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Su-Shiang Lee,Wei Yeng Sia,Wei Peng Tan,Chih-Wei Lin 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
The purpose of this study was to investigate the relationship among the service quality, professional competence and loyalty of China tourists visiting Taiwan. A crosssectional survey was used to collect usable data from the China tourists who participate in group tourism to Taiwan. The result indicate that the China tourists felt the service quality of “meal” in Taiwan is the best and good feeling in “professional knowledge” of tour guide. In addition, this study found that the professional competence of tour guide has an intermediary effect between the quality of tourist services and tourist loyalty. The quality of tourism service can positively influence the loyalty of China tourists to Taiwan, meanwhile, the quality of tourism service can positively affect the professional competence of tour guide and the professional competence of tour guide can positively affect the loyalty of China tourists travel to Taiwan. According to the results, the study found that travel agencies should focus on the training of tour guide, which help travel agencies to raise the value of travels product and attract more tourist.
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Tsai-Wei Lin,Chaochin Su,Chun Che Lin 한국정보디스플레이학회 2019 Journal of information display Vol.20 No.4
Perovskite quantum dots (QDs), such as all-inorganic CsPbX3 (X = Cl, Br, and I), are novel fluorescent semiconductor nanocrystals (NCs) that have attracted tremendous attention due to their excellent optical properties and great applications (e.g. display backlights, light-emitting diodes, and photodetectors). The instability and toxicity of lead-based perovskite QDs, however, are intrinsic defects that obstruct their application and commercialization. Poison is released from the lead of the unstable CsPbX3 NCs, which are generally ascribed to the labile surface, ionic character, and metastable structure. In this work, lead-free Cs2SnCl6 perovskite NCs are successfully synthesized via hot injection. Particularly, by controlling the different precursor ratios, phase transition (CsCl to Cs2SnCl6) was clearly observed from X-ray diffraction (XRD) measurements. The Cs2SnCl6 NCs exhibited a highly efficient deep-blue emission at 425 nm, with a 55nm Stokes shift and an 84nm full width at half maximum (FWHM). After doping Mn ions, the preferred formation of CsSnCl3:Mn2+ with double-wavelength emission was demonstrated based on the XRD and photoluminescence spectra. The study showed that doping synthesis should be widely used in lead-free perovskite NCs as an important strategy for next-generation solid-state lighting.
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Naringin and Naringenin Relax Rat Tracheal Smooth by Regulating BKCa Activation
Rui Shi,Jia-Wen Xu,Zi-Ting Xiao,Ruo-Fei Chen,Yi-Lin Zhang,Jia-Bi Lin,Ke-Ling Cheng,Gu-Yi Wei,Pei-Bo Li,Wen-Liang Zhou,Wei-Wei Su 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.9
Naringin and its aglycone, naringenin, occur naturally in our regular diet and traditional Chinese medicines. This study aimed to detect an effective therapeutic approach for cough variant asthma (CVA) through evaluating the relaxant effect of these two bioactive herbal monomers as antitussive and antiasthmatic on rat tracheal smooth muscle. The relaxant effect was determined by measuring muscular tension with a mechanical recording system in rat tracheal rings. Cytosolic Ca2+ concentration was measured using a confocal imaging system in primary cultured tracheal smooth muscle cells. In rat tracheal rings, addition of both naringin and naringenin could concentration dependently relax carbachol (CCh)-evoked tonic contraction. This epithelium-independent relaxation could be suppressed by BaCl2, tetraethylammonium, and iberiotoxin (IbTX), but not by glibenclamide. After stimulating primary cultured tracheal smooth muscle cells by CCh or high KCl, the intracellular Ca2+ increase could be inhibited by both naringin and naringenin, respectively. This reaction was also suppressed by IbTX. These results demonstrate that both naringin and naringenin can relax tracheal smooth muscle through opening big conductance Ca2+-activated K+ channel, which mediates plasma membrane hyperpolarization and reduces Ca2+ influx. Our data indicate a potentially effective therapeutic approach of naringin and naringenin for CVA.
