David SHUGAR: search on Z-Library

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

Don't use scam websites

1

Personality Traits Associated with Genetic Counselor Compassion Fatigue: The Roles of Dispositional Optimism and Locus of Control

Marie C. Injeyan, Cheryl Shuman, Andrea Shugar, David Chitayat, Eshetu G. Atenafu, Amy Kaiser

Journal:

Journal of Genetic Counseling

Year:

2011

Language:

english

File:

PDF, 979 KB

english, 2011

2

The measurement of lysozyme activity and the ultra-violet inactivation of lysozyme

Journal:

Biochimica et Biophysica Acta

Year:

1952

Language:

english

File:

PDF, 507 KB

english, 1952

3

Red-ox transformations of NAD+ model compounds

Maria Miller, Barbara Czochralska, David Shugar

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1982

Language:

english

File:

PDF, 725 KB

english, 1982

4

Crystal structure of the ternary complex of E. coli purine nucleoside phosphorylase with formycin B, a structural analogue of the substrate inosine, and phosphate (sulphate) at 2.1 Å resolution

Gertraud Koellner, Marija Luić, David Shugar, Wolfram Saenger, Agnieszka Bzowska

Journal:

Journal of Molecular Biology

Year:

1998

Language:

english

File:

PDF, 1.36 MB

english, 1998

5

Methods in enzymology: Volume 183 molecular evolution: Computer analysis of protein and nucleic acid sequences : Edited by Russell F. Doolittle; Academic Press; New York, 1990; xxix + 736 pages; $85.00

Journal:

Year:

1991

Language:

english

File:

PDF, 359 KB

english, 1991

6

Wavelength-Selective Solar Photovoltaic Systems: Powering Greenhouses for Plant Growth at the Food-Energy-Water Nexus

Loik, Michael E., Carter, Sue A., Alers, Glenn, Wade, Catherine E., Shugar, David, Corrado, Carley, Jokerst, Devin, Kitayama, Carol

Journal:

Year:

2017

Language:

english

File:

PDF, 21.48 MB

english, 2017

7

A rockfall-induced glacial lake outburst flood, Upper Barun Valley, Nepal

Byers, Alton C., Rounce, David R., Shugar, Dan H., Lala, Jonathan M., Byers, Elizabeth A., Regmi, Dhananjay

Journal:

Landslides (Springer)

Year:

2019

Language:

english

File:

PDF, 26.15 MB

english, 2019

8

Absorption Spectra and Structure of Barbituric Acid Derivatives as a Function of pH

Jack J. Fox, David Shugar

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1952

Language:

english

File:

PDF, 803 KB

english, 1952

9

Absorption spectra and structure of 2-thiouracil derivatives as a function of pH

David Shugar, Jack J. Fox

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1952

Language:

english

File:

PDF, 678 KB

english, 1952

10

ChemInform Abstract: Nucleoside H-Phosphonates. Part 18. Synthesis of Unprotected Nucleoside 5′-H-Phosphonates and Nucleoside 5′-H-Phosphonothioates and Their Conversion into the 5′-Phosphorothioate and 5′-Phosphorodithioate Monoesters.

Jadwiga Jankowska, Anna Sobkowska, Jacek Cieslak, Michal Sobkowski, Adam Kraszewski, Jacek Stawinski, David Shugar

Journal:

Year:

1999

File:

PDF, 33 KB

1999

11

ChemInform Abstract: 1-(β-D-Ribofuranosyl)-6-propylcytosine.

Karin Bjaamer Birnbaum, David Shugar, Krzysztof Felczak

Journal:

Year:

1999

File:

PDF, 27 KB

1999

12

ChemInform Abstract: Synthesis, Conformation and Biological Properties of Selenonucleosides

Krzysztof Felczak, Agnieszka Miazga, Barbara Golos, Wojciech Rode, David Shugar, Tadeusz Kulikowski

Journal:

Year:

1999

File:

PDF, 25 KB

1999

13

ChemInform Abstract: Nucleoside Phosphate Analogues of Biological Interest, and Their Synthesis via Aryl Nucleoside H-Phosphonates as Intermediates.

Jacek Cieslak, Michal Sobkowski, Jadwiga Jankowska, Malgorzata Wenska, Marzena Szymczak, Barbara Imiolczyk, Izabela Zagorowska, David Shugar, Jacek Stawinski, Adam Kraszewski

Journal:

Year:

2002

File:

PDF, 26 KB

2002

14

Ability of Adenosine-2′(3′)-deoxy-3′(2′)-triphosphates and Related Analogues to Replace ATP as Phosphate Donor for all Human and Drosphila melanogaster Deoxyribonucleoside Kinases

Krzysztof Krawiec, Borys Kierdaszuk, Elena N. Kalinichenko, Elena B. Rubinova, Igor A. Mikhailopulo, Staffan Eriksson, Birgitte Munch-Petersen, David Shugar

Journal:

Year:

2004

File:

PDF, 61 KB

2004

15

Electrochemical reduction of azido nucleosides: Mechanism and synthetic and analytical applications

