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S Furukawa

Sachiko Iizuka-Furukawa, Atsuko Isogai, Kazutaka Kusaka, Tsutomu Fujii, Yoshinori Wakai
The grassy characteristic aroma perceived in brewed sake made from low-glutelin rice (Oryza sativa L. Mizuhonoka) was examined by gas chromatography-olfactometry and gas chromatography-mass spectrometry. By comparing the odor properties and Kovats retention indices to those of standard compounds, 4-mercapto-4-methylpentan-2-one (4MMP) was found to contribute to the characteristic aroma. Sake brewing using Mizuhonoka, low-glutelin rice, and Gin-ohmi (a control) revealed that 4MMP concentrations in Mizuhonoka sake samples were higher than those in Gin-ohmi samples over the fermentation period...
October 20, 2016: Journal of Bioscience and Bioengineering
Akihiro Furukawa, Chad E Townsend, Joshua A Schwochert, Cameron R Pye, Maria A Bednarek, R Scott Lokey
Synthetic and natural cyclic peptides provide a testing ground for studying membrane permeability in non-traditional drug scaffolds. Cyclic peptomers, which incorporate peptide and N-alkylglycine (peptoid) residues, combine the stereochemical and geometric complexity of peptides with the functional group diversity accessible to peptoids. We synthesized cyclic peptomer libraries by split-pool techniques, separately permuting side chain and backbone geometry, and analyzed their membrane permeabilities using the parallel artificial membrane permeability assay (PAMPA)...
October 3, 2016: Journal of Medicinal Chemistry
Ariunzaya Tsolmonbaatar, Keisuke Hashida, Yukiko Sugimoto, Daisuke Watanabe, Shuhei Furukawa, Hiroshi Takagi
During bread-making processes, yeast cells are exposed to baking-associated stresses such as freeze-thaw, air-drying, and high-sucrose concentrations. Previously, we reported that self-cloning diploid baker's yeast strains that accumulate proline retained higher-level fermentation abilities in both frozen and sweet doughs than the wild-type strain. Although self-cloning yeasts do not have to be treated as genetically modified yeasts, the conventional methods for breeding baker's yeasts are more acceptable to consumers than the use of self-cloning yeasts...
December 5, 2016: International Journal of Food Microbiology
E Furukawa, B Alsop, P Sowerby, S Jensen, G Tripp
BACKGROUND: The behavioral sensitivity of children with ADHD to punishment has received limited theoretical and experimental attention. This study evaluated the effects of punishment on the response allocation of children with ADHD and typically developing children. METHOD: Two hundred and ten children, 145 diagnosed with ADHD, completed an operant task in which they chose between playing two simultaneously available games. Reward was arranged symmetrically across the games under concurrent variable interval schedules...
September 9, 2016: Journal of Child Psychology and Psychiatry, and Allied Disciplines
Keisuke Minami, Kihei Yoneyama, Masaki Izumo, Kengo Suzuki, Yasuyoshi Ogawa, Kousuke Chikaraishi, Yukihisa Ogawa, Yasuyuki Kobayashi, Toshiyuki Furukawa, Yasuhiro Tanabe, Yoshihiro J Akashi
BACKGROUND: Computed tomography is the best noninvasive imaging modality for evaluating valve leaflet calcification. OBJECTIVE: To evaluate the association of aortic valve leaflet calcification with instantaneous valve opening and closing using dynamic multidetector computed tomography (MDCT). METHODS: We retrospectively evaluated 58 consecutive patients who underwent dynamic MDCT imaging. Aortic valve calcification (AVC) was quantified using the Agatston method...
August 23, 2016: Journal of Cardiovascular Computed Tomography
Ichiro Furukawa, Tomoe Ishihara, Hiroshi Teranishi, Shioko Saito, Jun Yatsuyanagi, Eriko Wada, Yuko Kumagai, Shiho Takahashi, Takayuki Konno, Hiroko Kashio, Akihiko Kobayashi, Naoki Kato, Ken-Ichi Hayashi, Keisuke Fukushima, Kazuhiko Ishikawa, Kazumi Horikawa, Akira Oishi, Hidemasa Izumiya, Takahiro Ohnishi, Yoshiko Konishi, Toshiro Kuroki
This study was undertaken to determine the prevalence, antimicrobial susceptibility, and genetic relatedness of Salmonella enterica subsp. enterica and Campylobacter spp. in poultry meat, and to analyze the association of genetic types of these bacteria with their geographical distribution and antimicrobial resistance profiles. Fifty-four and 71 of 100 samples were found to be contaminated with Salmonella and Campylobacter, respectively. Nine Salmonella serotypes were found, including S. enterica subsp. enterica serovar Infantis (33%), Schwarzengrund (12%), Manhattan (9%), and others...
