Journal of Chromatography A volume 1218, issue 52, P9406-9413 2011 DOI: 10.1016/j.chroma.2011.10.075 View full text
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Balamurali Kannan, Michael A. Marin, Kushal Shrestha, Daniel A. Higgins, Maryanne M. Collinson

Abstract: A simple, elegant method for the formation of a continuous stationary phase gradient for use in chromatographic separations is described. Its applicability to separation science is demonstrated using thin-layer chromatography as a test case. Gradient stationary phases were formed on activated High Performance Thin-Layer Chromatography (HP-TLC) plates using a newly developed methodology termed "controlled rate infusion". Specifically, the SiOH groups on the activated HP-TLC plates were reacted with 3-aminopropy…

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