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( Po-yao Hsu ),( Yu-ju Wei ),( Jia-jung Lee ),( Sheng-wen Niu ),( Jiun-chi Huang ),( Cheng-ting Hsu ),( Tyng-yuan Jang ),( Ming-lun Yeh ),( Ching-i Huang ),( Po-cheng Liang ),( Yi-hung Lin ),( Ming-ye 대한간학회 2021 Clinical and Molecular Hepatology(대한간학회지) Vol.27 No.1
Background/Aims: Direct-acting antivirals (DAAs) have been approved for hepatitis C virus (HCV) treatment in patients with end-stage renal disease (ESRD) on hemodialysis. Nevertheless, the complicated comedications and their potential drug-drug interactions (DDIs) with DAAs might limit clinical practice in this special population. Methods: The number, class, and characteristics of comedications and their potential DDIs with five DAA regimens were analyzed among HCV-viremic patients from 23 hemodialysis centers in Taiwan. Results: Of 2,015 hemodialysis patients screened in 2019, 169 patients seropositive for HCV RNA were enrolled (mean age, 65.6 years; median duration of hemodialysis, 5.8 years). All patients received at least one comedication (median number, 6; mean class number, 3.4). The most common comedication classes were ESRD-associated medications (94.1%), cardiovascular drugs (69.8%) and antidiabetic drugs (43.2%). ESRD-associated medications were excluded from DDI analysis. Sofosbuvir/velpatasvir/voxilaprevir had the highest frequency of potential contraindicated DDIs (red, 5.6%), followed by glecaprevir/pibrentasvir (4.0%), sofosbuvir/ledipasvir (1.3%), sofosbuvir/velpatasvir (1.3%), and elbasvir/grazoprevir (0.3%). For potentially significant DDIs (orange, requiring close monitoring or dose adjustments), sofosbuvir/velpatasvir/voxilaprevir had the highest frequency (19.9%), followed by sofosbuvir/ledipasvir (18.2%), glecaprevir/pibrentasvir (12.6%), sofosbuvir/velpatasvir (12.6%), and elbasvir/grazoprevir (7.3%). Overall, lipid-lowering agents were the most common comedication class with red-category DDIs to all DAA regimens (n=62), followed by cardiovascular agents (n=15), and central nervous system agents (n=10). Conclusions: HCV-viremic patients on hemodialysis had a very high prevalence of comedications with a broad spectrum, which had varied DDIs with currently available DAA regimens. Elbasvir/grazoprevir had the fewest potential DDIs, and sofosbuvir/velpatasvir/voxilaprevir had the most potential DDIs. (Clin Mol Hepatol 2021;27:186-196)
Electron Heating and Current Scaling in a GaAs Two-Dimensional Electron System
Po Zhung Chen,Li-Hung Lin,C.T. Liang,D.A. Ritchie,Jing-Han Chen,Jyunn-Ying Lin,M.Y. Simmons 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.6
We present experimental results on hot-carrier phenomena in a GaAs/AlGaAs two-dimensional electron system in the integer and fractional quantum Hall regions. In the integer region at low magnetic fields, a relationship $T_e$ $\sim$ $I^{0.52}$ between the effective carrier temperature $T_e$ and the source-drain current $I$ is obtained from Shubnikov-de Haas (SdH) oscillations at several magnetic fields, 0.2 $\sim$ 0.5 T, and currents, 0.1 $\sim$ 4 $\mu$A. These results are in agreement with results obtained in the current-dependent broadening of resistance peaks in the quantum Hall region of spin-split Landau levels. However, in the fractional region for the filling factor $\nu = 5/3 (B = 7$ T), a power law relationship $T_e$ $\sim$ $I^{0.37}$ is obtained. The difference in exponent may be due to different energy relaxation mechanisms between these two regions.
Cheng-Liang Huang,Hung Ji Huang,Sy-Hann Chen,Yu-Siang Huang,Po-Ching Kao,Yuan-Fong Chou Chau,Hai-Pang Chiang 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.103 No.-
This study used photochemical reduction to successfully synthesize triangular silver nanoplates (TAgNPs)and silver nanodecahedrons (AgNDs) with higher light-absorption and higher light-scattering properties,respectively, for the same wavelength. To analyze the contribution of light-absorption and lightscatteringof silver nanoparticles to the localized surface plasmon resonance (LSPR) effect, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate was doped with TAgNPs or AgNDs at the same concentration(1.17 lg/cm2) and made into polymer light-emitting diodes (PLEDs). According to the current densityvoltageluminancecharacteristics and electroluminescence (EL) spectra, the enhancement factors for currentefficiency and EL intensity for AgND-containing PLEDs were found to be higher than those for PLEDwith TAgNPs by 24.9% and 138%, respectively. This shows that the metal nanoparticles with higher lightscatteringproperty can induce a relatively strong LSPR effect, which possibly gives a hint to design plasmonicphotovoltaic in future.
