COOH

BNF-Dextran or BNF-Starch particles are available with carboxylic acid groups on the surface for the covalent binding of proteins, antibodies or other molecules. The matrix of the functionalized particles consists of crosslinked dextran or hydroxyethyl starch. The 100 nm particles can be separated with conventional permanent magnets, while the 80 nm particles have to be separated in high gradient magnetic fields. BNF particles can easily be filtered through 0.22 µm filters. They are supplied in water without any surfactants.

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References
  • Fock, J., Parmvi, M., Strömberg, M., Svedlindh, P., Donolato, M., and Hansen, M.F., Comparison of optomagnetic and AC susceptibility readouts in a magnetic nanoparticle agglutination assay for detection of C-reactive protein, Biosensors and Bioelectronics, 2016;
  • Grüttner, C., Müller, K., and Teller, J., Comparison of Strain-Promoted Alkyne-Azide Cycloaddition with Established Methods for Conjugation of Biomolecules to Magnetic Nanoparticles, Magnetics, IEEE Transactions on, 2013, 49(1), 172-6;