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Optical Trapping of Nanocrystals at Oil/Water Interfaces: Implications for Photocatalysis Yasuyuki Tsuboi*, Shota Naka, Daiki Yamanishi, Tatsuya Nagai, Ken-ichi Yuyama, Tatsuya Shoji , Bunsho Ohtani, Mamoru Tamura, Takuya Iida, Tatsuya Kameyama, and Tsukasa Torimoto* ACS Appl. Nano Mater. , 4 (2021) , 11743–11752.DOI: 10.1021/acsanm.1c02335 Incoherent Optical Tweezers on Black Titanium Sayaka Hashimoto, Yuki Uenobo, Ryota Takao, Ken-ichi Yuyama, Tatsuya Shoji , Denver P. Linklater, Elena Ivanova, Saulius Juodkazis, Tatsuya Kameyama, Tsukasa Torimoto, Yasuyuki Tsuboi* ACS Appl. Mater. Interfaces , 13 (2021) , 27586–27593.DOI: 10.1021/acsami.1c04929 Formation of Single Double-Layered Coacervate of Poly(N ,N -diethylacrylamide) in Water by a Laser Tweezer Laser-Induced Transfer of Noble Metal Nanodots with Femtosecond Laser-Interference Processing Yoshiki Nakata*, Koji Tsubakimoto, Noriaki Miyanaga, Aiko Narazaki, Tatsuya Shoji , Yasuyuki Tsuboi Nanomaterials , 11 (2021) , 305.DOI: 10.3390/nano11020305 Nanostructure-assisted optical tweezers for microspectroscopic polymer analysis Thermo-Plasmonic Trapping of Living Cyanobacteria on a Gold Nanopyramidal Dimer Array: Implications for Plasmonic Biochips Shota Naka, Tatsuya Shoji , Sho Fujii, Kosei Ueno, Yumi Wakisaka, Kei Murakoshi, Tadashi Mizoguchi, Hitoshi Tamiaki, Yasuyuki Tsuboi ACS Appl. Nano Mater. , 3 (2020 ), 10067-10072.DOI: 10.1021/acsanm.0c02071 Optical Trapping of Polystyrene Nanoparticles on Black Silicon: Implications for Trapping and Studying Bacteria and Viruses Sawa Komoto, Tatsuya Nagai, Ryota Takao, Kenta Ushiro, Mitsuhiro Matsumoto, Tatsuya Shoji *, Denver P. Linklater, Saulius Juodkazis, Yasuyuki Tsuboi* ACS Appl. Nano Mater. , 3 (2020) , 9831-9841.DOI: 10.1021/acsanm.0c01901 Microanalysis of Single Poly(N -isopropylacrylamide) Droplet Produced by an Optical Tweezer in Water: Isotacticity Dependence of Growth and Chemical Structure of the Droplet Nanodot array deposition via single shot laser interference pattern using laser-induced forward transfer”Yoshiki Nakata*, Eiki Hayashi, Koji Tsubakimoto, Noriaki Miyanaga, Aiko Narazaki, Tatsuya Shoji , Yasuyuki Tsuboi Int. J. Extreme Manuf. , 2 (2020) , 025101.DOI: 10.1088/2631-7990/ab88bf Electrophoretic Adhesion of Conductive HydrogelsTaka-Aki Asoh*, Megumi Nakamura, Tatsuya Shoji , Yasuyuki Tsuboi, Hiroshi Uyama Macromol. Rapid Commun. , 41 (2020) , 2000169.DOI: 10.1002/marc.202000169 Plasmonic Manipulation of DNA using a Combination of Optical and Thermophoretic Forces: Separation of Different-Sized DNA from Mixture SolutionTatsuya Shoji , Kenta Itoh, Junki Saitoh, Noboru Kitamura, Takahiro Yoshii, Kei Murakoshi, Yuto Yamada, Tomohiro Yokoyama, Hajime Ishihara, Yasuyuki Tsuboi*Sci. Rep. , 10 (2020) , 3349.DOI: 10.1038/s41598-020-60165-5 Regular Assembly of Polymer Nanoparticles by Optical Trapping Enhanced with a Random Array of Si Needles for Reconfigurable Photonic Crystals in LiquidItsuo Hanasaki*, Tatsuya Shoji , Yasuyuki Tsuboi* ACS Appl. Nano