Search Results - "MATSUMOTO, Yoshiyasu"

Conformational Planarization versus Singlet Fission: Distinct Excited‐State Dynamics of Cyclooctatetraene‐Fused Acene Dimers by Yamakado, Takuya, Takahashi, Shota, Watanabe, Kazuya, Matsumoto, Yoshiyasu, Osuka, Atsuhiro, Saito, Shohei

“…A set of flapping acene dimers fused with an 8π cyclooctatetraene (COT) ring showed distinct excited‐state dynamics in solution. While the anthracene dimer…”
Get full text

Water-Assisted Hole Trapping at the Highly Curved Surface of Nano-TiO2 Photocatalyst by Shirai, Kenji, Fazio, Gianluca, Sugimoto, Toshiki, Selli, Daniele, Ferraro, Lorenzo, Watanabe, Kazuya, Haruta, Mitsutaka, Ohtani, Bunsho, Kurata, Hiroki, Di Valentin, Cristiana, Matsumoto, Yoshiyasu

“…Heterogeneous photocatalysis is vital in solving energy and environmental issues that this society is confronted with. Although photocatalysts are often…”
Get full text

Effect of Water Adsorption on Carrier Trapping Dynamics at the Surface of Anatase TiO2 Nanoparticles by Shirai, Kenji, Sugimoto, Toshiki, Watanabe, Kazuya, Haruta, Mitsutaka, Kurata, Hiroki, Matsumoto, Yoshiyasu

“…Charge carrier trapping plays a vital role in heterogeneous photocatalytic water splitting because it strongly affects the dynamics of photogenerated charges…”
Get full text

Direct Experimental Evidence for Markedly Enhanced Surface Proton Activity Inherent to Water Ice by Kato, Fumiaki, Sugimoto, Toshiki, Matsumoto, Yoshiyasu

“…Autoionization and subsequent proton transfer processes determine the proton activity inherent to water molecular systems. In this study, we provide direct…”
Get full text

Electron–Phonon Coupling Dynamics at Oxygen Evolution Sites of Visible-Light-Driven Photocatalyst: Bismuth Vanadate by Aiga, Norihiro, Jia, Qingxin, Watanabe, Kazuya, Kudo, Akihiko, Sugimoto, Toshiki, Matsumoto, Yoshiyasu

“…Bismuth vanadate (BiVO4) is an effective visible-light-driven photocatalyst for oxygen evolution from water. To understand the mechanism of photocatalytic…”
Get full text

Enhancement of the Exciton Coherence Size in Organic Semiconductor by Alkyl Chain Substitution by Tanaka, Shunsuke, Miyata, Kiyoshi, Sugimoto, Toshiki, Watanabe, Kazuya, Uemura, Takafumi, Takeya, Jun, Matsumoto, Yoshiyasu

“…Photophysical properties of molecular aggregates are largely determined by exciton coherence size: a spatial extension of exciton delocalization. Increase in…”
Get full text

Coherent Vibrations of Adsorbates Induced by Femtosecond Laser Excitation by Matsumoto, Yoshiyasu, Watanabe, Kazuya

“…Vibrational relaxation at surfaces, including population decay and pure dephasing of vibrational models, has been extensively studied experimentally and…”
Get full text

Primary Central Nervous System Lymphoma Presenting as Growing Intracerebral Hemorrhage by Matsumoto, Yoshiyasu, Kashimura, Hiroshi, Aso, Kenta, Saura, Hiroaki, Osakabe, Mitsumasa, Kurose, Akira

“…Hemorrhage at presentation in primary central nervous system (CNS) lymphoma is rare. We encountered a case of primary CNS lymphoma presenting as a growing…”
Get full text

Emergent high-Tc ferroelectric ordering of strongly correlated and frustrated protons in a heteroepitaxial ice film by Sugimoto, Toshiki, Aiga, Norihiro, Otsuki, Yuji, Watanabe, Kazuya, Matsumoto, Yoshiyasu

“…Materials containing strong correlation and frustration have the potential to respond to external perturbations in an unusual way. In the case of common water…”
Get full text

Applications of Time-Domain Spectroscopy to Electron-Phonon Coupling Dynamics at Surfaces by Matsumoto, Yoshiyasu

“…Photochemistry is one of the most important branches in chemistry to promote and control chemical reactions. In particular, there has been growing interest in…”
Get full text

Surface-Mediated Visible-Light Photo-oxidation on Pure TiO2(001) by Ariga, Hiroko, Taniike, Toshiaki, Morikawa, Harumo, Tada, Mizuki, Min, Byoung Koun, Watanabe, Kazuya, Matsumoto, Yoshiyasu, Ikeda, Susumu, Saiki, Koichiro, Iwasawa, Yasuhiro

