Search Results - "SAKAMOTO, YOSUKE"

Fenton chemistry at aqueous interfaces by Enami, Shinichi, Sakamoto, Yosuke, Colussi, Agustin J.

“…In a fundamental process throughout nature, reduced iron unleashes the oxidative power of hydrogen peroxide into reactive intermediates. However,…”
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OH-Radical Oxidation of Surface-Active cis-Pinonic Acid at the Air–Water Interface by Enami, Shinichi, Sakamoto, Yosuke

“…Gaseous biogenic volatile organic compounds (BVOCs) are immediately oxidized by gaseous oxidants to form BVOC-acids that rapidly condense onto aqueous aerosol…”
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Oligomerization Reaction of the Criegee Intermediate Leads to Secondary Organic Aerosol Formation in Ethylene Ozonolysis by Sakamoto, Yosuke, Inomata, Satoshi, Hirokawa, Jun

“…Ethylene ozonolysis was investigated in laboratory experiments using a Teflon bag reactor. A negative ion chemical ionization mass spectrometer (NI-CIMS) using…”
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On the assumptions behind metacognitive measurements: Implications for theory and practice by Miyoshi, Kiyofumi, Sakamoto, Yosuke, Nishida, Shin'ya

“…Theories of visual confidence have largely been grounded in the gaussian signal detection framework. This framework is so dominant that idiosyncratic…”
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Carboxylate Ion Availability at the Air–Water Interface by Enami, Shinichi, Fujii, Tomihide, Sakamoto, Yosuke, Hama, Tetsuya, Kajii, Yoshizumi

“…Amphiphilic organic compounds at the air–water interface play key roles in the nucleation, growth, and aging process of atmospheric aerosol. Surface-active…”
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Impact of Hydrogen Mixture on Fuel Consumption and Exhaust Gas Emissions in a Truck with Direct-Injection Diesel Engine by Wang, Muxi, Matsugi, Akira, Kondo, Yoshinori, Sakamoto, Yosuke, Kajii, Yoshizumi

“…Hydrogen addition affects the composition of exhaust gases in vehicles. However, the effects of hydrogen addition to compression ignition engines in running…”
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Characteristics of roadside volatile organic compounds in an urban area dominated by gasoline vehicles, a case study in Hanoi by Ly, Bich-Thuy, Kajii, Yoshizumi, Nguyen, Thi-Yen-Lien, Shoji, Koki, Van, Dieu-Anh, Do, Thi-Nhu-Ngoc, Nghiem, Trung-Dung, Sakamoto, Yosuke

“…Volatile organic compounds (VOCs) are important air pollution issues because of their potential health effects, and the contribution to ground ozone and…”
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Reactive Uptake of Gaseous Sesquiterpenes on Aqueous Surfaces by Matsuoka, Kohei, Sakamoto, Yosuke, Hama, Tetsuya, Kajii, Yoshizumi, Enami, Shinichi

“…Sesquiterpenes emitted from biogenic sources play important roles in atmospheric HOx cycles and new particle formation. Current atmospheric models, however,…”
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Rate constants of CH3O2 + NO2 ⇄ CH3O2NO2 and C2H5O2 + NO2 ⇄ C2H5O2NO2 reactions under atmospheric conditions by Kohno, Nanase, Li, Jiaru, Sakamoto, Yosuke, Kajii, Yoshizumi

“…Peroxy (RO2) radicals derived from short‐chain alkanes were detected by an improved technique involving combined fluorescence assay by gas expansion and…”
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Potential Factors Contributing to Ozone Production in AQUAS–Kyoto Campaign in Summer 2020: Natural Source-Related Missing OH Reactivity and Heterogeneous HO2/RO2 Loss by Li, Jiaru, Kohno, Nanase, Sakamoto, Yosuke, Pham, Huy Gia, Murano, Kentaro, Sato, Kei, Nakayama, Tomoki, Kajii, Yoshizumi

“…This study presents total OH reactivity, ancillary trace species, HO2 reactivity, and complex isoprene-derived RO2 reactivity due to ambient aerosols measured…”
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Real-time quantification of the total HO2 reactivity of ambient air and HO2 uptake kinetics onto ambient aerosols in Kyoto (Japan) by Zhou, Jun, Murano, Kentaro, Kohno, Nanase, Sakamoto, Yosuke, Kajii, Yoshizumi

“…HO2 radicals play important roles in tropospheric chemistry. The large discrepancies among field measurements and sophisticated model predictions for the…”
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Characterizing PM_(2.5) in Hanoi with New High Temporal Resolution Sensor by Bich-Thuy Ly, Yutaka Matsumi, Tomoki Nakayama, Yosuke Sakamoto, Yoshizumi Kajii, Trung-Dung Nghiem

