Publication List

ORCIID 0000-0001-7364-6724

Scopus 57220515364

Kohei SOGA, Ph. D., Last updated in January, 2022

Book Chapters

1.   Soga, K., Chapter 2. Requirements of Nanostructures for Bioimaging Probes. In Transparency in Biology: Making the Invisible Visible, Springer: Singapore, 2021; pp 35-56.

2.   Soga, K., Chapter 1. Introduction to Transparency. In Transparency in Biology: Making the Invisible Visible, Springer: Singapore, 2021; pp 3-32.

3.   Nigoghossian, K.; Soga, K., 5 – NIR excitation of rare-earth ions in ceramics for diagnosis, bioimaging, and light-induced therapy. Elsevier: 2021; p 85-111.

4.   Kohei Soga, M. U., Kyohei Okubo, Masao Kamimura, Doan Thi Kim Dung, Karina Nigoghossian, Toshihiro Sera, Atsuto Onoda Transparency in Biology: Making the Invisible Visible. Springer: Singapore, 2021.

5.   曽我公平, ナノ粒子による蛍光バイオイメージング. In 命を守る材料, 東京理科大学出版センター, Ed. Tokyo, Japan: 東京書籍, 2013; pp 74-88.

6.   曽我公平, 「第4章15節 次世代を担う近赤外蛍光イメージングと蛍光プローブ」. In 先端バイオマテリアルハンドブック, 秋吉一成;  石原一彦; 山岡哲二, Eds. エヌ・ティー・エス: Tokyo, Japan, 2012; pp 482-485.

7.   曽我公平, 発色・発光・イメージング. In セラミックス機能化ハンドブック, 福長脩, Ed. エヌ・ティー・エス: Tokyo, Japan, 2011; pp 62-68.

8.   SOGA, K., Application of ceramic nanophosphors for biomedical photonics. In Nanostructured Materials for Biomedical Applications, Tan, M. C.;  Chow, G. M.; Ren, L., Eds. Transworld Research Network: Kerala, India, 2009; pp 223-241.

9.   曽我公平, フォトニックナノ粒子の近赤外励起バイオフォトニクスへの応用. In 量子ドットの生命科学領域への応用, 山本重夫, Ed. CMC Publishing Co.,Ltd: Tokyo, Japan, 2007; pp 89-100.

10. Soga, K.;  Kirihara, K.; Kimura, K., Applications Of Icosahedral Cluster Solids. In Crystal Growth of Technologically Important Electronic Materials Byrappa, K.;  Klapper, H.;  Ohachi, T.; Fornari, R., Eds. Allied Publishers: New Delhi, India, 2003; pp 589-602.

11. 曽我公平; 牧島亮男, 「有機・無機マイクロコンポジット」 In 光機能材料マニュアル, オプトロニクス社: Tokyo, Japan, 1997; pp 92-99.

Journal Papers

[1] M. Takematsu, M. Umezawa, T. Sera, Y. Kitagawa, H. Kurahashi, S. Yamada, K. Okubo, M. Kamimura, H. Yokota, K. Soga, “Influence of the difference in refractive index on the interface of an object and the surroundings in near-infrared fluorescence tomography,” Applied Optics, 61 (2022) 638-644 [doi: 10.1364/AO.445357].

[2] K. Nambu, K. Morita, K. Soga, T. Yamamoto, H. Masuda, H. Yoshida, “Densification of Y2O3 by flash sintering under an AC electric field,” J. Euro. Ceram. Soc., 42 (2022) 567-575 [doi: https://doi.org/10.1016/j.jeurceramsoc.2021.10.029].

[3] K. Ichihashi, M. Umezawa, Y. Ueya, K. Okubo, E. Takamoto, T. Matsuda, M. Kamimura, K. Soga, “Effect of the enantiomeric structure of hydrophobic polymers on the encapsulation properties of a second near infrared (NIR-II) fluorescent dye for in vivo deep imaging,” RSC Adv., 12 (2022) 1310-1318 [doi: 10.1039/D1RA08330A].

[4] T.K.D. Doan, M. Umezawa, H. Kobayashi, A. Oshima, K. Ikeda, K. Okubo, M. Kamimura, K. Soga, “Influence of Physiological Media on over-1000 nm NIR Fluorescent DSPE-PEG Micelles for Bio-imaging,” Chem. Lett., 51 (2022) 208-211 [doi: 10.1246/cl.210700].

[5] 高松利寛、池松弘朗、竹村裕、横田秀夫、曽我公平, “近赤外ハイパースペクトルイメージングを用いた生体深部病変診断法,” レーザー研究, 49 (2021) 5.

[6] 宇尾基弘、頼威任、簡野瑞誠、小野卓史、竹村裕、須賀一博、曽我公平, “小型力覚センサを用いた矯正力シミュレータOrthodontic Force Similator with Micro Force Sensor,” 日本歯科理工学会誌, 40 (2021) 4.

[7] A. Yahata, H. Takemura, T. Takamatsu, H. Yokota, R. Iwanami, M. Umezawa, K. Okubo, K. Soga, T. Mitsui, T. Kadota, T. Kuwata, H. Ikematsu, Wavelength Selection of Near-Infrared Hyperspectral Imaging for Gastric Cancer Detection,  2021 6th International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS), 2021, pp. 219-223.

[8] A. Yahata, H. Takemura, R. Iwanami, M. Umezawa, K. Okubo, K. Soga, T. Takamatsu, T. Mitsui, T. Kadota, T. Kuwata, H. Ikematsu, H. Yokota, “Gastric Cancer Detection by Two-step Learning in Near-Infrared Hyperspectral Imaging,” Journal of Information and Communication Engineering (JICE), 7 (2021) 467-473.

[9] Y. Ueya, M. Umezawa, E. Takamoto, M. Yoshida, H. Kobayashi, M. Kamimura, K. Soga, “Designing highly emissive over-1000 nm near-infrared fluorescent dye-loaded polystyrene-based nanoparticles for in vivo deep imaging,” RSC Adv., 11 (2021) 18930-18937 [doi: 10.1039/D1RA01040A].

[10] Y. Ueya, M. Umezawa, Y. Kobayashi, H. Kobayashi, K. Ichihashi, T. Matsuda, E. Takamoto, M. Kamimura, K. Soga, “Design of Over-1000 nm Near-Infrared Fluorescent Polymeric Micellar Nanoparticles by Matching the Solubility Parameter of the Core Polymer and Dye,” ACS Nanoscience Au, 1 (2021) 61-68 [doi: 10.1021/acsnanoscienceau.1c00010].

[11] K. Tezuka, M. Umezawa, T.-I. Liu, K. Nomura, K. Okubo, H.-C. Chiu, M. Kamimura, K. Soga, “Upconversion Luminescent Nanostructure with Ultrasmall Ceramic Nanoparticles Coupled with Rose Bengal for NIR-Induced Photodynamic Therapy,” ACS Applied Bio Materials, 4 (2021) 4462-4469 [doi: 10.1021/acsabm.1c00213].

[12] T. Takamatsu, Y. Kitagawa, K. Akimoto, R. Iwanami, Y. Endo, K. Takashima, K. Okubo, M. Umezawa, T. Kuwata, D. Sato, T. Kadota, T. Mitsui, H. Ikematsu, H. Yokota, K. Soga, H. Takemura, “Over 1000 nm Near-Infrared Multispectral Imaging System for Laparoscopic In Vivo Imaging,” Sensors, 21 (2021)  [doi: 10.3390/s21082649].

[13] Y. Sasaki, K. Morita, T. Yamamoto, K. Soga, H. Masuda, H. Yoshida, “Electric current dependence of plastic flow behavior with large tensile elongation in tetragonal zirconia polycrystal under a DC field,” Scripta Materialia, 194 (2021) 113659 [doi: https://doi.org/10.1016/j.scriptamat.2020.113659].

[14] A. Onoda, S. Okamoto, R. Shimizu, Y.S. El-Sayed, S. Watanabe, S. Ogawa, R. Abe, M. Kamimura, K. Soga, K. Tachibana, K. Takeda, M. Umezawa, “Effect of Carbon Black Nanoparticle on Neonatal Lymphoid Tissues Depending on the Gestational Period of Exposure in Mice,” Frontiers in Toxicology, 3 (2021)  [doi: 10.3389/ftox.2021.700392].

[15] K. Okubo, M. Umezawa, K. Soga, “Review—Concept and Application of Thermal Phenomena at 4f Electrons of Trivalent Lanthanide Ions in Organic/Inorganic Hybrid Nanostructure,” ECS Journal of Solid State Science and Technology, 10 (2021) 096006 [doi: 10.1149/2162-8777/ac2327].

[16] K. Okubo, M. Umezawa, K. Soga, “Near Infrared Fluorescent Nanostructure Design for Organic/Inorganic Hybrid System,” Biomedicines, 9 (2021)  [doi: 10.3390/biomedicines9111583].

[17] K. Okubo, R. Takeda, S. Murayama, M. Umezawa, M. Kamimura, K. Osada, I. Aoki, K. Soga, “Size-controlled bimodal in vivo nanoprobes as near-infrared phosphors and positive contrast agents for magnetic resonance imaging,” Science and Technology of Advanced Materials, 22 (2021) 160-172 [doi: 10.1080/14686996.2021.1887712].

[18] K. Okubo, Y. Kitagawa, N. Hosokawa, M. Umezawa, M. Kamimura, T. Kamiya, N. Ohtani, K. Soga, “Visualization of quantitative lipid distribution in mouse liver through near-infrared hyperspectral imaging,” Biomedical Optics Express, 12 (2021) 823-835 [doi: 10.1364/BOE.413712].

[19] K. Nomura, M. Umezawa, K. Tezuka, T. Tasaki, K. Okubo, K. Soga, “Effect of polarization of surrounding organic molecules on upconversion emission of β-NaYF4 Co-Doped with Er3+ and Yb3+,” J. Lumin., 239 (2021) 118394 [doi: https://doi.org/10.1016/j.jlumin.2021.118394].

