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https://www.readbyqxmd.com/read/28817255/nonacene-generated-by-on-surface-dehydrogenation
#1
Rafal Zuzak, Ruth Dorel, Mariusz Krawiec, Bartosz Such, Marek Kolmer, Marek Szymonski, Antonio M Echavarren, Szymon Godlewski
The on-surface synthesis of nonacene has been accomplished by dehydrogenation of an air-stable partially saturated precursor, which could be aromatized by using a combined scanning tunneling and atomic force microscope (STM/AFM) as well as by on-surface annealing. This transformation allowed the in-detail analysis of the electronic properties of nonacene molecules physisorbed on Au(111) by scanning tunneling spectroscopy (STS) measurements. The spatial mapping of molecular orbitals was corroborated by density functional theory (DFT) calculations...
August 17, 2017: ACS Nano
https://www.readbyqxmd.com/read/28816914/congenital-hypotonia-in-toddlerhood
#2
Naomi Steiner, Alcy Torres, Arathi Reddy, Marilyn Augustyn
David is a 22-month-old boy who is new to your practice. He recently moved from a rural area in the Midwest. His father is in the United States Air Force, and his mother works as a full-time homemaker. Their household includes 5 older siblings. The family moves every year because of the father's Air Force placement.David was born full-term in Virginia, with no reported pregnancy complications and no alcohol, tobacco, or drug exposure. He was delivered vaginally, with Apgar scores of 7 and 9, respectively and no respiratory issues...
August 9, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28816431/carbon-nanotubes-arranged-as-smart-interfaces-in-lipid-langmuir-blodgett-films-enhancing-the-enzymatic-properties-of-penicillinase-for-biosensing-applications
#3
Fabio Scholl, Paulo Morais, Rayla Gabriel, Michael J Schöning, Jose Roberto Siqueira, Luciano Caseli
In this paper, carbon nanotubes (CNTs) were incorporated in penicillinase-phospholipid Langmuir and Langmuir-Blodgett (LB) films to enhance the enzyme catalytic properties. Adsorption of the penicillinase and CNTs at dimyristoylphosphatidic acid (DMPA) monolayers at the air-water interface was investigated by surface pressure-area isotherms, vibrational spectroscopy and Brewster angle microscopy. The floating monolayers were transferred to solid supports through the LB technique, forming mixed DMPA-CNTs-PEN films, which were investigated by quartz crystal microbalance, vibrational spectroscopy, and atomic force microscopy...
August 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28814783/mycoplasma-pneumoniae-associated-bronchiolitis-obliterans-following-acute-bronchiolitis
#4
Chengsong Zhao, Jinrong Liu, Haiming Yang, Li Xiang, Shunying Zhao
The characteristics of Mycoplasma pneumonia (M. pneumoniae)-associated bronchiolitis obliterans (BO) are not well known. We retrospectively reviewed 17 patients with M. pneumoniae-associated BO. All patients had M. pneumoniae-associated acute bronchiolitis prior to the development of BO. In the acute bronchiolitis stage, all patients had fever and cough; six patients also had wheezing and dyspnoea. BO was diagnosed approximately 1.5-8 months later based on clinical manifestations and chest high-resolution computed tomography (HRCT) findings...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814026/design-and-characterization-of-low-cost-fabric-based-flat-pneumatic-actuators-for-soft-assistive-glove-application
#5
Hong Kai Yap, Frederick Sebastian, Christopher Wiedeman, Chen-Hua Yeow
We present the design of low-cost fabric-based Hat pneumatic actuators for soft assistive glove application. The soft assistive glove is designed to assist hand impaired patients in performing activities of daily living and rehabilitation. The actuators consist of flexible materials such as fabric and latex bladder. Using zero volume actuation concept, the 2D configuration of the actuators simplifies the manufacturing process and allows the actuators to be more compact. The actuators achieve bi-directional flexion and extension motions...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28810993/prevalence-and-trends-of-cigarette-smoking-among-military-personnel-in-taiwan-results-of-10-year-anti-smoking-health-promotion-programs-in-military
#6
Nain-Feng Chu, Fu-Huang Lin, Yi-Chang Wu
