All Stories

  1. Self-assembly modes of glycyrrhetinic acid esters in view of the crystal packing of related triterpene molecules

    Article • Acta Crystallographica Section B Structural Science Crystal Engineering and Materials, August 2016, International Union of Crystallography

    Dr Ewa Maria Tykarska

  2. Porphyrazine with bulky 2-(1-adamantyl)-5-phenylpyrrol-1-yl periphery tuning its spectral and electrochemical properties

    Article • Polyhedron, September 2015, Elsevier

    Dr Ewa Maria Tykarska

  3. Porphyrazines with peripheral isophthaloxyalkylsulfanyl substituents and their optical properties

    Article • Journal of Photochemistry and Photobiology A Chemistry, July 2015, Elsevier

    Dr Ewa Maria Tykarska

  4. Phthalocyanine Derivatives Possessing 2-(Morpholin-4-yl)ethoxy Groups As Potential Agents for Photodynamic Therapy

    Article • Journal of Medicinal Chemistry, March 2015, American Chemical Society (ACS)

    Dr Ewa Maria Tykarska

  5. Solid-state supramolecular architecture of carbenoxolone – comparative studies with glycyrrhetinic and glycyrrhizic acids

    Article • Acta Crystallographica Section B Structural Science Crystal Engineering and Materials, January 2015, International Union of Crystallography

    Dr Ewa Maria Tykarska

  6. Influence of bulky pyrrolyl substitent on the physicochemical properties of porphyrazines

    Article • Dyes and Pigments, January 2015, Elsevier

    Dr Ewa Maria Tykarska

  7. Effect of Neighbors on the Conformational Preferences of Glycosidic Linkages in Glycyrrhizic Acid and Its Mono- and Dideprotonated Forms: X-ray, NMR, and Computational Studies

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

    Dr Ewa Maria Tykarska

  8. Phthalocyanines functionalized with 2-methyl-5-nitro-1H-imidazolylethoxy and 1,4,7-trioxanonyl moieties and the effect of metronidazole substitution on photocytotoxicity

    Article • Journal of Inorganic Biochemistry, October 2013, Elsevier

    Dr Ewa Maria Tykarska

  9. Toward Better Understanding of Isomorphism of Glycyrrhizic Acid and Its Mono- and Dibasic Salts

    Article • Crystal Growth & Design, March 2013, American Chemical Society (ACS)

    Dr Ewa Maria Tykarska

  10. Synthesis, spectroscopic and photophysical properties of novel styryldiazepinoporphyrazine

    Article • Inorganic Chemistry Communications, June 2012, Elsevier

    Dr Ewa Maria Tykarska

  11. Redetermination of rifampicin pentahydrate revealing a zwitterionic form of the antibiotic

    Article • Acta Crystallographica Section C Crystal Structure Communications, April 2012, International Union of Crystallography

    Dr Ewa Maria Tykarska

  12. Supramolecular Organization of Neutral and Ionic Forms of Pharmaceutically Relevant Glycyrrhizic Acid—Amphiphile Self-Assembly and Inclusion of Small Drug Molecules

    Article • Crystal Growth & Design, April 2012, American Chemical Society (ACS)

    Dr Ewa Maria Tykarska

  13. Synthesis, characteristics and photochemical studies of novel porphyrazines possessing peripheral 2,5-dimethylpyrrol-1-yl and dimethylamino groups

    Article • Tetrahedron Letters, April 2012, Elsevier

    Dr Ewa Maria Tykarska

  14. Engineering N-(2-pyridyl)aminoethyl alcohols as potential precursors of thermolabile protecting groups

    Article • New Journal of Chemistry, January 2012, Royal Society of Chemistry

    Dr Ewa Maria Tykarska

  15. Experimental and computational study on the reactivity of 2,3-bis[(3-pyridylmethyl)amino]-2(Z)-butene-1,4-dinitrile, a key intermediate for the synthesis of tribenzoporphyrazine bearing peripheral methyl(3-pyridylmethyl)amino substituents

    Article • Monatshefte für Chemie - Chemical Monthly, May 2011, Springer Science + Business Media

