Masayuki Shibuya

Research interests

Publications

• Response of H− ions to extraction field in a negative hydrogen ion source

  Fusion Engineering and Design · 2017 · 10.1016/j.fusengdes.2017.02.041

• Cavity Ringdown Technique for negative-hydrogen-ion measurement in ion source for neutral beam injector

  Journal of Instrumentation · 2016 · 10.1088/1748-0221/11/03/c03018

• Charged particle flows in the beam extraction region of a negative ion source for NBI

  Review of Scientific Instruments · 2015 · 10.1063/1.4931796

• Research progress on ionic plasmas generated in an intense hydrogen negative ion source

  AIP conference proceedings · 2015 · 10.1063/1.4916473

• Polar distribution of ions and electrons in extraction region of a large-scaled caesium seeded ion source

  AIP conference proceedings · 2013 · 10.1063/1.4792781

• H− density profile and response to applied bias and extraction voltages in H− source

  AIP conference proceedings · 2013 · 10.1063/1.4792790

• Development of intense hydrogen-negative-ion source for neutral beam injectors at NIFS

  AIP conference proceedings · 2013 · 10.1063/1.4792780

• Electron density measurement of cesium seeded negative ion source by surface wave probe

  Review of Scientific Instruments · 2012 · 10.1063/1.3671745

• Spatial distribution of the charged particles and potentials during beam extraction in a negative-ion source

  Review of Scientific Instruments · 2012 · 10.1063/1.3672116

• Cavity Ring-Down System for Density Measurement of Negative Hydrogen Ion on Negative Ion Source

  AIP conference proceedings · 2011 · 10.1063/1.3637406

• Measurement of Electron Density near Plasma Grid of Large-scaled Negative Ion Source by Means of Millimeter-Wave Interferometer

  AIP conference proceedings · 2011 · 10.1063/1.3637408

• High Performance of Neutral Beam Injectors for Extension of LHD Operational Regime

  Fusion Science & Technology · 2010 · 10.13182/fst10-a10834

• Research and Development Activities on Negative Ion Sources

  Fusion Science & Technology · 2010 · 10.13182/fst10-a10835

• Beamlet characteristics in the accelerator with multislot grounded grid

  Review of Scientific Instruments · 2010 · 10.1063/1.3298844

• Characteristics of 80 keV positive ion source for Large Helical Device

  Review of Scientific Instruments · 2010 · 10.1063/1.3298843

• Recent Progress in the Negative-Ion-Based Neutral Beam Injectors in Large Helical Device

  AIP conference proceedings · 2009 · 10.1063/1.3112546

• Neutral beam injection with an improved accelerator for LHD

  Review of Scientific Instruments · 2008 · 10.1063/1.2822111

• Characteristics of long-pulse negative-ion source in the neutral beam injector of Large Helical Device

  Review of Scientific Instruments · 2006 · 10.1063/1.2166675

• High-power and long-pulse injection with negative-ion-based neutral beam injectors in the Large Helical Device

  Nuclear Fusion · 2006 · 10.1088/0029-5515/46/6/s01

• High Power Neutral Beam Injection in LHD

  Plasma Science and Technology · 2006 · 10.1088/1009-0630/8/1/6

• Endothelial Nitric Oxide Synthase Gene Is Associated With Diabetic Macular Edema in Type 2 Diabetes

  Diabetes Care · 2004 · 10.2337/diacare.27.9.2184

• Tripterygium wilfordii var. regelii which are interleukin-1 inhibitors

  Phytochemistry · 1994 · 10.1016/s0031-9422(00)90596-x

• Synthetic studies on diterpenoid quinones with interleukin-1 inhibitory activity. Total synthesis of (.+-.)- and (+)-triptoquinone A

  The Journal of Organic Chemistry · 1994 · 10.1021/jo00081a021

• Triptoquinone A and B novel interleukin-1 inhibitors from Tripterygium wilfordii var Regeli

  Tetrahedron Letters · 1992 · 10.1016/s0040-4039(00)60866-3

• Cycloaromatization of a 10-membered enediyne derivative via an allenic sulfone intermediate and its DNA cleaving activity

  Tetrahedron Letters · 1992 · 10.1016/s0040-4039(00)91587-9

• Synthesis of a sulfulr-containing 10-membered enediyne model compound related to the esperamicin/calicheamicin/dynemicin agylcones

  Tetrahedron Letters · 1991 · 10.1016/s0040-4039(00)92171-3

• Efficient Synthesis of Oligo-N-methylpyrrolecarboxamides and Relateed Compounds

  Heterocycles · 1988 · 10.3987/com-88-4615

• Synthesis of the naphthalenecarboxylic acid derivative obtained from neocarzinostatin (NCS): A structure revision

  Tetrahedron Letters · 1984 · 10.1016/s0040-4039(01)91552-7

• Synthesis of 4-acyl-2-(acylamino)-.DELTA.2-1,3,4-thiadiazolines and 4-acyl-2-amino-.DELTA.2-1,3,4-thiadiazolines by acylation of thiosemicarbazones

  The Journal of Organic Chemistry · 1980 · 10.1021/jo01296a025

• A Fragmentational Approach to Macrolides: (5‐E, 8‐Z)‐6‐methyl‐5,8‐undecadien‐11‐olide

  Angewandte Chemie International Edition in English · 1979 · 10.1002/anie.197906341

• Terpenoids. Part XV. Structure and Absolute Configuration of Oridonin isolated from Isodon japonicus and Isodon trichocarpus

  Journal of the Chemical Society C Organic · 1970 · 10.1039/j39700001674

Current projects

No projects listed.