Sustratos fluorogénicos

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Fluorogenic substrate for ?-L-iduronidase

5-Acetamidofluorescein-di-(b-D-galactopyranoside), also known as C2FDG, is a fluorogenic substrate for beta-galactosidase that generates a green fluorescence after cleavage (Em ~520 nm). It is used in enzyme activity assays and in flow cytometry in animal, bacterial, and yeast cells.

2-Dodecylresorufin is a fluorescent probe that reacts with the hydroxyl radicals in the cell, which are generated by the enzyme superoxide dismutase. 2-Dodecylresorufin can be used to measure reactive oxygen species (ROS) and ROS-induced cellular damage. It is also used to study oxidative stress in vitro. The chemical structure of 2-dodecylresorufin contains a linker arm that provides a reversible linkage to the cell surface, allowing for extracellular measurements of reactive oxygen species (ROS). This compound has been shown to have high reactivity, making it useful for studying population dynamics and fluorescent techniques.

L-Leucine-PAB-resorufin is a substrate for enzymes such as β-glucuronidase, α-glucosidase, and β-galactosidase. It is used in the diagnosis of bacterial infections and the detection of certain bacteria in urine and stool samples. L-Leucine-PAB-resorufin can be used to detect the presence of bacteria that produce β-galactosidase and/or β-glucuronidase by releasing resorufin from the substrate. This reaction produces a blue color in the presence of a fluorogenic substrate like fluorescein diacetate or fluorescein isothiocyanate. L-Leucine-PAB-resorufin is also used to detect bacteria that produce α-glucosidase by releasing fluorescamine from the substrate. This reaction produces a green color in the presence of a chrom

Fluorescein-dipalmitoylphosphatidylethanolamine triethylammonium salt is a fluorescent phospholipid derivative for phospholipase. This substrate consists of a fluorescein conjugated to DPPE (dipalmitoylphosphatidylethanolamine), a key component of biological membranes. This compound is frequently used in membrane dynamics studies and lipid metabolism research. The fluorescein moiety allows visualization of lipid interactions in model membranes, liposomes, or live-cell imaging applications. The triethylammonium salt form enhances solubility and stability, property that facilitates its use in aqueous and lipid-based environments.

4-Methylumbelliferyl N-acetyl-alpha-D-neuraminic acid ammonium is a fluorogenic substrate for neuraminidase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl N-acetyl-alpha-D-neuraminic acid ammoniumas a substrate for measuring the neuraminidase activity is used for detecting the glycoproteins on the surface of influenza A and B viruses, as well as for sialidosis diagnosis.

4-Methylumbelliferyl N,N-diacetyl-b-D-chitobioside is a fluorogenic substrate for peptide hormones. It is used in vitro to study the polymerase chain reaction (PCR) of human serum and other biological samples. 4-Methylumbelliferyl N,N-diacetyl-b-D-chitobioside is an orally bioavailable prodrug that undergoes hydrolysis by esterases to release 4-methylumbelliferone, which is then converted into the fluorescent product methylumbelliferone by cellular esterases. This product can be detected using a fluorescence sensor with high specificity and sensitivity. The fluorescence signal generated by this product is proportional to the enzyme concentration and can be used as a biomarker for peptide hormone production or neuronal death.

3-Carboxyumbelliferyl b-D-galactoside BSA conjugate is a fluorogenic substrate that is used in chemiluminescent enzyme assays. The reaction of this compound with the enzyme β-galactosidase leads to an increase in the intensity of light emitted by the compound, which can be measured using a luminometer. This product is often used in diagnostics, such as food testing and environmental testing, as well as high quality research.

4-Methylumbelliferyl lignocerate is a fluorogenic substrate for lipase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl lignocerateas a substrate for measuring the lipase activity is used for X-linked adrenoleukodystrophy diagnosis and peroxisomal disorder screening.

Fluorogenic substrate for α-L-Fucosidase yielding a blue fluorescent solution upon cleavage.

Fluorochrome for calibration of fluorimeters.  Used with corresponding fluorogenic substrates for the diagnosis of Krabbe - and Niemann-Pick A/B disease.

4-Methylumbelliferyl β-D-glucuronide (MUG) is commonly used as a substrate for detecting β-glucuronidase. MUG is used for identifying E. coli contamination in food, drinkingwater, clinical samples and for rapid bacterial identification in blood cultures. It is recommended in international normatives (ISO, DIN) as a fluorogenic substrate for detection of E. coli. MUG is also a tool assaying the glucuronidase gene in plants.For fluorogenic detection of  E. coli you can try our patented RUG (ER175455).

