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AF 647 maleimide
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 16880 | 1 mg | $140 | 現貨 | |
| 26880 | 5 mg |
$450
|
現貨 | |
| 46880 | 25 mg |
$1460
|
現貨 | |
| 56880 | 50 mg |
$1890
|
現貨 | |
| 66880 | 100 mg |
$2990
|
現貨 |
AF 647 maleimide is a thiol-reactive dye for labeling of protein SH groups, and it can be used to attach AF 647 fluorophore to proteins and peptides containing cysteine residues, as well as to other thiolated molecules (such as thiol-containing oligonucleotides). Cystines should be reduced with TCEP (tris-carboxyethylphosphine) or with another appropriate reductant prior to the labeling.
AF 647 is a bright, far-red-emitting fluorescent dye with high fluorescence quantum yield and photostability. AF 647 is a water-soluble, pH-insensitive dye. The spectrum of AF 647 is far from the green-yellow wavelengths, which makes this fluorophore indispensable for the microscopy of tissues with high autofluorescence.
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AF 488 馬來醯亞胺 (AF 488 maleimide)
AF 488 C6 馬來醯亞胺是一種用於標記蛋白質 SH 基團的硫醇反應性活性染料。DMSO (dimethyl sulfoxide), labeling grade
Pure dimethyl sulfoxide (DMSO) solvent with quality optimized for bioconjugation reactions.Biotin-PEG4-NHS ester
PEG4-containing activated ester for simple and efficient biotin labeling of antibodies, proteins, and other primary amine-containing biomolecules.General properties
| Appearance: | dark blue powder |
| Molecular weight: | 1081.40 |
| Molecular formula: | C41H47K3N4O15S4 |
| Solubility: | good in DMSO, DMF |
| Quality control: | NMR 1H and HPLC-MS (90+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| MSDS: | 下載 |
| 產品規格 |
Spectral properties
| Excitation/absorption maximum, nm: | 655 |
| ε, L⋅mol−1⋅cm−1: | 191800 |
| Emission maximum, nm: | 680 |
| Fluorescence quantum yield: | 0.15 |
| CF260: | 0.09 |
| CF280: | 0.08 |
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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