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Photo current metastability in Cu(In,Ga)Se2 solar cells with controlled conduction band alignment
Hiroaki Hori,Takashi Minemoto,Hideyuki Takakura 한국물리학회 2010 Current Applied Physics Vol.10 No.2
A metastability of current density–voltage characteristics, so called a light soaking (LS) effect, in (Zn,Mg)O (ZMO)/Cu(In,Ga)Se2 (CIGS) solar cells with the controlled conduction band offset (CBO) between window and CIGS layers was measured. The strong LS effect was observed with increasing the CBO value from +0.03 eV to +0.35 eV. Here, plus sign of CBO indicate the conduction band minimums of the window layers above that of the CIGS layers. When the CBO is positive, the CBO acts as a barrier for photo-generated electrons in the CIGS layer. On the other hand, the CIGS solar cells with Cd partial electrolyte treatment for the CIGS surface before the ZMO deposition showed the negligible LS effect. These results indicate that the LS effect would relate to the photo current which is affected by CBO and surface condition of the CIGS film, and the external quantum efficiency measurements support this hypothesis.
Risa Yamada(Risa Yamada ),Takeshi Fujii(Takeshi Fujii ),Kotaro Hattori(Kotaro Hattori ),Hiroaki Hori(Hiroaki Hori ),Ryo Matsumura(Ryo Matsumura ),Tomoko Kurashimo(Tomoko Kurashimo ),Naoko Ishihara(Nao 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.2
Objective: This study aimed to determine if the discrepancy between depression severity rated by clinicians and that reported by patients depends on key behavioral/psychological features in patients with mood disorders. Methods: Participants included 100 patients with mood disorders. First, we examined correlations and regressions between scores on the Hamilton Depression Rating Scale (HAMD) and Beck Depression Inventory (BDI). Second, we divided the participants into those who provided 1) greater ratings for the BDI compared with the HAMD (BDI relative- overrating, BO) group, 2) comparable ratings for the BDI and HAMD (BDI relatively concordant, BC) group, or 3) less ratings for the BDI (BDI relative-underrating, BU) group. Adverse childhood experiences, autistic-like traits, and coping styles were evaluated with a six-item short version of the Childhood Trauma Questionnaire (CTQ-6), the Social Responsiveness Scale for Adults (SRS-A), and the Ways of Coping Checklist (WCCL), respectively. Results: A significant correlation was found between HAMD and BDI scores. Total and emotional abuse subscale scores from the CTQ-6, and the self-blame subscale scores from the WCCL were significantly higher for the BO group compared with the BU group. The BO group also elicited significantly higher SRS-A total scores than did the other groups. Conclusion: These findings suggest that patients with adverse emotional experiences, autistic-like traits, and self-blame coping styles perceive greater distress than that evaluated objectively by clinicians. The results indicate the need for inclusion of subjective assessments to effectively evaluate depressive symptoms in patients deemed to have these psycho- behavioral concerns.
Numerical Exact Discrete-Time-Model of Linear Time-Varying Systems
Hiroaki Shiobara,Noriyuki Hori 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
This paper proposes a method of obtaining a numerical, exact discrete-time-model for linear time-varying systems. The method relies on the computation of a transition matrix expressible as the Peano-Baker Series for a given discrete-time interval and system parameters. For time-invariant systems, the proposed discrete-time model reduces to the well known step-invariant-model. As an example, the Euler differential equation is discretized using the standard forward-difference method, the discretization of Euler differential operator, and the proposed method. Simulations show that the proposed discrete-time-model gives exact values at discrete-time instants for any discretization periods, while the other two methods generate errors.
