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https://www.readbyqxmd.com/read/29786900/avian-demographic-responses-to-drought-and-fire-a-community-level-perspective
#1
James F Saracco, Stephen M Fettig, George L San Miguel, David W Mehlman, Steven K Albert
Drought stress is an important consideration for wildlife in arid and semi-arid regions under climate change. Drought can impact plant and animal populations directly, through effects on their physiology, as well as indirectly through effects on vegetation productivity and resource availability, and by creating conditions conducive to secondary disturbance, such as wildfire. We implemented a novel approach to understanding community-level demographic responses of birds and their habitats to these stressors in the context of climate change at 14 study sites in the Four Corners region of the southwestern United States...
May 22, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29786694/spin-supersolid-phase-in-coupled-alternating-spin-chains
#2
F Heydarinasab, J Abouie
We study the ground state phase diagram of a two dimensional mixed-spin system of coupled alternating spin-1 and 1/2 chains with a stripe supersolid phase. Utilizing different analytical and numerical approaches such as mean field approximation, cluster mean field theory and linear spin wave theory, we demonstrate that our system displays a rich ground state phase diagram including novel stripe supersolid, solids with different fillings and super-counterfluid phases, in addition to a stripe solid with half filling, superfluid and Mott insulating phases...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29785569/association-between-firearm-laws-and-homicide-in-urban-counties
#3
Cassandra K Crifasi, Molly Merrill-Francis, Alex McCourt, Jon S Vernick, Garen J Wintemute, Daniel W Webster
Laws related to the sale, use, and carrying of firearms have been associated with differences in firearm homicide rates at the state level. Right-to-carry (RTC) and stand your ground (SYG) laws are associated with increases in firearm homicide; permit-to-purchase (PTP) laws and those prohibiting individuals convicted of violent misdemeanors (VM) have been associated with decreases in firearm homicide. Evidence for the effect of comprehensive background checks (CBC) not tied to PTP is inconclusive. Because firearm homicide tends to concentrate in urban areas, this study was designed to test the effects of firearm laws on homicide in large, urban U...
May 21, 2018: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/29784776/time-dependent-view-of-an-isotope-effect-in-electron-nuclear-nonequilibrium-dynamics-with-applications-to-n-2
#4
Jayanth S Ajay, Ksenia G Komarova, Francoise Remacle, R D Levine
Isotopic fractionation in the photodissociation of N2 could explain the considerable variation in the 14 N/15 N ratio in different regions of our galaxy. We previously proposed that such an isotope effect is due to coupling of photoexcited bound valence and Rydberg electronic states in the frequency range where there is strong state mixing. We here identify features of the role of the mass in the dynamics through a time-dependent quantum-mechanical simulation. The photoexcitation of N2 is by an ultrashort pulse so that the process has a sharply defined origin in time and so that we can monitor the isolated molecule dynamics in time...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29784612/risk-of-progression-of-nonalbuminuric-ckd-to-end-stage-kidney-disease-in-people-with-diabetes-the-cric-chronic-renal-insufficiency-cohort-study
#5
Digsu N Koye, Dianna J Magliano, Christopher M Reid, Christopher Jepson, Harold I Feldman, William H Herman, Jonathan E Shaw
BACKGROUND: Reduced glomerular filtration rate (GFR) in the absence of albuminuria is a common manifestation of chronic kidney disease (CKD) in diabetes. However, the frequency with which it progresses to end-stage kidney disease (ESKD) is unknown. STUDY DESIGN: Multicenter prospective cohort study. SETTING & PARTICIPANTS: We included 1,908 participants with diabetes and reduced GFR enrolled in the Chronic Renal Insufficiency Cohort (CRIC) Study in the United States...
