Mechanisms of Suppression and Enhancement of Photocurrent/Conversion Efficiency in Dye-Sensitized Solar-Cells Using Carotenoid and Chlorophyll Derivatives as Sensitizers

by Yasushi Koyama, Hiroyoshi Nagae, Yoshinori Kakitani
Published 2012-02-01

A Case of Acute Budd-Chiari Syndrome Complicating Primary Antiphospholipid Syndrome Presenting as Acute Abdomen and Responding to Tight Anticoagulant Therapy

by Naofumi Chinen, Yasushi Koyama, Shinji Sato, Yasuo Suzuki
Published 2016-01-01

Dye-Sensitized Solar Cells Based on the Principles and Materials of Photosynthesis: Mechanisms of Suppression and Enhancement of Photocurrent and Conversion Efficiency

by Hiroyoshi Nagae, Takeshi Miki, Xiao-Feng Wang, Yasushi Koyama
Published 2009-10-01

Excited-State Dynamics of Overlapped Optically-Allowed 1Bu+ and Optically-Forbidden 1Bu- or 3Ag- Vibronic Levels of Carotenoids: Possible Roles in the Light-Harvesting Function

by Rebecca Christiana, Takeshi Miki, Yoshinori Kakitani, Yasushi Koyama, Hiroyoshi Nagae
Published 2010-04-01

Diagnostic Performance of First-Pass Myocardial Perfusion Imaging without Stress with Computed Tomography (CT) Compared with Coronary CT Angiography Alone, with Fractional Flow Res...

by Kazuhiro Osawa, Toru Miyoshi, Takashi Miki, Yasushi Koyama, Shuhei Sato, Susumu Kanazawa, Hiroshi Ito
Published 2016-01-01

Nonalcoholic Hepatic Steatosis Is a Strong Predictor of High-Risk Coronary-Artery Plaques as Determined by Multidetector CT.

by Kazuhiro Osawa, Toru Miyoshi, Kentarou Yamauchi, Yasushi Koyama, Kazufumi Nakamura, Shuhei Sato, Susumu Kanazawa, Hiroshi Ito
Published 2015-01-01

A Case of Dermatomyositis and Anti-EJ Autoantibody with Chronic Intestinal Pseudoobstruction Successfully Treated with Octreotide

by Chiho Yamada, Shinji Sato, Noriko Sasaki, Takayoshi Kurabayashi, Sho Sasaki, Yasushi Koyama, Naofumi Chinen, Takayuki Wakabayashi, Yasuo Suzuki
Published 2016-01-01

Discontinuation of anti-arrhythmic drugs in patients receiving hybrid therapy consisting of catheter ablation and bepridil for persistent atrial fibrillation

by Koichi Inoue, Toshiya Kurotobi, Hiroshi Ito, Ryusuke Kimura, Yuko Toyoshima, Norihisa Itoh, Yoshiharu Higuchi, Motoo Date, Yasushi Koyama, Katsuomi Iwakura, Kenshi Fujii
Published 2012-06-01

Early recurrence during the blanking period and left atrial reverse remodeling after catheter ablation for non-paroxysmal atrial fibrillation

by Takafumi Oka, Yasushi Koyama, Koji Tanaka, Yuko Hirao, Nobuaki Tanaka, Masato Okada, Issei Yoshimoto, Ryo Kitagaki, Atsunori Okamura, Katsuomi Iwakura, Yasushi Sakata, Kenshi Fujii, Koichi Inoue
Published 2020-10-01

Eicosapentaenoic acid prevents arterial calcification in klotho mutant mice.

by Kazufumi Nakamura, Daiji Miura, Yukihiro Saito, Kei Yunoki, Yasushi Koyama, Minoru Satoh, Megumi Kondo, Kazuhiro Osawa, Omer F Hatipoglu, Toru Miyoshi, Masashi Yoshida, Hiroshi Morita, Hiroshi Ito
Published 2017-01-01

Calcified Nodules in the Superficial Femoral Artery Confirmed by Intravascular Ultrasound, Angioscopy, and Histology

by Kota Tanaka, MD, Hiroyuki Nagai, MD, Atsunori Okamura, MD, Mutsumi Iwamoto, MD, Satoshi Watanabe, MD, Akinori Sumiyoshi, MD, Satoshi Suzuki, MD, Hirokazu Tanaka, MD, Koichi Inoue, MD, Yasushi Koyama, MD, Katsuomi Iwakura, MD, Kenshi Fujii, MD
Published 2020-10-01