Niioka Hirohiko

J-GLOBAL         Last updated: Aug 15, 2017 at 20:22
 
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Name
Niioka Hirohiko
Affiliation
Osaka University
Section
Graduate School of Engineering Science

Published Papers

 
Doan Thi Kim Dung, Shoichiro Fukushima, Taichi Furukawa, Hirohiko Niioka, Takumi Sannomiya, Kaori Kobayashi, Hiroshi Yukawa, Hiroshi Yukawa, Yoshinobu Baba, Yoshinobu Baba, Yoshinobu Baba, Mamoru Hashimoto, Jun Miyake
Nanomaterials   6    Sep 2016
© 2016 by the authors; licensee MDPI, Basel, Switzerland.Comprehensive imaging of a biological individual can be achieved by utilizing the variation in spatial resolution, the scale of cathodoluminescence (CL), and near-infrared (NIR), as favored ...
S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, M. Ichimiya, T. Sannomiya, N. Tanaka, D. Onoshima, D. Onoshima, H. Yukawa, H. Yukawa, Y. Baba, Y. Baba, Y. Baba, Y. Baba, M. Ashida, J. Miyake, T. Araki, M. Hashimoto
Scientific Reports   6    May 2016
This paper presents a new correlative bioimaging technique using Y2O3:Tm, Yb and Y2O3:Er, Yb nanophosphors (NPs) as imaging probes that emit luminescence excited by both near-infrared (NIR) light and an electron beam. Under 980 nm NIR light irradi...
Shoichiro Fukushima, Taichi Furukawa, Hirohiko Niioka, Masayoshi Ichimiya, Masayoshi Ichimiya, Takumi Sannomiya, Jun Miyake, Masaaki Ashida, Tsutomu Araki, Mamoru Hashimoto
Optical Materials Express   6 831-843   Mar 2016
© 2016 Optical Society of America.Yttrium oxide-based nanophosphors that emit both upconversion luminescence (UPL) and cathodoluminescence (CL) were synthesized by a precipitation method using excessive urea. Precursors of Y2O3 nanophosphors were ...
Hirohiko Niioka, Jumpei Yamasaki, Doan Thi Kim Dung, Jun Miyake
Chemistry Letters   45 1406-1408   Jan 2016
© 2016 The Chemical Society of Japan.Bioimaging probes, which can emit near-infrared (NIR) light and are excitable with NIR light, are promising for deep tissue imaging in vivo. Lanthanide-doped phosphors, such as Y2O3:Tm,Yb; Y2O3:Ho,Yb; and Y2O3:...
Taichi Furukawa, Shoichiro Fukushima, Hirohiko Niioka, Naoki Yamamoto, Jun Miyake, Tsutomu Araki, Mamoru Hashimoto
Journal of Biomedical Optics   20    May 2015
© 2015 Society of Photo-Optical Instrumentation Engineers.We describe rare-earth-doped nanophosphors (RE-NPs) for biological imaging using cathodoluminescence (CL) microscopy based on scanning transmission electron microscopy (STEM). We report the...

Misc

 
Mamoru Hashimoto, Hiroto Kanoh, Hirohiko Niioka, Tsutomu Araki
Progress in Biomedical Optics and Imaging - Proceedings of SPIE   8948    Jan 2014
Coherent Raman scattering provides chemical imaging by using molecular vibrational information sensitive to molecular structure. To add another information of martial symmetry, we propose using fourth order coherent Raman scattering for imaging, b...
Chikako Ninagawa, Hirohiko Niioka, Tsutomu Araki, Mamoru Hashimoto
JSAP-OSA Joint Symposia, JSAP 2014      Jan 2014
Doan T. Kim Dung, Shoichiro Fukushima, Hirohiko Niioka, Masayoshi Ichimiya, Masayoshi Ichimiya, Masaaki Ashida, Tsutomu Araki, Mamoru Hashimoto, Jun Miyake
JSAP-OSA Joint Symposia, JSAP 2014      Jan 2014
Shoichiro Fukushima, Hirohiko Niioka, Masayoshi Ichimiya, Masayoshi Ichimiya, Jun Miyake, Masaaki Ashida, Tsutomu Araki, Mamoru Hashimoto
JSAP-OSA Joint Symposia, JSAP 2014      Jan 2014
S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, M. Ichimiya, T. Nagata, J. Miyake, M. Ashida, T. Araki, M. Hashimoto
Optics InfoBase Conference Papers      Dec 2013

Research Grants & Projects

 
Kayamori Foundation of Informational Science Advancement: 
Project Year: Jan 2017 - Dec 2018    Investigator(s): Niioka Hirohiko