4-Methylumbelliferyl-beta-L-fucopyranoside is a fluorogenic substrate that is used in food testing. It also has uses as a chromogenic substrate and a ligand for biological studies. 4-Methylumbelliferyl-beta-L-fucopyranoside is a conjugate of 4-methylumbelliferone and beta-D-fucopyranosyl ester, which is an enzyme substrate for the detection of phosphatases. This product can be used to detect the activity of phosphatase enzymes in various media, including culture media, environmental testing, and staining. 4MUFBPY also has chemiluminescent properties that can be used for bioluminescence assays.

PAIRED PRODUCT AVAILABLE: alpha-L-iduronidase Enzyme, FI179383 4MU-alpha-L-iduronide-2-sulphate is a fluorogenic substrate for iduronate-2-sulphatase (IDS), used in a 2-step assay coupled with alpha-L-iduronidase. The assay is used in biochemical testing for Hunter syndrome (mucopolysaccharidosis II / MPS II). In a first step, iduronidate-2-sulphatase from biological samples cleaves the sulphate group from 4MU-alpha-L-iduronide-2-sulphate. In a second step, exogeneous alpha-L-iduronidase which cleaves the 4-MU moiety is added to the reaction, resulting in release of a fluorescent signal (Ex 360 nm / Em 455 nm). The reaction is stopped by the addition of sodium carbonate.

Sensitive fluorogenic substrate for leucine aminopeptidase or a broad specificity aminopeptidase like aminopeptidase M that releases a bright blue fluorescent dye, 7-amino-4-methylcoumarin upon enzyme activity (excitation 380nm emission 440nm).

This Clips-O substrate 7-(4'-L-Alaninamido)-rac-(3'-octanoyloxy)butyloxy) coumarin allows the detection of three enzymatic activities (L-alanine aminopeptidase, C8-esterase and oxidation of 4-amino-3-hydroxybutyloxy either enzymatically or by exposure to sodium periodate) with one single substrate and give a positive fluorescent signal only in presence of all activities. The main virtues of Clips-O substrates are an increased stability towards non-enzymatic hydrolysis that results in a reduced background and high sensitivity.

Resorufin beta-D-cellobioside is a fluorogenic substrate for the enzyme beta-glucosidase. It is soluble in water and can be used as a chromogenic substrate for beta-galactosidase. Resorufin beta-D-cellobioside is also used as a ligand to study protein interactions, such as those between lectins and glycoproteins. This product is of high purity and quality, with CAS No. 1000404-48-7.

Monofluoresceinated mannitol is a fluorescently labeled form of mannitol. It is used as a tracer for metabolism studies.

Green fluorescent cationic dye

4-Methylumbelliferyl-β-D-glucuronic acid methyl ester is a fluorogenic substrate that can be used as a ligand for enzyme activity detection. The substrate reacts with an oxidizing agent to produce the fluorescent product 4-methylumbelliferone, which can then be detected with a sensitive fluorometer. 4-Methylumbelliferyl-β-D-glucuronic acid methyl ester is an alternative to the more commonly used fluorescein in enzyme assays. This product has been shown to be an effective chemiluminescent substrate for the detection of bacteria and fungi in culture media, as well as for food testing.

Glycyl-glycine 7-amido-4-methylcoumarin hydrochloride is a synthetic peptide substrate used as a fluorogenic substrate for aminopeptidase.

4-Methylumbelliferyl 2-acetamido-3-O-(beta-D-galactopyranosyl)-alpha-D-galactopyranoside is a fluorogenic substrate for alpha-N-acetylgalactosaminidase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl 2-acetamido-3-O-(beta-D-galactopyranosyl)-alpha-D-galactopyranosideas a substrate for measuring the alpha-N-acetylgalactosaminidase activity is used for Fabry disease diagnosis and Schindler disease screening.

A substrate used for the diagnosis of Sanfilippo disease C (MPS III C).

A fluorogenic MOSCERDAM® substrate targeting cellulase

4-Methylumbelliferyl alpha-D-mannopyranoside 6-sulfate sodium salt is a fluorogenic substrate for sulfatase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl alpha-D-mannopyranoside 6-sulfate sodium saltas a substrate for measuring the sulfatase activity is used for Mucopolysaccharidosis (MPS) screening and other lysosomal storage disorder diagnosis.

L-Leucine 7-amido-4-methylcoumarin hydrochloride salt is a synthetic peptide substrate used as a fluorogenic substrate for leucine aminopeptidase.

