Author

Keizo Takeshita

Observed names: K Takeshita, K. Takeshita, Keizo TAKESHITA, Takeshita, Keizo

Institutions: Sojo University, National Institute of Radiological Sciences, Institute for Radiological Science

Observed institutions: Northwestern University, Yamagata University, SHOWA Medical University, Shujitsu University, Kyushu University, Yokohama University of Pharmacy, Sojo University, National Institutes for Quantum Science and Technology, National Cancer Institute, National Institute of Radiological Sciences, Institute for Radiological Science, The Ohio State University

ORCID: 0000-0003-1342-4200

Observed ORCID: 0000-0003-1342-4200

OpenAlex ID: A5101687108

Small-volume extrusion apparatus for preparation of large, unilamellar vesicles

1991 · Robert C. MacDonald, Ruby I. MacDonald, et al. · Biochimica et Biophysica Acta (BBA) - Biomembranes · 1,506

Noninvasive detection of hydroxyl radical generation in lung by diesel exhaust particles

2001 · Jin-Yi Han, Keizo Takeshita, et al. · Free Radical Biology and Medicine · 150

Polymeric micelles of zinc protoporphyrin for tumor targeted delivery based on EPR effect and singlet oxygen generation

2007 · Arun K. Iyer, Khaled Greish, et al. · Journal of drug targeting · 116

ESR measurement of radical clearance in lung of whole mouse

1991 · Keizo Takeshita, Hideo Utsumi, et al. · Biochemical and Biophysical Research Communications · 92

Kinetic study on ESR signal decay of nitroxyl radicals, potent redox probes for in vivo ESR spectroscopy, caused by reactive oxygen species

2002 · Keizo Takeshita, Keita Saito, et al. · Biochimica et Biophysica Acta (BBA) - General Subjects · 88

In Vivo Oxygen Radical Generation in the Skin of the Protoporphyria Model Mouse with Visible Light Exposure: An L-Band ESR Study

2004 · Keizo Takeshita, Tokuko Takajo, et al. · Journal of Investigative Dermatology · 76

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In vivo monitoring of hydroxyl radical generation caused by x-ray irradiation of rats using the spin trapping/epr technique

2004 · Keizo Takeshita, Kaori Fujii, et al. · Free Radical Biology and Medicine · 68

Singlet Oxygen-mediated Hydroxyl Radical Production in the Presence of Phenols: Whether DMPO-·OH Formation Really Indicates Production of ·OH?¶

2003 · Jun-ichi Ueda, Keizo Takeshita, et al. · Photochemistry and Photobiology · 64

Recent Progress in In Vivo ESR Spectroscopy

2004 · Keizo TAKESHITA, Toshihiko OZAWA · Journal of Radiation Research · 58

In vivoEPR Measurement of Radical Reaction in Whole Mice – Influence of Inspired Oxygen and Ischemia–Reperfusion Injury on Nitroxide Reduction

1993 · Hideo Utsumi, Keizo Takeshita, et al. · Free Radical Research Communications · 54

Reaction ofpara-hydroxybenzoic acid esters with singlet oxygen in the presence of glutathione produces glutathione conjugates of hydroquinone, potent inducers of oxidative stress

2006 · Chiho Nishizawa, Keizo Takeshita, et al. · Free Radical Research · 52

Assessment of ESR-CT imaging by comparison with autoradiography for the distribution of a blood-brain-barrier permeable spin probe, MC-PROXYL, to rodent brain

2003 · Kazunori Anzai, Keita Saito, et al. · Magnetic Resonance Imaging · 51

In vivo generation of free radicals in the skin of live mice under ultraviolet light, measured by L-band EPR spectroscopy

2005 · Keizo Takeshita, Cuiping Chi, et al. · Free Radical Biology and Medicine · 47

Two Reaction Sites of a Spin Label, TEMPOL (4-Hydroxy-2,2,6,6-tetramethylpiperidine-N-oxyl), with Hydroxyl Radical

2003 · Keita Saito, Keizo Takeshita, et al. · Journal of Pharmaceutical Sciences · 43

Relaxation rates for spirocyclohexyl nitroxyl radicals are suitable for interspin distance measurements at temperatures up to about 125 K

2008 · Velavan Kathirvelu, Christopher Smith, et al. · Chemical Communications · 40

Heterogeneity of Regional Redox Status and Relation of the Redox Status to Oxygenation in a Tumor Model, Evaluated Using Electron Paramagnetic Resonance Imaging

2010 · Keizo Takeshita, Kumiko Kawaguchi, et al. · Cancer Research · 35

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In vivo ESR measurements of free radical reactions in living mice

1995 · Hideo Utsumi, Kazuhiro Ichikawa, et al. · Toxicology Letters · 35

Hydroxyl Radical Generation Caused by the Reaction of Singlet Oxygen with a Spin Trap, DMPO, Increases Significantly in the Presence of Biological Reductants

2004 · Chiho Nishizawa, Keizo Takeshita, et al. · Free Radical Research · 34

Characteristics of spectrin-induced leakage of extruded, phosphatidylserine vesicles

1991 · Nanda K. Subbarao, Ruby I. MacDonald, et al. · Biochimica et Biophysica Acta (BBA) - Biomembranes · 34

Enzymatic reduction-resistant nitroxyl spin probes with spirocyclohexyl rings

2007 · Shoko Okazaki, Md Abdul Mannan, et al. · Free Radical Research · 31

Whole mouse measurement of paramagnetism-loss of nitroxide free radical in lung with a L-band ESR spectrometer.

1993 · K Takeshita, H Utsumi, et al. · PubMed · 26

Evaluation of Photodynamic Activity of C60/2-Hydroxypropyl-β-Cyclodextrin Nanoparticles

2012 · Daisuke Iohara, Masaaki Hiratsuka, et al. · Journal of Pharmaceutical Sciences · 25

Surface-deacetylated chitin nanofibers reinforced with a sulfobutyl ether β-cyclodextrin gel loaded with prednisolone as potential therapy for inflammatory bowel disease

2017 · Ryo Tabuchi, Makoto Anraku, et al. · Carbohydrate Polymers · 24

Singlet Oxygen-Dependent Hydroxyl Radical Formation during Uroporphyrin-Mediated Photosensitization in the Presence of NADPH

2000 · Keizo Takeshita, Claudio A. Olea-Azar, et al. · Antioxidants and Redox Signaling · 22

Isolation and Characterization of Two Glycophorins from Horse Erythrocyte Membranes1

1981 · Jun-Ichiro MURAYAMA, Keizo TAKESHITA, et al. · The Journal of Biochemistry · 20

Works count: 80

Citation count: 2,990

H-index: 23

I10-index: 34