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1

Conformational adaptation of RTEM β-lactamase to cefoxitin

Nathan CITRI, Abraham KALKSTEIN, Amram SAMUNI, Naomi ZYK

Journal:

Year:

1984

Language:

english

File:

PDF, 573 KB

english, 1984

2

ESR Detection of 1 O 2 Reveals Enhanced Redox Activity in Illuminated Cell Cultures

Lavi, Ronit, Sinyakov, Michael, Samuni, Amram, Shatz, Smadar, Friedmann, Harry, Shainberg, Asher, Breitbart, Haim, Lubart, Rachel

Journal:

Free Radical Research

Year:

2004

Language:

english

File:

PDF, 235 KB

english, 2004

3

Do stable nitroxide radicals catalyze or inhibit the degradation of hyaluronic acid?

Ziva Lurie, Tal Offer, Angelo Russo, Amram Samuni, Dorrit Nitzan

Journal:

Free Radical Biology and Medicine

Year:

2003

Language:

english

File:

PDF, 275 KB

english, 2003

4

Nitroxide radicals protect cultured rat embryos and yolk sacs from diabetic-induced damage

Seonghun Ryu, Roni Kohen, Amram Samuni, Asher Ornoy

Journal:

Birth Defects Research Part A: Clinical and Molecular Teratology

Year:

2007

Language:

english

File:

PDF, 210 KB

english, 2007

5

Evaluation of dibromonitrosobenzene sulfonate as a spin trap in biological systems

Ayelet Samuni, Amram Samuni, Harold M. Swartz

Journal:

Free Radical Biology and Medicine

Year:

1989

Language:

english

File:

PDF, 587 KB

english, 1989

6

An SOD-mimicry mechanism underlies the role of nitroxides in protecting papain from oxidative inactivation

Tal Offer, Mohammad Mohsen, Amram Samuni

Journal:

Free Radical Biology and Medicine

Year:

1998

Language:

english

File:

PDF, 105 KB

english, 1998

7

Kinetics of superoxide production by stimulated neutrophils

Christopher D.V. Black, John A. Cook, C.Murali Krishna, Dwight C. Kaufman, Angelo Russo, Amram Samuni, Harry L. Malech

Journal:

Archives of Biochemistry and Biophysics

Year:

1991

Language:

english

File:

PDF, 728 KB

english, 1991

8

Cyclic nitroxide radicals attenuate inflammation and Hyper-responsiveness in a mouse model of allergic asthma

Assayag, Miri, Goldstein, Sara, Samuni, Amram, Berkman, Neville

Journal:

Free Radical Biology and Medicine

Year:

2015

Language:

english

File:

PDF, 1.07 MB

english, 2015

9

Dual activity of nitroxides as pro- and antioxidants: Catalysis of copper-mediated DNA breakage and H2O2 dismutation

Yaacov Aronovitch, Dina Godinger, Avner Israeli, Murali C. Krishna, Amram Samuni, Sara Goldstein

Journal:

Free Radical Biology and Medicine

Year:

2007

Language:

english

File:

PDF, 801 KB

english, 2007

10

Nitroxide stable radical suppresses autoimmune uveitis in rats

Ehud Zamir, RenLiang Zhang, Amram Samuni, Michael Kogan, Jacob Pe’er

Journal:

Free Radical Biology and Medicine

Year:

1999

Language:

english

File:

PDF, 422 KB

english, 1999

11

PHOTOGENERATION OF SUPEROXIDE and DECARBOXYLATED PEPTIDE RADICALS BY CARBOQUONE, MITOMYCIN C and STREPTONIGRIN. AN ELECTRON SPIN RESONANCE and SPIN TRAPPING STUDY

Alasdair J. Carmichael, Amram Samuni, Peter Riesz

Journal:

Photochemistry and Photobiology

Year:

1985

Language:

english

File:

PDF, 618 KB

english, 1985

12

Time-dependent modifications of ferric-Adriamycin

Dan Gelvan, Ehud Berg, Paul Saltman, Amram Samuni

Journal:

Biochemical Pharmacology

Year:

1990

Language:

english

File:

