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1

NMR spin trapping: Detection of free radical reactions using a phosphorus-containing nitrone spin trap

Valery Khramtsov, Lawrence J. Berliner, Thomas L. Clanton

Journal:

Magnetic Resonance in Medicine

Year:

1999

Language:

english

File:

PDF, 161 KB

english, 1999

2

Electron spin relaxation times and rapid scan EPR imaging of pH-sensitive amino-substituted trityl radicals

Elajaili, Hanan B., Biller, Joshua R., Tseitlin, Mark, Dhimitruka, Ilirian, Khramtsov, Valery V., Eaton, Sandra S., Eaton, Gareth R.

Journal:

Magnetic Resonance in Chemistry

Year:

2015

Language:

english

File:

PDF, 920 KB

english, 2015

3

In vivo extracellular pH mapping of tumors using electron paramagnetic resonance

Komarov, Denis A, Ichikawa, Yuki, Yamamoto, Kumiko, Stewart, Neil J, Matsumoto, Shingo, Yasui, Hironobu, Kirilyuk, Igor A, Khramtsov, Valery V., Inanami, Osamu, Hirata, Hiroshi

Journal:

Analytical Chemistry

Year:

2018

Language:

english

File:

PDF, 2.21 MB

english, 2018

4

Modular Imaging System: Rapid Scan EPR at 800 MHz

Tseytlin, Oxana, Guggilapu, Priyaankadevi, Bobko, Andrey A., AlAhmad, Hussien, Xu, Xuan, Epel, Boris, O'Connell, Ryan, Hoblitzell, Emily H., Eubank, Timothy D., Khramtsov, Valery V., Driesschaert, Ben

Journal:

Journal of Magnetic Resonance

Year:

2019

Language:

english

File:

PDF, 2.63 MB

english, 2019

5

ChemInform Abstract: Use of Imidazoline Nitroxides in Studies of Chemical Reactions: ESR Measurements of the Concentration and Reactivity of Protons, Thiols, and Nitric Oxide

Valery V. Khramtsov, Leonid B. Volodarsky

Journal:

Year:

1999

File:

PDF, 26 KB

1999

6

Grignard Reagent Addition of 5-Alkylamino-4H-imidazole 3-Oxides: Synthesis of New pH-Sensitive Spin Probes.

Igor A. Kirilyuk, Tikhon G. Shevelev, Denis A. Morozov, Ekaterina L. Khromovskih, Nikita G. Skuridin, Valery V. Khramtsov, Igor A. Grigor'ev

Journal:

Year:

2003

File:

PDF, 189 KB

2003

7

NMR and EPR studies of the reaction of nucleophilic addition of (bi)sulfite to the nitrone spin trap DMPO

Dmitrii I. Potapenko, Elena G. Bagryanskaya, Vladimir V. Reznikov, Thomas L. Clanton, Valery V. Khramtsov

Journal:

Magnetic Resonance in Chemistry

Year:

2003

Language:

english

File:

PDF, 263 KB

english, 2003

8

Quantitative determination of SH groups using 19F NMR spectroscopy and disulfide of 2,3,5,6-tetrafluoro-4-mercaptobenzoic acid

Dmitrii I. Potapenko, Elena G. Bagryanskaya, Igor A. Grigoriev, Aleksander M. Maksimov, Vladimir A. Reznikov, Vyacheslav E. Platonov, Thomas L. Clanton, Valery V. Khramtsov

Journal:

Magnetic Resonance in Chemistry

Year:

2005

Language:

english

File:

PDF, 305 KB

english, 2005

9

In vivo detection of a pH-sensitive nitroxide in the rat stomach by low-field ESR-based techniques

Margaret A. Foster, Igor A. Grigor'ev, David J. Lurie, Valery V. Khramtsov, Stephen McCallum, Ioannis Panagiotelis, James M.S. Hutchison, Andrei Koptioug, Ian Nicholson

Journal:

Magnetic Resonance in Medicine

Year:

2003

Language:

english

File:

PDF, 266 KB

english, 2003

10

Unexpected transformation of 1,2-bis(N-methoxy-N-nitrosoamino)cycloalkanes: First synthesis of 4,5-dihydro-1,2,3-triazole 2-oxides

Vadim K. Khlestkin, Dmitrii G. Mazhukin, Aleksei Ya. Tikhonov, Irina Yu. Bagryanskaya, Yurii V. Gatilov, Darkhan I. Utepbergenov, Valery V. Khramtsov, Leonid B. Volodarsky

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 221 KB

english, 1996

11

Large-scale synthesis of a persistent trityl radical for use in biomedical EPR applications and imaging

Ilirian Dhimitruka, Murugesan Velayutham, Andrey A. Bobko, Valery V. Khramtsov, Frederick A. Villamena, Christopher M. Hadad, Jay L. Zweier

