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The Optical Measurement and Quantitative Analysis of Algesia in Spodoptera litura Larva
Ying-Yun Chen,Rong-Seng Chang,Mi-Yin Tsai,Der-Chin Chen 한국광학회 2015 Current Optics and Photonics Vol.19 No.2
Muscle vibration measurement has long been an unique scientific study, in general, and the directreaction of animals to feel pain (algesia), either from vascular or muscle contraction, is a complexperceptual experience. Thus this paper proposes a way to measure animal algesia quantitatively, bymeasuring the changes in muscle vibration due to a pinprick on the surface of the skin of a Spodopteralitura larva. Using the laser optical triangulation measurement principle, along with a CMOS image sensor,linear laser, software analysis, and other tools, we quantify the subtle object point displacement, with aprecision of up to 10 μm, for our chosen Spodoptera litura larva animal model, in which it is not easyto identify the tiny changes in muscle contraction dynamics with the naked eye. We inject differentconcentrations of formalin reagent (empty needle, 12% formalin, and 37% formalin) to obtain a varietyof different muscle vibration frequencies as the experimental results. Because of the high concentrationsof reagent applied, we see a high frequency shift of muscle vibration, which can be presented as painindices, so that the algesia can be quantified
Tsai, Huang-Wen,Hsieh, Fu-Chien,Chang, Chih-Chun,Su, Ming-Jang,Chu, Fang-Yeh,Chen, Kuo-Hsin,Jeng, Kuo-Shyang,Chen, Yun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.17
Background: Orthotopic organ transplantation, a treatment option for irreversible organ dysfunction according to organ failure, severe damaged organ or malignancy in situ, was usually accompanied with massive blood loss thus transfusion was required. We aimed to evaluate the adverse impact of blood transfusion on solid organ transplantation. Materials and Methods: From January, 2009 to December, 2014, patients who received orthotopic organ transplantation at Far Eastern Memorial Hospital medical center were enrolled. Clinical data regarding anemia status and red blood cell (RBC) transfusion before, during and after operation, as well as patient outcomes were collected for further univariate analysis. Results: A total of 105 patients who underwent orthotopic transplantation, including liver, kidney and small intestine were registered. The mean hemoglobin (Hb) level upon admission and before operation were $11.6{\pm}1.8g/dL$ and $11.7{\pm}1.7g/dL$, respectively; and the nadir Hb level post operation and the final Hb level before discharge were $8.3{\pm}1.6g/dL$ and $10.2{\pm}1.6g/dL$, respectively. The median units (interquartile range) of RBC transfusion in pre-operative, peri-operative and post-operative periods were 0 (0-0), 2 (0-12), and 2 (0-6) units, respectively. Furthermore, the median (interquartile range) length of hospital stay (LHS) from admission to discharge and from operation to discharge were 28 (17-44) and 24 (16-37) days, respectively. Both peri-operative and post-operative RBC transfusion were associated with longer LHS from admission to discharge and from operation to discharge. Furthermore, it increased the risk of post-operative septicemia. While peri-operative RBC transfusion elevated the risk of acute graft rejection in patients who received orthotopic transplantation. Conclusions: Worse outcome could be anticipated in those who had received massive RBC transfusion in transplantation operation. Hence, peri-operative RBC transfusion should be avoided as much as possible.
Yun-Chieh Tsai,Yu-Chen Lin,Chun-Chih Huang,Oliver B. Villaflores,Tzong-Yuan Wu,Shih-Ming Huang,Ting-Yu Chin 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.5
Aging and lifestyle factors, including high-sugar and high-fat diets, promote a systemic metabolic imbalance that promotes neurodegeneration. Hericium erinaceus has long been used in traditional Chinese medicine. Recently, its functional activities, such as antimetabolic dysfunction, antineuroinflammatory activities, and stimulation of nerve growth factor (NGF) synthesis, have been revealed. This study demonstrated that Hericium erinaceus mycelium (HEM) and an isolated diterpenoid derivative, erinacine A (EA), may reverse spatial learning disabilities in aging mice (15 months old) fed with a high-fat and high-sucrose diet (HFSD). Aging mice were randomly assigned to one of four treatment groups: (1) a chow diet (control), (2) an HFSD, and an HFSD supplemented with either (3) HEM or (4) EA for 18 weeks. The Morris water maze (MWM) and Y-maze were used for behavioral assessments. Both HEM- and EA-treated mice had shorter mean daily escape latencies than HFSD-treated mice in the MWM. In addition, HEM-treated mice had a slightly increased exploratory time and frequency in the novel arm in the Y-maze. Quantitative PCR revealed that both HEM- and EA-treated mice exhibited reduced messenger RNA (mRNA) expression of tumor necrosis factor-α, interleukin-1β, and HEM-treated mice exhibited increased mRNA expression of NGF and NeuN in the hippocampus. Moreover, HEM and EA also decreased body weight, abdominal fat, plasma glucose, serum and liver total cholesterol, and liver triacylglycerol. Thus, HEM may be a potential health-promoting supplement for minimizing the progression of aging and obesity-induced neurodegeneration by reducing metabolic abnormalities and neuroinflammatory cytokines and increasing neurogenesis factors.