L-Pro-PAB-Resorufin is a highly sensitive chromogenic and fluorogenic indicator for L-proline aminopeptidase activity and related enzymes occurring in prokaryotic as well as eukaryotic organisms. After removal of the L-proline amide substructure by enzymatic hydrolysis and spontaneous elimination of the para-amino-benzyl (PAB) spacer, the initially orange colored compound yields an intense pink color. In addition, the released chromophor is an excellent fluorophor showing red fluorescence at an emission wavelength of 580 to 600 nm when excited at 560 to 570 nm.

Acetyl coenzyme A trilithium salt trihydrate (ATC) is a glutathione-dependent enzyme that catalyzes the acetylation of compounds with a thiol group. Acetyl coenzyme A trilithium salt trihydrate has been shown to acetylate recombinant human and hek293 cells as well as xenobiotic compounds such as acetaminophen, chlorzoxazone, and phenacetin. The rate of acetylation depends on the concentration of glutathione and the availability of the substrate. There is no evidence that ATC conjugates or transfers acetyllysine to other proteins. It is excreted in the urine after being expressed by recombinant human and hek293 cells.END>

Resorufin-7-O-phosphate is a fluorogenic substrate for alkaline phosphatase that exhibits a red color after cleavage that can be measured at ~ 585nm.

4-Methylumbelliferyl 2-acetamido-2-deoxy-beta-D-galactopyranoside-4-sulfate sodium salt is a fluorogenic substrate for N-acetylgalactosamine-4-sulfatase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl 2-acetamido-2-deoxy-beta-D-galactopyranoside-4-sulfate sodium saltas a substrate for measuring the N-acetylgalactosamine-4-sulfatase activity is used for diagnosis of Mucopolysaccharidosis VI (MPS VI) (a rare lysosomal storage disorder) and Maroteaux-Lamy syndrome screening.

Fluorogenic substrate for esterase with C8 activity yielding a blue fluorescent solution upon cleavage. Used for the identification of Salmonella spp. based on the detection of caprylate esterase.

Green I is a nucleic acid dye that has been shown to have antioxidative properties. It inhibits protein synthesis in mammalian cells by binding to the DNA and blocking transcription. Green I has also been shown to inhibit the growth of tumor cells and to cause cell death by oxidative damage. Green I is not genotoxic, but it can cause false positive results in genotoxicity tests. Green I has also been shown to be a potential biomarker for renal cell cancer, as well as a prognostic marker for this cancer. This dye enhances polymerase chain reaction (PCR) and is used in biological research because of its ability to bind with proteins and form complexes with DNA.

4-Methylumbelliferyl 2,3,4-tri-O-benzoyl-b-D-galactopyranoside-6-sulfate is a fluorogenic substrate for β-galactosidase and a chromogenic substrate for β-glucuronidase. It is used in food testing, environmental testing, and diagnostics.

4-Methylumbelliferyl-beta-D-fucopyranoside is a fluorogenic substrate for beta-fucosidase. After enzymatic cleaveage, free 4-methylumbelliferone (also known as hymecromone) is released, exhibiting blue fluorescence upon excitation with UV light. The strongest fluorescence of 4-methylumbelliferone requires deprotonation of the hydroxyl group (thus requires alkaline pH), with a maximal fluorescence intensity obtained with excitation at 350 to 370 nm and emission at 440 to 470 nm. The use of 4-methylumbelliferyl-beta-D-fucopyranosideas a substrate for measuring the beta-fucosidase activity is used for the diagnosis of fucosidosis and the study of glycoprotein metabolism disorder.

3-Carboxyumbelliferyl b-D-glucuronide serves as a highly sensitive fluorogenic substrate for detecting b-glucuronidase activity. Upon enzymatic cleavage, it generates a fluorescent product enabling easy and accurate monitoring of enzyme activity in various applications, such as diagnostics, drug discovery, and research.

4-Methylumbelliferyl sulfate potassium salt serves as a superior fluorogenic substrate in enzyme detection assays. Upon enzymatic hydrolysis, it releases a highly fluorescent 4-methylumbelliferone moiety, enabling real-time analysis and quantification of enzyme activities. This product is ideal for a variety of biological assay applications, including in vitro diagnostics, drug discovery, and research purposes. Its excellent sensitivity, specificity, and performance ensure accurate and consistent results every time.

