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Full Endoscopic Removal of Cervical Spinal Epidural Abscess: Case Report and Technical Note
Kai-Sheng Chang,Li-Wei Sun,Chun-Yuan Cheng,Shang-Wen Chang,Chien-Min Chen 대한척추신경외과학회 2020 Neurospine Vol.17 No.sup.
Spinal epidural abscess is a rare disease that is less likely to occur in the cervical region. When it occurs here, cervical spondylodiscitis can develop. Surgical treatment is recommended because of possible life-threatening septic and neurological complications. We present a case of an 81-year-old man who suffered from right side paralysis and was subsequently diagnosed with a C4 to C7 epidural abscess. We utilized full endoscopic surgery for patient management. The traditional surgical methods for treating cervical epidural abscesses may cause spinal instability. There has only been one previous case report on the endoscopic-assisted method. Minimal invasive surgery by a full endoscopic method can be done with a small incision and is associated with minimal blood loss and muscle damage. This is the first report on cervical epidural abscess drainage utilization a full endoscopic method. We recommend this alternative minimally invasive method to manage cervical epidural abscess.
Chern-Sheng Lin,Jen Min Tsai,Kai-Sheng Chen,Yun-Long Lay,Nin-Chun Chang 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
In this paper an automatic optical inspection system for the advanced fiber coupler assembly manufacturing process is presented. Coupling efficiency variations were compared with axial displacement. The main standard components of light peak fiber couplerswere used in the experiment to determine the corresponding offset and position of the optimal optical coupling efficiency in order toachieve a positioning effect. This study used the parameters of lens curvature, focal length and light source for validation using opticaldesign software. An infrared CCD camera was used to extract the coupled light spot images. The curve fitting method and couplingsimulation database were used for image processing and to calculate optimal coupling efficiency. Under optimal coupling efficiency,the minimum amount of movement of the translation stages was used to calculate the offset of each axle or the coupling efficiencywhen tilted. Moreover, a coupling efficiency database was established. The optical axle center offset in the alignment was calculatedby comparing the data in the database. Finally, the optical axle center offset or tilt direction was identified through the program toachieve the position of optimal coupling efficiency.
<i>In silico</i> analyses for the discovery of tuberculosis drug targets
Chung, Bevan Kai-Sheng,Dick, Thomas,Lee, Dong-Yup Oxford University Press 2013 The Journal of antimicrobial chemotherapy Vol.68 No.12
<P>Antibacterial drug discovery is moving from largely unproductive high-throughput screening of isolated targets in the past decade to revisiting old, clinically validated targets and drugs, and to classical black-box whole-cell screens. At the same time, due to the application of existing methods and the emergence of new high-throughput biology methods, we observe the generation of unprecedented qualities and quantities of genomic and other omics data on bacteria and their physiology. Tuberculosis (TB) drug discovery and biology follow the same pattern. There is a clear need to reconnect antibacterial drug discovery with modern, genome-based biology to enable the identification of new targets with high confidence for the rational discovery of new drugs. To exploit the increasing amount of bacterial biology information, a variety of <I>in silico</I> methods have been developed and applied to large-scale biological models to identify candidate antibacterial targets. Here, we review key concepts in network analysis for target discovery in tuberculosis and provide a summary of potential TB drug targets identified by the individual methods. We also discuss current developments and future prospects for the application of systems biology in the field of TB target discovery.</P>
Shu-Tsen Liu(Shu-Tsen Liu),Sheng-Che Lin(Sheng-Che Lin),Jane Pei-Chen Chang(Jane Pei-Chen Chang),Kai-Jie Yang(Kai-Jie Yang),Che-Sheng Chu(Che-Sheng Chu),Chia-Chun Yang(Chia-Chun Yang),Chih-Sung Liang( 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.1
There is growing evidence that the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is associated with increased risks of psychiatric sequelae. Depression, anxiety, cognitive impairments, sleep disturbance, and fatigue during and after the acute phase of COVID-19 are prevalent, long-lasting, and exerting negative consequences on well-being and imposing a huge burden on healthcare systems and society. This current review presented timely updates of clinical research findings, particularly focusing on the pathogenetic mechanisms underlying the neuropsychiatric sequelae, and identified potential key targets for developing effective treatment strategies for long COVID. In addition, we introduced the Formosa Long COVID Multicenter Study (FOCuS), which aims to apply the inflammation theory to the pathogenesis and the psychosocial and nutrition treatments of post-COVID depression and anxiety.
Fixed Charge Transportation Problem and Its Uncertain Programming Model
Sheng, Yuhong,Yao, Kai Korean Institute of Industrial Engineers 2012 Industrial Engineeering & Management Systems Vol.11 No.2
In this paper, we study the fixed charge transportation problem with uncertain variables. The fixed charge transportation problem has two kinds of costs: direct cost and fixed charge. The direct cost is the cost associated with each source-destination pair, and the fixed charge occurs when the transportation activity takes place in the corresponding source-destination pair. The uncertain fixed charge transportation problem is modeled on the basis of uncertainty theory. According to inverse uncertainty distribution, the model can be transformed into a deterministic form. Finally, in order to solve the uncertain fixed charge transportation problem, a numerical example is given to show the application of the model and algorithm.
