Low sulfate dextran

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Product Catalogue & Brochure

Low sulfate dextran

CAS Number: 9011-18-1

Dextran sulfates are produced by sulfation of selected dextran fractions. TdB Labs produce low sulfated dextran sulfates from 5 kDa to 500 kDa.
The dextran sulfate is supplied as the sodium salt and is stabilised by a small addition of phosphate salts. A certificate of analysis is supplied with each batch. The molecular weight range, sulfur content, moisture etc. are carefully controlled.

Can’t find what you are looking for? We can always produce a customised product for you. Read more here.

Structure
Dextran is a polysaccharide derived from the bacterium Leuconostoc mesenteroides B512F and consists of an α-D-(1 – 6) linear glucan with a low content (ca. 5%) of sidechains linked to the 3-carbon of glucose. Dextran sulfate is a sulfated derivative of selected dextran fraction. The sulfate content of our low sulfated dextran sulfates lies between 8 to 13 %.

Storage and Storage and stability
Dextran sulfate is stable for more than 6 years when stored dry in well-sealed containers at ambient temperature

Solubility
Dextran sulfate is readily soluble in water.

Applications

Dextran sulfate have a wide range of applications areas and properties. Some examples are:
Read more about application areas here.

  • Anti-coagulation agent in cell media
  • Selective precipitation of lipoproteins
  • Acceleration of DNA hybridisation.
  • Releasing DNA from DNA-histones complexes
  • Inhibition tRNA-binding to ribosomes
  • Inhibition of ribonucleases
  • Anti-viral properties
  • Used in cosmetics for anti-inflammation properties and osmotic retention of water
  • Separation of microorganisms and macromolecules
  • Adjuvant in vaccines
  • Studies of perm selectivity of membranes

References

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  1. Möhwald, M. et al. Aspherical, Nanostructured Microparticles for Targeted Gene Delivery to Alveolar Macrophages. Adv Healthc Mater 6, (2017).
  2. Dijk, M. et al. How Dextran Sulfate Affects C1-inhibitor Activity: A Model for Polysaccharide Potentiation. Structure 24, 2182–2189 (2016).
  3. Shahraz, A. et al. Anti-inflammatory activity of low molecular weight polysialic acid on human macrophages. Scientific Reports 5, 16800 (2015).
  4. Svensjö, E., Nogueira de Almeida, L., Vellasco, L., Juliano, L. & Scharfstein, J. Ecotin-Like ISP of L. major Promastigotes Fine-Tunes Macrophage Phagocytosis by Limiting the Pericellular Release of Bradykinin from Surface-Bound Kininogens: A Survival Strategy Based on the Silencing of Proinflammatory G-Protein Coupled Kinin B2 and B1 Receptors. Mediators of Inflammation https://www.hindawi.com/journals/mi/2014/143450/abs/ (2014) doi:10.1155/2014/143450.
  5. Parraga, J. E., Zorzi, G. K., Diebold, Y., Seijo, B. & Sanchez, A. Nanoparticles based on naturally-occurring biopolymers as versatile delivery platforms for delicate bioactive molecules: An application for ocular gene silencing. International Journal of Pharmaceutics 477, 12–20 (2014).
  6. Svensjö, E. et al. Maxadilan, the Lutzomyia longipalpis vasodilator, drives plasma leakage via PAC1–CXCR1/2-pathway. Microvascular Research 83, 185–193 (2012).
  7. Russo, L. M. et al. Renal Processing of Albumin in Diabetes and Hypertension in Rats. AJN 23, 61–70 (2003).
  8. Landauer, K. et al. Influence of Carboxymethyl Dextran and Ferric Citrate on the Adhesion of CHO Cells on Microcarriers. Biotechnology Progress 19, 21–29 (2003).
  9. Hugerth, A. M. Micropolarity and Microviscosity of Amitriptyline and Dextran Sulfate/Carrageenan‐Amitriptyline Systems: The Nature of Polyelectrolyte–Drug Complexes. Journal of Pharmaceutical Sciences 90, 1665–1677 (2001).
  10. Persson, B., Hugerth, A., Caram-Lelham, N. & Sundelöf, L.-O. Dextran Sulfate−Amphiphile Interaction; Effect of Polyelectrolyte Charge Density and Amphiphile Hydrophobicity. Langmuir 16, 313–317 (2000).
  11. Hugerth, A. & Sundelöf, L.-O. Effect of Polyelectrolyte Counterion Specificity on Dextran Sulfate−Amphiphile Interaction in Water and Aqueous/Organic Solvent Mixtures. Langmuir 16, 4940–4945 (2000).
  12. Burne, M. J. et al. Anomalous decrease in dextran sulfate clearance  in the diabetic rat kidney. American Journal of Physiology-Renal Physiology 274, F700–F708 (1998).
  13. Caram‐Lelham, N., Hed, F. & Sundelöf, L.-O. Adsorption of charged amphiphiles to oppositely charged polysaccharides—A study of the influence of polysaccharide structure and hydrophobicity of the amphiphile molecule. Biopolymers 41, 765–772 (1997).
  14. Vyas, S. V., Burne, M. J., Pratt, L. M. & Comper, W. D. Glomerular Processing of Dextran Sulfate during Transcapillary Transport. Archives of Biochemistry and Biophysics 332, 205–212 (1996).
  15. Wells, X. E. & Dawes, J. Role of the Liver and Kidney in the Desulphation of Heparin in vivo. Thromb Haemost 74, 667–672 (1995).
  16. Vyas, S. V., Parker, J.-A. & Comper, W. D. Uptake of dextran sulphate by glomerular intracellular vesicles during kidney ultrafiltration. Kidney International 47, 945–950 (1995).

Technical documents

Specifications

How to order

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