“…A year-long observation of PM_(2.5) concentrations was conducted in Hanoi from July 2016 to June 2017 using newly developed highly sensitive sensors. The…”
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Personal Exposure to Fine Particles (PM 2.5 ) in Northwest Africa: Case of the Urban City of Bamako in Mali by Sidibe, Alimata, Sakamoto, Yosuke, Murano, Kentaro, Koita, Ousmane A, Traore, Ibrahim, Dansoko, Yacouba, Kajii, Yoshizumi

“…Personal exposure to particulate matter (PM) from anthropogenic activities is a major concern in African countries, including Mali. However, knowledge of…”
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Impacts of missing OH reactivity and aerosol uptake of HO2 radicals on tropospheric O3 production during the AQUAS-Kyoto summer campaign in 2018 by Kohno, Nanase, Zhou, Jun, Li, Jiaru, Takemura, Marina, Ono, Natsuki, Sadanaga, Yasuhiro, Nakashima, Yoshihiro, Sato, Kei, Kato, Shungo, Sakamoto, Yosuke, Kajii, Yoshizumi

“…Gaining quantitative information about the HOx cycle involved in ozone (O3) production is important for reduction of tropospheric O3. In this study, we…”
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Overexpression of CDCA2 in human squamous cell carcinoma: correlation with prevention of G1 phase arrest and apoptosis by Uchida, Fumihiko, Uzawa, Katsuhiro, Kasamatsu, Atsushi, Takatori, Hiroaki, Sakamoto, Yosuke, Ogawara, Katsunori, Shiiba, Masashi, Bukawa, Hiroki, Tanzawa, Hideki

“…Cell division cycle associated 2 (CDCA2) recruits protein phosphatase 1 to chromatin to antagonize activation of ataxia telangiectasia mutated (ATM)-dependent…”
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Kinetics Study of OH Uptake onto Deliquesced NaCl Particles by Combining Laser Photolysis and Laser-Induced Fluorescence by Sakamoto, Yosuke, Zhou, Jun, Kohno, Nanase, Nakagawa, Maho, Hirokawa, Jun, Kajii, Yoshizumi

“…Despite the role of hydroxyl radical (OH) uptake onto sea-salt particles as a daytime chlorine source, affecting the chemical processes in the marine boundary…”
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Investigation of HO2 uptake mechanisms onto multiple-component ambient aerosols collected in summer and winter time in Yokohama, Japan by Zhou, Jun, Fukusaki, Yukiko, Murano, Kentaro, Gautam, Tania, Bai, Yu, Inomata, Yoshimi, Komatsu, Hiroaki, Takeda, Mayuko, Yuan, Bin, Shao, Min, Sakamoto, Yosuke, Kajii, Yoshizumi

“…•We developed an offline method to measure HO2 uptake kinetics onto ambient aerosols.•γHO2 is strongly RH and pH dependent and inversely correlated with…”
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Analysis of secondary organic aerosols from ozonolysis of isoprene by proton transfer reaction mass spectrometry by Inomata, Satoshi, Sato, Kei, Hirokawa, Jun, Sakamoto, Yosuke, Tanimoto, Hiroshi, Okumura, Motonori, Tohno, Susumu, Imamura, Takashi

“…To understand the mechanism of formation of the secondary organic aerosols (SOAs) produced by the ozonolysis of isoprene, proton transfer reaction mass…”
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FBLIM1 enhances oral cancer malignancy via modulation of the epidermal growth factor receptor pathway by Toeda, Yuriko, Kasamatsu, Atsushi, Koike, Kazuyuki, Endo‐Sakamoto, Yosuke, Fushimi, Kazuaki, Kasama, Hiroki, Yamano, Yukio, Shiiba, Masashi, Tanzawa, Hideki, Uzawa, Katsuhiro

“…Filamin‐binding LIM protein 1 (FBLIM1) is related to regulation of inflammatory responses, such as chronic recurrent multifocal osteomyelitis; however, the…”
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Dermatopontin: A potential predictor for metastasis of human oral cancer by Yamatoji, Masanobu, Kasamatsu, Atsushi, Kouzu, Yukinao, Koike, Hirofumi, Sakamoto, Yosuke, Ogawara, Katsunori, Shiiba, Masashi, Tanzawa, Hideki, Uzawa, Katsuhiro

“…Dermatopontin (DPT), a component of the extracellular matrix (ECM), is involved in promotion of cellular adhesion and ECM assembly activities. However, the…”
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