( Kai Chun Wu ),( Zhi Hua Ran ),( Xiang Gao ),( Minhu Chen ),( Jie Zhong ),( Jian Qiu Sheng ),( Michael A Kamm ),( Simon Travis ),( Kori Wallace ),( Nael M Mostafa ),( Marisa Shapiro ),( Yao Li ),( Ro 대한장연구학회 2016 Intestinal Research Vol.14 No.2
Background/Aims: This was a Phase 2 study (NCT02015793) to evaluate the pharmacokinetics, safety, and efficacy of adalimumab in Chinese patients with Crohn`s disease (CD). Methods: Thirty, adult Chinese patients with CD (CD Activity Index [CDAI] 220-450; high-sensitivity [hs]-C-reactive protein [CRP] ≥3 mg/L) received double-blind adalimumab 160/80 mg or 80/40 mg at weeks 0/2, followed by 40 mg at weeks 4 and 6. An open-label extension period occurred from weeks 8-26; patients received 40 mg adalimumab every other week. Serum adalimumab concentration and change from baseline in fecal calprotectin (FC) were measured during the double-blind period. Clinical remission (CDAI <150), response (decrease in CDAI ≥70 points from baseline), and change from baseline in hs-CRP were assessed through week 26. Nonresponder imputation was used for missing categorical data and last observation carried forward for missing hs-CRP/FC values. No formal hypothesis was tested. Adverse events were monitored. Results: Mean adalimumab serum concentrations during the induction phase were 13.9-18.1 μg/mL (160/80 mg group) and 7.5-9.5 μg/mL (80/40 mg group). During the double-blind period, higher remission/ response rates and greater reductions from baseline in hs-CRP and FC were observed with adalimumab 160/80 mg compared to that with 80/40 mg. Adverse event rates were similar among all treatment groups. Conclusions: Adalimumab serum concentrations in Chinese patients with CD were comparable to those observed previously in Western and Japanese patients. Clinically meaningful remission rates and improvement in inflammatory markers were achieved with both dosing regimens; changes occurred rapidly with adalimumab 160/80 mg induction therapy. No new safety signals were reported. (Intest Res 2016;14:152-163)
( Kai Zhi Xie ),( Pei Zhi Xu ),( Shao Hai Yang ),( Yu Sheng Lu ),( Rui Ping Jiang ),( Wen Jie Gu ),( Wen Ying Li ),( Li Li Sun ) 한국미생물 · 생명공학회 2015 Journal of microbiology and biotechnology Vol.25 No.5
Cold water paddy field soils are relatively unproductive, but can be ameliorated by supplementing with inorganic fertilizer from animal waste-based composts. The yield of two rice cultivars was significantly raised by providing either chicken manure or cow dung-based compost. The application of these composts raised the soil pH as well as both the total nitrogen and ammonium nitrogen content, which improved the soil’s fertility and raised its nitrification potential. The composts had a measurable effect on the abundance of nitrogencycling- related soil microbes, as measured by estimating the copy number of various bacterial and archaeal genes using quantitative real-time PCR. The abundance of ammonia oxidizing archaea and bacteria was markedly encouraged by the application of chicken manure-based compost. Supplementation with the composts helped promote the availability of soil nitrogen in the cold water paddy field, thereby improving the soil’s productivity and increasing the yield of the rice crop.
Kai Jeat Hong,Sin Tee Tan,Kok-Keong Chong,리 호 뱅,Riski Titian Ginting,Fang Sheng Lim,Chi Chin Yap,Chun Hui Tan,Wei Sea Chang,Mohammad Hafizuddin Hj Jumali 한국물리학회 2018 Current Applied Physics Vol.18 No.12
Charge transport dynamics in ZnO based inverted organic solar cell (IOSC) has been characterized with transient photocurrent spectroscopy and localised photocurrent mapping-atomic force microscopy. The value of maximum exciton generation rate was found to vary from 2.6×1027m−3s−1 (Jsat=79.7 Am−2) to 2.9×1027m−3s−1 (Jsat=90.8 Am−2) for devices with power conversion efficiency ranging from 2.03 to 2.51%. These results suggest that nanorods served as an excellent electron transporting layer that provides efficient charge transport and enhances IOSC device performance. The photovoltaic performance of OSCs with various growth times of ZnO nanorods have been analysed for a comparison between AM1.5G spectrum and local solar spectrum. The simulated PCE of all devices operating under local spectrum exhibited extensive improvement with the gain of 13.3–13.7% in which the ZnO nanorods grown at 15 min possess the highest PCE under local solar with the value of 2.82%.