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AF 488 TCO
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 118H0 | 1 mg | $199 | 現貨 | |
| 218H0 | 5 mg |
$649
|
現貨 | |
| 418H0 | 25 mg |
$1789
|
現貨 |
Trans-cyclooctene (TCO) is one of the most used cycloalkenes for bioconjugation tasks. TCO readily reacts with tetrazines via inverse electron-demand Diels-Alder cycloaddition (IEDDA). TCO-Tetrazine ligation possesses ultrafast kinetics, selectivity, and long-term aqueous stability, which is important in low-concentration applications such as protein-protein conjugations, etc.
This TCO is a AF 488-containing derivative. AF 488 is sulfonated rhodamine, a bright, photostable, and hydrophilic fluorophore that emits in the green channel. The absorption maximum is 495 nm. The emission maximum is 519 nm.
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Biotin-PEG4-tetrazine
Biotin tetrazine is a reagent for copper-free click chemistry labeling with biotin, a well-known affinity probe to streptavidin.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。
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AF 568 DBCO
Dibenzocyclooctyne (DBCO, ADIBO) containing the orange fluorophore AF 568 for cooper-free labeling azide-tagged biomolecules inside live cells, whole organisms, and inanimate samples.General properties
| Appearance: | orange powder |
| Molecular weight: | 989.27 |
| Molecular formula: | C48H70N6O12S2 |
| Solubility: | good in water, DMSO; moderate in acetonitrile |
| 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: | 495 |
| ε, L⋅mol−1⋅cm−1: | 71800 |
| Emission maximum, nm: | 519 |
| Fluorescence quantum yield: | 0.91 |
| CF260: | 0.16 |
| CF280: | 0.10 |
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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