5-Methylphenaziniummethylsulfat Chemische Eigenschaften,Einsatz,Produktion Methoden
R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R68:Irreversibler Schaden möglich.
R46:Kann vererbbare Schäden verursachen.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S53:Exposition vermeiden - vor Gebrauch besondere Anweisungen einholen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
Beschreibung
Phenazine is a free radical generator. It has been used as an electron transfer reactant in cell viability assays. Phenazine (10 μM) induces ssDNA break formation in the presence of the reducing agent NADPH in a cell-free plasmid cleavage assay when used at a concentration of 10 μM. It induces oxidative DNA damage in an alkaline comet assay and apoptosis in A375 melanoma cells when used at a concentration of 10 μM. Phenazine (20 nM) oxidizes cysteine-containing proteins in HepG2 cells.
Chemische Eigenschaften
orange to light brown crystals or powder
Verwenden
Phenazine Methosulfate is used in tyrosine transaminase test and for enzymic determination of ethanol in blood by the colorimetric micromethod. Used with ascorbic acid to determine nitric oxide reductase activity. Since the reduced PMS is easily oxidized by oxygen, it is used in assays as an electron carrier between enzymes and oxygen, cytochrome c, indophenols, or tetrazolium salts. The reduced PMS is used as an electron donor to reduce cytochrome c or in photosynthetic experiments. Usage of PMS for detection of specific dehydrogenases has been reported.
Definition
ChEBI: 5-methylphenazinium methyl sulfate is an azaheterocycle sulfate salt and a member of phenazines. It is used as an electron carrier in place of the flavine enzyme of Warburg in the hexosemonophosphate system and also in the preparation of succinic dehydrogenase. Green et al., J. Biol. Chem. 217, 551 (1955).
Application
Phenazine methosulfate is a compound used to determine nitric oxide reductase activity. Phenazine methosulfate has been used:
as a component of succinate dehydrogenase enzyme substrate solution.
to induce superoxide radical generation in red blood cell suspensions and to study its influence on RBC deformability.
as a component of complex II histochemistry media.
Used in the discovery of potent bromophenazine antibacterial agents against Staphylococcus.
Allgemeine Beschreibung
Phenazines are heterocyclic compounds produced as secondary metabolites by bacteria.
läuterung methode
It forms yellow-brown prisms from EtOH (charcoal), or EtOH/Et2O. Its solubility in H2O at 20o is 10%. In the presence of aqueous KI it forms a semiquinone which crystallises as blue leaflets from EtOH. [Wieland & Roseen Chem Ber 48 1117 1913, Voriskova Collect Czech Chem Commun 12 607 1947, Bülow Chem Ber 57 1431 1924, Campbell et al. J Chem Soc 404 1938, Morley J Chem Soc 4008 1952, Beilstein 23 I 59, 23 II 234, 23 III/IV 1658, 23/8 V 395.]
5-Methylphenaziniummethylsulfat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
