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- NBD-TMA ([2-(4-nitro-2,1,3-benzoxadiazol-7-yl)aminoethyl]trimethylammonium) is a small, positively charged (+1) fluorescent dye. It was also known as EAM-1 (N,N,N,-Trimethyl-2[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]ethanaminium iodide) when it was briefly supplied by as an iodide complex. NBD-TMA has an excitation maximum at 458 nm and an emission maximum at 530 nm. It also has a smaller local excitation maximum around 343 nm. The molar extinction coefficient is about 13,000 cm−1M−1 and its overall effective fluorescence is about 1% that of fluorescein. It is only mildly sensitive to halide ion collision quenching. NBD-TMA was designed as a probe for monitoring renal transport of organic cations. As a small, positively charged fluorophore, it has also seen use as a tracer for measuring gap junction coupling in cases of cation selective connexin channels. (en)
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- N,N,N-Trimethyl-2-[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]ethan-1-aminium (en)
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- 2209 (xsd:nonNegativeInteger)
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- N,N,N-Trimethyl-2-[amino]ethan-1-aminium (en)
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- NBD-TMA ([2-(4-nitro-2,1,3-benzoxadiazol-7-yl)aminoethyl]trimethylammonium) is a small, positively charged (+1) fluorescent dye. It was also known as EAM-1 (N,N,N,-Trimethyl-2[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]ethanaminium iodide) when it was briefly supplied by as an iodide complex. NBD-TMA was designed as a probe for monitoring renal transport of organic cations. As a small, positively charged fluorophore, it has also seen use as a tracer for measuring gap junction coupling in cases of cation selective connexin channels. (en)
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