Research Fellow of Industry-Academia-Government collaboration, QSEC, Kyoto Univ.

2004.4 - 2006.3

“Analysis of human skin sebum and animal meats by heat pulse desorption/mass spectrometry using proximity corona discharge ionization” Reviewed International coauthorship Major achievement

K. Hiraoka**, H. Shimada, K. Kinoshita, S. Rankin-Turner, S. Ninomiya*,

ANALYTICAL BIOCHEMISTRY   676   115249_1 - 8,   2023.9( ISSN：0003-2697 )

“Site-specific sodiation of peptides studied by pulsed nanoelectrospray ionization” Reviewed International coauthorship Major achievement

K. Hiraoka, D. T. Usmanov, S. Ninomiya, S. Rankin-Turner,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   490   117073_1 - 8,   2023.8( ISSN：1387-3806 )

"Sputtering produced by vacuum electrospray droplet ions with different sizes and charges" Reviewed Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   41 ( 3 )   032807_1 - 7,   2023.5( ISSN：2166-2746 )

“Electrospray droplet impact/secondary ion mass spectrometry (EDI/SIMS) applied to the analysis of explosives” Reviewed Major achievement

K. Hiraoka, R. Takaishi, S. Ninomiya, S. Rankin-Turner,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   484   116993_1 - 7,   2023.2( ISSN：1387-3806 )

“An Investigation of the Non-selective Etching of Synthetic Polymers by Electrospray Droplet Impact/Secondary Ion Mass Spectrometry (EDI/SIMS)” Reviewed Major achievement

K. Hiraoka, Y. Sakai, H. Kubota, S. Ninomiya, S. Rankin-Turner,

Mass Spectrometry,   12 ( 1 )   A0114_1 - 6,   2023.1( ISSN：2186-5116 )

“Heat Pulse Desorption of Low-Volatility Compounds by a Heated N₂ Gas Pulse with Mass Spectrometry” Reviewed Major achievement

S. Ninomiya, H. Shimada, K. Kinoshita, S. Rankin-Turner, K. Hiraoka,

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY   33 ( 11 )   2046 - 2054,   2022.11( ISSN：1044-0305 )

“Positive and negative cluster ions of amino acids formed by electrospray droplet impact/secondary ion mass spectrometry (EDI/SIMS)” Reviewed Major achievement

K. Hiraoka, S. Rankin-Turner, S. Ninomiya,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   480   116895_1 - 8,   2022.10( ISSN：1387-3806 )

“Automated remote sampling mass spectrometry” Invited Reviewed Major achievement

S. Ninomiya,

Journal of The Mass Spectrometry Society of Japan,   70 ( 3 )   209 - 210,   2022.9

“Comparative study of H₃O⁺(aq) and NH₄⁺(aq) on electrophoresis, protonating ability, and sodiation of proteins” Reviewed Major achievement

K. Hiraoka, S. Ninomiya, S. Rankin-Turner, S. Akashi,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   471   116728_1 - 8,   2022.1( ISSN：1387-3806 )

“Corona Discharge and Field Electron Emission in Ambient Air Using a Sharp Metal Needle: Formation and Reactivity of CO₃^-• and O₂^-•” Reviewed Major achievement

K. Hiraoka, S. Rankin-Turner, S. Ninomiya, H. Shimada, K. Kinoshita, S. Yamabe,

Mass Spectrometry,   10 ( 1 )   A0100_1 - 9,   2021.12( ISSN：2186-5116 )

“Current Status of a Vacuum Electrospray Droplet Ion Beam and towards TOF-SIMS Applications” Invited Reviewed Major achievement

S. Ninomiya, M. Kawase, L.C. Chen, K. Hiraoka,

Journal of Surface Analysis,   27 ( 2 )   104 - 110,   2021.11

“Reaction of CO₃^-• with trinitrotoluene (TNT) in CO₂ plasma: Experimental and theoretical study on the formation of [TNT + O]^-• and its fragmentation pathways” Reviewed Major achievement

S. Ninomiya, K. Hiraoka, N. Tsuchida, S. Yamabe,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   467   116622_1 - 9,   2021.9( ISSN：1387-3806 )

“Electrospray based Mass Spectrometry” Invited Reviewed Major achievement

L.C. Chen, S. Ninomiya,

Journal of The Surface Finishing Society of Japan,   72 ( 3 )   162 - 168,   2021.3

“Miniaturized String Sampling Probe and Electrospray Extraction/Ionization within the Ion Inlet Tube for Mass Spectrometric Endoscopy” Reviewed Major achievement

L.C. Chen, T. Iwano, S. Ninomiya, T. Koike, Y. Tanaka, K. Yoshimura,

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY   32 ( 2 )   606 - 610,   2021.2( ISSN：1044-0305 )

“Negative-mode mass spectrometric study on dc corona, ac corona and dielectric barrier discharge ionization in ambient air containing H₂O₂, 2,4,6-trinitrotoluene (TNT), and 1,3,5-trinitroperhydro-1,3,5-triazine (RDX)” Reviewed Major achievement

S. Ninomiya, S. Iwamoto, D. T. Usmanov, K. Hiraoka, S. Yamabe,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   459   116440_1 - 10,   2021.1( ISSN：1387-3806 )

“Flash desorption of low-volatility compounds deposited on the heated solid substrate (90°C) by dripping liquid methanol” Reviewed International coauthorship Major achievement

D.T. Usmanov, S. Ninomiya, K. Hiraoka,

RAPID COMMUNICATIONS IN MASS SPECTROMETRY   34 ( 23 )   e8949_1 - 9,   2020.12( ISSN：0951-4198 )

“Probe Electrospray Ionization (PESI) and Its Modified Versions: Dipping PESI (dPESI), Sheath-Flow PESI (sfPESI) and Adjustable sfPESI (ad-sfPESI)” Reviewed Major achievement

K. Hiraoka, O. Ariyada, D. T. Usmanov, L. C. Chen, S. Ninomiya, K. Yoshimura, S. Takeda, Z. Yu, M. K. Mandal, H. Wada, S. Rankin-Rankin-Turner, H. Nonami,

Mass Spectrometry,   9 ( 1 )   A0092_1 - 21,   2020.12( ISSN：2186-5116 )

“Robotic sheath-flow probe electrospray ionization/mass spectrometry (sfPESI/MS): development of a touch sensor for samples in a multiwell plastic plate” Reviewed Major achievement

K. Hiraoka, O. Ariyada, R. Sekine, S. Ninomiya, D. T. Usmanov, H. Wada, H. Nonami,

Analytical Methods   12 ( 22 )   2812 - 2819,   2020.6( ISSN：1759-9660 )

“A novel contrast of the reactions of 2,4,6-trinitrotoluene (TNT) in atmospheric-pressure O₂ and N₂ plasma: Experimental and theoretical study” Reviewed International coauthorship Major achievement

D. T. Usmanov, S. Ninomiya, K. Hiraoka, S. Yamabe,

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY   450   116308_1 - 9,   2020.4( ISSN：1387-3806 )

“Pulsed Nano-Electrospray Ionization with a High Voltage (4000 V) Pulse Applied to Solutions in the Range of 200 ns to 1 ms” Reviewed Major achievement

S. Ninomiya and K. Hiraoka,

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY   31 ( 3 )   693 - 699,   2020.3( ISSN：1044-0305 )

“Rapid desorption of low-volatility compounds in liquid droplets accompanied by the flash evaporation of solvent below the Leidenfrost temperature” Reviewed Major achievement

