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https://www.readbyqxmd.com/read/28241637/optimization-of-physical-conditions-for-a-diode-pumped-cesium-vapor-laser
#1
Guofei An, You Wang, Juhong Han, He Cai, Shunyan Wang, Hang Yu, Kepeng Rong, Wei Zhang, Liangping Xue, Hongyuan Wang, Jie Zhou
A diode-pumped alkali laser (DPAL) is thought to provide the significant promise for construction of high-powered lasers in the future. To examine the kinetic processes of the gas-state media (cesium vapor in this study), a mathematical model is developed while the processes including normal 3-enegry-level transition, energy pooling, and ionization are taken into account in this report. The procedures of heat transfer and laser kinetics are combined together in creating the model. We systemically investigate the influences of the temperature, cell length, and cell radius on the output features of a diode-pumped cesium vapor laser...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241595/using-tunnel-junctions-to-grow-monolithically-integrated-optically-pumped-semipolar-iii-nitride-yellow-quantum-wells-on-top-of-electrically-injected-blue-quantum-wells
#2
Stacy J Kowsz, Erin C Young, Benjamin P Yonkee, Christopher D Pynn, Robert M Farrell, James S Speck, Steven P DenBaars, Shuji Nakamura
We report a device that monolithically integrates optically pumped (20-21) III-nitride quantum wells (QWs) with 560 nm emission on top of electrically injected QWs with 450 nm emission. The higher temperature growth of the blue light-emitting diode (LED) was performed first, which prevented thermal damage to the higher indium content InGaN of the optically pumped QWs. A tunnel junction (TJ) was incorporated between the optically pumped and electrically injected QWs; this TJ enabled current spreading in the buried LED...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241536/determination-of-the-refractive-index-and-thickness-of-a-hydroxide-catalysis-bond-between-fused-silica-from-reflectivity-measurements
#3
V Mangano, A A van Veggel, R Douglas, J Faller, A Grant, J Hough, S Rowan
Hydroxide-catalysis bonding is a high precision jointing technique producing strong, transparent and thin bonds, the use of which in the delicate fused silica mirror suspensions of aLIGO have been instrumental in the first detections of gravitational radiation. More sensitive future gravitational wave detectors will require more accurate (ideally in situ) measurements of properties such as bond thickness. Here a non-destructive technique is presented in which the thickness and refractive index of a bond are determined from measurements of optical reflectivity...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241506/influencing-factors-of-the-body-mass-index-of-elementary-students-in-southern-taiwan
#4
Li-Na Chou, Min-Li Chen
The body mass index (BMI) of school children in Taiwan is markedly increasing. According to statistical data from the Taiwan Ministry of Education, the prevalence of obesity in school children from the southern part of the country is the highest in Taiwan. Thus, exploring the factors influencing BMI in elementary school children from southern Taiwan is crucial. This study investigated the influencing factors including physical activity levels, sedentary behaviors, dietary habits, and perceived body shape on the BMIs of elementary school children from southern Taiwan...
February 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28241504/trends-of-esophageal-cancer-mortality-in-rural-china-from-1989-to-2013-an-age-period-cohort-analysis
#5
Xudong Gao, Zhenkun Wang, Chan Kong, Fen Yang, Ying Wang, Xiaodong Tan
Background: Esophageal cancer is one of the most common cancers in rural China. The aim of this study was to describe the time trends of esophageal cancer mortality in rural China and to better elucidate the causes of these trends. Methods: The mortality data were obtained from the World Health Organization Mortality Database and the China Health Statistical Yearbook Database. The mortality data were analyzed with age-period-cohort (APC) analysis. Results: Our study indicates that the Age-Standardized Mortality Rates (ASMRs) in rural China generally decreased from 1989 to 2003, and thereafter increased until the year 2008 in both sexes...
