sulfo-Cyanine5 tyramide
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 3796-1mg | 1 mg | $110 | 現貨 |
Thyramide signal amplification (TSA) is the most versatile and effective way to enhance the intensity of the fluorescent signal, used in immunohistochemistry (IHC), immunocytochemistry (ICC), and fluorescence in situ hybridization (FISH). The TSA method is based on the ability of horseradish peroxidase (HRP) in the presence of low concentrations of hydrogen peroxide to convert a labeled tyramine-containing substrate into an oxidized, highly reactive free radical that covalently binds to the tyrosine residues of protein molecules located next to it.
Compared to conventional procedures, the TSA method increases the sensitivity of immunofluorescent detection of target molecules by more than 100 times, making it particularly suitable for detecting low-concentration targets. In applications where increased detection sensitivity is not required, TSA can significantly reduce antibody or probe concentrations without loss of signal intensity, thereby reducing background staining due to cross-reactivity or non-specific binding of antibodies.
Since the binding of the tyramide label is covalent, tyramides of different dyes can be used in several sequential rounds of TSA staining to detect multiple targets in the same sample.
This tyramide is a conjugate of the water-soluble far-red fluorescent dye sulfo-Cyanine5. sulfo-Cyanine5 tyramide (also known as Cy5® and Cyanine5 tyramide from other manufacturers) is a component of many tyramide signal amplification (TSA) kits. It can be used with any antibody or other molecules (streptavidin, etc.) conjugated to HRP to stain cells and tissues by immunofluorescence methods.
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Cyanine5 NHS 酯 (Cyanine5 NHS ester)
胺反應性 Cyanine5 活化酯，用於標記蛋白質、肽和其他分子。AF 594 NHS酯 (AF 594 NHS ester)
AF 594 染料的紅色螢光 NHS-酯，用於標記蛋白質、肽、抗體和任何含有 -NH2 基團的分子。純5-異構體AF 488 DBCO
含有綠色熒光團 AF 488的二苯並環辛炔（DBCO、ADIBO），可用於標記活細胞、整個生物體和無生命樣品內的疊氮化物生物分子。純5-異構體。General properties
| Appearance: | dark blue solid |
| Molecular weight: | 800.05 |
| Molecular formula: | C40H46KN3O8S2 |
| Solubility: | soluble in water, DMSO, DMF |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
| MSDS: | 下載 |
| 產品規格 |
Spectral properties
| Excitation/absorption maximum, nm: | 646 |
| ε, L⋅mol−1⋅cm−1: | 271000 |
| Emission maximum, nm: | 662 |
| Fluorescence quantum yield: | 0.28 |
| CF260: | 0.04 |
| CF280: | 0.04 |
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