About This Item
Fórmula linear:
(C6H10O5)n
Número CAS:
Número CE:
Número MDL:
Código UNSPSC:
12352201
NACRES:
NA.25
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fonte biológica
bacterial (Leuconostoc mesenteroides)
Nível de qualidade
Formulário
powder
atividade óptica
[α]20/D 190 to 201 °, c = 2% (w/v) in water
peso molecular
average mol wt 60,000-76,000
cor
white to off-white
pf
483 °C ((901 °F ))
solubilidade
water: 100 mg/mL at 25 °C, colorless to faintly yellow
temperatura de armazenamento
2-8°C
cadeia de caracteres SMILES
O1C(C(C(C(C1CO)O)O)O)OCC2OC(C(C(C2O)O)O)OCC(O)C(O)C(O)C(O)C=O
InChI
1S/C18H32O16/c19-1-5(21)9(23)10(24)6(22)3-31-17-16(30)14(28)12(26)8(34-17)4-32-18-15(29)13(27)11(25)7(2-20)33-18/h1,5-18,20-30H,2-4H2
chave InChI
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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Descrição geral
Dextran is an extracellular bacterial polymer of D-glucopyranose. It consists of α-(1→6) linkage in the main chain with a variable amount of α-(1→2), α-(1→3), α-(1→4) branched linkages. Dextran from L. mesenteroides B512F comprises 95% of α- (1→6) linkages and 5% of α-(1→3) branch linkages. Insoluble dextran from L. mesenteroides 1299 contains 63% α-(1→6), 27% of α-(1→2) and 8% of α-(1→3) linkages.
Aplicação
O uso de dextranas como braços espaçadores longos e hidrofílicos melhora o desempenho das proteínas imobilizadas que agem sobre macromoléculas.
Dextran from Leuconostoc mesenteroides has been used:
- in resuspension of pellets and in Hanks′ balanced salt solution (HBSS) for the isolation of vascular nuclei from frozen post-mortem brain tissue
- to prepare dextran solution in phosphate buffer saline and to maintain corneal hydration and restore corneal thickness to physiological levels of human eyes
- as a polymer solution in the in situ aqueous two-phase systems (ATPS) formation with lysozyme PEGylation reaction
Ações bioquímicas/fisiológicas
Dextran is commercially available as a drug, especially as a blood plasma volume expander. This bacterial polysaccharide has several applications, such as adjuvant, emulsifier, carrier, and stabilizer in the food, pharmaceutical, and chemical industries. Dextran is used in the thickening of jam and ice cream in the food industry. It prevents sugar crystallization and retains moisture. This helps in preserving the flavor and appearance of several food items.
Outras notas
To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 2
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