A fluorogenic substrate for detection of enzymatic activity of the SARS-CoV-2 Mpro protease. The fluorophore 7-Amino-4-methylcoumarin (AMC) is linked to the tetrapeptide via a peptide bond at the C-terminal of the glutamine residue. Following the hydrolytic activity of the Mpro protease, the fluorogenic AMC group get released from the substrate, generating a fluorescent signal (Ex 380 nm / Em 455 nm).

Fluorogenic cellulose analogue

4-Methylumbelliferyl phosphate, bis(2-amino-2-methyl-1,3-propanediol) salt is a fluorescent substrate that is used in molecular phylogeny analyses. It consists of an algal sequence data set that was amplified and sequenced, annealing to the DNA with a sequence specific for each taxonomic group. These sequences were analyzed and monitored to generate phylogenetic trees. 4-Methylumbelliferyl phosphate, bis(2-amino-2-methyl-1,3-propanediol) salt has been used to analyze dinoflagellates and their frequency in the environment.

4-Methylumbelliferyl 3,4,6-tri-O-acetyl-2-O-(2,3,4-tri-O-benzoyl-a-L-fucopyranosyl)-b-D-galactopyranoside is a fluorogenic substrate that is used for the detection of β D -galactosidase. β D -Galactosidase is an enzyme that breaks down lactose in milk and is used as a diagnostic tool for identifying lactose intolerance. This substrate can be used as a conjugate in immunoassays to detect antibodies against the enzyme or it can be used to measure the activity of the enzyme in food samples. It also can be used to measure α1,3 galactosyltransferase activity in colorectal cancer cells or bacteria.

Fluorogenic substrate to assay the activity of neuraminidase. 4-Methylumbelliferone is released from 4-MUNANA by neuraminidase and can be detected fluorometrically with excitation at 365-380 nm and emission at 445-454 nm. Also applicable for fluorescent staining of sialidases in PAGE.

3-(7-Hydroxycoumarin-3-carboxamido)propyl 4-O-(b-D-galactopyranosyl)-b-D-glucopyranoside is a fluorogenic substrate that is used for the detection of beta-galactosidase. It has been shown to be an efficient substrate for the enzyme beta galactosidase and can be used to detect this enzyme in cell culture media and other diagnostic applications. 3-(7-Hydroxycoumarin-3-carboxamido)propyl 4-O-(b-D-galactopyranosyl)-b-D-glucopyranoside can also be used as a chromogenic substrate, which is added to a reaction mixture containing beta galactosidase, where it is hydrolyzed by the enzyme to produce a blue color. This product also has food testing and environmental testing applications.

Fluorogenic substrate for beta-galactosidase

A fluorogenic substrate for the assay of palmitoyl-protein thioesterase used in the diagnosis of infantile neuronal ceroid lipofuscinosis.

4-Methylumbelliferyl-a-D-mannopyranoside-6-phosphoethanolamine is a synthetic fluorogenic substrate that can be used in the detection of phosphatases. This substrate is a chromogenic and fluorogenic substrate that reacts when it is cleaved by enzymes. It has been shown to work with a number of different enzyme types, including esterases, phosphatases, and proteases. 4-Methylumbelliferyl-a-D-mannopyranoside-6-phosphoethanolamine has demonstrated high quality for use in bioluminescence, food testing, and environmental testing.4Methylumbelliferyl - a - D - mannopyranoside - 6 - phosphoethanolamine has been assigned CAS No. 81771-07-2.

5-Octanoylaminofluoroscein di-b-D-glactopyranoside is a chemiluminescent substrate that can be used for the detection of peroxidase activity. It is a bifunctional substrate, which means it has two reactive groups: one at the 5 position and one at the 8 position. The 5-octanoylaminofluorescein reacts with hydrogen peroxide in a 1:1 ratio, emitting light at 490 nm. The 8-position amine reacts with 2,2'-azino-bis(3-ethylbenzthiazoline)6 sulphonic acid (ABTS) to produce an orange color product that acts as a chromogen. The substrate can be used in diagnostics, food testing, and enzyme substrates.

A substrate used for the diagnosis of Sanfilippo disease type D (MPS IIID).

4-Trifluoromethylumbelliferyl β-D-galactopyranoside is a fluorogenic substrate for beta-galactosidase . Upon hydrolysis, the fluorogenic moiety (blueish) 4-trifluoromethylumbelliferone (also known as TFMU) is released. 4-Trifluoromethylumbelliferyl β-D-galactopyranoside is commonly used in bacterial detection and in LacZ gene expression assays.

Sensitive fluorogenic substrate for fluorometric and UV-spectrophotometric assays of phosphatases.