Autres

<p>Please enquire for more information about 5-Nitro-3-indoxyl-β-D-galactopyranoside including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>6-Chloro-3-indoxyl choline phosphate is a chromogenic substrate for phosphatidylcholine-specific phospholipase C (PC-PLC) for the detection of mibrobial metabolites. The use of this specific substrate permits monitoring the activity of PC-PLC. This an important enzyme for the regulation of steady-state levels of phosphatidylcholine (PC) and diacylglycerol (DAG). Abnormally high levels of PC-PLC activity in various tissues have been linked to many disease progressions.</p>

<p>Chromogenic substrate for β-D-fucosidase yielding a blue precipitate.</p>

<p>X-Gal is a chromogenic substrate for β-galactosidase, yielding a blue precipitate. X-Gal is an indicator for coliforms in culture media, as well as for the detection of coliforms (E. coli) in municipal water supplies and food products. X-Gal can be used in conjunction with the inducer IPTG, which binds and inhibits the lac repressor thus inducing β-galactosidase expression. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.<br>Upon hydrolysis, X-Gal yields a localized, insoluble, blue precipitate, making it exceptionally useful in blotting, immunocytochemical, and ELISA assays. 5-Bromo-4-chloro-3-indoxyl-beta-D-galactopyranoside (X-beta-D-galactoside, X-Gal) 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 a blue-green colored precipitate.<br>X-Gal can also be used as a detecting agent for beta-galactosidase activity in reporter gene assays or for identification of positive transformants on agar plates when using the &amp;alpha;-complementation approach. Color formation is due to dimerization and oxidation of 5-bromo-4-chloro-3-hydroxyindole which results from enzymatic cleavage of X-Gal. The reaction proceeds only in the presence of oxygen, i.e. in aerobic cultures. Well detectable color bacterial colonies or liquid cultures is obtained within 16-48 h. In the presence of purified beta-galactosidase, color develops within minutes to a few hours.</p>

<p>5-Bromo-4-chloro-3-indoxyl thymidine (BCIT) is a chromogenic substrate that reacts with the enzyme β-galactosidase, which cleaves the BCIT to form a bromochloroindoxyl (BCI) and an indoxyl phosphate. The BCI is then detected by chemiluminescence or fluorescence. This product is used in food testing, diagnostics, environmental testing, and staining. It has been shown to be a good substrate for β-galactosidase from different sources such as calf thymus, bacteria, fungi, and plants.</p>

<p>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.</p>

<p>2-Nitrophenyl b-D-arabinopyranoside is a chemical compound that is used in the detection of ATP by chemiluminescence. It acts as a substrate for enzymes such as luciferase and catalase, which catalyze the oxidation of 2-nitrophenyl b-D-arabinopyranoside to phenol and carbon dioxide with the release of light. This reaction can be used in diagnostic applications such as detecting bacteria in culture media or diagnosing food spoilage. 2-Nitrophenyl b-D-arabinopyranoside can also be used as a conjugate to detect proteins or nucleic acids by fluorescence spectroscopy. The CAS number for this compound is 107772-06-1.</p>

<p>Chromogenic substrate yielding a soluble chromophore for the colorimetric assay of α-D-galactosidase upon cleavage. Used for the detection of hydrolases in tissues and membranes.</p>

<p>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.</p>

<p>Aldol® 495 phosphate is a chromogenic and fluorogenic enzyme substrate used for detection of phosphatase activity. The colorless enzyme substrate is cleaved by acid and alkaline phosphatases secreted by bacteria in liquid or solid media, yielding orange color and green fluorescence. Aldol® 495 phosphate can also be used in Western blots and other immunoassay applications with phosphatase-coupled secondary antibodies. Aldol® 495 phosphate can be used under aerobic and anaerobic conditions.</p>

<p>4-Nitrophenyl sulfate potassium salt is a chromogenic substrate for arylsulfatase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl sulfate potassium salt is used in different applications such as the Metachromatic leukodystrophy diagnosis, sulfatase activity assays</p>