[20] H. Yoshida, H. Hayasaka, K. Soga, K. Morita, B.-N. Kim, T. Yamamoto, “Doping effect on the flash sintering of Y2O3: Promotion of densification and optical translucency,” J. Euro. Ceram. Soc., 40 (2020) 6053-6060 [doi: https://doi.org/10.1016/j.jeurceramsoc.2020.06.041].

[21] G. Yeroslavsky, K. Okubo, M. Umezawa, K. Nigoghossian, D.T.K. Dung, K. Miyata, K. Nomura, M. Kamimura, K. Soga, “Energy Transfer Between Rare Earth-doped Ceramic Nanoparticles for Gauging Strain and Temperature in Elastic Polymers,” J. Photopolym. Sci. Technol., 33 (2020) 129-137 [doi: 10.2494/photopolymer.33.129].

[22] M. Umezawa, T. Sera, H. Yokota, M. Takematsu, M. Morita, G. Yeroslavsky, M. Kamimura, K. Soga, “Computed tomography for in vivo deep over-1000 nm near-infrared fluorescence imaging,” Journal of Biophotonics, 13 (2020) e202000071 [doi: 10.1002/jbio.202000071].

[23] M. Umezawa, M. Haruki, M. Yoshida, M. Kamimura, K. Soga, “Effects of Processing pH on Emission Intensity of Over-1000 nm Near-Infrared Fluorescence of Dye-Loaded Polymer Micelle with Polystyrene Core,” Analytical Sciences, advpub (2020)  [doi: 10.2116/analsci.20SCP09].

[24] D. Sato, T. Takamatsu, M. Umezawa, Y. Kitagawa, K. Maeda, N. Hosokawa, K. Okubo, M. Kamimura, T. Kadota, T. Akimoto, T. Kinoshita, T. Yano, T. Kuwata, H. Ikematsu, H. Takemura, H. Yokota, K. Soga, “Distinction of surgically resected gastrointestinal stromal tumor by near-infrared hyperspectral imaging,” Scientific Reports, 10 (2020) 21852 [doi: 10.1038/s41598-020-79021-7].

[25] K. Nigoghossian, T. Miyashita, A. Omura, G. Yeroslavsky, D.T. Kim Dung, K. Okubo, M. Umezawa, M. Kamimura, K. Soga, “Infrared to visible upconversion luminescence of trivalent erbium tetrafluoroborate complexes,” Optical Materials Express, 10 (2020) 1749-1766 [doi: 10.1364/OME.395626].

[26] T. Hiroto, K. Soga, K. Kimura, “Powder X-ray diffraction study on possible structural change around 550 K in β-rhombohedral boron,” Solid State Sci., 104 (2020) 106195 [doi: https://doi.org/10.1016/j.solidstatesciences.2020.106195].

[27] 曽我公平, 上村真生, “近赤外蛍光イメージングプローブ,” 実験医学, 36 (2019) 2.

[28] 前田耕輔, 竹村裕, 細川直輝, 池玲一郎, 曽我公平, 高松利寛, 横田秀夫, 佐藤大幹, 池松弘朗, 桑田健, GISTの早期発見に向けた近赤外光軟性鏡開発

―波長及び空間分解能を圧縮したときの識別精度変化の検証―,  ロボティクス・メカトロニクス講演会講演概要集, 2019, pp. 1P1-A11.

[29] 上村真生, 曽我公平, “近赤外蛍光プローブによる生体内イメージング法の開発,” ぶんせき, 2019 (2019) 4.

[30] G. Yeroslavsky, M. Umezawa, K. Okubo, K. Nigoghossian, D.T.K. Dung, M. Kamimura, K. Soga, “Photostabilization of Indocyanine Green Dye by Energy Transfer in Phospholipid-PEG Micelles,” J. Photopolym. Sci. Technol., 32 (2019) 115-121 [doi: 10.2494/photopolymer.32.115].

[31] M. Umezawa, S. Haruguchi, R. Fukushima, S. Sekiyama, M. Kamimura, K. Soga, “Rapid increase in transparency of biological organs by matching refractive index of medium to cell membrane using phosphoric acid,” RSC Adv., 9 (2019) 15269-15276 [doi: 10.1039/c9ra01445d].

[32] K. Soga, M. Kamimura, K. Okubo, M. Umezawa, T.K.D. Doan, K. Nigoghossian, “Near-infrared Biomedical Imaging for Transparency,” 日本画像学会誌, 58 (2019) 602-616 [doi: 10.11370/isj.58.602].

[33] K. Shimoda, S. Tsuichihara, H. Takemura, K. Soga, K. Suga, W. Lai, S. Kim, Z. Kanno, M. Uo, Orthodontic Force and Moment Sensing Device: Influence of Deflection of Wire and Tooth’s Orientation,  2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), 2019, pp. 4337-4340.

[34] S. Sekiyama, M. Umezawa, Y. Iizumi, T. Ube, T. Okazaki, M. Kamimura, K. Soga, “Delayed Increase in Near-Infrared Fluorescence in Cultured Murine Cancer Cells Labeled with Oxygen-Doped Single-Walled Carbon Nanotubes,” Langmuir, 35 (2019) 831-837 [doi: 10.1021/acs.langmuir.8b03789].

[35] M. Kamimura, Y. Ueya, E. Takamoto, K. Iso, M. Yoshida, M. Umezawa, K. Soga, “Fluorescent Polystyrene Latex Nanoparticles for NIR-II in vivo Imaging,” J. Photopolym. Sci. Technol., 32 (2019) 93-96 [doi: 10.2494/photopolymer.32.93].

[36] T. Chihara, M. Umezawa, K. Miyata, S. Sekiyama, N. Hosokawa, K. Okubo, M. Kamimura, K. Soga, “Biological Deep Temperature Imaging with Fluorescence Lifetime of Rare-Earth-Doped Ceramics Particles in the Second NIR Biological Window,” Sci. Rep., 9 (2019) 12806 [doi: 10.1038/s41598-019-49291-x].

[37] K. Akimoto, S. Tsuichihara, T. Takamatsu, K. Soga, H. Yokota, M. Ito, N. Gotoda, H. Takemura, Evaluation of laser-induced plasma ablation focusing on the difference in pulse duration*,  2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2019, pp. 6987-6990.

[38] 曽我公平, 上村真生, “近赤外励起バイオフォトニクスのセラノスティクスへの展開,” Drug Delivery System, 33 (2018) 8 [doi: 10.2745/dds.33.223].

[39] 上村真生, 曽我公平, “希土類含有セラミックスナノ粒子のがん診断・治療への応用,” FCレポート, 36 (2018) 4.

[40] G. Yeroslavsky, M. Kamimura, R. Inoue, Y. Kogo, K. Soga, “Visualization of Strain in Elastic Silicone Polymers Using Fluorescence Energy Transfer,” J. Photopolym. Sci. Technol., 31 (2018) 533-540 [doi: 10.2494/photopolymer.31.533].

[41] L. Wortmann, S. Suyari, T. Ube, M. Kamimura, K. Soga, “Tuning the thermal sensitivity of β-NaYF4: Yb3+, Ho3+, Er3+ nanothermometers for optimal temperature sensing in OTN-NIR (NIR II/III) biological window,” J. Lumin., 198 (2018) 236-242 [doi: 10.1016/j.jlumin.2018.01.049].

[42] Y.C. Tsai, P. Vijayaraghavan, W.H. Chiang, H.H. Chen, T.I. Liu, M.Y. Shen, A. Omoto, M. Kamimura, K. Soga, H.C. Chiu, “Targeted Delivery of Functionalized Upconversion Nanoparticles for Externally Triggered Photothermal/Photodynamic Therapies of Brain Glioblastoma,” Theranostics, 8 (2018) 1435-1448 [doi: 10.7150/thno.22482].

[43] K. Shimoda, H. Takemura, Y. Obara, M. Shigeta, K. Soga, K. Suga, W. Lai, S. Kim, Z. Kanno, M. Uo, Development of 6-Axis Orthodontic Force and Moment Sensing Device for Decreasing Accident of Orthodontic Treatment*,  2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018, pp. 1797-1800.

[44] S. Sekiyama, M. Umezawa, S. Kuraoka, T. Ube, M. Kamimura, K. Soga, “Temperature Sensing of Deep Abdominal Region in Mice by Using Over-1000 nm Near-Infrared Luminescence of Rare-Earth-Doped NaYF4 Nanothermometer,” Sci. Rep., 8 (2018) 16979 [doi: 10.1038/s41598-018-35354-y].

[45] W.-J. Lai, Y. Midorikawa, Z. Kanno, H. Takemura, K. Suga, K. Soga, T. Ono, M. Uo, “A new orthodontic force system for moment control utilizing the flexibility of common wires: Evaluation of the effect of contractile force and hook length,” Journal of the Formosan Medical Association, 117 (2018) 71-79 [doi: https://doi.org/10.1016/j.jfma.2017.03.002].

[46] 渡邉智, 曽我公平, “フォトンマトリックス方式フレキシブル透明ディスプレイ : 透明ポリマー回路を利用した見えない光で見える光を制御する技術 Flexible transparent displays operated on photon-matrix mode,” 画像ラボ, 28 (2017) 9.

[47] 曽我公平, 上村真生, “近赤外光イメージング,” 生体の科学, 68 (2017) 2.

[48] 曽我公平, “セラミックスナノ粒子のバイオメディカル応用─現状と展望─ Biomedical Application of Ceramic Nanoparticles —Overview and Prospective—,” セラミックス Ceramics Japan, 52 (2017) 4.

[49] 上村真生, 曽我公平, “「第 2 の生体の窓」の波長域を利用する 近赤外蛍光バイオイメージング Near-Infrared Fluorescence Imaging in the Second Biological Window,” Bio Industry バイオインダストリー, 34 (2017) 7.