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 207 KB

english, 2007

12

Synthesis, structure, and EPR characterization of deuterated derivatives of Finland trityl radical

Ilirian Dhimitruka, Olga Grigorieva, Jay L. Zweier, Valery V. Khramtsov

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2010

Language:

english

File:

PDF, 317 KB

english, 2010

13

Real-time monitoring of drug-induced changes in the stomach acidity of living rats using improved pH-sensitive nitroxides and low-field EPR techniques

Dmitrii I. Potapenko, Margaret A. Foster, David J. Lurie, Igor A. Kirilyuk, James M.S. Hutchison, Igor A. Grigor’ev, Elena G. Bagryanskaya, Valery V. Khramtsov

Journal:

Journal of Magnetic Resonance

Year:

2006

Language:

english

File:

PDF, 304 KB

english, 2006

14

Variable Field Proton–Electron Double-Resonance Imaging: Application to pH mapping of aqueous samples

Valery V. Khramtsov, George L. Caia, Keerthi Shet, Eric Kesselring, Sergey Petryakov, Jay L. Zweier, Alexandre Samouilov

Journal:

Journal of Magnetic Resonance

Year:

2010

Language:

english

File:

PDF, 339 KB

english, 2010

15

NMR Spin Trapping: Insight into the Hidden Life of Free Radical Adducts

Valery V. Khramtsov, Thomas L. Clanton

Journal:

Applied Magnetic Resonance

Year:

2011

Language:

english

File:

PDF, 496 KB

english, 2011

16

Variable radio frequency proton–electron double-resonance imaging: Application to pH mapping of aqueous samples

Olga V. Efimova, Ziqi Sun, Sergey Petryakov, Eric Kesselring, George L. Caia, David Johnson, Jay L. Zweier, Valery V. Khramtsov, Alexandre Samouilov

Journal:

Journal of Magnetic Resonance

Year:

2011

Language:

english

File:

PDF, 276 KB

english, 2011

17

Redox-sensitive mechanism of no scavenging by nitronyl nitroxides

Andrey A. Bobko, Elena G. Bagryanskaya, Vladimir A. Reznikov, Nataljya G. Kolosova, Thomas L. Clanton, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2004

Language:

english

File:

PDF, 555 KB

english, 2004

18

In Vitro and In Vivo Measurement of pH and Thiols by EPR-Based Techniques

Khramtsov, Valery V., Grigor'ev, Igor A., Foster, Margaret A., Lurie, David J.

Journal:

Antioxidants & Redox Signaling

Year:

2004

Language:

english

File:

PDF, 294 KB

english, 2004

19

Electron paramagnetic resonance monitoring of ischemia-induced myocardial oxygen depletion and acidosis in isolated rat hearts using soluble paramagnetic probes

Denis A. Komarov, Ilirian Dhimitruka, Igor A. Kirilyuk, Dmitrii G. Trofimiov, Igor A. Grigor'ev, Jay L. Zweier, Valery V. Khramtsov

Journal:

Magnetic Resonance in Medicine

Year:

2012

Language:

english

File:

PDF, 228 KB

english, 2012

20

Reversible reduction of nitroxides to hydroxylamines: Roles for ascorbate and glutathione

Andrey A. Bobko, Igor A. Kirilyuk, Igor A. Grigor’ev, Jay L. Zweier, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2007

Language:

english

File:

PDF, 278 KB

english, 2007

21

In vivo EPR measurement of glutathione in tumor-bearing mice using improved disulfide biradical probe

Galina I. Roshchupkina, Andrey A. Bobko, Anna Bratasz, Vladimir A. Reznikov, Periannan Kuppusamy, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2008

Language:

english

File:

PDF, 416 KB

english, 2008

22

Trityl-based EPR probe with enhanced sensitivity to oxygen

Andrey A. Bobko, Ilirian Dhimitruka, Timothy D. Eubank, Clay B. Marsh, Jay L. Zweier, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2009

Language:

english

File:

PDF, 539 KB

english, 2009

23

Direct chemiluminescence detection of nitric oxide in aqueous solutions using the natural nitric oxide target soluble guanylyl cyclase

Yakov Y. Woldman, Jian Sun, Jay L. Zweier, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2009

Language:

english

File:

PDF, 675 KB

english, 2009

24

Functional EPR Spectroscopy of Isolated Perfused Rat Heart: Measurements of Tissue Oxygenation, pH and Glutathione Concentration

Denis A Komarov, Valery V Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2010

Language:

english

File:

PDF, 322 KB

english, 2010

25

Luciferase-Based Chemiluminescent Measurement of Cellular Production of Nitric Oxide

Yakov Y Woldman, Tim D. Eubank, Laura A. Sumner, Mikhail A. Gavrilin, Denis Komarov, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2010

