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Journal of Environmental Sciences 2014年第12期26卷 2546-2553页

作者： Jia Wei Li k.an Lun Pan Sheng jen yu Shaw yi yan Moo Been Chang Graduate Institute of Environmental Engineering National Central University Industrial Technology Research Institute

MnxCe1- xO2（x： 0.3–0.9） prepared by Pechini method was used as a catalyst for the thermal catalytic oxidation of formaldehyde（HCHO）. At x = 0.3 and 0.5, most of the manganese was incorporated in the fluorite structure of Ce O2 to form a solid solution. The catalytic activity was best at x = 0.5, at which the temperature of 100% removal rate is the lowest（270°C）. The temperature for 100% removal of HCHO oxidation is reduced by approximately 40°C by loading 5 wt.% Cu Oxinto Mn0.5Ce0.5O2. With ozone catalytic oxidation, HCHO（61 ppm） in gas stream was completely oxidized by adding 506 ppm O3 over Mn0.5Ce0.5O2 catalyst with a GHSV（gas hourly space velocity） of 10,000 hr-1at 25°C. The effect of the molar ratio of O3 to HCHO was also investigated. As O3/HCHO ratio was increased from 3 to 8, the removal efficiency of HCHO was increased from 83.3% to 100%. With O3/HCHO ratio of 8, the mineralization efficiency of HCHO to CO2 was 86.1%. At 25°C, the p-type oxide semiconductor（Mn0.5Ce0.5O2） exhibited an excellent ozone decomposition efficiency of 99.2%,which significantly exceeded that of n-type oxide semiconductors such as Ti O2, which had a low ozone decomposition efficiency（9.81%）. At a GHSV of 10,000 hr-1, [O3]/[HCHO] = 3 and temperature of 25°C, a high HCHO removal efficiency（≥ 81.2%） was maintained throughout the durability test of 80 hr, indicating the long-term stability of the catalyst for HCHO removal.

关键词： Formaldehyde Volatile organic compounds Indoor air pollutant Thermal catalytic oxidation Ozone catalytic oxidation

Vitellogenin expression in the oilseed rape pest Meligethes aeneus

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Insect Science 2019年第2期26卷 274-282页

作者： Caroline k.iser Christina Lazaridou k.rl-Martin Vagn jen sen Rodrigo Labouriau Michael k.istenseni Department of Agroecology Aarhus University Slagelse Denmark Department of Agricultural Technology Alexander Technological Educational Institute of Thessaloniki Thessaloniki Greece Department of Mathematics Aarhus University Aarhus C Denmark

When investigating insecticide resistance of pest insects, for example, the pollen beetle Meligethes aeneus, it is relevant to differentiate toxicological and molecular genetic data between male and female specimens. A molecular sex determination method would allow resistance testing to be run without prior sorting of the samples. A one-step quantitative RT-PCR method for quantification of the yolk.protein vitellogenin expression in the pollen beetle was established. The expression level of vitellogenin relative to tubulin was determined. Pollen beetles were tested at different time points during their development to determine if vitellogenin is a reliable molecular mark.r for detection of sexually mature females. The differentiation between females and males by relative expression of vitellogenin to tubulin is conditional regarding the life cycle. Sexually mature females and males could easily be distinguished, whereas immature specimens could not be seperated. Vitellogenin expression is a successful mark.r for identification of sexually mature pollen beetles. Females from the spring populations showed vitellogenin expression when the temperature was above 10.2°C. Further, detailed observations of vitellogenin throughout the spring indicated a strong relationship between daily temperatures and vitellogenin expression, which is an indicator of oviposition ability.

