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이시형,Kuniko Moto,오태웅,Motoko Taguchi 한국운동영양학회 2022 Physical Activity and Nutrition (Phys Act Nutr) Vol.26 No.3
[Purpose] This study aimed to evaluate the differences between predicted resting energy expenditure (REE), using fat-free mass (FFM)-based prediction equations, and measured REE in Korean male collegiate soccer players. [Methods] Fifteen male collegiate soccer players (18- 21 years) participated in this study. The REE measurements were conducted using the Douglas bag method. Body composition was measured by dual-energy X-ray absorptiometry (DXA). The differences between the measured REE and predicted REE, using the five FFM-based REE equations, were analyzed using the t-test, calculation of errors, regression analysis, and the Bland-Altman method. [Results] The Cunningham (1980) and ten Haaf and Weijs (2014) equations showed significantly overestimated REE (1,808 ± 99 kcal/d, p <0.01; 1,838 ± 103 kcal/d, p <0.01; respectively), but the Owen (1988), Taguchi (2011), and Kim (2015) equations’ estimations were not significantly different from the measured REE (1,589 ± 106 kcal/d, 1,640 ± 124 kcal/d, and 1,622 ± 68 kcal/d, respectively). The Taguchi equation gave the best prediction of REE with the lowest constant error (-6 ± 125) and effect size (-0.05), and a non-significant proportional bias (p = 0.95). [Conclusion] The Taguchi equation is recommended for predicting REE in Korean collegiate soccer players. The selection process of a REE-prediction equation must take into consideration the target population’s characteristics. Future studies are recommended to evaluate the validity of the different FFM-based REE-prediction equations in various Korean athletes.
Taguchi, Satoru,Fukuhara, Hiroshi,Kakutani, Shigenori,Takeshima, Yuta,Miyazaki, Hideyo,Suzuki, Motofumi,Fujimura, Tetsuya,Nakagawa, Tohru,Igawa, Yasuhiko,Kume, Haruki,Homma, Yukio Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.24
Background: Adjuvant androgen deprivation therapy (ADT) is a treatment option for prostate cancer (PC) patients after radical prostatectomy (RP). Although it can achieve a good progression-free survival rate, some patients still develop clinical metastasis. We here investigated risk factors of clinical metastasis in post-prostatectomy patients who received immediate adjuvant ADT. Materials and Methods: We identified 197 patients with non-metastatic PC who underwent RP at our institution between 2000 and 2012, followed by adjuvant ADT. The associations of various clinicopathologic factors with clinical metastasis (primary endpoint) and cancer-specific survival (secondary endpoint) were assessed. Multivariate analysis was conducted using a Cox proportional hazards model. Median follow-up was 87 months after RP. Results: Nine (4.6%) patients developed clinical metastasis and six (3.0%) died from PC. Eight of nine metastatic patients had a pathologic Gleason score (GS) 9 and developed bone metastasis, while the remaining one had pathologic GS 7 and developed metastasis only to para-aortic lymph nodes. On multivariate analyses, pathologic GS ${\geq}9$ and regional lymph node metastasis (pN1) were independent predictors of clinical metastasis and pathologic GS ${\geq}9$ was an independent predictor of cancer-specific death. Conclusions: Pathologic GS ${\geq}9$ and pN1 were independent predictors of clinical metastasis in post-prostatectomy patients who received immediate adjuvant ADT. Furthermore, pathologic GS ${\geq}9$ was an indispensable condition for bone metastasis, which may imply that patients with GS ${\leq}8$ on adjuvant ADT are unlikely to develop bone metastasis.
Taguchi Taisei,Gohda Syun,Gotoh Kazuma,Sato Satoshi,Yamada Yasuhiro 한국탄소학회 2023 Carbon Letters Vol.33 No.4
Selective doping of pyridinic nitrogen in carbon materials has attracted attention due to its significant properties for various applications such as catalysts and electrodes. However, selective doping of pyridinic nitrogen together with controlling skeletal structure is challenging in the absence of catalysts. In this work, four precursors including four fused aromatic rings and pyridinic nitrogen were simply carbonized in the absence of catalysts in order to attain mass synthesis at low cost and a high percentage of pyridinic nitrogen in carbon materials with controlled edges. Among four precursors, dibenzo[f,h]quinoline (DQ) showed an extremely high percentage of pyridinic nitrogen (96 and 86%) after heat treatment at 923 and 973 K, respectively. Experimental spectroscopic analyses combined with calculated spectroscopic analyses using density functional theory calculations unveiled that the C-H next to the pyridinic nitrogen in DQ generated gulf edge structures with controlled pyridinic nitrogen after carbonization. By comparing the reactivities among the four precursors, three main factors required for maintaining the pyridinic nitrogen in carbon materials with controlled edges, such as (1) high thermal stability of the pyridinic nitrogen, (2) the presence of one pyridinic nitrogen in one ring, and (3) the formation of gulf edges including pyridinic nitrogen to protect the pyridinic nitrogen by the C-H groups on the gulf edges, were revealed.