<p>Chromogenic substrate yielding a soluble yellow chromophor for the colorimetric assay of α-L-fucosidase, especially in human serum.</p>

<p>5-Bromo-4-chloro-3-indoxyl phosphate, dilithium salt hydrate is a chromogenic substrate used to detect the specific enzymatic activity of alkaline phosphatase. After cleavage, 5-bromo-4-chloro-indoxyl is released, resulting in a blue to blue-green color change in bacterial colonies or media. 5-Bromo-4-chloro-3-indoxyl phosphate, dilithium salt hydrate is used in ELISA and molecular biology assays such as lacZ reporter systems.</p>

<p>Please enquire for more information about 3-Indoxyl choline phosphate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-Indoxyl phosphate, p-toluidine salt is a fluorogenic substrate that can be used for the detection of β-galactosidase. 3-Indoxyl phosphate, p-toluidine salt is a highly active chromogenic substrate that can be used as a diagnostic tool in the food industry to determine whether or not milk has been adulterated with animal milk. This product is also used in environmental testing to detect bacteria and fungi. 3-Indoxyl phosphate, p-toluidine salt is a high purity, high quality conjugate that can be used for the detection of β-galactosidase.</p>

<p>6-Chloro-1H-indol-3-yl octanoate is a fluorogenic substrate that can be used to detect enzymes such as phosphatases, lipases, esterases, and proteases. 6-Chloro-1H-indol-3-yl octanoate is a ligand for metal ions such as Cu(II), Ni(II) and Zn(II). This product has high purity and quality. It is an enzyme substrate for many enzymes such as phosphatases, lipases, esterases, and proteases. This product can be used in diagnostics of various substances including food testing, environmental testing and staining. 6CIO is a chromogenic substrate that can be used to detect bioluminescence reactions.<br>6CIO is CAS No. 159954-35-5.</p>

<p>6-Bromo-2-naphthyl 2-acetamido-2-deoxy-beta-D-glucopyranoside is a chromogenic substrate used for the detection of chitinase activity. Upon hydrolysis by chitinase, it releases a yellow-brown color, which is easily detected by spectrophotometry. This substrate has been used to study chitinases in various organisms, including bacteria, fungi, and insects. It can also be used to quantitate chitinase activity in various biological samples.</p>

<p>5-Bromo-6-chloro-3-indoxyl sulfate, potassium salt is a fluorogenic substrate for the enzyme alkaline phosphatase. This compound is used in the detection of alkaline phosphatase activity as well as in many other applications such as diagnostic tests and environmental testing. 5-Bromo-6-chloro-3-indoxyl sulfate, potassium salt is available at high purity and quality.</p>

<p>Substrate for visualizing alkaline phosphatase activity. Produces a magenta colored insoluble end product that is detected visually, when used together with Nitroblue tetrazolium. The substrate system is versatile and functions in a variety of applications, including Northern, Southern, and Western blotting, in situ hybridization, ELISAs and immunohistochemistry. DMF soluble.</p>

<p>N-Acetyl-5-bromo-3-indoxyl-2,3,4-tri-O-acetyl-beta-D-glucuronic acid methyl ester is a chromogenic substrate that can be used for the detection of bile acids and bilirubin in food testing. It is a conjugate of an acetylated 2,3,4 triacetyl glucuronic acid methyl ester with 5 bromo 3 indoxyl. This product has high purity and high quality.</p>

<p>Chromogenic substrate used to measure phospholipase C (PLC) activity</p>

<p>Aldol® 515 palmitate is a chromogenic substrate that is used in food testing, diagnostics, and other applications. It has a high purity and is conjugated to various ligands for specific applications. Aldol® 515 palmitate is an excellent chemiluminescent substrate for the detection of ATP and other nucleotides. It also has high bioluminescence activity for the detection of adenosine-5'-triphosphate (ATP) or luciferin as well as enzyme substrates to measure β-galactosidase or β-glucuronidase activity.</p>