[50] K. Soga, M. Kamimura, Application of Ceramic Nanoparticles for Near Infrared Bioimaging,  IV Advanced Ceramics and Applications ConferenceBelgrade, Serbia, 2017, pp. 77-86.

[51] K. Soga, M. Kamimura, “Development of OTN-NIR Bioimaging System,” Seibutsu Butsuri, 57 (2017) 081-084 [doi: 10.2142/biophys.57.081].

[52] M. Kamimura, Y. Yano, S. Kuraoka, S. Suyari, T. Ube, L. Wortmann, K. Soga, “Near-Infrared to Visible Upconversion Emission Induced Photopolymerization: Polystyrene Shell Coated NaYF4 Nanoparticles for Fluorescence Bioimaging and Nanothermometry,” J. Photopolym. Sci. Technol., 30 (2017) 265-270 [doi: 10.2494/photopolymer.30.265].

[53] M. Kamimura, S. Takahiro, M. Yoshida, Y. Hashimoto, R. Fukushima, K. Soga, “Over-1000 nm near-infrared fluorescent biodegradable polymer nanoparticles for deep tissue in vivo imaging in the second biological window,” Polym. J., 49 (2017) 799-803 [doi: 10.1038/pj.2017.59].

[54] M. Kamimura, A. Omoto, H.-C. Chiu, K. Soga, “Enhanced Red Upconversion Emission of NaYF4:Yb3+, Er3+, Mn2+ Nanoparticles for Near-infrared-induced Photodynamic Therapy and Fluorescence Imaging,” Chem. Lett., 46 (2017) 1076-1078 [doi: 10.1246/cl.170322].

[55] M. Kamimura, T. Matsumoto, S. Suyari, M. Umezawa, K. Soga, “Ratiometric near-infrared fluorescence nanothermometry in the OTN-NIR (NIR II/III) biological window based on rare-earth doped beta-NaYF4 nanoparticles,” J Mater. Chem. B, 5 (2017) 1917-1925 [doi: 10.1039/c7tb00070g].

[56] T. Chihara, S. Fujii, M. Kamimura, K. Soga, “Green Color Purity Control of Dual-Excitation Upconversion Display by Using Polymer/NaYF<sub>4</sub>:Er<sup>3+</sup> Crystal Transparent Composite,” J. Photopolym. Sci. Technol., 30 (2017) 437-443 [doi: 10.2494/photopolymer.30.437].

[57] 緑川善之, 竹村裕, 溝口博, 曽我公平, 上村真生, 須賀一博, 賴威任, 簡野瑞誠, 宇尾基弘, 下顎模擬歯列の6軸矯正力評価に関する研究

 LIFE 2016 講演要旨集 (第32回ライフサポート学会大会,第16回日本生活支援工学会大会,日本機械学会 福祉工学シンポジウム2016), 2016.

[58] 緑川善之, 竹村裕, 溝口博, 曽我公平, 上村真生, 須賀一博, 頼威任, 簡野瑞誠, 宇尾基弘, “口腔内環境の温度変化が矯正力に及ぼす影響,” ロボティクス・メカトロニクス講演会講演概要集, 2016 (2016) 1A2-03a06 [doi: 10.1299/jsmermd.2016.1A2-03a6].

[59] 曽我公平, 上村真生, “第2の生体の窓におけるOTN(over 1000 nm)蛍光 バイオイメージング OTN(over 1000 nm)Fluorescence Bio imaging in the Second Biological Window,” JSMI Rep., 9 (2016) 6.

[60] 曽我公平, “SBWイメージングの現状と課題,” バイオイメージング, 25 (2016) 2.

[61] 上村真生, 曽我公平, “波長1000 nmを超える近赤外蛍光イメージング,” バイオマテリアル生体材料, 34 (2016) 6.

[62] 河西真依, 安田裕哉, 竹村裕, 溝口博, 曽我公平, 金子和弘, 近赤外光を用いた診断支援システムに向けた波長選定手法,  LIFE 2016 講演要旨集 (第32回ライフサポート学会大会,第16回日本生活支援工学会大会,日本機械学会 福祉工学シンポジウム2016), 2016.

[63] T. Zako, M. Ito, H. Hyodo, M. Yoshimoto, M. Watanabe, H. Takemura, H. Kishimoto, K. Kaneko, K. Soga, M. Maeda, “Extra-luminal detection of assumed colonic tumor site by near-infrared laparoscopy,” Surg. Endosc., 30 (2016) 4153-4159 [doi: 10.1007/s00464-015-4669-9].

[64] H. Yoshida, K. Morita, B.-N. Kim, K. Soga, “Low temperature spark plasma sintering of tin oxide doped with tantalum oxide,” J. Ceram. Soc. Jpn., 124 (2016) 932-937 [doi: 10.2109/jcersj2.16133].

[65] S. Watanabe, Y. Ishii, K. Soga, M. Matsumoto, “Calcination-free micropatterning of upconversion luminescent layers consisting of rare-earth-doped ceramic nanoparticles on wettability-patterned flexible plastic sheets by soft-liquid phase adsorption,” Colloids and Surfaces A, 506 (2016) 210-219 [doi: 10.1016/j.colsurfa.2016.06.029].

[66] M. Umezawa, Y. Shinkai, A. Onoda, K. Takeda, M. Kamimura, K. Soga, “動物体内におけるナノ粒子の未知なる動態メカニズムと検出技術改善のニーズ,” バイオイメージング, 25 (2016) 6.

[67] Y. Takagiwa, N. Kuroda, E. Imai, I. Kanazawa, H. Hyodo, K. Soga, K. Kimura, “Improvement in Thermoelectric Performance of Cu-Doped β-Rhombohedral Boron,” Mater. Trans., 57 (2016) 1066-1069 [doi: 10.2320/matertrans.MF201609].

[68] Y. Midorikawa, H. Takemura, H. Mizoguchi, K. Soga, M. Kamimura, K. Suga, W.-j. Lai, Z. Kanno, M. Uo, Development of Orthodontic Force and Moment Sensing System for Dentist Training,  XIV International Symposium on 3D Analysis of Human Movement (3D-AHM2016), 2016, pp. 253-254.

[69] Y. Midorikawa, H. Takemura, H. Mizoguchi, K. Soga, M. Kamimura, K. Suga, W. Lai, Z. Kanno, M. Uo, Six-axis orthodontic force and moment sensing system for dentist technique training,  2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016, pp. 2206-2209.

[70] W. Lai, Y. Midorikawa, Z. Kanno, H. Takemura, K. Suga, K. Soga, T. Ono, M. Uo, “Development and modification of a device for three-dimensional measurement of orthodontic force system: The V-bend system re-visited,” Dent. Mater. J., 35 (2016) 908-917 [doi: 10.4012/dmj.2016-118].

[71] M. Kamimura, R. Saito, H. Hyodo, K. Tsuji, I.O. Umeda, H. Fujii, K. Soga, “Over-1000 nm Near-infrared Fluorescence and SPECT/CT Dual-modal in vivo Imaging Based on Rare-earth Doped Ceramic Nanophosphors,” J. Photopolym. Sci. Technol., 29 (2016) 525-532 [doi: 10.2494/photopolymer.29.525].

[72] D. Jaque, C. Richard, B. Viana, K. Soga, X. Liu, J. García Solé, “Inorganic nanoparticles for optical bioimaging,” Adv. Opt. Photon., 8 (2016) 103.

[73] 緑川善之, 竹村裕, 溝口博, 曽我公平, 上村真生, 須賀一博, 頼威任, 簡野瑞誠, 宇尾基弘, 歯科医のトレーニングを目的とした6軸歯列矯正力多点同時計測装置の開発,  日本機械学会関東学生会第54回学生員卒業研究発表講演会講演論文集, 2015.

[74] 緑川善之, 竹村裕, 溝口博, 曽我公平, 上村真生, 須賀一博, 頼威任, 簡野瑞誠, 宇尾基弘, 歯列矯正力の定量的評価を目的とした6軸力多点同時計測装置の開発,  ロボティクス・メカトロニクス講演会講演概要集, 2015, pp. _2A1-B10_11-_12A11-B10_12.

[75] 曽我公平, “セラミックスナノ粒子を起点としたOTN近赤外バイオイメージングシステムの開発,” 色材協会誌, 88 (2015) 13-16 [doi: 10.4011/shikizai.88.13].

[76] 曽我公平, “実用ニーズにおける最新の蛍光体開発 セラミックス蛍光体のバイオメディカルイメージングへの応用 Application of Ceramic Nanophoshpors for Biomedical Imaging,” セラミックス  (Bulletin of the Ceramic Society of Japan), 50 (2015) 4.

[77] 河西真依, 石川拓海, 竹村裕, 溝口博, 曽我公平, 金子和弘, 近赤外ハイパースペクトルカメラを用いた悪性腫瘍の特徴量抽出に関する研究,,  日本機械学会関東学生会第54回学生員卒業研究発表講演会講演論文集, 2015.

[78] 河西真依, 安田裕哉, 竹村裕, 溝口博, 曽我公平, 金子和弘, 近赤外ハイパースペクトルカメラを用いた領域分割に関する研究,  ロボティクス・メカトロニクス講演会講演概要集, 2015, pp. _1P1-D01_01-_01P01-D01_02.

[79] 河西真依, 安田裕哉, 竹村裕, 溝口博, 曽我公平, 金子和弘, 近赤外ハイパースペクトルデータを用いた空間削減による特徴量抽出と領域識別,  生体医工学シンポジウム 2015 講演予稿集, 2015.

[80] T. Zako, M. Yoshimoto, H. Hyodo, H. Kishimoto, M. Ito, K. Kaneko, K. Soga, M. Maeda, “Cancer-targeted near infrared imaging using rare earth ion-doped ceramic nanoparticles,” Biomater. Sci, 3 (2015) 6 [doi: 10.1039/c4bm00232f].