( Taku Kobayashi ),( Hiroaki Ito ),( Toshifumi Ashida ),( Tadashi Yokoyama ),( Masakazu Nagahori ),( Tomoki Inaba ),( Mitsuhiro Shikamura ),( Takayoshi Yamaguchi ),( Tetsuharu Hori ),( Philippe Pinton 대한장연구학회 2021 Intestinal Research Vol.19 No.4
Background/Aims: A subgroup analysis was conducted in Japanese patients with moderate to severe ulcerative colitis (UC) enrolled in the phase 3 VISIBLE 1 study, which evaluated the safety and efficacy of a new vedolizumab subcutaneous (SC) for-mulation. Methods: Eligible patients received open-label infusions of vedolizumab 300 mg intravenous (IV) at weeks 0 and 2 in the induction phase. Patients with clinical response by complete Mayo score at week 6 entered the double-blind maintenance phase and were randomized to vedolizumab 108 mg SC every 2 weeks, placebo, or vedolizumab 300 mg IV every 8 weeks. The primary endpoint was clinical remission (complete Mayo score ≤2 points; no individual subscore >1 point) at week 52. Results: Of 49 patients who entered the induction phase, 22 out of 49 patients (45%) had clinical response at week 6 and were randomized to vedolizumab 108 mg SC (n=10), placebo (n=10), or vedolizumab 300 mg IV (n=2). At week 52, 4 out of 10 pa-tients (40%) who received vedolizumab SC had clinical remission versus 2 out of 10 patients (20%) who received placebo (dif-ference: 20% [95% confidence interval, ±27.9 to 61.8]). Two patients (2/10, 20%) who received vedolizumab SC experienced an injection-site reaction versus none who received placebo. Conclusions: Our results indicate that the efficacy of vedolizumab SC in a subgroup of Japanese patients with UC are similar with those in the overall VISIBLE 1 study population, and with those established with vedolizumab IV. The safety and tolerability of vedolizumab SC were generally similar to that established for vedolizumab IV. (ClinicalTrials.gov ID NCT02611830; EudraCT 2015-000480-14) (Intest Res 2021;19:448-460)
Autogenic Rib Graft for Atlantoaxial and Occipitocervical Fixation in Pediatric Patients
Akira Matsumura,Takashi Namikawa,Minori Kato,Yusuke Hori,Masayoshi Iwamae,Noriaki Hidaka,Sadahiko Konishi,Hiroaki Nakamura 대한척추외과학회 2019 Asian Spine Journal Vol.13 No.5
Study Design: Retrospective case series. Purpose: To evaluate surgical outcomes and effectiveness of an autogenic rib graft for upper cervical fixation in pediatric patients. Overview of Literature: Autogenic bone grafts have long been considered the ‘gold standard’ bone source for posterior cervical fusion in pediatric patients. However, there are some unsolved problems associated with donor-site morbidity and amount of bone grafting. Methods: We studied five consecutive pediatric patients who underwent atlantoaxial fixation or occipitocervical fixation (OCF) using an autogenic rib graft with at least 2 years of follow-up (mean age, 9.8 years; mean follow-up period, 73.0 months). Two patients underwent OCF without screw-rod constructs and three patients with screw-rod constructs. Autogenic rib grafts were used in all patients. We evaluated the surgical outcomes including radiographic parameter, bony union, and perioperative complications. Results: The atlantoaxial interval (ADI) was corrected from 11.6 to 6.0 mm, and the C1–2 angle was corrected −14.8° to 7.8°. The C2–7 angle was reduced from 31° to 9° spontaneously. Two patients with OCF required revision surgery due to loss of correction. Patients did not experience any complication associated with the donor sites (rib bone grafts). Six months postoperation X-rays clearly showed regeneration of the rib at the donor sites. Bony fusion was achieved in all patients; however, bony fusion occurred more slowly in patients without screw-rod constructs compared with patients with screw-rod constructs. Bone regeneration of the rib was observed in all patients with no complications at the donor site. Conclusions: Autogenic rib grafts have advantages of potential bone regeneration, high fusion rate, and low donor-site morbidity. In addition, a screw-rod construct provides better bony fusion in pediatric patients with OCF and atlantoaxial fixation.
