Piotr P Wieczorek: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

51

Crystal and molecular structure and determination of absolute configuration of two enantimers of methoxycarbonylmethyl carboxymethyl sulfoxide

Michał W. Wieczorek, Jarosław Błaszczyk, Marian Mikołajczyk, Piotr Kiełbasiń, ski, Remigiusz ŻurawińSki

Journal:

Heteroatom Chemistry

Year:

1994

Language:

english

File:

PDF, 408 KB

english, 1994

52

Crystal and molecular structures of diastereomeric 2-phosphoryl-, 2-thiophosphoryl-, and 2-selenophosphoryl-substituted 1,3-dithianes

Michał W. Wieczorek, Grzegorz D. Bujacz, Wiesław R. Majzner, Piotr P. Graczyk, Marian Mikołajczyk

Journal:

Heteroatom Chemistry

Year:

1995

Language:

english

File:

PDF, 690 KB

english, 1995

53

Crystal and molecular structure of cyclic sulfoxides: 2-cyano-2-ethoxycarbonyl-3,6-dihydro-4,5-dimethyl-2H-thiapyran 1-oxide and 2-phenyl-2-methoxycarbonyl-3,6-dihydro-2H-thiapyran 1-oxide

Michał W. Wieczorek, Jarosław Błaszczyk, Błażej Dziuba, Piotr Kiełbasiński, Marian Mikołajczyk, Binne Zwanenburg, Johannes B. M. Rewinkel

Journal:

Heteroatom Chemistry

Year:

1995

Language:

english

File:

PDF, 604 KB

english, 1995

54

Synthesis of Peptides with α,β-Dehydroamino Acids, I. Synthesis of N-Benzyloxycarbonyl and N-Trifluoroacetyl Dipeptides of Dehydroalanine and Dehydrophenylalanine

Maciej Makowski, Barbara Rzeszotarska, Zbigniew Kubica, Piotr Wieczorek

Journal:

European Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 475 KB

english, 1984

55

Identification and characterization of acute infection with parvovirus B19 genotype 2 in immunocompromised patients in Poland

Piotr Grabarczyk, Aleksandra Kalińska, Mahmut Kara, Renata Wieczorek, Anna Ejduk, Ewa Sulkowska, Sydonia Gołębiowska-Staroszczyk, Michał Matysiak, Sally A. Baylis, Ewa Brojer

Journal:

Journal of Medical Virology

Year:

2011

Language:

english

File:

PDF, 315 KB

english, 2011

56

Supported liquid membrane separation of amine and amino acid derivatives with chiral esters of phosphoric acids as carriers

Paweł Dżygiel, Piotr Wieczorek, Paweł Kafarski

Journal:

Journal of Separation Science

Year:

2003

Language:

english

File:

PDF, 370 KB

english, 2003

57

Studies of polyamines transport through liquid membranes with D2EHPA as a carrier

Katarzyna Dziarkowska, Katarzyna Koprek, Piotr P. Wieczorek

Journal:

Journal of Separation Science

Year:

2008

Language:

english

File:

PDF, 624 KB

english, 2008

58

Picosecond fluorescence anisotropy measured by frequency conversion

Piotr Myslinski, Dariusz Wieczorek, Krzysztof Kownacki

Journal:

Chemical Physics Letters

Year:

1989

Language:

english

File:

PDF, 467 KB

english, 1989

59

Transport of dipeptides and phosphono dipeptides through an immobilized liquid membrane. Stereoselectivity of the process

Piotr Wieczorek, Anna Kocorek, Marek Bryjak, Pawel̵ Kafarski, Barbara Lejczak

Journal:

Journal of Membrane Science

Year:

1993

Language:

english

File:

PDF, 709 KB

english, 1993

60

Enantioselective transport of amino acid through supported chiral liquid membranes

Marek Bryjak, Jerzy Kozl̵owski, Piotr Wieczorek, Pawel̵ Kafarski

Journal:

Journal of Membrane Science

Year:

1993

Language:

english

File:

PDF, 693 KB

english, 1993

61

Peptides analysis in blood plasma using on-line system of supported liquid membrane and high-performance liquid chromatography

Anna Drapała, Jan Åke Jönsson, Piotr Wieczorek

Journal:

Analytica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 129 KB

english, 2005

62

Single hollow fiber SLM extraction of polyamines followed by tosyl chloride derivatization and HPLC determination