Clinical Features of Patients with Esophageal and Second Primary Cancers
Tsai, Huang-Wen,Chang, Chih-Chun,Sun, Jen-Tang,Liou, Ching-Biau,Lin, Hsiu-Chen,Lin, I-Hsin,Yu, Yun-Chieh,Weng, Wei-Ling,Leong, Ka-I,Yen, Tzung-Hai,Wu, Jiann-Ming Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.22
Background: The prevalence of esophageal cancer (EC) with second primary cancers (SPC) is increasing worldwide. This study was aimed to understand the clinical features of EC patients with SPC in the Taiwanese population. Materials and Methods: Clinical and laboratory data for 180 EC patients with or without SPC were collected between January 2009 and December 2013. Information on treatment approaches, location of SPCs and ABO blood type were also collected and stratified. Results: The most common SPC in EC patients was hypopharyngeal cancer, followed by laryngeal cancer and hepatocellular carcinoma in our study. Malignancies of colon, prostate and lung were also found. There was a significant higher portion of blood type A in the EC patients with SPC compared with those without (42.4% vs 19.5%, P=0.006). Conclusions: The frequency and SPC site distribution and blood type A should be considered in clinical evaluation of EC patients with a high risk of developing SPC in the Taiwanese population.
Predicting the Anthocyanin Content of Kyoho Grapes by Nir Spectroscopy
( Si-yun Wang ),( Suming Chen ),( Chao-yin Tsai ),( Han-chun Hsu ),( Yung-huei Chang ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Kyoho grapes are in dark purple color. Anthocyanin plays a major role on the colors of berries, and contains antioxidant, anti-inflammatory, anticancer substance. The method of inspecting Anthocyanins so far is by either visual or destructive technique of using chemicals, but these methods could not carry out real-time accurate inspection. The aim of this study was to demonstrate the feasibility of non-destructive inspection in predicting Anthocyanin content by near-infrared spectroscopy. This study used the NIRS 6500 spectrometer ranged from 400 to 2500 nm. The prediction model of Anthocyanin content of Kyoho grapes was established by near-infrared spectroscopy and concentration of Anthocyanin. The results of this study showed the reliability and feasibility of near-infrared spectroscopy on predicting the Anthocyanin content of grapes. In the future, the Anthocyanin content can be quickly predicted by spectroscopic techniques.
Composite electrolyte pastes for preparing sub-module dye sensitized solar cells
Shanmuganathan Venkatesan,Yun-Yu Chen,Chung-Yu Chien,Ming-Hsiang Tsai,Hsisheng Teng,Yuh-Lang Lee 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.107 No.-
In this study, high-efficiency sub-module quasi-solid-state (QS) dye-sensitized solar cells (DSSCs) are preparedusing silicon dioxide (SiO2) nanofiller and polyethylene oxide (PEO)-based iodide composite electrolytepastes. The influence of various amounts of nanofiller on the ionic conductivity, ion diffusioncoefficient, and the performance of the devices are explored. The addition of SiO2 decreases the ion transportproperties in the plain polymer electrolyte pastes. X-ray photoelectron spectroscopy analysis confirmsthe adsorption of polyiodide and lithium ions on the surface of the SiO2. This effect causes areduction in the concentration of ions near the photoelectrode. As a result, the QS-DSSCs using 1 wt.%SiO2 nanofillers have higher recombination resistance and a longer electron lifetime than the otherDSSCs. Therefore, high open-circuit voltage (0.794 V) and high efficiency (8.83%) are obtained for the correspondingQS-DSSCs. This efficiency is much better than the efficiencies of the devices employing thepristine polymer electrolyte paste and liquid electrolytes. This composite electrolyte paste is employedto prepare QS-sub-module cells. The four strip and rectangular-shaped module cells have high efficienciesof 4.71% and 4.81%, respectively. QS-DSSCs using 1 wt.% SiO2 nanofillers show high stability at bothroom temperature and 60 C.
Ying-Ying Hung,Yun-Ching Fu,Hao-Ji Wei,I-Chen Tsai,Clayton Chi-Chang Chen 대한영상의학회 2013 Korean Journal of Radiology Vol.14 No.5
Double aortic arch with an atretic left arch distal to the origin of left subclavian artery was diagnosed with multidetector row computed tomography (MDCT) in two children with dysphagia. This rare type of complete vascular ring is clinically important because it may be confused with right aortic arch in mirror imaging. Anatomic details of this rare type of complete vascular ring demonstrated on MDCT facilitated appropriate surgical treatment.