S. Ninomiya, S. Rankin-Turner, K. Hiraoka,

Rapid Communications in Mass Spectrometry,   34 ( 1 )   e8535_1 - 8,   2020.1( ISSN：0951-4198 )

“Point Analysis of Foods by Sheath-Flow Probe Electrospray Ionization/Mass Spectrometry (sfPESI/MS) Coupled with a Touch Sensor” Reviewed Major achievement

K. Hiraoka, S. Rankin-Turner, S. Ninomiya, R. Sekine, H. Wada, M. Matsumura, S. Sanada-Morimura, F. Tanaka, H. Nonami, O. Ariyada,

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,   68 ( 1 )   418 - 425   2020.1( ISSN：0021-8561 )

“Sheath-flow probe electrospray ionization (sfPESI) mass spectrometry for the rapid forensic analysis of human body fluids” Reviewed International coauthorship Major achievement

S. Rankin-Turner, S. Ninomiya, J. C. Reynolds, K. Hiraoka,

Analytical Methods,   11 ( 29 )   3633 - 3640,   2019.8( ISSN：1759-9660 )

“Real-time analysis of living animals and rapid screening of humanfluid samples using remote sampling electrospray ionization mass spectrometry” Reviewed Major achievement

K. Yoshimura, Y. Yamada, S. Ninomiya, W.Y. Chung, Y.T. Chang, A.R. Dennison, K. Hiraoka, S. Takeda, L.C. Chen,

JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,   172   372 - 378,   2019.8( ISSN：0731-7085 )

“Component Profiling in Agricultural Applications Using an Adjustable Acupuncture Needle for Sheath-Flow Probe Electrospray Ionization/Mass Spectrometry” Reviewed Major achievement

K. Hiraoka, S. Rankin-Turner, S. Ninomiya, H. Wada, H. Nakano, M. Matsumura, S. Sanada-Morimura, F. Tanaka, H. Nonami,

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY   67 ( 11 )   3275 - 3283,   2019.3( ISSN：0021-8561 )

“Probe electrospray ionization of mixture solutions using metal needles with different tip conditions” Reviewed Major achievement

S. Ninomiya, S. Iwamoto, L.C. Chen, K. Hiraoka,

Surface and Interface Analysis,   51 ( 1 )   100 - 104,   2019.1( ISSN：0142-2421 )

“Electrospray Generated from the Tip-Sealed Fine Glass Capillary Inserted with an Acupuncture Needle Electrode” Reviewed Major achievement

D.T. Usmanov, S. Ninomiya, K. Hiraoka, H. Wada, H. Nakano, M. Matsumura, S. Sanada-Morimura, H. Nonami,

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY,   29   2297 - 2304,   2018.12( ISSN：1044-0305 )

“Hyphenation of high-temperature liquid chromatography with high-pressure electrospray ionization for subcritical water LC-ESI-MS” Reviewed Major achievement

L.C. Chen, T. Naito, S. Ninomiya, K. Hiraoka,

ANALYST,   143 ( 22 )   5552 - 5558,   2018.11( ISSN：0003-2654 )

“Dipping probe electrospray ionization/mass spectrometry for direct on-site and low-invasive food analysis” Reviewed Major achievement

D.T. Usmanov, M.K. Mandal, K. Hiraoka, S. Ninomiya, H. Wada, M. Matsumura, S. Sanada-Morimura, H. Nonami, S. Yamabe,

FOOD CHEMISTRY,   260   53 - 60,   2018.9( ISSN：0308-8146 )

“Development of a Vacuum Electrospray Droplet Ion Gun for Secondary Ion Mass Spectrometry” Reviewed Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka,

Mass Spectrometry,   7   A0069_1 - 9,   2018.7

“Development of a Vacuum-type Electrospray Droplet Ion Gun and Its Application to Time-of-flight Secondary Ion Mass Spectrometry” Reviewed Major achievement

S. Ninomiya, Y. Takagi, L.C. Chen, K. Hiraoka,

Vacuum and Surface Science,   61   440 - 445,   2018.7

"Sputtering Yields of Polymers Produced by Vacuum Electrospray Water Droplet Ion Beams"

S. Ninomiya, Y. Miyamoto, L.C. Chen, K. Hiraoka,

The Scientific International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions (SISS-20) Abstracts,   26 - 27,   2018.6

“Evaluation of Mass and Charge state of the Droplets Produced by Vacuum Electrospray of Aqueous Solutions” Reviewed Major achievement

S. Ninomiya, R. Watanabe, L.C. Chen, K. Hiraoka,

Vacuum and Surface Science,   61   286 - 291,   2018.5

“Relative secondary ion yields produced by vacuum-type electrospray droplet ion beams” Reviewed Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   36   03F134_1 - 8,   2018.5( ISSN：1071-1023 )

“Electrospray Ionization Source with a Rear Extractor” Reviewed Major achievement

L.C. Chen, S. Tsutsui, T. Naito, S. Ninomiya, K. Hiraoka,

JOURNAL OF MASS SPECTROMETRY   53   400 - 407,   2018.5( ISSN：1076-5174 )

“Remote sampling mass spectrometry for dry samples: Sheath-flow probe electrospray ionization (PESI) using a gel loading tip inserted with an acupuncture needle” Reviewed Major achievement

D. T. Usmanov, K. B. Ashurov, S. Ninomiya, K. Hiraoka, H. Wada, H. Nakano, M. Matsumura, S. Sanada-Morimura, H. Nonami,

Rapid Communications in Mass Spectrometry,   32   407 - 413,   2018.3( ISSN：0951-4198 )

“Flash desorption mass spectrometry of solid materials using a pre-heated knife-edge filament” Major achievement

S. Ninomiya, D. T. Usmanov, K. Hiraoka,

Proceedings of 11th International Symposium on Atomic Level Characterizations for New Materials and Devices '17 (ALC ’17),   176 - 179,   2017.12

“Probe electrospray ionization of mixture solutions using metal needles with different tip conditions” Major achievement

S. Ninomiya, S. Iwamoto, L.C. Chen, K. Hiraoka,

Proceedings of 11th International Symposium on Atomic Level Characterizations for New Materials and Devices '17 (ALC ’17),   171 - 175,   2017.12

“Pulsed probe electrospray and nano-electrospray: the temporal profiles of ion formation from the Taylor cone” Reviewed Major achievement

D. T. Usmanov, K. Hiraoka, S. Ninomiya, L.C. Chen, H. Wada, M. Matsumura, S. Sanada-Morimura, K. Nakata, H. Nonami,

Analytical Methods,   9   4958 - 4963,   2017.9( ISSN：1759-9660 )

“Towards Practical Endoscopic Mass Spectrometry” Reviewed Major achievement

L.C. Chen, K. Yoshimura, S. Ninomiya, S. Takeda, K. Hiraoka,

Mass Spectrometry,   6 ( 3 )   S0070_1 - 8,   2017.8

“Development of an Ion Gun Using Vacuum Electrospray” Invited Reviewed Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka,

　   60 ( 8 )   321 - 327,   2017.8

“In vivo endoscopic mass spectrometry using a moving string sampling probe” Reviewed

L.C Chen, T. Naito, S. Tsutsui, Y. Yamada, S. Ninomiya, K. Yoshimura, S. Takeda, K. Hiraoka,

Analyst,   142   2735 - 2740,   2017.8( ISSN：0003-2654 )

“Analysis of fluorene and 9,9-dialkylfluorenes by electrospray droplet impact (EDI)/SIMS” Reviewed Major achievement