Language:

english

File:

PDF, 392 KB

english, 2010

26

Discriminating Detection of NO and HNO using Encapsulated Nitronyl Nitroxides

Andrey A Bobko, Alexander Ivanov, Valery V Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2010

Language:

english

File:

PDF, 383 KB

english, 2010

27

Finland Trityl Radical Derivatives with Enhanced Sensitivity to Tissue Oxygenation

Ilirian Dhimitruka, Olga Grigorieva, Andrey A. Bobko, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2010

Language:

english

File:

PDF, 158 KB

english, 2010

28

Unique in vivo applications of spin traps

Lawrence J Berliner, Valery Khramtsov, Hirotada Fujii, Thomas L Clanton

Journal:

Free Radical Biology and Medicine

Year:

2001

Language:

english

File:

PDF, 245 KB

english, 2001

29

NMR spin trapping: detection of free radical reactions with a new fluorinated DMPO analog

Valery V Khramtsov, Vladimir A Reznikov, Lawrence J Berliner, Artem K Litkin, Igor A Grigor’ev, Thomas L Clanton

Journal:

Free Radical Biology and Medicine

Year:

2001

Language:

english

File:

PDF, 501 KB

english, 2001

30

Nonradical mechanism of (bi)sulfite reaction with DEPMPO: cautionary note for SO3−• radical spin trapping

Dmitrii I. Potapenko, Thomas L. Clanton, Elena G. Bagryanskaya, Nina P. Gritsan, Vladimir A. Reznikov, Valery V. Khramtsov

Journal:

Free Radical Biology and Medicine

Year:

2003

Language:

english

File:

PDF, 251 KB

english, 2003

31

Modulation of the Mitochondrial Permeability Transition by Nitric Oxide

Maxim Yu. Balakirev, Valery V. Khramtsov, Guido Zimmer

Journal:

Year:

1997

Language:

english

File:

PDF, 960 KB

english, 1997

32

Determination of Rate Constants of the Reactions of Thiols with Superoxide Radical by Electron Paramagnetic Resonance: Critical Remarks on Spectrophotometric Approaches

Sergey Dikalov, Valery Khramtsov, Guido Zimmer

Journal:

Archives of Biochemistry and Biophysics

Year:

1996

Language:

english

File:

PDF, 196 KB

english, 1996

33

Studies of Human and Rat Blood under Oxidative Stress: Changes in Plasma Thiol Level, Antioxidant Enzyme Activity, Protein Carbonyl Content, and Fluidity of Erythrocyte Membrane

Valentina Yelinova, Yury Glazachev, Valery Khramtsov, Larissa Kudryashova, Valentina Rykova, Rudolf Salganik

Journal:

Biochemical and Biophysical Research Communications

Year:

1996

Language:

english

File:

PDF, 50 KB

english, 1996

34

EPR and Laser Flash Photolysis Studies of the Reaction of Nitric Oxide with Water Soluble NO Trap Fe(II)-Proline-Dithiocarbamate Complex

Sergei V. Paschenko, Valery V. Khramtsov, Mikhail P. Skatchkov, Viktor F. Plyusnin, Eberhard Bassenge

Journal:

Biochemical and Biophysical Research Communications

Year:

1996

Language:

english

File:

PDF, 143 KB

english, 1996

35

Manifestation of Oxidative Stress in the Pathogenesis of Arterial Hypertension in ISIAH Rats

Valentina I. Yelinova, Valery V. Khramtsov, Arkady L. Markel

Journal:

Biochemical and Biophysical Research Communications

Year:

1999

Language:

english

File:

PDF, 51 KB

english, 1999

36

Plant Rac Proteins Induce Superoxide Production in Mammalian Cells

Hamdy H. Hassanain, Yogesh K. Sharma, Leni Moldovan, Valery Khramtsov, Lawrence J. Berliner, Jon P. Duvick, Pascal J. Goldschmidt-Clermont

Journal:

Biochemical and Biophysical Research Communications

Year:

2000

Language:

english

File:

PDF, 297 KB

english, 2000

37

Measurement of the local translational diffusion rates of proteins by saturation transfer EPR spectroscopy

Valery V. Khramtsov, Derek Marsh

Journal:

Biochimica et Biophysica Acta (BBA) - Biomembranes

Year:

1991

Language:

english

File:

PDF, 375 KB

english, 1991

38

Monitoring of enzymatic activity in situ by EPR

Valery V. Khramtsov, Tatyana E. Gorunova, Lev M. Weiner

Journal:

Biochemical and Biophysical Research Communications

Year:

1991

Language:

english

File:

PDF, 429 KB

english, 1991

39

Cloning and characterization of the gene encoding the cGMP-phosphodiesterase γ-subunit of human rod photoreceptor cells