OBJECTIVES: The purpose of this study is to evaluate the prevalence and trends of cigarette smoking among young military conscripts, military officers, and military university students during recently 10 years in Taiwan. METHODS: Repeated cross-sectional surveys were conducted annually among young military conscripts and military university students from 2006 to 2014. All the young conscripts were reviewed within 1 month at the military training center and before retiring after 1 year of military services...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810976/women-s-health-knowledge-and-skills-among-transitional-year-internship-trained-military-medical-officers-serving-as-independent-health-care-providers
#7
Ryan J Heitmann, Crystal B Hammons, Alison L Batig
BACKGROUND: Women comprise 14.5% of active duty service members. Delivery of women's health services is a critical component to personal, medical, and mission readiness. Our objective was to evaluate the knowledge, skills, and practices pertaining to basic elements of women's/reproductive health issues among transitional internship-trained general medical officers in the Army, Navy, and Air Force. MATERIALS AND METHODS: This is a cross-sectional survey study of transitional internship-trained graduates from 2012 to 2015 who transitioned to an operational assignment as an independent provider after internship graduation...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810972/when-military-fitness-standards-no-longer-apply-the-high-prevalence-of-metabolic-syndrome-in-recent-air-force-retirees
#8
Marcus M Cranston, Mark W True, Jana L Wardian, Rishawn M Carriere, Tom J Sauerwein
BACKGROUND: Metabolic syndrome (MetS) is strongly associated with cardiovascular disease. With MetS prevalence rates increasing in the U.S. population, prevention efforts have largely focused on diet and exercise interventions. Before retirement, military service members have met fitness requirements for at least 20 years, and have lower MetS rates compared to age-matched U.S. population controls (23.4% vs. 39.0%), which suggests a protective effect of the lifestyle associated with military service...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810957/treatment-seeking-beliefs-and-behaviors-in-air-force-nursing-personnel
#9
Stephen H A Hernandez, Brenda J Morgan, Mark B Parshall
INTRODUCTION: Perceptions of stigma and barriers associated with seeking mental health services have been described in past research with military service members who reported or screened positively for mental health concerns or who reported an intention to seek care. The reported influence of stronger perceptions of stigma on treatment seeking has varied. MATERIALS AND METHODS: An anonymous, online survey was administered to Air Force nursing personnel (N = 250) at three locations to describe beliefs associated with seeking mental health treatment and to investigate the extent to which stigma and barriers, stress, and resilience were related to mental health treatment seeking...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810625/inhaled-corticosteroids-improve-lung-function-airway-hyper-responsiveness-and-airway-inflammation-but-not-symptom-control-in-patients-with-mild-intermittent-asthma-a-meta-analysis
#10
Wei Du, Ling Zhou, Yingmeng Ni, Yuanyuan Yu, Fang Wu, Guochao Shi
It remains controversial whether inhaled corticosteroid (ICS) should be used in patients with intermittent asthma. The present study aimed to assess the effect of ICS compared with placebo or other therapies in patients with intermittent asthma. Medline, Embase and CNKI databases were searched up to June 2016 and a meta-analysis was conducted. The findings demonstrated that in adult patients, when compared with placebo, ICS increased forced expiratory volume in 1 sec FEV1 [standardized mean difference (SMD), 0...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808693/the-simulated-air-flow-pattern-around-a-moving-animal-transport-vehicle-as-the-basis-for-a-prospective-biosecurity-risk-assessment
#11
Jens Seedorf, Ralf-Gunther Schmidt
Research that investigates bioaerosol emissions from animal transport vehicles (ATVs) and their importance in the spread of harmful airborne agents while the ATVs travel on roads is limited. To investigate the dynamical behaviour of theoretically released particles from a moving ATV, the open-source computational fluid dynamics (CFD) software OpenFOAM was used to calculate the external and internal air flow fields with passive and forced ventilated openings of a common ATV moving at a speed of 80 km/h. In addition to a computed flow rate of approximately 40,000 m(3)/h crossing the interior of the ATV, the visualization of the trajectories has demonstrated distinct patterns of the spatial distribution of potentially released bioaerosols in the vicinity of the ATV...
