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5(6)-Carboxytetramethylrhodamine succinimidyl ester (5(6) TAMRA-SE) is an amine-reactive rhodamine dye marker for fluorescence labeling, especially for labeling of biomolecules (Abs: 554 nm, Em: 577 nm).
This amine-reactive red fluorescent derivatization reagent is widely used for covalent labeling of proteins and alkylamino modified nucleic acids.
The fluorescence quantum yield of TAMRA conjugates is about one-fourth that of fluorescein conjugates. Nevertheless, TAMRA conjugates often appear brighter than the corresponding fluorescein conjugates due to the fact that TAMRA is readily excited by the 546 nm spectral line from mercury-arc lamps used in most fluorescence microscopes and is intrinsically more photostable than fluorescein. TAMRA is also efficiently excited by the 543 nm spectral line of the green He-Ne laser.
Assay: min. 80% (HPLC, 240nm)
Appearance: purple powder
λabs = 554nm; ε =88.000 M-1; λem = 576nm, λexc = 554nm; Irel. (to fluorescein) = 0.46 (in PBS, pH7.4)
MW = 527.52 g/mol
application:fluorescent dye for labelling of proteins
Sicherheits Hinweise / Safety
Klassifizierungen / ClassificationCAS-Nr: 246256-50-8
Dokumente - Protokolle - Downloads
Here you will find information and further literature on 5(6) TAMRA-SE / 5(6) Carboxytetramethylrhodamine succinimidyl ester. For further documents (certificates with additional lot numbers, safety data sheets in other languages, further product information) please contact Genaxxon biosience at: email@example.com or phone: +49 731 3608 123.