Wieslaw Kawczynski, Barbara Czochralska, David Shugar

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1991

Language:

english

File:

PDF, 728 KB

english, 1991

16

Comparison of bulk power solar peaking options in the 1990s

Gerald W. Braun, David Kearney, Daniel S. Shugar

Journal:

Solar Energy Materials

Year:

1991

Language:

english

File:

PDF, 694 KB

english, 1991

17

Structure of the planar complex of N4-methoxycytosine with adenine, and its relevance to the mechanism of hydroxylamine mutagenesis

Borys Kierdaszuk, David Shugar

Journal:

Biophysical Chemistry

Year:

1983

Language:

english

File:

PDF, 847 KB

english, 1983

18

Mechanism of hydroxylamine mutagenesis: Role of tautomerism, conformation and proton exchange on base pairing between the promutagen N6 methoxyadenosine and uridine

Borys Kierdaszuk, Charlotta Johansson, Torbjorn Drakenberg, Ryszard Stolarski, David Shugar

Journal:

Biophysical Chemistry

Year:

1993

Language:

english

File:

PDF, 802 KB

english, 1993

19

Electrochemical reduction of azido nucleosides: Mechanism and synthetic and analytical applications

Wieslaw Kawczynski, Barbara Czochralska, David Shugar

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1991

Language:

english

File:

PDF, 980 KB

english, 1991

20

Tetrabromobenzotriazole (TBBt) and tetrabromobenzimidazole (TBBz) as selective inhibitors of protein kinase CK2: Evaluation of their effects on cells and different molecular forms of human CK2

Piotr Zien, James S. Duncan, Janusz Skierski, Maria Bretner, David W. Litchfield, David Shugar

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2005

Language:

english

File:

PDF, 570 KB

english, 2005

21

Preface

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2004

Language:

english

File:

PDF, 54 KB

english, 2004

22

Special issue—Inhibitors of protein kinases

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2005

Language:

english

File:

PDF, 55 KB

english, 2005

23

Special issue: Inhibitors of protein kinases

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2008

Language:

english

File:

PDF, 83 KB

english, 2008

24

Inhibitors of protein kinases

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2010

Language:

english

File:

PDF, 189 KB

english, 2010

25

Phosphorylation of thymidylate synthase from various sources by human protein kinase CK2 and its catalytic subunits

Tomasz Frączyk, Konrad Kubiński, Maciej Masłyk, Joanna Cieśla, Ulf Hellman, David Shugar, Wojciech Rode

Journal:

Bioorganic Chemistry

Year:

2010

Language:

english

File:

PDF, 632 KB

english, 2010

26

Fluorescence emission properties of 8-aza analogues of caffeine, theophylline, and related N-alkyl xanthines

Grzegorz Mędza, Jacek Wierzchowski, Borys Kierdaszuk, David Shugar

Journal:

Bioorganic & Medicinal Chemistry

Year:

2009

Language:

english

File:

PDF, 414 KB

english, 2009

27

Fluorescence emission properties of 8-azaxanthine and its N-alkyl derivatives: Excited-state proton transfer, and potential applications in enzymology

Jacek Wierzchowski, Jerzy Sepioł, Daniel Sulikowski, Borys Kierdaszuk, David Shugar

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2006

Language:

english

File:

PDF, 333 KB

english, 2006

28

Selective fluorescent and fluorogenic substrates for purine-nucleoside phosphorylases from various sources, and direct fluorimetric determination of enzyme levels in human and animal blood

Jacek Wierzchowski, Maria Ogiela, Beata Iwańska, David Shugar

Journal:

Analytica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 202 KB

english, 2002

29

Binding of phosphate and sulfate anions by purine nucleoside phosphorylase from E. coli: ligand-dependent quenching of enzyme intrinsic fluorescence

Borys Kierdaszuk, Anna Modrak-Wójcik, David Shugar

Journal:

Biophysical Chemistry

Year:

1997

Language:

english

File:

PDF, 1.16 MB

english, 1997

30

Tautomerism, acid-base properties and conformation of methylated analogues of the promutagenic N4-hydroxycytosine

Anna Niedźwiecka-Kornaś, Borys Kierdaszuk, Ryszard Stolarski, David Shugar

Journal:

Biophysical Chemistry

Year:

1998

Language:

english

File:

PDF, 302 KB

english, 1998

31

Xanthosine and xanthine : Substrate properties with purine nucleoside phosphorylases, and relevance to other enzyme systems

Gerasim Stoychev, Borys Kierdaszuk, David Shugar

Journal:

Year:

2002

Language:

english

File:

PDF, 371 KB

english, 2002

32

DFT calculations and parameterization of the approximate valence bond method to describe the phosphoryl transfer reaction in a model system

Krzysztof Ginalski, Pawel Grochowski, Bogdan Lesyng, David Shugar

Journal:

International Journal of Quantum Chemistry

Year:

2002

Language:

english

File:

PDF, 215 KB

english, 2002

33

Tautomerism of pyrimidines and purines in the gas phase and in low-temperature matrices, and some biological implications

David Shugar, Krystyna Szczepaniak

Journal:

International Journal of Quantum Chemistry

Year:

1981

Language:

english

File:

PDF, 618 KB

english, 1981

34

Genetic evidence for the nature, and excision repair, of DNA lesions resulting from incorporation of 5-bromouracil

Malgorzata Krych, Irena Pietrzykowska, Jolanta Szyszko, David Shugar

Journal:

Molecular Genetics and Genomics

Year:

1979

Language:

english

File:

PDF, 779 KB

english, 1979

35

Discrimination of competentBacillus subtiliswith respect to ribonucleic acids

Anna Sołtyk, Mirosława Piechowska, David Shugar, Jiři Doskočil

Journal:

Molecular Genetics and Genomics

Year:

1976

Language:

english

File:

PDF, 686 KB

english, 1976

36

Pyrimidine nucleoside analogues as inducers of pyrimidine nucleoside catabolizing enzymes in salmonella typhimurium

Estera Krajewska, David Shugar

Journal:

Molecular Biology Reports

Year:

1975

Language:

english

File:

PDF, 372 KB

english, 1975

37

Role of ionization of the phosphate cosubstrate on phosphorolysis by purine nucleoside phosphorylase (PNP) of bacterial (E. coli) and mammalian (human) origin

Anna Modrak-Wójcik, Aneta Kirilenko, David Shugar, Borys Kierdaszuk

Journal:

European Biophysics Journal

Year:

2008

Language:

english

File:

PDF, 440 KB

english, 2008

38

482—Red-ox transformations of NAD+ model compounds

Maria Miller, Barbara Czochralska, David Shugar

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1982

Language:

english

File:

PDF, 784 KB

english, 1982

39

Mechanism of methylation of nucleoside sugar hydroxyl groups by diazomethane in the presence of stannous chloride

Lech Dudycz, Andrzej Kotlicki, David Shugar

Journal:

Carbohydrate Research

Year:

1981

Language:

english

File:

PDF, 485 KB

english, 1981

40

13C-n.m.r. analysis of the effects of dissociation of the hydroxyl groups of 1-β-d-arabinofuranosylcytosine and its O’-methyl derivatives on conformation

Stanislaw J. Komorowski, Irena Ekiel, Edward Darzynkiewicz, David Shugar

Journal:

Carbohydrate Research

Year:

1981

Language:

english

File:

PDF, 719 KB

english, 1981

41

Conformational parameters of the carbohydrate moieties of α-arabinonucleosides

Irena Ekiel, Edward Darżynkiewicz, David Shugar

Journal:

Carbohydrate Research

Year:

1981

Language:

english

File:

PDF, 1.07 MB

english, 1981

42

Halogenated benzimidazoles and benzotriazoles as inhibitors of the NTPase/helicase activities of hepatitis C and related viruses

Peter Borowski, Johanna Deinert, Sarah Schalinski, Maria Bretner, Krzysztof Ginalski, Tadeusz Kulikowski, David Shugar

Journal:

Year:

2003

Language:

english

File:

PDF, 301 KB

english, 2003

43

New light on tautomerism of purines and pyrimidines and its biological and genetic implications

David Shugar, Borys Kierdaszuk

Journal:

Journal of Biosciences

Year:

1985

Language:

english

File:

PDF, 361 KB

english, 1985

44

The effects of tetraalkylammonium salts on helix-coil transition parameters in natural and synthetic ribo- and deoxyribo-polynucleotides

Teresa Golaś, Maria Miller, David Shugar

Journal:

Chemico-Biological Interactions

Year:

1980

Language:

english

File:

PDF, 815 KB

english, 1980

45

Induction of SOS functions in Escherichia coli by lesions resulting from incorporation of 5-bromouracil into DNA

Irena Pietrzykowska, Małgorzata Krych, David Shugar

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1983

Language:

english

File:

PDF, 756 KB

english, 1983

46

Identification of uracil as a major lesion in E. coli DNA following the incorporation of 5-bromouracil, and some of the accompanying effects

Jolanta Szyszko, Irena Pietrzykowska, T. Twardowski, David Shugar

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1983

Language:

english

File:

PDF, 792 KB

english, 1983

47

Involvement of DNA lesions and SOS functions in 5-bromouracil-induced mutagenesis

Irena Pietrzykowska, Małgorzata Krych, David Shugar

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1985

Language:

english

File:

PDF, 770 KB

english, 1985

48

Preface

David Shugar, Edward Borowski

Journal:

Pharmacology & Therapeutics

Year:

1993

Language:

english

File:

PDF, 60 KB

english, 1993

49

Continuous fluorimetric assay of 5′-nucleotidase with formycin 5′-phosphate as substrate, and its application to properties of substrates and inhibitors

Jacek Wierzchowski, Piotr Lassota, David Shugar

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1984

Language:

english

File:

PDF, 689 KB

english, 1984

50

Purification and resolution of potato tuber cyclic nucleotide phosphodiesterase from nucleotide pyrophosphatase

Malgorzata Zan-Kowalczewska, Marcianna Bartkiewicz, Halina Sierakowska, David Shugar

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1984

Language:

english

File:

PDF, 843 KB

english, 1984