NHS-Rhodamine (5/6-carboxy-tetramethyl-rhodamine succinimidyl ester), mixed isomer

Thermo Scientific NHS-Rhodamine is a high-performance derivative of rhodamine dye, activated for easy and reliable labeling of antibodies, proteins and other molecules for use as fluorescent probes.

Features of NHS-Rhodamine :

• Amine-specific labeling—NHS-ester varieties of rhodamine efficiently label antibodies and other purified proteins at primary amines (lysine side chains)
• Optimized procedure—following the standard protocol results in antibodies with excellent dye:protein ratios for optimum activity and fluorescence

NHS Rhodamine is an amine-reactive derivative of rhodamine dye that has wide-ranging application as antibody and other probe labels for use in fluorescence microscopy, flow cytometry and immunofluorescence-based assays such as western blotting and ELISA.

Applications:
• Label antibodies for use as immunofluorescent probes
• Label oligonucleotides for hybridization probes
• Detect proteins in gels and on western blots

Properties of Rhodamine Dyes:
Thermo Scientific Pierce Rhodamine Dyes are mixtures of isomers with reactive groups attached at the 5- and 6-positions of the bottom ring. The properties of these isomers are indistinguishable in terms of excitation and emission spectra, and for protein applications there is no need to isolate a specific isomer.

NHS-Rhodamine is activated with the N-hydroxy-succinimidyl-ester (NHS ester) functional group. Compared to TRITC, the NHS-ester deriviative has greater specificity toward primary amines in the presence of other nucleophiles and results in a more stable linkage following labeling.

Application Data:

Related Products
Pierce™ NHS-Rhodamine Antibody Labeling Kit
TRITC (5/6-tetramethyl-rhodamine isothiocyanate), mixed isomer

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