CLOUD PROFILING RADAR ON EARTHCARE SATELLITE
Nobuhiro Takahashi,Toshiyoshi Kimura,Yuichi Ohno,Hiroaki Horie,Hirotaka Nakatsuka,Kenji Sato,Yasuo Sakaide,Kazuyuki Okada,Hiroshi Kumagai 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
The design and current status of EarthCARE/CPR are described in this report. Basic design of CPR will be confirmed in this year, and engineering model development and testing will be done this year and the next year. In parallel with the development activity of CPR, algorithm development activity is in progress. The data from CPR is expected to contribute to reveal the detailed information of clouds and to the studies on global warming. It is also expected the continuation of cloud observation from CloudSat data that was launched in 2006[4].
Iwamae Masayoshi,Matsumura Akira,Namikawa Takashi,Kato Minori,Hori Yusuke,Yabu Akito,Sawada Yuta,Noriaki Hidaka,Nakamura Hiroaki 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.4
Study Design: A retrospective case control study.Purpose: The purpose of this study was to compare the surgical outcomes of multilevel lateral lumbar interbody fusion (LIF) and multilevel posterior lumbar interbody fusion (PLIF) in the surgical treatment of adult spinal deformity (ASD) and to evaluate the sagittal plane correction by combining LIF with posterior-column osteotomy (PCO).Overview of Literature: The surgical outcomes between multilevel LIF and multilevel PLIF in ASD patients remain unclear.Methods: We retrospectively reviewed 31 ASD patients who underwent multilevel LIF combined with PCO (LIF group, n=14) or multilevel PLIF (PLIF group, n=17) and with a minimum 2-year follow-up. In the comparison between LIF and PLIF groups, their mean age at surgery was 69.4 vs. 61.8 years while the mean follow-up period was 29.2 vs. 59.3 months. We evaluated the transition of pelvic incidence–lumbar lordosis (PI–LL) and disc angle (DA) in the LIF group, in fulcrum backward bending (FBB), after LIF and after posterior spinal fusion (PSF) with PCO. The spinopelvic radiographic parameters were compared between LIF and PLIF groups.Results: Compared with the PLIF group, the LIF group had less blood loss and comparable surgical outcomes with respect to radiographic data, health-related quality of life scores and surgical time. In the LIF group, the mean DA and PI–LL were unchanged after LIF (DA, 5.8°; PI–LL, 15°) compared with the values using FBB (DA, 4.3°; PI–LL, 15°) and improved significantly after PSF with PCO (DA, 8.1°; PI–LL, 0°).Conclusions: In the surgical treatment of ASD, multilevel LIF is less invasive than multilevel PLIF and combination of LIF and PCO would be necessary for optimal sagittal correction in patients with rigid deformity.
Miho Ota,Junko Matsuo,Noriko Sato,Toshiya Teraishi,Hiroaki Hori,Kotaro Hattori,Yoko Kamio,Norihide Maikusa,Hiroshi Matsuda,Hiroshi Kunugi 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.11
Objective Autistic spectrum traits are postulated to lie on a continuum that extends between individuals with autism and individuals with typical development. The present study was carried out to investigate functional and network abnormalities associated with autistic spectrum trait in healthy male subjects. Methods Subjects were 41 healthy male subjects who underwent the social responsiveness scale-adult (SRS-A) and magnetic resonance imaging. Results There was significant positive correlation between the total score of SRS-A and the regional cerebral blood flow (CBF) in posterior cingulate cortex (PCC). Also, there were changes in functional network such as in cingulate corti, insula and fusiform cortex. Further, we also found the significant difference of functional networks between the healthy male subjects with high or low autistic spectrum trait, and these points were congruent with the previous perceptions derived from autistic-spectrum disorders. Conclusion These findings suggest a biological basis for the autistic spectrum trait and may be useful for the imaging marker of autism symptomatology.