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Su, Chin-Hui,Cheng, Chih-Hsiang,Lin, Jung-Hsin,Liu, Hsiu-Chou,Yu, Yen-Ting,Lin, Chai-Ching,Chen, Wei-Jung Asian Australasian Association of Animal Productio 2021 Animal Bioscience Vol.34 No.11
Objective: The objective of this experiment was to investigate the effects of different colors produced by light emitting diode (LED) on Brown Tsaiya ducks. Methods: A total of 144 female Brown Tsaiya ducks were randomly allocated into three individual cage rearing chambers with different LED illumination colors as treatments. Three different treatments were: i) white color, ii) blue color, and iii) red color. The experiment periods were from ducks 21 to 49 weeks of age, determined traits included i) egg laying performance, ii) feed intake, iii) egg shell breaking strength, iv) egg shell thickness, v) egg Haugh unit, vi) egg weight, vii) serum Estradiol and Progesterone concentration, and viii) behavior pattern. Results: The results indicated that when compared with white and blue color, red color could stimulate ducks sexual maturation and raised the egg laying performance. The red light group was also observed to have the highest feed intake among three treatments. The blue treatment had the lowest egg shell breaking strength and the highest egg weight among three treatments, nevertheless, no significant difference was observed among three treatments on egg shell thickness and egg Haugh unit. The red light group had higher serum estradiol concentration than the white and blue groups, but no significant difference among treatments on the serum Progesterone concentration was found. The results of behavior pattern indicated that red light group showed more feeding and less resting behavior compared to the blue light group. Conclusion: We found a potential of applying red light illumination in the indoor laying duck raising system with positive results on egg laying performance and acceptable egg weight, equivalent egg qualities compared to white and blue light.
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Latest research progress on anticancer effect of baicalin and its aglycone baicalein
Lin Wang,Ting Feng,Zhilian Su,Chao Pi,Yumeng Wei,Ling Zhao 대한약학회 2022 Archives of Pharmacal Research Vol.45 No.8
Cancer, which is a leading cause of deathsaround the world, is characterized by genetic mutationsand epigenetic changes. Baicalin and its aglycone baicalein,the major bioactive fl avones derived from the driedroot of Scutellaria baicalensis Georigi, belong to fl avonoidcompounds. Many studies demonstrated that both of themexhibited remarkable promising anticancer activities. Thisstudy summarized potential anticancer mechanisms of baicalinand baicalein including induction of apoptosis, initiationof cell cycle arrest, suppression of metastasis, induction ofautophagy, and regulation of immunity. Combination strategiesinvolving baicalin or baicalein as chemotherapeuticadjuvants, clinical trial and safety were also discussed. In addition, we compared the diff erence in their anticancereff ects. Interestingly, baicalein showed quicker and strongerinhibitory eff ects on multiple cancers than those of baicalin,probably due to its smaller size and high lipophilicity whichcontribute to fast absorption and improve ability to penetratecells. Taken together, both baicalin and baicalein are eff ectivein treating cancer with good tolerance. However, deglycosylationof baicalin to baicalein was found to have strongeranticancer potential.
