Sustratos cromogénicos

6-Chloro-3-indoxyl caprylate is a high quality, enzyme substrate, chromogenic substrate, bioluminescence, chemiluminescence ligand, staining and diagnostics reagent. It has CAS No. 159954-35-5 and is used in food testing, culture media and environmental testing. 6-Chloro-3-indoxyl caprylate is also a fluorogenic substrate that is used for high purity applications such as conjugation with other molecules.

Aldol® 484 beta-D-glucopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of ?-glucosidase activity. The colorless enzyme substrate is cleaved by bacteria producing ?-glucosidase in liquid or solid media, yielding intense red color and green fluorescent signal. Aldol® 484 beta-D-glucopyranoside can be used under aerobic and anaerobic conditions.

5-Bromo-4-chloro-3-indolyl a-D-maltotrioside is an enzyme substrate that shows chemiluminescence. It is used in diagnostic assays to detect bacterial and fungal infections, as well as other diseases. The test uses 5-Bromo-4-chloro-3-indolyl a-D-maltotrioside as the substrate for the enzyme horseradish peroxidase. When light is applied, the substrate reacts with hydrogen peroxide in the presence of horseradish peroxidase to form colored products that can be detected by a luminometer.

Aldol® 515 beta-D-xylopyranoside is a chemiluminescent ligand that can be used for the detection of beta-xylosidase activity to yield a red color.

2-Nitrophenyl b-D-fucopyranoside is a chromogenic substrate used in various enzymatic assays to detect the presence of fucosidase enzymes. It consists of a nitrophenyl group attached to a fucose sugar molecule. When acted upon by enzymes such as fucosidases, it releases the colored nitrophenyl group, which can be detected using spectrophotometry.

Growth medium for the detection of histamine-producing bacteria in food and water samples. The medium contains an indicator that turns orange/red (absorbance at 555 nm) due to metabolites released by histidine decarboxylase. The BCM® Histamine-producing bacteria Broth contains tryptone (FT09555) and yeast extract, together with the chromogenic agent. High-level histamine-producing bacteria yield orange to red coloration in less than 2 days and even after 24 hours, while cultures of other bacteria remain yellow.

5-Bromo-4-chloro-3-indolyl myo-inositol-1-phosphate ammonium is a fluorogenic substrate used in the detection of phosphatidylinositol phosphate kinases. It can be used as a chromogenic substrate for detecting phosphatidylinositol phosphate kinase activity in tissues, cells, and biological fluids. 5-Bromo-4-chloro-3-indolyl myo-inositol 1 phosphate ammonium is also used as a ligand to detect phosphatidylinositol phosphate kinase activity in vivo. This product is of very high purity and quality. 5-Bromo 4 chloro 3 indolyl myo inositol 1 phosphate ammonium can be used in Enzyme Assays, Diagnostics and Cultures Media.

Aldol® 584 is a fluorogenic substrate that can be used for enzymatic and chemical assays. It is an important component of the Cymit Quimica Aldol Reagent Kit and other diagnostic kits. Aldol® 584 is used in immunoassays, such as ELISA, to measure the activity of serine proteases, including cathepsin D, elastase, and leukocyte elastase. This product has a CAS number of 2484873-11-0.

2-Nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-galactopyranoside is a chemiluminescent substrate for the detection of beta galactosidase. It is a white to light yellow powder with a molecular weight of 564.87 and an assay of ≥ 98% by HPLC. This product has been shown to be stable when stored at 4°C for up to three months.

8-Hydroxyquinoline b-D-glucopyranoside (8-OHG-glu) is a chromogenic enzyme substrate commonly used to detect the presence of beta-glucosidase in biological samples. When hydrolyzed by beta-glucosidase, 8-OHG-glu produces a yellow-orange color, indicating the presence of the enzyme. This substrate is particularly useful for measuring beta-glucosidase activity in soil and plant samples.

5-Bromo-3-indolyl decanoate (BID) is a chromogenic enzyme substrate often used for the detection of lipase activity. It is hydrolyzed by lipase to produce a blue-violet product, which can be detected visually or by spectrophotometry. BID is particularly useful for the detection of microbial lipases in food and environmental samples. It is commonly used in a wide range of biochemical, biological, and environmental testing applications that require precise lipase enzyme analysis.

Inorganic phosphate targeted colorimetric probe

4-Nitrophenyl-N-acetyl-beta-D-galactosaminide is a synthetic substrate that is used in enzyme kinetics. It is a beta-galactosidase substrate that reacts with the enzyme to form a product. The rate of reaction can be measured by following the change in absorbance over time. This product will react with an acceptor, such as chondroitin sulfate, to produce an observable reaction product. 4NPBGA has been shown to be an effective carbon source for plant physiology studies and has been shown to have optimal activity at pH 6.5.

1-Naphthyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate for bacterial beta D glucosidase. It is used for measuring the enzyme activity in different types of culture media and in the detection of bacterial contamination in food and environmental samples. This product can be used to detect the presence of beta D glucosidase by measuring luminescence with a luminometer. 1NAAG can also be used as a chromogenic substrate or to conjugate with antibodies for use in immunoassays.br>

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.

Substrate for hydrolases

4-Nitrophenyl 2-O-(α-D-glucopyranosyl)-α-D-glucopyranoside is a specialized chromogenic pNP substrate featuring dual glucose-linked moieties, designed for accurate detection and quantification of specific glycosidase enzymes. Upon cleavage by target enzymes, this substrate releases 4-Nitrophenol, which can be easily monitored spectrophotometrically as a yellow color change. This advanced substrate offers enhanced specificity and sensitivity in enzyme assays, facilitating cutting-edge research in biochemistry, enzymology, and other related fields.

Aldol® 518 beta-D-galactopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of beta-galactosidase activity. The colorless enzyme substrate is cleaved by lactose-utilizing bacteria in liquid or solid media, yielding intense red color as well as red fluorescence when a fluorescence enhancer or a suitable matrix is present. Aldol® 518 beta-D-galactopyranoside can also be used in beta-gal reporter gene assays or for identification of beta-gal positive transformants on agar plates. Aldol® 518 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.

4-Nitrophenyl hepta-O-acetyl-1-thio-b-lactoside is an inorganic molecule that binds to the surface of bacteria. It has been used as a fingerprinting tool for a variety of organisms, including corynebacterium glutamicum. The molecule can be used to measure the metabolic activity of corynebacterium glutamicum with a technique called incremental acidification. This technique is based on the observation that the concentration of 4-nitrophenol decreases by one unit for each glucose metabolized by corynebacterium glutamicum. The use of 4NPHTBL and other primers can also be useful in diagnosing patients with autoimmune diseases such as celiac disease and inflammatory bowel disease.

Chromogenic substrate for α-D-glucosidase yielding a yellow solution upon cleavage. Also used for the detection of glucansucrases and for yeast α-D-glucosidase and for studies of the crystal structure of the complexes of concanavalin A.