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AVANTI POLAR LIPIDS , CYGNUS , LARODAN , ADIPOGEN , MYBIOSOURCE , SERVA NORDMARK, BIOWORLD, EDGEBIO , PANREAC APPLICHEM
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5(6)-Carboxynaphthofluorescein
100 mg
photos non contractuelles
Détails Produit
Product description: 5(6)-Carboxynaphthofluorescein (CNF) is a fluorescent NIR emitting pH indicator with red fluorescence at pH 9 (Spectral: Ex/Em: 598/668 nm). The fluorescence shifs to shorter wavelengths (Ex/Em: 512/567nm) at neutral or acidic pH environments. Spectral data: lambdaex=512nm; lambdaem=567nm (acid/neutral); lambdaex=598nm; lambdaem=668nm (basic). CNF shows good sensitivity in an alkaline pH range and it can be exploited in the construction of fiber-optic pH sensors. CNF has been used as an intravesicular pH probe for the colorimetric detection of activity, selectivity and cooperativity of ion channels. CNF has been used to design a luminescent probe for determination of pH, based on a Forster resonance energy transfer (FRET) system, combining a europium chelate as the donor and CNF as a pH sensitive acceptor. The FRET system enables referenced pH detection in an exceptional broad dynamic range from pH 3 to 9.
Alternate Names/Synonyms: CNF
CAS: 128724-35-6
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