Natik I. Piriev, Nikolay V. Khramtsov, Valery M. Lipkin

Journal:

Year:

1994

Language:

english

File:

PDF, 630 KB

english, 1994

40

19F NMR measurements of NO production in hypertensive ISIAH and OXYS rats

Andrey A. Bobko, Svetlana V. Sergeeva, Elena G. Bagryanskaya, Arkadii L. Markel, Valery V. Khramtsov, Vladimir A. Reznikov, Nataljya G. Kolosova

Journal:

Biochemical and Biophysical Research Communications

Year:

2005

Language:

english

File:

PDF, 218 KB

english, 2005

41

Influence of fungal infection on the DOPA–semiquinone and DOPA–quinone production in haemolymph of Galleriamellonella larvae

Irina A Slepneva, Denis A Komarov, Viktor V Glupov, Valery V Serebrov, Valery V Khramtsov

Journal:

Biochemical and Biophysical Research Communications

Year:

2003

Language:

english

File:

PDF, 155 KB

english, 2003

42

Synthesis, Structure, and X-Band (9.5 GHz) EPR Characterization of the New Series of pH-Sensitive Spin Probes: N,N -Disubstituted 4-Amino-2,2,5,5-tetramethyl-3-imidazoline 1-Oxyls

Voinov, Maxim A., Polienko, Julya F., Schanding, Thomas, Bobko, Andrey A., Khramtsov, Valery V., Gatilov, Yury V., Rybalova, Tatyana V., Smirnov, Alex I., Grigor'ev, Igor A.

Journal:

Journal of Organic Chemistry

Year:

2005

Language:

english

File:

PDF, 205 KB

english, 2005

43

ChemInform Abstract: Functional in vivo EPR Spectroscopy and Imaging Using Nitroxide and Trityl Radicals

Khramtsov, Valery V., Zweier, Jay L.

Journal:

Year:

2012

File:

PDF, 18 KB

2012

44

NCX-4040, a nitric oxide-releasing aspirin, sensitizes drug-resistant human ovarian xenograft tumors to cisplatin by depletion of cellular thiols

Anna Bratasz, Karuppaiyah Selvendiran, Tomasz Wasowicz, Andrey Bobko, Valery V Khramtsov, Louis J Ignarro, Periannan Kuppusamy

Journal:

Journal of Translational Medicine

Year:

2008

Language:

english

File:

PDF, 1.35 MB

english, 2008

45

Dual-Function pH and Oxygen Phosphonated Trityl Probe

Bobko, Andrey A., Dhimitruka, Ilirian, Komarov, Denis A., Khramtsov, Valery V.

Journal:

Analytical Chemistry

Year:

2012

Language:

english

File:

PDF, 670 KB

english, 2012

46

Trityl Radicals as Persistent Dual Function pH and Oxygen Probes for in Vivo Electron Paramagnetic Resonance Spectroscopy and Imaging: Concept and Experiment

Bobko, Andrey A., Dhimitruka, Ilirian, Zweier, Jay L., Khramtsov, Valery V.

Journal:

Journal of the American Chemical Society

Year:

2007

Language:

english

File:

PDF, 48 KB

english, 2007

47

Phosphonated Trityl Probes for Concurrent in Vivo Tissue Oxygen and pH Monitoring Using Electron Paramagnetic Resonance-Based Techniques

Dhimitruka, Ilirian, Bobko, Andrey A., Eubank, Timothy D., Komarov, Denis A., Khramtsov, Valery V.

Journal:

Journal of the American Chemical Society

Year:

2013

Language:

english

File:

PDF, 503 KB

english, 2013

48

Synthesis and Characterization of Amino Derivatives of Persistent Trityl Radicals as Dual Function pH and Oxygen Paramagnetic Probes

Dhimitruka, Ilirian, Bobko, Andrey A., Hadad, Christopher M., Zweier, Jay L., Khramtsov, Valery V.

Journal:

Journal of the American Chemical Society

Year:

2008

Language:

english

File:

PDF, 422 KB

english, 2008

49

Discriminative EPR detection of NO and HNO by encapsulated nitronyl nitroxides

Bobko, Andrey A., Ivanov, Alexander, Khramtsov, Valery V.

Journal:

Free Radical Research

Year:

2013

Language:

english

File:

PDF, 377 KB

english, 2013

50

Structure and dynamics of an imidazoline nitroxide side chain with strongly hindered internal motion in proteins

Toledo Warshaviak, Dora, Khramtsov, Valery V., Cascio, Duilio, Altenbach, Christian, Hubbell, Wayne L.

Journal:

Journal of Magnetic Resonance

Year:

2013

Language:

english

File:

PDF, 1.46 MB

english, 2013

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