All Stories

  1. Intermolecular interactions of tetracyanoethylene (TCNE) and fumaronitrile (FN) with minor amines: A combined UV–Vis and EPR study

    Article • The Journal of Chemical Physics, March 2022, American Institute of Physics

    Dr Piotr Pietrzyk

  2. Co3O4-ZrO2 and Co3O4-Nb2O5 crystalline-amorphous composites for H2O2 activation via Fenton-like and electroprotic processes – Proof of concept

    Article • Catalysis Today, February 2022, Elsevier

    Dr Piotr Pietrzyk

  3. Relevance of the electron transfer pathway in photodynamic activity of Ru(ii) polypyridyl complexes containing 4,7-diphenyl-1,10-phenanthroline ligands under normoxic and hypoxic conditions

    Article • Dalton Transactions, January 2022, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  4. Analysis of NH 3 ‐TPD Profiles for CuSSZ‐13 SCR Catalyst of Controlled Al Distribution – Complexity Resolved by First Principles Thermodynamics of NH 3 Desorption, IR and EPR Insight into Cu Speciation**

    Article • Chemistry - A European Journal, November 2021, Wiley

    Dr Piotr Pietrzyk

  5. The Cytotoxic Effect of Copper (II) Complexes with Halogenated 1,3-Disubstituted Arylthioureas on Cancer and Bacterial Cells

    Article • International Journal of Molecular Sciences, October 2021, MDPI AG

    Dr Piotr Pietrzyk

  6. Enhanced adsorption and degradation of methylene blue over mixed niobium-cerium oxide – Unraveling the synergy between Nb and Ce in advanced oxidation processes

    Article • Journal of Hazardous Materials, August 2021, Elsevier

    Prof. Marcin Frankowski, Dr Piotr Pietrzyk

  7. Structure and mechanistic relevance of Ni2+–NO adduct in model HC SCR reaction over NiZSM-5 catalyst – Insights from standard and correlation EPR and IR spectroscopic studies corroborated by molecular modeling

    Article • Journal of Catalysis, February 2021, Elsevier

    Dr Piotr Pietrzyk

  8. Correction to “Cu(II) Complexes with FomA Protein Fragments of Fusobacterium Nucleatum Increase Oxidative Stress and Malondialdehyde Level”

    Article • Chemical Research in Toxicology, August 2020, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  9. Redox states of nickel in zeolites and molecular account into binding of N2 to nickel(I) centers – IR, EPR and DFT study

    Article • Microporous and Mesoporous Materials, January 2020, Elsevier

    Dr Piotr Pietrzyk

  10. Photogeneration of reactive oxygen species over ultrafine TiO2 particles functionalized with rutin–ligand induced sensitization and crystallization effects

    Article • Research on Chemical Intermediates, October 2019, Springer Science + Business Media

    Dr Piotr Pietrzyk

  11. Cu(II) Complexes with FomA Protein Fragments of Fusobacterium Nucleatum Increase Oxidative Stress and Malondialdehyde Level

    Article • Chemical Research in Toxicology, October 2019, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  12. Stability of Cu(ii) complexes with FomA protein fragments containing two His residues in the peptide chain

    Article • Metallomics, August 2019, Oxford University Press (OUP)

    Dr Piotr Pietrzyk

  13. Molecular structures of nickel adducts in zeolites – Interpretation of experimental EPR g-tensors guided by DFT calculations

    Article • Journal of Molecular Structure, March 2019, Elsevier

    Dr Piotr Pietrzyk

  14. ROS-mediated lipid peroxidation as a result of Cu(ii) interaction with FomA protein fragments of F. nucleatum: relevance to colorectal carcinogenesis

    Article • Metallomics, January 2019, Oxford University Press (OUP)

    Dr Piotr Pietrzyk

  15. Physicochemical and electrochemical properties of the carbon materials containing nitrogen and cobalt derived from acetonitrile and Co–Al layered double hydroxides

    Article • Journal of Materials Science, May 2018, Springer Science + Business Media

