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https://www.readbyqxmd.com/read/28728171/optical-coherence-tomography-angiography-of-the-superficial-microvasculature-in-the-macular-and-peripapillary-areas-in-glaucomatous-and-healthy-eyes
#1
Henry Shen-Lih Chen, Chun-Hsiu Liu, Wei-Chi Wu, Hsiao-Jung Tseng, Yung-Sung Lee
Purpose: To quantitatively evaluate the superficial microvasculature in the macular and peripapillary areas in glaucomatous and healthy eyes using optical coherence tomography angiography (OCT-A). Methods: We enrolled 26 eyes of medically managed primary open-angle glaucoma patients and 27 eyes of healthy subjects were enrolled in this prospective study. Measurements of OCT-A vessel density were acquired both in the macular and peripapillary areas. We compared vessel density values, the circumpapillary retinal nerve fiber layer (cpRNFL), the ganglion cell complex (GCC), and standard automated perimetry (SAP) parameters across study groups...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28728055/investigation-of-length-heteroplasmy-in-mitochondrial-dna-control-region-by-massively-parallel-sequencing
#2
Chun-Yen Lin, Li-Chin Tsai, Hsing-Mei Hsieh, Chia-Hung Huang, Yu-Jen Yu, Bill Tseng, Adrian Linacre, James Chun-I Lee
Accurate sequencing of the control region of the mitochondrial genome is notoriously difficult due to the presence of polycytosine bases, termed C-tracts. The precise number of bases that constitute a C-tract and the bases beyond the poly cytosines may not be accurately defined when analyzing Sanger sequencing data separated by capillary electrophoresis. Massively parallel sequencing has the potential to resolve such poor definition and provides the opportunity to discover variants due to length heteroplasmy...
July 10, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28727545/role-of-age-and-acculturation-in-diet-quality-among-mexican-americans-findings-from-the-national-health-and-nutrition-examination-survey-1999-2012
#3
Yilin Yoshida, Richard Scribner, Liwei Chen, Stephanie Broyles, Stephen Phillippi, Tung-Sung Tseng
Age and acculturation may play a role in diet quality among Mexican Americans. This study examined diet quality in Mexican Americans by age and whether acculturation influences diet quality across different age groups, using data from the National Health and Nutrition Examination Survey (NHANES). Diet quality, measured by the Healthy Eating Index 2010, improved with age except in categories of dairy, sodium, and refined grains. More acculturation was associated with lower scores in overall diet quality and categories of vegetables, fruits, and sodium and empty calories across almost all ages, but higher scores in grain categories, especially in younger groups...
July 20, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28727411/one-step-synthesis-of-anti-oxidative-graphene-wrapped-copper-nanoparticles-on-flexible-substrates-for-electronic-and-electro-catalytic-applications
#4
Chi-Ang Tseng, Chiao-Chen Chen, Rajesh Kumar Ulaganathan, Chuan-Pei Lee, Hsu-Cheng Chiang, Chin-Fu Chang, Yit-Tsong Chen
In this study, we report a novel, one-step synthesis method to fabricate multi-layer graphene (MLG)-wrapped copper nanoparticles (CuNPs) directly on various substrates (e.g., polyimide film (PI), carbon cloth (CC)) or Si wafer (Si)). The electrical resistivities of the pristine MLG-CuNPs/PI and MLG-CuNPs/Si were measured 1.7 × 10(-6) and 1.4 × 10(-6) Ω·m, respectively, of which both values are ~100-fold lower than earlier reports. The MLG shell could remarkably prevent the Cu nanocore from serious damages after MLG-CuNPs being exposed to various harsh conditions...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28726018/association-of-vagotomy-and-decreased-risk-of-subsequent-ischemic-stroke-in-complicated-peptic-ulcer-patients-an-asian-population-study
#5
Chu-Wen Fang, Chun-Hung Tseng, Shih-Chi Wu, William Tzu-Liang Chen, Chih-Hsin Muo
OBJECTIVES: The primary management of peptic ulcers is medical treatment. Persistent exacerbation of a peptic ulcer may lead to complications (perforation and/or bleeding). There has been a trend toward the use of a less invasive surgical simple suture, simple local suture or non-operative (endoscopic/angiography) hemostasis rather than acid-reducing vagotomy (i.e., vagus nerve severance) for treating complicated peptic ulcers. Other studies have shown the relationship between high vagus nerve activity and survival in cancer patients via reduced levels of inflammation, indicating the essential role of the vagus nerve...
