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Use of gold nanoparticles for immobilization of L-cysteine on TLC plates

A new method of immobilization of the chiral selector on the surface of TLC plates by means of stepwise impregnation by gold nanoparticles and L-cysteine is described. The novel silica- and alumina-based stationary phases for TLC demonstrate enantioselectivity toward tetrahydrozoline, hydroxyzine, ketoprofen, fenoprofen, pindolol, and fluoxetine. The influence of the composition of the mobile phase on the R f values and enantioselectivity is also discussed.

Authors:   E. N. Shapovalova, I. A. Ananieva, A. G. Majouga, N. V. Zik, O. A. Shpigun
Journal:   Moscow University Chemistry Bulletin
Year:   2009
DOI:   10.3103/S0027131409030092
Publication date:   03-Aug-2009
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