Chromogenic Substrates

4-Nitrophenyl b-D-cellobioside heptacetate is a fluorogenic substrate that is used in food testing and environmental testing. The product is an enzyme substrate that can be used as a conjugate to produce chemiluminescence or bioluminescence. 4-Nitrophenyl b-D-cellobioside heptacetate has CAS number 69948-03-4 and is of high purity and quality. It has been shown to have good fluorescence properties, which makes it ideal for use in fluorescence microscopy applications.

Aldol® 470 L-pyroglutamic acid amide is a chromogenic and fluorogenic enzyme substrate used for detection of pyrrolidonyl peptidase (PYRase) activity. The colorless enzyme substrate is cleaved by PYRase-producing bacteria grown in liquid or solid media, yielding orange color. In addition, green fluorescence is generated when a suitable matrix is present, such as, the surface of cellulose acetate filters, polypropylene tubes or microplates, and polyethylene vials. Aldol® 470 L-pyroglutamic acid amide is suitable for use under aerobic and anaerobic conditions.

<p>2-Bromo-4-nitrophenyl b-D-galactopyranoside is a chemiluminescent substrate that is used for the detection of β-galactosidase activity in the biochemical reaction. It has been shown to be an excellent ligand for metal ions and can be used as a reagent in the determination of metal ions in biological systems. This product is manufactured with high purity and quality, which ensures its suitability for use in culture media, environmental testing, and diagnostics. 2-Bromo-4-nitrophenyl b-D-galactopyranoside has been tested as a fluorogenic substrate for β-galactosidase. It has also been used as a chromogenic substrate for β-galactosidase and an enzyme substrate for β-galactosidase. This product can be conjugated with other molecules such as biotin to enable rapid analysis of proteins or</p>

<p>4-Nitrophenyl 6'-deoxy-6'-(2-pyridylamino)-a-D-penta-(1-4)-glucopyranoside is a fluorescent substrate for the enzyme beta glucosidase. It is a chemiluminescent reagent that can be used to measure beta glucosidase activity. The substrate is an excellent high quality chemical and has been tested for environmental safety, heavy metal content and staining. 4-Nitrophenyl 6'-deoxy-6'-(2-pyridylamino)-a-D-penta-(1-4)-glucopyranoside is a chromogenic substrate that can be used in diagnostic testing, such as bioluminescence or fluorogenic assay. This product can also be used as a culture media additive or food testing agent.</p>

<p>4-Nitrophenyl 4-O-(b-D-mannopyranosyl)-b-D-glucopyranoside is a fluorogenic substrate that can be used for the detection of β-glucosidase activity in biological samples. It is an excellent substrate for the enzyme β-glucosidase, which catalyzes the hydrolysis of ester bonds in glycosides with release of glucose and formation of a phenolic product. The 4-nitrophenol group reacts with oxygen to produce light, making it useful as a chemiluminescent or bioluminescent substrate. The conjugate may also be used to detect β-glucosidase activity in culture media by adding the substrate to the culture medium and measuring its fluorescence.<br>4NP4OBG has been shown to have high purity, with only trace amounts of impurities detected such as benzaldehyde and 2,6-dinitro</p>

<p>4-Nitrophenyl 2,3-di-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-b-D-glucopyranoside is a fluorogenic substrate that is used in biochemistry as an enzyme substrate. It is a colorless solid that has high purity and high quality. This product is a ligand that binds to the enzyme beta glucosidase. The conjugate of this product with beta glucosidase can be used in diagnostics for the detection of glucose levels in culture media or food testing. This product also has chromogenic and chemiluminescent properties that are used in environmental testing and staining. CAS No.: 54323-05-8</p>

<p>4-Nitrophenyl b-lacto-N-neotetraoside is a potent antibiotic that inhibits bacterial growth by binding to the beta subunit of DNA gyrase. This drug has been shown to be effective against methicillin resistant Staphylococcus aureus (MRSA) and Clostridium perfringens, although is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. Gatifloxacin has shown anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis.</p>

<p>Aldol® 470 N-tosyl-L-alanine ester is a fluorogenic substrate that is used in enzyme and chromogenic assays. It is a high purity, high quality, and highly soluble substrate for chemiluminescent reactions. Aldol® 470 N-tosyl-L-alanine ester can be used to detect the presence of bacteria in culture media and as an indicator of bacterial growth. It is also used to test for the presence of different types of enzymes that catalyze the oxidation of alcohols.</p>

The 4-Nitrophenyl 2,3,4-tri-O-acetyl-6-O-(a-D-glucopyranosyl)-a-D-glucopyranoside is a fluorogenic substrate for β-galactosidase. This product has high purity and quality and is an enzyme substrate for β-galactosidase. The 4NPG2,3,4TRA can be used as a diagnostic tool in the diagnosis of bacterial infections. It is also used in the food testing industry and environmental testing industry. This product has CAS No.: 51743-71-1. This product is also a ligand that reacts with the enzyme β-galactosidase to produce light in chemiluminescence reactions. This product can be used for staining or bioluminescence applications.