R. Takaishi, D. T. Usmanov, S. Ninomiya, Y. Sakai, K. Hiraoka, H. Wada, M. Matsumura, S. Sanada-Morimura, H. Nonami, S. Yamabe,

International Journal of Mass Spectrometry,   419   29 - 36,   2017.8( ISSN：1387-3806 )

“Development of Remote Sampling ESI Mass Spectrometry for the Rapid and Automatic Analysis of Multiple Samples” Reviewed

Y. Yamada, S. Ninomiya, K. Hiraoka, L.C. Chen,

Mass Spectrometry,   5   S0068_1 - 6,   2017.3

“Desorption in mass spectrometry” Reviewed

D.T. Usmanov, S. Ninomiya, L.C. Chen, S. Saha, M.K. Mandal, Y. Sakai, R. Takaishi, A. Habib, K. Hiraoka, K. Yoshimura, S. Takeda, H. Wada, H. Nonami,

Mass Spectrometry,   6   S0059_1 - 16,   2017.2

“Particle Impact-Induced Desorption/Ionization for Mass Spectrometry” Invited Reviewed Major achievement

S. Ninomiya,

Journal of The Mass Spectrometry Society of Japan,   65   17 - 20,   2017.2

“Sputtering properties for polyimide by vacuum electrospray droplet impact (V-EDI) using size-selected cluster ions” Reviewed Major achievement

Y. Sakai, S. Ninomiya, K. Hiraoka,

Surface and Interface Analysis,   49   127 - 132,   2017.2( ISSN：0142-2421 )

“Secondary Ion Mass Spectrometry Analysis of Renal Cell Carcinoma with Electrospray Droplet Ion Beams” Reviewed Major achievement

S. Ninomiya, K. Yoshimura, L.C. Chen, S. Takeda, K. Hiraoka,

Mass Spectrometry,   6   A0053_1 - 6,   2017.1

“Secondary ion yields for vacuum-type electrospray droplet beams measured with a triple focus time-of-flight analyzer” Reviewed Major achievement

S. Ninomiya, Y. Sakai, R. Watanabe, M. Sogou, T. Miyayama, D. Sakai, K. Watanabe, L.C. Chen, K. Hiraoka,

Rapid Communications in Mass Spectrometry,   30   2279 - 2284,   2016.10( ISSN：0951-4198 )

“Super-atmospheric pressure ionization mass spectrometry and its application to ultrafast online protein digestion analysis” Reviewed Major achievement

L.C. Chen, S. Ninomiya, K. Hiraoka,

Journal of Mass Spectrometry,   51   396 - 411,   2016.6( ISSN：1076-5174 )

“Secondary ions produced by electrospray droplet impact with m/z selection from 10^3 to 10^6” Reviewed Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, K. Hiraoka,

Journal of Vacuum Science and Technology B,   34   03H116_1 - 6,   2016.5( ISSN：1071-1023 )

“Cluster Ion Beams for SIMS and XPS” Invited Reviewed Major achievement

S. Ninomiya,

Journal of The Surface Science Society of Japan,   37 ( 4 )   178 - 183,   2016.4

“Rapid Online Non-Enzymatic Protein Digestion Analysis with High Pressure Superheated ESI-MS” Reviewed

L.C. Chen, M. Kinoshita, M. Noda, S. Ninomiya, K. Hiraoka,

Journal of The American Society for Mass Spectrometry,   26   1085 - 1091,   2015.7

“Probe electrospray ionization (PESI) mass spectrometry with discontinuous atmospheric pressure interface (DAPI)” Reviewed

D.T. Usmanov, S. Saha, L.C. Chen, S. Ninomiya, M.K. Mandal, and K. Hiraoka,

European Journal of Mass Spectrometry,   21   327 - 334,   2015.2

“XPS depth analysis of metal/polymer multilayer by vacuum electrospray droplet impact” Reviewed Major achievement

Y. Sakai, R. Takaishi, S. Ninomiya, K. Hiraoka,

Surface and Interface Analysis,   47   77 - 81,   2015.1

“Piezoelectric inkjet assisted rapid electrospray ionization mass spectrometric analysis of metabolites in plant single cells via a direct sampling probe” Reviewed

Z. Yu, L.C. Chen, S. Ninomiya, M.K. Mandal, K. Hiraoka, H. Nonami,

Analyst,   139   5734 - 5739,   2014.11

“Evaluation of a diode laser assisted vacuum-type charged droplet beam source” Reviewed Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, K. Hiraoka,

Surface and Interface Analysis,   46 ( [S1] )   364 - 367,   2014.11

“Desorption Mass Spectrometry for Nonvolatile Compounds Using an Ultrasonic Cutter” Reviewed Major achievement

A. Habib, S. Ninomiya, L.C. Chen, D.T. Usmanov, K. Hiraoka,

Journal of The American Society for Mass Spectrometry,   25   1177 - 1180,   2014.7

“Characteristics of Charged Droplet Beams Produced from Vacuum Electrospray” Reviewed Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka,

Journal of Surface Analysis,   20 ( 3 )   171 - 176,   2014.3

“Alternating current corona discharge/atmospheric pressure chemical ionization for mass spectrometry” Reviewed Major achievement

A. Habib, D. Usmanov, S. Ninomiya, L.C. Chen, K. Hiraoka,

Rapid Communications in Mass Spectrometry,   27   2760 - 2766,   2013.12

“Flash Desorption/Mass Spectrometry for the Analysis of Less- and Nonvolatile Samples Using a Linearly Driven Heated Metal Filament” Reviewed Major achievement

D. Usmanov, S. Ninomiya, K. Hiraoka,

Journal of The American Society for Mass Spectrometry,   24   1727 - 1735,   2013.8

“Development of sheath-flow probe electrospray ionization (SF-PESI)” Reviewed Major achievement

Md.O. Rahman, M.K. Mandal, Y. Shida, S. Ninomiya, L.C. Chen, H. Nonami, K. Hiraoka,

Journal of Mass Spectrometry,   48   823 - 829,   2013.7

“Threshold behaviour of ion formation for noble metals (Au, Ag, Cu, Pt) irradiated by 4 ns 532 nm laser” Reviewed Major achievement

D. Usmanov, L.C. Chen, S. Ninomiya, K. Hiraoka,

International Journal of Mass Spectrometry,   341-342   45 - 51,   2013.5

“Trace Level Detection of Explosives in Solution Using Leidenfrost Phenomenon Assisted Thermal Desorption Ambient Mass Spectrometry” Reviewed

S. Saha, M.K. Mandal, L.C. Chen, S. Ninomiya, Y. Shida, Kenzo Hiraoka,

Mass Spectrometry,   2   S0008_1 - 5,   2013.3

“Development of a high-performance electrospray droplet beam source”, Reviewed Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, H. Suzuki, K. Hiraoka,

Surface and Interface Analysis,   45   126 - 130,   2013.1

“Solid probe assisted nanoelectrospray ionization mass spectrometry for biological tissue diagnostics” Reviewed

M.K. Mandal, K. Yoshimura, S. Saha, S. Ninomiya, Md.O. Rahman, Z. Yu, L.C. Chen, Y. Shida, S. Takeda, H. Nonami, K. Hiraoka,

Analyst,   137   4658 - 4661,   2012.10

“XPS depth analysis of CuO by electrospray droplet impact” Reviewed Major achievement

Y. Sakai, S. Ninomiya, K. Hiraoka,

Surface and Interface Analysis,   44   938 - 941,   2012.8

“Vacuum electrospray of volatile liquids assisted by infrared laser irradiation” Reviewed Major achievement

