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A. Zimniak · SciRah

Researcher profile · Semantic Scholar

A. Zimniak

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A. Zimniak — researcher profile on SciRah

h-index: 9
Works: 41
Citations: 2,276

Most-cited papers

Intracellular pH measurements in Ehrlich ascites tumor cells utilizing spectroscopic probes generated in situ.
John A. Thomas, R. Buchsbaum, A. Zimniak, E. Racker
1979Biochemistry2,105 citations
Semantic Scholar
Inhibition of lactate transport in Ehrlich ascites tumor cells and human erythrocytes by a synthetic anhydride of lactic acid.
J. H. Johnson, Judith A. Belt, William P. Dubinsky, A. Zimniak +1 more
1980Biochemistry41 citations
Semantic Scholar
Synthesis and antibacterial activity of bis-[2-hydroxy-3-(1,7,8,9,10-pentamethyl-3,5-dioxo-4-aza-tricyclo[5.2.1.0(2,6)]dec-8-en-4-yloxy)-propyl]-dimethyl-ammonium chloride.
M. Struga, J. Kossakowski, J. Stefanska, A. Zimniak +1 more
2008European journal of medicinal chemistry17 citations
Semantic Scholar
Inhibition of hexokinase and protein kinase activities of tumor cells by a chloromethyl ketone derivative of lactic acid.
J. H. Johnson, A. Zimniak, E. Racker
1982Biochemistry13 citations
Semantic Scholar
SOLVENT-DEPENDENT CONFORMATIONAL TRANSITIONS IN DEACETYLCEPHALOTHIN INVESTIGATED BY 1H NMR AND IR
A. Zimniak, I. Oszczapowicz, A. Sikora, I. Wawer
199812 citations
Semantic Scholar
Glucuronidation of monohydroxylated short chain bile acids by human liver microsomes and purified human liver UDP-glucuronosyltransferases.
Y. Irshaid, A. Radominska, P. Zimniak, A. Zimniak +2 more
1991Drug Metabolism And Disposition12 citations
Semantic Scholar
Structural studies of bis(μ2-acetophenoniminato)-bis(tricarbonyliron) by NMR and X-ray diffraction: deviations from symmetry in anti and syn isomers
A. Zimniak, J. Zachara
199711 citations
Semantic Scholar
The synthesis of new diastereomers of (4S,8aS)- and (4R,8aS)-4-phenyl-perhydropyrrole[1,2-a]pyrazine-1,3-dione
F. Herold, M. Dawidowski, I. Wolska, A. Chodkowski +3 more
200710 citations
Semantic Scholar
Molecular properties of a bis(ketoiminato)-bis(tricarbonyliron) complex obtained by symmetric cleavage from acetophenone azine. Idealized symmetry in anti and syn isomers studied by X-ray diffraction, NMR and density functional theory
A. Zimniak, G. Bakalarski
20019 citations
Semantic Scholar
Comparative 13C relaxation study of R and S isomers of the 1‐acetoxyethyl ester of cefuroxime. Influence of C—H bond lengths on relaxation data consistency
A. Ejchart, A. Zimniak, I. Oszczapowicz, H. Szatyłowicz
19989 citations
Semantic Scholar
Molecular properties of a bis(1,1-diphenylallenylidene)-octacarbonyltriiron complex obtained by symmetric cleavage from 1,1,6,6-tetraphenylhexapentaene. Idealized symmetry studied in synperiplanar and synclinal conformers by X-ray diffraction, NMR and density functional theory
A. Zimniak, G. Bakalarski
20017 citations
Semantic Scholar
The potential for the indirect crystal structure verification of methyl glycosides based on acetates’ parent structures: GIPAW and solid-state NMR approaches