[81] S. Watanabe, T. Asanuma, T. Sasahara, H. Hyodo, M. Matsumoto, K. Soga, “3D Micromolding of Arrayed Waveguide Gratings on Upconversion Luminescent Layers for Flexible Transparent Displays without Mirrors, Electrodes, and Electric Circuits,” Adv. Func. Mater., 25 (2015) 4390-4396 [doi: 10.1002/adfm.201500542].

[82] S. Watanabe, T. Asanuma, H. Hyodo, K. Soga, M. Matsumoto, “Calcination-free micromolding in capillaries for nanopatterning of inorganic upconversion luminescent layers on flexible plastic sheets,” J Colloid Interface Sci, 445 (2015) 262-267 [doi: 10.1016/j.jcis.2014.12.024].

[83] Y. Takagiwa, N. Kuroda, E. Imai, I. Kanazawa, H. Hyodo, K. Soga, K. Kimura, “Improvement of Thermoelectric Performance and P-N Control for Metal-Doped &beta;-Rhombohedral Boron,” J. Jpn. Inst. Metals, 79 (2015) 581-585 [doi: 10.2320/jinstmet.JA201507].

[84] K. SOGA, T. TAKEUCHI, H. YOKOTA, H. KISHIMOTO, “「第2の生体の窓~21世紀のバイオイメージングの窓~」SBWイメージングの現状と課題,” バイオイメージング, 24 (2015) 2.

[85] Y. Midorikawa, H. Takemura, H. Mizoguchi, K. Soga, M. Kamimura, K. Suga, W.-j. Lai, Z. Kanno, M. Uo, Development of a Multipoint Orthodontic Six Axis Forces Measuring Device for Dentist’s Training,  The 8th Asian-Pacific Conference on Biomechanics (APBiomech2015), 2015.

[86] H. Kishimoto, K. Fukuda, H. TAKESHITA, K. Soga, “希土類ナノ粒子OTN近赤外蛍光プローブによるマウス in vivo イメージングの応用,” バイオイメージング, 24 (2015) 3.

[87] M. KASAI, Y. YASUDA, H. TAKEMURA, H. MIZOGUCHI, K. SOGA, K. KANEKO, Spatial Classification based on Wavelength Channels Reduction with Near-infrared Hyperspectral Imaging,  The 18th Meeting on Image Recognition and Understanding, 2015.

[88] M. Kamimura, S. Suyari, T. Matsumoto, K. Soga, “Surface modification on rare-earth doped ceramic nanophosphors via ligand exchange method for near-infrared biophotonics,” J. Photopolym. Sci. Technol., 28 (2015) 711-713 [doi: 10.2494/photopolymer.28.711].

[89] 近藤良紀, 竹村裕, 溝口博, 曽我公平, 岸本英博, 金子和弘, ヘッドスキャニング機構を用いた広波長域対応可能な透視イメージング装置の開発(非接触センシング),  ロボティクス・メカトロニクス講演会講演概要集, 2014, pp. _3P2-V05_01-_03P02-V05_02.

[90] 近藤良紀, 小森谷健二, 竹村裕, 溝口博, 曽我公平, 岸本英博, 金子和弘, ヘッドスキャニング機構を用いた広波長域対応可能なイメージング装置の開発,  日本機械学会関東支部 第53回学生員卒業研究発表講演会講演前刷集, 2014.

[91] 近藤良紀, 小森谷健二, 竹村裕, 溝口博, 曽我公平, 岸本英博, 金子和弘, NIR内視鏡を目指した共焦点ヘッドスキャニング機構による3次元イメージング機構の開発,  生活生命支援医療福祉工学系学会連合大会2014(LIFE2014)講演論文集, 2014.

[92] S. Watanabe, Y. Hamada, H. Hyodo, K. Soga, M. Matsumoto, “Calcination-free micropatterning of rare-earth-ion-doped nanoparticle films on wettability-patterned surfaces of plastic sheets,” J Colloid Interface Sci, 422 (2014) 58-64 [doi: 10.1016/j.jcis.2014.02.014].

[93] Y. Kondo, H. Takemura, H. Mizoguchi, K. Soga, H. Kishimoto, K. Kaneko, Development of Wide Wavelength Range Transparent Image Detection Device System by Head-Scanning Mechanism,  The 9th Asian-Pacific Conference on Medical and Biological Engineering, 2014.

[94] H. Hyodo, H. Iseki, S. Inoue, K. Soga, K. Kimura, “Self-Compensation Property and Bonding Conversion of V-and-Mg- or V-and-Li-Codoped β-Rhombohedral Boron,” J. Phys. Soc. Jpn., 83 (2014)  [doi: 10.7566/jpsj.83.034803].

[95] E. Hemmer, F. Vetrone, K. Soga, “Lanthanide-based nanostructures for optical bioimaging: Small particles with large promise,” MRS Bull., 39 (2014) 960-964 [doi: 10.1557/mrs.2014.223].

[96] 渡部雅之, 竹村裕, 溝口博, 兵藤宏, 曽我公平, 座古保, 岸本英博, 伊藤雅昭, 金子和弘, 2A2-L02 近赤外可視光複合内視鏡開発のための射影変換を用いたリアルタイム映像合成に関する研究(手術支援ロボティクス・メカトロニクス(2)),  ロボティクス・メカトロニクス講演会講演概要集, 2013, pp. _2A2-L02_01-_02A02-L02_04.

[97] 曽我公平, “近赤外励起ナノ蛍光体のバイオメディカルイメージング応用,” YAKUGAKU ZASSHI, 133 (2013) 355-367 [doi: 10.1248/yakushi.12-00239-2].

[98] 小森谷健二, 竹村裕, 溝口博, 曽我公平, 兵藤宏, 岸本英博, 金子和弘, “近赤外線対応内視鏡実現のためのヘッドスキャニング機構による近赤外蛍光イメージング,” 生体医工学, 51 (2013) 135-141 [doi: 10.11239/jsmbe.51.135].

[99] S. Watanabe, T. Asanuma, H. Hyodo, K. Soga, M. Matsumoto, “Micromolding in Capillaries for Calcination-Free Fabrication of Flexible Inorganic Phosphor Films Consisting of Rare-Earth-Ion-Doped Nanoparticles,” Langmuir, 29 (2013) 11185-11191 [doi: 10.1021/la401810x].

[100] M. Watanabe, H. Takemura, H. Mizoguchi, H. Hyodo, K. Soga, T. Zako, H. Kishimoto, M. Ito, K. Kaneko, Development of Novel Endoscope with NIR camera Using Real-time Composite Method,  The 15th International Conference on Biomedical Engineering, 2013, pp. 123-131.

[101] N. Venkatachalam, T. Yamano, E. Hemmer, H. Hyodo, H. Kishimoto, K. Soga, H. Hintzen, “Er3+-Doped Y2O3 Nanophosphors for Near-Infrared Fluorescence Bioimaging Applications,” J. Am. Ceram. Soc., 96 (2013) 2759-2765 [doi: 10.1111/jace.12476].

[102] Z. Tan, K. Sato, S. Takami, C. Numako, M. Umetsu, K. Soga, M. Nakayama, R. Sasaki, T. Tanaka, C. Ogino, A. Kondo, K. Yamamoto, T. Hashishin, S. Ohara, “Particle size for photocatalytic activity of anatase TiO2 nanosheets with highly exposed {001} facets,” RSC Adv., 3 (2013) 19268-19271 [doi: 10.1039/C3RA43383H].

[103] K. Soga, Y. Nagasaki, “Polyscale technology for developing near infrared fluorescence bioimaging system based on novel synthese approaches for rare-earth doped nanophspors,” Mater. Res. Innov., 14 (2013) 51-55 [doi: 10.1179/143307510×12599329343402].

[104] E. Hemmer, T. Yamano, H. Kishimoto, N. Venkatachalam, H. Hyodo, K. Soga, “Cytotoxic aspects of gadolinium oxide nanostructures for up-conversion and NIR bioimaging,” Acta Biomater., 9 (2013) 4734-4743 [doi: 10.1016/j.actbio.2012.08.045].

[105] E. Hemmer, N. Venkatachalam, H. Hyodo, A. Hattori, Y. Ebina, H. Kishimoto, K. Soga, “Upconverting and NIR emitting rare earth based nanostructures for NIR-bioimaging,” Nanoscale, 5 (2013) 11339-11361 [doi: 10.1039/c3nr02286b].

[106] C.K. Chandrashekar, B. Basavalingu, K.M.L. Rai, S. Ananda, T. Tonthai, K. Soga, K. Byrappa, “Novel method of synthesis of R3+:YVO4(where R=Nd, Er) crystals,” Mater. Res. Innov., 14 (2013) 38-44 [doi: 10.1179/143307510×12599329342962].

[107] 曽我公平, “「蛍光生物学」の最前線4 セラミックスナノ粒子を用いた近赤外励起蛍光バイオイメージング,” DOJIN NEWS, 141 (2012) 6.

[108] 曽我公平, “アップコンバージョンナノ粒子とその応用 Fundamental and Application of Upconversion Nanophosphors,” ぶんせき BUNSEKI, (2012) 8.

[109] 曽我公平, “バイオイメージングのためのセラミックスナノ粒子 Ceramics Nanophosphors for Bioimaging,” J. Soc. Inorg. Mater. Jpn., 19 (2012) 7.

[110] 小森谷健二, 竹村裕, 溝口博, 曽我公平, 兵藤宏, 岸本英博, 金子和弘, “1A2-E01 近赤外線利用可能な内視鏡を目指したヘッドスキャニング機構による画像検出(非接触センシング),” ロボティクス・メカトロニクス講演会講演概要集, 2012 (2012) _1A2-E01_01-_01A02-E01_04 [doi: 10.1299/jsmermd.2012._1A2-E01_1].

