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Optimization of GaAs Nanowire Pin Junction Array Solar Cells by Using AlGaAs/GaAs Heterojunctions

We optimized the performance of GaAs nanowire pin junction array solar cells by introducing AlGaAs/GaAs heterejunctions. AlGaAs is used for the p type top segment for axial junctions and the p type outer shell for radial junctions. The AlGaAs not only serves as passivation layers for GaAs nanowires but also confines the optical generation in the active regions, reducing the...

Photovoltaic Performance of a Nanowire/Quantum Dot Hybrid Nanostructure Array Solar Cell

An innovative solar cell based on a nanowire/quantum dot hybrid nanostructure array is designed and analyzed. By growing multilayer InAs quantum dots on the sidewalls of GaAs nanowires, not only the absorption spectrum of GaAs nanowires is extended by quantum dots but also the light absorption of quantum dots is dramatically enhanced due to the light-trapping effect of the...

Trends in use of acupuncture among adults in Taiwan from 2002 to 2011: A nationwide population-based study

practice and acupuncture research as well as for health policy decision making. Author Contributions Conceptualization: Mei-Yao Wu, Yu-Chen Lee, Ming-Cheng Huang, Mao-Feng Sun, Hung Rong Yen. Data ... curation: Cheng-Li Lin, Hung-Rong Yen. Formal analysis: Mei-Yao Wu, Cheng-Li Lin. Funding acquisition: Hung-Rong Yen. Investigation: Mei-Yao Wu, Ming-Cheng Huang, Mao-Feng Sun, Hung-Rong Yen. Methodology

Identifying the factors affecting bike-sharing usage and degree of satisfaction in Ningbo, China

data collection. 17 / 19 Author Contributions Data curation: Jibiao Zhou. Formal analysis: Yanyong Guo. Funding acquisition: Jibiao Zhou, Yao Wu. Investigation: Yao Wu. Methodology: Yanyong Guo

Autophagy inhibitor chloroquine increases sensitivity to cisplatin in QBC939 cholangiocarcinoma cells by mitochondrial ROS

The tumor cells have some metabolic characteristics of the original tissues, and the metabolism of the tumor cells is closely related to autophagy. However, the mechanism of autophagy and metabolism in chemotherapeutic drug resistance is still poorly understood. In this study, we investigated the role and mechanism of autophagy and glucose metabolism in chemotherapeutic drug...

Tumor Regression and Patterns of Distant Metastasis of T1-T2 Nasopharyngeal Carcinoma with Intensity-Modulated Radiotherapy

Purpose To study tumor regression and failure patterns in T1-T2 non-metastatic nasopharyngeal carcinoma (NPC) after intensity-modulated radiotherapy (IMRT). Methods A retrospective analysis of 139 nasopharyngeal carcinoma patients treated with IMRT between January 2005 and December 2010 in our center was performed. According to the AJCC staging system, all primary lesions were...

Plasmon-Enhanced Light Absorption in GaAs Nanowire Array Solar Cells

promising for low-cost high-performance nanoscale solar cells. Authors’ contributions Yanhong Li and Yao Wu carried out the electrical modeling partial simulation, and drafted the manuscript. Xin Yan

Metabolic Engineering of Klebsiella pneumoniae for the Production of 2-Butanone from Glucose

2-Butanone is an important commodity chemical of wide application in different areas. In this study, Klebsiella pneumoniae was engineered to directly produce 2-butanone from glucose by extending its native 2, 3-butanediol synthesis pathway. To identify the potential enzyme for the efficient conversion of 2, 3-butanediol to 2-butanone, we screened different glycerol dehydratases...

Dehydration melting of UHP eclogite and paragneiss in the Dabie orogen: Evidence from laboratory experiment to natural observation

Dehydration melting of subducted continental crust is significant during exhumation, and its study from both experimental and petrological observations is of great importance to our understanding of continental geodynamics. Dehydration melting experiments were carried out on ultrahigh-pressure (UHP) eclogite from Bixiling in the Dabie orogen using a piston cylinder at 1.5–3.0 GPa...

TNF-α sensitizes chemotherapy and radiotherapy against breast cancer cells

Purpose Despite new developments in cancer therapy, chemotherapy and radiotherapy remain the cornerstone of breast cancer treatment. Therefore, finding ways to reduce the toxicity and increase sensitivity is particularly important. Tumor necrosis factor alpha (TNF-α) exerts multiple functions in cell proliferation, differentiation and apoptosis. In the present study, we...