Ł. Szeleszczuk, T. Gubica, A. Zimniak, D. M. Pisklak +3 more
20176 citations Open access
Semantic Scholar
Synthesis of New 1,3-Thiazepine Derivatives
M. Struga, J. Kossakowski, Barbara Mirosław, A. Kozioł +1 more
20095 citations
Semantic Scholar
Structural studies of the C4H8N2Fe2(CO)6 complex obtained by cyclization of acetaldazine in the presence of dodecacarbonyl-triiron: investigations by X-ray diffraction and NMR of μ-1,2-(1,2-diaza-3-methylcyclopentane)diyl-bis(tricarbonyliron)
A. Zimniak
20024 citations
Semantic Scholar
Investigation of the reaction product of 1,4,7,10-tetraphenyl-cyclododecahexa-1,2,3,7,8,9-ene with dodecacarbonyl-triiron by X-ray diffraction and MS: comparative structural study of the hexacarbonyl-μ2-(1η2-1,2-ene-2η3-3,4,5-allyl-1σ1-5)diiron(FeFe) system
A. Zimniak, J. Zachara, M. Olejnik
19994 citations
Semantic Scholar
Esters of cephalosporins. Part VI. Properties of the beta-form of 1-acetoxyethyl ester of cefuroxime.
I. Oszczapowicz, B. Tejchman, A. Zimniak, J. Oszczapowicz
1998Acta Poloniae Pharmaceutica - Drug Research3 citations
Semantic Scholar
Influence of acetylation on anomeric effect in methyl glycosides
T. Gubica, A. Zimniak, Ł. Szeleszczuk, K. Dąbrowska +2 more
2018Molecular Physics2 citations Open access
Semantic Scholar
A new polymorph of a carbonyliron complex from tetraphenylhexapentaene: bis(μ3,η2,σ2-diphenylallenylidene)octacarbonyltriiron
J. Zachara, A. Zimniak
19992 citations
Semantic Scholar
An Azomethylene Carbonyliron Complex from 4,4'-Dimethylbenzaldazine, μ2,η2,σ3-(4-Methylbenz-1-al)hydrazone-N1-(5-methylbenzylidene)hexacarbonyldiiron
J. Zachara, A. Zimniak
19982 citations
Semantic Scholar
The method of daunorubicin purification.
W. Slawinski, I. Oszczapowicz, K. Cichocka, A. Zimniak
2001Acta Poloniae Pharmaceutica - Drug Research1 citations
Semantic Scholar
Isolation and characterization of proteolipids from sarcoplasmic reticulum
A. Knowles, P. Zimniak, M. Alfonzo, A. Zimniak +1 more
1980Journal of Membrane Biology1 citations
Semantic Scholar
SYNTHESIS, STRUCTURE AND PHARMACOLOGICAL EVALUATION OF 1-(1H-PYRROL-1-YLMETHYL)-4-AZATRICYCLO[5.2.1.0(2,6)] DEC-8-ENE-3,5-DIONE.
Magdalena Pakosińska-Parys, A. Zimniak, A. Chodkowska, E. Jagiełło-wójtowicz +2 more
2016Acta Poloniae Pharmaceutica - Drug Research0 citations
Semantic Scholar
CONFORMATIONAL FLEXIBILITY OF BUSPIRONE ANALOGUES FROM X-RAY IN THE SOLIDS AND NMR IN SOLUTION
A. Bielenica, A. Zimniak, I. Dyba, A. Kozio +1 more
20100 citations
Semantic Scholar
Synthesis of New 1,3‐Thiazepine Derivatives.
M. Struga, J. Kossakowski, Barbara Mirosław, A. Kozioł +1 more
20090 citations
Semantic Scholar
The hydrogen-bonding network in deacetylcephalothin.
J. Zachara, I. Madura, A. Zimniak, I. Oszczapowicz +1 more
2005Acta Crystallographica Section C: Crystal Structure Communications0 citations
Semantic Scholar
Electron ionization-induced fragmentation of R2N2Fe2(CO)6 complexes with distinct geometries of the tetrahedral core: investigation of mu-1,2-(1,2-diaza-3-methylcyclopentane)diylbis(tricarbonyliron) and bis(mu2-acetophenoniminato)bis(tricarbonyliron).
