2 edition of Dextrans found in the catalog.
International Symposium on Dextrans, 1st, Galveston 1968
|Contributions||Derrick, John R., 1922-, Guest, Maurice Mason, 1906-|
|LC Classifications||RM175 I58 1968|
|The Physical Object|
|Number of Pages||222|
A NOVEL PROCESS FOR THE PRODUCTION OF CLINICAL DEXTRAN A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Microbiology by Doman Kim , Seoul National University, Dextrans are hydrophilic polysaccharides characterized by their moderate to high molecular weight, good water solubility and low toxicity. They are widely used as both anterograde and retrograde tracers in neurons and for many other applications. Dextrans are biologically inert due to their uncommon poly-(α-D-1,6-glucose) linkages, which render them resistant to cleavage by most endogenous.
Dextrans are polysaccharides produced by certain species of bacteria. They are glucans, with primarily α (1 → 6) linkages and with frequent α(l → 3) branching. Draw a Haworth projection of a portion of a dextran, including one (1 → 3) branch point. Dextran definition is - any of numerous glucose biopolymers of variable molecular weight that are produced especially by the fermentation of sucrose by bacteria (such as genus Leuconostoc), are found in dental plaque, and are used especially in blood plasma substitutes.
dextran [dek´stran] a water-soluble polysaccharide of glucose produced by the action of Leuconostoc mesenteroides on sucrose; used as an artificial plasma extender. dextran (deks'tran), 1. Any of several water-soluble high molecular weight glucose polymers (ranging between MW 1, ,); produced by the action of members of the family. Dex Book - concept. Multiple Owners • Follow All Following All Unfollow All — Dex Book - concept. k. k. Published: September 11th Multiple Owners.
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This bar-code number lets you verify that you're getting exactly the right version or edition of a book. The digit and digit formats both work. Scan an ISBN with your phone Use the Amazon App to scan ISBNs and compare prices. James N. BeMiller, in Carbohydrate Chemistry for Food Scientists (Third Edition), Dextrans and levans.
Dextrans are not used directly as food additives but are related to food and food processing. Dextran is a generic term for a family of glucans made by polymerization of the α-d-glucopyranosyl moiety of sucrose in a Dextrans book catalyzed by the enzyme dextransucrase. Dextran is a polymer of anhydroglucose.
It is composed of approximately 95% alpha-D-() linkages. The remaining () linkages account for the branching of dextran. Dextran sulfate has many applications and when performing nucleic acid hybridizations, may be used as an accelerant to decrease the time required for probe : $ Dextrans Worldwide is a unique Logistics Solutions Provider operating its network of offices in Singapore, Malaysia, Indonesia, Thailand, Vietnam, Philippines, Hong Kong, China, Korea and Taiwan.
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B, SOHO New Town, 88 Jianguo Road Chaoyang District Beijing China: (Phone) (Fax) (Regional Manager). Dextran is a complex branched glucan (polysaccharide derived from the condensation of glucose).
IUPAC defines dextrans as "Branched poly-α-d-glucosides of microbial origin having glycosidic bonds predominantly C-1 → C-6". Dextran chains are of varying lengths (from 3 to kilodaltons). The polymer main chain consists of α-1,6 glycosidic linkages between glucose monomers, with branches CAS Number: : Dextran sulfate - g: Industrial & Scientific.
Skip to main content. Try Prime EN Hello, Sign in Account & Lists Sign in Account & Lists Returns & Orders Try Prime Cart. Industrial & Scientific Go Search Hello Select your Price: $ Dextran B(F) is freely soluble in water, methyl sulphoxide, formamide, ethylene glycol, glycerol, 4-methylmorpholineoxide, and hexamethylphosphoramide (a carcinogenic).
Some dextran fractions may adopt a certain degree of crystallinity and may only be brought into solution byFile Size: KB. Dextran is an exopolysaccharide produced by lactic acid bacteria, Leuconostoc mesenteroides. Structurally it is α-d-glucan, mainly composed of α-1,6-glycosidic linkage and small amount of α-1,2; α-1,3; and α-1,4 branched linkages.
Dextran is commercially produced from sucrose containing-medium such as molasses and the process parameters. Dextran Gels and Their Applications in Gel Filtration [Per Flodin] on *FREE* shipping on qualifying offers.
May Third Edition. Ph Pharmacia, Uppsala, Sweden., 85 pages. 11 oz. ( x x inches light gray paperback with black lettering). Title: Dextran Gels and Their Applications in Gel Filtration by Per Flodin.
From Summary: The Purpose of this investigation has. Anne M. Winkler MD, in Transfusion Medicine and Hemostasis (Third Edition), Dextrans.
Dextran is a synthetic colloid consisting of mixture of glucose polymers derived from the action of Leuconostoc mesenteroides on sucrose and is currently available in 10% dextran 40 (40 kDa) and 6% dextran 70 (70 kDa).
Dextrans have high water-binding capacity; for example, 1 g of dextran 40 retains Dextran has the potential to be recruited as a novel ingredient replacing the commercial hydrocolloids in bakery and other food industries. Dextran sulfate is a polynomic derivative of dextran produced by esterification of Dextran with chlorosulphonic acid.
The sulfur content is approximately 17% which corresponds to an average of 1. 9 sulfate groups per glycosylic residue of the dextran molecule. Dextran sulfate sodium (DSS) is the sodium salt which is a white to off-white powder.
Dextrans are also used as starting or intermediate reagents by food, biotech, photographic and chemical manufacturers. Size exclusion chomatography will reveal differences in the molecular size profiles of dextrans. Agilent PL aquagel-OH 40 and 60 8 µm columns are ideal for this.
Dextran is a complex branched glucan (polysaccharide made of many glucose molecules). Dextran is synthetized from sucrose by certain lactic-acid bacteria, the best known are Leuconostoc bacteroides and Streptococcus mutans. When used as a component of colloid solutions, dextrans are mixed in normal saline as an isotonic solution.
Dextrans synonyms, Dextrans pronunciation, Dextrans translation, English dictionary definition of Dextrans. Any of a group of branched polysaccharides with various molecular weights that are used to prevent thrombosis, as plasma volume expanders, and as food.
dextran[′dek ‚stran] (biochemistry) Any of the several polysaccharides, (C5H10O5)n, that yield glucose units on hydrolysis. Dextran (C6H10O5)n, a polysaccharide of bacterial origin, a polymer of glucose. The molecular weight can be as high as 10, In the linear part of the dextran molecule the glucose residues are joined by bonds between the.
Generic Name: dextran (high molecular weight) (DEX tran) Brand Name: Dextran 70 6% in 5% Dextrose, Hyskon, Macrodex, Gent Dextran-HM, Dextran 70 6% in % Sodium Chloride Medically reviewed by on – Written by Cerner MultumDrug class: Plasma expanders.
Dextran has the potential to be recruited as a novel ingredient replacing the commercial hydrocolloids in bakery and other food industries. Prebiotic oligosaccharide production by hydrolysis of dextran is a rather new field, garnering research and industrial attention.