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The assessment of тт-тт selective stationary phases for two-dimensional HPLC analysis of foods : application to the analysis of coffee Mnatsakanyan, Mariam, Stevenson, Paul G., Shock, David, Conlan, Xavier A., Goodie, Tiffany A., Spencer, Kylie N., Barnett, Neil W., Francis, Paul S. and Shalliker, R. Andrew 2010, The assessment of тт-тт selective stationary phases for two-dimensional HPLC analysis of foods : application to the analysis of coffee, Talanta, vol. 82, no. 4, pp. 1349-1357. Attached Files Name Description MIMEType Size Downloads Title The assessment of тт-тт selective stationary phases for two-dimensional HPLC analysis of foods : application to the analysis of coffee Author(s) Mnatsakanyan, Mariam Stevenson, Paul G. Shock, David Conlan, Xavier A. Goodie, Tiffany A. Spencer, Kylie N. Barnett, Neil W. Francis, Paul S. Shalliker, R. Andrew Journal name Talanta Volume number 82 Issue number 4 Start page 1349 End page 1357 Total pages 9 Publisher Elsevier B.V. Place of publication Amsterdam, The Netherlands Publication date 2010-09-15 ISSN 0039-9140 1873-3573 Keyword(s) two-dimensional HPLC natural Products selectivity coffee Summary Differences between alkyl, dipole–dipole, hydrogen bonding, and π-π selective surfaces represented by non-resonance and resonance π-stationary phases have been assessed for the separation of ‘Ristretto’ café espresso by employing 2DHPLC techniques with C18 phase selectivity detection. Geometric approach to factor analysis (GAFA) was used to measure the detected peaks (N), spreading angle (β), correlation, practical peak capacity (np) and percentage usage of the separations space, as an assessment of selectivity differences between regional quadrants of the two-dimensional separation plane. Although all tested systems were correlated to some degree to the C18 dimension, regional measurement of separation divergence revealed that performance of specific systems was better for certain sample components. The results illustrate that because of the complexity of the ‘real’ sample obtaining a truly orthogonal two-dimensional system for complex samples of natural origin may be practically impossible. Language eng Field of Research 030108 Separation Science Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences HERDC Research category C1 Refereed article in a scholarly journal HERDC collection year 2010 Copyright notice ©2010, Elsevier Persistent URL http://hdl.handle.net/10536/DRO/DU:30031037 Document type: Journal Article Collection: Centre for Biotechnology and Interdisciplinary Sciences (BioDeakin) Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Wed, 03 Nov 2010, 10:42:45 EST Wed, 03 Nov 2010, 10:43:23 EST Tue, 09 Nov 2010, 13:55:30 EST Tue, 09 Nov 2010, 14:53:11 EST Tue, 09 Nov 2010, 14:54:42 EST Wed, 10 Nov 2010, 07:49:38 EST Thu, 03 Oct 2013, 10:28:07 EST Fri, 22 Aug 2014, 14:50:54 EST Wed, 27 Aug 2014, 22:27:36 EST Filtered Full Citation counts:   Cited 16 times in TR Web of Science Cited 11 times in Scopus Search Google Scholar Access Statistics: 326 Abstract Views, 3 File Downloads  -  Detailed Statistics Created: Wed, 03 Nov 2010, 10:42:45 EST by Teresa Treffry

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