May 18, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29784448/injury-severity-analysis-of-commercially-licensed-drivers-in-single-vehicle-crashes-accounting-for-unobserved-heterogeneity-and-age-group-differences
#6
Mohamed Osman, Sabyasachee Mishra, Rajesh Paleti
This study analyzes the injury severity of commercially-licensed drivers involved in single-vehicle crashes. Considering the discrete ordinal nature of injury severity data, the ordered response modeling framework was adopted. The moderating effect of driver's age on all other factors was examined by segmenting the parameters by driver's age group. Additional effects of the different drivers' age groups are taken into consideration through interaction terms. Unobserved heterogeneity of the different covariates was investigated using the Mixed Generalized Ordered Response Probit (MGORP) model...
May 18, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29784330/risk-assessment-model-for-different-foodstuff-drying-methods-via-ahp-fce-method-a-case-study-of-coal-burning-fluorosis-area-of-yunan-and-guizhou-province-china
#7
Haixia Pu, Kunli Luo, Shixi Zhang
Fluorosis is still a serious public health problem in China according to our field investigation. Current foodstuff drying methods were studied to evaluate the state of foodstuff contamination, including burning mixed coal (MC)/coal washing wastes (CWWs)/lump coal (LC)/fuelwood/fine coal + fixing materials (FCFM)/CWWs + fixing materials (CFM) in open stove (OS), honeycomb briquettes (HB) in improved stove (IS), sun-drying. The results demonstrate that elemental contents of F, As, Cd, Cr and Pb in roasted grain were 1...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29784034/comparison-of-three-imaging-modalities-used-to-evaluate-bone-healing-after-tibial-tuberosity-advancement-in-cranial-cruciate-ligament-deficient-dogs-and-comparison-of-the-effect-of-a-gelatinous-matrix-and-a-demineralized-bone-matrix-mix-on-bone-healing-a-pilot
#8
Marije Risselada, Matthew D Winter, Daniel D Lewis, Emily Griffith, Antonio Pozzi
BACKGROUND: Bone healing and assessment of the state of bone bridging is an important part of clinical orthopedics, whether for fracture healing or for follow up of osteotomy procedures. Tibial tuberosity advancement (TTA) is designed to restore stability in cruciate deficient stifle joints by advancing the tuberosity while creating an osteotomy gap. The current study aims to: 1) compare three different imaging modalities to assess bone healing: ultrasound, radiographs and computed tomography (CT) and, to 2) compare the effect of a gelatinous matrix (GM) versus a demineralized bone matrix mix (DBM mix) on bone healing and bridging of this osteotomy gap in 10 otherwise healthy client-owned dogs with cranial cruciate ligament insufficiency...
May 22, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29782385/organizational-supports-for-research-evidence-use-in-state-public-health-agencies-a-latent-class-analysis
#9
Hengrui Hu, Peg Allen, Yan Yan, Rodrigo S Reis, Rebekah R Jacob, Ross C Brownson
OBJECTIVE: Use of research evidence in public health decision making can be affected by organizational supports. Study objectives are to identify patterns of organizational supports and explore associations with research evidence use for job tasks among public health practitioners. DESIGN: In this longitudinal study, we used latent class analysis to identify organizational support patterns, followed by mixed logistic regression analysis to quantify associations with research evidence use...
April 30, 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29782225/a-comparison-of-reproductive-and-energetic-states-in-a-marine-apex-predator-the-tiger-shark-galeocerdo-cuvier
#10
Neil Hammerschlag, Rachel A Skubel, James Sulikowski, Duncan J Irschick, Austin J Gallagher
To fuel the high energetic demands of reproduction, vertebrates employ different tactics of resource use. Large sharks exhibit long gestation periods and have relatively few well-developed young, which likely incurs high energetic costs. However, information on the relationship between the reproductive and energetic states for most shark species is lacking. In the present study, we used a noninvasive approach to assess relationships among reproductive stage, plasma triglyceride levels, body condition, and circulating reproductive hormones in free-ranging female tiger sharks (Galeocerdo cuvier)...