[111] H. Yoshida, M. Kodo, K. Soga, T. Yamamoto, “Doping effect on sinterability of polycrystalline yttria: From the viewpoint of cation diffusivity,” J. Euro. Ceram. Soc., 32 (2012) 3103-3114 [doi: 10.1016/j.jeurceramsoc.2012.04.010].

[112] S. Watanabe, H. Hyodo, H. Taguchi, K. Soga, Y. Takanashi, M. Matsumoto, “Calcination-free liftoff photolithography of mixed dip-coated films consisting of rare-Earth-ion-doped nanoparticles on plastic sheets,” Journal of oleo science, 61 (2012) 565-573 [doi: 10.5650/jos.61.565].

[113] N. Venkatachalam, E. Hemmer, T. Yamano, H. Hyodo, H. Kishimoto, K. Soga, “Synthesis and toxicity assay of ceramic nanophosphors for bioimaging with near-infrared excitation,” Prog.Cryst. Growth and Characterization Mater., 58 (2012) 121-134 [doi: 10.1016/j.pcrysgrow.2012.02.002].

[114] M. Uo, Y. Nakajima, Y. Asakawa, T. Wada, T. Hongo, K. Soga, Y. Kogo, “Rare Earth Oxide Containing Filler for Dental Composite Resin,” Key Eng. Mater., 529-530 (2012) 512-515 [doi: 10.4028/www.scientific.net/KEM.529-530.512].

[115] K. Soga, K. Tokuzen, K. Fukuda, H. Hyodo, E. Hemmer, N. Venkatachalm, H. Kishimoto, “Application of Ceramic/Polymer Conjugate Materials for Near Infrared Biophotonics,” J. Photopolym. Sci. Technol., 25 (2012) 57-62 [doi: 10.2494/photopolymer.25.57].

[116] H. Hyodo, A. Nezu, K. Soga, K. Kimura, “Self-compensation property of β-rhombohedral boron doped with high Li concentration,” Solid State Sci., 14 (2012) 1578-1583 [doi: 10.1016/j.solidstatesciences.2012.01.026].

[117] E. Hemmer, N. Venkatachalam, H. Hyodo, K. Soga, “The Role of pH in PEG-b-PAAc Modification of Gadolinium Oxide Nanostructures for Biomedical Applications,” Advances in Materials Science and Engineering, 2012 (2012) 748098 [doi: 10.1155/2012/748098].

[118] E. Hemmer, H. Takeshita, T. Yamano, T. Fujiki, Y. Kohl, K. Low, N. Venkatachalam, H. Hyodo, H. Kishimoto, K. Soga, “In vitro and in vivo investigations of upconversion and NIR emitting Gd2O3:Er3+, Yb3+ nanostructures for biomedical applications,” J Mater. Sci. Mater. Med, 23 (2012) 2399-2412 [doi: 10.1007/s10856-012-4671-x].

[119] E. Hemmer, I. Kumakiri, N. Lecerf, R. Bredesen, S. Barth, J. Altmayer, N. Donia, C. Cavelius, K. Soga, S. Mathur, “Nanostructured ZrO2 membranes prepared by liquid-injection chemical vapor deposition,” Microporous and Mesoporous Mater., 163 (2012) 229-236 [doi: 10.1016/j.micromeso.2012.06.057].

[120] 大崎涼介, 丁明, 兵藤宏, 曽我公平, 竹村裕, 溝口博, 2P2-H02 希土類含有セラミックスナノ粒子と近赤外光を用いた乳がん細胞の三次元バイオイメージング(手術支援ロボティクス・メカトロニクス),  ロボティクス・メカトロニクス講演会講演概要集, 2011, pp. _2P2-H02_01-_02P02-H02_04.

[121] 大崎涼介, 丁明, 竹村裕, 兵藤宏, 曽我公平, 溝口博, 屈折率を考慮した近赤外光を用いた乳がん細胞の三次元バイオイメージング,  第32回バイオメカニズム学術講演会(SOBIM 2011 in Osaka) 講演論文集, 2011, pp. 243-244.

[122] 曽我公平, “NIR励起バイオメディカルイメージングとその応用 Biomedical imaging with near infrared excitation : fundamental and applications,” バイオマテリアル : 生体材料 : Journal of Japanese Society for Biomaterials, 29 (2011) 9.

[123] H. Yoshida, K. Morita, B.-N. Kim, K. Hiraga, K. Yamanaka, K. Soga, T. Yamamoto, “Low-Temperature Spark Plasma Sintering of Yttria Ceramics with Ultrafine Grain Size,” J. Am. Ceram. Soc., 94 (2011) 3301-3307 [doi: 10.1111/j.1551-2916.2011.04583.x].

[124] S. Watanabe, H. Hyodo, H. Taguchi, K. Soga, Y. Takanashi, M. Matsumoto, “Calcination- and Etching-Free Photolithography of Inorganic Phosphor Films Consisting of Rare Earth Ion Doped Nanoparticles on Plastic Sheets,” Adv. Func. Mater., 21 (2011) 4264-4269 [doi: 10.1002/adfm.201100718].

[125] T. Taniguchi, K. Soga, K. Tokuzen, K. Tsujiuchi, T. Kidokoro, K. Tomita, K.-i. Katsumata, N. Matsushita, K. Okada, “NIR-excited NIR and visible luminescent properties of amphipathic YVO4: Er3+/Yb3+ nanoparticles,” J. Mater. Sci., 47 (2011) 2241-2247 [doi: 10.1007/s10853-011-6035-1].

[126] K. Tanabe, K. Soga, S. Hosoi, K. Osumi, H. Yamaguchi, T. Uruga, K. Kimura, “Low Critical Concentration of Metal–Insulator Transition of Vanadium Doped Amorphous Boron,” J. Phys. Soc. Jpn., 80 (2011)  [doi: 10.1143/jpsj.80.024709].

[127] B. Shahmoradi, K. Namratha, K. Byrappa, K. Soga, S. Ananda, R. Somashekar, “Enhancement of the photocatalytic activity of modified ZnO nanoparticles with manganese additive,” Res. Chem. Intermediates, 37 (2011) 329-340 [doi: 10.1007/s11164-011-0255-5].

[128] R. Osaki, H. Takemura, M. Ding, H. Hyodo, K. Soga, H. Mizoguchi, 3D fluorescence bioimaging of breast cancer using rare-earth-doped ceramic nanophosphors and near-infrared,  Proceedings of International Biomechanics Conference & Annual Meeting of Taiwanese Society of Biomechanics, 2011, pp. TSB2011-2056.

[129] R. Osaki, M. Ding, H. Hyodo, K. Soga, H. Takemura, H. Mizoguchi, 3D bioimaging sensor of breast cancer cell using rare-earth-doped ceramic nanophosphors and near-infrared,  SENSORS, 2011 IEEE, 2011, pp. 1784-1787.

[130] T. Nagatochi, H. Hyodo, A. Sumiyoshi, K. Soga, Y. Sato, M. Terauchi, F. Esaka, K. Kimura, “Superconductivity in Li-dopedα-rhombohedral boron,” Phys. Rev. B, 83 (2011)  [doi: 10.1103/PhysRevB.83.184507].

[131] M. Kamimura, N. Kanayama, K. Tokuzen, K. Soga, Y. Nagasaki, “Near-infrared (1550 nm) in vivo bioimaging based on rare-earth doped ceramic nanophosphors modified with PEG-b-poly(4-vinylbenzylphosphonate),” Nanoscale, 3 (2011) 3705-3713 [doi: 10.1039/c1nr10466g].

[132] H. Hyodo, N. Sato, K. Kitano, K. Soga, “Surface Modification of Ceramic Nanophosphors by Atmospheric Pressure Plasma,” J. Photopolym. Sci. Technol., 24 (2011) 429-433 [doi: 10.2494/photopolymer.24.429].

[133] 宇尾基弘, 金森敏英, 高橋正樹, 亘理文夫, 曽我公平, 向後保雄, 希土類含有イットリアナノ微粒子の歯科材料への応用,  傾斜機能材料論文集, 2010, pp. 76-81.

[134] T. Zako, H. Hyodo, K. Tsuji, K. Tokuzen, H. Kishimoto, M. Ito, K. Kaneko, M. Maeda, K. Soga, “Development of Near Infrared-Fluorescent Nanophosphors and Applications for Cancer Diagnosis and Therapy,” J. Nanomater., 2010 (2010) 1-7 [doi: 10.1155/2010/491471].

[135] K. Soga, K. Tokuzen, K. Tsuji, T. Yamano, N. Venkatachalam, H. Hyodo, H. Kishimoto, Application of ceramic phosphors for near infrared biomedical imaging technologies,  Proc.SPIE, 2010.

[136] K. Soga, K. Tokuzen, K. Tsuji, T. Yamano, H. Hyodo, H. Kishimoto, “NIR Bioimaging: Development of Liposome-Encapsulated, Rare-Earth-Doped Y2O3 Nanoparticles as Fluorescent Probes,” Euro. J. Inorg. Chem., 2010 (2010) 2673-2677 [doi: 10.1002/ejic.201000201].

[137] K. Soga, Y. Nagasaki, “Polyscale technology for developing near infrared fluorescence bioimaging system based on novel synthese approaches for rare-earth doped nanophspors,” Mater. Res. Innov., 14 (2010) 51-55 [doi: 10.1179/143307510X12599329343402].

[138] B. Shahmoradi, I.A. Ibrahim, N. Sakamoto, S. Ananda, T.N. Row, K. Soga, K. Byrappa, S. Parsons, Y. Shimizu, “In situ surface modification of molybdenum-doped organic-inorganic hybrid TiO2 nanoparticles under hydrothermal conditions and treatment of pharmaceutical effluent,” Environ. Technol., 31 (2010) 1213-1220 [doi: 10.1080/09593331003592261].