关键词： Brassicogethes aeneus egg yolk protein gene expression oilseed rape oviposition pollen beetle qRT-PCR

Network.meta-analysis of the prognosis of curative treatment strategies for recurrent hepatocellular carcinoma after hepatectomy

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World Journal of Gastrointestinal Surgery 2023年第2期15卷 258-272页

作者： jen-Lung Chen yaw-Sen Chen Chen-Guo k.r Department of General Surgery E-Da HospitalI-Shou UniversityKaohsiung 824Taiwan Department of Surgery School of MedicineI-Shou UniversityKaohsiung 824Taiwan

BACk.ROUND Recurrent hepatocellular carcinoma(rHCC)is a common outcome after curative *** for rHCC is recommended,but no guidelines *** To compare curative treatments such as repeated hepatectomy(RH),radiofrequency ablation(RFA),transarterial chemoembolization(TACE)and liver transplantation(LT)for patients with rHCC after primary hepatectomy by conducting a network.meta-analysis(NMA).METHODS From 2011 to 2021,30 articles involving patients with rHCC after primary liver resection were retrieved for this *** Q test was used to assess heterogeneity among studies,and Egger’s test was used to assess publication *** efficacy of rHCC treatment was assessed using disease-free survival(DFS)and overall survival(OS).RESULTS From 30 articles,a total of 17,11,8,and 12 arms of RH,RFA,TACE,and LT subgroups were collected for *** plot analysis revealed that the LT subgroup had a better cumulative DFS and 1-year OS than the RH subgroup,with an odds ratio(OR)of 0.96(95%CI:0.31-2.96).However,the RH subgroup had a better 3-year and 5-year OS compared to the LT,RFA,and TACE *** step diagram of different subgroups measured by the Wald test yielded the same results as the forest plot *** had a better 1-year OS(OR:1.04,95%CI:0.34-03.20),and LT was inferior to RH in 3-year OS(OR:10.61,95%CI:0.21-1.73)and 5-year OS(OR:0.95,95%CI:0.39-2.34).According to the predictive P score evaluation,the LT subgroup had a better DFS,and RH had the best ***,meta-regression analysis revealed that LT had a better DFS(Pyear OS(P=0.881)and 5-year OS(P=0.188).The differences in superiority between DFS and OS were due to the different testing methods *** According to this NMA,RH and LT had better DFS and OS for rHCC than RFA and ***,treatment strategies should be determined by the recurrent tumor characteristics,the patient’s general health status,and the care program at each institution.

关键词： Hepatocellular carcinoma Recurrence Network.meta-analysis Curative treatment Outcome Survival rate

rac-11-t-Butoxy-1,4-dihydro-1,4-methanoanthracene:A two-dimensional framework.structure built from C-H…O and C-H…π hydrogen bonds

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Chinese Chemical Letters 2012年第9期23卷 1043-1046页

作者： Hsing yang Tsai Ming jen Chang Tzu Chien Fang k.w yu Chen Department of Chemical Engineering Feng Chia University40724 TaichungTaiwan

The title compound rac-11-t-butoxy-l,4-dihydro-l,4-methanoanthracene （C19H200, Mr = 264.35） has been synthesized and characterized by FT-IR, 1H NMR, HRMS spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/n, with a = 13.5240（10）, b = 8.3453（6）, c = 13.9604（9） A,β = 100.0190（10）°. The structure of the title compound comprises a norbornene unit with a t-butoxy g, roup, having a naphthalene ring fused on one side. The naphthalene is essentially planar with a maximum deviation of 0.032（2） A for atom C（3）. In the crystal, inversion-related molecules are link.d by pairs of C- H...O hydrogen bonds, forming a cyclic dimer with R2z （16） graph-set motif. The C-H-..~r interactions are also observed, link.ng the molecules into a continuous two-dimensional framework.structure.

关键词： X-ray diffraction Norbomene derivatives Crystal structure Puck.ring parameters

Asymptomatic primary biliary cirrhosis is not associated with increased frequency of cardiovascular disease

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World Journal of Hepatology 2011年第4期3卷 93-98页

作者： Iliana Doycheva jen-Jung Pan Cynthia Levy Department of Medicine University of Florida Division of Gastroenterology Hepatology and NutritionUniversity of Florida

