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https://www.readbyqxmd.com/read/28724246/health-consequences-of-electric-lighting-practices-in-the-modern-world-a-report-on-the-national-toxicology-program-s-workshop-on-shift-work-at-night-artificial-light-at-night-and-circadian-disruption
#1
REVIEW
Ruth M Lunn, David E Blask, Andrew N Coogan, Mariana G Figueiro, Michael R Gorman, Janet E Hall, Johnni Hansen, Randy J Nelson, Satchidananda Panda, Michael H Smolensky, Richard G Stevens, Fred W Turek, Roel Vermeulen, Tania Carreón, Claire C Caruso, Christina C Lawson, Kristina A Thayer, Michael J Twery, Andrew D Ewens, Sanford C Garner, Pamela J Schwingl, Windy A Boyd
The invention of electric light has facilitated a society in which people work, sleep, eat, and play at all hours of the 24-hour day. Although electric light clearly has benefited humankind, exposures to electric light, especially light at night (LAN), may disrupt sleep and biological processes controlled by endogenous circadian clocks, potentially resulting in adverse health outcomes. Many of the studies evaluating adverse health effects have been conducted among night- and rotating-shift workers, because this scenario gives rise to significant exposure to LAN...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724229/microbial-association-with-the-dynamics-of-particulate-organic-carbon-in-response-to-the-amendment-of-elevated-co2-derived-wheat-residue-into-a-mollisol
#2
Yanhong Wang, Zhenhua Yu, Yansheng Li, Guanghua Wang, Junjie Liu, Judong Liu, Xiaobing Liu, Jian Jin
As the chemical quality of crop residue is likely to be affected by elevated CO2 (eCO2), residue amendments may influence soil organic carbon (SOC) sequestration. However, in Mollisols, the dynamics of the SOC fractions in response to amendment with wheat residue produced under eCO2 and the corresponding microbial community composition remain unknown. Such investigation is essential to residue management, which affects the soil quality and productivity of future farming systems. To narrow this knowledge gap, (13)C-labeled shoot and root residue derived from ambient CO2 (aCO2) or eCO2 were amended into Mollisols and incubated for 200days...
July 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724089/grower-analysis-of-organic-matter-amendments-in-california-orchards
#3
Sat Darshan S Khalsa, Patrick H Brown
Organic matter amendments supply crop nutrients and enhance soil health, yet information specific to orchards is lacking. A survey was conducted to analyze use of these materials by California almond [ (Mill.) D.A. Webb] growers. Significant differences were observed for benefits, concerns, and accessibility to manure and green waste sources and between users and nonusers. Use patterns were significantly influenced by heavy and light users, farm size, and geographic region. Enhanced soil biology was the main benefit attributed to organic matter amendments by both users and nonusers...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28724017/food-risk-regulation-the-tensions-of-the-brazilian-health-surveillance-system
#4
Ana Virgínia Almeida Figueiredo, Elisabetta Recine, Renata Monteiro
This article addresses the dynamics of Brazilian food control practices, highlighting their special risk-related features and the types of intervention, as well as the recently adopted instruments to control risks related to the nutritional composition of food and their institutional repercussions. Food regulation in Brazil dates back to the First Republic. The practice has been remodeled over the years, due to both the increasing complexity of the risks and the introduction of new institutional operational mechanisms...
July 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28723997/access-to-health-care-as-a-human-right-in-international-policy-critical-reflections-and-contemporary-challenges
#5
Camilo Hernán Manchola Castillo, Volnei Garrafa, Thiago Cunha, Fernando Hellmann
Using the United Nations (UN) and its subordinate body, the World Health Organization (WHO), as a frame of reference, this article explores access to healthcare as a human right in international intergovernmental policies. First, we look at how the theme of health is treated within the UN, focusing on the concept of global health. We then discuss the concept of global health from a human rights perspective and go on to outline the debate surrounding universal coverage versus universal access as a human right, addressing some important ethical questions...
July 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28723956/psychosis-risk-research-versus-daily-prognosis-uncertainties-a-qualitative-study-of-french-youth-psychiatrists-attitudes-toward-predictive-practices
#6
Laelia Benoit, Marie Rose Moro, Bruno Falissard, Nicolas Henckes
BACKGROUND: Over the last twenty years, predicting psychosis has become a priority of both research and policies. Those approaches include the use of the At Risk Mental State category (ARMS) and of standardized predictive tools. In comparison to most developed countries, early interventions programs are only little developed in France. However, cases of young patients presenting unclear symptoms that might be a beginning psychosis or might as well reflect some adolescent unease are commonplace in psychiatry...