Feasibility Study of Detecting Eggshell Crack with Thermography
( Jeng-liang Lin ),( Po-ting Chou ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
A nondestructive technology based on thermal imaging, which could be operated in association with the washing and drying procedures in the egg handling process, to detect egg crack was developed in this study. Since there should be a temperature difference between crack and intact area of eggshell due to their thermal characteristics during cooling and heating procedures, thermographic detection could be used to analyze the display effect of egg cracks on thermal images. A set of experimental procedures was conducted to investigate the display effect of egg cracks on thermal images. The experimental parameters consisted of soaking time in water as well as heating temperature and duration for hot air at different speeds. Experimental results indicated that egg cracks could be displayed on thermal images at cooling stage after soaking for 2 minutes and then heating with hot air of temperature 50℃and speed 3.67 m/s for 65 seconds; however, the success rate was merely 60%.
Non-pharmacological Approach in the Management of Functional Dyspepsia
( Yen-po Wang ),( Charles C Herndon ),( Ching-liang Lu ) 대한소화기 기능성질환·운동학회 2020 Journal of Neurogastroenterology and Motility (JNM Vol.26 No.1
Functional dyspepsia (FD) is a common functional gastrointestinal disease which bears a significant burden on society and individuals. Despite the high prevalence of FD, its pathophysiology remains poorly understood and the treatment options are limited and unsatisfactory. In the absence of effective pharmacological treatments for FD, non-pharmacological approaches, including: reassurance, lifestyle modification, psychotherapy, dietary interventions, medical food, acupuncture, and electrical stimulation and modulation are sought after by many physicians and FD patients. In this article, we review clinical studies which investigate nonpharmacological therapies for FD. We will also discuss potential mechanisms involved in the therapeutic effects of these nonpharmacological approaches. Though the evidences to support the routine use of the non-pharmacological management is still lacking, the non-invasive nature and potentially minimal side-effects of these therapies may be attractive in the FD management. In order to confirm the clinical effectiveness of these non-pharmacological approaches, more well-conducted, methodologically rigorous, and large-scaled clinical trials are required.
Liu Gabriel Ka-Po,Tan Jiong Hao,Kong Jun Cheong,Tan Yong Hao Joel,Kumar Nishant,Liang Shen,Shawn Seah Jing Sheng,Ting Chiu Shi,Lim Lau Leok,Dennis Hey Hwee Weng,Kumar Naresh,Thambiah Joseph,Wong Hee-K 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.6
Study Design: A retrospective cohort study of patients with surgically treated thoracolumbar fractures.Purpose: This study aimed to describe the incidence of adverse events (AEs) after surgical stabilization of thoracolumbar spine injuries and to identify predictive factors for the occurrence of AEs. Overview of Literature: Thoracolumbar spine fractures are frequently present in patients with blunt trauma and are associated with significant morbidity. AEs can occur due to the initial spinal injury or secondary to surgical treatment. There is a lack of emphasis in the literature on the AEs that can occur after operative management of thoracolumbar fractures.Methods: We performed a retrospective review of 199 patients with surgically treated thoracolumbar fractures operated between January 2007 and January 2018. The potential risk factors for the development of AEs as well as the development of common complications were evaluated by univariate analysis, and a multivariate logistic regression analysis was performed to identify independent risk factors predictive of the above.Results: The overall rate of AEs was 46.7%; 83 patients (41.7%) had nonsurgical AEs, whereas 24 (12.1%) had surgical adverse events. The most common AEs were urinary tract infections in 43 patients (21.6%), and hospital-acquired pneumonia in 21 patients (10.6%). On multivariate logistic regression, a Thoracolumbar Injury Classification and Severity (TLICS) score of 8–10 (odds ratio [OR], 6.39; 95% confidence interval [CI], 2.33–17.51), the presence of polytrauma (OR, 2.64; 95% CI, 1.17–5.99), and undergoing open surgery (OR, 2.31; 95% CI, 1.09–4.88) were significant risk factors for AEs. The absence of neurological deficit was associated with a lower rate of AEs (OR, 0.47; 95% CI, 0.31–0.70).Conclusions: This study suggests the presence of polytrauma, preoperative American Spinal Injury Association score, and TLICS score are predictive of AEs in patients with surgically treated thoracolumbar fractures. The results might also suggest a role for minimally invasive surgical methods in reducing AEs in these patients.