“…We used STM to observe visible light photo-oxidation reactions of formic acid on the ordered lattice-work structure of a TiO2(001) surface for the first time…”
Get full text

Endovascular treatment of anastomotic duplicated middle cerebral artery aneurysm: Report of two cases by Matsumoto, Yoshiyasu, Akamatsu, Yosuke, Kojima, Daigo, Fujimoto, Kentaro, Sato, Shinpei, Yanagihara, Wataru, Kashimura, Hiroshi, Kubo, Yoshitaka, Ogasawara, Kuniaki

“…Anastomotic duplicated middle cerebral artery (MCA) is rare arterial variant. We present two cases of intracranial aneurysm arising from an anastomotic…”
Get full text

Successful carotid stenting of a carotid arterial dissection after straightening the tortuosity using an inflated balloon guiding catheter and the delivery wire of an anchored stent retriever by Yoshida, Koji, Akamatsu, Yosuke, Matsumoto, Yoshiyasu, Ogasawara, Yasushi, Misaki, Toshinari, Konno, Hiromu, Ogasawara, Kuniaki

“…The authors present a patient with carotid dissection in a tortuous arterial segment who successfully underwent carotid artery stenting (CAS) by straightening…”
Get full text

Photochemistry and Photo-Induced Ultrafast Dynamics at Metal Surfaces by Matsumoto, Yoshiyasu

“…This account describes excitation mechanisms and ultrafast nuclear dynamics at metal surfaces induced upon photon irradiation. After reviewing possible…”
Get full text

Surgical treatment of metastatic brain tumor from gastric cancer during therapy with nivolumab: A case report by Matsumoto, Yoshiyasu, Sasaki, Takuto, Kondou, Yuki, Oshida, Sotaro, Suzuki, Taro, Nakamura, Yasuyuki, Kudara, Norihiko, Akamatsu, Yosuke, Sato, Yuichi

“…•Nivolumab is a new immunological checkpoint inhibitor, and was approved for use against advanced gastric cancer.•The efficacy of nivolumab against metastatic…”
Get full text

Adsorbate-Localized versus Substrate-Mediated Excitation Mechanisms for Generation of Coherent Cs–Cu Stretching Vibration at Cu(111) by Watanabe, Kazuya, Matsumoto, Yoshiyasu, Yasuike, Tomokazu, Nobusada, Katsuyuki

“…Coherent Cs–Cu stretching vibration at a Cu(111) surface covered with a full monolayer of Cs is observed by using time-resolved second harmonic generation…”
Get full text

Interdural dissection for superficial Sylvian vein tightly adhering to dura mater: Technical case report by Shimada, Yasuyoshi, Akamatsu, Yosuke, Matsumoto, Yoshiyasu, Ogasawara, Yasushi, Aso, Kenta, Igarashi, Suguru, Kashimura, Hiroshi

“…Dissection of the superficial Sylvian vein is a key step to achieve a wide surgical corridor without interfering with normal venous flow, but can be hampered…”
Get full text

Utility of fenestrated straight clips in microsurgical clip reconstruction of an atherosclerotic middle cerebral artery aneurysm extensively involving two efferent arteries: Technical case report by Matsumoto, Yoshiyasu, Akamatsu, Yosuke, Shimada, Yasuyoshi, Ogasawara, Yasushi, Aso, Kenta, Kashimura, Hiroshi

“…•Clipping of an atherosclerotic MCA aneurysm may have led to a remnant neck.•A fenestrated clip can be placed closer to the neck than a nonfenestrated clip.•A…”
Get full text

Cerebral Hyperperfusion after Revascularization Inhibits Development of Cerebral Ischemic Lesions Due to Artery-to-Artery Emboli during Carotid Exposure in Endarterectomy for Patients with Preoperative Cerebral Hemodynamic Insufficiency: Revisiting the "Impaired Clearance of Emboli" Concept by Fujimoto, Kentaro, Matsumoto, Yoshiyasu, Oikawa, Kohki, Nomura, Jun-Ichi, Shimada, Yasuyoshi, Fujiwara, Shunrou, Terasaki, Kazunori, Kobayashi, Masakazu, Yoshida, Kenji, Ogasawara, Kuniaki

“…The purpose of the present study was to determine whether cerebral hyperperfusion after revascularization inhibits development of cerebral ischemic lesions due…”
Get full text

A case of paroxysmal homonymous hemianopsia: Uncommon presentation of nonconvulsive status epilepticus by Matsumoto, Yoshiyasu, Akamatsu, Yosuke, Ogasawara, Yasushi, Aso, Kenta, Oshida, Sotaro, Kashimura, Hiroshi

“…Paroxysmal homonymous hemianopsia (HH) is uncommon presentation of epilepsy. We demonstrate a rare case of paroxysmal HH that was diagnosed by magnetic…”
Get full text