July 19, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28724378/erratum-to-significance-of-the-urokinase-type-plasminogen-activator-and-its-receptor-in-the-progression-of-focal-segmental-glomerulosclerosis-in-clinical-and-mouse-models
#6
Jin-Shuen Chen, Li-Chien Chang, Chung-Ze Wu, Tzu-Ling Tseng, Jui-An Lin, Yuh-Feng Lin, Chao-Wen Cheng
No abstract text is available yet for this article.
July 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28723112/surfen-assembled-graphene-oxide-for-fluorescence-turn-on-detection-of-sulfated-glycosaminoglycans-in-biological-matrix
#7
Yen-Ting Wang, Wei-Lung Tseng
Sulfated glycosaminoglycans (GAGs) not only serve as a biomarker for mucopolysaccharidoses disease but also participate in various biological processes, such as blood clot medication (heparin) and signal transduction (heparan sulfate). However, few fluorescent sensors, such as 1,9-dimethylmethylene blue, have been developed for the detection of sulfated GAGs in the real world. Herein, we fabricated a surfen/few-layer graphene oxide (FLGO) nanocomplex for sensing sulfated GAGs in biological fluids. Surfen molecules are self-assembled onto the surface of FLGO through electrostatic attraction, and their fluorescence was then quenched by the creation of the FLGO-surfen complex (static quenching) and partially combined with the energy transfer from surfen to FLGO (dynamic quenching)...
June 23, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722429/detection-of-k-efflux-from-stimulated-cortical-neurons-by-an-aptamer-modified-silicon-nanowire-field-effect-transistor
#8
Ankur Anand, Chia-Rung Liu, Ai-Chuan Chou, Wan-Hsuan Hsu, Rajesh Kumar Ulaganathan, Yi-Cheng Lin, Chi-An Dai, Fan-Gang Tseng, Chien-Yuan Pan, Yit-Tsong Chen
The concentration gradient of K(+) across the cell membrane of a neuron determines its resting potential and cell excitability. During neurotransmission, the efflux of K(+) from the cell via various channels will not only decrease the intracellular K(+) content but also elevate the extracellular K(+) concentration. However, it is not clear to what extent this change could be. In this study, we developed a multiple-parallel-connected silicon nanowire field-effect transistor (SiNW-FET) modified with K(+)-specific DNA-aptamers (aptamer/SiNW-FET) for the real-time detection of the K(+) efflux from cultured cortical neurons...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721944/peroxide-induced-volatile-and-non-volatile-switching-behavior-in-zno-based-electrochemical-metallization-memory-cell
#9
Firman Simanjuntak, Sridhar Chandrasekaran, Bhaskar Pattanayak, Chun-Chieh Lin, Tseung-Yuen Tseng
We explore the use of cubic-zinc peroxide (ZnO2) as a switching material for electrochemical metallization memory (ECM) cell. The ZnO2 was synthesized with a simple peroxide surface treatment. Devices made without surface treatment exhibits a high leakage current due to the self-doped nature of the hexagonal-ZnO material. Thus, its switching behavior can only be observed when a very high current compliance is employed. The synthetic ZnO2 layer provides a sufficient resistivity to the Cu/ZnO2/ZnO/ITO devices...
July 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28721719/imprinted-nanovelcro-microchips-for-isolation-and-characterization-of-circulating-fetal-trophoblasts-toward-noninvasive-prenatal-diagnostics
#10
Shuang Hou, Jie-Fu Chen, Min Song, Yazhen Zhu, Yu Jen Jan, Szu Hao Chen, Tzu-Hua Weng, Dean-An Ling, Shang-Fu Chen, Tracy Ro, An-Jou Liang, Tom Lee, Helen Jin, Man Li, Lian Liu, Yu-Sheng Hsiao, Peilin Chen, Hsiao-Hua Yu, Ming-Song Tsai, Margareta D Pisarska, Angela Chen, Li-Ching Chen, Hsian-Rong Tseng
Circulating fetal nucleated cells (CFNCs) in maternal blood offer an ideal source of fetal genomic DNA for noninvasive prenatal diagnostics (NIPD). We developed a class of nanoVelcro microchips to effectively enrich a subcategory of CFNCs, i.e., circulating trophoblasts (cTBs) from maternal blood, which can then be isolated with single-cell resolution by a laser capture microdissection (LCM) technique for downstream genetic testing. We first established a nanoimprinting fabrication process to prepare the LCM-compatible nanoVelcro substrates...
