Enzyme Substrates

<p>This product is designed for the sensitive color detection andidentification of various bacteria, such as pathogenic strains of Listeria, Clostridium, Bacillus and Staphylococcus. 5-Bromo-4-chloro-3-indoxyl myo-inositol-1-phosphate (X-phos-inositol; X-IP) is a chromogenic indicator for phosphatidyl-inositol specific phospholipase C(PI-PLC, EC 4.6.1.13). The colorless product is cleaved by PI-PLC positive microorganisms in liquid media or on solid culture media and yields a blue-green color precipitate.</p>

<p>Please enquire for more information about 1-Fluoro-2,4,6-trimethylpyridinium triflate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Aldol® 495 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 orange color as well as green fluorescence if a fluorescence enhancer or a suitable matrix are present. Aldol® 495 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® 495 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.</p>

<p>Coelenterazine h is a substrate for luciferases or as a constituent of photoproteins</p>

<p>Chromogenic substrate for beta-D-glucosidase, yielding a blue precipitate and contained in a chromogenic culture media for the detection of Enterococci, Streptococci, Klebsiella species, Enterobacter species and Listeria species. It is an indolyl carbohydrate that is the beta-D-glucoside of 3-hydroxy-1H-indole, in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of the enzyme, beta-glucosidase, which cleaves the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole; this immediately dimerises to give an intensely blue product.</p>

<p>Chromogenic substrate for N-acetyl-β-D-glucosaminidase yielding a blue precipitate. Contained in certain mycological culture media. Used in histochemistry.</p>

<p>5-Bromo-3-indoxyl phosphate, disodium salt is an enzyme substrate that is used for environmental testing, bioluminescence, culture media, chemiluminescence, fluorogenic substrate and food testing. It is also used as a ligand for diagnostic purposes. 5-Bromo-3-indoxyl phosphate, disodium salt has CAS number 16036-59-2 and it is soluble in water. This product has high quality and purity with a conjugate of 5% phenol red. 5-Bromo-3-indoxyl phosphate, disodium salt reacts with the enzyme horseradish peroxidase to produce a red color. This product can be used to detect hydrogen peroxide in the presence of an oxidizing agent such as hydrogen peroxide or potassium permanganate. The reaction produces a blue color when the solution is viewed in daylight or under ultraviolet light.</p>

<p>Chromogenic substrate for alpha-D-glucosidase, yielding a blue precipitate. It is used for the detection of, e.g. Staphylococcusaureus and Bacillus species, and the isolation of Enterobactersakazakii e.g., from baby food.  It is an indolyl carbohydrate that is the beta-D-glucoside of 3-hydroxy-1H-indole, in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. The enzyme, beta-glucosidase, cleaves the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product.</p>

<p>​Aldol® 455 alpha-D-maltopyranoside is a chromogenic substrate developed by Cymit Quimica, designed for the detection of maltosidases.</p>

<p>Aldol® 518 choline phosphate is a fluorogenic substrate that is used in the detection of enzyme activity. It has been shown to be an effective substrate for enzymes such as beta-galactosidase and phosphatases, and can be used in the detection of bacterial growth. Aldol® 518 choline phosphate is also a chromogenic substrate for the detection of alkaline phosphatase. It has been shown to have high purity and bioluminescence properties, making it useful for detecting bacteria in culture media or environmental testing. The conjugate of Aldol® 518 choline phosphate with various ligands can be used to detect specific proteins or antibodies.</p>

<p>5-Bromo-4-chloro-3-indoxyl-alpha-L-arabinofuranoside is a fluorogenic substrate. It is also used as a ligand to detect the presence of an enzyme in a sample. 5BCIAF may be used as an enzyme substrate to measure the activity of enzymes such as beta-galactosidase, alpha-glucuronidase, and esterases. It is also used for diagnostic purposes, with the most common use being for the detection of Mycobacterium tuberculosis in clinical specimens. 5BCIAF can be conjugated to other compounds to form fluorescent probes for detecting specific compounds or cells within a sample. This compound has been shown to have activity against bacteria, fungi, and viruses when tested in culture media and food samples. The chemical structure of 5BCIAF is similar to that of fluorescein, which has been shown to have chemiluminescent properties</p>

