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http://dx.doi.org/10.5012/bkcs.2008.29.1.061

Chemometric Studies on Brain-uptake of PET Agents via VolSurf Analysis  

Lee, Hyo-Seon (Department of Bioscience and Biotechnology, Konkuk University)
Kim, Mi-Kyoung (Department of Bioscience and Biotechnology, Konkuk University)
Lee, Chae-Woon (Department of Bioscience and Biotechnology, Konkuk University)
Kim, Jin-Young (Department of Bioscience and Biotechnology, Konkuk University)
Choo, Il-Han (Department of Neuropsychiatry, Seoul National University College of Medicine)
Woo, Jong-Inn (Department of Neuropsychiatry, Seoul National University College of Medicine)
Chong, You-Hoon (Department of Bioscience and Biotechnology, Konkuk University)
Publication Information
Bulletin of the Korean Chemical Society / v.29, no.1, 2008 , pp. 61-68 More about this Journal
Abstract
High initial (2 minutes after iv injection) brain-uptake of PET agents is required to deliver the agent to binding sites in brain tissue but, for quantification of the specific binding, relatively rapid washout of free and non-specifically bound PET agents from the brain (30 minutes after injection) also is required. In order to compare the physicochemical properties of the PET agents which are responsible for early brain-uptake and rapid washout, respectively, chemometric analysis on brain-uptake of PET agents was performed via a classical VolSurf approach. According to the PCA and PLS results, high 2-30 min brain-uptake ratio seems to be related to the large hydrophobic regions in the PET agents which are not confined to a particular surface.
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