February 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28241495/state-of-the-art-methods-for-skeletal-muscle-glycogen-analysis-in-athletes-the-need-for-novel-non-invasive-techniques
#6
REVIEW
Jacob Greene, Julien Louis, Olga Korostynska, Alex Mason
Muscle glycogen levels have a profound impact on an athlete's sporting performance, thus measurement is vital. Carbohydrate manipulation is a fundamental component in an athlete's lifestyle and is a critical part of elite performance, since it can provide necessary training adaptations. This paper provides a critical review of the current invasive and non-invasive methods for measuring skeletal muscle glycogen levels. These include the gold standard muscle biopsy, histochemical analysis, magnetic resonance spectroscopy, and musculoskeletal high frequency ultrasound, as well as pursuing future application of electromagnetic sensors in the pursuit of portable non-invasive quantification of muscle glycogen...
February 23, 2017: Biosensors
https://www.readbyqxmd.com/read/28241432/mediterranean-diet-and-its-correlates-among-adolescents-in-non-mediterranean-european-countries-a-population-based-study
#7
Dario Novak, Lovro Štefan, Rebeka Prosoli, Arunas Emeljanovas, Brigita Mieziene, Ivana Milanović, Snežana Radisavljević-Janić
Little is known about the factors which might influence the adherence to a Mediterranean diet in non-Mediterranean European countries. Thus, the main purpose of this study was to determine the associations between socioeconomic, psychological, and physical factors on a Mediterranean diet. In this cross-sectional study, participants were 14-18-year-old adolescents (N = 3071) from two non-Mediterranean countries: Lithuania (N = 1863) and Serbia (N = 1208). The dependent variable was Mediterranean diet, and was assessed with the Mediterranean Diet Quality Index for children and adolescents questionnaire...
February 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28241374/linking-above-and-belowground-traits-to-soil-and-climate-variables-an-integrated-database-on-china-s-grassland-species
#8
Yan Geng, Wenhong Ma, Liang Wang, Frank Baumann, Peter Kühn, Thomas Scholten, Jin-Sheng He
Knowledge of plant functional traits and trait-environment interactions is important for characterizing species strategies and understanding ecological processes. However, comprehensive field data on both above- and belowground traits, together with their environmental variables are scarce. Biome-scale studies are particularly lacking. Here we present two large-scale datasets that include functional traits of leaves and fine roots and their corresponding soil and climatic variables in China's grasslands. Leaf, fine root and soil samples were collected in three biogeographic regions: temperate grassland on the Inner Mongolia Plateau, alpine grassland on the Tibetan Plateau, and mountain grassland in the Xinjiang mountain areas...
February 27, 2017: Ecology
https://www.readbyqxmd.com/read/28241372/-differences-between-self-and-proxy-assessment-of-health-related-quality-of-life-in-patients-with-mild-cognitive-impairment-and-alzheimer-s-disease
#9
Philipp Heßmann, Maren Dreier, Iris Brandes, Richard Dodel, Erika Baum, Matthias J Müller, Monika Balzer-Geldsetzer
Objective The self-assessment of health-related quality of life (HrQoL) in patients with Alzheimer's disease (AD) and mild cognitive impairment is commonly higher than the proxy-assessment by caregivers. This study aims at evaluating sociodemographic and clinical factors to explain this difference. Methods HrQoL of 241 community-dwelling patients was analysed using the dementia-specific Quality of Life-Alzheimer's Disease questionnaire (QoL-AD). Behavioural and psychological symptoms and functional capacity were evaluated using the Geriatric Depression Scale (GDS), the Neuropsychiatric Inventory (NPI) and the Alzheimer's Disease Cooperative Study-Activities of Daily Living scale (ADCS-ADL)...
