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Chlorat 1.000 mg/l ClO3- i vand enkeltelement standard til ionkromatografi

Leverandør: ACTIVE MOTIF

Beskrivelse: Chlorat standard løsning (ClO₃⁻), 1000 mg/l, Matrice: H₂O, Ansøgning: Ionkromatografistandarder

Certifikater

Chlorate ion chromatography standards, VHG

Varenummer: (PROOVHG-ICLO3-500)

Leverandør: LGC Standards PROMOCHEM

Beskrivelse: This solution is intended for use as a certified reference material and calibration standard, for ion chromatography (IC) or techniques using other modes of aqueous ion detection.

UOM: 1 * 500 mL

Tilbud

N/A Each

Dechloromonas aromatica (strain RCB) recombinant chlorite dismutase (from E. coli)

Varenummer: (PRSI92-660)

Leverandør: ProSci Inc.

Beskrivelse: Chlorite dismutase (Cld) found in prokaryotic organisms, also known as Chlorite O2-lyase, is a b-type heme containing enzyme that catalyses the reduction of chlorite into chloride plus dioxygen. The subunit of chlorite dismutase consists of a heme free N-terminal and a heme b containing C-terminal ferredoxin-like fold with high structural homology to the dye-decolorizing peroxidases (DyPs). The physiological role of Cld in prokaryote has been shown that some microorganisms can use perchlorate or chlorate as terminal electron acceptors for anaerobic respiration thereby producing chlorite that must be detoxified. This enzyme has gained attention because it can be used in the development of bioremediation processes, biosensors, and controlled dioxygen production.

UOM: 1 * 1 Each

Tilbud

N/A Each

Human recombinant PAPS synthase 1 (from cells)

Varenummer: (PRSI92-367)

Leverandør: ProSci Inc.

Beskrivelse: PAPSS1 is a bifunctional enzyme with both ATP sulfurylase and APS kinase activity. In the N-terminal section, it belongs to the APS kinase family; while the C-terminal section belongs to the sulfate adenylyltransferase family. PAPSS1 can be inhibited by chlorate, and is expressed in many tissues, such as high endothelial venules (HEV) cells and in cartilage. PAPSS1 mediates two steps in the sulfate activation pathway. The first step is the transfer of a sulfate group to ATP to yield adenosine 5'-phosphosulfate (APS), and the second step is the transfer of a phosphate group from ATP to APS yielding 3'-phosphoadenylylsulfate. In mammals, PAPS is the sole source of sulfate; APS appears to be only an intermediate in the sulfate-activation pathway. PAPSS1 also involved in the biosynthesis of sulfated L-selectin ligands in endothelial cells.

UOM: 1 * 1 Each

Tilbud