S. Ninomiya, L. C. Chen, H. Suzuki, Y. Sakai, K. Hiraoka,

Rapid Communications in Mass Spectrometry,   26   863 - 869,   2012.4

“X-ray photoelectron spectroscopy depth analysis of metal oxides by electrospray droplet impact” Reviewed Major achievement

Y. Sakai, S. Ninomiya, K. Hiraoka,

Surface and Interface Analysis,   43   1605 - 1609,   2011.12

"Low Damage Milling of an Amino Acid thin film with Cluster Ion Beam" Reviewed

M. Hada, S. Ibuki, Y. Hontani, Y. Yamamoto, K. Ichiki, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Journal of Applied Physics,   110   09470_1 - 5,   2011.11

“Highly sensitive molecular detection with swift heavy ions” Reviewed

Y. Wakamatsu, H. Yamada, S. Ninomiya, B.N. Jones, T. Seki, T. Aoki, R. Webb, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   269   2251 - 2253,   2011.10

“The effects of cluster size on sputtering and surface smoothing of PMMA with gas cluster ion beams” Reviewed

K. Ichiki, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   36   309 - 312,   2011.9

“Development of double cylindrical dielectric barrier discharge ion source” Reviewed Major achievement

K. Hiraoka, S. Ninomiya, L.C. Chen, T. Iwama, M.K. Mandal, H. Suzuki, O. Ariyada, H. Furuya, K. Takekawa,

Analyst,   136   1210 - 1215,   2011.3

“Using ellipsometry for the evaluation of surface damage and sputtering yield in organic films with irradiation of argon cluster ion beams” Reviewed

M. Hada, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Surface and Interface Analysis,   43   84 - 87,   2011.1

“The effect of incident energy on molecular depth profiling of polymers with large Ar cluster ion beams” Reviewed Major achievement

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Surface and Interface Analysis,   43   221 - 224,   2011.1

“Analysis of organic semiconductor multilayers with Ar cluster secondary ion mass spectrometry” Reviewed Major achievement

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Surface and Interface Analysis,   43   95 - 98,   2011.1

“Surface morphology of PMMA surfaces bombarded with size-selected gas cluster ion beams” Reviewed Major achievement

K. Ichiki, S. Ninomiya, Y. Nakata, H. Yamada, T. Seki, T. Aoki, J. Matsuo,

Surface and Interface Analysis,   43   120 - 122,   2011.1

“MeV-energy probe SIMS imaging of major components in washed and fractured animal cells” Reviewed

H. Yamada, Y. Nakata, S. Ninomiya, T. Seki, T. Aoki, J. Tamura, J. Matsuo,

Surface and Interface Analysis,   43   363 - 366,   2011.1

“Development of a Remote-from-Plasma Dielectric Barrier Discharge Ion Source and Its Application to Explosives” Reviewed

K. Hiraoka, L.C. Chen, T. Iwama, M.K. Mandal, S. Ninomiya, H. Suzuki, O. Ariyada, H. Furuya, K. Takekawa,

Journal of the Mass Spectrometry Society of Japan,   58   215 - 220,   2010.12

“Anisotropic Etching Using Reactive Cluster Beams” Reviewed

K. Koike, Y. Yoshino, T. Senoo, T. Seki, S. Ninomiya, T. Aoki, J. Matsuo,

Applied Physics Express,   3   126501,   2010.12

“Processing Techniques of Biomaterials: Using Gas Cluster Ion Beam for Imaging Mass Spectrometry” Reviewed

H. Yamada, K. Ichiki, Y. Nakata, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   35   793 - 796,   2010.12

“SIMS Depth Profiling of Organic Materials with Ar Cluster Ion Beam” Reviewed

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   35   785 - 788,   2010.12

“Sputtering Properties of Si by Size-Selected Ar Gas Cluster Ion Beam” Reviewed

K. Ichiki, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   35   789 - 792,   2010.12

“SIMS with highly excited primary beams for molecular depth profiling and imaging of organic and biological materials” Reviewed

J. Matsuo, S. Ninomiya, H. Yamada, K. Ichiki, Y. Wakamatsu, M. Hada, T. Seki, T. Aoki,

Surface and Interface Analysis,   42   1612 - 1615,   2010.10

“SIMS with highly excited primary beams for molecular depth profiling and imaging of organic and biological materials” Reviewed

H. Yamada, K. Ichiki, Y. Nakata, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   268   1736 - 1740,   2010.6

“Evaluation of Damage Layer in an Organic Film with Irradiation of Energetic Ion Beams” Reviewed

M. Hada, S. Ibuki, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Japanese Journal of Applied Physics,   49 ( 3R )   036503_1 - 5,   2010.3

“Organic Depth Profiling of a Nanostructured Delta Layer Reference Material Using Large Argon Cluster Ions” Reviewed Major achievement

J.L.S. Lee, S. Ninomiya, J. Matsuo, I.S. Gilmore, M.P. Seah, A.G. Shard,

Analytical Chemistry,   82   98 - 105,   2010.1

“The emission process of secondary ions from solids bombarded with large gas cluster ions” Reviewed Major achievement

S. Ninomiya, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   267   2601 - 2604,   2009.8

“A Processing Technique of Cell Surface Using Gas Cluster Ions for Imaging Mass Spectrometry” Reviewed Major achievement

H. Yamada, K. Ichiki, Y. Nakata, S. Ninomiya, T. Seki, T. Aoki, Jiro Matsuo,

Journal of the Mass Spectrometry Society of Japan,   57 ( 3 )   117 - 121,   2009.6

“Precise and fast secondary ion mass spectrometry depth profiling of polymer materials with large Ar cluster ion beams” Reviewed

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Rapid Communications in Mass Spectrometry,   23   1601 - 1606,   2009.6

“Imaging Mass Spectrometry with Nuclear Microprobes for Biological Applications” Reviewed Major achievement

Y. Nakata, H. Yamada, Y. Honda, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   267   2144 - 2148,   2009.6( ISSN：0168-583X )

“Study of crater formation and sputtering process with large gas cluster impact by molecular dynamics simulations” Reviewed Major achievement

T. Aoki, T. Seki, S. Ninomiya, K. Ichiki, Jiro Matsuo,

Nuclear Instruments and Methods in Physics Research B,   267 ( 8-9 )   1424 - 1427,   2009.5( ISSN：0168-583X )

“Sputtering yield measurements with size-selected gas cluster ion beams” Reviewed Major achievement

K. Ichiki, S. Ninomiya, T. Seki, T. Aoki, Jiro Matsuo,

Material Reserach Society Symposium Proceedings,   1181   - DD13-25,   2009.4

“Low Damage Etching of Polymer Materials for Depth Profile Analysis Using Large Ar Cluster Ion Beam” Reviewed

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, Y. Honda, T. Seki, T. Aoki, J. Matsuo,

Journal of Surface Analysis,   15   275 - 278,   2009.3

“Matrix-free high-resolution imaging mass spectrometry with high-energy ion projectiles” Reviewed Major achievement

Y. Nakata, Y. Honda, S. Ninomiya, T. Seki, T. Aoki, Jiro Matsuo,

Journal of Mass Spectrometry   44 ( 1 )   128 - 136,   2009.1

“Yield enhancement of molecular ions with MeV ion-induced electronic excitation” Reviewed Major achievement

Y. Nakata, Y. Honda, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Applied Surface Science,   255 ( 4 )   1591 - 1594,   2008.12( ISSN：0169-4332 )

“A fragment-free ionization technique for organic mass spectrometry with large Ar cluster ions” Reviewed Major achievement