A. Zimniak
2002Journal of Mass Spectrometry0 citations
Semantic Scholar
Hydrogen bond networks of solid cephalosporins - comparison with their biological activity
I. Madura, J. Zachara, A. Zimniak, I. Oszczapowicz
20000 citations Open access
Semantic Scholar
CONFORMATIONAL TEMPERATURE EFFECTS IN DEACETYLCEPHALOTHIN INVESTIGATED BY EXPERIMENTAL AND SIMULATED 1H NMR
A. Zimniak, I. Oszczapowicz, A. Sikora, I. Wawer
19980 citations
Semantic Scholar
Intra-molecular dunamics in biologically active 3H-pyrido[2,3-d]pyrimidin4-on derivatives investigated by H NMR
J. Kleps, M. Klonowska, H. Szatyłowicz, A. Zimniak
19980 citations
Semantic Scholar
INTRA-MOLECULAR DYNAMICS IN BIOLOGICALLY ACTIVE 3H-PYRIDO2,3-DPYRIMIDIN-4-ON DERIVATIVES INVESTIGATED BY 1H NMR
J. Kleps, M. Klonowska, H. Szatyłowicz, A. Zimniak
19980 citations
Semantic Scholar
Relaxation of 13-C Nuclei in Structural Study on Isomers of Cephalosporin Cefuroxime Axetil
A. Ejchart, A. Zimniak, I. Oszczapowicz, H. Szatyłowicz
19970 citations
Semantic Scholar
NMR Structural Investigations on R and S Isomers of Cefuroxime Axetil Antibiotic Exhibiting Different Activity in Human
A. Zimniak, I. Oszczapowicz, H. Szatyłowicz, W. Jakubowski
19950 citations
Semantic Scholar
CUMULENE COMPLEXES WITH METAL CARBONYLS. VI. A COMPARISON OF REACTIVITIES OF BUTATRIENES AND THEIR COMPLEXES WITH IRON CARBONYL (FE2(CO)6) IN THE PRESENCE OF HALOGENS
A. Zimniak, W. Jasiobedzki, H. Koseda
19780 citations
Semantic Scholar
POSSIBILITIES OF SPECTROSCOPIC IDENTIFICATION OF GEOMETRIC ISOMERS IN THE SYSTEM OF TETRAARYLBUTATRIENE
W. Jasiobedzki, A. Zimniak
19760 citations
Semantic Scholar
CUMULENE COMPLEXES WITH METAL CARBONYLS. IV. INVESTIGATIONS ON GEOMETRIC ISOMERISM OF TETRASUBSTITUTED BUTATRIENE COMPLEXES WITH TETRACARBONYLIRON
A. Zimniak, W. Jasiobedzki, M. Heine
19760 citations
Semantic Scholar
COMPLEXES OF CUMULENES WITH METAL CARBONYLS PART 3, INFLUENCE OF SPATIAL STRUCTURE ON THE COURSE AND PRODUCTS OF THE REACTION WITH IRON CARBONYLS
A. Zimniak, W. Jasiobedzki
19750 citations
Semantic Scholar
CUMULENE COMPLEXES OF METAL CARBONYLS PART 2, PREPARATION AND PRELIMINARY INVESTIGATION OF THE STRUCTURE OF 1,4,7,10-TETRAPHENYL-CYCLODODECAHEXA-1,2,3,7,8,9-ENE-HEXACARBONYLDIIRON AND -OCTACARBONYLDIIRON COMPLEXES BY SPECTRAL AND CHEM
A. Zimniak, W. Jasiobedzki
19750 citations
Semantic Scholar
REACTIONS OF ACETYLENIC GAMMA-GLYCOLS PART 18, CUMELENE-ENYNE REARRANGEMENT IN REACTIONS LEADING TO AS-DIPHENYLBUTATRIENE
W. Jasiobedzki, A. Zimniak, T. Glinka
19750 citations
Semantic Scholar
REACTIONS OF ACETYLENIC GAMMA-GLYCOLS PART 17, MASS SPECTRA OF SOME 2,2-DIPHENYLHYDROFURANS
W. Jasiobedzki, E. Wesołowska, A. Zimniak
19750 citations
Semantic Scholar
HEXACARBONYLDIIRON COMPLEXES OF BUTATRIENE DERIVATIVES
A. Zimniak, W. Jasiobedzki
19740 citations
Semantic Scholar
ACETYLEN-GAMMA-GLYKOL-RK. 15. MITT. ACETYLEN-ALLEN-UMLAGERUNGEN BEI RK. EINES PRIM.-TERT. DIOLS
Wieslaw Jasiobedzki, Wieslaw Wawiernia, A. Zimniak
19730 citations
Semantic Scholar

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