Makoto Taguchi,Takaaki Inoue,Kouei Muguruma,Takashi Murota,Hidefumi Kinoshita,Tadashi Matsuda 대한비뇨의학회 2017 Investigative and Clinical Urology Vol.58 No.6
Purpose: To evaluate urination-related quality of life (QoL) in patients with an indwelling ureteral stent immediately after ureteroscopic lithotripsy (URSL) for upper urinary calculi. We compared the effects of loop-tail and pigtail ureteral stents on urination-related QoL. Materials and Methods: Of 135 patients who underwent URSL between May 2014 and March 2015 at our hospital, we retrospectively analyzed the records of 70 patients (42 men, 28 women; median age, 63 years) in whom the stent tail was positioned inside the bladder without crossing the midline and who completed the core lower urinary tract symptoms score (CLSS) questionnaire pre- and postoperatively. Results: There were significant differences in incomplete emptying (p=0.048) and bladder pain (p=0.041) between patients with loop-tail versus pigtail ureteral stents after URSL. In the multivariate analysis, stent type had a stronger association with incomplete emptying (p=0.022) and bladder pain (p=0.018) than age, sex, body mass index, stent side, operation time, diameter of ureteral access sheath, and stent type. Conclusions: Patients with loop-tail ureteral stents had better urination-related QoL in the immediate post-URSL stage than patients with pigtail stents.
Antiresorptive agent-related osteonecrosis of the jaw in osteoporosis patients from Asian countries
Akira Taguchi,Masataka Shiraki,Archie Morrison,Aliya A. Khan 대한골다공증학회 2017 Osteoporosis and Sarcopenia Vol.3 No.2
Bisphosphonate (BP)-associated osteonecrosis of the jaw (ONJ) was first reported in oncology patients in 2003 and subsequently in osteoporosis patients in 2004. Since oral surgical procedures, such as tooth extraction, are also considered one of the major risk factors for ONJ, there is confusion among physicians, dentists, and patients e particularly osteoporosis patients currently taking BPs e regarding the safety of remaining on therapy surrounding these procedures. Many papers about BP-related ONJ (BRONJ) have been published to date. In addition to BRONJ, recent studies have reported an association between ONJ and the antiresorptive therapy denosumab (Dmab; a RANKL-inhibitor). BRONJ and Dmab-related ONJ are together referred to as antiresorptive agent-related ONJ (ARONJ). The pathogenesis of ARONJ still remains unknown. It is forecasted that there will be an increased incidence of patients with osteoporotic fractures and an increased number of prescriptions for antiresorptive agents in Asia in the future. However, prescriptions for antiresorptives for osteoporosis may be restricted in the Asian population as the occurrence of ARONJ may be higher as compared with those in other countries. In this review, we focused on the following topics as it pertains to the Asian osteoporotic population: the oral condition specific for osteoporosis patients; definition, staging, prevalence and incidence of ARONJ; imaging modalities for ARONJ; specific risk factors for ARONJ; prevention strategies for ARONJ, and; cooperation between physicians and dentists in the prevention of ARONJ. Ideally, the Asian Federation of Osteoporosis Societies would cooperate with one another and find more population-specific evidence for the prevention of ARONJ.
Identification of Hybrid System based on Probability Weighted Multiple ARX Model
Shun Taguchi,Tatsuya Suzuki,SoichiroHayakawa,Shinkichi Inagaki 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper proposes a Probability weighted ARX(PrARX) model where in the multiple ARX models are composed by the probabilistic weighting functions. As the probabilistic weighting function, a ‘softmax’ function is intro-duced. Then, the parameter estimation problem for the proposed model is formulated as a single optimization problem. Furthermore, the identified PrARX model can be easily transformed to the corresponding PWARX model with com-plete partitions between regions. Finally, the proposed model is applied to the modeling of the driving behavior, and the usefulness of the model is verified.
Design and Grasping Control of Rib-Reinforced Bending Soft Actuators by Vacuum Driven
R.Taguchi,Y.Sawada 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
This paper is concerned with developing a soft robot hand consisting of three Rib-Reinforced Vacuum-Driven Actuators that perform tasks requiring flexibility in the same workspace as humans. Most of the conventional soft actuators are powered by compressed air, which is easy to obtain the output, however, there is a risk of rupture. In consideration of workers’ and products’ safety, vacuum-driven soft actuators were developed to avoid rupture. In order to prevent undesirable buckling due to atmospheric pressure, resin ribs are appropriately placed inside to enable bending motion by vacuum drive. This soft actuator generated a maximum force of about 2.9 N at its tip. Furthermore, the tip force is controlled by the force feedback PID control, which was established by using the pressure-force characteristic of the soft actuators and could be controlled for a mixture of step, linear, and sinusoidal waves as the reference force inputs. In the experiments of grasping, the soft robot hand was able to grasp workpieces of various materials and shapes, including a plastic bottle with water (0.535 kg). In addition, by introducing the pressure feedback control, the soft robot hand achieved to gently grasp the paper balloon without changing its shape.