Search Results - "Kawashima, Hiroto"

Stable Carbon Isotope Ratio of Volatile Organic Compounds in Air Using Solid-Phase Microextraction Coupled with Chromatography, Combustion, and Isotope Ratio Mass Spectrometry by Kawashima, Hiroto

“…The isotopic analysis of atmospheric volatile organic compounds (VOCs), and in particular their carbon isotope ratio (δ 13 C), has the potential to be an…”
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Seasonal trends of the stable nitrogen isotope ratio in particulate nitrogen compounds and their gaseous precursors in Akita, Japan by Kawashima, Hiroto

“…Particulate matter (PM) can have adverse effects on human health. Moreover, because the mechanisms of PM formation and behavior in the atmosphere are notably…”
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Roles of the Gel-Forming MUC2 Mucin and Its O-Glycosylation in the Protection against Colitis and Colorectal Cancer by Kawashima, Hiroto

“…MUC2 is the major gel-forming colonic mucin that forms the two mucus layers. Recent studies using gene-targeted mice have revealed the physiological functions…”
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Discrimination for sake brewing methods by compound specific isotope analysis and formation mechanism of organic acids in sake by Suto, Momoka, Kawashima, Hiroto

“…•δ13C for malic, lactic, and succinic acid were determined in 49 sake samples.•It possible to use the δ13C to distinguish between kimoto and sokujo method.•The…”
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Nitrogen Isotope Fractionation from Ammonia Gas to Ammonium in Particulate Ammonium Chloride by Kawashima, Hiroto, Ono, Sae

“…The nitrogen stable isotope ratios of NH3 gas (δ15N-NH3(g)) and particulate NH4 + (δ15N-NH4 + (p)) have been used to determine the sources and elucidate the…”
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Carbon isotope ratio of organic acids in sake and wine by solid-phase extraction combined with LC/IRMS by Suto, Momoka, Kawashima, Hiroto

“…We developed an analytical procedure for determining the δ 13 C values of organic acids in sake and wine using solid-phase extraction combined with liquid…”
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Determination of Organic Acids in Honey by Liquid Chromatography with Tandem Mass Spectrometry by Suto, Momoka, Kawashima, Hiroto, Nakamura, Yasunori

“…Organic acids in honeys are currently quantified by enzymatic, capillary zone electrophoresis, and chromatographic methods; however, these methods have long…”
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Long-Term Source Apportionment of Ammonium in PM2.5 at a Suburban and a Rural Site Using Stable Nitrogen Isotopes by Kawashima, Hiroto, Yoshida, Otoha, Suto, Nana

“…Ammonia gas (NH3) is an important alkaline air pollutant and a precursor to particulate matter, and its source has been thought to be agricultural, but in…”
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Measurement report: Source characteristics of water-soluble organic carbon in PM 2.5 at two sites in Japan, as assessed by long-term observation and stable carbon isotope ratio by Suto, Nana, Kawashima, Hiroto

“…The sources and seasonal trends of water-soluble organic carbon (WSOC) in carbonaceous aerosols are of significant interest. From July 2017 to July 2019, we…”
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Stable carbon isotope ratios for organic acids in commercial honey samples by Kawashima, Hiroto, Suto, Momoka, Suto, Nana

“…•EA/IRMS and LC/IRMS indicated that 39 of 116 honey samples were adulterated.•Organic acid δ13C values for the samples ranged from −33.6 to −26.5‰ (mean,…”
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The Measurement of Stable Carbon Isotope Ratios of Eight Methamidophos Samples by Kawashima, Hiroto

“…Between December 2007 and January 2008, people suffered from food poisoning in the Japanese prefectures of Chiba and Hyogo after eating frozen dumplings…”
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Compound Specific Carbon Isotope Analysis in Sake by LC/IRMS and Brewers’ Alcohol Proportion by Suto, Momoka, Kawashima, Hiroto

“…Sake is a traditional Japanese alcohol. Nowadays, the consumption for Sake is increasing in worldwide and its popularity is growing. However, there are act of…”
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Laboratory-based validation of a passive sampler for determination of the nitrogen stable isotope ratio of ammonia gas by Kawashima, Hiroto, Ogata, Raiki, Gunji, Takumi

“…Nitrogen stable isotope ratio (δ15N) analysis of ammonia gas (NH3) by using a passive sampler is expected to be useful for determining sources of NH3 and for…”
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Inorganic ion and nitrogen isotopic compositions of atmospheric aerosols at Yurihonjo, Japan: Implications for nitrogen sources by Kawashima, Hiroto, Kurahashi, Takahiro

“…We studied the suspended particulate matter (SPM) collected in Akita Prefecture, Japan from April 2008 to January 2009 for inorganic ion composition and…”
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A molecular map of murine lymph node blood vascular endothelium at single cell resolution by Brulois, Kevin, Rajaraman, Anusha, Szade, Agata, Nordling, Sofia, Bogoslowski, Ania, Dermadi, Denis, Rahman, Milladur, Kiefel, Helena, O’Hara, Edward, Koning, Jasper J., Kawashima, Hiroto, Zhou, Bin, Vestweber, Dietmar, Red-Horse, Kristy, Mebius, Reina E., Adams, Ralf H., Kubes, Paul, Pan, Junliang, Butcher, Eugene C.

“…Blood vascular endothelial cells (BECs) control the immune response by regulating blood flow and immune cell recruitment in lymphoid tissues. However, the…”
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Experimental Demonstration of Peak Wavelength Measurement of Multiplexing Fiber Bragg Gratings Using Convolutional Neural Network by Yamaguchi, Tatsuya, Kawashima, Hiroto, Matsuda, Hiroki, Shinoda, Yukitaka

“…We propose a peak detection method for measuring fiber Bragg gratings (FBGs) using convolutional neural network (CNN) to improve the performances of wavelength…”
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Forced Expression of CXCL10 Prevents Liver Metastasis of Colon Carcinoma Cells by the Recruitment of Natural Killer Cells by Kikuchi, Norihito, Ye, Jiabin, Hirakawa, Jotaro, Kawashima, Hiroto

“…CXC chemokine ligand 10 (CXCL10) is a CXC chemokine family protein that transmits signals by binding to its specific receptor, CXCR3. CXCL10 is also known as…”
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Autophagy Protects against Colitis by the Maintenance of Normal Gut Microflora and Secretion of Mucus by Tsuboi, Koichiro, Nishitani, Mayo, Takakura, Atsushi, Imai, Yasuyuki, Komatsu, Masaaki, Kawashima, Hiroto

“…Genome-wide association studies of inflammatory bowel diseases identified susceptible loci containing an autophagy-related gene. However, the role of autophagy…”
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Online wet oxidation/isotope ratio mass spectrometry method for determination of stable carbon isotope ratios of water‐soluble organic carbon in particulate matter by Suto, Nana, Kawashima, Hiroto

“…Rationale Water‐soluble organic carbon (WSOC) is formed by oxidation of organic compounds in particulate matter (PM) and accounts for 25–80% of the organic…”
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A novel monoclonal antibody against 6-sulfo sialyl Lewis x glycans attenuates murine allergic rhinitis by suppressing Th2 immune responses by Liu, Wei, Xiong, Wei, Liu, Wenxin, Hirakawa, Jotaro, Kawashima, Hiroto

“…Lymphocyte homing is mediated by the interaction between L-selectin on lymphocytes and its glycoprotein ligands modified with 6-sulfo sialyl Lewis x (6-sulfo…”
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