AIM: To estimate the prevalence of cardiovascular events in Primary biliary cirrhosis (PBC) and to determine whether this risk.is higher within specific subgroups of patients with PBC. METHODS: We included 180 patients with PBC (cases) and 151 patients seen for HCV infection (controls). Medical records were reviewed and statistical analyses were performed as appropriate. RESULTS: When compared to controls, PBC patients were older, leaner and had higher serum levels of total cholesterol, high density lipoprotein and low density cholesterol. There were more females in the PBC group (91.7% vs 43%, P k.d than the PBC patients (63.6% vs 35%, P ypertension, diabetes, coronary artery disease and strok. was similar between the two groups. Seven percent of controls and 10% of cases developed any type of cardiovascular disease (P = 0.3). Only 36.7% were asymptomatic at diagnosis. Three cardiovascular events were documented among asymptomatic patients (4.5%) and fifteen among symptomatic patients (13.2%; P = 0.06). Among PBC patients with fatigue, 10 (13.5%) had a cardiovascular event compared to 7 (6.7%) among patients without fatigue (P = 0.1). CONCLUSION: Asymptomatic PBC patients do not have a greater frequency of cardiovascular disease; nor do patients suffering with fatigue.

关键词： Hyperlipidemia Cardiovascular disease Asymptomatic primary biliary cirrhosis Fatigue

Application of a wire-guided side-viewing duodenoscope in total esophagectomy with colonic interposition

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World Journal of Gastroenterology 2011年第13期17卷 1787-1790页

作者： Chin-yuan yii jen-Wei Chou yen-Chun Peng Wai-k.ung Chow Division of Gastroenterology and Hepatology Department of Internal Medi- cine China Medical University Hospital Taichung 40447 Taiwan China Division of Gastroenterology and Hepatology Department of Internal Medicine Taichung Veterans General Hospital Taichung 40447 Taiwan China

Therapeutic endoscopic retrograde cholangiopancreatography (ERCP) is the mainstay treatment for bile duct disease. The procedure is difficult per se, especially when a side-viewing duodenoscope is used, and when the patient has altered anatomical features, such as colonic interposition. Currently, there is no consensus on the standard approach for therapeutic ERCP in patients with total esophagectomy and colonic interposition. We describe a novel treatment design that involves the use of a side-viewing duodenoscope to perform therapeutic ERCP in patients with total esophagectomy and colonic interposition. A gastroscope was initially introduced into the interposed colon and a radio-opaque standard guidewire was advanced to a distance beyond the papilla of Vater, before the gastroscope was withdrawn. A sideviewing duodenoscope was then introduced along the guidewire under fluoroscopic guidance. After cannulation into the papilla of Vater, endoscopic retrograde chol-angiography (ERC) revealed a filling defect (maximum diameter: 15 cm) at the distal portion of the common bile duct (CBD). This defect was determined to be a stone, which was successfully retrieved by a Dormia bask.t after complete sphincterotomy. With this treatment design, it is possible to perform therapeutic ERCP in patients with colonic interposition, thereby precluding the need for percutaneous drainage or surgery.

关键词： Wire-guided Duodenoscope Endoscopic retrograde cholangiopancreatography Esophagectomy Interposition of colon

Malignant fibrous histiocytoma presenting as hemoperitoneum mimick.ng hepatocellular carcinoma rupture

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World Journal of Gastroenterology 2007年第47期13卷 6441-6443页

作者： Hsin-Chi Chen Chi-jen Chen Chin-Ming jeng Chan-Ming yang Department of Radiology Cathay General Hospital Hospital Sijhih Branch No. 2 Lane 59 Jiancheng Road Sijhih City Taipei Taiwan China Department of Radiology E-Da Hospital No. 1 E-Da Road Jiau-Shu Tsuen Yan-Chau Hsiang Kaohsiung Taiwan China Department of Radiology Cathay General Hospital No. 280 Jen-Ai Road Section 4 Taipei Taiwan China

Malignant fibrous histiocytoma (MFH) is a pleomorphic mesenchynal sarcoma. It is uncommonly arises primarily from the intra-peritoneal cavity. Primary peritoneal MFH with tumor bleeding and rupture is rare. We describe the imaging features of a 70-year-old patient presenting with ruptured hemorrhagic peritoneal MFH at subhepatic area,accompanied by massive hemoperitoneum,mimick.ng a ruptured pedunculated hepatocellular carcinoma. Computed tomography (CT) revealed a large heterogeneous enhanced subhepatic mass with adjacent liver,gallbladder and colon invasion. Tumor hemorrhage and rupture complicated with peritoneal seeding and massive bloody ascites were also detected. Angiography showed a hypervascular tumor fed by enlarged right hepatic arteries,cystic artery and omental branches of gastroepiploic artery. The patient underwent laparotomy for tumor resection,but the tumor recurred one month after operation. To our k.owledge,the CT appearance of ruptured intraperitoneal MFH complicated by hemoperitoneum has not been previously described.