[139] M. Kodo, K. Soga, H. Yoshida, T. Yamamoto, “Doping effect of divalent cations on sintering of polycrystalline yttria,” J. Euro. Ceram. Soc., 30 (2010) 2741-2747 [doi: 10.1016/j.jeurceramsoc.2010.05.028].

[140] S. Jiang, K. Soga, M.J.F. Digonnet, K. Tokuzen, K. Tsuji, J.W. Glesener, J.C. Dries, T. Yamano, N. Venkatachalam, H. Hyodo, H. Kishimoto, Application of ceramic phosphors for near infrared biomedical imaging technologies,  Optical Components and Materials VII, 2010.

[141] E. Hemmer, T. Yamano, H. Kishimoto, K. Soga, Gadolinium-containing inorganic nanostructures for biomedical applications: Cytotoxic aspects,  2010 International Conference on Nanoscience and Nanotechnology, 2010, pp. 225-229.

[142] E. Hemmer, K. Soga, T. Konishi, T. Watanabe, T. Taniguchi, S. Mathur, “Influence of the Host Phase on the Vibrational Spectra of Europium-Doped Zirconia Prepared by Hydrothermal Processing,” J. Am. Ceram. Soc., 93 (2010) 3873-3879 [doi: 10.1111/j.1551-2916.2010.03981.x].

[143] E. Hemmer, Y. Kohl, S. Mathur, H. Thielecke, K. Soga, “Solvothermal Synthesis of Gadolinium Hydroxide and Oxide Powders and their Potential for Biomedical Applications,” PACRIM8-S07-048-2009.R1, Symposium7 (2010) 11.

[144] E. Hemmer, Y. Kohl, V. Colquhoun, H. Thielecke, K. Soga, S. Mathur, “Probing Cytotoxicity of Gadolinium Hydroxide Nanostructures,” J. Phys. Chem. B, 114 (2010) 4358-4365 [doi: 10.1021/jp911607h].

[145] H. Akiyama, K. Tokuzen, H. Otsuka, K. Soga, F. Tashiro, “Application of liposome-encapsulated ceramic phoshpors for cancer cell imaging under near infrared excitation,” J. Phys.: Conf. Ser., 232 (2010) 012001 [doi: 10.1088/1742-6596/232/1/012001].

[146] 曽我公平, “ポリスケールテクノロジーによる近赤外励起蛍光バイオイメージングシステムの開発,” 分析化学, 58 (2009) 461-471 [doi: 10.2116/bunsekikagaku.58.461].

[147] 吉田英弘, 河道正泰, 曽我公平, “酸化物セラミックスの焼結挙動と機能元素 (特集 機能元素のナノ材料科学),” マテリアルインテグレション, 22 (2009) 84-88.

[148] T. Zako, H. Nagata, N. Terada, A. Utsumi, M. Sakono, M. Yohda, H. Ueda, K. Soga, M. Maeda, “Cyclic RGD peptide-labeled upconversion nanophosphors for tumor cell-targeted imaging,” Biochem. Biophys. Res. Commun., 381 (2009) 54-58 [doi: 10.1016/j.bbrc.2009.02.004].

[149] M. Yamaguchi, Y. Ohishi, S. Hosoi, K. Soga, K. Kimura, “Metallic-covalent bonding conversion in boron icosahedral cluster solids studied using electron localizability indicator,” J. Phys.: Conf. Ser., 176 (2009)  [doi: 10.1088/1742-6596/176/1/012027].

[150] N. Venkatachalam, Y. Saito, K. Soga, “Synthesis of Er3+ Doped Y2O3 Nanophosphors,” J. Am. Ceram. Soc., 92 (2009) 1006-1010 [doi: 10.1111/j.1551-2916.2009.02986.x].

[151] N. Venkatachalam, Y. Okumura, K. Soga, R. Fukuda, T. Tsuji, “Bioimaging of M1 cells using ceramic nanophosphors: Synthesis and toxicity assay of Y2O3 nanoparticles,” J. Phys.: Conf. Ser., 191 (2009)  [doi: 10.1088/1742-6596/191/1/012002].

[152] M. Uo, E. Kudo, A. Okada, K. Soga, Y. Kogo, “Preparation and Properties of Dental Composite Resin Cured under Near Infrared Irradiation,” J. Photopolym. Sci. Technol., 22 (2009)  [doi: 10.2494/photopolymer.22.551].

[153] M. Uo, T. Hasegawa, T. Akasaka, I. Tanaka, F. Munekane, M. Omori, H. Kimura, R. Nakatomi, K. Soga, Y. Kogo, F. Watari, “Multiwalled carbon nanotube monoliths prepared by spark plasma sintering (SPS) and their mechanical properties,” Biomed. Mater. Eng., 19 (2009) 11-17 [doi: 10.3233/BME-2009-0558].

[154] K. Tsujiuchi, A. Okada, D. Matssuura, K. Soga, “Development of Flexible and Transparent Upconversion Display by Using Polymer-Ceramics Composite,” J. Photopolym. Sci. Technol., 22 (2009) 541-546 [doi: 10.2494/photopolymer.22.541].

[155] K. Soga, Y. Okumura, K. Tsuji, N. Venkatachalam, “Effect of K3PO4 addition as sintering inhibitor during calcination of Y2O3 nanoparticles,” J. Phys.: Conf. Ser., 191 (2009)  [doi: 10.1088/1742-6596/191/1/012003].

[156] Y. Kohl, E. Hemmer, K. Soga, D.S. Mathur, H. Thielecke, “Biocompatibility of Eu3+-doped gadolinium hydroxide and oxide nanorods,” Proceedings of the 7th International Conference on f Elements, ICfE-7, (2009) 9 [doi: 10.3286/tr.200914].

[157] M. Kodo, K. Soga, H. Yoshida, T. Yamamoto, “Low temperature sintering of polycrystalline yttria by transition metal ion doping,” J. Ceram. Soc. Jpn., 117 (2009) 765-768 [doi: 10.2109/jcersj2.117.765].

[158] Y. Kawasaki, Y. Gotoh, K. Tokuzen, M. Kamimura, T. Komeno, M. Tomatsu, R. Todoroki, Y. Nagasaki, K. Soga, F. Tashiro, “Selective tumor imaging by a novel tumor specific aralin-infrared-to-visible phosphor conjugate,” J. Phys.: Conf. Ser., 191 (2009)  [doi: 10.1088/1742-6596/191/1/012001].

[159] S. Hosoi, K. Tanabe, H. Kim, K. Kirihara, K. Soga, K. Kimura, K. Kato, M. Takata, “Electron density distribution of β-rhombohedral boron constructed from icosahedral cluster,” J. Phys.: Conf. Ser., 176 (2009)  [doi: 10.1088/1742-6596/176/1/012026].

[160] E. Hemmer, T. Yamano, H. Kishimoto, K. Soga, “Cytotoxicity of Gd2O3:Ln3+ nanostructures and their potential as biomarkers,” Proceedings of the 7th International Conference on f Elements, ICfE-7, (2009) 10 [doi: 10.3286/tr.200909].

[161] 曽我公平, 上村真生, 長崎幸夫, “希土類含有セラミックスナノ粒子によるアップコンバージョン現象を利用した近赤外励起バイオイメージング,” 応用物理, 77 (2008) 1458-1461 [doi: 10.11470/oubutsu.77.12_1458].

[162] 曽我公平, “近赤外バイオイメージングシステムの開拓,” 金属 Kinzoku, 78 (2008) 6.

[163] T. Zako, H. Nagata, N. Terada, M. Sakono, K. Soga, M. Maeda, “Improvement of dispersion stability and characterization of upconversion nanophosphors covalently modified with PEG as a fluorescence bioimaging probe,” J. Mater. Sci., 43 (2008) 5325-5330 [doi: 10.1007/s10853-008-2776-x].

[164] H. Yoshida, K. Morita, B.-N. Kim, K. Hiraga, M. Kodo, K. Soga, T. Yamamoto, “Densification of Nanocrystalline Yttria by Low Temperature Spark Plasma Sintering,” J. Am. Ceram. Soc., 91 (2008) 1707-1710 [doi: 10.1111/j.1551-2916.2008.02337.x].

[165] Y. Takahashi, T. Konishi, K. Soga, T. Fujiwara, “Origin of photoluminescence in suzukiite-type BaTiSi2O7,” J. Ceram. Soc. Jpn., 116 (2008) 4 [doi: 10.2109/jcersj2.116.1104].

[166] K. Soga, T. Tsuji, F. Tashiro, J. Chiba, M. Oishi, K. Yoshimoto, Y. Nagasaki, K. Kitano, S. Hamaguchi, “Development of NIR bioimaging systems,” J. Phys.: Conf. Ser., 106 (2008)  [doi: 10.1088/1742-6596/106/1/012023].

[167] Y. Saito, K. Shimizu, M. Kamimura, H. Furusyo, K. Soga, Y. Nagasaki, “Plate assay by UC emission from Y2O3: Er under near infrared excitation,” Transactions of the Materials Research Society of Japan, 33 (2008) 803-806 [doi: 10.14723/tmrsj.33.803].

[168] D. Matsuura, T. Ikeuchi, K. Soga, “Upconversion luminescence of colloidal solution of Y2O3 nano-particles doped with trivalent rare-earth ions,” J. Lumin., 128 (2008) 1267-1270 [doi: 10.1016/j.jlumin.2007.12.024].

[169] K.S. Masayasu KODO, Hidehiro YOSHIDA, Takahisa YAMAMOTO, “DOPING EFFECT OF TRANSITION METAL IONS ON SINTERABILITY OF POLYCRYSTALLINE YTTRIA,” 2nd Int. Congress on Ceram., ICC 2008 – Verona, Italy: 29 Jun 2008 -4 Jul 2008, (2008) 6.

[170] M. Kamimura, D. Miyamoto, Y. Saito, K. Soga, Y. Nagasaki, “Preparation of PEGylated upconversion nanophosphors with high dispersion stability under physiological conditions for near-infrared bioimaging,” Transactions of the Materials Research Society of Japan, 33 (2008) 795-798 [doi: 10.14723/tmrsj.33.795].