    Dr Ewa Maria Tykarska

  16. Synthesis and photochemical characteristics of novel tribenzoporphyrazines possessing peripherally annulated tetrahydrodiazepine and diazepine rings

    Article • Polyhedron, April 2011, Elsevier

    Dr Ewa Maria Tykarska

  17. Potential Aluminium(III)- and Gallium(III)-selective Optical Sensors Based on Porphyrazines

    Article • Analytical Sciences, January 2011, Japan Society for Analytical Chemistry

    Dr Ewa Maria Tykarska

  18. ChemInform Abstract: Steroidal Cyclobutanones. Part 2. Diastereofacial Selection in the Cycloaddition of Dichloroketene and 3β-Acetoxy-20a-homopregna-5, 20-diene. Crystal Structure of the Cycloadduct, (20S)-3β-Acetoxy- 20,24-cyclo-22,22-dichlorochol-5-en-

    Article • ChemInform, August 2010, Wiley

    Dr Ewa Maria Tykarska

  19. ChemInform Abstract: The Structure of Narlumicine

    Article • ChemInform, June 2010, Wiley

    Dr Ewa Maria Tykarska

  20. Synthesis and characterization of periphery-functionalized porphyrazines containing mixed pyrrolyl and pyridylmethylamino groups

    Article • Journal of Porphyrins and Phthalocyanines, February 2009, World Scientific Pub Co Pte Lt

    Dr Ewa Maria Tykarska

  21. 2-(5-Bromo-2-methyl-4-nitroimidazol-1-yl)-1-(2-chlorophenyl)ethanone

    Article • Acta Crystallographica Section E Structure Reports Online, March 2007, International Union of Crystallography

    Dr Ewa Maria Tykarska

  22. Crystal and molecular structure of the 2:1 complex of 1-piperidineacetic acid with perchloric acid

    Article • Journal of Molecular Structure, January 2004, Elsevier

    Dr Ewa Maria Tykarska

  23. Molecular structure of 1-piperidinium acid perchlorate studied by X-ray diffraction and FTIR spectroscopy

    Article • Journal of Molecular Structure, December 2002, Elsevier

    Dr Ewa Maria Tykarska

  24. Atomic resolution structure of squash trypsin inhibitor: unexpected metal coordination

    Article • Acta Crystallographica Section D Biological Crystallography, August 2002, International Union of Crystallography

    Dr Ewa Maria Tykarska

  25. Crystal and molecular structure of N-methylpiperidine betaine hydrobromide

    Article • Journal of Molecular Structure, March 2002, Elsevier

    Dr Ewa Maria Tykarska

  26. Crystal structure of a novel synthetic inhibitor of HIV-1 protease

    Article • Journal of Molecular Structure, February 2002, Elsevier

    Dr Ewa Maria Tykarska

  27. 13C CP MAS NMR, FTIR, X-ray diffraction and PM3 studies of some N-(ω-carboxyalkyl)morpholine hydrohalides

    Article • Journal of Molecular Structure, January 2001, Elsevier

    Dr Ewa Maria Tykarska

  28. X-ray, FTIR and ab initio HF studies of OHO hydrogen bond in 4-dimethylamino-2,6-dimethylpyridine N-oxide 4-toluenesulphonate. Proton transfer in O·H·O complexes and correlation between the O⋯O, C–O and N–O distances and ΔpKa

    Article • Journal of Molecular Structure, June 1999, Elsevier

    Dr Ewa Maria Tykarska

  29. Structures and hydrogen bonding in the 1:1 and 1:2 complexes of trimethylamine N–oxide with pentachlorophenol

    Article • Journal of Molecular Structure, March 1999, Elsevier

    Dr Ewa Maria Tykarska

  30. X-Ray, FTIR and quantum chemical studies of short and asymmetric hydrogen bonds in bis(2,6-dimethylpyridine-N-oxide) sulphate [2,6-(CH3)2C5H3N+OH]2[SO2−4]

