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M0418

Sigma-Aldrich

Melanin

BioReagent, Synthetic, suitable for cell culture

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About This Item

Numero CAS:
Numero CE:
Numero MDL:
Codice UNSPSC:
12352209
NACRES:
NA.75

Origine biologica

synthetic

Nome Commerciale

BioReagent

Saggio

≥97% (TLC)

Stato

powder

tecniche

cell culture | mammalian: suitable

Solubilità

1 N NH4OH: 20 mg/mL

Temperatura di conservazione

−20°C

InChI

1S/C18H10N2O4/c1-5-13-9-7(3-19-13)12-10-8(11(9)17(23)15(5)21)4-20-14(10)6(2)16(22)18(12)24/h3-4,19-20H,1-2H3
XUMBMVFBXHLACL-UHFFFAOYSA-N

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Descrizione generale

Melanin is a distinctive class of pigment found in animals, plants, bacteria, and fungi. It is an amorphous polymer formed by the polymerization of phenolic and indolic compounds.

Applicazioni

Melanin has been used:
  • to incubate normal human keratinocytes for Masson-Fontana staining
  • as a standard in the determination of melanin content in normal human epidermal melanocytes and immortalized human keratinocytes
  • as an absorber to mimic human skin or melanocytic nevi and melanoma

Azioni biochim/fisiol

Melanin plays a role in camouflage and energy harvesting. It also helps in protection against ionizing UV radiations, protection against biotic factors such as host defense against pathogens, and abiotic factors like heat, cold and osmotic stress. Melanin acts as a potent cation chelator and is a component of several photoprotective creams as it facilitates free radical scavenging activity. Melanin may be useful as a photo protectant in cell culture.

Nota sulla preparazione

Prepared by oxidation of tyrosine with hydrogen peroxide.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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