Sustratos de enzimas

<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 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>Z-Gly-Pro-Arg-pnaacetate is a substrate commonly used in enzyme research, particularly in the study of proteases. Proteases are enzymes responsible for catalyzing the hydrolysis of peptide bonds in proteins. In a study investigating the activation of protein C in blood plasma by a protease from Aspergillus ochraceus, the enzyme activity was qualitatively assessed using chromogenic peptide substrates, such as pGlu-Pro-Arg-pNA.</p>

<p>L-Citrulline-p-nitroanilide hydrobromide is a substrate for enzymes such as beta-galactosidase, beta-glucuronidase, and alkaline phosphatase. It is used in biochemical assays for the detection of microorganisms and in medical diagnostics. This compound has been shown to be useful in fluorescence microscopy and bioluminescence. It also has applications in food testing, environmental testing, and high purity research.</p>

<p>2-Methyl-4-nitrophenyl b-D-galactopyranoside is a chemiluminescent substrate that is used in various applications. It is a ligand that binds to the enzyme beta-galactosidase and is used in diagnostics for detecting the presence of the enzyme. 2-Methyl-4-nitrophenyl b-D-galactopyranoside has been shown to be an appropriate substrate for chemiluminescence reactions, such as those used in diagnostic or research applications. The product also has been tested for potential toxicity and found not to be toxic at concentrations up to 100mg/mL. This product can be used in a variety of applications, including food testing, bacterial culture media, and environmental testing.</p>

<p>Beta-alanine 7-amido-4-methylcoumarin, trifluoroacetate salt is a high purity, ligand, and conjugate. It can be used in the food testing and environmental testing fields. This product has been shown to be a good substrate for enzyme activity and can also function as a fluorescent dye in chemiluminescence assays. Beta-alanine 7-amido-4-methylcoumarin, trifluoroacetate salt is soluble in water and has a CAS number of 201847-54-3.</p>

<p>COX inhibitor; nonsteroidal anti-inflammatory drug</p>

<p>For asymmetric double bond reduction.</p>

<p>Modified naphtol AS substrate used in histochemical and cytochemical staining</p>

<p>Used for synthesis chiral amines from ketones</p>

<p>Remazol Brilliant Blue R D-xylan is a chromogenic substrate used for the detection and quantification of xylanase enzyme activity. This substrate consists of a xylan polymer backbone covalently linked to the Remazol Brilliant Blue R dye. Upon cleavage by xylanase enzymes, the dye is released, producing a vibrant blue color that can be easily measured spectrophotometrically. This substrate is widely used in various applications, including the study of xylanase-producing microorganisms, optimization of enzyme production, and evaluation of enzyme kinetics.</p>

<p>4-Nitrophenyl 2-azido-2-deoxy-beta-D-galactopyranoside is a chromogenic substrate for beta-galactosidase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl 2-azido-2-deoxy-beta-D-galactopyranoside is used in different applications such as the Bacterial enzyme assays (e.g., E. coli detection)</p>

<p>Modified naphtol AS substrate used in histochemical and cytochemical staining</p>

<p>2,4-Dinitrophenyl)-L-lysine hydrochloride monohydrate is a lysine derivative that has been modified with a 2,4-dinitrophenyl group. It could be used as an enzyme substrate to monitor enzymes that recognize and modify lysine residues, such as lysine methyltransferases and demethylases, lysine acylases and lysine oxidases.</p>

<p>4-Nitrophenyl alpha-D-maltotetraoside is a chromogenic substrate used for the detection of alpha-glucosidase and alpha-amylase activity. The four glucose units in the molecule are hydrolyzed by the enzyme, releasing 4-nitrophenol and allowing for easy colorimetric measurement of enzymatic activity</p>

<p>The AquaSpark® 510 Nitroreductase/NADH Probe (CL-NTR) is a water-soluble probe for the selective chemiluminescent detection of nitroreductase (NTR) activity. It is a versatile tool for monitoring a number of biological processes.</p>

<p>Fluorogenic substrate targeting phosphatase</p>

<p>Used in biological studies as a chromogenic substrate for β-galactosidase; red color.Chlorophenol red indicates changes of pH in the range of 4.8 to 6.7 by turning the solution from yellow (at pH 4.8) to violet (at pH 6.7). Converted as signalogenic moiety of an enzyme substrate, chlorophenol red beta-D-galactopyranoside has a good proven sensitivity in the detection of beta-galactosidase activity in transfected mammalian cells, when compared to ONPG (o-nitrophenyl-beta-D-galactopyranoside) (Eustice, 1991)</p>

<p>4-Nitrophenyl 2-acetamido-2-deoxy-4-O-(β-D-galactopyranosyl)-α-D-glucopyranoside is a high-quality chromogenic pNP enzyme substrate specifically designed to enable effective and accurate detection of enzyme activity. By utilizing this advanced substrate, researchers and professionals can perform a range of applications, including activity assays, enzyme inhibition studies, and substrate specificity profiling. This substrate's unique properties result in exceptional sensitivity and throughput, ensuring effective results for a wide variety of enzyme assays.</p>

<p>2-Chloro-4-nitrophenyl 2-acetamido-2-deoxy-β-D-glucopyranoside is a chromogenic substrate used for beta-N-acetylglucosaminidase assays. Upon enzymatic hydrolysis, 2-chloro-4-nitrophenol is released, which has a yellowish color. It is used in diagnostic applications such as lysosomal storage disorder diagnosis (for example, Tay-Sachs disease) and glycosidase inhibition studies.</p>