PDF, 799 KB

english, 1990

13

Differential protection by nitroxides and hydroxylamines to radiation-induced and metal ion-catalyzed oxidative damage

Sandhya Xavier, Ken-ichi Yamada, Ayelet M Samuni, Amram Samuni, William DeGraff, Murali C Krishna, James B Mitchell

Journal:

Biochimica et Biophysica Acta (BBA) - General Subjects

Year:

2002

Language:

english

File:

PDF, 504 KB

english, 2002

14

Growth Inhibition of Plasmodium Falciparum Involving Carbon Centered Iron-Chelate Radical (L . , X - )-Fe(III) Based on Pyridoxal-Betaine. A Novel Type of Antimalarials Active Against Chloroquine-Resistant Parasites

Iheanacho, Eugene N., Sarel, Shalom, Samuni, Amram, Avramovici-grisaru, Schelly, Spira, Dan T.

Journal:

Free Radical Research

Year:

1991

Language:

english

File:

PDF, 596 KB

english, 1991

15

Effect of proteins on the motion of spin-labeled fatty acids in mycoplasma membranes

Shlomo Rottem, Amram Samuni

Journal:

Biochimica et Biophysica Acta (BBA) - Biomembranes

Year:

1973

Language:

english

File:

PDF, 370 KB

english, 1973

16

Radiation-Induced Damage in Escherichia coli B: The Effect of Superoxide Radicals and Molecular Oxygen

Amram Samuni and Gidon Czapski

Journal:

Radiation Research

Year:

1978

Language:

english

File:

PDF, 315 KB

english, 1978

17

Identification of Nitroxide Radioprotectors

Stephen M. Hahn, Lynn Wilson, C. Murali Krishna, James Liebmann, William DeGraff, Janet Gamson, Amram Samuni, David Venzon and James B. Mitchell

Journal:

Radiation Research

Year:

1992

Language:

english

File:

PDF, 1.01 MB

english, 1992

18

Fe (Ii)-Chelates Based on Redox-Active Pyridoxal-Betaines as C-Centered Radicals Causing Single- and Double-Strand Scissions to Dna

Iheanacho, Eugene N., Sarel, Shalom, Samuni, Amram, Avramovici-Grisaru, Shelly, Spira, Dan T.

Journal:

Free Radical Research

Year:

1991

Language:

english

File:

PDF, 1.24 MB

english, 1991

19

Opposing effects of nitroxide free radicals in Escherichia coli mutants deficient in DNA repair

Guoying Wang, Dina Godinger, Jacob Aronovitch, Amram Samuni

Journal:

Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression

Year:

1996

Language:

english

File:

PDF, 728 KB

english, 1996

20

Protection against mitomycin C induced cytotoxicity by the stable nitroxide radical tempol

James B. Mitchell, William DeGraff, C.Murali Krishna, Amram Samuni, Stephen Hahn, Angelo Russo

Journal:

Free Radical Biology and Medicine

Year:

1990

Language:

english

File:

PDF, 127 KB

english, 1990

21

Novel DMPO-Derived 13C-Labeled Spin Traps Yield Identifiable Stable Nitroxides

Barasch, Dinorah, Krishna, Murali C., Russo, Angelo, Katzhendler, Jehoshua, Samuni, Amram

Journal:

Journal of the American Chemical Society

Year:

1994

Language:

english

File:

PDF, 764 KB

english, 1994

22

Nitroxides block DNA scission and protect cells from oxidative damage

Samuni, Amram, Godinger, Dina, Aronovitch, Jacob, Russo, Angelo, Mitchell, James B.

Journal:

Year:

1991

Language:

english

File:

PDF, 1.40 MB

english, 1991

23

Acquisition of Substrate-Specific Parameters during the Catalytic Reaction of Penicillinase

Nathan Citri, Amram Samuni and Naomi Zyk

Journal:

Proceedings of the National Academy of Sciences

Year:

1976

Language:

english

File:

PDF, 1.08 MB

english, 1976

24

Mechanisms underlying gastric antiulcerative activity of nitroxides in rats

Samuni, Amram, Karmeli, Fanny, Moshen, Mohammad, Rachmilewitz, Dan

Journal:

Free Radical Research

Year:

1999

Language:

english

File:

