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| Product | Description | |
|---|---|---|
| Selenium powder -325 Mesh amorphous | Selenium powder -325 Mesh amorphous. Grades: 99.5% Extremely High (>=99%). CAS No. 7782-49-2. Pack Sizes: Gram Quantities: 50 gm, 250 gm. Order Number: 3160. |  www.prochemonline.com |
| Selenium Nanopowder in aq. media | Selenium is a reddish colored powder that may become black upon exposure to air. It is toxic by ingestion. It is used to manufacture electronic components and rubber.;DryPowder; DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals;GREY SOLID IN VARIOUS FORMS.;COLOURLESS COMPRESSED LIQUEFIED GAS WITH CHARACTERISTIC ODOUR.;Amorphous or crystalline, red to gray solid.;Amorphous or crystalline, red to gray solid. [Note: Occurs as an impurity in most sulfide ores.]. Group: Nanodispersions. CAS No. 7782-49-2. Product ID: selenium. Molecular formula: 78.97g/mol. Mole weight: H2Se;Se. [Se]. InChI=1S/Se. BUGBHKTXTAQXES-UHFFFAOYSA-N. |  |
| Selenium, powder | 25g Pack Size. Group: Flavours and Fragrance Materials, Inorganic Chemicals. Formula: Se. CAS No. 7782-49-2. Prepack ID 55557186-25g. Molecular Weight 78.96. See USA prepack pricing. |  |
| Selenium Yeast 0.2% Powder | Selenium Yeast 0.2% Powder . |  CA, FL & NJ |
| 6-hydroxynicotinate dehydrogenase | Contains [2Fe-2S] iron-sulfur centres, FAD and molybdenum. It also has a catalytically essential, labile selenium that can be removed by reaction with cyanide. In Bacillus niacini, this enzyme is required for growth on nicotinic acid. Group: Enzymes. Synonyms: 6-hydroxynicotinic acid hydroxylase; 6-hydroxynicotinic acid dehydrogenase; 6-hydroxynicotinate hydroxylase; 6-hydroxynicotinate:O2 oxidoreductase. Enzyme Commission Number: EC 1.17.3.3. CAS No. 122191-32-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1089; 6-hydroxynicotinate dehydrogenase; EC 1.17.3.3; 122191-32-6; 6-hydroxynicotinic acid hydroxylase; 6-hydroxynicotinic acid dehydrogenase; 6-hydroxynicotinate hydroxylase; 6-hydroxynicotinate:O2 oxidoreductase. Cat No: EXWM-1089. |  |
| coenzyme-B sulfoethylthiotransferase | This enzyme catalyses the final step in methanogenesis, the biological production of methane. This important anaerobic process is carried out only by methanogenic archaea. The enzyme can also function in reverse, for anaerobic oxidation of methane.The enzyme requires the hydroporphinoid nickel complex coenzyme F430. Highly specific for coenzyme B with a heptanoyl chain; ethyl CoM and difluoromethyl CoM are poor substrates. The sulfide sulfur can be replaced by selenium but not by oxygen. Group: Enzymes. Synonyms: methyl-CoM reductase; methyl coenzyme M reductase. Enzyme Commission Number: EC 2.8.4.1. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-3427; coenzyme-B sulfoethylthiotransferase; EC 2.8.4.1; methyl-CoM reductase; methyl coenzyme M reductase. Cat No: EXWM-3427. | |
| cysteamine dioxygenase | A non-heme iron protein that is involved in the biosynthesis of taurine. Requires catalytic amounts of a cofactor-like compound, such as sulfur, sufide, selenium or methylene blue for maximal activity. 3-Aminopropanethiol (homocysteamine) and 2-mercaptoethanol can also act as substrates, but glutathione, cysteine, and cysteine ethyl- and methyl esters are not good substrates. Group: Enzymes. Synonyms: persulfurase; cysteamine oxygenase;cysteamine:oxygen oxidoreductase. Enzyme Commission Number: EC 1.13.11.19. CAS No. 9033-41-4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-0538; cysteamine dioxygenase; EC 1.13.11.19; 9033-41-4; persulfurase; cysteamine oxygenase;cysteamine:oxygen oxidoreductase. Cat No: EXWM-0538. | |
| formate dehydrogenase (NADP+) | A tungsten-selenium-iron protein. Group: Enzymes. Synonyms: NADP-dependent formate dehydrogenase; formate dehydrogenase (NADP). Enzyme Commission Number: EC 1.2.1.43. CAS No. 51377-43-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1147; formate dehydrogenase (NADP+); EC 1.2.1.43; 51377-43-6; NADP-dependent formate dehydrogenase; formate dehydrogenase (NADP). Cat No: EXWM-1147. | |
