How Does Thermophoresis Deepen the Trapping Potential of Optical Tweezers? — A Quantitative Analysis Using Brownian Dynamics Simulations, Koki Ide ,Tetsuro Tsuji ,Takayuki Suzuki, Syoji Ito, Kenji Setoura*,  ChemRxiv, 2025, DOI: 10.26434/chemrxiv-2025-7799s (The BDS script for optothermal manipulation is freely available on ChemRxiv.)

Brownian Dynamics Simulation of Microscale Thermophoresis in Liquid, Koki Ide ,Tetsuro Tsuji ,Takayuki Suzuki, Kenji Setoura*, ACS Omega, 2025, 10, 5, 4526–4533. DOI: 10.1021/acsomega.4c08170 [The COMSOL file (.mph) and the Python code for thermophoresis can be downloaded from the "Linked data" tab on Researchgate.]

Switching Nanoscale Temperature Fields with High-Order Plasmonic Modes in Transition Metal Nanorods, Kenji Setoura*, Mamoru Tamura, Tomoya Oshikiri, Takuya Iida, RSC Advances, 13, (2023), 34489-34496. DOI: 10.1039/D3RA06649E

Fluctuation-mediated orbital rotation of microparticles in non-coaxially counter-propagating optical tweezers, Kenji Setoura, Takayasu Kakimoto, Hiroshi Miyasaka, Syoji Ito, Photochem. & Photobiol. Sci., 22, (2023), 2519-2526. DOI: 10.1007/s43630-023-00465-7

Plasmonic Nanoscale Temperature Shaping on a Single Titanium Nitride Nanostructure, Mamoru Tamura, Takuya Iida, Kenji Setoura*, Nanoscale, 14, (2022), 12589-12594. DOI: 10.1039/D2NR02442J, Preprint, Journal Cover!

Optical manipulation in conjunction with photochemical/photothermal responses of materials, Kenji Setoura*, Syoji Ito*, J. Photochem. Photobiol. C: Photochem. Rev., 52 (2022), 100536. DOI: 10.1016/j.jphotochemrev.2022.100536, Preprint.

Quantifying the durability of transition metal nitrides in thermoplasmonics at the single-nanoparticle level, Kenji Setoura*, Syoji Ito, AIP Advances, 11 (2021), 115027. DOI: 10.1063/5.0074139

Opto-thermophoretic separation and trapping of plasmonic nanoparticles, Kenji Setoura*, Tetsuro Tsuji, Syoji Ito*, Satoyuki Kawano, Hiroshi Miyasaka, Nanoscale, 11 (2019), 21093-21102. DOI: 10.1039/C9NR05052C, Preprint, Inside Front Cover!

Single-particle photoluminescence from cadmium selenide quantum dots fabricated via laser ablation in superfluid helium, Yosuke Minowa, Tatsuro Suzuki, Kenji Setoura, Syoji Ito, Hiroshi Miyasaka, Masaaki Ashida, J. Nanophoton., 13 (2018), 012506. DOI: 10.1117/1.JNP.13.012506

Temperature elevation and fluid convection under optical trapping condition as revealed by fluorescence correlation spectroscopy, Kenji Setoura, Keisuke Fujita, Syoji Ito, Hiroshi Miyasaka, J. Nanophoton., 13 (2018), 012504. DOI: 10.1117/1.JNP.13.012504

Switching of Radiation Force on Optically Trapped Microparticles through Photochromic Reactions of Pyranoquinazoline Derivatives, Kenji Setoura, Ahsan M Memon, Syoji Ito, Yuki Inagaki, Katsuya Mutoh, Jiro Abe, Hiroshi Miyasaka, J. Phys. Chem. C, 122 (2018), 22033-22040. DOI: 10.1021/acs.jpcc.8b03420, ACS editor's choice and Cover art!

