Biological Conjugation

Tetramethylrhodamine-6-maleimide is a fluorescent dye with a reactive sulfhydryl-specific moiety is covalently coupled to this cysteine. Tetramethylrhodamine-6-maleimide can be used as labels to detect local protein motions of the fully active Na+/K+-ATPase in real time.

Sulfo-Cyanine5.5 azide tripotassium, a near-infrared (NIR) fluorescent dye, is an azide-functionalized Sulfo-Cyanine5.5 (Ex=678 nm, Em=694 nm). Sulfo-Cyanine5.5 azide tripotassium can react with alkynes for Click Chemistry labeling. It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.

O-Methyl-O-(N-butylfluorescein)phosphate is a fluorescent dye.

N-(4-Anilino-1-naphthyl)maleimide is a fluorescent probe that can be used to detect thiol groups in proteins. N-(4-Anilino-1-naphthyl)maleimide reacts with thiol groups and immediately produces a stable fluorescent compound with the λ_ex=355 nm, λ_em=448 nm.

N-(3-Fluoranthyl)maleimide is a thiol fluorescent probe with a lifetime of 20 nsec. N-(3-Fluoranthyl)maleimide has a maximum excitation wavelength of 370 nm and can be used to study the time-dependent processes of biopolymers.

MTSEA-Fluorescein is a fluorescent probe that can be used for ion channel research.

4-Methyl-2-phenylchromenylium tetrafluoroborate is a fluorescent dye.

2-(Pyren-1-ylaminocarbonyl)ethyl methanethiosulfonate is a fluorescent.

N-4-(5,6-Dimethoxy-N-phthalimidinyl)phenylmaleimide is a fluorescence reagent for labeling thiol.

4-(2-Aminoethylamino)-7-(N,N-dimethylsulfamoyl)benzofurazan is a precolumn fluorescence derivatization reagent.

Fluorescent red NIR 880 is a fluorescent dye.

Fluorescent red 610 is a fluorescent dye with an excitation peak at 590 nm and an emission peak at 610 nm.

Fluorescent Red Mega 480 is a dye that is specifically designed for multicolor techniques. Fluorescent Red Mega 480 is characterized by an extremely large stoke′s shift between excitation and emission maxima.

Fluorescent Red Mega 485 NHS-ester is an amine conjugating fluorescent biolabel that can be used to label proteins.

3,3-Dibutylthiacarbocyanine iodide is a fluorescent dye with an excitation of 559 nm and an emission 604 nm.

Dansyl ethylenediamine is a fluorescent probe. Dansyl ethylenediamine can be used for synthesis of protein-imprinted polymers which is capable of specific transduction of protein binding events into fluorescent signal change.

3,3'-Diethylthiacyanine iodide is a cyanine fluorescent dye. 3,3'-Diethylthiacyanine iodide manifestes a pronounced affinity for bacterial cells.

1,2-Diamino-3,4-ethylenedioxybenzene is a carbonyl-reactive fluorometric labeling agent.

6,7-Diaminoquinoxaline-2,3-dione dihydrochloride is a fluorescent dye that reacts with aldehydes.

7-Hydroxy-4-methylcoumarin-3-acetic acid, SE is a blue fluorophore that has pH-dependent and environment-sensitive fluorescence. It is widely used for preparing bioconjugates of blue fluorescence.