July 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28719502/safety-of-quadrivalent-meningococcal-conjugate-vaccine-in-children-2-10-years
#11
Sara Y Tartof, Lina S Sy, Bradley K Ackerson, Rulin C Hechter, Mendel Haag, Jeffrey M Slezak, Yi Luo, Christine A Fischetti, Harp S Takhar, Yan Miao, Zendi Solano, Steven J Jacobsen, Hung-Fu Tseng
BACKGROUND: Quadrivalent meningococcal conjugate vaccine is recommended for children, adolescents, and adults at increased risk of meningococcal disease. In 2011, MenACWY-CRM (Menveo, GSK) was approved for children aged 2-10 years in the U.S. Although no safety concerns arose from clinical trials, it remains important to monitor its safety in routine clinical settings. METHODS: Kaiser Permanente Southern California members 2-10 years old who received MenACWY-CRM between September 2011 and September 2014 were included...
July 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28719262/evaluation-of-a-mobile-phone-based-microscope-for-screening-of-schistosoma-haematobium-infection-in-rural-ghana
#12
Isaac I Bogoch, Hatice C Koydemir, Derek Tseng, Richard K D Ephraim, Evans Duah, Joseph Tee, Jason R Andrews, Aydogan Ozcan
AbstractSchistosomiasis affects over 170 million people in Africa. Here we compare a novel, low-cost mobile phone microscope to a conventional light microscope for the label-free diagnosis of Schistosoma haematobium infections in a rural Ghanaian school setting. We tested the performance of our handheld microscope using 60 slides that were randomly chosen from an ongoing epidemiologic study in school-aged children. The mobile phone microscope had a sensitivity of 72.1% (95% confidence interval [CI]: 56.1-84...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28717799/interface-interactions-and-enhanced-room-temperature-ferromagnetism-of-ag-ceo2-nanostructures
#13
Shih-Yun Chen, Eric Tseng, Yi-Ta Lai, William Lee, Alexandre Gloter
Enhancement of room temperature ferromagnetism (RTFM) has been achieved with core-shell metal-oxide nanoparticles (Ag@CeO2). To enhance the magnetic properties, interfacial charge transfer is achieved via the formation of a core-shell interface. Furthermore, by varying the shell thicknesses, additional control of the RTFM can be obtained. The Ag@CeO2 core-shell nanoparticles are synthesized successfully via a two-step method. Ag nanoparticles (NPs) are first synthesized on a TiO2 substrate by a thermally assisted photoreduction method, and then CeO2 NPs are deposited on the surface of Ag NPs by chemical reduction...
July 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28717648/response-detection-of-castrate-resistant-prostate-cancer-to-clinically-utilised-and-novel-treatments-by-monitoring-phospholipid-metabolism
#14
Tim A D Smith, Su M Phyu, Kholoud S Alzyoud, Chih-Chung Tseng
Androgen receptor (AR) activation is the primary driving factor in prostate cancer which is initially responsive to castration but then becomes resistant (castration-resistant prostate cancer (CRPC)). CRPC cells still retain the functioning AR which can be targeted by other therapies. A recent promising development is the use of inhibitors (Epi-1) of protein-protein interaction to inhibit AR-activated signalling. Translating novel therapies into the clinic requires sensitive early response indicators. Here potential response markers are explored...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28717212/a-clinicopathological-analysis-of-153-acral-melanomas-and-the-relevance-of-mechanical-stress
#15
Yi-Shuan Sheen, Yi-Hua Liao, Ming-Hsien Lin, Jau-Shiuh Chen, Jau-Yu Liau, Yu-Ju Tseng, Chih-Hung Lee, Yih-Leong Chang, Chia-Yu Chu
The pathogenesis of melanomas emerging in plantar surfaces remains unclear; however, mechanical stress has been reported to increase the formation of melanomas. In this study, we conducted a multicenter retrospective analysis of 153 acral melanomas diagnosed between 2000 and 2015 in Taiwan. The male-to-female ratio of the patients in question was 1:1.28, and the mean age at diagnosis was 68 years. We examined whether melanomas which developed in different areas of the patients' soles differed in their associations with various clinicopathological characteristics and survival...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716842/outer-nuclear-membrane-protein-kuduk-modulates-the-linc-complex-and-nuclear-envelope-architecture
#16
Zhao-Ying Ding, Ying-Hsuan Wang, Yu-Cheng Huang, Myong-Chol Lee, Min-Jen Tseng, Ya-Hui Chi, Min-Lang Huang
Linker of nucleoskeleton and cytoskeleton (LINC) complexes spanning the nuclear envelope (NE) contribute to nucleocytoskeletal force transduction. A few NE proteins have been found to regulate the LINC complex. In this study, we identify one, Kuduk (Kud), which can reside at the outer nuclear membrane and is required for the development of Drosophila melanogaster ovarian follicles and NE morphology of myonuclei. Kud associates with LINC complex components in an evolutionarily conserved manner. Loss of Kud increases the level but impairs functioning of the LINC complex...