S. Ninomiya, Y. Nakata, Y. Honda, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

Applied Surface Science,   255   1588 - 1590,   2008.12( ISSN：0169-4332 )

“Secondary ion emission from Si bombarded with large Ar cluster ions under UHV conditions” Reviewed Major achievement

S. Ninomiya, K. Ichiki, Y. Nakata, Y. Honda, T. Seki, T. Aoki, J. Matsuo,

Applied Surface Science,   255 ( 4 )   880 - 882,   2008.12( ISSN：0169-4332 )

“What size of cluster is most appropriate for SIMS?” Reviewed Major achievement

J. Matsuo, S. Ninomiya, Y. Nakata, Y. Honda, K. Ichiki, T. Seki, T. Aoki,

Applied Surface Science,   255 ( 4 )   1235 - 1238,   2008.12( ISSN：0169-4332 )

“MD simulation study of the sputtering process by high-energy gas cluster impact” Reviewed Major achievement

T. Aoki, T. Seki, S. Ninomiya, J. Matsuo,

Applied Surface Science,   255 ( 4 )   944 - 947,   2008.12( ISSN：0169-4332 )

“High sputtering yields of organic compounds by large gas cluster ions” Reviewed Major achievement

K. Ichiki, S. Ninomiya, Y. Nakata, Y. Honda, T. Seki, T. Aoki, J. Matsuo,

Applied Surface Science,   255 ( 4 )   1148 - 1150,   2008.12( ISSN：0169-4332 )

“Quantitative SIMS Analysis of Biological Mixtures with Fast Heavy Ion Irradiation” Reviewed Major achievement

Y. Honda, Y. Nakata, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   33 ( 4 )   1039 - 1041,   2008.12

“Low Damage Etching and SIMS Depth Profiling with Large Ar Cluster Ions” Reviewed

S. Ninomiya, K. Ichiki, H. Yamada, Y. Nakata, Y. Honda, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   33   1043 - 1046,   2008.12

“Ion-Induced Emission of Amino Acid Molecular Ions from Thin Films” Reviewed

Y. Nakata, Y. Honda, S. Ninomiya, J. Matsuo,

Transactions of the Materials Research Society of Japan,   32 ( 4 )   899 - 901,   2007.12

“The Effect of Incident Ion Size on Secondary Ion Yields Produced from Si” Reviewed

S. Ninomiya, K. Ichiki, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Transactions of the Materials Research Society of Japan,   32 ( 4 )   895 - 898,   2007.12

“Molecular dynamics study of monomer and dimer emission processes with high energy gas cluster ion impact” Reviewed Major achievement

T. Aoki, T. Seki, S. Ninomiya, J. Matsuo,

Surface & Coatings Technology,   201 ( 19-20 )   8427 - 8430,   2007.8( ISSN：0257-8972 )

“Low damage smoothing of magnetic material films using　a gas cluster ion beam” Reviewed Major achievement

S. Kakuta, S. Sasaki, T. Hirano, K. Ueda, T. Seki, S. Ninomiya, M. Hada, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   257 ( 1-2 )   677 - 682,   2007.4( ISSN：0168-583X )

“Size effect in cluster collision on solid surfaces” Reviewed Major achievement

J. Matsuo, S. Ninomiya, Y. Nakata, K. Ichiki, T. Aoki, T. Seki,

Nuclear Instruments and Methods in Physics Research B,   257 ( 1-2 )   627 - 631,   2007.4( ISSN：0168-583X )

“Secondary ion emission from bio-molecular thin films under ion bombardment” Reviewed Major achievement

Y. Nakata, S. Ninomiya, Jiro Matsuo,

Nuclear Instruments and Methods in Physics Research B,   256 ( 1 )   489 - 492,   2007.3( ISSN：0168-583X )

“Measurements of secondary ions emitted from organic compounds bombarded with large gas cluster ions” Reviewed Major achievement

S. Ninomiya, Y. Nakata, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   256 ( 1 )   493 - 496,   2007.3( ISSN：0168-583X )

“The effect of incident cluster ion energy and size on secondary ion yields emitted from Si” Reviewed Major achievement

S. Ninomiya, K. Ichiki, Y. Nakata, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   256 ( 1 )   528 - 531,   2007.3( ISSN：0168-583X )

“Surface oxidation of Si assisted by irradiation with large gas cluster ion beam in an oxygen atmosphere” Reviewed Major achievement

K. Ichiki, S. Ninomiya, T. Seki, T. Aoki, J. Matsuo,

Nuclear Instruments and Methods in Physics Research B,   256 ( 1 )   350 - 353,   2007.3( ISSN：0168-583X )

“Secondary ion measurements for oxygen cluster ion SIMS” Reviewed Major achievement

S. Ninomiya, T. Aoki, T. Seki, J. Matsuo,

Applied Surface Science,   252 ( 19 )   7290 - 7292,   2006.7( ISSN：0169-4332 )

“High-intensity Si cluster ion emission from a silicon target bombarded with large Ar cluster ions” Reviewed Major achievement

S. Ninomiya, T. Aoki, T. Seki, J. Matsuo,

Applied Surface Science,   252 ( 19 )   6550 - 6553,   2006.7( ISSN：0169-4332 )

“A Comparison of Ions with Neutrals Emitted from Semiconductors Bombarded by MeV Si Ions” Reviewed

Y. Nakata, S. Ninomiya, T. Aoki, H. Tsuchida, J. Matsuo, A. Itoh,

　   30 ( 3 )   797 - 800,   2005.6

“Secondary neutral and ionized particle measurements under MeV-energy ion bombardment” Reviewed Major achievement

Y. Nakata, S. Ninomiya, C. Imada, M. Nagai, T. Aoki, J. Matsuo, N. Imanishi,

Nuclear Instruments and Methods in Physics Research B,   230   489 - 494,   2005.4( ISSN：0168-583X )

“Total sputtering yields of solids under MeV-energy Si ion bombardment” Reviewed Major achievement

S. Ninomiya, C. Imada, M. Nagai, Y. Nakata, T. Aoki, J. Matsuo, N. Imanishi,

Nuclear Instruments and Methods in Physics Research B,   230   483 - 488,   2005.4( ISSN：0168-583X )

“Secondary cluster-ion emission from III-V semiconductive materials under MeV-energy heavy-ion bombardment” Reviewed Major achievement

S. Ninomiya, C. Imada, M. Nagai, Y. Nakata, N. Imanishi,

Physical Review A,   70 ( 4 )   042903_1 - 8,   2004.10( ISSN：2469-9926 )

“Nuclear and Electronic Sputtering Induced by High Energy Heavy Ions” Reviewed

N. Imanishi and S. Ninomiya,

Journal of Nuclear and Radiochemical Sciences,   5 ( 1 )   R9 - R17,   2004.6

“Material dependence of electronic sputtering induced by MeV-energy heavy ions” Reviewed Major achievement

S. Ninomiya and N. Imanishi,

Vacuum,   73 ( 1 )   79 - 87,   2004.3( ISSN：0042-207X )

“Cluster-ion emission from semiconductive chemical compounds under MeV-energy heavy ion bombardment” Reviewed Major achievement

S. Ninomiya, S. Gomi, C. Imada, M. Nagai, M. Imai, N. Imanishi,

Nuclear Instruments and Methods in Physics Research B,   209   233 - 238,   2003.8( ISSN：0168-583X )

“Material-dependent emission mechanism of secondary atomic ions from solids under MeV-energy heavy ion bombardment” Reviewed Major achievement