<p>Aldol® 484 alpha-D-glucopyranoside is a chromogenic and fluorogenic enzyme substrate for ?-glucosidase activity (EC 3.2.1.20, ?-1,4-glucosidase, also known as maltase). The colorless enzyme substrate is cleaved by bacteria producing this enzyme in liquid or solid media, yielding orange color. Green fluorescence is also generated if a suitable matrix is present such as: cellulose acetate filters, polypropylene tubes or microplates and polyethylene vials. Aldol® 484 alpha-D-glucopyranoside can be used under aerobic and anaerobic conditions.</p>

<p>4-Nitrophenyl 2-acetamido-2-deoxy-beta-D-glucopyranoside-6-sulfate potassium is a chromogenic substrate for N-acetylglucosamine-6-sulfatase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl 2-acetamido-2-deoxy-beta-D-glucopyranoside-6-sulfate potassium is used in different applications such as the Mucopolysaccharidosis IIID (Sanfilippo D) screening</p>

<p>6-Chloro-3-indolyl butyrate is a chromogenic substrate for lipases. Use in lipid digestion and metabolism studies, it produces a salmon-pink color when 6-chloro-3-indolyl is released after enzymatic cleavage.</p>

<p>2-O-(4-Nitrophenyl)-alpha-D-N-acetylneuraminic acid sodium salt is a chromogenic substrate used to detect the enzymatic activity of neuraminidase or sialidase. After cleavage, the nitrophenyl moiety is released exhibiting a light yellowish color. 2-O-(4-Nitrophenyl)-alpha-D-N-acetylneuraminic acid sodium salt is used in bacterial neuraminidase activity assays.</p>

<p>2-chloro-4-nitrophenyl-beta-D-cellotetraoside is a chromogenic substrate for measuring cellulase activity and other glycosyl hydrolases. The release of 2-chloro-4-nitrophenol can be detected at 405 nm.</p>

<p>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.</p>

<p>Chitin azure is a chromogenic substrate for chitinases. It is one of the few specific substrates for this enzyme that produces chito-oligosaccharides from chitin.</p>

<p>Substrate for horseradish peroxidase</p>

<p>Substrate for horseradish peroxidase (HRP). HRP catalyzes oxidation of 4-chloro-1-naphthol in the presence of peroxide to the blue insoluble product 4-chloro-1-naphthon. It is used for both blotting and immunohistochemical staining but is less sensitive than other precipitating HRP substrates.</p>

<p>Naphthol AS-BI N-acetyl-beta-D-glucosaminide is a fluorogenic substrate for the pararosaniline-glyoxalase (PG) reaction. This substrate is used to study enzymatic activity in two human isoenzymes of PG, PG I and PG II. The conversion of this substrate by PG I or PG II results in a color change from yellow to red. Naphthol AS-BI N-acetyl-beta-D-glucosaminide may be used as an experimental tool to measure the activity of these enzymes and to study the effect of inhibitors on their activity. It can also be used as a marker for studying enzyme transfer between cells.</p>

<p>1-Naphthyl b-D-glucuronide sodium salt is a chromogenic substrate commonly used to assay the activity of beta-glucuronidase enzymes. It is hydrolyzed by beta-glucuronidase to yield a yellow-colored product, 1-naphthol, which can be quantified spectrophotometrically. This substrate is widely used in diagnostic tests for detection of beta-glucuronidase activity, particularly in clinical microbiology for the identification of E. coli and other enteric bacteria. With its sodium salt form, it boasts increased solubility in aqueous solutions, ensuring seamless integration into various experimental settings.</p>

<p>Chromogenic substrate for β-D-galactosidase, yielding a blue precipitate upon cleavage.</p>

<p>2-O-(4-Nitrophenyl)-a-D-N-glycolylneuraminic acid is commonly used to measure the activity of sialidase enzymes, specifically those that cleave glycoconjugates containing 2-O-(4-nitrophenyl)-alpha-D-N-glycolylneuraminic acid. The resulting product can be detected by measuring the absorbance at a specific wavelength using a spectrophotometer. This substrate offers a high degree of specificity for glycolylneuraminic acid-containing substrates and is useful for both research and diagnostic purposes.</p>