[171] M. Kamimura, D. Miyamoto, Y. Saito, K. Soga, Y. Nagasaki, “Design of Poly(ethylene glycol)/Streptavidin Coimmobilized Upconversion Nanophosphors and Their Application to Fluorescence Biolabeling,” Langmuir, 24 (2008) 8864-8870 [doi: 10.1021/la801056c].

[172] M. Kamimura, D. Miyamoto, Y. Saito, K. Soga, Y. Nagasaki, “Preparation of PEG and Protein Co-immobilized Upconversion Nanophosphors as Near-infrared Biolabeling Materials,” J. Photopolym. Sci. Technol., 21 (2008) 183-187 [doi: 10.2494/photopolymer.21.183].

[173] H. Hyodo, S. Hosoi, S. Araake, K. Soga, Y. Sato, M. Terauchi, K. Kimura, “Mg-doping into boron icosahedral duster solids, targeting high temperature superconductivity,” Transactions of the Materials Research Society of Japan, 33 (2008) 303-306 [doi: 10.14723/tmrsj.33.303].

[174] H. Hyodo, S. Araake, S. Hosoi, K. Soga, Y. Sato, M. Terauchi, K. Kimura, “Structure and electronic properties of Mg-doped β-rhombohedral boron constructed from icosahedral clusters,” Phys. Rev. B, 77 (2008)  [doi: 10.1103/PhysRevB.77.024515].

[175] K. Byrappa, M.K. Devaraju, J.R. Paramesh, B. Basavalingu, K. Soga, “Hydrothermal synthesis and characterization of LaPO4 for bio-imaging phosphors,” J. Mater. Sci., 43 (2008) 2229-2233 [doi: 10.1007/s10853-007-2337-8].

[176] K. Byrappa, A.S. Dayananda, C.P. Sajan, B. Basavalingu, M.B. Shayan, K. Soga, M. Yoshimura, “Hydrothermal preparation of ZnO:CNT and TiO2:CNT composites and their photocatalytic applications,” J. Mater. Sci., 43 (2008) 2348-2355 [doi: 10.1007/s10853-007-1989-8].

[177] B. Basavalingu, H.N. Girish, K. Byrappa, K. Soga, “Hydrothermal synthesis and characterization of orthorhombic yttrium aluminum perovskites (YAP),” Mater. Chem. Phys., 112 (2008) 723-725 [doi: 10.1016/j.matchemphys.2008.06.049].

[178] K. Soga, Y. Saito, K. Shimizu, Y. Okumura, T. Konishi, “Application of rare-earth doped ceramic nanophosphors for bioimaging under NIR excitation,” Mater. Sci. Technol. (MS&T) 2007 September 16-20, 2007, Detroit, Michigan, 4 (2007) 5.

[179] K. Soga, A. Okada, Y. Saito, Y. Kameyama, T. Konishi, “Coating on Upconversion Emissive Nano-particles with Photocuring Resin,” J. Photopolym. Sci. Technol., 20 (2007) 7-9 [doi: 10.2494/photopolymer.20.7].

[180] T. Ohgaki, Y. Nagumo, K. Soga, A. Yasumori, “Luminescence Property and Phase-Separation Texture of Phase-Separated Glasses and Glass-Ceramics in Mn-Doped ZnO-SiO2 System,” J. Ceram. Soc. Jpn., 115 (2007) 201-204 [doi: 10.2109/jcersj.115.201].

[181] T. Ohgaki, A. Higashida, K. Soga, A. Yasumori, “Eu-Doped CaAl2Si2O8 Nanocrystalline Phosphors Crystallized from the CaO–Al2O3–SiO2 Glass System,” J. Electrochem. Soc., 154 (2007)  [doi: 10.1149/1.2712834].

[182] T. Konishi, M. Shimizu, Y. Kameyama, K. Soga, “Fabrication of upconversion emissive LaOCl phosphors doped with rare-earth ions for bioimaging probes,” J. Mater. Sci.: Mater. Electronics, 18 (2007) 183-186 [doi: 10.1007/s10854-007-9185-9].

[183] T. Konishi, K. Shimizu, Y. Saito, K. Soga, “Surface Modification of Upconversion Nanophosphors with Poly(acrylic acid),” J. Photopolym. Sci. Technol., 20 (2007) 11-15 [doi: 10.2494/photopolymer.20.11].

[184] S. Hosoi, H. Kim, T. Nagata, K. Kirihara, K. Soga, K. Kimura, K. Kato, M. Takata, “Electron Density Distributions in Derivative Crystals of α-Rhombohedral Boron,” J. Phys. Soc. Jpn., 76 (2007)  [doi: 10.1143/jpsj.76.044602].

[185] K. Byrappa, M.K. Devaraju, J.R. Paramesh, B. Basavalingu, K. Soga, “Hydrothermal synthesis and characterization of LaPO4 for bio-imaging phosphors,” J. Mater. Sci., 43 (2007) 2229-2233 [doi: 10.1007/s10853-007-2337-8].

[186] K. Soga, Y. Saito, K. Shimizu, H. Nagata, T. Konishi, Y. Nagasaki, “Preparation and Surface Modification of Rare-Earth Doped Ceramic Nano-Phosphors for Fluorescence Bioimaging,” MRS Proc., 951 (2006) 0951-E0902-0903 [doi: 10.1557/PROC-0951-E02-03].

[187] K. Soga, A. Okada, M. Yamada, “Photocuring by Infrared Irradiation Using Upconversion Emission,” J. Photopolym. Sci. Technol., 19 (2006) 45-48 [doi: 10.2494/photopolymer.19.45].

[188] K. Soga, T. Konishi, Y. Saito, K. Shimizu, “Application of Ceramic Nano-Phosphors for Bio-Imaging,” Proc. 6th Asian BioCeram. Symp. (ABC2006), Nov. 7 – 10, 2006, Bangkok, Thailand., (2006) 2.

[189] K.B. Ramaningaiah, C.K. Chandrashekar, K.M. Lokanatharai, B. Basavalingu, K. Soga, “Crystal growth and morphology of Nd:YVO4 under hydrothermal conditions,” J. Mater. Sci., 41 (2006) 1415-1421 [doi: 10.1007/s10853-006-7430-x].

[190] T. Kunishi, M. Yamada, K. Soga, D. Matsuura, Y. Nagasaki, “PEG-based Surface Modification on Upconversion Nanophosphors for Bio-imaging under IR Excitation,” J. Photopolym. Sci. Technol., 19 (2006) 145-149 [doi: 10.2494/photopolymer.19.145].

[191] K. Kirihara, K. Kawaguchi, Y. Shimizu, T. Sasaki, N. Koshizaki, K. Soga, K. Kimura, “Dependence of photocurrent in single-crystalline boron nanobelts on atmosphere,” Appl. Phys. Lett., 89 (2006) 243121 [doi: 10.1063/1.2404609].

[192] K. Byrappa, A.K. Subramani, S. Ananda, K.M.L. Rai, M.H. Sunitha, B. Basavalingu, K. Soga, “Impregnation of ZnO onto activated carbon under hydrothermal conditions and its photocatalytic properties,” J. Mater. Sci., 41 (2006) 1355-1362 [doi: 10.1007/s10853-006-7341-x].

[193] K. Soga, R. Koizumi, M. Yamada, D. Matsuura, Y. Nagasaki, “Preparation of Polymer Composite Upconversion Phosphor from Inorganic Particles,” J. Photopolym. Sci. Technol., 18 (2005) 73-74 [doi: 10.2494/photopolymer.18.73].

[194] K. Ryo, Y. Masayoshi, S. Kohei, N. Yukio, “Preparation of Upconversion Emissive Inorganic Particles-polymer Composite,” J. Photopolym. Sci. Technol., 18 (2005) 51-53 [doi: 10.2494/photopolymer.18.51].

[195] K. Kirihara, Z. Wang, K. Kawaguchi, Y. Shimizu, T. Sasaki, N. Koshizaki, K. Soga, K. Kimura, “Temperature dependence of electrical conductance in single-crystalline boron nanobelts,” Appl. Phys. Lett., 86 (2005)  [doi: 10.1063/1.1935036].

[196] K. Kirihara, Z. Wang, K. Kawaguchi, Y. Shimizu, T. Sasaki, N. Koshizaki, H. Hyodo, K. Soga, K. Kimura, “Electrical transport of tetragonal boron nanobelts,” Journal of Vacuum Science & Technology B, 23 (2005) 2510-2513 [doi: 10.1116/1.2131870].

[197] M. Terauchi, Y. Sato, T. Nakayama, A. Oguri, K. Soga, K. Kimura, “High-energy-resolution electron energy-loss spectroscopy study of the electronic structure of Cu- and Mg-Si-doped β-rhombohedral boron crystals,” J. Solid State Chem., 177 (2004) 2916-2919 [doi: 10.1016/j.jssc.2004.04.044].

[198] K. Soga, A. Oguri, S. Araake, M. Terauchi, A. Fujiwara, K. Kimura, “Li- and Mg-doping into icosahedral boron crystals, α- and β-rhombohedral boron, targeting high-temperature superconductivity: structure and electronic states,” J. Solid State Chem., 177 (2004) 498-506 [doi: 10.1016/j.jssc.2003.03.002].

[199] H. Inoue, K. Moriwaki, N. Tabata, K. Soga, A. Makshima, Y. Akasaka, “Simulation of the optical properties of Tm:ZBLAN glass. II. Energy transfer between Tm3+ ions under single- and dual-wavelength excitation,” J. Non-Cryst. Solids, 336 (2004) 135-147 [doi: 10.1016/j.jnoncrysol.2004.02.006].