February 27, 2017: Psychiatrische Praxis
https://www.readbyqxmd.com/read/28241328/use-of-the-spencer-technique-on-collegiate-baseball-players-effect-on-physical-performance-and-self-report-measures
#10
Janine E Curcio, Matthew J Grana, Stacey England, Paige M Banyas, Benjamin D Palmer, Arielle E Placke, William A Rieck, Amber M Eade
CONTEXT: Repeated overhead throwing in baseball players alters range of motion (ROM), contributing to shoulder injury. The Spencer technique has been used, anecdotally, to reduce the effects of throwing-induced limitations in ROM. OBJECTIVE: To quantify the effects of a single administration of the Spencer technique on the ROM and performance of collegiate baseball pitchers. METHODS: Pitchers from the Seton Hill University men's baseball team were randomly assigned to 2 treatment groups: Spencer technique or sham therapy...
March 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28241196/sensitivity-to-morphosyntactic-information-in-3-year-old-children-with-typical-language-development-a-feasibility-study
#11
Patricia Deevy, Laurence B Leonard, Virginia A Marchman
Purpose: This study tested the feasibility of a method designed to assess children's sensitivity to tense/agreement information in fronted auxiliaries during online comprehension of questions (e.g., Are the nice little dogs running?). We expected that a group of children who were proficient in auxiliary use would show this sensitivity, indicating an awareness of the relation between the subject-verb sequence (e.g., dogs running) and preceding information (e.g., are). Failure to grasp this relation is proposed to play a role in the protracted inconsistency in auxiliary use in children with specific language impairment (SLI)...
February 22, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28241158/electronic-dura-mater-meddling-in-the-central-nervous-system
#12
Jocelyne Bloch, Stéphanie P Lacour, Grégoire Courtine
Importance: A growing number of neurologic treatments rely on neural implants capable of delivering electrical and chemical stimulation to targeted regions of the central nervous system for extended periods. Objective: To assess the potential of a novel class of multimodal neural implants, termed electronic dura mater or e-dura, to fulfill this need. Evidence Review: Results from preclinical applications of e-dura implants and clinical evidence...
February 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28241142/cancer-epigenetics-reading-the-future-of-leukaemia
#13
Alex W Wilkinson, Or Gozani
No abstract text is available yet for this article.
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241122/numerical-investigation-of-vasospasm-detection-by-extracranial-blood-velocity-ratios
#14
Jaiyoung Ryu, Nerissa Ko, Xiao Hu, Shawn C Shadden
BACKGROUND: Early diagnosis of vasospasm following subarachnoid hemorrhage can prevent cerebral ischemia and improve neurological outcomes. This study numerically evaluates the relevance of extracranial blood velocity indices to detect vasospasm. METHODS: A numerical model of cerebral blood flow was used to evaluate the hemodynamics associated with anterior and posterior vasospasm under normal and impaired cerebral autoregulation conditions. Extracranial blood velocities at the carotid and vertebral arteries and their ratios between ipsilateral and contralateral, anterior and posterior, and downstream and upstream arteries were monitored during vasospasm progression...
February 28, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28241112/lysine-deacetylase-inhibitors-in-parasites-past-present-and-future-perspectives
#15
Gebremedhin Solomon Hailu, Dina Robaa, Mariantonietta Forgione, Wolfgang Sippl, Dante Rotili, Antonello Mai
Current therapies for human parasite infections rely on a few drugs, most of which have severe side effects, and their helpfulness is being seriously compromised by the drug resistance problem. Globally, this is pushing discovery research of anti-parasitic drugs towards new agents endowed with new mechanisms of action. By using a "drug repurposing" strategy, histone deacetylase inhibitors (HDACi), which are presently clinically approved for cancer use, are now under investigation for various parasite infections...
