Kowalczyk, Radoslaw M. - University of Reading - The Chemical Analysis Facility

研究领域

My research interests are focused on obtaining information on how microstructure and intra- and inter-molecular interactions are translated into the properties and macroscopic behaviour of many important organic and inorganic materials. The magnetic resonances, including NMR as well as EPR provide opportunity to use local probes (e.g. specific nuclei, free radicals, transition metal ions, triplet states or spin labels) which can reveal how the structure responds to applied external parameters such as temperature, light, pressure and electric field. Such information is crucial in order to understand the mechanism of macroscopic responses as diverse as for instance phototropism or magnetism. The aim of my research efforts is twofold: (i) to understand how we can control macroscopic behaviour by inducing subtle changes in microstructure in the materials of the future and (ii) how we can improve research techniques and develop new methods to obtain enhanced inside into microstructure-properties interplay.

近期论文

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"The relative humidity dependence of the permeability of cement paste measured using GARField NMR profiling", S. Zamani, R. M. Kowalczyk, P. J. McDonald, Cement and Concrete Research, in press (2014). "The mechanism of water-isopropanol exchange in cement pastes evidenced by NMR relaxometry", R. M. Kowalczyk, A. M. Gajewicz, P. J. McDonald, Physical Chemistry Chemical Physics, submitted (2014). "A variable temperature solid-state Nuclear Magnetic Resonance, Electron Paramagnetic Resonance and Raman scattering study of molecular dynamics in ferroelectric fluorides", R. M. Kowalczyk, T. F. Kemp, D. Walker, K. Pike, P. A. Thomas, J. Kreisel, R. Dupree, M. E. Newton, J. V. Hanna, M. E. Smith, Journal of Physics: Condensed Matter, 23, 315402 (2011). "Light-generated Paramagnetic Intermediates in BLUF Domains", S. Weber, C. Schroeder, S. Kacprzak, T. Mathes, R. M. Kowalczyk, L.-O. Essen, P. Hegemann, E. Schleicher, R Bittl, Photochemistry and Photobiology, 87, 574-583 (2011). "High-power DNP-enhanced NMR at 94 GHz: a study of the TEMPOL radical in toluene", E. V. Kryukov, M. E. Newton, K. J. Pike, D. R. Bolton, R. M. Kowalczyk, A. P. Howes, M. E. Smith, R. Dupree, Physical Chemistry Chemical Physics, 12, 5757-5765 2010. "The role of isolated active centres in high-performance bioinspired selective oxidation catalysts", J. Dzierzak, E. Botinelii, G. Berlier, E. Gianotti, E. Stulz, R. M. Kowalczyk, R. Raja, Chemical Communications, 2805-2807 (2010). "Fluorescent Copper(II) Bis(thiosemicarbazonates): From Synthesis, to Radiolabeling, In Vitro Cytotoxicity and Confocal Fluorescence Microscopy", S. I. Pascu, P. A. Waghorn, R. L. Arrowsmith, L. Rory, R. Simon, J. R. Dilworth,M. Christlieb, R. M. Tyrrell, J. Zhong, R. M. Kowalczyk, D. Collison, G. C. Churchill, F. I. Aigbirhio, Journal of Labelled Compounds and Radiopharmaceuticals, 53, 527-528 (2010).