Adsorption of Some Biomolecules on Highly Dispersed Silica Surface Modified with Dibenzo-18-Crown-6

Authors

  • L. P. Golovkova Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • O. V. Markitan Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • N. N. Vlasova Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine

Abstract

The adsorption of biogenic amines (agmatine, histamine, tyramine, tryptamine), amino acids (arginine, lysine, tyrosine), and dipeptides (lysylphenylalanine and arginylphenylalanine) has been studied on fumed silica surface modified with macrocyclic polyether dibenzo-18-crown-6. The apparent binding constants of biomolecule complexes with crown ether fastened to the surface have been calculated according to obtained adsorption isotherms. It has been shown that the binding constants of aromatic amines and dipeptides with crown ether are higher than those of aliphatic compounds. The presence of additional basic groups in arginine and lysine molecules leads to the formation of more stable complexes with crown ether in comparison with that of tyrosine.

References

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How to Cite

(1)
Golovkova, L. P.; Markitan, O. V.; Vlasova, N. N. Adsorption of Some Biomolecules on Highly Dispersed Silica Surface Modified With Dibenzo-18-Crown-6. Him. Fiz. Tehnol. Poverhni 2011, 2, 499-503.

Issue

Vol. 2 No. 4 (2011): Chemistry, Physics and Technology of Surface / Himia, Fizika ta Tehnologia Poverhni

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Articles

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