Mater. , 2 (2019) , 7637-7643.DOI: 10.1021/acsanm.9b01707 Nanotraffic Lights: Rayleigh Scattering Microspectroscopy of Optically Trapped Octahedral Gold NanoparticlesTatsuya Shoji* , Mamoru Tamura, Tatsuya Kameyama, Takuya Iida, Yasuyuki Tsuboi, Tsukasa TorimotoJ. Phys. Chem. C, 123 (2019) , 23096-23102. DOI: 10.1021/acs.jpcc.9b05077 Dynamics of the Phase Separation in a Thermoresponsive Polymer: Accelerated Phase Separation of Stereocontrolled Poly(N,N -diethylacrylamide) in Water. Mitsuhiro Matsumoto, Takanori Tada, Taka-Aki Asoh, Tatsuya Shoji , Takashi Nishiyama, Hideo Horibe, Yukiteru Katsumoto, Yasuyuki Tsuboi* Langmuir , 34 (2018) , 13690-13696.DOI: 10.1021/acs.langmuir.8b02848 Laser Trapping/confocal Raman Spectroscopic Characterization of PLGA-PEG Nanoparticles. Jie Yang, Ruo-Nan Zhang, Dong-Jie Liu, Xu Zhou, Tatsuya Shoji , Yasuyuki Tsuboi, Hu Yan* Soft Matter , 14 (2018 ), 8090-8094.DOI: 10.1039/C8SM01364K Local Melting of Gold Thin Films by Femtosecond Laser-Interference Processing to Generate Nanoparticles on a Source Target. Yoshiki Nakata*, Keiichi Murakawa, Noriaki Miyanaga, Aiko Narazaki, Tatsuya Shoji , Yasuyuki Tsuboi Nanomaterials, Vol. 8 (2018 ), 477. DOI: 10.3390/nano8070477 Optical tweezing and binding at high irradiation powers on black-Si. Tatsuya Shoji , Ayaka Mototsuji, Armandas Balčytis, Denver Linklater, Saulius Juodkazis, Yasuyuki Tsuboi*Sci. Rep., 7 (2017 ), 12298. DOI: 10.1038/s41598-017-12470-9 プレスリリースはこちら （PDF） 9月29日付の化学工業日報（朝刊4面）、10月19日付の日刊工業新聞にて紹介 2017年Sci. Rep.誌の年間アクセスランキングTop100（物理分野）に選出link “Plasmonic optical trapping of nanometer-sized J- /H- dye aggregates as explored by fluorescence microspectroscopy.” link Ayaka Mototsuji, Tatsuya Shoji , Yumi Wakisaka, Kei Murakoshi, Hiroshi Yao, and Yasuyuki Tsuboi Opt. Exp., Vol. 25, (2017 ), 13617-13625. DOI: 10.1364/OE.25.013617 (Open Access) “Rapid hydrogel repair utilizing microgel architectures.” link Taka-Aki Asoh, Hisayoshi Kinoshita, Tatsuya Shoji , Akihiko Kikuchi and Yasuyuki Tsuboi Mater. Chem. Front., Vol. 1 (2017 ), 1594-1599. DOI: 10.1039/C6QM00370B “Highly Sensitive Detection of Organic Molecules on the Basis of a Poly(N -isopropylacrylamide) Microassembly Formed by Plasmonic Optical Trapping.” link Tatsuya Shoji* , Daiki Sugo, Fumika Nagasawa, Kei Murakoshi, Noboru Kitamura, and Yasuyuki TsuboiAnal. Chem., Vol. 89 (2017 ), 532–537. DOI: 10.1021/acs.analchem.6b04024 日本光学会「2016年 日本の光学研究」に選出。 日本分析化学会 第77回分析化学討論会「展望とトピックス」に選出。 “Rapid Phase Separation in Aqueous Solution of Temperature-Sensitive Poly(N,N -diethylacrylamide)” link Mitsuhiro Matsumoto, Ryo Wakabayashi, Takanori Tada, Taka-Aki Asoh, Tatsuya Shoji , Noboru Kitamura, Yasuyuki Tsuboi Macromol. Chem. Phys., Vol. 217 (2016 ), 2576–2583. DOI: 10.1002/macp.201600239 Selection of a journal back cover “Effects of Syndiotacticity on the Dynamic and Static Phase Separation Properties of Poly(N -Isopropylacrylamide) in Aqueous Solution” link Takanori Tada, Tomohiro Hirano, Koichi Ute, Yukiteru Katsumoto, Taka-Aki Asoh, Tatsuya Shoji , Noboru Kitamura, Yasuyuki Tsuboi J. Phys Chem. B, Vol. 120 (2016 ), 7724-7730. DOI: 10.1021/acs.jpcb.6b03200 “Biodegradable PLGA Nanoparticles Loaded with Hydrophobic Drugs: Confocal Raman Microspectroscopic Characterization” link Hu Yan, Yi-Fan Hou, Peng-Fei Niu, Ke Zhang, Tatsuya Shoji , Yasuyuki Tsuboi, Fang-Yao Yao, Li-Min Zhao and Junbiao Chang J. Mater. Chem. B, Vol. 3 (2015 ), 3677-3680. 