| glutathione peroxidase | A protein containing a selenocysteine residue. Steroid and lipid hydroperoxides, but not the product of reaction of EC 1.13.11.12 lipoxygenase on phospholipids, can act as acceptor, but more slowly than H2O2 (cf. EC 1.11.1.12 phospholipid-hydroperoxide glutathione peroxidase). Group: Enzymes. Synonyms: GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase. Enzyme Commission Number: EC 1.11.1.9. CAS No. 9013-66-5. GSH-Px. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-0511; glutathione peroxidase; EC 1.11.1.9; 9013-66-5; GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase. Cat No: EXWM-0511. | |
| L-seryl-tRNASec selenium transferase | A pyridoxal 5'-phosphate enzyme identified in Escherichia coli. Recognises specifically tRNASec-species. Binding of tRNASec also occurs in the absence of the seryl group. 2-Aminoacryloyl-tRNA, bound to the enzyme as an imine with the pyridoxal phosphate, is an intermediate in the reaction. Since the selenium atom replaces oxygen in serine, the product may also be referred to as L-selenoseryl-tRNASec. The symbol Sel has also been used for selenocysteine but Sec is preferred. Group: Enzymes. Synonyms: L-selenocysteinyl-tRNASel synthase; L-selenocysteinyl-tRNASec synthase selenocysteine synthase; cysteinyl-tRNASec-selenium transferase; cysteinyl-tRNASec-selenium transferase. Enzyme Commission Number: EC 2.9.1.1. CAS No. 183869-06-9. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-3432; L-seryl-tRNASec selenium transferase; EC 2.9.1.1; 183869-06-9; L-selenocysteinyl-tRNASel synthase; L-selenocysteinyl-tRNASec synthase selenocysteine synthase; cysteinyl-tRNASec-selenium transferase; cysteinyl-tRNASec-selenium transferase. Cat No: EXWM-3432. | |
| Native Bovine Glutathione Peroxidase | Glutathione peroxidase is an enzyme which reduced lipid hydroperoxides into their corresponding alcohols. It also reduces free hydrogen peroxide in to water. In vivo it is responsible for protecting hemoglobin from oxidative breakdown. Applications: Glutathione peroxidase from bovine erythr ocytes was used as a positive control in cloning and characterization of full-length cdnas encoding two glutathione peroxidases (gpxs) from globodera rost ochiensis. it was used for the determination of glutathione peroxidase activity in human milk. Group: Enzymes. Synonyms: EC 1.11.1.9; GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase; 9013-66-5; GSH-Px, Glutathione:hydrogen-peroxide oxido-reductase; Glutathione Peroxidase. Enzyme Commission Number: EC 1.11.1.9. CAS No. 9013-66-5. Mole weight: mol wt 84.5 kDa. Activity: > 300 units/mg protein. Storage: -20°C. Form: Lyophilized powder containing 25% sucrose and 2.5% dithiothreitol with sodium phosphate buffer salts. Source: Bovine erythr ocytes. Species: Bovine. EC 1.11.1.9; GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase; 9013-66-5; GSH-Px, Glutathione:hydrogen-peroxide oxido-reductase; Glutathione Peroxidase. Cat No: NATE-0322. | |
| Native Human Glutathione Peroxidase | Glutathione peroxidase is an enzyme which reduced lipid hydroperoxides into their corresponding alcohols. It also reduces free hydrogen peroxide in to water. In vivo it is responsible for protecting hemoglobin from oxidative breakdown. At the reported ph optimum of 8.8, we have found the activity to be approx. 10 times that at ph 7.0. however, to remain consistent with literature and avoid complications arising from non-enzymatic oxidation of gsh, our unit is defined at ph 7.0. Group: Enzymes. Synonyms: EC 1.11.1.9; GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase; 9013-66-5; GSH-Px, Glutathione:hydrogen-peroxide oxido-reductase; Glutathione Peroxidase. Enzyme Commission Number: EC 1.11.1.9. CAS No. 9013-66-5. GSH-Px. Activity: > 30 units/mg protein. Storage: -20°C. Form: Lyophilized powder containing 25% sucrose, 3% dithiothreitol, and sodium phosphate buffer salts. Source: Human erythr ocytes. Species: Human. EC 1.11.1.9; GSH peroxidase; selenium-glutathione peroxidase; reduced glutathione peroxidase; 9013-66-5; GSH-Px, Glutathione:hydrogen-peroxide oxido-reductase; Glutathione Peroxidase. Cat No: NATE-0323. | |