[200] K. Soga, W. Wang, R.E. Riman, J.B. Brown, K.R. Mikeska, “Luminescent properties of nanostructured Dy3+– and Tm3+-doped lanthanum chloride prepared by reactive atmosphere processing of sol-gel derived lanthanum hydroxide,” J. Appl. Phys., 93 (2003) 2946-2951 [doi: 10.1063/1.1540229].

[201] K. Soga, J. Kaga, H. Inoue, A. Makishima, “Optical properties of new low-phonon SnF2–PbF2–ZnF2 glasses,” J. Non-Cryst. Solids, 315 (2003) 1-6 [doi: https://doi.org/10.1016/S0022-3093(02)01576-4].

[202] H. Inoue, K. Soga, A. Makishima, “The effects of crystal-fields on the optical properties of Pr:ZBLAN glass,” J. Non-Cryst. Solids, 325 (2003) 282-294 [doi: https://doi.org/10.1016/S0022-3093(03)00316-8].

[203] H. Inoue, K. Soga, A. Makishima, “Structure around the Tm3+ ion in a glass based on AlF3,” J. Non-Cryst. Solids, 331 (2003) 58-69 [doi: 10.1016/j.jnoncrysol.2003.09.026].

[204] H. Inoue, S. Osawa, K. Soga, A. Makishima, “Energy transfer between Er3+ ions in ZBLAN glass,” Physics and Chemistry of Glasses, 44 (2003) 422-430.

[205] K. Soga, Y. Suzuki, Y. Kojima, M. Takeda, K. Kimura, “Pulsed and modulated photoconduction of icosahedral Al–Cu–Fe quasicrystalline thin film,” J. Alloys and Compounds, 342 (2002) 369-373 [doi: https://doi.org/10.1016/S0925-8388(02)00256-6].

[206] T. Konishi, K. Soga, H. Inoue, A. Makishima, S. Inoue, S. Nakano, “Synthesis and Properties of Glassy Microcavities for Morphology-Dependent Resonances through Liquid–Liquid Phase Separation,” J. Am. Ceram. Soc., 85 (2002) 1151-1156 [doi: 10.1111/j.1151-2916.2002.tb00237.x].

[207] H. Inoue, K. Soga, A. Makishima, “Simulation of the optical properties of Tm:ZBLAN glass,” J. Non-Cryst. Solids, 306 (2002) 17-29 [doi: https://doi.org/10.1016/S0022-3093(02)01059-1].

[208] H. Inoue, K. Soga, A. Makishima, “Simulation of the optical properties of Er:ZBLAN glass,” J. Non-Cryst. Solids, 298 (2002) 270-286 [doi: https://doi.org/10.1016/S0022-3093(01)01052-3].

[209] 曽我公平, 木村薫, “ホウ素系正20面体クラスター固体の構造と物性-高温超伝導発現の可能性,” セラミックス, 37 (2001) 6.

[210] K. Soga, H. Inoue, A. Makishima, “Effect of long range and nearest neighbour coordination on optical properties of Eu3+ doped fluorozirconate glasses,” Phys. Chem. Glasses Part B, 42 (2001) 328-332.

[211] K. Soga, H. Inoue, A. Makishima, “Simulation of optical spectra of Eu3+ ion in fluorozirconate glasses by molecular dynamics simulation and point charge crystal field,” J. Appl. Phys., 89 (2001) 3730-3735 [doi: 10.1063/1.1351542].

[212] A. Makishima, Y. Orihara, K. Soga, H. Inoue, “Preparation and optical properties of TPPS-doped metal–carboxylate-salts glasses,” Science and Technology of Advanced Materials, 2 (2001) 405-410 [doi: https://doi.org/10.1016/S1468-6996(01)00016-X].

[213] T. Konishi, T. Asano, Y. Ishii, K. Soga, H. Inoue, S. Inoue, A. Makishima, H. Nishimura, S. Takasu, T. Sabato, “Thermal- blanket Effect Observed on Molten Glass in Drop Shaft Experiments,” Journal of the Japan Society of Microgravity Application, 17 (2000

) 7.

[214] M. Tsuda, K. Soga, H. Inoue, A. Makishima, “Comparison between the calculated and measured energy transfer rates of the 4S3/2 state in Er3+-doped fluorozirconate glasses,” J. Appl. Phys., 88 (2000) 1900-1906 [doi: 10.1063/1.1303742].

[215] K. Soga, H. Inoue, A. Makishima, “Calculation and simulation of spectroscopic properties for rare earth ions in chloro-fluorozirconate glasses,” J. Non-Cryst. Solids, 274 (2000) 69-74 [doi: https://doi.org/10.1016/S0022-3093(00)00203-9].

[216] T. Konishi, T. Asano, Y. Ishii, K. Soga, H. Inoue, A. Makishima, S. Inoue, “Effects of Eu2O3 on liquid–liquid phase separation of PbO–B2O3, BaO–B2O3 and SrO–B2O3 glasses,” J. Non-Cryst. Solids, 265 (2000) 19-28 [doi: https://doi.org/10.1016/S0022-3093(99)00878-9].

[217] M. Tsuda, K. Soga, H. Inoue, S. Inoue, A. Makishima, “Effect of Yb3+ doping on upconversion emission intensity and mechanism in Er3+/Yb3+-codoped fluorozirconate glasses under 800 nm excitation,” J. Appl. Phys., 86 (1999) 6143-6149 [doi: 10.1063/1.371666].

[218] M. Shiraishi, A. Makishima, H. Inoue, K. Soga, “Optical properties of lead–tin fluoro phosphate glass doped with porphyrin metallocomplexes,” J. Non-Cryst. Solids, 259 (1999) 165-169 [doi: https://doi.org/10.1016/S0022-3093(99)00542-6].

[219] S. Inoue, A. Makishima, H. Inoue, K. Soga, T. Konishi, T. Asano, “An approach to new glasses through phase separation,” J. Non-Cryst. Solids, 247 (1999) 1-8 [doi: https://doi.org/10.1016/S0022-3093(99)00081-2].

[220] M. Tsuda, K. Soga, H. Inoue, S. Inoue, A. Makishima, “Upconversion mechanism in Er3+-doped fluorozirconate glasses under 800 nm excitation,” J. Appl. Phys., 85 (1998) 29-37 [doi: 10.1063/1.369445].

[221] H. Tsuboi, K. Soga, H. Inoue, A. Makishima, “Synthesis and Fluorescence Properties of Eu2+-Complex-Doped SiO2 Gels,” J. Am. Ceram. Soc., 81 (1998) 1197-1202 [doi: 10.1111/j.1151-2916.1998.tb02468.x].

[222] K. Soga, M. Tsuda, S. Sakuragi, H. Inoue, S. Inoue, A. Makishima, “Effects of chloride introduction on the optical properties and the upconversion emission with 980-nm excitation of Er3+ in ZBLAN fluoride glasses,” J. Non-Cryst. Solids, 222 (1997) 272-281 [doi: https://doi.org/10.1016/S0022-3093(97)90124-1].

[223] S. Inoue, K. Wada, A. Nukui, M. Yamane, S. Shibata, A. Yasumori, T. Yano, A. Makishima, H. Inoue, K. Soga, “Estimation of phase separation rates of BaO-B2O3 melts under cooling,” Physics and Chemistry of Glasses, 38 (1997) 4.

[224] S. Inoue, A. Makishima, H. Inoue, K. Soga, T. Konishi, T. Asano, Y. Ishii, M. Koyama, “In Situ Observation of Phase Separation of a Barium Borate Melt in a Stable Immiscibility Region under Microgravity,” J. Am. Ceram. Soc., 80 (1997) 2413-2417 [doi: 10.1111/j.1151-2916.1997.tb03135.x].

[225] H. Inoue, K. Soga, A. Makishima, “Structure and optical properties of Eu3+-doped fluoroaluminate and fluorophosphate glasses,” J. Non-Cryst. Solids, 222 (1997) 212-220 [doi: https://doi.org/10.1016/S0022-3093(97)90116-2].

[226] 曽我公平, “ガラスの中での希土類,” NEW GLASS,, 11 (1996) 8.

[227] 井上博之, 曽我公平, 牧島亮男, “ニューガラスの新展開に向けて,” Inorganic Materials, 3 (1996) 7.

[228] K. Soga, M. Uo, H. Inoue, A. Makishima, S. Inoue, “Site-Dependent Study of the Optical Properties of Eu3+ in Pure and Chlorine-Doped Fluorozirconate Glasses,” J. Am. Ceram. Soc., 78 (1995) 129-132 [doi: 10.1111/j.1151-2916.1995.tb08371.x].

[229] K. Soga, H. Inoue, A. Makishima, S. Inoue, “Energy level calculateion of the Eu3+ ion in fluorozirconate glassand Chemistry of Glasses,” Physics and Chemistry of Glasses, 36 (1995) 8.

[230] H. Inoue, K. Soga, A. Makishima, I. Yasui, “Structure of fluorozirconate glass containing Cl ions,” Physics and Chemistry of Glasses

(1995) 5.

[231] S. Inoue, A. Nukui, K. Soga, A. Makishima, “Effect of Yb3+-Codoping on the Upconversion Emission Intensity in Er3+-Doped ZBLAN Fluoride Glasses Under 800-nm Excitation,” J. Am. Ceram. Soc., 77 (1994) 4 [doi: 10.1111/j.1151-2916.1994.tb04616.x].

[232] K. Soga, H. Inoue, A. Makishima, S. Inoue, “Fluorescence properties of fluorozirconate glasses containing Eu3+ ions,” J. Lumin., 55 (1993) 17-24 [doi: https://doi.org/10.1016/0022-2313(93)90079-3].

[233] S. Inoue, K. Soga, A. Makishima, “Effect of Introduction of Chloride on the Upconversion Emission Intensity in Er- and Yb-Codoped ZBLAN Fluoride Glasses,” J. Am. Ceram. Soc., 76 (1993) 1591-1594 [doi: 10.1111/j.1151-2916.1993.tb03944.x].