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Po-Hsun Wang,Hsu-Feng Lee,Yi-Chiang Huang,Yi-Jiun Jung,Fang-Lin Gong,Wen-Yao Huang 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.4
In the decision on the pros and cons of the optical and electrical properties of organic solar cells, the morphology has proven to be very important. Easy to change the morphology via adding a small amount of additive, because proton dissociation constant is the main reason for their application. In this study, the use of poly(3-hexylthiophene) and [6,6]-phenyl C61-butyric acid methyl ester as the donor and acceptor materials, and were subsequently doped with different quantity of 4,4'-sulfonyldiphenol, 4,4'-dihydroxybiphenyl, biphenyl-4,4'-dithiol. When the proton dissociation constant is higher and lower respectively, the morphology reveals earthworms-like and fiber-like. For the reason that when the additive is biphenyl-4,4'-dithiol, it can improve the power conversion efficiency of about 27% and the incident photon-to-current conversion efficiency of about 12%.
Pulmonary Arterial Thrombosis in a Patient With an Atrial Septal Defect and Eisenmenger Syndrome
Ching-Wei Lee,Shao-Sung Huang,Po-Hsun Huang 대한심장학회 2012 Korean Circulation Journal Vol.42 No.11
Pulmonary hypertension is characterized by elevated pulmonary arterial pressure and secondary right ventricular failure. A thromboembolic occlusion of the proximal or distal pulmonary vasculature results in chronic thromboembolic pulmonary hypertension. We report an uncommon case that presented to our hospital with symptoms of dyspnea on exertion over 2 years. The patient had been treated for profound pulmonary thrombosis and right ventricular failure with adequate anticoagulation and sildenafil. Our echocardiography disclosed a large atrial septal defect with severe pulmonary hypertension and right ventricular failure. A diagnosis of Eisenmenger syndrome with pulmonary artery thrombosis was made. Although Eisenmenger syndrome with pulmonary thrombosis is well described in western societies,a huge pulmonary thrombosis is seldom reported in eastern countries. Profound pulmonary thrombosis may obfuscate the actual diagnosis of pulmonary artery hypertension with underlying congenital heart disease. A physical examination and echocardiography are essential in patients with pulmonary hypertension.
Metal Chloride Precursor Synthesization of Cu2ZnSnS4 Solar Cell Materials
Min Yen Yeh,Yu-Fong Huang,Cheng-Liang Huang,Chyi-Da Yang,Dong-Sing Wuu,Po-Hsun Lei 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.65 No.2
Cu2ZnSnS4 (CZTS) thin films with kesterite structures were prepared by directly sol-gel synthesizingspin-coated precursors on soda-lime-glass (SLG) substrates. The CZTS precursors wereprepared by using solutions of copper (II) chloride, zinc (II) chloride, tin (IV) chloride, and thiourea. The ratio of SnCl4 in the precursors was found to play a critical role in the synthesization of CZTS. CZTS phases of SnS and SnS2 were observed in the synthesized films as prepared using precursorswith a close to stoichiometric ratio of CuCl2:ZnCl2:SnCl4:CH4N2S = 4:1:1:8, where SnCl4 was 1mol/l. The amounts of the educed SnS and SnS2 phases observed in the SEM images could bereadily reduced by decreasing the volume of SnCl4 in the mixed solution. With decreasing amountof SnCl4 from 1 mol/l, the as prepared CZTS reveals a significant improvement in its crystallineproperties. In this work, CZTS with an average absorption coefficient and an optical energy gapof over 104 cm−1 and 1.5 eV, respectively, was obtained using precursors of copper (II) chloride,zinc (II) chloride, tin (IV) chloride, and thiourea mixed in a ratio of 2:1:0.25:8, and it had goodcrystallinity revealing a Cu-poor composition.
Cheng-Chen Chang,Ming-Hong Hsieh,Jong-Yi Wang,Nan-Ying Chiu,Yu-Hsun Wang,Jeng-Yuan Chiou,Hsiang-Hsiung Huang,Po-Chung Ju 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.11
Objective Several cell line studies have demonstrated thioridazine’s anticancer, multidrug resistance-reversing and apoptosis-inducing properties in various tumors. We conducted this nationwide population-based study to investigate the association between thioridazine use and cancer risk among adult patients with schizophrenia. Methods Based on the Psychiatric Inpatient Medical Claim of the National Health Insurance Research Database of Taiwan, a total of 185,689 insured psychiatric patients during 2000 to 2005 were identified. After excluding patients with prior history of schizophrenia, only 42,273 newly diagnosed patients were included. Among them, 1,631 patients ever receiving thioridazine for more than 30 days within 6 months were selected and paired with 6,256 randomly selected non-thioridazine controls. These patients were traced till 2012/12/31 to see if they have any malignancy. Results The incidence rates of hypertension and cerebrovascular disease were higher among cases than among matched controls. The incidence of hyperlipidemia, coronary artery disease and chronic pulmonary disease did not differ between the two groups. By using Cox proportional hazard model for cancer incidence, the crude hazard ratio was significantly higher in age, hypertension, hyperlipidemia, cerebrovascular disease, coronary artery disease and chronic pulmornary disease. However, after adjusting for other covariates, only age and hypertension remained significant. Thioridazine use in adult patients with schizophrenia had no significant association with cancer. Conclusion Despite our finding that thioridazine use had no prevention in cancer in adult patients with schizophrenia. Based on the biological activity, thioridazine is a potential anticancer drug and further investigation in human with cancer is warranted.
Identification, Synthesis, and Evaluation of New Neuraminidase Inhibitors
Kumar, Vathan,Chang, Chih-Kang,Tan, Kian-Pin,Jung, Young-Sik,Chen, Shih-Hsun,Cheng, Yih-Shyun E.,Liang, Po-Huang American Chemical Society 2014 ORGANIC LETTERS Vol.16 No.19
<P>High-throughput screening was performed on ∼6800 compounds to identify <B>KR-72039</B> as an inhibitor of H1N1 and H5N1 neuraminidases (NAs). Structure–activity relationship studies led to <B>3e</B>, which inhibited H5N1 NA with an IC<SUB>50</SUB> of 2.8 μM and blocked viral replication. Docking analysis shows that compounds bind to loop-430 around the NA active site. Compound <B>3l</B> additionally inhibited H7N9 NA, making it a dual inhibitor of N1- and N2-type NAs.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/orlef7/2014/orlef7.2014.16.issue-19/ol502410x/production/images/medium/ol-2014-02410x_0004.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ol502410x'>ACS Electronic Supporting Info</A></P>