10.1039/C5TB00434A “Plasmonic optical trapping of soft nanomaterials such as polymer chains and DNA: micro-patterning formation” link “A method for an approximate determination of a polymer-rich-domain concentration in phase-separated poly(N -isopropylacrylamide) aqueous solution by means of confocal Raman microspectroscopy combined with optical tweezers.” link Tatsuya Shoji* , Riku Nohara, Noboru Kitamura and Yasuyuki TsuboiAnal. Chim. Acta, Vol. 854 (2015 ), pp. 118-121. 10.1016/j.aca.2014.11.001 日本分析化学会 第76回分析化学討論会「展望とトピックス」選出 “Plasmonic Optical Tweezers toward Molecular Manipulation: Tailoring Plasmonic Nanostructure, Light Source, and Resonant Trapping”Tatsuya Shoji* and Yasuyuki Tsuboi*J. Phys. Chem. Lett., Vol. 5 (2014 ), pp. 2957-2967. 10.1021/jz501231h ACS Editor’s choice & Highlighted as a cover art “Permanent Fixing or Reversible Trapping and Release of DNA Micropatterns on a Gold Nanostructure Using Continuous-Wave or Femtosecond-Pulsed Near-Infrared Laser Light”Tatsuya Shoji , Junki Saito, Noboru Kitamura, Fumika Nagasawa, Kei Murakoshi, and Yasuyuki Tsuboi*J. Am. Chem. Soc., Vol. 135, No. 17 (2013 ), pp. 6643-6648. 10.1021/ja401657j 北海道新聞 2013年4月16日（火）付、科学新聞 2013年5月3日（金）付にて紹介 “Resonant Excitation Effect on Optical Trapping of Myoglobin: The Important Role of a Heme Cofactor”Tatsuya Shoji , Noboru Kitamura, and Yasuyuki Tsuboi*J. Phys. Chem. C, Vol. 117, No. 20 (2013 ), pp. 10691-10697 10.1021/jp311091u “Accelerating the Phase Separation in Aqueous Poly(N-isopropylacrylamide) Solutions by Slight Modification of the Polymer Stereoregularity: A Single Molecule Fluorescence Study”Takanori Tada, Yukikteru Katsumoto, KarelGoossens, Hiroshi Uji-I, Johan Hofkens, Tatsuya Shoji , Noboru Kitamura*, and Yasuyuki Tsuboi* J. Phys. Chem. C, Vol. 117, No. 20 (2013 ), pp. 10818-10824. 10.1021/jp4027173 “Reversible Photoinduced-Formation and Manipulation of a Two-dimensional Closely Packed Assembly of Polystyrene Nanospheres on a Metallic Nanostructure”Tatsuya Shoji , Noboru Kitamura, Fumika Nagasawa, Kei Murakoshi, Hajime Ishihara, and Yasuyuki Tsuboi*J. Phys. Chem. C. Vol. 117, No. 6 (2013 ), pp. 2500-2506. 10.1021/jp306405j “Metallic-Nanostructure-Enhanced Optical Trapping of Flexible Polymer Chains in Aqueous Solution as Revealed by Confocal Fluorescence Microspectroscopy”Mariko Toshimitsu, Yuriko Matsumura, Tatsuya Shoji , Noboru Kitamura, Mai Takase, Kei Murakoshi, Hiroaki Yamauchi, Syoji Ito, Hiroshi Miyasaka, Atsushi Nobuhiro, Yoshihiko Mizumoto, Hajime Ishihara, Yasuyuki Tsuboi J. Phys. Chem. C, Vol. 116, No. 27 (2012 ), pp. 14610-14618. 