2017: PloS One
https://www.readbyqxmd.com/read/28723951/cd8-t-cells-provide-immune-protection-against-murine-disseminated-endotheliotropic-orientia-tsutsugamushi-infection
#7
Guang Xu, Nicole L Mendell, Yuejin Liang, Thomas R Shelite, Yenny Goez-Rivillas, Lynn Soong, Donald H Bouyer, David H Walker
Scrub typhus, caused by a Gram-negative obligately intracellular coccobacillus, Orientia tsutsugamushi, is a long neglected but important tropical disease. Orientia tsutsugamushi causes illness in one million people each year, and 1 billion people are at risk. Without appropriate diagnosis and treatment, the disease can cause severe multiorgan failure with a case fatality rate of 7-15%. The current gaps in knowledge of immunity include the unknown mechanisms of host immunity to O. tsutsugamushi. Using an intravenous (i...
July 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28723613/mixture-model-based-association-analysis-with-case-control-data-in-genome-wide-association-studies
#8
Fadhaa Ali, Jian Zhang
Multilocus haplotype analysis of candidate variants with genome wide association studies (GWAS) data may provide evidence of association with disease, even when the individual loci themselves do not. Unfortunately, when a large number of candidate variants are investigated, identifying risk haplotypes can be very difficult. To meet the challenge, a number of approaches have been put forward in recent years. However, most of them are not directly linked to the disease-penetrances of haplotypes and thus may not be efficient...
July 19, 2017: Statistical Applications in Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28723610/pediatric-reference-intervals-for-29-ortho-vitros-5600-immunoassays-using-the-caliper-cohort-of-healthy-children-and-adolescents
#9
Victoria Higgins, Angela W S Fung, Man Khun Chan, Joseph Macri, Khosrow Adeli
BACKGROUND: Accurate reference intervals (RIs) based on a healthy pediatric population are essential for pediatric test result interpretation. The CALIPER project has recruited a large healthy cohort and completed a series of a priori studies to address gaps in pediatric RIs. As immunoassays from different manufacturers for endocrine and special chemistry markers are not standardized and show marked intermethod differences, direct RI studies are needed for each major analytical platform...
July 19, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28723480/grey-zones-in-the-field-of-urinary-tract-infections
#10
T E Bjerklund Johansen, Gernot Bonkat, Tommaso Cai, Zafer Tandogdu, Florian Wagenlehner, Magnus Grabe
Urinary tract infections are a very common clinical problem with various knowledge gaps requiring urgent attention in areas including pathophysiology, diagnosis, antibiotic resistance, and prophylaxis. These grey zones preclude optimal management of urologic patients.
October 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723415/pharmacology-of-human-trace-amine-associated-receptors-therapeutic-opportunities-and-challenges
#11
REVIEW
Mark D Berry, Raul R Gainetdinov, Marius C Hoener, Mohammed Shahid
The discovery in 2001 of a G protein-coupled receptor family, subsequently termed trace amine-associated receptors (TAAR), triggered a resurgence of interest in so-called trace amines. Initial optimism quickly faded, however, as the TAAR family presented a series of challenges preventing the use of standard medicinal chemistry and pharmacology technologies. Consequently the development of basic tools for probing TAAR and translating findings from model systems to humans has been problematic. Despite these challenges the last 5 years have seen considerable advances, in particular with respect to TAAR1, which appears to function as an endogenous rheostat, maintaining central neurotransmission within defined physiological limits, in part through receptor heterodimerization yielding biased signaling outputs...
July 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28723304/the-quest-for-durable-lesions-in-catheter-ablation-of-atrial-fibrillation-technological-advances-in-radiofrequency-catheters-and-balloon-devices
#12
Tilman Maurer, Karl-Heinz Kuck
Atrial fibrillation is the most common cardiac arrhythmia and represents a growing clinical, social and economic challenge. Catheter ablation for symptomatic atrial fibrillation has evolved from an experimental procedure into a widespread therapy and offers a safe and effective treatment option. A prerequisite for durable PVI are transmural and contiguous circumferential lesions around the pulmonary veins. However, electrical reconnection of initially isolated pulmonary veins remains a primary concern and is a dominant factor for arrhythmia recurrence during long-term follow up...
July 19, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28723249/experiences-of-individuals-with-visual-impairments-in-integrated-physical-education-a-retrospective-study
#13
Justin A Haegele, Xihe Zhu
PURPOSE: The purpose of this retrospective study was to examine the experiences of adults with visual impairments during school-based integrated physical education (PE). METHOD: An interpretative phenomenological analysis (IPA) research approach was used and 16 adults (ages 21-48 years; 10 women, 6 men) with visual impairments acted as participants for this study. The primary sources of data were semistructured audiotaped telephone interviews and reflective field notes, which were recorded during and immediately following each interview...
July 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28723222/extraction-of-2-phenylethanol-pea-from-aqueous-solution-using-ionic-liquids-synthesis-phase-equilibrium-investigation-selectivity-in-separation-and-thermodynamic-models
#14
Urszula Maria Domanska, Patrycja Okuniewska, Kamil Paduszyński, Marta Królikowska, Maciej Zawadzki, Mikolaj Wieckowski
This work presents some important issues and topics related to possible extraction of 2-phenylethanol (PEA) from aqueous phase "in situ" during the biosynthesis. It consist of a series of experimental phase equilibrium measurements in binary and ternary systems. Ionic liquids (ILs) are an important new media for imaging and sensing applications because of their solvation property, thermal stability and negligible vapor pressure. However, complex procedures and non-miscibility with water are often required in PEA extraction...
