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Merck
모든 사진(1)

문서

31419

Supelco

Dextran from Leuconostoc mesenteroides

analytical standard, for GPC, Mw 25,000

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About This Item

Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
UNSPSC 코드:
12352201
NACRES:
NA.24

Grade

analytical standard
for GPC

Quality Level

분자량

Mn ~20,000
Mp ~20,000
Mw ~25,000

분석물 화학적 분류

oligosaccharides

기술

gel permeation chromatography (GPC): suitable

Mw/Mn

~1.25

응용 분야

food and beverages

형식

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

InChI key

FZWBNHMXJMCXLU-UHFFFAOYSA-N

유사한 제품을 찾으십니까? 방문 제품 비교 안내

일반 설명

Dextran is a D-glucosyl homopolysaccharide which has a-1,6 glucosidic linkages with different branches through α-1,2, α-1,3, and α-1,4 linkages correspondingly classified as group A, B and C. It can be synthesized from sucrose by cell-free filtrate.
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: 25,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).

애플리케이션

Markers-dextran with 25000 Da has been used as standard in gel chromatography analysis to determine fractional composition of protein, carbohydrate, phenolic surface active substances in base wine.
Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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문서 라이브러리 방문

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
Ana Luisa Miranda-Vilela et al.
Journal of biomedical nanotechnology, 9(7), 1261-1271 (2013-08-06)
This work aimed to test a dextran-functionalized magnetic fluid (DexMF) sample in mediating magnetohyperthermia to treat an advanced clinical Ehrlich-solid-tumor, to verify the effects of oral antioxidant administration of pequi-oil on this treatment and to investigate the potential of these
Wai-Leung Langston Suen et al.
Investigative ophthalmology & visual science, 54(6), 4358-4365 (2013-06-01)
This study aims to determine the in vivo effectiveness of low-frequency ultrasound in mediating the transport of macromolecules to the posterior segment of the eye via transscleral route. It investigates if damage is caused by ultrasound at the tested operation
Farwa Sarwat et al.
Pakistan journal of pharmaceutical sciences, 26(4), 793-797 (2013-07-03)
Leuconostoc are known to produce dextran, which have great commercial importance in chemical, medical and food industry. The present study is an attempt to select the best medium for the isolation of indigenous dextran producing Leuconostoc, measuring their enzyme activities
R D Zysler et al.
Journal of biomedical nanotechnology, 9(1), 142-145 (2013-05-01)
We propose a new method for determining the quantity of superparamagnetic iron oxide nanoparticles (Fe3O4, SPIONs) embedded in animal tissue using magnetization measurements. With this method, the smallest detectable quantity of magnetite nanoparticles in a tissue sample is -1 microg.

관련 콘텐츠

Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, featuring a linear backbone of α-linked d-glucopyranosyl repeating units.

자사의 과학자팀은 생명 과학, 재료 과학, 화학 합성, 크로마토그래피, 분석 및 기타 많은 영역을 포함한 모든 과학 분야에 경험이 있습니다..

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