July 2018: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/29782146/multiscale-interfacial-strategy-to-engineer-mixed-metal-oxide-anodes-towards-an-enhanced-cycling-efficiency
#11
Yue Ma, Cheuk-Wai Tai, Shaowen Li, Kristina Edstrom, Bingqing Wei
Interconnected macro/mesoporous structures of mixed metal oxide (MMO) are developed on nickel foam as free-standing anodes for Li-ion batteries. The sustainable production is realized via a wet chemical etching process with bio-friendly chemicals. By means of the divalent iron doping during an in-situ re-crystallization process, the as-developed MMO anodes exhibit the enhanced levels of cycling efficiency. Furthermore, this atomic-scale modification coherently synergies with the encapsulation layer across a micrometer scale...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29781499/open-flow-non-enzymatic-template-catalysis-and-replication
#12
Larwsk H Gonçalves da Silva, David Hochberg
Template induced replication is the basis of multiplication and reproduction in nature and underlies the importance of gaining a detailed understanding of its mechanisms in terms of chemical reaction networks. We analyze numerically the stationary state solutions for a class of autocatalytic reactions based on reversible template assisted ligation with first and second order catalysis and governed by mass-action kinetics. Chemical thermodynamics leads to constraints on the reaction rate constants which result in very low template yield in systems subject to fixed external concentrations...
May 21, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29781388/hospitalization-metrics-associated-with-hospital-level-variation-in-inferior-vena-cava-filter-utilization-for-patients-with-venous-thromboembolism-in-the-united-states-implications-for-quality-of-care
#13
Ming Chen, Amie Goodin, Hong Xiao, Qiong Han, Driss Raissi, Joshua Brown
Variation in the use of inferior vena cava filters (IVCFs) across hospitals has been observed, suggesting differences in quality of care. Hospitalization metrics associated with venous thromboembolism (VTE) patients have not been compared based on IVCF utilization rates using a national sample. We conducted a descriptive retrospective study using the Nationwide Readmissions Database (NRD) to delineate the variability of hospitalization metrics across the hospital quartiles of IVCF utilization for VTE patients...
May 1, 2018: Vascular Medicine
https://www.readbyqxmd.com/read/29781341/bullying-and-attitudes-toward-masculinity-in-croatian-schools-behavioral-and-emotional-characteristics-of-students-who-bully-others
#14
Natko Gereš, Pamela Orpinas, Urelija Rodin, Danijela Štimac-Grbić, Aida Mujkić
Prevention of bullying is paramount to creating a positive and welcoming school environment. This study compared the following characteristics reported by students who had perpetrated bullying in Croatian schools and those who did not: gender, type of school, family wealth, negative emotionality, behaviors that may compromise health, and endorsement of traditional masculinity. Within the framework of the "Croatian Adolescent Masculinity Study," second and third grade students of secondary schools (equivalent to tenth and eleventh grade in the United States) in the city of Zagreb ( N = 4,072) completed a cross-sectional, paper-and-pencil survey...
May 1, 2018: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29780473/understanding-the-charge-transport-properties-of-redox-active-metal-organic-conjugated-wires
#15
Donglei Bu, Yingqi Xiong, Ying Ning Tan, Miao Meng, Paul J Low, Dai-Bin Kuang, Chun Y Liu
Layer-by-layer assembly of the dirhodium complex [Rh2 (O2 CCH3 )4 ] (Rh2 ) with linear N , N '-bidentate ligands pyrazine (LS ) or 1,2-bis(4-pyridyl)ethene (LL ) on a gold substrate has developed two series of redox active molecular wires, (Rh2 LS ) n @Au and (Rh2 LL ) n @Au ( n = 1-6). By controlling the number of assembling cycles, the molecular wires in the two series vary systematically in length, as characterized by UV-vis spectroscopy, cyclic voltammetry and atomic force microscopy. The current-voltage characteristics recorded by conductive probe atomic force microscopy indicate a mechanistic transition for charge transport from voltage-driven to electrical field-driven in wires with n = 4, irrespective of the nature and length of the wires...