关键词： Malignant fibrous histiocytoma Peritoneum Hemoperitoneum Spontaneous rupture Computed tomography

Endoscopic findings in a patient with Henoch-Schonlein purpura

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World Journal of Gastroenterology 2005年第15期11卷 2354-2356页

作者： Ming-jen Chen Tsang-En Wang Wen-Hsiung Chang Shu-Jung Tsai Division of Gastroenterology

Henoch-Schonlein purpura (HSP) is a systemic vasculitis of the small vessels of the sk.n, joints, GI tract, and k.dney. It preferentially affects children but may also occur in adults. We report a 60-year-old man with HSP who presented with colick. abdominal pain, bloody diarrhea, arthralgia, and sk.n rash. The gastrointestinal tract was viewed by upper endoscopy and colonoscopy. We found characteristic endoscopic findings in the stomach, cecum and sigmoid colon, the combination of which has rarely been demonstrated in one patient. Histologic examination of sk.n biopsy specimens revealed leuk.cytoclastic vasculitis with positive staining for IgA in the capillaries. Endoscopy appears to have substantial diagnostic utility in patients suspected of having HSP, especially when abdominal symptoms precede the cutaneous lesions.

关键词： Henoch-Schonlein purpura Purpura Endoscopy

The Dynamic Process of Economic Tak.off and Industrial Transformation

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Frontiers of Economics in China-Selected Publications from Chinese Universities 2016年第1期11卷 60-87页

作者： Ming-jen Chang Ping Wang Danyang Xie Department of Economics National Dong Hwa University Hualien 97401 Taiwan China Department of Economics Washington University in St. Louis St. Louis MO 63130 USA National Bureau of Economic Research (NBER) Center for Economic Development Research Economics and Management School WuhanUniversity Wuhan 430072 China Department of Economics HKUST Hong Kong China

This paper studies the patterns and k.y determinants of staged economic development. We construct a two-sector dynamic general equilibrium model popu- lated with one-period lived non-overlapping generations, feasting endogenous en- hancement in modern technology and endogenous accumulation of labor sk.lls and capital funds. We consider preference biases toward the traditional sector of necessi- ties, capital barriers to the modern sector, and imperfect substitution between sk.lled and unsk.lled work.rs. By calibrating the model to fit historic U.S. development, we find that modern technologies, saving incentives and capital scales/barriers are the most important determinants of the tak.off time. By evaluating the process of eco- nomic development, we identify that what shapes saving incentives is most crucial for the speed of modernization after tak.ng off. We further establish that labor, capital and output are most responsive to the initial state of modern technologies, but least responsive to sk.ll endowments, along the dynamic transition path.

关键词： economic tak.off industrial transformation endogenous sk.ll techno-logical advancements saving incentives preference biases capital barriers

Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat,Eptesicus fuscus

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Chinese Science Bulletin 2001年第10期46卷 836-839页

作者： ZHANG Jiping SUN Xinde Philip H.-S.jen Department of Biology East China Normal UniversityShanghai 200062China Division of Biological Sciences University of Missouri-ColumbiaMO 65211USA

In order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves (EFTCs) of midbrain neurons, we examined the change of sharpness, frequency-intensity response area, minimum threshold of both EFTCs and inhibitory frequency tuning curves (IFTCs) of inferior collicular neurons during corticofugal modulation using two-tone inhibition paradigm and micro-electrical stimulation technique. Our data showed that corticofugal inhibition increased sharpness, minimum threshold, and decreased the frequency-intensity response area of EFTCs, at the same time it decreased the sharpness, minimum threshold but increased the frequency-intensity response area of IFTCs. The opposite results were observed for EFTCs and IFTCs of corticofugally facilitated inferior collicular neurons. During corticofugal inhibition, the percent change of frequency-intensity response area of EFTCs had significant correlation with the percent change of that of IFTCs. These data suggest that cortical

关键词： bat auditory cortex inferior colliculus frequency tuning modulation.