | $290 | 现货 |
This fluorescent conjugate is useful for streptavidin-based fluorescent assays and visualization of the streptavidin/avidin-labeled biomolecules. Streptavidin, a protein with a high affinity to biotin, has four binding centers for biotin. The high stability of biotin/streptavidin complex gives the opportunity to build different kinds of assays. For example, a target molecule with affinity to the surface can be conjugated with biotin and immobilized on a solid surface. After it, streptavidin can be bound to the biotinylated surface and washed. Then, bound streptavidin on the surface can be visualized with the biotin-dye conjugate.
The long and hydrophilic PEG3 linker facilitates binding and decreases nonspecific interactions.
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THPTA配体
THPTA 是 Cu(I) 催化点击化学的水溶性配体。该配体使铜稳定在 Cu(I) 氧化态。由于水溶性高，与该配体的反应不需要有机共溶剂。Cyanine5酰肼 (Cyanine5 hydrazide)
Cy5 酰肼是标记醛酮类的活性染料。它可用于高碘酸氧化后糖蛋白的标记。sulfo-Cyanine3 NHS酯 (sulfo-Cyanine3 NHS ester)
水溶性磺基-Cyanine3琥珀酰亚胺酯 (SE) 活化酯，用于氨基生物分子标记。General properties
| Appearance: | dark colored solid |
| Molecular weight: | 1011.32 |
| Molecular formula: | C46H63N6KO11S3 |
| Solubility: | good in water, DMF, DMSO |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
| 安全数据表（MSDS）: | 下载 |
| 产品规格 |
Spectral properties
| Excitation/absorption maximum, nm: | 548 |
| ε, L⋅mol−1⋅cm−1: | 162000 |
| Emission maximum, nm: | 563 |
| Fluorescence quantum yield: | 0.1 |
| CF260: | 0.03 |
| CF280: | 0.06 |
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