July 17, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28714903/sensing-responses-based-on-transfer-characteristics-of-inas-nanowire-field-effect-transistors
#17
Alex C Tseng, David Lynall, Igor Savelyev, Marina Blumin, Shiliang Wang, Harry E Ruda
Nanowire-based field-effect transistors (FETs) have demonstrated considerable promise for a new generation of chemical and biological sensors. Indium arsenide (InAs), by virtue of its high electron mobility and intrinsic surface accumulation layer of electrons, holds properties beneficial for creating high performance sensors that can be used in applications such as point-of-care testing for patients diagnosed with chronic diseases. Here, we propose devices based on a parallel configuration of InAs nanowires and investigate sensor responses from measurements of conductance over time and FET characteristics...
July 16, 2017: Sensors
https://www.readbyqxmd.com/read/28714537/surgical-outcome-for-empty-nose-syndrome-impact-of-implantation-site
#18
Ta-Jen Lee, Chia-Hsiang Fu, Ching-Lung Wu, Yi-Chan Lee, Chi-Che Huang, Po-Hung Chang, Yi-Wei Chen, Hsiao-Jung Tseng
OBJECTIVE/HYPOTHESIS: Endonasal submucosal implantation has been confirmed to be beneficial for patients with empty nose syndrome (ENS). However, the optimal implantation site has not been defined. This study aimed to evaluate whether lateral nasal wall implantation is superior to inferior nasal wall implantation in terms of clinical benefits and improvements in quality of life. STUDY DESIGN: Retrospective study in a tertiary medical center. METHODS: Consecutive ENS patients between 2010 and 2015 with operative histories of inferior turbinectomies and indicated for surgical implantation were enrolled, with at least 1-year follow-up...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28711626/influence-of-metabolic-risk-factors-on-risk-of-hepatocellular-carcinoma-and-liver-related-death-in-men-with-chronic-hepatitis-b-a-large-cohort-study
#19
Ming-Whei Yu, Chih-Lin Lin, Chun-Jen Liu, Shu-Han Yang, Yu-Lin Tseng, Chih-Feng Wu
BACKGROUND & AIMS: Little is known about the absolute risk of hepatocellular carcinoma (HCC) and liver-disease related death, in association with metabolic risk factors, for patients with hepatitis B virus (HBV) infection. METHODS: We collected data from 5373 male Taiwanese civil servants who visited Taiwan's Government Employees' Central Clinics and received routine free physical examinations from 1989 through 1992. We obtained information on liver-related morbidity and mortality in HBV carriers, 40-65 years old (n=1690), with different metabolic risk factors...
July 12, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28711430/implementation-of-a-national-bundle-care-program-to-reduce-catheter-associated-urinary-tract-infection-in-high-risk-units-of-hospitals-in-taiwan
#20
Chih-Cheng Lai, Chun-Ming Lee, Hsiu-Tzy Chiang, Ching-Tzu Hung, Ying-Chun Chen, Li-Hsiang Su, Zhi-Yuan Shi, Jein-Wei Liu, Chang-Pan Liu, Min-Chi Lu, Yin-Ching Chuang, Wen-Chien Ko, Shu-Hui Tseng, Yen-Hsu Chen, Po-Ren Hsueh
BACKGROUND/PURPOSE: This study was intended to investigate the impact of implementation of catheter-associated urinary tract infection (CA-UTI) bundle care on the incidence of CA-UTI in high-risk units. METHODS: Thirteen high-risk units, including medical (n = 5), surgical (n = 3), cardiac intensive care units (n = 2), respiratory care centers (n = 2), and respiratory care ward (n = 1) were included in this quality-improvement project. This study was divided into pre-intervention phase (from January 1 to July 31) and post-intervention phase (from August 1 to October 31) in 2013...
June 26, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
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