<p>Indoxyl substrate targeting the enzyme inositol monophosphatase; Magenta color</p>

<p>Coelenterazine 400a is a light-emitting molecule that is used in bioluminescence assays. It is a subunit of the luciferin family and has been shown to have some effects on blood pressure, growth factor, and protein–protein interactions. Coelenterazine 400a can be used as a test compound for cancer research. This molecule emits light when it interacts with other molecules, such as NADPH and cytochrome P450 reductase. The luminescence signal can be detected with a fluorescence resonance energy transfer (FRET) assay.</p>

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

<p>Chromogenic substrate targeting beta- galactosidase and whose color is dependent on the metal chelating.Alizarin-2-beta-D-galactopyranoside is a chromogenic substrate for enzymes based on alizarin and has been reported for the detection of bacterial beta-galactosidase by researchers at the University of Northumbria and the Freeman Hospital, Newcastle upon Tyne in the UK (James, 2000).</p>

<p>Aldol® 518 myo-inositol phosphate is a chromogenic and fluorogenic enzyme substrate used for detection of phosphatidylinositol specific phospholipase C (PI-PLC, EC 4.6.1.13) activity. The colorless enzyme substrate is cleaved by PI-PLC positive microorganisms grown in liquid or solid media, yielding intense red color. In combination with Aldol® 355 fluorescence enhancer, red fluorescence can also be obtained. Aldol® 518 myo-inositol phosphate thus enables the detection and identification of various bacteria, such as, pathogenic strains of Listeria, Clostridium, Bacillus, and Staphylococcus species. Aldol® 518 myo-inositol phosphate is suitable for use under aerobic and anaerobic conditions.</p>

<p>Aldol® 518 acetate is a fluorogenic substrate for the enzyme aldolase. It is used in diagnostic kits for detecting aldolase in blood and other body fluids, and as an indicator of liver function. Aldol® 518 acetate can be used to detect the presence of aldolase in foods and beverages. The compound has also been shown to be an excellent substrate for bioluminescence and chemiluminescence reactions, which are widely used in research laboratories.</p>

<p>Ramot at Tel-Aviv University Ltd. Patent family WO 2017/130191 is a chemiluminescent ligand that can be used for detecting and quantifying proteins, nucleic acids, proteins, carbohydrates and lipids. Ramot at Tel-Aviv University Ltd. Patent family WO 2017/130191 has been shown to be a high quality and high purity reagent with excellent stability in the presence of heat, light or pH changes. The product has been tested for safety in cell cultures and animals, as well as for its effects on the environment. It has also been found to be safe for use in food products. This chemiluminescent ligand is an ideal tool for diagnostic purposes, such as detection of bacteria or viruses in culture media or environmental testing.</p>

<p>Chromogenic substrate for esterase with C9 activity yielding a salmon colored precipitate upon cleavage.</p>

<p>5-Bromo-4-chloro-3-indoxyl oleate is a fluorescent substrate that is used for staining and enzyme substrate. It is a conjugate that is used in environmental testing, food testing, and diagnostics. 5-Bromo-4-chloro-3-indoxyl oleate has a CAS number of 341972-97-2 and its molecular weight is 229.5 g/mol. It's purity is &gt; 98%, with a specific optical rotation of +147° (c=1, CHCl3). This compound can be used as a chromogenic or fluorogenic substrate in bioluminescence assays. 5BRIO3 has been shown to be an excellent ligand for the detection of DNA polymerase I activity.</p>

<p>AquaSpark® β-D-glucoside is a dioxetane-based water-soluble substrate for β-glucosidase activity. In microbiology, β-glucosidase probes can be used for the detection of Listeria spp., Enterococcus spp.,Klebsiella pneumoniae and other species.</p>