February 27, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28241106/future-of-testicular-germ-cell-tumor-incidence-in-the-united-states-forecast-through-2026
#16
Armen A Ghazarian, Scott P Kelly, Sean F Altekruse, Philip S Rosenberg, Katherine A McGlynn
BACKGROUND: Testicular germ cell tumors (TGCTs) are rare tumors in the general population but are the most commonly occurring malignancy among males between ages 15 and 44 years in the United States (US). Although non-Hispanic whites (NHWs) have the highest incidence in the US, rates among Hispanics have increased the most in recent years. To forecast what these incidence rates may be in the future, an analysis of TGCT incidence in the Surveillance, Epidemiology, and End Results program and the National Program of Cancer Registries was conducted...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241092/adherence-to-national-comprehensive-cancer-network-guidelines-for-time-to-initiation-of-postoperative-radiation-therapy-for-patients-with-head-and-neck-cancer
#17
Evan M Graboyes, Elizabeth Garrett-Mayer, Anand K Sharma, Eric J Lentsch, Terry A Day
BACKGROUND: Adherence to evidence-based treatment guidelines has been proposed as a measure of cancer care quality. The objective of this study was to determine the rate and predictors of care that does not adhere to National Comprehensive Cancer Network guidelines regarding commencing postoperative radiation therapy (PORT) within 6 weeks of surgery for patients with head and neck squamous cell carcinoma (HNSCC). METHODS: The National Cancer Data Base was reviewed from 2006 to 2014, and patients with HNSCC who underwent curative-intent surgery followed by PORT were identified...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241077/%C3%AE-amanitin-resistance-in-drosophila-melanogaster-a-genome-wide-association-approach
#18
Chelsea L Mitchell, Catrina E Latuszek, Kara R Vogel, Ian M Greenlund, Rebecca E Hobmeier, Olivia K Ingram, Shannon R Dufek, Jared L Pecore, Felicia R Nip, Zachary J Johnson, Xiaohui Ji, Hairong Wei, Oliver Gailing, Thomas Werner
We investigated the mechanisms of mushroom toxin resistance in the Drosophila Genetic Reference Panel (DGRP) fly lines, using genome-wide association studies (GWAS). While Drosophila melanogaster avoids mushrooms in nature, some lines are surprisingly resistant to α-amanitin-a toxin found solely in mushrooms. This resistance may represent a pre-adaptation, which might enable this species to invade the mushroom niche in the future. Although our previous microarray study had strongly suggested that pesticide-metabolizing detoxification genes confer α-amanitin resistance in a Taiwanese D...
2017: PloS One
https://www.readbyqxmd.com/read/28241069/early-post-treatment-choroidal-thickness-to-alert-sunset-glow-fundus-in-patients-with-vogt-koyanagi-harada-disease-treated-with-systemic-corticosteroids
#19
Kiriko Hirooka, Wataru Saito, Kenichi Namba, Kazuomi Mizuuchi, Daiju Iwata, Yuki Hashimoto, Susumu Ishida
PURPOSE: To determine if early post-treatment central choroidal thickness (CCT) changes can predict sunset glow fundus (SGF) development in patients with Vogt-Koyanagi-Harada (VKH) disease treated using systemic corticosteroids. METHODS: This retrospective case series included 39 eyes of 21 treatment-naïve patients with acute VKH disease who could be followed up for more than 12 months after systemic corticosteroid therapy. The eyes were divided into two groups according to whether SGF was present or absent at 12 months (9 eyes of 5 patients versus 30 eyes of 16 patients, respectively)...
2017: PloS One
https://www.readbyqxmd.com/read/28241067/cyclin-y-mediated-transcript-profiling-reveals-several-important-functional-pathways-regulated-by-cyclin-y-in-hippocampal-neurons
#20
I-Seul Joe, Jong-Hwan Kim, Hanna Kim, Jung-Hwa Hong, Mirang Kim, Mikyoung Park
Cyclin Y (CCNY), which is a cyclin protein known to play a role in cell division, is unexpectedly and thus interestingly expressed in non-proliferating neuronal cells. There have been only a few studies reporting the neuronal functions of CCNY in synapse remodeling and hippocampal long-term potentiation. Therefore, we here provide global and comprehensive information on the putative functions of CCNY in biological and functional pathways in neuronal systems. We adopted high-throughput RNA-sequencing technology for analyzing transcriptomes regulated by CCNY and utilized bioinformatics for identifying putative molecules, biological processes, and functional pathways that are possibly connected to CCNY functions in hippocampal neuronal cells of rats...
2017: PloS One
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