    Dr Piotr Pietrzyk

  16. Synthesis, structural and antimicrobial studies of type II topoisomerase-targeted copper(II) complexes of 1,3-disubstituted thiourea ligands

    Article • Journal of Inorganic Biochemistry, May 2018, Elsevier

    Dr Piotr Pietrzyk

  17. Corrigendum to “Nitrogen-doped carbon materials derived from acetonitrile and Mg-Co-Al layered double hydroxides as electrocatalysts for oxygen reduction reaction” [Electrochim. Acta 212 (2016) 47–58]

    Article • Electrochimica Acta, January 2018, Elsevier

    Dr Piotr Pietrzyk

  18. Mn 3+ -saturated bovine lactoferrin as a new complex with potential prebiotic activities for dysbiosis treatment and prevention – On the synthesis, chemical characterization and origin of biological activity

    Article • Journal of Functional Foods, November 2017, Elsevier

    Dr Piotr Pietrzyk

  19. Synthesis, structural studies and biological activity of novel Cu(II) complexes with thiourea derivatives of 4-azatricyclo[5.2.1.0 2,6 ]dec-8-ene-3,5-dione

    Article • Journal of Inorganic Biochemistry, November 2017, Elsevier

    Dr Piotr Pietrzyk

  20. Generation of Reactive Oxygen Species via Electroprotic Interaction of H2O2 with ZrO2 Gel: Ionic Sponge Effect and pH-Switchable Peroxidase- and Catalase-Like Activity

    Article • ACS Catalysis, March 2017, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  21. Role of chain length of the capping agents of iron oxide based fuel borne catalysts in the enhancement of soot combustion activity

    Article • Applied Catalysis B Environment and Energy, December 2016, Elsevier

    Professor Andrzej Kotarba, Dr Piotr Pietrzyk

  22. Structure dependent charge transfer in bipyrimidinium–octacyanotungstate ion pairs

    Article • Polyhedron, November 2016, Elsevier

    Dr Piotr Pietrzyk

  23. Nitrogen-doped carbon materials derived from acetonitrile and Mg-Co-Al layered double hydroxides as electrocatalysts for oxygen reduction reaction

    Article • Electrochimica Acta, September 2016, Elsevier

    Prof. Kohei Uosaki, Dr Piotr Pietrzyk

  24. Paramagnetic dioxovanadium(iv) molecules inside the channels of zeolite BEA – EPR screening of VO2 reactivity toward small gas-phase molecules

    Article • Physical Chemistry Chemical Physics, January 2016, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  25. Diagnostic Features of EPR Spectra of Superoxide Intermediates on Catalytic Surfaces and Molecular Interpretation of Their g and A Tensors

    Article • Topics in Catalysis, August 2015, Springer Science + Business Media

    Dr Piotr Pietrzyk

  26. Search for reactive intermediates in catalytic oxidation with hydrogen peroxide over amorphous niobium(V) and tantalum(V) oxides

    Article • Applied Catalysis B Environment and Energy, March 2015, Elsevier

    Dr Piotr Pietrzyk

  27. Nitration and reduction route to surface groups of mesoporous carbons obtained from sucrose and phloroglucinol/formaldehyde precursors

    Article • Materials Chemistry and Physics, January 2015, Elsevier

    Dr Piotr Pietrzyk

  28. New Thiadiazole Dioxide Bridging Ligand with a Stable Radical Form for the Construction of Magnetic Coordination Chains

    Article • Crystal Growth & Design, August 2014, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  29. ChemInform Abstract: Molecular Interpretation of EPR Parameters — Computational Spectroscopy Approaches

    Article • ChemInform, April 2014, Wiley

    Dr Piotr Pietrzyk

  30. Temperature-dependent orientation of self-organized nanopatterns on ion-irradiated TiO2(110)

    Article • Physical Review B, November 2013, American Physical Society (APS)

    Dr Piotr Pietrzyk

  31. Intimate Binding Mechanism and Structure of Trigonal Nickel(I) Monocarbonyl Adducts in ZSM-5 Zeolite—Spectroscopic Continuous Wave EPR, HYSCORE, and IR Studies Refined with DFT Quantification of Disentangled Electron and Spin Density Redistributions al...

