D4876
Dextran from Leuconostoc mesenteroides
average mol wt 150,000
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About This Item
Linear Formula:
(C6H10O5)n
CAS Number:
UNSPSC Code:
12352201
NACRES:
NA.25
EC Number:
232-677-5
MDL number:
biological source
bacterial (Leuconostoc mesenteroides)
Quality Level
form
powder
optical activity
[α]/D 199°
mol wt
average mol wt 150,000
color
white
solubility
H2O: soluble 20 mg/mL
SMILES string
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
InChI key
FZWBNHMXJMCXLU-UHFFFAOYSA-N
Application
Dextrans are used in many applications as platelet aggregants, plasma volume extenders, osmotic pressure regulators, stabilizers, organ separation media, matrix components, copolymers, microcarriers, binding agents, viscosity modifiers, antithrombotics, lubricants and physical structure components. Dextrans may be used as long hydrophilic spacer arms to improve the performance (freedom of movement) of conjugated/bound proteins. Dextrans may be derivatized for use in biosensor systems. Dextran 150 may be used to study iron delivery to cells, cell membrane permeabilization and red blood cell aggregation.
Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.
Preparation Note
With the exception of the highest MW dextran, D5501 (MW range = 5 million to 40 million), dextrans are very water soluble. Sigma tests the solubility of dextrans at concentrations generally exceeding 30 mg/ml in water. Dextrans are also freely soluble in DMSO, formamide, ethylene glycol, and glycerol. Neutral-aqueous dextran solutions can be sterilized by autoclaving at 110-115oC for 30 to 45 minutes. Dextran can be hydrolyzed by strong acids at high temperatures. The terminal reducing end group of dextran can be oxidized in alkaline solutions.
Other Notes
To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Mengyun Lia et al.
Archives of animal nutrition, 65(6), 477-485 (2012-01-20)
Iron (Fe) is an essential and important trace element for animals. In order to study its metabolism and relationship with hepcidin, piglet models of Fe-deficiency and Fe-overload were established by intramuscular injection with different doses of Fe-dextran (150 mg Fe/ml)
Scott A Myers et al.
Experimental neurology, 256, 25-38 (2014-04-03)
CD36 is a pleiotropic receptor involved in several pathophysiological conditions, including cerebral ischemia, neurovascular dysfunction and atherosclerosis, and recent reports implicate its involvement in the endoplasmic reticulum stress response (ERSR). We hypothesized that CD36 signaling contributes to the inflammation and
Elizabeth M Bradshaw et al.
Nature neuroscience, 16(7), 848-850 (2013-05-28)
In our functional dissection of the CD33 Alzheimer's disease susceptibility locus, we found that the rs3865444(C) risk allele was associated with greater cell surface expression of CD33 in the monocytes (t50 = 10.06, P(joint) = 1.3 × 10(-13)) of young