10.1021/jp305247a “Nano Porous Films Processing of Polymer Films Based on Localized Surface Plasmon Resonance of Au Nanoparticles”Keita Muraoka, Kazushi Yamada, Tatsuya Shoji , Hiroyuki Sugimura, Noboru Kitamura, Yasuyuki Tsuboi J. Laser Micro. Nanoen., Vol. 7, no. 3 (2012), pp. 260-263. 10.2961/jlmn.2012.03.0005 “Phase-Separation Dynamics of Aqueous Poly (N-isopropylacrylamide) Solutions: Characteristic Behavior of the Molecular Weight and Concentration Dependences”Yasuyuki Tsuboi, Takanori Tada, Tatsuya Shoji , Noboru Kitamura Macromol. Chem. Phys., Vol. 213, No. 18 (2012), pp. 1879-1884. 10.1002/macp.201200190 “Plasmon-Based Optical Trapping of Polymer Nano-Spheres as Explored by Confocal Fluorescence Microspectroscopy: A Possible Mechanism of a Resonant Excitation Effect”Tatsuya Shoji ; Mizumoto, Yoshihiko; Ishihara, Hajime; Kitamura, Noboru; Takase, Mai; Murakoshi, Kei; Tsuboi, YasuyukiJpn. J. Appl. Phys., Vol. 51, (2012), 092001. 10.1143/JJAP.51.092001 応用物理学会論文賞（論文奨励賞）受賞 Japanese Journal of Applied Physics誌 Spotlight Paper選出 (2012年9月号) “Acceleration of a photochromic ring-opening reaction of diarylethene derivatives by excitation of localized surface plasmon”Tsuboi, Yasuyuki; Shimizu, Ryosuke; Tatsuya Shoji ; Kitamura, Noboru; Takase, Mai; Murakoshi, Kei J. Photochem. Photobiol., A, Vol. 221, No. 2-3 (2011), pp. 250-255. 10.1016/j.jphotochem.2011.04.016 “Optical trapping of amino acids in aqueous solutions”Tsuboi, Yasuyuki; Tatsuya Shoji ; Kitamura, Noboru J. Phys. Chem. C, Vol. 114, No. 12 (2010), pp. 5589-5593. 10.1021/jp9072334 “Enhancement of 2-Photon Absorption of a Dye in a Polymer Microsphere Based on an Optical Cavity Effect”Tsuboi, Yasuyuki; Shimizu, Ryosuke; Tatsuya Shoji ; Kitamura, Noboru Anal. Sci., Vol. 26, No. 12 (2010), pp. 1241-1245. 10.2116/analsci.26.1241 Analytical Science 誌 Hot Article Award受賞 (2010年12月号) “Optical trapping of quantum dots based on gap-mode-excitation of localized surface plasmon”Tsuboi, Yasuyuki; Tatsuya Shoji ; Kitamura, Noboru; Takase, Mai; Murakoshi, Kei; Mizumoto, Yoshihiko; Ishihara, Hajime J. Phys. Chem. Lett., Vol. 1, No. 15 (2010), pp. 2327-2333. 10.1021/jz100659x “Near-Infrared Continuous-Wave Light Driving a Two-Photon Photochromic Reaction with the Assistance of Localized Surface Plasmon”Tsuboi, Yasuyuki; Shimizu, Ryosuke; Tatsuya Shoji ; Kitamura, Noboru J. Am. Chem. Soc., Vol. 131, No. 35 (2009), pp. 12623-12627. 10.1021/ja9016655 “Optical manipulation of proteins in aqueous solution”Tsuboi, Yasuyuki; Tatsuya Shoji ; Nishino, Masayuki; Masuda, Seiji; Ishimori, Koichiro; Kitamura, Noboru Appl. Surf. Sci., Vol. 255 (2009), No. 24, pp.9906-9908. 10.1016/j.apsusc.2009.04.117 “Preparation of large-scale 2D zeolite crystal array structures to achieve optical functionality”Shuichi Hashimoto, Kazuo Samata, Tatsuya Shoji , Nobuyuki Taira, Takuro Tomita, Shigeki Matsuo Micropor. Mesopor. Mat., Vol. 117, No. 1-2 (2009), 220-227. 10.1016/j.micromeso.2008.06.028 “Crystallization of lysozyme based on molecular assembling by photon pressure”Tsuboi, Yasuyuki; Shoji, Tatsuya ; Kitamura, Noboru J.pn. J. Appl. Phys., Vol. 46, No. 45-49 (2007), L1234-L1236. 10.1143/JJAP.46.L1234