Mesoscopic Motion of Optically Trapped Particle Synchronized with Photochromic Reactions of Diarylethene Derivatives, Syoji Ito, Morio Mitsuishi, Kenji Setoura, Mamoru Tamura, Takuya Iida, Masakazu Morimoto, Masahiro Irie, Hiroshi Miyasaka, J. Phys. Chem. Lett., 9 (2018), 2659-2664. DOI: 10.1021/acs.jpclett.8b00890

金属ナノ粒子の光熱変換と応用, 瀬戸浦 健仁, 伊都 将司, 宮坂 博, 分光研究, 67 (2018), 206-216.

Fabrication of silver nanoparticles from silver salt aqueous solution at water-glass interface by visible CW laser irradiation without reducing reagents, Kenji Setoura, Syoji Ito, Masaya Yamada, Hiroaki Yamauchi, Hiroshi Miyasaka, J. Photochem. Photobiol. A, 344 (2017), 168-177. DOI: 10.1016/j.jphotochem.2017.05.002

Plasmonic Control and Stabilization of Asymmetric Light Scattering from Ag Nanocubes on TiO2, Koichiro Saito, Kenji Setoura, Syoji Ito, Hiroshi Miyasaka, Yoshitaka Mitsuda, Tetsu Tatsuma, ACS Appl. Mater. Interfaces, 9 (2017), 11064-11072. DOI: 10.1021/acsami.7b01457

Stationary bubble formation and Marangoni convection induced by CW laser heating of a single gold nanoparticle, Kenji Setoura, Syoji Ito, Hiroshi Miyasaka, Nanoscale, 9 (2017), 719-730. DOI: 10.1039/C6NR07990C

Stepwise two-photon-induced fast photoswitching via electron transfer in higher excited states of photochromic imidazole dimer, Yoichi Kobayashi, Tetsuro Katayama, Takuya Yamane, Kenji Setoura, Syoji Ito, Hiroshi Miyasaka, Jiro Abe, J. Am. Chem. Soc., 138 (2016), 5930-5938. DOI: 10.1021/jacs.6b01470

Laser-driven phase transitions in aqueous colloidal gold nanoparticles under high pressure: picosecond pump-probe study, Shuichi Hashimoto, Tetsuro Katayama, Kenji Setoura, Michael Strasser, Takayuki Uwada, Hiroshi Miyasaka, Phys. Chem. Chem. Phys., 18 (2016), 4994-5004. DOI: 10.1039/C5CP07395B

Computational modeling of pulsed laser-induced heating and evaporation of gold nanoparticles, Michael Strasser, Kenji Setoura, Uwe Langbein, Shuichi Hashimoto, J. Phys. Chem. C, 118 (2014), 25748-25755. DOI: 10.1021/jp508316v

Picosecond-to-nanosecond dynamics of plasmonic nanobubbles from pump?probe spectral measurements of aqueous colloidal gold nanoparticles, Tetsuro Katayama, Kenji Setoura, Daniel Werner, Hiroshi Miyasaka, Shuichi Hashimoto, Langmuir, 30 (2014), 9504-9513. DOI: 10.1021/la500663x

CW-laser-induced morphological changes of a single gold nanoparticle on glass: observation of surface evaporation, Kenji Setoura, Yudai Okada, Shuichi Hashimoto, Phys. Chem. Chem. Phys., 16 (2014), 26938-26945. DOI: 10.1039/C4CP03733B

金ナノ粒子とレーザーの相互作用による光熱効果, 橋本 修一, 瀬戸浦 健仁, 光化学, 45 (2014), 9-16

Observation of nanoscale cooling effects by substrates and the surrounding media for single gold nanoparticles under CW-laser illumination, Kenji Setoura, Yudai Okada, Daniel Werner, Shuichi Hashimoto, ACS Nano, 7 (2013), 7874-7885. DOI: 10.1021/nn402863s

Optical scattering spectral thermometry and refractometry of a single gold nanoparticle under CW laser excitation, Kenji Setoura, Daniel Werner, Shuichi Hashimoto, J. Phys. Chem. C, 116 (2012), 15458-15466. DOI: 10.1021/jp304271d