Otros

<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>

<p>Intermediate in the synthesis of memantine</p>

<p>1-Naphthyl-alpha-D-mannopyranoside is a chromogenic substrate. It is used in diagnostics and as a reagent for enzymatic analysis of alpha-mannosidase activity in culture media, food testing, and environmental testing.</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>Substrates for endoglucanase and beta-cellobiohydrolase activity in the study of digestive system in Zygentoma as an insect model for high cellulase activity</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 beta-galactoside (pNP-Gal) is a chromogenic substrate commonly used in enzymatic assays to detect and quantify the presence of beta-galactosidase. It is hydrolyzed by the enzyme to release 4-nitrophenol, which produces a yellow color that can be measured spectrophotometrically. Similarly, 4-Nitrophenyl beta-glucoside (pNP-Glc) can be used to assay beta-glucosidase activity. 4-Nitrophenyl beta-globotrioside (pNP-Glo) is a similar compound that has been designed as a substrate for glycosidases that cleave terminal beta-galactosyl-(1-&gt;3)-N-acetylgalactosamine residues. In these assays, the release of 4-nitrophenol can be measured to determine the activity of the enzyme under study. The use of chromogenic substrates like pNP-Glo allows for the rapid and reliable detection of glycosidase activity in a variety of biological samples.</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>Modified naphtol AS substrate used in histochemical and cytochemical staining</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>Modified naphtol AS substrate used in histochemical and cytochemical staining</p>

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

<p>Benzaldehyde</p>

<p>Fulvestrant S enantiomer is the less active S enantiomer of Fulvestrant. Fulvestrant is a potent estrogen receptor antagonist with an IC50 of 9.4 nM.</p>

<p>Fulvestrant R enantiomer is the less active R enantiomer of Fulvestrant. Fulvestrant is a potent estrogen receptor antagonist with an IC50 of 9.4 nM.</p>

<p>The photorelease of 2-deoxy-2-fluoro-L-fucose from 2-nitrobenzyl-2-deoxy-2-fluoro-L-fucopyranoside was performed under a 365 nm LED illumination. It has been shown in plant cells this liberated 2-deoxy-2-fluoro-L-fucose can be converted by the endogenous metabolic machinery into the corresponding nucleotide-sugar, which then efficiently inhibits Golgi-localized fucosyltransferases.</p>

<p>Methyl 4-nitrophenyl hexylphosphonate is a phosphonate inhibitor of the enzyme serine esterase. It has been shown to be more potent than other irreversible inhibitors such as ethyl 4-nitrophenyl hexylphosphonate and methyl 4-nitrophenoxybutyl phosphate. This compound is an immobilized form of the methyl 4-nitrophenyl hexylphosphonate that is immobilized on an inert surface, such as silica gel, via a covalent bonding process. The immobilization of the molecule ensures that it will not leach from the surface and is stable over time. The molecular weight of this substance is 411.5 Daltons and its molecular formula is C8H15NO4P. This substance has a diameter of 0.8 nm and can be found in crystalline form with a melting point of 143 degrees Celsius at atmospheric pressure. Methyl 4-nitrophenyl</p>

<p>2-O-(4-Nitrophenyl)-a-D-N-acetylneuraminic acid, also known as p-nitrophenyl N-acetylneuraminic acid, is a chromogenic substrate specifically designed for the detection and quantification of neuraminidase (sialidase) activity. Upon cleavage by neuraminidase, it releases a yellow-colored product, 4-nitrophenol, which can be easily monitored spectrophotometrically at 405 nm. This substrate is widely used in various applications, including enzyme kinetics studies, inhibitor screening, and the determination of neuraminidase activity in biological samples such as viruses, bacteria, and cell lysates. It is particularly useful for studying the enzymatic properties of neuraminidases from different sources and for the development of novel antiviral and antibacterial agents targeting neuraminidase activity.</p>

<p>Chromogenic substrate targeting alpha-D-galactosidase</p>

<p>4-Nitrophenyl-myo-inositol-1-yl phosphate is a highly specific chromogenic substrate used for the detection, quantification, and characterization of phosphoinositide phosphatases. When cleaved by the target enzyme, it generates a highly absorbing 4-nitrophenyl moiety, producing a yellow color that can be measured spectrophotometrically. This versatile substrate is valuable in examining phosphoinositide phosphatase activity, enzyme kinetics, substrate specificity, and inhibition studies in various cellular processes, including signal transduction, lipid metabolism, and membrane trafficking.</p>