PDF, 819 KB

english, 1999

25

Nitroxides protect horseradish peroxidase from H 2 O 2 -induced inactivation and modulate its catalase-like activity

Samuni, Amram, Maimon, Eric, Goldstein, Sara

Journal:

Biochimica et Biophysica Acta (BBA) - General Subjects

Year:

2017

Language:

english

File:

PDF, 1.18 MB

english, 2017

26

Mechanism of Brain Protection by Nitroxide Radicals in Experimental Model of Closed-Head Injury

Renliang Zhang, Esther Shohami, Elie Beit-Yannai, Roman Bass, Victoria Trembovler, Amram Samuni

Journal:

Free Radical Biology and Medicine

Year:

1998

Language:

english

File:

PDF, 537 KB

english, 1998

27

Reaction of Cyclic Nitroxides with Nitrogen Dioxide: The Intermediacy of the Oxoammonium Cations

Goldstein, Sara, Samuni, Amram, Russo, Angelo

Journal:

Journal of the American Chemical Society

Year:

2003

Language:

english

File:

PDF, 113 KB

english, 2003

28

Kinetics of Paraquat and Copper Reactions with Nitroxides: The Effects of Nitroxides on the Aerobic and Anoxic Toxicity of Paraquat

Goldstein, Sara, Samuni, Amram, Aronovitch, Yaacov, Godinger, Dina, Russo, Angelo, Mitchell, James B.

Journal:

Chemical Research in Toxicology

Year:

2002

Language:

english

File:

PDF, 72 KB

english, 2002

29

The Effect of Oxygen at Physiological Levels on the Detection of free Radical Intermediates by Electron Paramagnetic Resonance

Krishna, Murali C., Samuni, Amram

Journal:

Free Radical Research

Year:

1993

Language:

english

File:

PDF, 493 KB

english, 1993

30

Hydroxylamines inhibit tyrosine oxidation and nitration: The role of their respective nitroxide radicals

Samuni, Amram, Goldstein, Sara

Journal:

Free Radical Biology and Medicine

Year:

2020

File:

PDF, 1.23 MB

2020

31

Novel anthraquinone derivatives with redox-active functional groups capable of producing free radicals by metabolism: are free radicals essential for cytotoxicity?

Dinorah Barasch, Omer Zipori, Israel Ringel, Isaac Ginsburg, Amram Samuni, Jehoshua Katzhendler

Journal:

European Journal of Medicinal Chemistry

Year:

1999

Language:

english

File:

PDF, 175 KB

english, 1999

32

Modulation of streptonigrin cytotoxicity by nitroxide sod mimics

Murali C. Krishna, Rivka F. Halevy, Renliang Zhang, Peter L. Gutierrez, Amram Samuni

Journal:

Free Radical Biology and Medicine

Year:

1994

Language:

english

File:

PDF, 796 KB

english, 1994

33

Cellular targets of adriamycin-induced damage in Escherichia coli

Dan Gelvan, Amram Samuni

Journal:

Biochemical Pharmacology

Year:

1986

Language:

english

File:

PDF, 1.11 MB

english, 1986

34

Mechanistic insight into the catalytic inhibition by nitroxides of tyrosine oxidation and nitration

Maimon, Eric, Samuni, Amram, Goldstein, Sara

Journal:

Biochimica et Biophysica Acta (BBA) - General Subjects

Year:

2019

Language:

english

File:

PDF, 1.38 MB

english, 2019

35

Kinetics of superoxide-induced exchange among nitroxide antioxidants and their oxidized and reduced forms

Renliang Zhang, Sara Goldstein, Amram Samuni

Journal:

Free Radical Biology and Medicine

Year:

1999

Language:

english

File:

PDF, 157 KB

english, 1999

36

Radiation-Induced Damage in T4 Bacteriophage: The Effect of Superoxide Radicals and Molecular Oxygen

Amram Samuni, Mordechai Chevion, Yeheskel S. Halpern, Yael A. Ilan and Gidon Czapski

Journal:

Radiation Research

Year:

1978

Language:

english

File:

