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Boonnakhom Tangkhavanich,Takashi Kobayashi,Shuji Adachi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Rice stem was repeatedly treated 3 times with subcritical water, ethanol, and 75% (v/v) ethanol in different orders at 230 8C for 5 min during each treatment step to extract its constituents. The obtained extracts were subjected to an analysis of their yield, carbohydrate content, phenolic content, radical scavenging ability, color, and UV absorption spectra. The highest total carbohydrate and phenolic contents were obtained by treatment with subcritical water, and with subcritical ethanol after pretreatment with subcritical water, respectively. However, the extract with the highest radical scavenging ability was obtained by treatment with subcritical 75% (v/v) ethanol as the 1st treatment.
Estimation of Quantity of Cl-from Deicing Salts on Weathering Steel Used for Bridges
Masamichi Takebe,Makoto Ohya,Shota Ajiki,Takashi Furukawa,Ryo Adachi,Rumiko Gan-ei,Naoki Kitagawa,Junya Ota,Yasuhiko Matsuzaki,Toshihiko Aso 한국강구조학회 2008 International Journal of Steel Structures Vol.8 No.2
To estimate the contribution of Cl from deicing salt (CaCl2) on weathering steel on a bridge in southwestern Japan, therelationship among the quanties of Cl, SO42 and Ca2+ on girders is examined. The composition of the ions on girder showsseasonal variation, and the Ca2+ and Cl on the western second girder are enriched with a ratio coresponding to CaCl2 in winter,suggesting that CaCl2 2 is more 50 % of totalchlorine ion and the corosion is more enhanced on the second girder.
Effects of Rikkunshito (TJ-43) on Esophageal Motor Function and Gastroesophageal Reflux
( Terumi Morita ),( Kenji Furuta ),( Kyoichi Adachi ),( Shunji Ohara ),( Takashi Tanimura ),( Kenji Koshino ),( Tomochika Uemura ),( Kohji Naora ),( Yoshikazu Kinoshita ) 대한소화기기능성질환·운동학회 (구 대한소화관운동학회) 2012 Journal of Neurogastroenterology and Motility (JNM Vol.18 No.2
Background/Aims Rikkunshito (TJ-43), an herbal medicine, has been demonstrated to relieve gastroesophageal reflux symptoms. However, the effects of TJ-43 on esophageal motor functions have not been fully determined. This double-blind crossover study was performed to investigate the effects of TJ-43 on esophageal motor functions and gastroesophageal reflux. Methods The subjects were 10 normal male volunteers. Lower esophageal sphincter pressure and esophageal body peristaltic contractions with and without 1-week administration of TJ-43 were examined in a crossover fashion. Post-prandial gastroesophageal reflux was also determined using a multi-channel impedance pH dual monitor. Results TJ-43 at a standard dose of 7.5 g/day did not significantly augment esophageal peristaltic contraction pressure measured in the proximal, middle and distal segments of the esophagus, whereas increment of resting lower esophageal sphincter pressure was observed in a supine position. In addition, TJ-43 administration did not decrease post-prandial gastroesophageal acid, non-acid reflux events or accelerate esophageal clearance time. Conclusions TJ-43 at a standard dose did not have a significant effect on esophageal motor activity or gastroesophageal reflux in healthy adults.
Ikeura Atsushi,Kushida Taketoshi,Oe Kenichi,Kotani Yoshihisa,Ando Muneharu,Adachi Takashi,Saito Takanori 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.3
Study Design: Biomechanical study.Purpose: To assess the correlation between the computed tomography (CT) values of the pedicle screw path and screw pull-out strength.Overview of Literature: The correlation between pedicle screw pull-out strength and bone mineral density has been well established. In addition, several reports have demonstrated a correlation between bone mineral density and CT values. However, no previous biomechanical studies investigated the correlation between CT values and pedicle screw pull-out strength.Methods: Sixty fresh-frozen lumbar vertebrae from 6-month-old pigs were used. Before screw insertion, the CT values of the screw path were obtained for each sample. Specimens were then randomly divided into three equal groups. Each group had one of three pedicle screws inserted: 4.0-mm LEGACY (4.0-LEG), 4.5-mm LEGACY (4.5-LEG), or 4.5-mm SOLERA (4.5-SOL) (all from Medtronic Sofamor Danek Inc., Memphis, TN, USA). Each screw had a consistent 30-mm thread length. Axial pull-out testing was performed at a rate of 1.0 mm/min. Correlations between the CT values and pedicle screw pull-out strength were evaluated using Pearson’s correlation coefficient analysis.Results: The correlation coefficients between the CT values of the screw path and pedicle screw pull-out strength for the 4.0-LEG, 4.5-LEG, and 4.5-SOL groups were 0.836 (<i>p</i> <0.001), 0.780 (<i>p</i> <0.001), and 0.873 (<i>p</i> <0.001), respectively. Greater CT values were associated with greater screw pull-out strength.Conclusions: The CT values of the screw path were strongly positively correlated with pedicle screw pull-out strength, regardless of the screw type and diameter, suggesting that the CT values could be clinically useful for predicting pedicle screw pull-out strength.