31420
Dextran aus Leuconostoc mesenteroides
analytical standard, for GPC, Mw 50,000
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About This Item
Lineare Formel:
(C6H10O5)n
CAS-Nummer:
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352201
NACRES:
NA.24
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Qualität
analytical standard
for GPC
Qualitätsniveau
Mol-Gew.
Mn ~35,000
Mp ~45,000
Mw ~50,000
chemische Klasse(n) des Analyten
oligosaccharides
Methode(n)
gel permeation chromatography (GPC): suitable
Mw/Mn
~1.43
Anwendung(en)
food and beverages
Format
neat
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
InChIKey
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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Allgemeine Beschreibung
Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, with a linear backbone of α-linked D-glucopyranosyl repeating units. Dextrans are found as bacterial extracellular polysaccharides. They are synthesized from sucrose by Leuconostoc mesenteroides and Lactobacillus brevis. Bacteria employ dextran in biofilm formation or as a protective coating to evade host phagocytes in the case of pathogenic bacteria.
Dextran from Leuconostoc mesenteroides (Mw: 50,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).
Dextran from Leuconostoc mesenteroides (Mw: 50,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).
Anwendung
Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 2
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
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