August 31, 2016: Japanese Journal of Infectious Diseases
S Klotz, K Komatsu, F Pietrucci, H Kagi, A-A Ludl, S Machida, T Hattori, A Sano-Furukawa, L E Bove
It has been known for decades that certain aqueous salt solutions of LiCl and LiBr readily form glasses when cooled to below ≈160 K. This fact has recently been exploited to produce a « salty » high-pressure ice form: When the glass is compressed at low temperatures to pressures higher than 4 GPa and subsequently warmed, it crystallizes into ice VII with the ionic species trapped inside the ice lattice. Here we report the extreme limit of salt incorporation into ice VII, using high pressure neutron diffraction and molecular dynamics simulations...
2016: Scientific Reports
Graham N Newton, Norihisa Hoshino, Takuto Matsumoto, Takuya Shiga, Motohiro Nakano, Hiroyuki Nojiri, Wolfgang Wernsdorfer, Yuji Furukawa, Hiroki Oshio
Here we report the synthesis, structure and detailed characterisation of three n-membered oxovanadium rings, Nan [(V=O)n Nan (H2 O)n (α, β, or γ-CD)2 ]⋅m H2 O (n=6, 7, or 8), prepared by the reactions of (V=O)SO4 ⋅x H2 O with α, β, or γ-cyclodextrins (CDs) and NaOH in water. Their alternating heterometallic vanadium/sodium cyclic core structures were sandwiched between two CD moieties such that O-Na-O groups separated the neighbouring vanadyl ions. Antiferromagnetic interactions between the S=1/2 vanadyl ions led to S=0 ground states for the even-membered rings, but to two quasi-degenerate S=1/2 states for the spin-frustrated heptanuclear cluster...
September 26, 2016: Chemistry: a European Journal
K Komatsu, F Noritake, S Machida, A Sano-Furukawa, T Hattori, R Yamane, H Kagi
No abstract text is available yet for this article.
2016: Scientific Reports
Koji Furukawa, Takeo Abumiya, Keiji Sakai, Miki Hirano, Toshiya Osanai, Hideo Shichinohe, Naoki Nakayama, Ken Kazumata, Kazutoshi Hida, Kiyohiro Houkin
BACKGROUND AND PURPOSE: High blood viscosity causes blood stagnation and subsequent pathological thrombotic events, resulting in the development of ischemic stroke. We hypothesize that the contribution of blood viscosity may differ among ischemic stroke subtypes based on specific pathological conditions. We tried to verify this hypothesis by measuring blood viscosity in acute ischemic stroke patients using a newly developed electromagnetic spinning sphere (EMS) viscometer. METHODS: Measurements in acute ischemic stroke patients were performed 4 times during admission and data were compared with those obtained from 100 healthy outpatient volunteers...
August 5, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Y Itani, A Arakawa, H Tsubamoto, K Ito, R Nishikawa, K Inoue, S Yamamoto, Y Miyagi, K Hori, N Furukawa
PURPOSE: To verify distress and impact thermometer (DIT) for screening emotional distress in gynecological cancer patients by Hospital Anxiety and Depression Scale total (HADS-T) as gold standard and to assess emotional changes by DIT and HADS-T. METHODS: A prospective study was conducted in newly diagnosed gynecological cancer patients during the peri-treatment period after the cancer diagnosis followed by 6-month. We defined a HADS-T score of ≥11 as being indicative of emotional distress...
August 3, 2016: Archives of Gynecology and Obstetrics
Valentin Taufour, Udhara S Kaluarachchi, Rustem Khasanov, Manh Cuong Nguyen, Zurab Guguchia, Pabitra Kumar Biswas, Pietro Bonfà, Roberto De Renzi, Xiao Lin, Stella K Kim, Eun Deok Mun, Hyunsoo Kim, Yuji Furukawa, Cai-Zhuang Wang, Kai-Ming Ho, Sergey L Bud'ko, Paul C Canfield
The temperature-pressure phase diagram of the ferromagnet LaCrGe_{3} is determined for the first time from a combination of magnetization, muon-spin-rotation, and electrical resistivity measurements. The ferromagnetic phase is suppressed near 2.1 GPa, but quantum criticality is avoided by the appearance of a magnetic phase, likely modulated, AFM_{Q}. Our density functional theory total energy calculations suggest a near degeneracy of antiferromagnetic states with small magnetic wave vectors Q allowing for the potential of an ordering wave vector evolving from Q=0 to finite Q, as expected from the most recent theories on ferromagnetic quantum criticality...
July 15, 2016: Physical Review Letters
O Janson, S Furukawa, T Momoi, P Sindzingre, J Richter, K Held
Motivated by recent experiments on volborthite single crystals showing a wide 1/3-magnetization plateau, we perform microscopic modeling by means of density functional theory (DFT) with the single-crystal structural data as a starting point. Using DFT+U, we find four leading magnetic exchanges: antiferromagnetic J and J_{2}, as well as ferromagnetic J^{'} and J_{1}. Simulations of the derived spin Hamiltonian show good agreement with the experimental low-field magnetic susceptibility and high-field magnetization data...