<p>5-Bromo-4-chloro-3-indolyl acetate (5BCIA) is an enzyme substrate that has been shown to inhibit the activity of a number of enzymes, such as proteases and phosphatases. It has also been shown to inhibit the growth of a number of human pathogens, including Staphylococcus aureus, Escherichia coli, Salmonella enterica, Pseudomonas aeruginosa, and Mycobacterium tuberculosis. 5BCIA inhibits bacterial growth by binding to the active site of the enzyme phosphatase and preventing it from hydrolyzing a phosphate group from ATP. This process is necessary for energy metabolism in all living cells. 5BCIA has been shown to be effective against methicillin resistant Staphylococcus aureus (MRSA).</p>

<p>AquaSpark® Enhanced HRP Detection Solution is a sensitive chemiluminescent substrate solution for detecting horseradish peroxidase (HRP) conjugates on immunoblots (Western blot, dot blot) and in enzyme-linked immunosorbent assays (ELISA). The ready-to-use detection solution contains the AquaSpark® substrate and the oxidizing reagent hydrogen peroxide (H2O2).</p>

<p>Chromogenic substrate for esterase with C8 activity yielding a blue precipitate upon cleavage.</p>

<p>AquaSpark® beta-D-glucuronide, 10 mM in DMSO, is a chromogenic substrate that can be used to detect the presence of beta-glucuronidase enzyme. The substrate is a blue fluorescent compound that can be detected by fluorimetry or chemiluminescence. AquaSpark® beta-D-glucuronide, 10 mM in DMSO, has been shown to be an excellent ligand for binding to beta-glucuronidase and can be used for detection of this enzyme in food testing and culture media. The product also has high purity, being obtained from Sigma Aldrich Corporation with CAS No. 2484873-21-2 and Staining.</p>

<p>5-Bromo-4-chloro-3-indoxyl-alpha-L-arabinopyranoside is a fluorogenic substrate that can be used in enzyme and chromogenic assays. It is a high purity, stable product with a CAS number of 53673-61-7. This product has been shown to have fluorescence properties under acidic conditions, as well as chemiluminescence properties when exposed to an oxidizing agent. This compound can be used for the detection of bacterial activity in culture media and for the detection of pathogens in environmental samples. The conjugate can also be used for food testing.</p>

<p>Aldol 495 acetate is a chromogenic substrate that contains the chemical compound Aldol. It is used in food testing, diagnostics, and environmental testing. Aldol 495 acetate can be used as a ligand to detect the presence of enzymes or bacteria in culture media and diagnostics. This product has been shown to have a high purity and quality.</p>

<p>Aldol® 455 beta-D-glucopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of beta-glucosidase activity. The colorless enzyme substrate is cleaved by beta-glucosidase producing bacteria grown in liquid or solid media, yielding a yellow color and green to orange fluorescence. Aldol® 455 beta-D-glucopyranoside can be used under aerobic and anaerobic conditions.</p>

<p>Chromogenic substrate specific for α-D-mannosidase. Yields a blue precipitate upon cleavage. Identification of Listeria species.</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>Coelenterazine is the substrate for the enzymes Renilla luciferase, Gaussia luciferase and other luciferase enzymes. Marine organisms like squids, shrimps, fish and jellyfish use coelenterazine to produce spectacular bioluminescence (in analogy with insects which utilize firefly luciferine). Today, coelenterazine is used in numerous applications like immunoassays, ELISA, monitoring of reporter genes, chemiluminescence detection of superoxide anion and peroxynitritein cells or tissues. The substrate is also used in bioluminescence resonance energy transfer (BRET), HTS and protein based methods for Calcium detection. The isolation and structure determination of coelenterazine was reported independently by two different groups in the seventies who discovered the molecule in sea pansy (Renilla reniformis) and in the cnidarian Aequorea victoria, respectively. Interestingly it was also found that the luminescent jellyfish Aequorea victoria does not produce coelenterazine itself but it rather assimilates it through ingestion of small preys like shrimps and copepods.<br>This product Coelenterazine, native, which is provided as a powder, is identical in quality and chemistry to our product Coelenterazine, native, dried.</p>

