Outros

<p>Espresso-Gal (Espresso-beta-D-galactopyranoside) is a chromogenic indicator for beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria in liquid media or on agar plates and yields an espresso brown colored precipitate. Espresso-Gal can also be used as detecting agent for beta-galactosidase activity in reporter gene assays or for identification of positive transformants on agar plates when using the α-complementation approach. Read more in the Application Notes.</p>

<p>4-Nitrophenyl 2-acetamido-2-deoxy-3,6-di-O-benzoyl-b-D-galactopyranoside is an advanced pNP-based enzyme substrate designed for the detection and measurement of glycosidase activity in biological samples. This synthetic compound offers high specificity and sensitivity for b-galactosidase enzymes, enabling accurate determination of enzymatic hydrolysis rates in a variety of research applications, including diagnostics, drug development, and discovery of novel enzymes. Its chromogenic properties ensure easy analysis of the results and make it suitable for high-throughput screening.</p>

<p>Substrate for a-N-acetyl-galactosaminidase</p>

<p>2-Nitrophenyl caprylate is a potent inhibitor of gram-negative bacteria. It has been shown to inhibit the enzymatic activity of certain bacterial enzymes, such as the modification of cellular fatty acids. 2-Nitrophenyl caprylate has also been shown to inhibit in vitro growth of various gram-negative bacteria, including E. coli and Salmonella enterica serovar Typhimurium, through detergent compositions and enzymatic reactions (e.g., aminopeptidases). 2-Nitrophenyl caprylate may be useful for the treatment of pancreatitis due to its inhibition of pancreatic secretions and inhibition of pancreatic lipase activity. Transposable sequences have been found in the 2-nitrophenyl caprylate gene cluster, which may be related to its regulatory properties.</p>

<p>2-Chloro-4-nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-glucopyranoside is a chromogenic substrate used to characterize enzymes in biochemical assays. The substrate is cleaved by enzymes, such as esterases and glycosidases, releasing the chromogenic group, which can be detected by its yellow color.</p>

<p>3-Indolyl b-D-cellotrioside is a chemiluminescent substrate that is used for the detection of bacterial activity. 3-Indolyl b-D-cellotrioside reacts with hydrogen peroxide to produce light, which can be detected by luminometers. This product can be used in diagnostic tests to detect the presence of bacteria in food, water, and other samples. It has been shown to have excellent performance characteristics and high purity and quality.</p>

<p>Aldol 457 Beta-D-galactopyranoside is a chromogenic substrate for beta-galactosidase, which is an enzyme that catalyzes the hydrolysis of the terminal galactose residue in D-galactose to form D-galactitol and D-glucose. Aldol 457 Beta-D-galactopyranoside is used as a reagent for the detection of beta-galactosidase activity in biological samples, such as cultured cells or tissues, and has been shown to be a ligand in binding studies with Galectin 1. This product is also used in diagnostic applications such as food testing, culture media, fluorogenic substrates, environmental testing and more.</p>

<p>5-Bromo-4-chloro-3-indoxyl sulfate p-toluidine salt is a staining agent used for the detection of glucose in urine and tissues. It is also an enzyme substrate that can be used to detect the presence of lipases, amylases, esterases, phosphatases, and proteases. This product has a CAS number of 6581-23-3 and comes in high quality.</p>

<p>4-Nitrophenyl b-D-glucuronide sodium salt is a high-quality chromogenic substrate specifically designed for the colorimetric detection and measurement of β-glucuronidase activity. Upon enzymatic cleavage, it releases the yellow 4-nitrophenol, enabling quantitative analysis via spectroscopy. This compound is conveniently provided as a sodium salt to ensure enhanced solubility, stability, and shelf life. It is an ideal choice for biochemical, research, and diagnostic applications requiring a reliable and efficient b-D-glucuronide substrate.</p>

<p>4-Nitrophenyl 4,6-benzylidene-2-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside is a fluorogenic substrate that is used in diagnostic assays to measure the activity of enzymes such as β–galactosidase and β–glucuronidase. It is also an enzyme substrate for culture media and chemiluminescence. This product has a CAS number of 57316-92-8.</p>

<p>4-Chloro-2-nitrophenyl b-D-galactopyranoside is a fluorogenic substrate that is used in diagnostic testing, such as food and environmental testing. 4-Chloro-2-nitrophenyl b-D-galactopyranoside is an enzyme substrate that can be used to measure the activity of beta galactosidase. This substrate is also chromogenic, which means that it will change color when exposed to the enzyme. 4CNPGalA has been shown to be an excellent ligand for beta galactosidase and can be used in conjugation reactions with other molecules.</p>

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

<p>4-Nitrophenyl 6-O-trityl-a-D-glucopyranoside is a high-quality trityl pNP substrate that performs excellently in various enzymatic assays. Containing a trityl-protected sugar moiety, this substrate is perfect for investigating alpha-D-glucopyranoside-specific enzymes and providing precise data for your experiments.</p>

<p>4-Nitrophenyl 2-O-(2,3,4,6-tri-O-acetyl-a-D-mannopyranosyl)-4,6-O-benzylidene-a-D-mannopyranoside is a fluorogenic substrate that is used for the detection of alpha amylase activity in food testing. It is also used as a chromogenic substrate for the detection of beta amylase activity. 4NP2ODM is a conjugate that can be used for the detection of alpha or beta amylases in environmental testing. This compound has high purity and quality and CAS No. 90105037.</p>

<p>4-Nitrophenyl (N-acetyl-a-neuraminosyl)-(2,3)-O-b-D-galactopyranosyl-(1,3)-2-acetamido-2-deoxy-b-D-galactopyranoside is a fluorogenic substrate that is used in the detection of enzyme activity. It reacts with a specific enzyme to produce light. This product has been shown to be useful for detecting β -galactosidase, β -glucuronidase, α -mannosidase, and lactose permeases. The product is also used in the diagnosis of urinary tract infections and other diseases. This product is not intended for use in humans or animals.</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>4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside is a versatile chromogenic substrate designed for the detection and quantification of various glycosidase enzymes. This substrate is widely used in enzyme assays, producing a yellow color upon cleavage by target enzymes. The 4-Nitrophenol released in this reaction can be easily monitored spectrophotometrically, allowing for rapid and accurate enzyme analysis. This high-quality substrate provides a convenient and reliable tool for researchers in biochemistry, enzymology, and related fields.</p>

<p>4-Nitrophenyl 6-O-benzoyl-3,4-O-isopropylidene-a-D-galactopyranoside (4NBP) is a fluorogenic substrate for β-galactosidase. It has been used as an enzyme substrate in the detection of β-galactosidase activity. 4NBP is also used to detect the presence of galactose in culture media and as a chromogenic substrate in diagnostics.</p>

<p>Introducing our 4-Nitrophenyl 2,3,4-tri-O-acetyl-6-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside, an advanced chromogenic pNP enzyme substrate designed for high performance and superior results. This cutting-edge substrate ensures excellent outcomes in various enzymatic assays, including glycosidase and glycosyltransferase, due to its unique composition and significant sensitivity. Offering rapid color development and clear visualization, this substrate is perfect for research or industrial applications.</p>

<p>3-Nitrophenyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a chemiluminescent substrate that is used for the detection of glycosidases. It has been shown to be a good ligand for the study of nucleic acid hybridization, and it can also be used in enzyme assays. 3NPPAG is available in high purity and high quality. This product has been tested for use in culture media, environmental testing, bioluminescence, staining, fluorogenic substrate, CAS No. 61894-63-1, diagnostics, chromogenic substrate, enzyme substrate, food testing and conjugate applications.</p>