April 14, 2018: Chemical Science
https://www.readbyqxmd.com/read/29779451/mixed-emotions-an-incentive-motivational-model-of-sexual-deviance
#16
Wineke J Smid, Edwin C Wever
Sexual offending behavior is a complex and multifaceted phenomenon. Most existing etiological models describe sexual offending behavior as a variant of offending behavior and mostly include factors referring to disinhibition and sexual deviance. In this article, we argue that there is additional value in describing sexual offending behavior as sexual behavior in terms of an incentive model of sexual motivation. The model describes sexual arousal as an emotion, triggered by a competent stimulus signaling potential reward, and comparable to other emotions coupled with strong bodily reactions...
May 1, 2018: Sexual Abuse: a Journal of Research and Treatment
https://www.readbyqxmd.com/read/29779427/alcohol-mixed-with-energy-drinks-and-sexually-related-causes-of-conflict-in-the-barroom
#17
Natalie J Ball, Kathleen E Miller, Brian M Quigley, Rebecca K Eliseo-Arras
The popularity of alcohol mixed with energy drinks (AmED) among young adults has spurred studies that focus on its links to aggression and risk-taking behaviors, including risky sex and sexual victimization. However, no studies to date have looked at the relationship between AmED and causes of interpersonal conflict in bars at the event level. The present study evaluated whether AmED use at the time of the bar conflict was associated with greater odds that a bar conflict would be precipitated by sexually related causes...
May 1, 2018: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29778547/relation-of-inflammatory-markers-with-symptoms-of-psychotic-disorders-a-large-cohort-study
#18
E J Liemburg, I M Nolte, H C Klein, H Knegtering, R Bruggeman, E Visser, A A Bartels-Velthuis, W Veling
AIMS: Immunological mechanisms may play a role in symptomatology of patients with a psychotic disorder. Besides metabolic problems and medication use, inflammatory processes that may occur due to the disorder may cause increased inflammatory markers and concurrent psychiatric symptoms. The aim of this study is to investigate whether levels of C-reactive protein (CRP) and white blood cell count (WBC) are related to positive and negative symptoms of psychotic disorders, and whether age, gender, duration of illness, smoking behavior, haloperidol equivalents, mediation use, body mass, and metabolic syndrome affect this relation...
May 17, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29778482/randomized-noninferiority-field-trial-evaluating-cephapirin-sodium-for-treatment-of-nonsevere-clinical-mastitis
#19
T Tomazi, T A F Lopes, V Masson, J M Swinkels, M V Santos
The general objective of this study was to evaluate whether cephapirin sodium is noninferior compared with a positive control broad-spectrum product formulated with a combination of antimicrobials for intramammary treatment of nonsevere clinical mastitis. In addition, we compared the efficacy of treatments on the cure risks of pathogen groups (gram-positive, gram-negative, and cultures with no growth) based on culture results. A total of 346 cows distributed in 31 commercial dairy herds were selected to participate in the study, although only 236 met the criteria for evaluation of microbiological cure...
May 16, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29777042/rates-of-infection-after-colonoscopy-and-osophagogastroduodenoscopy-in-ambulatory-surgery-centres-in-the-usa
#20
Peiqi Wang, Tim Xu, Saowanee Ngamruengphong, Martin A Makary, Anthony Kalloo, Susan Hutfless
OBJECTIVE: Over 15 million colonoscopies and 7 million osophagogastroduodenoscopies (OGDs) are performed annually in the USA. We aimed to estimate the rates of infections after colonoscopy and OGD performed in ambulatory surgery centres (ASCs). DESIGN: We identified colonoscopy and OGD procedures performed at ASCs in 2014 all-payer claims data from six states in the USA. Screening mammography, prostate cancer screening, bronchoscopy and cystoscopy procedures were comparators...
May 18, 2018: Gut
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