    Article • Journal of the American Chemical Society, October 2013, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  32. Electron Paramagnetic Resonance Spectroscopy of Inorganic Materials

    Article • August 2013, Wiley

    Dr Piotr Pietrzyk

  33. Molecular interpretation of EPR parameters - computational spectroscopy approaches

    Article • November 2012, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  34. ChemInform Abstract: Electron Paramagnetic Resonance Spectroscopy

    Article • ChemInform, November 2012, Wiley

    Dr Piotr Pietrzyk

  35. Preparation and characterization of SBA-1–supported chromium oxide catalysts for CO2 assisted dehydrogenation of propane

    Article • Microporous and Mesoporous Materials, October 2012, Elsevier

    Dr Piotr Pietrzyk

  36. Electron Paramagnetic Resonance Spectroscopy

    Article • April 2012, Wiley

    Dr Piotr Pietrzyk

  37. Selective catalytic reduction of NO with propene over cobalt centers in beta zeolite

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  38. Heterogeneous Binding of Dioxygen: EPR and DFT Evidence for Side-On Nickel(II)–Superoxo Adduct with Unprecedented Magnetic Structure Hosted in MFI Zeolite

    Article • Journal of the American Chemical Society, November 2011, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  39. Role of NOδ+ Intermediates in NO Reduction with Propene over NiZSM-5 Zeolite Revealed by EPR and IR Spectroscopic Investigations and DFT Modeling

    Article • The Journal of Physical Chemistry C, June 2011, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  40. THE ROLE OF INTERMEDIATE CALCIUM ALUMINATE PHASES IN SOLID STATE SYNTHESIS OF MAYENITE (Ca 12 Al 14 O 33 )

    Article • Functional Materials Letters, June 2011, World Scientific Pub Co Pte Lt

    Professor Andrzej Kotarba, Dr Piotr Pietrzyk

  41. Magnetic Properties of Monomer and Dimer Tetrahedral VO x Entities Dispersed on Amorphous Silica-based Materials: Prediction of EPR Parameters from Relativistic DFT Calculations and Broken Symmetry Approach to Exchange Couplings

    Article • Applied Magnetic Resonance, March 2011, Springer Science + Business Media

    Dr Piotr Pietrzyk

  42. Spin Ground State and Magnetic Properties of Cobalt(II): Relativistic DFT Calculations Guided by EPR Measurements of Bis(2,4-acetylacetonate)cobalt(II)-Based Complexes

    Article • The Journal of Physical Chemistry A, February 2011, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  43. Spectroscopic CW-EPR and HYSCORE investigations of Cu2+ and O2− species in copper doped nanoporous calcium aluminate (12CaO·7Al2O3)

    Article • Physical Chemistry Chemical Physics, January 2010, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  44. Investigations into the Structure of Nitrogen-Containing CMK-3 and OCM-0.75 Carbon Replicas and the Nature of Surface Functional Groups by Spectroscopic and Sorption Techniques

    Article • The Journal of Physical Chemistry C, December 2009, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  45. Resolving Conformation Dichotomy for Y‐ and T‐Shaped Three‐Coordinate NiI Carbonyl Complexes with Relativistic DFT Analysis of EPR Fingerprints

    Article • Chemistry - A European Journal, November 2009, Wiley

    Dr Piotr Pietrzyk

  46. DFT Analysis of g and 13C Hyperfine Coupling Tensors for Model NiI(CO)nLm (n = 1−4, L = H2O, OH−) Complexes Epitomizing Surface Nickel(I) Carbonyls

    Article • The Journal of Physical Chemistry A, November 2008, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  47. Generation, Identification, and Reactivity of Paramagnetic VO2 Centers in Zeolite BEA for Model Studies of Processes Involving Spin Pairing, Electron Transfer, and Oxygen Transfer

