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Single Crystal Growth and Various Electronic States in Yb-based Compounds
Yusuke Hirose,Shingo Yoshiuchi,Naoto Nishimura,Junya Sakaguchi,Kentaro Enoki,Ken Iwakawa,Yasunao Miura,Kiyohiro Sugiyama,Yoshichika Onuki,Rikio Settai,Tetsuya Takeuchi,Fuminori Honda,Tatsuma D. Matsud 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We succeeded in growing single crystals of YbTIn5 (T : Co, Rh, Ir), YbGa4, YbT2Zn20 (T : Co,Rh, Ir), YbPdGe, Yb2Pt2Pb, and YbPd5Al2. The electronic and magnetic properties are clarifiedby measuring the electrical resistivity, magnetic susceptibility, magnetization, specific heat and deHaas - van Alphen effect.
Minako Wakasugi,Yusuke Sakaguchi 대한신장학회 2018 Kidney Research and Clinical Practice Vol.37 No.4
We read the paper entitled “Association of serum mineral parameters with mortality in hemodialysis patients: Data from the Korean end-stage renal disease registry” by Kim et al [1] with great interest. Using data from the nationwide Korean Society of Nephrology ESRD Registry, the authors revealed that high serum calcium, low phosphorus, and both high and low intact parathyroid hormone levels were associated with increased all-cause mortality. Notably, however, hyperphosphatemia was not significantly associated with increased all-cause mortality in Korean hemodialysis patients. This is in sharp contrast to studies from other countries, including Japan, which have consistently shown that patients with hyperphosphatemia are at increased risk of death.
Diagnosing metabolic acidosis in chronic kidney disease: importance of blood pH and serum anion gap
Kaimori Jun-Ya,Sakaguchi Yusuke,Kajimoto Sachio,Asahina Yuta,Oka Tatsufumi,Hattori Koki,Doi Yohei,Isaka Yoshitaka 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.3
Metabolic acidosis is one of the most common complications of chronic kidney disease (CKD). It is associated with the progression of CKD, and many other functional impairments. Until recently, only serum bicarbonate levels have been used to evaluate acid-base changes in patients with reduced kidney function. However, recent emerging evidence suggests that nephrologists should reevaluate the clinical approach for diagnosing metabolic acidosis in patients with CKD based on two perspectives; pH and anion gap. Biochemistry and physiology textbooks clearly indicate that blood pH is the most important acid-base parameter for cellular function. Therefore, it is important to determine if the prognostic impact of hypobicarbonatemia varies according to pH level. A recent cohort study of CKD patients showed that venous pH modified the association between a low bicarbonate level and the progression of CKD. Furthermore, acidosis with a high anion gap has recently been recognized as an important prognostic factor, because veverimer, a nonabsorbable hydrochloride-binding polymer, has been shown to improve kidney function and decrease the anion gap. Acidosis with high anion gap frequently develops in later stages of CKD. Therefore, the anion gap is a time-varying factor and renal function (estimated glomerular filtration rate) is a time-dependent confounder for the anion gap and renal outcomes. Recent analyses using marginal structural models showed that acidosis with a high anion gap was associated with a high risk of CKD. Based on these observations, reconsideration of the clinical approach to diagnosing and treating metabolic acidosis in CKD may be warranted.
Satoshi Suzuki,Takemi Matsui,Kentaro Mikajiri,Yusuke Sakaguchi,Kazuhiro Ando,Nobuyuki Nishiuchi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In order to predict of accuracy of movement just before the onset of movement using biological signals, the relationships between MRCP measured as a physiological index and the accuracy of task performance were investigated. As experiments, subjects touched the target appearing 300 pixels away from a start point in a verticaldirection on a touch-sensitive screen with the forefinger. During experiments, EEG, EMG as trigger, high-speed camera images, and task efficiency were acquired. As a result, significant differences between the high- and low-performance groups were clearly confirmed on the slope of NS in MRCPs. Furthermore, a difference between these groups wasconfirmed in duration of ballistic movement.
( Takashi Nonaka ),( Takaomi Kessoku ),( Yuji Ogawa ),( Shogo Yanagisawa ),( Tadahiko Shiba ),( Takashi Sakaguchi ),( Kazuhiro Atsukawa ),( Hisao Takahashi ),( Yusuke Sekino ),( Hiroshi Iida ),( Hirok 대한소화기기능성질환·운동학회 2013 Journal of Neurogastroenterology and Motility (JNM Vol.19 No.1
Background/Aims The aim of this study was to examine the convenience of the quality of life and utility evaluation survey technology (QUEST) questionnaire and the frequency scale for the symptoms of gastroesophageal reflux disease (FSSG) questionnaire as self-assessment diagnostic instrument. Methods This was a two-way crossover study conducted over 6 weeks from September 2010 to November 2010. The subjects were 60 consecutive patients admitted to the Hiratsuka city hospital with a gastrointestinal condition, regardless of the coexistence of heartburn. They were assigned to fill in both the QUEST and FSSG questionnaires in random order. We analyzed the time taken to complete the questionnaires, whether subjects asked any questions as they filled in the questionnaire, and the questionnaire scores. Results Comparison of the QUEST and the FSSG revealed significant differences in the completion time (196.5 vs. 97.5 seconds, respectively; P < 0.0001) and in whether subjects asked any questions (37 vs. 15 subjects, respectively; P < 0.0001). Completion time in QUEST scores of ≥ 4 was lower than < 4 (170.5 vs. 214.0 seconds, respectively; P = 0.022), and the QUEST score was significantly higher without questions than with question (3 vs. 1 points, respectively; P = 0.025). Conclusions This study revealed that the FSSG questionnaire may be easier for Japanese subjects to complete than the QUEST questionnaire. (J Neurogastroenterol Motil 2013; 19:54-60)
Takashi Nonaka,Takaomi Kessoku,Yuji Ogawa,Shogo Yanagisawa,Tadahiko Shiba,Takashi Sakaguchi,Kazuhiro Atsukawa,Hisao Takahashi,Yusuke Sekino,Hiroshi Iida,Hiroki Endo,Yasunari Sakamoto,Tomoko Koide,Hiro 대한소화기 기능성질환∙운동학회 2013 Journal of Neurogastroenterology and Motility (JNM Vol.19 No.1
Background/Aims The aim of this study was to examine the convenience of the quality of life and utility evaluation survey technology (QUEST) questionnaire and the frequency scale for the symptoms of gastroesophageal reflux disease (FSSG) questionnaire as self-assessment diagnostic instrument. Methods This was a two-way crossover study conducted over 6 weeks from September 2010 to November 2010. The subjects were 60 consecutive patients admitted to the Hiratsuka city hospital with a gastrointestinal condition, regardless of the coexistence of heartburn. They were assigned to fill in both the QUEST and FSSG questionnaires in random order. We analyzed the time taken to complete the questionnaires, whether subjects asked any questions as they filled in the questionnaire, and the questionnaire scores. Results Comparison of the QUEST and the FSSG revealed significant differences in the completion time (196.5 vs. 97.5 seconds, respectively; P < 0.0001) and in whether subjects asked any questions (37 vs. 15 subjects, respectively; P < 0.0001). Completion time in QUEST scores of ≥ 4 was lower than < 4 (170.5 vs. 214.0 seconds, respectively; P = 0.022), and the QUEST score was significantly higher without questions than with question (3 vs. 1 points, respectively; P = 0.025). Conclusions This study revealed that the FSSG questionnaire may be easier for Japanese subjects to complete than the QUEST questionnaire.