Sustratos cromogénicos

<p>4-Chloro-3-indoxyl-1,3-diacetate is a chromogenic substrate used in the identification of bile acids. It reacts with 4-chlorophenol to form a red dye. This compound is also used as a ligand for metal ions.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-[2-O-(2,3,4-tri-O-benzoyl-a-L-fucopyranosyl)-3,4,6-tri-O-acetyl-2 deoxy -D-galactopyranosyl]-b D glucopyranoside is a fluorescent substrate for the enzyme β galactosidase. It can be used to test for β galactosidase activity in food products, environmental samples and diagnostics. 4NPFAPG is a conjugate of 4 nitrophenol and 2 acetamido 3 O-[2 O-(2,3,4 tri O benzoyl a L fucopyranosyl) 3,4 6 tri O acetyl 2 deoxy D galactopyranosyl] b D glucopyranose. 4NPFAPG is water soluble and has</p>

<p>4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside is a chemiluminescent substrate that is used as a fluorescence indicator for the detection of β-galactosidase activities. This substrate has been shown to be useful for the detection of β-galactosidase in various types of samples such as culture media, environmental testing and food testing. 4NPTAG can also be used to detect β-galactosidase activity using fluorogenic substrates or chromogenic substrates. The enzyme activity can be detected by measuring the change in absorbance at 410 nm and the increase in luminescence at 460 nm.</p>

<p>4-Nitrophenyl b-D-cellohexaoside is a substrate for many enzymes and can be used to detect the presence of these enzymes in biological samples. It can also be used to detect the presence of bacteria, fungi, parasites, and viruses. 4-Nitrophenyl b-D-cellohexaoside is an excellent substrate for enzyme reactions that produce a chromogenic or fluorogenic product. This product is often conjugated with other compounds such as antibodies or antigens to form an immunoassay. 4-Nitrophenyl b-D-cellohexaoside is made from a high purity chemical by a process called nitration with sodium nitrate and sulfuric acid.</p>

<p>2,4-Dinitrophenyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate for use in diagnostic testing. It reacts with the enzyme β -galactosidase to produce a blue color. This product is used as an indicator of β -galactosidase activity in bacterial cultures or as an indicator of the presence of this enzyme in food or other materials. It can be used to detect and measure the level of β -galactosidase in a sample. The reaction can be monitored by measuring light emission at 450 nm.<br>2,4-Dinitrophenyl 2 acetamido 2 deoxy b D glucopyranoside has a CAS number of 47868-87-0 and is available in high purity (&gt;97%).</p>

<p>Chromogenic substrate for beta-D-galactosidase yielding a brown precipitate upon cleavage.</p>

<p>4-Nitrophenyl b-D-galactopyranosiduronic acid is a chemiluminescent substrate for the detection of β-galactosidase. It is used for the determination of α-galactosidase activity in urine, feces, and blood. This product can be used as a chromogenic substrate for the detection of β-galactosidase in tissue culture medium. 4-Nitrophenyl b-D-galactopyranosiduronic acid is also a fluorogenic substrate which can be conjugated to an enzyme such as horseradish peroxidase or alkaline phosphatase.</p>

<p>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.</p>

<p>2-Nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-a-D-glucopyranoside is a chromogenic substrate commonly used in enzyme assays for the detection and quantification of enzyme activity. It is a colorless substrate that is enzymatically converted into a yellowish product, the intensity of which is directly proportional to the enzyme activity present in the sample.</p>

<p>4-Nitrophenyl 2-acetamido-6-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranosyl)-3-O-(2,3,4,6-tetra -O acetyl -b D galactopyranosyl)-2 deoxy a D galactopyranoside is a high purity fluorogenic substrate for the enzyme β galactosidase. It can be used for the detection of β galactosidase in biological samples. 4NPAG can also be used as a ligand for various types of chromogenic substrates. This product is also commonly used in diagnostics and conjugates to detect β galactosidase activity or as a culture media supplement.</p>

<p>S-(4-Nitrophenyl)mercapturic acid (S-NPMA) is the major metabolite of 4-nitrophenol, which is a precursor to dyes and pharmaceuticals. S-NPMA has been detected in urine samples from humans, rats, and mice. The main metabolic pathway for S-NPMA is an oxidative conversion by cytochrome P450 enzymes. S-NPMA has been found to be a useful biomarker for the presence of polycyclic aromatic hydrocarbons in wastewater and human urine. The levels of this compound have also been shown to increase with age in humans.</p>