Comparison of miRNAs and Their Targets in Seed Development between Two Maize Inbred Lines by High-Throughput Sequencing and Degradome Analysis

MicroRNAs (miRNAs) play an important role in plant growth, development, and response to environment. For identifying and comparing miRNAs and their targets in seed development between two maize inbred lines (i.e. PH6WC and PH4CV), two sRNAs and two degradome libraries were constructed. Through high-throughput sequencing and miRNA identification, 55 conserved and 24 novel unique...

PEP-1-MsrA ameliorates inflammation and reduces atherosclerosis in apolipoprotein E deficient mice

Background Methionine sulfoxide reductase A (MsrA) is a potent intracellular oxidoreductase and serves as an essential factor that protects cells against oxidative damage. However, therapeutic use of exogenous MsrA in oxidative stress-induced diseases is limited, because it cannot enter the cells. The aim of this study is to investigate whether MsrA with PEP-1, a cell penetrating...

Variability of Gross Tumor Volume in Nasopharyngeal Carcinoma Using 11C-Choline and 18F-FDG PET/CT

This study was conducted to evaluate the variability of gross tumor volume (GTV) using 11C-Choline and 18F-FDG PET/CT images for nasopharyngeal carcinomas boundary definition. Assessment consisted of inter-observer and inter-modality variation analysis. Four radiation oncologists were invited to manually contour GTV by using PET/CT fusion obtained from a cohort of 12 patients...

HIF-1α Promotes Epithelial-Mesenchymal Transition and Metastasis through Direct Regulation of ZEB1 in Colorectal Cancer

It is well recognized that hypoxia-inducible factor 1 alpha (HIF-1α) is involved in cancer metastasis, chemotherapy and poor prognosis. We previously found that deferoxamine, a hypoxia-mimetic agent, induces epithelial-mesenchymal transition (EMT) in colorectal cancer. Therefore, here we explored a new molecular mechanism for HIF-1α contributing to EMT and cancer metastasis...

Graphene-enhanced visible-light photocatalysis of large-sized CdS particles for wastewater treatment

The hybrid composites of graphene decorated by large-sized CdS particles (G/M-CdS) were prepared by a one-pot solvothermal route in which the reduction of graphite oxide into graphene was accompanied by the generation of microsized CdS particles. The structure and composition of the obtained nanocomposites were studied by means of X-ray diffraction, scanning electron microscopy...

Within-litter variation in birth weight: impact of nutritional status in the sow

, well-being, and tissue protein synthesis in gestating mammals (e.g. pigs). Compliance with ethics guidelines Tao-lin YUAN, Yu-hua ZHU, Meng SHI, Tian-tian LI, Na LI, Guo-yao WU, Fuller W. BAZER, Jian

Paradox of low field enhancement factor for field emission nanodiodes in relation to quantum screening effects

Tsung-Chieh Cheng 0 Pai-Yen Chen 1 Shen-Yao Wu 0 0 Department of Mechanical Engineering, National Kaohsiung University of Applied Science , 415 Chien Kung Road, Sanmin District, Kaohsiung, 80778

Content-Based Image Retrieval Using Spatial Layout Information in Brain Tumor T1-Weighted Contrast-Enhanced MR Images

This study aims to develop content-based image retrieval (CBIR) system for the retrieval of T1-weighted contrast-enhanced MR (CE-MR) images of brain tumors. When a tumor region is fed to the CBIR system as a query, the system attempts to retrieve tumors of the same pathological category. The bag-of-visual-words (BoVW) model with partition learning is incorporated into the system...

Association of promoter methylation statuses of congenital heart defect candidate genes with Tetralogy of Fallot

Background Although a lower methylation level of whole genome has been demonstrated in Tetralogy of Fallot (TOF) patients, little is known regarding changes in specific gene DNA methylation profiles and the possible associations with TOF. In current study, the promoter methylation statuses of congenital heart defect (CHD) candidate genes were measured in order to further...

The association between expressions of Ras and CD68 in the angiogenesis of breast cancers

participated in performing statistical analysis; MW (Meng-Yao Wu), GY, and MW (Ming-Yun Wang) participated in performing immunohistochemistry and evaluation of immunostaining; XX, LS and FG participated in