338,385 results match your criteria Air Quality Atmosphere And Health[Journal]


Laparoscopic jejunal resection for perforation of solitary jejunal diverticulum: a video vignette.

Colorectal Dis 2020 Jul 6. Epub 2020 Jul 6.

General Surgery Unit, Ospedale "C. e G. Mazzoni", Ascoli Piceno, Italy.

An 80 years old man was admitted with an acute abdomen after 6 months of NSAIDs use. Abdominal CT scan showed air bubbles next to a jejunal tract. Laparoscopic exploration of the abdomen confirmed the presence of acute peritonitis due to a partially-covered perforation of a proximal jejunal diverticulum. Read More

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http://dx.doi.org/10.1111/codi.15240DOI Listing

Ferromagnetic metal conversion directly from two-dimensional nickel hydroxide.

Nanotechnology 2020 Jul 6. Epub 2020 Jul 6.

Kumamoto University, Kumamoto, 860-8555, JAPAN.

We have demonstrated a direct metallic conversion from nickel hydroxide nanosheets to nickel metal nanostructures by thermal annealing in vacuum. The metal transition of the single-layer nanosheets deposited on a Si substrate was revealed by X-ray absorption near edge structure (XANES) measurements. The XANES signal significantly changed at annealing temperatures above 250 °C. Read More

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http://dx.doi.org/10.1088/1361-6528/aba304DOI Listing

Drosophila PTPMT1 Has a Function in Tracheal Air Filling.

iScience 2020 Jun 20;23(7):101285. Epub 2020 Jun 20.

Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, USA. Electronic address:

The fly trachea is the equivalent of the mammalian lung and is a useful model for human respiratory diseases. However, little is known about the molecular mechanisms underlying tracheal air filling during larval development. In this study, we discover that PTPMT1 has a function in tracheal air filling. Read More

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http://dx.doi.org/10.1016/j.isci.2020.101285DOI Listing

Presence of Mycobacterium bovis in slaughterhouses and risks for workers.

Prev Vet Med 2020 Jun 20;181:105072. Epub 2020 Jun 20.

Istituto Zooprofilattico Sperimentale del Mezzogiorno, Sezione di Catanzaro, Viale Crotone, 88100, Catanzaro, Italy. Electronic address:

An investigation was carried out to detect the presence of Mycobacterium bovis in slaughterhouses where intradermal tuberculin test positive cattle were slaughtered, and to evaluate the risk of contamination by M. bovis among exposed slaughterhouse workers. Swabs were taken from the carcasses of slaughtered animals showing autoptic signs of non-generalized forms of tuberculosis, thus authorized for free consumption. Read More

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http://dx.doi.org/10.1016/j.prevetmed.2020.105072DOI Listing

Application of zero valent iron (ZVI) immobilized in Ca-Alginate beads for C.I. Reactive Red 195 catalytic degradation in an air lift reactor operated with ozone.

J Hazard Mater 2020 Jun 22;401:123275. Epub 2020 Jun 22.

Universidade Tecnológica Federal do Paraná (UTFPR), Câmpus Pato Branco, Programa de Pós-graduação em Tecnologia de Processos Químicos e Bioquímicos, Departamento Acadêmico de Química, Via do Conhecimento Km 01, CEP 85503-390, Pato Branco, Paraná, Brazil. Electronic address:

The efficiency of nanoscale zero-valent iron (nZVI) for the recalcitrant organic pollutants degradation has been frequently reported. However, some disadvantages such as low hydraulic conductivity, rapid passivation and consequent loss of reactivity have motivated researchers to study immobilized forms. In this work, calcium alginate beads incorporated with nZVI were prepared, characterized and applied in a catalytic ozonation system of Reactive Red 195 dye (RR195). Read More

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http://dx.doi.org/10.1016/j.jhazmat.2020.123275DOI Listing

Role of MnO in controlling iron and arsenic mobilization from illuminated flooded arsenic-enriched soils.

J Hazard Mater 2020 Jul 1;401:123362. Epub 2020 Jul 1.

Zhejiang Provincial Key Laboratory of Watershed Science & Health, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325035, People's Republic of China; Department of Land, Air and Water Resources, University of California, Davis, Davis, CA, 95616, United States.

This study examined the role of intermittent illumination/dark conditions coupled with MnO-ammendments to regulate the mobility of As and Fe in flooded arsenic-enriched soils. Addition of MnO particles with intermittent illumination led to a pronounced increase in the reductive-dissolution of Fe(III) and As(V) from flooded soils compared to a corresponding dark treatments. A higher MnO dosage (0. Read More

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http://dx.doi.org/10.1016/j.jhazmat.2020.123362DOI Listing

High spatial resolution analysis of polybrominated diphenyl ethers (PBDEs) using transplanted lichen Evernia prunastri: A case study in central Italy.

Sci Total Environ 2020 Jun 29;742:140590. Epub 2020 Jun 29.

Department of Public Health and Infectious Diseases, University of Rome La Sapienza, P.le Aldo Moro, 5, 00185 Rome, Italy. Electronic address:

The ability of transplanted lichen Evernia (E.) prunastri (L.) to act as a high spatial biomonitoring tool for 14 polybrominated diphenyl ethers (PBDEs) was evaluated at 23 monitoring sites in a very polluted area in central Italy. Read More

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http://dx.doi.org/10.1016/j.scitotenv.2020.140590DOI Listing

Air pollution in Ontario, Canada during the COVID-19 State of Emergency.

Authors:
Matthew D Adams

Sci Total Environ 2020 Jun 28;742:140516. Epub 2020 Jun 28.