<p>Histochemical substrate for alkaline phosphatase</p>

<p>5-Nitro-3-indolyl-b-D-galactopyranoside is a substrate for a number of enzymes, including beta-galactosidase, beta-glucuronidase, and beta-mannosidase. It is used as an enzyme substrate in diagnostics to measure the activity of these enzymes. 5N3IG was also used to study the effects of conjugation on enzyme activity. 5N3IG is available in high purity and high quality at CAS No.</p>

<p>Aldol® 455 alpha-D-glucopyranoside is a synthetic fluorescent sugar that has been used in the diagnosis of bacterial infections. It has been used as a substrate for the enzyme beta-galactosidase and as a conjugate with anti-bacterial antibodies, which can be used to detect bacteria in urine and blood samples. Aldol® 455 alpha-D-glucopyranoside is also commonly used in the detection of bacteria in food and environmental samples. The product has a high purity level and quality.</p>

<p>6-Chloro-3-indolyl phosphate disodium salt is a chromogenic substrate that is used in food testing, diagnostics, and environmental testing. It can be used to detect the presence of the enzyme phosphatase by adding it to a sample containing glucose, which will produce an orange color. The ligand 6-chloro-3-indolyl phosphate disodium salt can also be used as a bioluminescence probe for detecting ATP or ADP using luciferase. This product has high purity and quality, and is available at a competitive price.</p>

<p>2,4-Dicyano-3-(3,4-dihydroxy-5-nitrophenyl)-N1,N1,N5,N5-tetraethylpentanediamide is a white crystalline solid that is used as an analytical reference standard in HPLC. It is used for the determination of purity and impurities in pharmaceuticals and drug products. This compound can be custom synthesized or obtained from natural sources. It can be found in the USP Drug Impurity Standards and the European Pharmacopoeia.</p>

<p>Chromogenic α-maltosidase substrate yielding a yellow solution upon cleavage.</p>

<p>4-Nitrophenyl beta-L-arabinopyranoside is a chromogenic substrate for beta-L-arabinosidase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl beta-L-arabinopyranoside is used in different applications such as the Bacterial arabinan degradation assays, gut microbiome analysis</p>

<p>5-Bromo-4-chloro-3-indolyl N-acetyl-a-D-neuraminic acid ammonium salt is a substrate used to detect and quantify sialidase activity. Sialidases are enzymes that cleave sialic acid residues from glycoconjugates, and their activity is important in various cellular processes. The substrate is commonly used in research aimed at understanding the role of sialidases in diseases such as influenza and cancer.</p>

<p>Please enquire for more information about 5-Bromo-6-chloro-3-indoxyl choline phosphate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Aldol® 495 nonanoate is a chromogenic and fluorogenic enzyme substrate used for detection of lipase activity. The colorless enzyme substrate is cleaved by C9 esterases, yielding development of an orange coloration. In addition, green fluorescence is generated when Aldol® 355 fluorescence enhancer or a suitable matrix is present. Aldol® 495 nonanoate can be used in enzyme assays and live bacterial cultures. Aldol® 495 nonanoate is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.</p>

<p>Chromogenic substrate for beta-galactosidase</p>

<p>5-Bromo-4-chloro-3-indolyl a-L-rhamnoside is a chromogenic substrate used to detect the specific enzymatic activity of alpha-L-rhamnosidase. After cleavage, 5-bromo-4-chloro-indoxyl is released, resulting in a blue to blue-green color change in bacterial colonies or media. 5-Bromo-4-chloro-3-indolyl a-L-rhamnoside is used in bacterial rhamnose metabolism studies (e.g. E. coli).</p>

<p>5-Bromo-6-chloro-3-indoxyl phosphate, disodium salt monohydrate is a substrate used to visualize phosphatase activity via showing magenta colored end product when used with Nitroblue Tetrazolium.</p>

<p>2-Chloro-4-nitrophenyl beta-D-maltotrioside, often abbreviated as CNP-G3, is a chromogenic substrate to detect and mesaure alpha-amylase activity. Evaluation and monitoring of alpha-amylase activity is important to help diagnose certain diseases such as pancreatitis.</p>

<p>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.</p>