| Direct determination of metformin in urine by adsorptive catalytic square-wave voltammetry S Skrzypek, V Mirčeski, W Ciesielski, A Sokołowski, R Zakrzewski Journal of pharmaceutical and biomedical analysis 45 (2), 275-281, 2007 | 75 | 2007 |
| Determination of methimazole in urine with the iodine-azide detection system following its separation by reversed-phase high-performance liquid chromatography R Zakrzewski Journal of Chromatography B 869 (1-2), 67-74, 2008 | 42 | 2008 |
| Lipid levels, atrial fibrillation and the impact of age: Results from the LIPIDOGRAM2015 study SL Harrison, DA Lane, M Banach, M Mastej, S Kasperczyk, JJ Jóźwiak, ... Atherosclerosis 312, 16-22, 2020 | 33 | 2020 |
| Iodimetric titration of sulfur compounds in alkaline medium W Ciesielski, R Zakrzewski Chemia analityczna 51 (5), 653, 2006 | 31 | 2006 |
| The use of a new, modified Dittmer–Lester spray reagent for phospholipid determination by the TLC image analysis technique K Dyńska‐Kukulska, W Ciesielski, R Zakrzewski Biomedical Chromatography 27 (4), 458-465, 2013 | 30 | 2013 |
| Application of iodine-azide reaction for detection of amino acids in thin-layer chromatography D Kaźmierczak, W Ciesielski, R Zakrzewski, M Żuber Journal of Chromatography A 1059 (1-2), 171-174, 2004 | 28 | 2004 |
| Application of improved iodine–azide procedure for the detection of thiouracils in blood serum and urine with planar chromatography R Zakrzewski, W Ciesielski Journal of Chromatography B 784 (2), 283-290, 2003 | 23 | 2003 |
| Development and validation of a reversed-phase HPLC method with post-column iodine-azide reaction for the determination of thioguanine R Zakrzewski Journal of Analytical Chemistry 64, 1235-1241, 2009 | 21 | 2009 |
| Analysis of sulfide ions by densitometric thin-layer chromatography and use of TLSee software W Ciesielski, K Dyńska-Kukulska, R Zakrzewski, A Hekner JPC-Journal of Planar Chromatography-Modern TLC 23 (5), 343-347, 2010 | 20 | 2010 |
| Potentiometric and Coulometric Titration of6-Propyl-2-Thiouracil W Ciesielski, R Zakrzewski Analyst 122 (5), 491-494, 1997 | 20 | 1997 |
| Application of the iodine–azide postcolumn reaction in RP‐HPLC for the determination of thioguanine in urine R Zakrzewski Journal of separation science 31 (12), 2199-2205, 2008 | 19 | 2008 |
| Determination of methimazole in pharmaceutical preparations using an HPLC method coupled with an iodine-azide post-column reaction R Zakrzewski Journal of Liquid Chromatography & Related Technologies® 32 (3), 383-398, 2008 | 19 | 2008 |
| Coulometric titration of ketotifen in tablets W Ciesielski, R Zakrzewski, U Żłobińska Die Pharmazie-An International Journal of Pharmaceutical Sciences 60 (3 …, 2005 | 19 | 2005 |
| Application of thin-layer chromatography image analysis technique in quantitative determination of sphingomyelin M Skowron, R Zakrzewski, W Ciesielski Journal of Analytical Chemistry 71, 808-813, 2016 | 14 | 2016 |
| A derivatization approach using pyrylium salts for the sensitive and simple determination of sulfide in spring water by high performance liquid chromatography Ż Rembisz, D Bzdurska, J Obiedzińska, R Martínez-Máńez, R Zakrzewski Journal of Chromatography A 1407, 184-192, 2015 | 14 | 2015 |
| Iodimetric determination of 2-mercaptopyrimidines W Ciesielski, R Zakrzewski, A Krenc, J Zieliṅska Talanta 47 (3), 745-752, 1998 | 14 | 1998 |
| Separation of amino acids as phenyl thiocarbamyl derivatives by normal and reversed-phase thin-layer chromatography D Kaźmierczak, W Ciesielski, R Zakrzewski JPC–Journal of Planar Chromatography–Modern TLC 18, 427-431, 2005 | 13 | 2005 |
| Detection of proline, arginine, and lysine using iodine‐azide reaction in TLC and HPTLC R Zakrzewski, W Ciesielski, D Kaźmierczak Journal of separation science 26 (11), 1063-1066, 2003 | 13 | 2003 |
| Application of the iodine–azide procedure for the detection of glycine, alanine, and aspartic acid in planar chromatography R Zakrzewski, W Ciesielski, D Kaźmierczak Journal of liquid chromatography & related technologies 25 (10-11), 1599-1614, 2002 | 13 | 2002 |
| Application of image analysis technique for the determination of thiophanate methyl by thin-layer chromatography M Skowron, R Zakrzewski, W Ciesielski International journal of environmental analytical chemistry 98 (3), 286-294, 2018 | 12 | 2018 |
Ramón Martínez MánezUniversidad Politécnica de ValenciaVerified email at qim.upv.es