July 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28723150/double-imaging-photoelectron-photoion-coincidence-sheds-new-light-on-the-dissociation-of-state-selected-ch3f-ions
#15
Xiaofeng Tang, Gustavo A Garcia, Laurent Nahon
The vacuum ultraviolet (VUV) photoionization and dissociative photoionization of methyl fluoride (CH3F) in the 12.2-19.8 eV energy range were investigated by using synchrotron radiation coupled to a double imaging photoelectron photoion coincidence (i(2)PEPICO) spectrometer. The production of several fragment ions including CH2F(+), CHF(+), CH3(+) and CH2(+) as a function of state and internal energy of CH3F(+) ions was identified and analyzed, with their individual appearance energies measured through threshold photoelectron spectroscopy...
July 19, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28723097/decorating-of-ag-and-cuo-on-cu-nanoparticles-for-the-enhanced-high-catalytic-activity-to-the-degradation-of-organic-pollutants
#16
Yu Liang, Zhe Chen, Wen Yao, Pengyi Wang, Shujun Yu, Xiangke Wang
The metal/semiconductor composites are promising catalysts with superior catalytic activity. In this work, a Cu/CuO-Ag composite with structure that Ag and CuO nanoparticles (NPs) decorated on the surface of Cu were fabricated via a facile in-situ method. With the characterization by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDX) and inductively coupled plasma atomic emission spectrometry (ICP-AES), the structure and structure and component of Cu/CuO-Ag composite were well-defined...
July 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28723069/surface-localized-sealing-of-porous-ultralow-k-dielectric-films-with-ultrathin-2-nanometer-polymer-coating
#17
Seong Jun Yoon, Kwanyong Pak, Taewook Nam, Alexander Yoon, Hyungjun Kim, Sung Gap Im, Byung Jin Cho
Semiconductor integrated circuit chip industries have been striving to introduce porous ultralow-k (ULK) dielectrics into the multilevel interconnection process in order to improve their chip operation speed by reducing capacitance along the signal path. To date, however, highly porous ULK dielectrics (porosity > 40%, dielectric constant (k) < 2.4) have not been successfully adopted in real devices because the porous nature causes many serious problems including non-continuous barrier deposition, penetration of the barrier metal, and reliability issues...
July 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28722814/health-promoting-conversations-a-novel-approach-to-families-experiencing-critical-illness-in-the-icu-environment
#18
Gunilla Hollman Frisman, Ingrid Wåhlin, Lotti Orwelius, Susanna Ågren
AIMS AND OBJECTIVES: The aim of this study was to identify and describe the outcomes of a nurse-led intervention, "Health-promoting conversations with families," regarding family functioning and well-being in families with a member who was critically ill. BACKGROUND: Families who have a critically ill family member in an intensive care unit face a demanding situation, threatening the normal functioning of the family. Yet, there is a knowledge gap regarding family members' well-being during and after critical illness...
July 19, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28722799/county-level-variation-in-infant-mortality-reporting-at-early-previable-gestational-ages
#19
Neera K Goyal, Emily DeFranco, Beena D Kamath-Rayne, Andrew F Beck, Eric S Hall
BACKGROUND: Infant mortality rate (IMR), or number of infant deaths per 1000 livebirths, varies widely across the US While fetal deaths are not included in this measure, reported infant deaths do include those delivered at previable gestations, or ≤20 weeks gestation. Variation in reporting of these events may have a significant impact on IMR estimates. METHODS: This retrospective analysis used US National Center for Health Statistics 2007-2013 data from 2391 US counties...
July 19, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28722768/international-summit-on-the-nutrition-of-adolescent-girls-and-young-women-consensus-statement
#20
Nancy Krebs, Susan Bagby, Zulfiqar A Bhutta, Kathryn Dewey, Caroline Fall, Fred Gregory, William Hay, Lisa Rhuman, Christine Wallace Caldwell, Kent L Thornburg
An international summit focusing on the difficult challenge of providing adequate nutrition for adolescent girls and young women in low- and middle-income countries was held in Portland, Oregon in 2015. Sixty-seven delegates from 17 countries agreed on a series of recommendations that would make progress toward improving the nutritional status of girls and young women in countries where their access to nutrition is compromised. Delegate recommendations include: (1) elevate the urgency of nutrition for girls and young women to a high international priority, (2) raise the social status of girls and young women in all regions of the world, (3) identify major knowledge gaps in the biology of adolescence that could be filled by robust research efforts, (4) and improve access to nutrient-rich foods for girls and young women...
July 19, 2017: Annals of the New York Academy of Sciences
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