Katarzyna Dziarkowska, Jan Ǻke Jönsson, Piotr P. Wieczorek

Journal:

Analytica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 1.17 MB

english, 2008

63

Determination of glyphosate and its metabolite aminomethylphosphonic acid in fruit juices using supported-liquid membrane preconcentration method with high-performance liquid chromatography and UV detection after derivatization with p-toluenesulphonyl chloride

Maxim V. Khrolenko, Piotr P. Wieczorek

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 270 KB

english, 2005

64

Enantiodifferentiation of N-benzyloxycarbonylaminophosphonic and phosphinic acids and their esters using cyclodextrins by means of capillary electrophoresis

Ewa Rudzińska, Anna Poliwoda, Łukasz Berlicki, Artur Mucha, Paweł Dżygiel, Piotr P. Wieczorek, Paweł Kafarski

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 383 KB

english, 2007

65

The difference in reactivity of (−)-mono and dimenthyl vs. diethyl alkylphosphonates in the α-lithiation reaction: Carbanionic synthesis of unknown (−)-dimenthyl 1-iodoalkylphosphonates and their first use in the radical iodine atom transfer addition (I-ATRA) and cyclisation (I-ATRC) reactions

Piotr Bałczewski, Aldona Szadowiak, Agnieszka Bodzioch, Tomasz Białas, Wanda M. Wieczorek, Małgorzata Szyrej

Journal:

Journal of Organometallic Chemistry

Year:

2007

Language:

english

File:

PDF, 614 KB

english, 2007

66

Crotonic acid as a bioactive factor in carrot seeds (Daucus carota L.)

Izabela Jasicka-Misiak, Piotr P. Wieczorek, Paweł Kafarski

Journal:

Year:

2005

Language:

english

File:

PDF, 194 KB

english, 2005

67

Transport mechanism of peptides through supported liquid membranes

Anna Poliwoda, Natalia Ilczuk, Piotr P. Wieczorek

Journal:

Separation and Purification Technology

Year:

2007

Language:

english

File:

PDF, 433 KB

english, 2007

68

Synthesis of both RP and SP enantiomers of unsymmetrical methylphosphonates based on a new approach utilizing a P-ester bond with α-hydroxyacids

Piotr Bałczewski, Aldona Szadowiak, Tomasz Białas, Wanda M. Wieczorek, Agnieszka Balińska

Journal:

Tetrahedron: Asymmetry

Year:

2006

Language:

english

File:

PDF, 544 KB

english, 2006

69

Enzyme-promoted desymmetrisation of prochiral bis(cyanomethyl)phenylphosphine oxide

Piotr Kiełbasiński, Michał Rachwalski, Małgorzata Kwiatkowska, Marian Mikołajczyk, Wanda M. Wieczorek, Małgorzata Szyrej, Lesław Sieroń, Floris P.J.T. Rutjes

Journal:

Tetrahedron: Asymmetry

Year:

2007

Language:

english

File:

PDF, 235 KB

english, 2007

70

Enzyme-promoted desymmetrization of bis(2-hydroxymethylphenyl) sulfoxide as a route to tridentate chiral catalysts

Michał Rachwalski, Małgorzata Kwiatkowska, Józef Drabowicz, Marcin Kłos, Wanda M. Wieczorek, Małgorzata Szyrej, Lesław Sieroń, Piotr Kiełbasiński

Journal:

Tetrahedron: Asymmetry

Year:

2008

Language:

english

File:

PDF, 372 KB

english, 2008

71

Supported liquid membrane extraction of aromatic aminophosphonates

Mariusz Rak, Pawel Dżygiel, Piotr Wieczorek

Journal:

Analytica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 140 KB

english, 2001

72

Concentration of amino acids using supported liquid membranes with di-2-ethylhexyl phosphoric acid as a carrier

Piotr Wieczorek, Jan Åke Jönsson, Lennart Mathiasson

Journal:

Analytica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 597 KB

english, 1997

73

Extraction of short peptides using supported liquid membranes

Anna Drapala, Piotr Wieczorek

Journal:

Year:

2002

Language:

english

File:

PDF, 497 KB

english, 2002

74

Facilitated SLM extraction of peptides with D2EHPA as a carrier

Anna Drapała, Piotr Wieczorek

Journal:

Year:

2004

Language:

english

File:

PDF, 535 KB

english, 2004

75

Extraction of glyphosate by a supported liquid membrane technique

Paweł Dżygiel, Piotr Wieczorek

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 85 KB

english, 2000

76

Determination of optical purity of phosphonic acid analogues of aromatic amino acids by capillary electrophoresis with α-cyclodextrin

Paweł Dżygiel, Ewa Rudzińska, Piotr Wieczorek, Paweł Kafarski

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 179 KB

english, 2000

77

Separation of aromatic aminophosphonic acid enantiomers by capillary electrophoresis with the application of cyclodextrins

Ewa Rudzińska, Paweł Dżygiel, Piotr Wieczorek, Paweł Kafarski

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 525 KB

english, 2002

78

Combination of supported liquid membrane and solid-phase extraction for sample pretreatment of triazine herbicides in juice prior to capillary electrophoresis determination

Maxim Khrolenko, Paweł Dżygiel, Piotr Wieczorek

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 394 KB

english, 2002

79

Enantiomeric separation of amino acids by capillary electrophoresis with α-cyclodextrin

Paweł Dżygiel, Piotr Wieczorek, Jan Åke Jönsson

Journal:

Journal of Chromatography A

Year:

1998

Language:

english

File:

PDF, 178 KB

english, 1998

80

Solid state conformation of the anomeric effect in 2-phosphoryl-, 2-thiophosphoryl- and 2-selenophosphoryl-substituted 1,3-dithiolanes

Marian Mikołajczyk, Tomasz Łuczak, Piotr P. Graczyk, Michał W. Wieczorek, Jarosław Błaszczyk, Grzegorz D. Bujacz, Wiesław R. Majzner

Journal:

Journal of Organometallic Chemistry

Year:

1997

Language:

english

File:

PDF, 501 KB

english, 1997

81

Synthesis and conformation of 2-dimethoxyphosphoryl-1,3-diselenanes. The first evidence for SeCP anomeric interactions.

Marian Mikołajczyk, Maciej Mikina, Piotr Graczyk, Michał W. Wieczorek, Grzegorz Bujacz

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 263 KB

english, 1991

82

A solution and solid state conformation of 2-phosphoryl substituted 1,3-oxathianes

Marian Mikołajczyk, Piotr Graczyk, Michał W. Wieczorek, Grzegorz Bujacz

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 240 KB

english, 1988

83

Extraction of amino acids with emulsion liquid membranes using industrial surfactants and lecithin as stabilisers

Pawel Dzygiel, Piotr Wieczorek

Journal:

Journal of Membrane Science

Year:

2000

Language:

english

File:

PDF, 159 KB

english, 2000

84

Factors influencing the transport of tryptophan hydrochloride through supported liquid membranes containing macrocyclic carriers

Piotr Wieczorek

Journal:

Journal of Membrane Science

Year:

1997

Language:

english

File:

PDF, 460 KB

english, 1997

85

High-performance liquid chromatographic enantiomer separation and determination of absolute configurations of phosphinic acid analogues of dipeptides and their α-aminophosphinic acid precursors

Michael Lämmerhofer, Dieter Hebenstreit, Elena Gavioli, Wolfgang Lindner, Artur Mucha, Paweł Kafarski, Piotr Wieczorek

Journal:

Tetrahedron: Asymmetry

Year:

2003

Language:

english

File:

PDF, 246 KB

english, 2003

86

Enzyme-promoted kinetic resolution of racemic, P-chiral phosphonyl and phosphorylacetates

Piotr Kiełbasiński, Piotr Góralczyk, Marian Mikołajczyk, Michał W. Wieczorek, Wiesław R. Majzner

Journal:

Tetrahedron: Asymmetry

Year:

1998

Language:

english

File:

PDF, 251 KB

english, 1998

87

Stereoselective synthesis of 2-amino-1-hydroxy-3-phenylpropylphosphonic acid

Jan Zygmunt, Roman Gancarz, Barbara Lejczak, Piotr Wieczorek, Pawel Kafarski

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1996

Language:

english

File:

PDF, 212 KB

english, 1996

88

Assessment of early toxicity of concomitant radio-chemotherapy in the treatment of locally advanced cervical cancer

Andrzej Wieczorek, Piotr Kędzierawski, Jolanta Smok-Kalwat, Paweł Banatkiewicz

Journal:

Reports of Practical Oncology & Radiotherapy

Year:

2002

Language:

english

File:

PDF, 92 KB

english, 2002

89

Podsumowanie rocznych wyników kontroli odtwarzalności napromieniania w świętokrzyskim centrum onkologii

Andrzej Dąbrowski, Paweł Kukołowicz, Piotr Kędzierawski, Andrzej Wieczorek, Piotr Gut, Leszek Chmielewski

Journal:

Reports of Practical Oncology & Radiotherapy

Year:

2003

Language:

polish

File:

PDF, 510 KB

polish, 2003

90

The results of postoperative irradiation in malignant glioma patients

Agnieszka Florek, Andrzej Wieczorek, Bogumił Selerski, Ryszard Mężyk, Stanisław Góźdź, Piotr Kędzierawski

Journal:

Reports of Practical Oncology & Radiotherapy

Year:

2005

Language:

english

File:

PDF, 609 KB

english, 2005

91

Inhomogeneity of gel and microsyneresis in porous styrene-divinylbenzene copolymers

Henryk Galina, Bozena N. Kolarz, Piotr P. Wieczorek, Maria Wojczynska

Journal:

Polymer International

Year:

1985

Language:

english

File:

PDF, 429 KB

english, 1985

92

Plant-growth-regulating phosphono peptides

Piotr Wieczorek, Barbara Lejczak, Malgorzata Kaczanowska, Pawel Kafarski

Journal:

Pest Management Science

Year:

1990

Language:

english

File:

PDF, 603 KB

english, 1990

93

Herbicidal activity of derivatives of 9-aminofluoren-9-ylphosphonic acid

Hubert Wojtasek, Piotr Wieczorek, Barbara Lejczak, Bogdan Boduszek, Roman Gancarz, Pawel Kafarski

Journal:

Pest Management Science

Year:

1991

Language:

english

File:

PDF, 332 KB

english, 1991

94

Herbicidal activity of phosphonic and phosphinic acid analogues of glutamic and aspartic acids

Dorota Miliszkiewicz, Piotr Wieczorek, Barbara Lejczak, Ewa Kowalik, Pawel Kafarski

Journal:

Pest Management Science

Year:

1992

Language:

english

File:

PDF, 364 KB

english, 1992

95

Plant-growth-regulating N-(phosphonoacetyl)amines

Piotr Wieczorek, Dorota Miliszkiewicz, Barbara Lejczak, Miroslaw Soroka, Pawel Kafarski

Journal:

Pest Management Science

Year:

1994

Language:

english

File:

PDF, 375 KB

english, 1994

96

Synthesis and herbicidal activity of isoxazole-substituted 1-aminoethylphosphonates and 1-hydroxyethylphosphonates

Witold Wielkopolski, Robert Śmieszek, Stanislaw Witek, Andrzej Dabrowski, Piotr Wieczorek, Barbara Lejczak, Pawel Kafarski

Journal:

Pest Management Science

Year:

1994

Language:

english

File:

PDF, 412 KB

english, 1994

97

Herbicidal activity of phosphonic, phosphinic, and phosphonous acid analogues of phenylglycine and phenylalanine

Paweł Kafarski, Barbara Lejczak, Roman Tyka, Lucyna Koba, Elżbieta Pliszczak, Piotr Wieczorek

Journal:

Journal of Plant Growth Regulation

Year:

1995

Language:

english

File:

PDF, 383 KB

english, 1995

98

Sample pretreatment techniques for oligopeptide analysis from natural sources

Anna Poliwoda, Piotr P. Wieczorek

Journal:

Analytical and Bioanalytical Chemistry

Year:

2009

Language:

english

File:

PDF, 226 KB

english, 2009

99

Modulo Constraints and the Complexity of

Jerzy Marcinkowski, Piotr Wieczorek

Journal:

Theory of Computing Systems

Year:

2009

Language:

english

File:

PDF, 678 KB

english, 2009

100

Comparison of productivity and phytoplankton in a warm (Kongsfjorden) and a cold (Hornsund) Spitsbergen fjord in mid-summer 2002

Kasia Piwosz, Wojciech Walkusz, Ryszard Hapter, Piotr Wieczorek, Haakon Hop, Józef Wiktor

Journal:

Year:

2009

Language:

english

File:

PDF, 710 KB

english, 2009

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски