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https://www.readbyqxmd.com/read/29351544/long-term-exposure-to-fine-particulate-matter-blood-pressure-and-incident-hypertension-in-taiwanese-adults
#1
Zilong Zhang, Cui Guo, Alexis K H Lau, Ta-Chien Chan, Yuan Chieh Chuang, Changqing Lin, Wun Kai Jiang, Eng-Kiong Yeoh, Tony Tam, Kam S Woo, Bryan P Yan, Ly-Yun Chang, Martin C S Wong, Xiang Qian Lao
BACKGROUND: Long-term exposure to particulate matter (PM) air pollution may increase blood pressure and the risk of hypertension. However, epidemiological evidence is scarce and inconsistent. OBJECTIVES: We investigated the associations between long-term exposure to PM with an aerodynamic diameter <2.5μm (PM2.5), blood pressure, and incident hypertension in a large Taiwanese cohort. METHODS: We studied 361,560 adults ≥18y old from a large cohort who participated in a standard medical examination program during 2001 to 2014...
January 18, 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29351178/using-time-referenced-data-to-assess-medication-administration-performance-and-quality
#2
John M Welton, Catherine Kleiner, Carolyn Valdez, Sara Richardson, Kathy Boyle, Eric Lucas
OBJECTIVE: This study tests the feasibility of using a large (big) clinical data set to test the ability to extract time-referenced data related to medication administration to identify late doses and as-needed (PRN) administration patterns by RNs in an inpatient setting. METHODS: The study is a secondary analysis of a set of data using bar-code medication administration time stamps (n = 3043812) for 50883 patients admitted to a single, urban, 525-bed hospital in 11 inpatient units by 714 nurses between April 1, 2013, and March 31, 2015...
February 2018: Journal of Nursing Administration
https://www.readbyqxmd.com/read/29350517/cellphone-enabled-microwell-based-microbead-aggregation-assay-for-portable-biomarker-detection
#3
Weiwei Cui, Meihang He, Luye Mu, Zuzeng Lin, Yanyan Wang, Wei Pang, Mark A Reed, Xuexin Duan
Quantitative biomarker detection methods featured with rapidity, high accuracy, and label-free are demonstrated for the development of point-of-care (POC) technologies or "beside" diagnostics. Microbead aggregation via protein-specific linkage provides an effective approach for selective capture of biomarkers from the samples, and can directly readout the presence and amount of the targets. However, sensors or microfluidic analyzers that can accurately quantify the microbead aggrega-tion are scared. In this work, we demonstrate a microwell-based microbeads analyzing system, by which online manipula-tions of microbeads including trapping, arraying, and rotations can be realized, providing a series of microfluidic approaches to layout the aggregated microbeads for further convenient characterizations...
January 19, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29349933/patient-s-specific-integration-of-oar-doses-d2%C3%A2-cc-from-ebrt-and-3d-image-guided-brachytherapy-for-cervical-cancer
#4
Edgar Gelover, Cabel Katherine, Christopher Mart, Wenqing Sun, Yusung Kim
The objective of this study was to assess the recommended DVH parameter (e.g., D2 cc) addition method used for combining EBRT and HDR plans, against a reference dataset generated from an EQD2-based DVH addition method. A revised DVH parameter addition method using EBRT DVH parameters derived from each patient's plan was proposed and also compared with the reference dataset. Thirty-one biopsy-proven cervical cancer patients who received EBRT and HDR brachytherapy were retrospectively analyzed. A parametrial and/or paraaortic EBRT boost were clinically performed on 13 patients...
January 19, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29347908/management-and-outcomes-of-patients-presenting-with-sepsis-and-septic-shock-to-the-emergency-department-during-nursing-handover-a-retrospective-cohort-study
#5
Sami Alsolamy, Atheer Al-Sabhan, Najla Alassim, Musharaf Sadat, Eman Al Qasim, Hani Tamim, Yaseen M Arabi
BACKGROUND: Clinical handover is an important process for the transition of patient-care responsibility to the next healthcare provider, but it may divert the attention of the team away from active patients. This is challenging in the Emergency Department (ED) because of highly dynamic patient conditions and is likely relevant in conditions that requires time-sensitive therapies, such as sepsis. We aimed to examine the management and outcomes of patients presenting with sepsis and septic shock to the ED during nursing handover...
January 18, 2018: BMC Emergency Medicine
https://www.readbyqxmd.com/read/29347906/expression-and-functional-analysis-of-the-propamocarb-related-gene-csdir16-in-cucumbers
#6
Chunhong Liu, Zhiwei Qin, Xiuyan Zhou, Ming Xin, Chunhua Wang, Dong Liu, Shengnan Li
BACKGROUND: Cucumber downy mildew is among the most important diseases that can disrupt cucumber production. Propamocarb, also known as propyl-[3-(dimethylamino)propyl]carbamate (PM), is a systemic carbamate fungicide pesticide that is widely applied in agricultural production because of its high efficiency of pathogens control, especially cucumber downy mildew. However, residual PM can remain in cucumbers after the disease has been controlled. To explore the molecular mechanisms of PM retention, cucumber cultivars 'D9320' (with the highest residual PM content) and 'D0351' (lowest residual PM content) were studied...
January 18, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29346829/intraoperative-seizures-in-awake-craniotomy-for-perirolandic-glioma-resections-that-undergo-cortical-mapping
#7
Chikezie Ikechukwu Eseonu, Jordina Rincon-Torroella, Young M Lee, Karim ReFaey, Punita Tripathi, Alfredo Quinones-Hinojosa
BACKGROUND:  Perirolandic motor area gliomas present invasive eloquent region tumors within the precentral gyrus that are difficult to resect without causing neurologic deficits. STUDY AIMS:  This study evaluates the role of awake craniotomy and motor mapping on neurologic outcome and extent of resection (EOR) of tumor in the perirolandic motor region. It also analyzes preoperative risk factors for intraoperative seizures. METHODS:  We evaluated 57 patients who underwent an awake craniotomy for a perirolandic motor area eloquent region glioma...
January 18, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346405/oxytocin-alters-cell-fate-selection-of-rat-neural-progenitor-cells-in-vitro
#8
Arvind Palanisamy, Ramaswamy Kannappan, Zhiqiang Xu, Audrey Martino, Matthew B Friese, Justin D Boyd, Gregory Crosby, Deborah J Culley
Synthetic oxytocin (sOT) is widely used during labor, yet little is known about its effects on fetal brain development despite evidence that it reaches the fetal circulation. Here, we tested the hypothesis that sOT would affect early neurodevelopment by investigating its effects on neural progenitor cells (NPC) from embryonic day 14 rat pups. NPCs expressed the oxytocin receptor (OXTR), which was downregulated by 45% upon prolonged treatment with sOT. Next, we examined the effects of sOT on NPC death, apoptosis, proliferation, and differentiation using antibodies to NeuN (neurons), Olig2 (oligodendrocytes), and GFAP (astrocytes)...
2018: PloS One
https://www.readbyqxmd.com/read/29346296/highly-sensitive-strain-sensor-based-on-a-novel-mach-zehnder-interferometer-with-tcf-pcf-structure
#9
Xinran Dong, Haifeng Du, Zhi Luo, Ji'an Duan
A highly sensitive strain sensor based on a novel fiber in line Mach-Zehnder interferometer (MZI) was demonstrated experimentally. The MZI was realized by splicing a section of photonic crystal fiber (PCF) with the same length of thin core fiber (TCF) between two single mode fibers (SMFs). The fringe visibility of MZI can reach as high as 20 dB in air. In particular, the strain sensitivity of -1.95 pm/με was achieved within a range from 0 to 4000 με. Furthermore, the strain properties of different length of MZI was investigated...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29346293/fabry-perot-interferometric-high-temperature-sensing-up-to-1200-%C3%A2-c-based-on-a-silica-glass-photonic-crystal-fiber
#10
Haihu Yu, Ying Wang, Jian Ma, Zhou Zheng, Zhuozhao Luo, Yu Zheng
A Fabry-Perot interferometric sensor for temperature measurement was fabricated based on a silica glass solid-core photonic crystal fiber with a central air-bore. By splicing a stub of photonic crystal fiber to a standard single-mode fiber, an intrinsic Fabry-Perot cavity was formed inside the photonic crystal fiber. Sensing experiment results show that the sensor can work stably for a consecutive 24 h under temperatures up to 1100 °C, and the short-term operation temperature can reach as high as 1200 °C (<30 min)...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29343755/significantly-high-modulation-efficiency-of-compact-graphene-modulator-based-on-silicon-waveguide
#11
Haowen Shu, Zhaotang Su, Le Huang, Zhennan Wu, Xingjun Wang, Zhiyong Zhang, Zhiping Zhou
We theoretically and experimentally demonstrate a significantly large modulation efficiency of a compact graphene modulator based on a silicon waveguide using the electro refractive effect of graphene. The modulation modes of electro-absorption and electro-refractive can be switched with different applied voltages. A high extinction ratio of 25 dB is achieved in the electro-absorption modulation mode with a driving voltage range of 0 V to 1 V. For electro-refractive modulation, the driving voltage ranges from 1 V to 3 V with a 185-pm spectrum shift...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343695/altered-pattern-of-monocyte-differentiation-and-monocyte-derived-tgf-%C3%AE-1-in-severe-asthma
#12
Chih-Hsing Hung, Chin-Chou Wang, Jau-Ling Suen, Chau-Chyun Sheu, Chang-Hung Kuo, Wei-Ting Liao, Yi-Hsin Yang, Chao-Chien Wu, Sum-Yee Leung, Ruay-Sheng Lai, Chi-Cheng Lin, Yu-Feng Wei, Chong-Yeh Lee, Ming-Shyan Huang, Shau-Ku Huang
CD14+ monocytes contain precursors for macrophages and fibrocytes, known to be involved in regulating airway remodeling in human asthma and distinguishable by the PM-2K marker. We sought to identify circulating subsets of PM-2K+ macrophage-like cells and evaluate their relationships to lung function, severity and control status. Circulating PM-2K+ macrophage-like cells and fibrocytes could be identified and distinguished between normal individuals (N = 152) and asthmatic subjects (N = 133) using multi-parametric flow cytometry...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343028/-pathogenesis-of-piriformis-syndrome-a-magnetic-resonance-imaging-based-comparison-study
#13
Z F Huang, D S Yang, Z J Shi, J Xiao
Objective: To assess the morphological parameters of the piriformis muscle through magnetic resonance imaging(MRI) so as to further elucidate the pathogenesis of piriformis syndrome (PS). Methods: From September 2015 to October 2016, 30 suspected PS patients and 30 normal controls were enrolled in this study from the Nanfang Hospital, Southern Medical University. The possible causative factors of the PS in the patients were obtained, and the PS patients were divided into subgroups according to the anatomic site of the tender regions...
January 2, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29342198/three-dimensional-printing-model-improves-morphological-understanding-in-acetabular-fracture-learning-a-multicenter-randomized-controlled-study
#14
Zhenfei Huang, Wenhao Song, Yaoshen Zhang, Qiang Zhang, Dongsheng Zhou, Xi Zhou, Yu He
Conventional education results in unsatisfactory morphological understanding of acetabular fractures due to lack of three-dimensional (3D) details and tactile feedback of real fractures. Virtual reality (VR) and 3D printing (3DP) techniques are widely applied in teaching. The purpose of this study was to identify the effect of physical model (PM), VR and 3DP models in education of morphological understanding of acetabular fractures. 141 students were invited to participate in this study. Participants were equally and randomly assigned to the PM, VR and 3DP learning groups...
2018: PloS One
https://www.readbyqxmd.com/read/29341802/portulaca-oleracea-l-extract-enhances-glucose-uptake-by-stimulating-glut4-translocation-to-the-plasma-membrane-in-3t3-l1-adipocytes
#15
Jae Eun Park, Ji Soo Lee, Hyun Ah Lee, Ji Sook Han
This study investigated the effects of Portulaca oleracea L. extract on glucose uptake in 3T3-L1 adipocytes. P. oleracea extract (POE) markedly enhanced glucose uptake, which was caused by increased GLUT4 expression at the plasma membrane (PM) in 3T3-L1 adipocytes. This increase in PM-GLUT4 expression was associated with insulin receptor substrate-1 (IRS-1) phosphorylation, phosphatidylinositol 3-kinase (PI3K) activation, and Akt phosphorylation, and finally, enhanced intracellular glucose uptake. POE was not associated with protein kinase C (PKC)λ/ζ phosphorylation in the insulin signaling pathway, but did promote 5'-AMP-activated kinase (AMPK) phosphorylation...
January 17, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29341793/platelet-transfusion-does-not-improve-outcomes-in-patients-with-brain-injury-on-antiplatelet-therapy
#16
Jeremy L Holzmacher, Cassandra Reynolds, Mayur Patel, Patrick Maluso, Seth Holland, Nathaniel Gamsky, Henry Moore, Elizabeth Acquista, Matthew Carrick, Richard Amdur, Heather Hancock, Michael Metzler, Julie Dunn, Babak Sarani
INTRODUCTION: Platelet dysfunction following traumatic brain injury (TBI) is associated with worse outcomes. The efficacy of platelet transfusion to reverse antiplatelet medication (APM) remains unknown. Thrombelastography platelet mapping (TEG-PM) assesses platelet function. We hypothesize that platelet transfusion can reverse the effects of APM but does not improve outcomes following TBI. METHODS: An observational study at six US trauma centres was performed. Adult patients on APM with CT evident TBI after blunt injury were enrolled...
January 17, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29341517/proliferative-myositis-of-the-latissimus-dorsi-presenting-in-a-20-year-old-male-athlete
#17
N McHugh, R Tevlin, C Beggan, D J Ryan, J Larkin, F Moloney, M W Bennett, J Kelly
We describe the case of a 20-year-old rower presenting with an uncommon condition of Proliferative Myositis (PM) affecting the Latissimus Dorsi (LD). PM is a rare, benign tumour infrequently developing in the upper back. Its rapid growth and firm consistency may mistake it for sarcoma at presentation. Therefore, careful multidisciplinary work-up is crucial, and should involve appropriate radiological and histopathological investigations. Here, we propose the aetiology of LD PM to be persistent myotrauma induced by repetitive rowing motions...
August 8, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/29340343/what-is-the-impact-of-epstein-barr-virus-in-peri-implant-infection
#18
Luigi Canullo, Paolo Pesce, Daniele Botticelli, Ugo Covani, Sasha Jankovic, Tanja Jovanovic, Mia Rakic
PURPOSE: To compare the qualitative and quantitative profile of Epstein-Barr virus (EBV) at external and internal implant surfaces between participants with peri-implantitis and healthy peri-implant tissues and to quantitatively assess the relation between EBV and periopathogens inside the microbiologic profile associated with peri-implantitis. MATERIALS AND METHODS: Microbiologic specimens were retrieved from 84 patients wearing 190 implants to estimate the levels of EBV and 10 periopathogens in the peri-implant pocket and internal-implant connection using quantitative polymerase chain reaction...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340001/neuromuscular-control-during-the-bench-press-movement-in-an-elite-disabled-and-able-bodied-athlete
#19
Artur Gołaś, Anna Zwierzchowska, Adam Maszczyk, Michał Wilk, Petr Stastny, Adam Zając
The disabled population varies significantly in regard to physical fitness, what is conditioned by the damage to the locomotor system. Recently there has been an increased emphasis on the role of competitive sport in enhancing health and the quality of life of individuals with disability. One of the sport disciplines of Paralympics is the flat bench press. The bench press is one of the most popular resistance exercises used for the upper body in healthy individuals. It is used not only by powerlifters, but also by athletes in most strength-speed oriented sport disciplines...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29339438/quantifying-exosome-secretion-from-single-cells-reveals-a-modulatory-role-for-gpcr-signaling
#20
Frederik Johannes Verweij, Maarten P Bebelman, Connie R Jimenez, Juan J Garcia-Vallejo, Hans Janssen, Jacques Neefjes, Jaco C Knol, Richard de Goeij-de Haas, Sander R Piersma, S Rubina Baglio, Matthijs Verhage, Jaap M Middeldorp, Anoek Zomer, Jacco van Rheenen, Marc G Coppolino, Ilse Hurbain, Graça Raposo, Martine J Smit, Ruud F G Toonen, Guillaume van Niel, D Michiel Pegtel
Exosomes are small endosome-derived extracellular vesicles implicated in cell-cell communication and are secreted by living cells when multivesicular bodies (MVBs) fuse with the plasma membrane (PM). Current techniques to study exosome physiology are based on isolation procedures after secretion, precluding direct and dynamic insight into the mechanics of exosome biogenesis and the regulation of their release. In this study, we propose real-time visualization of MVB-PM fusion to overcome these limitations. We designed tetraspanin-based pH-sensitive optical reporters that detect MVB-PM fusion using live total internal reflection fluorescence and dynamic correlative light-electron microscopy...
January 16, 2018: Journal of Cell Biology
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