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Lin Meng-Ying,Wu Cheng-Lin,Su Yung-Yeh,Huang Chien-Jui,Chang Wei-Lun,Sheu Bor-Shyang 거트앤리버 소화기연관학회협의회 2023 Gut and Liver Vol.17 No.2
Background/Aims: A high-quality sample allows for next-generation sequencing and the administration of more tailored precision medicine treatments. We aimed to evaluate whether heparinized wet suction can obtain higher quality samples than the standard dry-suction method during endoscopic ultrasound (EUS)-guided biopsy of pancreatic masses. Methods: A prospective randomized crossover study was conducted. Patients with a solid pancreatic mass were randomly allocated to receive either heparinized wet suction first or dry suction first. For each method, two needle passes were made, followed by a switch to the other method for a total of four needle punctures. The primary outcome was the aggregated white tissue length. Histological blood contamination, diagnostic performance and adverse events were analyzed as secondary outcomes. In addition, the correlation between white tissue length and the extracted DNA amount was analyzed. Results: A total of 50 patients were enrolled, and 200 specimens were acquired (100 with heparinized wet suction and 100 with dry suction), with one minor bleeding event. The heparinized wet suction approach yielded specimens with longer aggregated white tissue length (11.07 mm vs 7.96 mm, p=0.001) and less blood contamination (p=0.008). A trend towards decreasing tissue quality was observed for the 2nd pass of the dry-suction method, leading to decreased diagnostic sensitivity and accuracy, although the accumulated diagnostic performance was comparable between the two suction methods. The amount of extracted DNA correlated positively to the white tissue length (p=0.001, Spearman̕s ρ=0.568). Conclusions: Heparinized wet suction for EUS tissue acquisition of solid pancreatic masses can yield longer, bloodless, DNA-rich tissue without increasing the incidence of adverse events (ClinicalTrials.gov. identifier NCT04707560).
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Wei Bin,Guo Ying,Ou Xiaoqi,Lin Liyan,Su Zhenzhen,Li Lixin,Wu XiaoJuan,Cai Bei 대한진단검사의학회 2023 Annals of Laboratory Medicine Vol.43 No.5
Background: There is no standard cut-off value of serum IgG4 concentration and serum IgG4/total IgG ratio for the diagnosis of IgG4-related disease (IgG4-RD) or as a marker of treatment responses. We aimed to explore this issue through a retrospective cohort analysis of adults in southwest China. Methods: The diagnostic performance of serum IgG4 concentration and IgG4/IgG ratio for IgG4-RD was evaluated in a retrospective analysis of 177 adults newly diagnosed as having IgG4-RD and 877 adults without IgG4-RD. Dynamic analysis was performed to evaluate the significance of serum IgG4 concentration on IgG4-RD treatment responses. Results: The serum IgG4 concentration differed according to sex. The optimal cut-off values of serum IgG4 concentration and IgG4/IgG ratio for IgG4-RD diagnosis were 1.92 g/L and 0.12 in males and 1.83 g/L and 0.11 in females, respectively. For patients with serum IgG4 concentration >2.01 g/L, the cut-off values in the total population were >3.00 g/L and 0.19, respectively. The median serum IgG4 concentration decreased over time, and the decrease rate increased over time. The serum IgG4 concentration significantly decreased at >1 week post-treatment (P=0.004), and the median decrease rate was close to 50% at >4 weeks post-treatment. Conclusions: Serum IgG4 can be a good indicator for IgG4-RD diagnosis; however, different diagnostic cut-off values should be determined according to sex. The decreasing rate is more conducive than the serum IgG4 concentration to monitor treatment efficacy. The IgG4/IgG ratio did not improve the diagnostic efficacy for IgG4-RD.
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Application of modified graphite felt as electrode material: a review
Yang Su,Na Chen,Hai‑lin Ren,Cheng‑wei Li,Li‑li Guo,Zhen Li,Xiao‑min Wang 한국탄소학회 2023 Carbon Letters Vol.33 No.1
Graphite felt is a felt-like porous material made of high-temperature carbonized polymers. It is widely used in electrode materials because of its good temperature resistance, corrosion resistance, large surface area and excellent electrical conductivity. In this paper, the surface functional group modification is of graphite felt electrodes (mainly nitrogen doping modification, nitrogen–sulfur or nitrogen–boron co-doping modification) and surface catalytic modification (metal/ion surface modification and metal oxide surface modification as Main). There are two main methods and research progresses to improve the performance of graphite felt electrodes, and the comprehensive performance of surface functional group-modified graphite felt electrodes and surface catalytically modified graphite felt electrodes are compared respectively. The results show that both surface functional group modification and surface catalytic modification can improve the comprehensive performance of graphite felt electrodes. In this paper, the future development direction of graphite felt activation modification is also prospected.
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