| nicotinate dehydrogenase | A flavoprotein containing non-heme iron. The enzyme is capable of acting on a variety of nicotinate analogues to varying degrees, including pyrazine-2-carboxylate, pyrazine 2,3-dicarboxylate, trigonelline and 6-methylnicotinate. The enzyme from Clostridium barkeri also possesses a catalytically essential, labile selenium that can be removed by reaction with cyanide. Group: Enzymes. Synonyms: nicotinic acid hydroxylase; nicotinate hydroxylase. Enzyme Commission Number: EC 1.17.1.5. CAS No. 9059-3-4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1083; nicotinate dehydrogenase; EC 1.17.1.5; 9059-03-4; nicotinic acid hydroxylase; nicotinate hydroxylase. Cat No: EXWM-1083. | |
| Selenium | Selenium is a reddish colored powder that may become black upon exposure to air. It is toxic by ingestion. It is used to manufacture electronic components and rubber.;DryPowder; DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals;GREY SOLID IN VARIOUS FORMS.;COLOURLESS COMPRESSED LIQUEFIED GAS WITH CHARACTERISTIC ODOUR.;Amorphous or crystalline, red to gray solid.;Amorphous or crystalline, red to gray solid. [Note: Occurs as an impurity in most sulfide ores.]. Group: Glass additives. Product ID: selenium. Molecular formula: 78.97g/mol. Mole weight: H2Se;Se. [Se]. InChI=1S/Se. BUGBHKTXTAQXES-UHFFFAOYSA-N. | |
| Selenium | Selenium is a reddish colored powder that may become black upon exposure to air. It is toxic by ingestion. It is used to manufacture electronic components and rubber.;DryPowder; DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals;GREY SOLID IN VARIOUS FORMS.;COLOURLESS COMPRESSED LIQUEFIED GAS WITH CHARACTERISTIC ODOUR.;Amorphous or crystalline, red to gray solid.;Amorphous or crystalline, red to gray solid. [Note: Occurs as an impurity in most sulfide ores.]. Group: Phosphors - phosphor materials. CAS No. 7782-49-2. Product ID: selenium. Molecular formula: 78.97g/mol. Mole weight: H2Se;Se. [Se]. InChI=1S/Se. BUGBHKTXTAQXES-UHFFFAOYSA-N. | |
| Selenium Metal | SELENIUM METAL, POWDER, 99.8% pure, -20 mesh, Formula: Se. CAS No. 7782-49-2. Noah Chemicals San Antonio, Texas. ISO 9001:2015 Certified. Request a Quote Today! |  Texas TX |
| Selenium Metal | SELENIUM METAL, POWDER, 99.8% pure, -325 mesh, Formula: Se. CAS No. 7782-49-2. Noah Chemicals San Antonio, Texas. ISO 9001:2015 Certified. Request a Quote Today! | Texas TX |
| Selenium Metal | SELENIUM METAL, POWDER, 99.999% pure, -200 mesh, Formula: Se. CAS No. 7782-49-2. Noah Chemicals San Antonio, Texas. ISO 9001:2015 Certified. Request a Quote Today! | Texas TX |
| Selenium Sulfide (SeS2) | Selenium Sulfide (SeS2). Group: Alloys nanopowders. Alternative Names: Selenium Sulfide Powder, SeS2 Powder, Selenium Sulfide; SeS2. 99.99%-99.999%. | |
| serine-tRNA ligase | This enzyme also recognizes tRNASec, the special tRNA for selenocysteine, and catalyses the formation of L-seryl-tRNASec, the substrate for EC 2.9.1.1, L-seryl-tRNASec selenium transferase. Group: Enzymes. Synonyms: seryl-tRNA synthetase; SerRS; seryl-transfer ribonucleate synthetase; seryl-transfer RNA synthetase; seryl-transfer ribonucleic acid synthetase; serine translase. Enzyme Commission Number: EC 6.1.1.11. CAS No. 9023-48-7. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5642; serine-tRNA ligase; EC 6.1.1.11; 9023-48-7; seryl-tRNA synthetase; SerRS; seryl-transfer ribonucleate synthetase; seryl-transfer RNA synthetase; seryl-transfer ribonucleic acid synthetase; serine translase. Cat No: EXWM-5642. | |
| tellurite methyltransferase | The enzyme is involved in the detoxification of tellurite. It can also methylate selenite and selenium dioxide. Group: Enzymes. Synonyms: TehB. Enzyme Commission Number: EC 2.1.1.265. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1870; tellurite methyltransferase; EC 2.1.1.265; TehB. Cat No: EXWM-1870. | |
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