<p>Aldol® 467 beta-D-galactopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria grown in liquid or solid media, yielding yellow coloration and green fluorescence. Aldol® 467 beta-D-galactopyranoside can also be used in beta-galactosidase gene reporter assays or immunoassay applications (ELISA). Aldol® 467 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.</p>

Aldol 544 beta-D-galactopyranoside is a chromogenic substrate for the detection of beta-galactosidase activity in food testing and diagnostics. Aldol 544 beta-D-galactopyranoside is used as a conjugate to detect the presence of an enzyme, such as beta-galactosidase, in biological samples. It has been used in environmental testing and as a fluorogenic substrate for the detection of β-galactosidase activity.

<p>[2-Methoxy-4-(2-nitrovinyl)phenyl] beta-D-galactopyranoside is a chromogenic substrate (505 nm) for β-glucosidase.</p>

<p>Aldol acetate is a chromogenic substrate that is used in food testing and diagnostics. Aldol acetate can be used in the detection of aminopeptidase and dipeptidyl peptidase activities, as well as in the determination of urinary proteins. Aldol acetate can also be used to detect anaerobic bacteria. This compound is conjugated with various ligands for use in immunoassays, such as beta-galactosidase, beta-glucuronidase, alpha-naphthyl phosphate ester, and phenyl phosphate ester. This product has been shown to be useful for chemiluminescent assays of DNA polymerases and reverse transcriptases in environmental samples. It has also been shown to be useful for bioluminescent assays of DNA polymerases and reverse transcriptases in environmental samples.</p>

Aldol® 484 beta-D-galactopyranoside is a chromogenic enzyme substrate for beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria in liquid or solid media, yielding intense red color. Aldol® 484 beta-D-galacto-pyranoside can also be used in beta-gal reporter gene assays or for identification of beta-gal positive transformants on agar. Aldol® 484 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.

<p>4-Nitrophenyl 4,6-O-benzylidene-b-D-glucopyranoside is a fluorescent compound that is used in diagnostics and research. The compound is an enzyme substrate, a ligand for metal ions, and a chromogenic substrate. It can be used to test cultures of bacteria in culture media, as well as for food testing and environmental testing. 4-Nitrophenyl 4,6-O-benzylidene-b-D-glucopyranoside has high purity and quality due to its high fluorescence intensity. This product has been shown to be highly stable in various conditions and may be used in conjugates with other compounds.</p>

<p>Aldol® 518 beta-D-cellobioside is a chromogenic substrate for the detection of glycosidases. Aldol® 518 beta-D-cellobioside reacts with enzymes such as alpha-amylase, beta-galactosidase, and alpha-glucosidase to produce a fluorescent product. This product is detected by spectrophotometer, fluorometer, or luminometer. The fluorescence intensity is proportional to the concentration of the enzyme in the sample.<br>It has been shown that Aldol® 518 beta-D-cellobioside can be used as a substitute for conventional substrates in food testing and diagnostics, such as staining and culture media. It also has applications in environmental testing and enzyme substrate assays.</p>

3-Indolyl b-D-glucuronide sodium salt is a specialized enzyme substrate that features an indole moiety linked to a glucuronide group. This compound is commonly used in various biochemical assays to study the activity of glucuronidase enzymes, which play a crucial role in the metabolism and detoxification of xenobiotics and endogenous compounds. The sodium salt form of this substrate ensures enhanced solubility and stability in aqueous solutions, making it a valuable tool for researchers investigating the function and regulation of glucuronidase enzymes in biological systems. 3-Indolyl b-D-glucuronide sodium salt is also used for the detection of E. coli.

<p>6-Bromo-2-naphthyl-alpha-D-mannopyranoside is a strong inhibitor of alpha-mannosidase. It has been shown to inhibit the growth of Mycobacterium tuberculosis and Streptococcus pneumoniae, which are both known to cause bacterial infections in humans. 6BNA inhibits the enzyme alpha-mannosidase, which hydrolyzes terminal α-(1,4)-linked mannose residues from oligosaccharides and glycoproteins. This drug has a high affinity for the active site of alpha-mannosidase and an IC50 value of 0.2 mM, making it an effective inhibitor.</p>

Aldol® 458 phosphate is a chromogenic and fluorogenic enzyme substrate used for detection of phosphatase activity. The colorless enzyme substrate is cleaved by phosphatases secreted by bacteria grown in liquid media, yielding yellow color and green fluorescence. Aldol® 458 phosphate can also be used in assays involving phosphatase-coupled antibodies in immunoassay applications (ELISA). Aldol® 458 phosphate can be used under aerobic and anaerobic conditions.

3-Indolyl b-D-cellotetraoside is a chemiluminescent substrate that is used as an indicator in the detection of aminoglycosides. The ligand is a cell wall component that has been shown to bind specifically to the active site of bacterial β-lactamases, which are enzymes that catalyze the hydrolysis of β-lactam antibiotics. 3-Indolyl b-D-cellotetraoside can be used for bacterial identification and enumeration, food testing, and enzyme substrate for diagnostics. It fluoresces in response to electron excitation with a wavelength of about 590 nm.