PDF, 340 KB

english, 1978

37

Reactions of Nitric Oxide, Peroxynitrite and Carbonate Radicals with Nitroxides and their Corresponding Oxoammonium Cations Volume 17, Number 2, February 2004, pp 250−257

Goldstein, Sara, Samuni, Amram, Merenyi, Gabor

Journal:

Chemical Research in Toxicology

Year:

2004

Language:

english

File:

PDF, 22 KB

english, 2004

38

Superoxide Production by Stimulated Neutrophils: Temperature Effect

Black, Christopher D.V., Cook, Ohn A., Russo, Angelo, Samuni, Amram

Journal:

Free Radical Research

Year:

1991

Language:

english

File:

PDF, 679 KB

english, 1991

39

A direct spectrophotometric assay and determination of Michaelis constants for the β-lactamase reaction

Journal:

Analytical Biochemistry

Year:

1975

Language:

english

File:

PDF, 570 KB

english, 1975

40

On the cytotoxicity of vitamin C and metal ions : A site-specific Fenton mechanism

Amram SAMUNI, Jacob ARONOVITCH, Dina GODINGER, Mordechai CHEVION, Gidon CZAPSKI

Journal:

Year:

1983

Language:

english

File:

PDF, 618 KB

english, 1983

41

Kinetics of Nitroxide Reaction with Iron(II)

Bar-On, Pazit, Mohsen, Mohammad, Zhang, Renliang, Feigin, Elad, Chevion, Mordechai, Samuni, Amram

Journal:

Journal of the American Chemical Society

Year:

1999

Language:

english

File:

PDF, 52 KB

english, 1999

42

Does Oxygen Enhance the Radiation-Induced Inactivation of Penicillinase?

Amram Samuni, Avraham Kalkstein and Gidon Czapski

Journal:

Radiation Research

Year:

1980

Language:

english

File:

PDF, 748 KB

english, 1980

43

One-Electron Oxidation of Acetohydroxamic Acid: The Intermediacy of Nitroxyl and Peroxynitrite

Samuni, Amram, Goldstein, Sara

Journal:

Journal of Physical Chemistry A

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

44

Redox Properties of Benzoquinone Ansamycins in Aqueous Solutions

Samuni, Amram, Goldstein, Sara

Journal:

Israel Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 309 KB

english, 2014

45

Mechanism of HRP-catalyzed nitrite oxidation by H 2 O 2 revisited: Effect of nitroxides on enzyme inactivation and its catalytic activity

Samuni, Amram, Maimon, Eric, Goldstein, Sara

Journal:

Free Radical Biology and Medicine

Year:

2017

Language:

english

File:

PDF, 549 KB

english, 2017

46

Structure−Activity Relationship of Cyclic Nitroxides as SOD Mimics and Scavengers of Nitrogen Dioxide and Carbonate Radicals

Goldstein, Sara, Samuni, Amram, Hideg, Kalman, Merenyi, Gabor

Journal:

Journal of Physical Chemistry A

Year:

2006

Language:

english

File:

PDF, 124 KB

english, 2006

47

Cerebroprotective effect of stable nitroxide radicals in closed head injury in the rat

Elie Beit-Yannai, Renliang Zhang, Victoria Trembovler, Amram Samuni, Esther Shohami

Journal:

Year:

1996

Language:

english

File:

PDF, 708 KB

english, 1996

48

Effect of nitric oxide and nitroxide SOD-mimic on the recovery of isolated rat heart following ischemia and reperfusion

Azik Hoffman, Sara Goldstein, Amram Samuni, Joseph B. Borman, Herzl Schwalb

Journal:

Biochemical Pharmacology

Year:

2003

Language:

english

File:

PDF, 256 KB

english, 2003

49

On the use of the electron spin resonance?flow technique in the study of short-lived radicals

Meisel, Dan, Czapski, Gideon, Samuni, Amram

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1973

Language:

english

File:

PDF, 801 KB

english, 1973

50

On radical production by PMA-stimulated neutrophils as monitored by luminol-amplified chemiluminescence

Amram Samuni, C. Murali Krishna, John Cook, Christopher D.V. Black, Angelo Russo

Journal:

Free Radical Biology and Medicine

Year:

1991

Language:

english

File:

PDF, 743 KB

english, 1991

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