<p>AquaSpark® Peroxide Probe is a dioxetane-based substrate for the luminescence detection of hydrogen peroxide and other peroxides in biological samples. AquaSpark® Peroxide Probe is the most sensitive probe for H2O2 detection available. It is also an extremely versatile probe for oxidase detection applicable in a wide range of biocompatible buffers. For example it can be used for glucose oxidase detection andfor the quantitation of glucose levels (when coupled to the glucoseoxidase activity in an assay). In addition, AquaSpark® Peroxide Probe is used for the quantification of other biologically relevant compounds(e.g. amino acids) using the corresponding peroxide releasing oxidases.</p>

<p>In vivo bioluminescence imaging (BLI) is limited by the fact that the luminescence signal from native D-Luciferin (maximum emission at about 560 nm) is attenuated in the animal due to absorption and scattering of light below 600 nm in blood and tissues. These shortcomings can be avoided using a red-shifted luciferin derivative (max. em. at 600 nm) like CybLuc. In addition to red shift properties, CybLuc also displays higher lipophilicity and metabolic stability. This make it the ideal luciferin for in vivo studies. Cymit Quimica is the only supplier of commercial CybLuc.</p>

<p>Aldol 515 caprylate hydrochloride is a high-quality fluorogenic substrate that is used for the detection of enzymes in culture media and enzyme substrates. The product has a CAS number of 2484873-14-3 and can be used for food testing, diagnostics, and environmental testing. Aldol 515 caprylate hydrochloride can also be used as a ligand or chromogenic substrate to measure bioluminescence.</p>

<p>5-Amino-3-indoxyl-beta-D-galactopyranoside (AIG) is a chromogenic substrate that is used for the detection of beta-galactosidase activity. AIG is also used in food testing, diagnostics, and environmental testing. The detection of beta-galactosidase activity can be done by either using the fluorogenic substrate 4-methylumbelliferyl galactopyranoside or the bioluminescence system of firefly luciferase and luciferin. This product has a CAS number of 110114-03-0 and a molecular weight of 417.5 g/mol.</p>

<p>Bis(4-methylumbelliferyl)phosphate is a fluorescent probe that can be used for the diagnosis of β-glucosidase. It has a phosphate group and can be used to study phosphodiesterases and phosphodiesters. Bis(4-methylumbelliferyl)phosphate is also a liposomal probe that can be used in kinetic studies. This compound has been shown to inhibit β-glucosidase, which is an enzyme found in human saliva and pancreatic juice, at high concentrations. The inhibition of this enzyme leads to the accumulation of glucose and galactose in the blood, which can lead to diabetes mellitus or cancer.</p>

<p>AquaSpark® Alkaline Phosphatase Substrate is a chemiluminescent substrate for alkaline phosphatase (AP) detection in immunoassays, in particular in ELISA. AquaSpark® Alkaline Phosphatase Substrate is also a suitable substrate for protein (Western) blotting or nucleic acid blotting procedures using AP-conjugated antibodies. AquaSpark® probes offer unique advantages as they can work as single agents, they have ahigher efficiency and sensitivity over currently existing probes.</p>

<p>AquaSpark™ α-D-galactoside is a dioxetane-based substrate for the luminescence detection of α-galactosidase activity. It is the first single-compound chemiluminescent substrate commercially available for the detection of α-galactosidase activity. α-galactosidase assays are used in molecular biology to monitor the transcriptional activity of the GLA gene that is correlated with metabolic diseases or gene mutations. In microbiology the α-galactosidase activity is used to detect specific bacteria such as α-galactosidase positive Salmonella strains (Salmonella Enteritidis RKI 05/07992).</p>

<p>6-Chloro-3-indoxyl palmitate is a high quality, pure chemical reagent that can be used as a substrate for enzyme activity. It is a chromogenic substrate that is used in the detection of esterase activity. 6-Chloro-3-indoxyl palmitate is also used as a fluorogenic substrate in the presence of horseradish peroxidase and hydrogen peroxide to produce chemiluminescence. 6-Chloro-3-indoxyl palmitate has been shown to be an effective bioluminescent substrate for luciferase enzymes, such as firefly luciferase and Renilla luciferase.</p>

<p>The AquaSpark® 515 Singlet Oxygen Probe (SOCL) is a highly selective and sensitive chemiluminescence probe for the detection of singlet oxygen (1O2). The SOCL probe reacts specifically with 1O2 to form an intermediate dioxetane that spontaneously decomposes to emit green light with extraordinary intensity</p>

<p>Alkaline phosphatase (AP) is a widely used marker enzyme in ELISA as the enzyme is easily conjugated with antibodies, is extremely stable, has high catalytic activity and a broad substrate spectrum. Highly sensitive sensing of alkaline phosphatase activity is therefore of great significance for the development of AP-based ELISA platforms. Our AquaSpark® phosphatase substrate is designed for the most sensitive ELISA and Western blot detection methods. AquaSpark® -based substrates work as single reagent without the need for enhancers, co-substrates or any additional reagent as opposite to traditional dioxetanes. In ELISA procedures the AquaSpark® phosphatase substrate solution is applied to the test at the last step of the procedure. Green light is emitted immediately if AP-conjugated (secondary) antibody is bound to its corresponding detecting (first) antibody.</p>

<p>Chemiluminescence phosphatase substrate, broad pH range 6 - 10</p>

<p>Water soluble, chromogenic substrate for visualizing alkaline phosphatase activity. Produces a blueinsoluble 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 situhybridization, ELISAs and immunohistochemistry.</p>

<p>Aldol® 514 inositol-phosphate is a chromogenic enzyme substrate used for detection of phosphatidylinositol specific phospholipase C (PI-PLC, EC 4.6.1.13). The colorless enzyme substrate is cleaved by PI-PLC positive microorganisms, yielding a red-orange color. The substrate thus enables the detection and identification of various bacteria, such as, pathogenic strains of Listeria, Clostridium, Bacillus, and Staphylococcus. Aldol® 514 inositol-phosphate is suitable for use under aerobic and anaerobic conditions.</p>

<p>Chemiluminescence beta-galactosidase substrate</p>

<p>6-Bromo-2-naphthyl-alpha-D-galactopyranoside is a bioluminescent substrate for the enzyme luciferase that has been shown to be useful in detection of phenazines, antibiotics and other compounds in environmental testing. 6-Bromo-2-naphthyl-alpha-D-galactopyranoside can also be used for measurements of total microbial counts and for the measurement of the activity of enzymes such as beta galactosidase. It is also a ligand for the peroxidase enzyme, which makes it useful in staining techniques. 6BARG can be used as a fluorogenic substrate or as an indicator in chromogenic substrates. It is an important reagent for chemiluminescence and can also be used to measure the concentration of various substances.</p>

<p>Please enquire for more information about 3,4-Cyclohexenoesculetine phosphate disodium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Chromogenic substrate for β-glucuronidase (GUS) yieldinga blue precipitate. It is used for detection of GUS+ bacterial colonies and has been reported as chromogenic substrate in a number of chromogenic E. coli / coliform culture media. About 95% of common E. coli possess β-D-glucuronidase activity. Such chromogenic culture media are used for detection and enumeration of E. coli in food samples such as meat, dairy products, shellfish and have clinical applications in the assessment of urinary infections. It has gained international acceptance as highly accurate test for the presence of E. coli in drinking water samples. It is also used for the detection of the expression of GUS (E. coli β-glucuronidase) gene fusion marker constructs in plants.</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>Please enquire for more information about 3,4-Cyclohexenoesculetine-N-acetyl-glucosamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>