July 15, 2016: Physical Review Letters
Stefan Leucht, Anna Chaimani, Andrea S Cipriani, John M Davis, Toshi A Furukawa, Georgia Salanti
No abstract text is available yet for this article.
September 2016: European Archives of Psychiatry and Clinical Neuroscience
Kageumi Takeno, Yoshifumi Tamura, Minako Kawaguchi, Saori Kakehi, Takahiro Watanabe, Takashi Funayama, Yasuhiko Furukawa, Hideyoshi Kaga, Risako Yamamoto, Maengkyu Kim, Miho Nishitani-Yokoyama, Kazunori Shimada, Hiroyuki Daida, Shigeki Aoki, Hikari Taka, Tsutomu Fujimura, Susumu S Sawada, Adria Giacca, Akio Kanazawa, Yoshio Fujitani, Ryuzo Kawamori, Hirotaka Watada
CONTEXT: Although the metabolic abnormalities are often developed in Asians with BMI of 23 to 25 kg/m(2), the characteristics of the non-obese Asians with metabolic abnormality have not been fully understood. OBJECTIVE: The aim of this study was to investigate the clinical significance of insulin sensitivity in Japanese men with BMI of 23 to 25 kg/m(2). DESIGN AND PARTICIPANTS: In this study, we defined that hypertension, hyperglycemia, and dyslipidemia are cardiometabolic risk factors (CMRF)...
July 6, 2016: Journal of Clinical Endocrinology and Metabolism
K Komatsu, F Noritake, S Machida, A Sano-Furukawa, T Hattori, R Yamane, H Kagi
Most ice polymorphs have order-disorder "pairs" in terms of hydrogen positions, which contributes to the rich variety of ice polymorphs; in fact, three recently discovered polymorphs- ices XIII, XIV, and XV-are ordered counter forms to already identified disordered phases. Despite the considerable effort to understand order-disorder transition in ice crystals, there is an inconsistency among the various experiments and calculations for ice XV, the ordered counter form of ice VI, i.e., neutron diffraction observations suggest antiferroelectrically ordered structures, which disagree with dielectric measurement and theoretical studies, implying ferroelectrically ordered structures...
2016: Scientific Reports
Mohamed S Abdalzaher, Karim Seddik, Maha Elsabrouty, Osamu Muta, Hiroshi Furukawa, Adel Abdel-Rahman
We present a study of using game theory for protecting wireless sensor networks (WSNs) from selfish behavior or malicious nodes. Due to scalability, low complexity and disseminated nature of WSNs, malicious attacks can be modeled effectively using game theory. In this study, we survey the different game-theoretic defense strategies for WSNs. We present a taxonomy of the game theory approaches based on the nature of the attack, whether it is caused by an external attacker or it is the result of an internal node acting selfishly or maliciously...
2016: Sensors
Takehiro Hiraoka, Yasushi Hirota, Tomoko Saito-Fujita, Mitsunori Matsuo, Mahiro Egashira, Leona Matsumoto, Hirofumi Haraguchi, Sudhansu K Dey, Katsuko S Furukawa, Tomoyuki Fujii, Yutaka Osuga
Although a close connection between uterine regeneration and successful pregnancy in both humans and mice has been consistently observed, its molecular basis remains unclear. We here established a mouse model of decellularized uterine matrix (DUM) transplantation. Resected mouse uteri were processed with SDS to make DUMs without any intact cells. DUMs were transplanted into the mouse uteri with artificially induced defects, and all the uterine layers were recovered at the DUM transplantation sites within a month...
June 2, 2016: JCI Insight
Akira Furukawa
The most popular and 'gold standard' phenomenon in Biological dosimetry is the appearance of dicentric chromosomes in metaphase in white blood cells. The metaphase finder is a tool for biological dosimetry that finds metaphase cells on slide glasses. The author and a software company were using new special software that was faster than conventional systems. A Nikon Eclipse Ni-E microscope with motorised X-Y stage, 4× objective lens and 1920 × 1024 pixels colour camera for hardware were used. The software uses mathematical morphology filters...
June 29, 2016: Radiation Protection Dosimetry
Masato Furukawa, Yasutaka Minegishi, Shinji Izumiyama, Kenji Yagita, Hideto Mori, Taku Uemura, Yoshiki Etoh, Eriko Maeda, Mari Sasaki, Kazuya Ichinose, Seiya Harada, Yoichi Kamata, Masaki Otagiri, Yoshiko Sugita-Konishi, Takahiro Ohnishi
Sarcocystis fayeri (S. fayeri) is a newly identified causative agent of foodborne disease that is associated with the consumption of raw horse meat. The testing methods prescribed by the Ministry of Health, Labour and Welfare of Japan are time consuming and require the use of expensive equipment and a high level of technical expertise. Accordingly, these methods are not suitable for use in the routine sanitary control setting to prevent outbreaks of foodborne disease. In order to solve these problems, we have developed a new, rapid and simple testing method using LAMP, which takes only 1 hour to perform and which does not involve the use of any expensive equipment or expert techniques...
2016: Biocontrol Science
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