<p>4-Nitrophenyl 6-O-(a-D-glucopyranosyl)-a-D-glucopyranoside is an advanced chromogenic pNP enzyme substrate that delivers unparalleled performance in enzymatic assays. This high-quality substrate is specifically designed for studying glycosidases and other enzymes involved in carbohydrate metabolism. Our 4-Nitrophenyl 6-O-(a-D-glucopyranosyl)-a-D-glucopyranoside is synthesized with the highest quality materials to provide incredible accuracy and reliability in your research applications.</p>

<p>N-Acetyl-L-serine p-nitroanilide is a fluorescent probe used for the detection of glucose in urine. It has a high purity and is suitable for use as a substrate for many enzymes, including alkaline phosphatase, β-galactosidase, and peroxidase. N-Acetyl-L-serine p-nitroanilide has been shown to be an excellent indicator of bacterial growth in culture media.</p>

<p>2-Nitrophenyl 6-O-trityl-b-D-galactopyranoside is a chromogenic enzyme substrate used in assays to detect galactosidase activity. It is a derivative of galactose that can be hydrolyzed by galactosidase to release the yellow-colored 2-nitrophenyl group, which can be detected spectrophotometrically. The trityl group helps to stabilize the molecule and prevent undesired hydrolysis during storage. This substrate is commonly used in the study of carbohydrate metabolism and in the detection of galactosidase activity in microorganisms.</p>

<p>Aldol® 515 palmitate is a high quality, non-toxic and water soluble chromogenic substrate for enzymes. It is used to detect the presence of lipase activity due to yielding a red color.</p>

<p>4-Nitrophenyl 2-O-(α-L-fucopyranosyl)-β-D-galactopyranoside is a chromogenic enzymatic substrate for the detection and quantification of glycosidases, such as fucosidases and galactosidases. Upon enzymatic cleavage, the substrate releases the p-nitrophenol chromophore, which can be quantified via colorimetric analysis. This pNP-conjugated compound enables the rapid, sensitive, and high-throughput detection of enzyme activity in various applications, including enzymatic assays, inhibitor screening, and mechanistic studies. Its precise specificity for α-L-fucopyranosyl and β-D-galactopyranoside moieties makes it an excellent tool for advancing research in glycobiology and related fields.</p>

<p>4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2-3)-b-D-galactopyranosyl-(1-4)-b-D-glucopyranoside is a fluorescent substrate that can be used for the detection of β-galactosidase. It fluoresces when cleaved by β-galactosidase, which is an enzyme that catalyzes the hydrolysis of terminal galactose residues in the glycosidic linkage of β-galactosides. This product is an excellent substrate for use in chemiluminescence and bioluminescence assays. 4NPBG has been used to detect β-galactosidase activity in diverse environments, such as food testing, staining, fluorogenic substrate, environmental testing, chromogenic substrate, and conjugate. It is also used in diagnostics, ligand binding assays,</p>

<p>N-Acetyl-2-nitrophenyl 6-O-DMT-b-D-galactopyranoside is a fluorogenic substrate that is used in enzyme and chromogenic assays, including the determination of aminoglycoside activity. This product has been shown to be suitable for detection of bacterial contamination in food products and environmental samples. N-Acetyl-2-nitrophenyl 6-O-DMT-b-D-galactopyranoside reacts with aminoglycosides at the O4 position, forming a fluorescent product that can be measured using a fluorometer.</p>

<p>N-a-Boc-N-epsilon-cbz-L-lysine 4-nitroanilide is a compound that has been shown to regulate the production of angiotensin. It also acts as an inhibitor for the production of fibronectin, which is key in the regulation of inflammation and wound healing. N-a-Boc-N-epsilon-cbz-L-lysine 4 nitroanilide has been shown to be a trifunctional molecule and can yield three different products: oxychlorides, hydrated and solvates. This molecule also regulates phosphorus levels. There are many functions that this molecule performs, including binding with amino acids and regulating their function, which is why it is so important to study this molecule more closely.</p>

<p>2-O-(2-Nitrophenyl)-a-D-N-acetylneuraminic acid is a chromogenic substrate specifically designed for the detection and quantification of sialidase (neuraminidase) enzyme activity. Neuraminidases are enzymes that cleave sialic acid residues from glycoconjugates, and are produced by many microorganisms, including influenza viruses. Upon cleavage by sialidase, this substrate releases a yellow-colored 2-nitrophenol product, which can be easily monitored spectrophotometrically. This substrate is widely used in various applications, including enzyme kinetics studies, inhibitor screening, and the detection of bacterial and viral neuraminidases in clinical and environmental samples.</p>