    Article • Journal of the American Chemical Society, October 2007, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  48. Combining computational and in situ spectroscopies joint with molecular modeling for determination of reaction intermediates of deNOx process—CuZSM-5 catalyst case study

    Article • Catalysis Today, August 2007, Elsevier

    Dr Piotr Pietrzyk

  49. Characterization of Cr−MCM-41 and Al,Cr−MCM-41 Mesoporous Catalysts for Gas-Phase Oxidative Dehydrogenation of Cyclohexane

    Article • The Journal of Physical Chemistry C, February 2007, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  50. Co2+/Co0 redox couple revealed by EPR spectroscopy triggers preferential coordination of reactants during SCR of NOx with propene over cobalt-exchanged zeolites

    Article • Chemical Communications, January 2007, Royal Society of Chemistry

    Dr Piotr Pietrzyk

  51. Computational spectroscopy and DFT investigations into nitrogen and oxygen bond breaking and bond making processes in model deNOx and deN2O reactions

    Article • Catalysis Today, January 2007, Elsevier

    Dr Piotr Pietrzyk, Professor Andrzej Kotarba

  52. Chapter 2 DFT modeling and spectroscopic investigations into molecular aspects of DeNOx catalysis

    Article • January 2007, Elsevier

    Dr Piotr Pietrzyk

  53. EPR and DFT study of NO interaction with Ni/SiO2 catalyst: Insight into mechanistic steps of disproportionation process promoted by tripodal surface nickel complex

    Article • Catalysis Today, May 2006, Elsevier

    Dr Piotr Pietrzyk

  54. DFT calculations of magnetic parameters for molybdenum complexes and hydroxymethyl intermediates trapped on silica surface

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, March 2006, Elsevier

    Dr Piotr Pietrzyk

  55. Relativistic Density Functional Calculations of EPR g Tensor for η{CuNO}11 Species in Discrete and Zeolite-Embedded States

    Article • The Journal of Physical Chemistry A, October 2005, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  56. Application of Genetic Algorithm for Extraction of the Parameters from Powder EPR Spectra

    Article • Acta Physica Polonica A, July 2005, Institute of Physics, Polish Academy of Sciences

    Dr Piotr Pietrzyk

  57. Spectroscopy and Computations of Supported Metal Adducts. 1. DFT Study of CO and NO Adsorption and Coadsorption on Cu/SiO2

    Article • The Journal of Physical Chemistry B, April 2005, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  58. EPR spectroscopy and DFT calculations of the g tensors of {VO}1/ZSM-5, {CuNO}11/ZSM-5 and {NaNO}1/ZSM-5 intrazeolitic complexes

    Article • January 2005, Elsevier

    Dr Piotr Pietrzyk

  59. Speciation of cobalt in CoZSM-5 upon thermal treatment

    Article • January 2005, Elsevier

    Dr Piotr Pietrzyk

  60. Application of the Genetic Algorithm Joint with the Powell Method to Nonlinear Least-Squares Fitting of Powder EPR Spectra

    Article • Journal of Chemical Information and Modeling, November 2004, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  61. Paramagnetic species on catalytic surfaces—DFT investigations into structure sensitivity of the hyperfine coupling constants

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, May 2004, Elsevier

    Dr Piotr Pietrzyk

  62. The interaction of Co and No with Co sites in CoZSM-5 zeolite. FTIR, EPR and theoretical studies

    Article • January 2004, Elsevier

    Dr Piotr Pietrzyk

  63. Molecular Structure, Spin Density Distribution, and Hyperfine Coupling Constants of theη1{CuNO}11Adduct in the ZSM-5 Zeolite:  DFT Calculations and Comparison with EPR Data

    Article • The Journal of Physical Chemistry B, June 2003, American Chemical Society (ACS)

    Dr Piotr Pietrzyk

  64. Speciation and structure of cobalt carbonyl and nitrosyl adducts in ZSM-5 zeolite investigated by EPR, IR and DFT techniques

    Article • January 2002, Elsevier

    Dr Piotr Pietrzyk