August 2017: Heliyon
https://www.readbyqxmd.com/read/28803437/geographic-variation-in-chinese-children-forced-vital-capacity-and-its-association-with-long-term-exposure-to-local-pm10-a-national-cross-sectional-study
#12
Hai-Jun Wang, Qin Li, Yuming Guo, Jie-Yun Song, Zhiqiang Wang, Jun Ma
The purpose of this study was to estimate the association between Chinese children's forced vital capacity (FVC) and particulate matter with aerodynamic diameter ≤10 μm (PM10). The FVC data of 71,763 children aged 7 to 18 was collected from 2010 Chinese National Survey on Students' Construction and Health (CNSSCH). The local annual average concentration of PM10, relative humidity, ambient temperature, and other air pollutant data of 30 cities was collected from China Meteorological Administration and Ministry of Environment Protection of China...
August 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28803201/influence-of-architectural-style-on-indoor-radon-concentration-in-a-radon-prone-area-a-case-study
#13
A Baeza, J García-Paniagua, J Guillén, B Montalbán
Indoor radon is a major health concern as it is a known carcinogenic. Nowadays there is a trend towards a greater energy conservation in buildings, which is reflected in an increasing number of regulations. But, can this trend increase the indoor radon concentration? In this paper, we selected a radon prone area in Spain and focused on single-family dwellings constructed in a variety of architectural styles. These styles ranged from 1729 up to 2014, with varying construction techniques (from local resources to almost universally standard building materials) and regulations in force (from none to the Spanish regulation in force)...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28802697/the-insertion-of-polybia-mp1-into-phospholipid-monolayers-is-regulated-by-its-anionic-nature-and-phase-state
#14
Dayane S Alvares, Natalia Wilke, João Ruggiero Neto, Maria Laura Fanani
Polybia-MP1 or simply MP1 (IDWKKLLDAAKQIL-NH2) is a peptide with broad-spectrum bactericidal activity and a strong inhibitory effect against cancer cells. The aim of this work was to evaluate the effect of biophysical properties such as membrane texture and film thickness on MP1 interaction with neutral and anionic lipid membranes. For this purpose, we first explored the peptide's surface behavior. MP1 showed high surface activity, adsorbing onto bare air/aqueous interfaces up to higher surface pressures than the collapse pressure of MP1 Langmuir films...
August 9, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28802694/exposure-to-ambient-particulate-matter-is-associated-with-accelerated-functional-decline-in-idiopathic-pulmonary-fibrosis
#15
Christopher J Winterbottom, Rupal J Shah, Karen C Patterson, Maryl E Kreider, Reynold A Panettieri, Belinda Rivera-Lebron, Wallace T Miller, Leslie A Litzky, Trevor M Penning, Krista Heinlen, Tara Jackson, A Russell Localio, Jason D Christie
BACKGROUND: Idiopathic pulmonary fibrosis (IPF), a progressive disease with unknown pathogenesis, may in part be due to an abnormal response to injurious stimuli by alveolar epithelial cells. Air pollution and particulate matter inhalation evoke a wide variety of pulmonary and systemic inflammatory diseases. We therefore hypothesized that increased average ambient particulate matter (PM) concentrations would be associated with an accelerated rate of decline in forced vital capacity (FVC) in IPF...
August 9, 2017: Chest
https://www.readbyqxmd.com/read/28800725/a-novel-thermal-compression-device-for-perioperative-warming-a-randomized-trial-for-feasibility-and-efficacy
#16
Peter Luke Santa Maria, Chloe Santa Maria, Andreas Eisenried, Nathalia Velasquez, Brian Thomas Kannard, Abhinav Ramani, David Mark Kahn, Amanda Jane Wheeler, John Gerhard Brock-Utne
BACKGROUND: Inadvertent perioperative hypothermia (IPH) leads to surgical complications and increases length of stay. IPH rates are high with the current standard of care, forced air warming (FAW). Our hypothesis is that a prototype thermal compression device that heats the popliteal fossa and soles of the feet, with lower leg compression, increases perioperative temperatures and reduces IPH compared to the current standard of care. METHODS: Thirty six female breast surgery patients, at a tertiary academic hospital, were randomized to the device or intraoperative FAW (stage I) with a further 18 patients randomized to the device with a single heating area only (stage II, popliteal fossa or sole of the feet)...
August 11, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28800103/the-ultrasonic-directional-tidal-breathing-pattern-sensor-equitable-design-realization-based-on-phase-information
#17
Arijit Sinharay, Raj Rakshit, Anwesha Khasnobish, Tapas Chakravarty, Deb Ghosh, Arpan Pal
Pulmonary ailments are conventionally diagnosed by spirometry. The complex forceful breathing maneuver as well as the extreme cost of spirometry renders it unsuitable in many situations. This work is aimed to facilitate an emerging direction of tidal breathing-based pulmonary evaluation by designing a novel, equitable, precise and portable device for acquisition and analysis of directional tidal breathing patterns, in real time. The proposed system primarily uses an in-house designed blow pipe, 40-kHz air-coupled ultrasound transreceivers, and a radio frequency (RF) phase-gain integrated circuit (IC)...
August 11, 2017: Sensors
https://www.readbyqxmd.com/read/28798197/corp-measurement-of-lung-function-in-small-animals
#18
Jason H T Bates
The measurement of lung function in mice and rats is crucial for understanding how well small animal models of pulmonary disease recapitulate human clinical pathology, but brings with it the challenge of making accurate measurements in animals as small as a mouse. Overcoming these challenges can be achieved in a number of ways, each based on a model idealization of how the lung works as a mechanical system. Accordingly, it is important to understand the theoretical basis on which an assessment of lung function rests in order to interpret experimental measurements appropriately...
August 10, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28794576/effective-rheology-of-two-phase-flow-in-three-dimensional-porous-media-experiment-and-simulation
#19
Santanu Sinha, Andrew T Bender, Matthew Danczyk, Kayla Keepseagle, Cody A Prather, Joshua M Bray, Linn W Thrane, Joseph D Seymour, Sarah L Codd, Alex Hansen
We present an experimental and numerical study of immiscible two-phase flow of Newtonian fluids in three-dimensional (3D) porous media to find the relationship between the volumetric flow rate (Q) and the total pressure difference ([Formula: see text]) in the steady state. We show that in the regime where capillary forces compete with the viscous forces, the distribution of capillary barriers at the interfaces effectively creates a yield threshold ([Formula: see text]), making the fluids reminiscent of a Bingham viscoplastic fluid in the porous medium...
2017: Transport in Porous Media
https://www.readbyqxmd.com/read/28794447/the-role-of-local-heating-in-the-2015-indian-heat-wave
#20
Debjani Ghatak, Benjamin Zaitchik, Christopher Hain, Martha Anderson
India faced a major heat wave during the summer of 2015. Temperature anomalies peaked in the dry period before the onset of the summer monsoon, suggesting that local land-atmosphere feedbacks involving desiccated soils and vegetation might have played a role in driving the heat extreme. Upon examination of in situ data, reanalysis, satellite observations, and land surface models, we find that the heat wave included two distinct peaks: one in late May, and a second in early June. During the first peak we find that clear skies led to a positive net radiation anomaly at the surface, but there is no significant sensible heat flux anomaly within the core of the heat wave affected region...
August 9, 2017: Scientific Reports
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