Thiazole Orange NHS ester
| 目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
|---|---|---|---|---|
| 2183-1mg | 1 mg | – | 现货 | |
| 2183-5mg | 5 mg | $60 | 现货 |
Thiazol Orange (TO) is an asymmetric cyanine dye whose fluorescence highly depends on the local environment. TO is essentially dark in solution; however, its fluorescence increases a thousandfold when ТО is introduced into double-stranded DNA and RNA (dsDNA or dsRNA). When TO-labeled oligonucleotide is hybridized to its complementary sequence, TO acts as an intercalator.
TO fluorescence is also induced by interaction with supramolecular hosts and amino acid side chains, which allows it to be used for detecting not only nucleic acids and proteins but also other analytes such as ions and small molecules.
The maximum absorption of TO with DNA is 509 nm, and the maximum emission is 532 nm.
Thiazole Orange NHS ester effectively reacts with amines and is well suited for labeling biomolecules (peptides, proteins, amino-DNA, etc.) in an aqueous medium. Thiazole Orange NHS ester can be useful for studying the binding of nucleic acids to other biomolecules, such as DNA-binding proteins.
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AF 430 NHS ester
AF 430 is a hydrophilic coumarin dye with emission in the green-yellow range. The NHS ester is used for the labeling of amine groups.BDP® 581/591 NHS ester
NHS ester derivative of BDP 581/591 borondipyrromethene fluorophore for the labeling of proteins, peptides, and other biomolecules. The dye is useful for fluorescence polarization and two-photon experiments, and as a ROS probe.AF 568 NHS ester
AF 568 derivative for labeling proteins and other high- and low-molecular weight ligands with free amines.General properties
| Appearance: | orange powder |
| Molecular weight: | 538.07 |
| Molecular formula: | C28H28ClN3O4S |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| 安全数据表（MSDS）: | 下载 |
| 产品规格 |
Spectral properties
| Excitation/absorption maximum, nm: | 509 |
| Emission maximum, nm: | 532 |
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