S. Ninomiya, N. Imanishi, J. Xue, S. Gomi, M. Imai,

Nuclear Instruments and Methods in Physics Research B,   193 ( 1-4 )   745 - 750,   2002.6( ISSN：0168-583X )

“Dependence of Heavy Ion Induced Secondary Ion Emission on Electric Conductivity in MeV Energy Range”

S. Ninomiya, S. Gomi, J. Xue, M. Imai, N. Imanishi,

Proceedings of 16th International Conference on Application of Accelerators in Research and Industry,   543 - 547,   2001.12

“Emission energy distribution of secondary ions produced through the electronic sputtering process under heavy ion bombardment” Reviewed

N. Imanishi, H. Ohta, S. Ninomiya, A. Itoh,

Nuclear Instruments and Methods in Physics Research B,   164-165   803 - 808,   2000.4( ISSN：0168-583X )

【Poster presentation】"Non-selective Etching of Synthetic Polymers Investigated by Electrospray Droplet Impact/Secondary Ion Mass Spectrometry (EDI/SIMS)" (2P-56) International coauthorship Major achievement

S. Ninomiya, Y. Sakai, N. Kubota, S. Rankin-Turner, K. Hiraoka,

The 71st Annual Conference on Mass Spectrometry,  2023.5 

【Poster presentation by a student】"Skin Surface Lipid Analysis of Different Generations Using a Combination of Heat Pulse Desorption and Proximity Corona Discharge Ion Source" (2P-52) International coauthorship Major achievement

R. Osawa, S. Ninomiya, K. Hiraoka, H. Shimada, K. Kinoshita, S. Rankin-Turner,

The 71st Annual Conference on Mass Spectrometry,  2023.5 

【Poster presentation】"Site-Specific Sodiation of Peptides Studied by Pulsed Nano-Electrospray Ionization" (1P-44) International coauthorship Major achievement

S. Ninomiya, D. T. Usmanov, S. Rankin-Turner, S. Akashi, K. Hiraoka,

The 71st Annual Conference on Mass Spectrometry,  2023.5 

Organic SIMS ～Towards Surface Analysis of Materials～ Invited Major achievement

Satoshi Ninomiya

Microbeam Analysis Technical Section, Training Seminar 2023, "Various methods for utlization of high-sensitive mass spectrometry"  2023.4  The Japan Society of Vacuum and Surface Science

【Oral presentation】 “Fundamental properties of vacuum electrospray droplet ion beams produced by capillaries with different inner diameters” (19a-3-4) International conference Major achievement

S. Ninomiya, S. Tsuneki, L.C. Chen, K. Hiraoka,

14th International Symposium on Atomic Level Characterizations for New Materials and Devices ’22 (ALC '22),  2022.10  Tetsuya Hasegawa & Retsu Oiwa

【Poster presentation by a student】“Mass spectrometry of peptide mixture solutions using a pulsed nano-electrospray ionization” (18P-11) International conference Major achievement

Y. Tanaka, S. Ninomiya, K. Hiraoka,

14th International Symposium on Atomic Level Characterizations for New Materials and Devices ’22 (ALC '22),  2022.10  Tetsuya Hasegawa & Retsu Oiwa

【Poster presentation】“Mass spectrometry using desorption by flash injection of heated gas up to 400°C” (18P-12) International conference Major achievement

S. Ninomiya, R. Oosawa, H. Shimada, K. Kinoshita, K. Hiraoka,

14th International Symposium on Atomic Level Characterizations for New Materials and Devices ’22 (ALC '22),  2022.10  Tetsuya Hasegawa & Retsu Oiwa

【Oral presentation by a student】"Effects of Spray Voltage on Sputtered Volumes Produced by Vacuum Electrospray Droplet" (22p-V205-13) Major achievement

S. Tsuneki, S. Ninomiya, L.C. Chen, K. Hiraoka,

The 83rd JSAP Autumn Meeting 2022,  2022.9 

【Oral presentation】 “Properties of vacuum electrospray droplet ion beams produced by capillaries with different inner diameters” (RA-WeM2-3) International conference Major achievement

S. Ninomiya, S. Tsuneki, L.C. Chen, K. Hiraoka,

23rd International Conference on Secondary Ion Mass Spectrometry (SIMS 23),  2022.9  Anna Belu

【Invited】“Heat pulse desorption mass spectrometry” International conference Major achievement

S. Ninomiya, R. Oosawa, H. Shimada, K. Kinoshita, K. Hiraoka,

Workshop on Ion Chemistry and Plasmas (JSPS Japan-Slovakia Joint Workshop),  2022.8  Prof. Štefan Matejčík

【Oral presentation by a student】 “A robotic instrument for automated sampling and consecutive mass spectrometry” International conference Major achievement

T. Shimizu, S. Ninomiya, K. Yoshimura, T. Iwano, K. Hiraoka,

Workshop on Ion Chemistry and Plasmas (JSPS Japan-Slovakia Joint Workshop),  2022.8  Prof. Štefan Matejčík

【Poster presentation】"Study on the formation of amino acid cluster ions by electrospray droplet impact/SIMS and thermal desorption method" (3P-32) Major achievement

S. Ninomiya, K. Hiraoka,

The 70th Annual Conference on Mass Spectrometry,  2022.6  The Mass Spectrometry Society of Japan

【Poster presentation】"Mass Spectrometry Using Desorption by Flash Blow of Heated Gas on the Samples" (3P-31) Major achievement

S. Ninomiya, R. Osawa, H. Shimada, K. Kinoshita, K. Hiraoka,

The 70th Annual Conference on Mass Spectrometry,  2022.6 

【Poster presentation】"Comparative Study of H₃O⁺((aq) and NH₄⁺(aq) on Electrophoresis, Protonating Ability, and Sodiation of Proteins by Electrospray Ionization" (2P-47) Major achievement

S. Ninomiya, S. Akashi, S. Rankin-Turner, K. Hiraoka,

The 70th Annual Conference on Mass Spectrometry,  2022.6 

【Oral presentation by a student】"Study on sfPESI probe for fully automated continuous mass spectrometry" 1B-O1-1730 (1P-40) Major achievement

T. Shimizu, S. Ninomiya, K. Hiraoka,

The 70th Annual Conference on Mass Spectrometry,  2022.6 

【Poster presentation by a student】"Mass Spectrometry of Peptide Mixture Samples Using a Pulsed Nano-Electrospray Ionization" (1P-17) Major achievement

Y. Tanaka, S. Ninomiya, L.C. Chen, K. Hiraoka,

The 70th Annual Conference on Mass Spectrometry,  2022.6 

"Negative Ionization Mass Spectrometry Using a Metal Needle and the Related Ionization Processes", Invited Major achievement

S. Ninomiya,

The 79th Workshop on Fundamentals, Ionization and Ion Chemistry in Mass Spectrometry,  2022.3 

"Impact Marks and Sputtering Volumes Produced by Vacuum Electrospray Droplet Ions" Major achievement

M. Kawase, S. Tsuneki, L.C. Chen, K. Hiraoka, S. Ninomiya,

The 69th JSAP Spring Meeting 2022  2022.3 

"Characteristics of droplet ions investigated by vacuum electrospray droplet bombardments", Invited Major achievement

S. Ninomiya, M. Kawase, S. Tsuneki, L.C. Chen, K. Hiraoka,

57th workshop of the Surface Analysis Society of Japan,  2022.3 

"Negative ionization mass spectrometry of explosives and the related ionization processes", Invited Major achievement

S. Ninomiya,

8th workshop of the JSPS R026 Committee on Future Design Committee of Advanced Measurement and Analysis,  2022.3 