    Article • Journal of Molecular Structure, October 1997, Elsevier

    Dr Ewa Maria Tykarska

  31. Hydrogen bonds in 1:2 complexes of substituted pyridine N-oxides with pentachlorophenol

    Article • Journal of Molecular Structure, February 1997, Elsevier

    Dr Ewa Maria Tykarska

  32. Differences between the N·H·O and O·H·O hydrogen bonds in complexes of 2,6-dichloro-4-nitrophenol with pyridines and pyridine N-oxides

    Article • Journal of Molecular Structure, July 1996, Elsevier

    Dr Ewa Maria Tykarska

  33. FT-IR, UV—visible and X-ray studies of complexes of pyridine N-oxides with pentachlorophenol

    Article • Journal of Molecular Structure, November 1995, Elsevier

    Dr Ewa Maria Tykarska

  34. Configuration of amidines and factors governing their hydrogen-bonding patterns

    Article • Acta Crystallographica Section B Structural Science, August 1992, International Union of Crystallography

    Dr Ewa Maria Tykarska

  35. Inhibition of enolase: the crystal structures of enolase-calcium(2+)-2-phosphoglycerate and enolase-zinc(2+)-phosphoglycolate complexes at 2.2-.ANG. resolution

    Article • Biochemistry, March 1991, American Chemical Society (ACS)

    Dr Ewa Maria Tykarska

  36. Steroidal cyclobutanones. Part 2. Diastereofacial selection in the cycloaddition of dichloroketene and 3β-acetoxy-20a-homopregna-5,20-diene. Crystal structure of the cycloadduct, (20S)-3β-acetoxy-20,24-cyclo-22,22-dichlorochol-5-en-23-one

    Article • Journal of the Chemical Society Perkin Transactions 2, January 1991, Royal Society of Chemistry

    Dr Ewa Maria Tykarska

  37. Conformation of 1-benzyloxy-4-methoxypyridinium perchlorate: X-ray, AM1 and PM3 studies

    Article • Journal of the Chemical Society Perkin Transactions 2, January 1991, Royal Society of Chemistry

    Dr Ewa Maria Tykarska

  38. Crystallization of alcohol oxidase fromPichia pastoris. Secondary structure predictions indicate a domain with the eightfold ?/?-barrel fold

    Article • Journal of Protein Chemistry, February 1990, Springer Science + Business Media

    Dr Ewa Maria Tykarska

  39. The structures of three N1,N1-dimethyl-N2-p-nitrophenylamidines: form-, acet- and 2,2-dimethylpropanamidine

    Article • Acta Crystallographica Section C Crystal Structure Communications, March 1989, International Union of Crystallography

    Dr Ewa Maria Tykarska

  40. Structure of N1-methyl-N1-phenyl-N2-(p-tolyl)benzamidine

    Article • Acta Crystallographica Section C Crystal Structure Communications, December 1986, International Union of Crystallography

    Dr Ewa Maria Tykarska

  41. Crystallization and crystallographic data for new forms of thymidylate synthase from Lactobacillus casei

    Article • Journal of Molecular Biology, September 1986, Elsevier

    Dr Ewa Maria Tykarska

  42. Structure of N2-(p-methoxyphenyl)-N1,N1-pentamethylenebenzamidine

    Article • Acta Crystallographica Section C Crystal Structure Communications, June 1986, International Union of Crystallography

    Dr Ewa Maria Tykarska

  43. Structure of ethyl 1-cyano-1,2-dihydro-2-isoquinolinecarboxlate

    Article • Acta Crystallographica Section C Crystal Structure Communications, June 1986, International Union of Crystallography

    Dr Ewa Maria Tykarska

  44. Structure of 2-benzoyl-1,2-dihydro-1-isoquinolinecarbonitrile

    Article • Acta Crystallographica Section C Crystal Structure Communications, December 1985, International Union of Crystallography

    Dr Ewa Maria Tykarska

  45. Structure of 2-benzoyl-1,2,3,4-tetrahydro-1-isoquinolinecarbonitrile, C17H14N2O

    Article • Acta Crystallographica Section C Crystal Structure Communications, June 1984, International Union of Crystallography

    Dr Ewa Maria Tykarska