Enzyme Labeling

pyCTZ (Pyridyl CTZ) hydrochloride, a pyridyl Coelenterazine (CTZ) analog, and is an ATP-independent pyridyl substrate of LumiLuc luciferase. pyCTZ hydrochloride generates strong blue bioluminescence in the presence of luciferases. pyCTZ hydrochloride can be used for aequorin-based calcium sensing.

pyCTZ (Pyridyl CTZ) TFA, a pyridyl Coelenterazine (CTZ) analog, and is an ATP-independent pyridyl substrate of LumiLuc luciferase. pyCTZ TFA generates strong blue bioluminescence in the presence of luciferases. pyCTZ TFA can be used for aequorin-based calcium sensing.

D-Ala-Lys-AMCA TFA is a known proton-coupled oligopeptide transporter 1 (PEPT1) substrate that emits blue fluorescence. D-Ala-Lys-AMCA TFA may be transported into liver cancer cells and Caco-2 cells based on fluorescence analysis. D-Ala-Lys-AMCA TFA can be used for characterizing PEPT1-specific substrates or inhibitors (Ex/Em = 390/480 nm).

TMB-PS (TMBZ-PS) is an oxidizable signaling molecule that can be used for metal-organic framework (MOF)-related research. TMB-PS serves as a chromogenic substrate for peroxidase, and its derivative GHTZIFs can be oxidized by horseradish peroxidase to form blue TMB-PS•+ in the presence of glucose.

Nicotinamide 1,N6-ethenoadenine dinucleotide (solution) (ε-NAD (solution)) is a fluorescent analog of NAD. Nicotinamide 1,N6-ethenoadenine dinucleotide can be cleaved by phosphodiesterase I (from C. adamanteus venom) and binds to bovine liver glutamate dehydrogenase. Nicotinamide 1,N6-ethenoadenine dinucleotide can serve as a substrate for G-ADP ribosylation of G proteins catalyzed by bacterial toxins. Nicotinamide 1,N6-ethenoadenine dinucleotide can be used as a fluorescent substrate for the study of ADP ribosylation reactions.
Solvent and concentration: ddH2O: 20 mM

3-BTMD is obtained by COMT enzyme specifically catalyzing the substrate 3-BTD (Ex=390 nm, Em=510 nm).

2-Chloro-4-nitrophenyl-α-D-glucopyranoside (CNP-α-D-Glucopyaoside) as a chromogenic substrate for the enzymatic activity assay of the enzyme that releases CNP from conjugated carbohydrates.

2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone (NSC 528) is a colorimetric dye used for the detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone reacts with phenolic compounds at a pH of about 9.4 to produce an indigo dye. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has been used as a Gibbs reagent for the colorimetric detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has also been used in a colorimetric reaction for the quantitative colorimetric detection of aflatoxins, turning the colorless aflatoxins green with an absorption band at 673 nm.

4-Nitrophenyl β-D-cellotetraoside (p-Nitopheyl β-D-cellotetaoside) is a small molecule cellulose mimetic consisting of a tetramer of D-glucose units linked by β-1-4 glycosidic bonds. The fragmentation pattern of 4-Nitrophenyl β-D-cellotetraoside after enzymatic hydrolysis can be analyzed by TLC or by the release of 4-nitrophenol, which has a strong absorbance at 395 nm in alkaline solutions. 4-Nitrophenyl β-D-cellotetraoside can be used in cellulose degradation studies to determine the specificity of cellulases.

4-Nitrophenyl β-D-cellotrioside (p-Nitopheyl β-D-cellotioside) is a chromogenic substrate for endoglucanases and cellulose biohydrolases. As a fluorescent dye, nitrophenyl β-D-Cellotrioside can be hydrolyzed by enzymes to release 4-nitrophenol, producing a yellow color. The activity of the enzyme can be quantitatively analyzed by monitoring the change in absorbance at 405 nm.

N-(Aminoethyl)-8-naphthylamine-1-sulfonic acid sodium (1,8-EDNAS sodium) is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

JF526-Taxol (TFA) is a versatile scaffold for fluorogenic probes including ligands for self-labeling tags, stains for endogenous structures, and spontaneously blinking labels for super-resolution immunofluorescence.

AMC-GlcNAc (compound 1) is a potent fluorogenic probe for detection and characterization of β-hexosaminidase enzyme activity. AMC-GlcNAc enables continuous monitoring by turn-on fluorescence and fluorescence signal is constant over a wide pH range (Ex=325 nm, Em=390 nm). AMC-GlcNAc enables ratiometric fluorescence detection with high sensitivity and low background, which can be used to screen for recombinant dispersin B activity in E. coli cell lysate.

D-Lys(Z)-Pro-Arg-pNA (Chromozym Pca) is a chromogenic peptide substrate of activated protein C (APC).