"The Effect of Capillary Inner Diameter on Polystyrene Sputtering Produced by Vacuum Electrospray Droplet Ion Beams" P-6, International conference Major achievement

M. Kawase, S. Ninomiya, L.C. Chen, K. Hiraoka,

21st Scientific International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions (SISS-21),  2021.12 

"Effects of organic solvents on electrospray ionization mass spectrometry for mixture samples" 20PH03, International conference Major achievement

Tomu Sagami, Kenzo Hiraoka , Satoshi Ninomiya,

13th International Symposium on Atomic Level Characterizations for New Materials and Devices'21,  2021.10 

"Automatic remote sampling mass spectrometry using a robotic ionization instrument", Invited Major achievement

S. Ninomiya,

5th meeting of Micro Beam Analysis (MBA) Technical Subcommittee,  2021.9 

"Development of a robotic ionization instrument for fully automatic mass spectrometry" F1105, Major achievement

S. Ninomiya, T. Shimizu, L.C. Chen, K. Hiraoka,

70th Conference of the Japan Society for Analytical Chemistry,  2021.9 

"Sputtered Volumes Produced by Vacuum Electrospray Droplet Ion Beams obtained from capillaries with different inner diameter" 10a-N402-7, Major achievement

M. Kawase, S. Ninomiya, L.C. Chen, K. Hiraoka,

The 82nd JSAP Autumn Meeting 2021,  2021.9 

"Mass Spectrometry by Pulsed nano Electrospray ionization for mixed samples" 3P-31, Major achievement

T. Sagami, S. Ninomiya, L.C. Chen, K. Hiraoka,

The 69th Annual Conference on Mass Spectrometry,  2021.5 

"Study on Pulsed Vacuum Electrospray Droplet Ion Beams for TOF-SIMS Applications" Major achievement

S. Ninomiya, M. Kawase, T. Sagami, L.C. Chen, K. Hiraoka,

The 68th JSAP Spring Meeting 2021  2021.3 

"Current status and issues of vacuum electrospray droplet ion beams for TOF-SIMS applications" Invited Major achievement

S. Ninomiya, M. Kawase, L.C. Chen, K. Hiraoka,

Symposium on Practical Surface Analysis 2020 (PSA-20)  2020.11  Surface Analysis Society of Japan

"Size Distributions of Vacuum Electrospray Droplet Ion Beams and Sputtered Volumes Produced by the Ions" OP-05,

M. Kawase, S. Ninomiya, L.C. Chen, K. Hiraoka,

13th SIMS research meeting,  2020.9  SISS

"Study on Size Distributions of Vacuum Electrospray Droplet Ions" Major achievement

S. Ninomiya, M. Kawase, L.C. Chen, K. Hiraoka,

The 81st JSAP Autumn Meeting 2020  2020.9 

【Oral Presentation】 “Useful ion yields estimated from secondary ion and sputtering yields produced by vacuum electrospray droplet ion beams” International conference Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

22th International Conference on Secondary Ion Mass Spectrometry (SIMS-22),  2019.10  Jiro Matsuo

"Useful Ion Yields of Biomolecules Produced by Vacuum Electrospray Droplet Ion Impact" 20a-E203-8, Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

The 80th JSAP Autumn Meeting 2019,  2019.9  The Japan Society of Applied Physics (JSAP)

"Sputtering and Secondary Ion Yields Produced by the Vacuum Electrospray Droplet Ion Beams" 2E-O1-1030, Major achievement

S. Ninomiya, Y. Takagi, L.C. Chen, K. Hiraoka,

The 67th Annual Conference on Mass Spectrometry,  2019.5  Mass Spectrometry Society of Japan (MSSJ)

"Automatic Sampling Mass Spectrometry of Different Samples Using the Sheath-flow Probe Electrospray Ion Source" 1P-25, Major achievement

R. Sekine, S. Ninomiya, K. Hiraoka, S. Rankin-Turner, H. Wada, H. Nakano, M. Matsumura, Y. Sanada-Morimura, F. Tanaka, H. Nonami,

The 67th Annual Conference on Mass Spectrometry,  2019.5 

【Invited speaker】"Surface analysis with electrospray droplet ion beams" OQD-18-077, Invited Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka

Optical and Quantum Devices, IEE Japan,  2018.12 

【Poster presentation】 “Sputtering Yields of Polymers Produced by Vacuum Electrospray Water Droplet Ion Beams” P-6, International conference Major achievement

S. Ninomiya, Y. Miyamoto, L.C. Chen, K. Hiraoka,

The International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions (SISS-20),  2018.6  H. Yurimoto

【Award lecture】"Development of a Vacuum Electrospray Droplet Ion Gun for Secondary Ion Mass Spectrometry" 2A-AW-1025, Invited Major achievement

S. Ninomiya,

The 66th Annual Conference on Mass Spectrometry,  2018.5  Mass Spectrometry Society of Japan (MSSJ)

"Evaluation of Secondary Ion Mass Spectrometry Using Massive Cluster Ion Beams" 1P-38, Major achievement

Y. Takagi, S. Ninomiya, N. Horiuchi, L.C. Chen, K. Hiraoka,

The 66th Annual Conference on Mass Spectrometry,  2018.5 

"Sheath-flow Probe Electrospray Ionization Source for Remote Sampling Mass Spectrometry" 1C-O2-M-1740, Major achievement

S. Ninomiya, D.T. Usmanov, K. Hiraoka, H. Wada, H. Nakano, M. Matsumura, S. Sanada-Morimura, H. Nonami,

The 66th Annual Conference on Mass Spectrometry,  2018.5  Mass Spectrometry Society of Japan (MSSJ)

【Invited Speaker】“Development of a vacuum-type electrospray droplet ion gun and its application to TOF-SIMS” Invited Major achievement

S. Ninomiya, Y. Takagi, L.C. Chen, K. Hiraoka,

The 65th JSAP Spring Meeting, 2018,  2018.3  The Japan Society of Applied Physics,

“Handmade ion source, ion gun and analyzer” Invited Major achievement

S. Ninomiya

2018 1st TMS research society meeting,  2018.1  TMS research society,

“Flash desorption mass spectrometry of solid materials using a pre-heated knife-edge filament” International conference Major achievement

S. Ninomiya, D. T. Usmanov, K. Hiraoka,

11th International Symposium on Atomic Level Characterizations for New Materials and Devices '17 (ALC’17),  2017.12  The 141st Committee on Microbeam Analysis, Japan Society for the Promotion of Science

“Probe electrospray ionization of mixture solutions using metal needles with different tip conditions” International conference Major achievement

S. Ninomiya, S. Iwamoto, L.C. Chen, K. Hiraoka,

11th International Symposium on Atomic Level Characterizations for New Materials and Devices '17 (ALC’17),  2017.12  The 141st Committee on Microbeam Analysis, Japan Society for the Promotion of Science

“Development of Ion Guns for Secondary Ion Mass Spectrometry” Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

The 69th Ion Reaction Workshop,  2017.9  The Mass Spectrometry Society of Japan,

【Invited speaker】 “Secondary ion yields produced by vacuum-type electrospray droplet ion beams” Invited International conference Major achievement

S. Ninomiya, L.C. Chen, K. Hiraoka,

21th International Conference on Secondary Ion Mass Spectrometry (SIMS XXI),  2017.9  Zbigniew Postawa

“Precise Evaluation of Secondary Ion Yields under Electrospray Droplet Ion Bombardment” Major achievement

