BDP FL NHS ester是一種在488nm通道的染料,是一種類似于BODIPY FL® NHS ester的分子,還是熒光素的替代劑。用于標記蛋白和多肽的氨基活性染料。 雖然這種熒光染料的吸收和發射光譜比FAM的激發和發射通道范圍小,處在其范圍內,但BDP FL NHS ester有著更好的耐光性,在亮光下表現突出。但是在單色光分光器上,如果能調整到染料的*大發射波長處,將檢測到更大信號亮度。 這種染料是中性的,小分子量,在結合物中也能保持高的量子產率。 該染料能夠很好的替代fluorescein (FAM), BODIPY-FL, Alexa Fluor 488, DyLight 488, Cy2及其他在488nm納米處激發的熒光染料。
BODIPY® is a trademark of Life Technologies.
General properties
Appearance:
orange solid
Mass spec M+ increment:
274.1
Molecular weight:
389.16
Molecular formula:
C18H18BF2N3O4
Solubility:
Good in organic solvents (DMF, DMSO, dichlromethane), limited in water
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.
Spectral properties
Excitation maximum, nm:
503
Extinction coefficient at excitation maximum, Lmol-1cm-1:
80000
Emission maximum, nm:
509
Fluorescence quantum yield:
0.9
CF260:
0.015
CF280:
0.027
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