S. Ninomiya, R. Watanabe, Y. Takagi, L.C. Chen, K. Hiraoka,

2017 Vacuum/Surface Science Lecture Meeting  2017.8  The Surface Science Society of Japan, The Vacuum Society of Japan

"Secondary Ion Measurements under Electrospray Droplet and Gas Cluster Bombardments" Major achievement

S. Ninomiya, M. Sogou, D. Sakai, K. Watanabe, L.C. Chen, K. Hiraoka,

2017.3 

【Invited Speaker】“Cluster Ion Beams for SIMS and XPS” Invited Major achievement

S. Ninomiya and K. Hiraoka,

2016.11 

"Secondary Ion Yields Produced by Vacuum-type Electrospray Droplet and Cluster Ion Beams" Major achievement

S. Ninomiya, M. Sogou, T. Miyayama, D. Sakai, K. Watanabe, L.C. Chen, K. Hiraoka,

2016.9 

【Oral presentation】 “Time-of-flight secondary ion mass spectrometry with a vacuum-type electrospray droplet ion gun” International conference Major achievement

S. Ninomiya, Y. Sakai, M. Sogou, T. Miyayama, D. Sakai, K. Watanabe, L.C. Chen, K. Hiraoka

The International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions (SISS-18),  2016.7 

【Invited speaker】“Development of a vacuum-type electrospray droplet ion beam gun and its application to surface analysis” Invited Major achievement

Joint Symposium of the Surface Science Society of Japan and the Vacuum Society of Japan, SSVS2015  2015.12 

【Oral presentation】“Secondary ions produced by electrosprayed droplet impacts with m/z selection from 10^3 to 10^6” International conference Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka,

20th International Conference on Secondary Ion Mass Spectrometry (SIMSXX),  2015.9 

【Oral presentation】“Charged droplet beam source for secondary ion mass spectrometry using nano electrospray in vacuum” International conference Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, R. Takaishi, K. Hiraoka,

20th International Mass Spectrometry Conference (IMSC2014),  2014.8 

【Invited speaker】 “Characteristics of Charged Droplet Beams Produced from Vacuum Electrospray” International conference Major achievement

S. Ninomiya, Y. Sakai, L.C. Chen, K. Hiraoka,

6th International Symposium on Practical Surface Analysis (PSA-13),  2013.11 

【Oral presentation】 “Feasibility study of vacuum-type electrospray droplet beam sources” International conference Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, H. Suzuki, K. Hiraoka,

24th Annual Workshop on Secondary Ion Mass Spectrometry and Related Techniques,  2012.5 

【Invited speaker】 “Development of a high-performance electrospray droplet beam source” International conference Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, H. Suzuki, K. Hiraoka,

18th International Conference on Secondary Ion Mass Spectrometry (SIMS XVIII),  2011.9 

【Oral presentation】 “High sensitive SIMS with electrospray droplet impact method” International conference Major achievement

S. Ninomiya, L.C. Chen, Y. Sakai, K. Hiraoka,

The International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions at Seikei University (SISS-13),  2011.6 

【Oral presentation】 “Characteristics of organic depth profiling using large cluster ion beams” International conference Major achievement

S. Ninomiya, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

10th Workshop on Cluster Ion Beam Technology,  2010.6 

【Oral presentation】 “Availability of gas cluster SIMS to biomolecular analysis” International conference Major achievement

S. Ninomiya, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

The International Symposium on SIMS and Related Techniques Based on Ion-Solid Interactions at Seikei University (SISS-12),  2010.6 

【Oral presentation】 “Depth profile characteristics of organic materials with large Ar cluster ion beams” International conference Major achievement

S. Ninomiya, K. Ichiki, T. Seki, T. Aoki, J. Matsuo,

22nd Annual SIMS Workshop,  2010.5 

Laboratory of Physics Major achievement

2023Year  Type of subject：Professional education (undergraduate)

Advanced Measurement Engineering

2022Year

Electric Laboratory I Major achievement

2022Year  Type of subject：Professional education (undergraduate)

Solid State Electronics Laboratory Major achievement

2022Year  Type of subject：Professional education (undergraduate)

Basic Chemistry for Electronic Engineering Major achievement

2022Year  Type of subject：Professional education (undergraduate)

Laboratory of Physics Major achievement

2022Year  Type of subject：Professional education (undergraduate)

Solid State Electronics Laboratory Major achievement

2021Year  Type of subject：Professional education (undergraduate)

Electric Laboratory I Major achievement

2021Year  Type of subject：Professional education (undergraduate)

Laboratory of Physics Major achievement

2021Year  Type of subject：Professional education (undergraduate)

Basic Chemistry for Electronic Engineering Major achievement

2021Year  Type of subject：Professional education (undergraduate)

Advanced Measurement Engineering Major achievement

2021Year  Type of subject：Master's (Graduate School)

基礎電気電子工学実験

2017Year  Type of subject：Professional education (undergraduate)

Solid State Electronics Laboratory Major achievement

2016Year  Type of subject：Professional education (undergraduate)

Electric Laboratory I Major achievement

2016Year  Type of subject：Professional education (undergraduate)

Advanced Measurement Engineering Major achievement

2016Year  Type of subject：Master's (Graduate School)

Advanced Instrumentation and Measurement Engineering

2016Year  Type of subject：Dr. (Graduate School)

Basic Chemistry for Electronic Engineering Major achievement

2016Year  Type of subject：Professional education (undergraduate)

Laboratory of Physics

2016Year  Type of subject：Professional education (undergraduate)

2021

Type：Master's （Major B course）dissertations guidance

Number of people receiving guidance ：2people 

2020

Type：Undergraduate （Major A course）graduation thesis guidance

Number of people receiving guidance ：4people 

2019

Type：Undergraduate （Major A course）graduation thesis guidance

Number of people receiving guidance ：3people 

Number of teachers：1people

2019

Type：Master's （Major B course）dissertations guidance

Number of people receiving guidance ：1people 

2018

Type：Master's （Major B course）dissertations guidance

Number of people receiving guidance ：1people 

2018

Type：Undergraduate （Major A course）graduation thesis guidance  Period：12months

Number of people receiving guidance ：3people 

Graduation / pass / number of people awarded degrees ：3people 

Number of teachers：1people

2017

Type：Undergraduate （Major A course）graduation thesis guidance  Period：12months

Number of people receiving guidance ：3people 

Graduation / pass / number of people awarded degrees ：3people 

Number of teachers：1people

2017

Type：Master's （Major B course）dissertations guidance

Number of people receiving guidance ：1people 

2016

Type：Undergraduate （Major A course）graduation thesis guidance  Period：12months

Number of people receiving guidance ：4people 

Graduation / pass / number of people awarded degrees ：4people 

Number of teachers：1people

2019

Examiner classification：Chief examiner

Master ：1people 

Atomic Energy Society of Japan

2004.5

The Physical Society of Japan

2000

The 22nd International Conference on Secondary Ion Mass Spectrometry   Internatonal Scientific Committee  

2018.10 - 2019.10   

SISS   Committee  

2018.4 - 2020.3   

日本学術振興会 マイクロビームアナリシス第141委員会   企画幹事  

2018.4 - 2020.3   

SISS   Committee  

2017.4 - 2018.3   

ALC17 Committee   Secretariat  

2017.4 - 2018.3   

日本学術振興会 マイクロビームアナリシス第141委員会   委員  

2017.4 - 2018.3   

ALC17 Committee   Secretariat  

2016.12 - 2017.3   

日本学術振興会 マイクロビームアナリシス第141委員会   委員  

2016.12 - 2017.3   

SISS   Committee  

2016.7 - 2017.3