Department of Geography & Programs in Environment, University of Toronto Mississauga, Mississauga, Canada. Electronic address:

In March of 2020, the province of Ontario declared a State of Emergency (SOE) to reduce the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes the coronavirus disease (COVID-19). This disruption to the economy provided an opportunity to measure change in air pollution when the population spends more time at home with fewer trips. Hourly air pollution observations were obtained for fine particulate matter, nitrogen dioxide, nitrogen oxides and ozone from the Ontario air monitoring network for 2020 and the previous five years. Read More

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http://dx.doi.org/10.1016/j.scitotenv.2020.140516DOI Listing

Exposure to indoor air pollution across socio-economic groups in high-income countries: A scoping review of the literature and a modelling methodology.

Environ Int 2020 Jul 3;143:105748. Epub 2020 Jul 3.

Air Quality & Public Health Group, Environmental Hazards and Emergencies Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Harwell Science and Innovation Campus, Chilton, UK.

Disparities in outdoor air pollution exposure between individuals of differing socio-economic status is a growing area of research, widely explored in the environmental health literature. However, in developed countries, around 80% of time is spent indoors, meaning indoor air pollution may be a better proxy for personal exposure. Building characteristics - such as build quality, volume and ventilation - and occupant behaviour, mean indoor air pollution may also vary across socio-economic groups, leading to health inequalities. Read More

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http://dx.doi.org/10.1016/j.envint.2020.105748DOI Listing

Life-Cycle Greenhouse Gas Emissions and Human Health Tradeoffs of Organic Waste Management Strategies.

Environ Sci Technol 2020 Jul 6. Epub 2020 Jul 6.

Waste-to-energy systems can play an important role in diverting organic waste from landfills. However, real-world waste management can differ from idealized practices, and emissions driven by microbial communities and complex chemical processes are poorly understood. This study presents a comprehensive life-cycle assessment, using reported and measured data, of competing management alternatives for organic municipal solid waste including landfilling, composting, dry anaerobic digestion (AD) for the production of renewable natural gas (RNG), and dry AD with electricity generation. Read More

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http://dx.doi.org/10.1021/acs.est.0c00364DOI Listing

Identifying and Quantifying Cannabinoids in Biological Matrices in the Medical and Legal Cannabis Era.

Clin Chem 2020 Jul;66(7):888-914

Institute of Emerging Health Professions, Thomas Jefferson University, Philadelphia, PA.

Background: Cannabinoid analyses generally included, until recently, the primary psychoactive cannabis compound, Δ9-tetrahydrocannabinol (THC), and/or its inactive metabolite, 11-nor-9-carboxy-THC, in blood, plasma, and urine. Technological advances revolutionized the analyses of major and minor phytocannabinoids in diverse biological fluids and tissues. An extensive literature search was conducted in PubMed for articles on cannabinoid analyses from 2000 through 2019. Read More

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http://dx.doi.org/10.1093/clinchem/hvaa113DOI Listing

Behavioral responses of Diaphorina citri to host plant volatiles in multiple-choice olfactometers are affected in interpretable ways by effects of background colors and airflows.

PLoS One 2020 6;15(7):e0235630. Epub 2020 Jul 6.

Department of Research and Development, Fund for Citrus Protection (Fundecitrus), Araraquara, São Paulo, Brazil.

In several phytophagous hemipterans, behavior appears to be mediated by both visual and chemical cues. For the Asian citrus psyllid (ACP) Diaphorina citri (Hemiptera: Liviidae), olfactometric assays are generally difficult to interpret owing to the low proportion of individuals responding to odors (~30-40%), which compromises the efficiency and reliability of the results of behavioral tests. In the present study, the ACP behavioral response to emitted odors from sweet orange (Citrus sinensis L. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0235630PLOS

Brief Research Report: Prehospital Rapid Sequence Airway.

Prehosp Emerg Care 2020 Jul 6:1-9. Epub 2020 Jul 6.

Presbyterian Healthcare Services.

Rapid Sequence Airway (RSA) describes the administration of an induction agent and paralytic followed by the intended primary placement of an extraglottic airway device rather than an endotracheal tube. The purpose of this study was to determine the success rates for prehospital RSA. The secondary goal was to determine aspiration rates among patients managed with RSA. Read More

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http://dx.doi.org/10.1080/10903127.2020.1792015DOI Listing

The influence of size and abiotic factors on cutaneous water loss.

Adv Physiol Educ 2020 Sep;44(3):387-393

Department of Biological Sciences, Southern Illinois University Edwardsville, Edwardsville, Illinois.

The greatest physiological threat to terrestrial life is dehydration; however, examining the factors that influence water balance in a teaching setting can be problematic. The proposed exercise examines cutaneous water loss using gelatin frogs. The use of models provides a unique approach to learning about water loss without the need of Institutional Animal Care and Use Committee approval or specialized equipment to measure dehydration from relatively small invertebrates. Read More

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http://dx.doi.org/10.1152/advan.00152.2019DOI Listing
September 2020

A Polymer Featuring Thermally Activated Delayed Fluorescence as Emitter in Light-Emitting Electrochemical Cells.

J Phys Chem Lett 2020 Jul 6. Epub 2020 Jul 6.

Semiconducting polymers that feature thermally activated delayed fluorescence (TADF) can deliver a much-desired combination of high-efficiency and metal-free electroluminescence and cost-efficient solution-based fabrication. A TADF-polymer is thus a very good fit for the emitting compound in light-emitting electrochemical cells (LECs), since the commonly employed air-stabile and few-layer LEC architecture is well suited for such solution-based fabrication. Herein, we report on the first LEC device based on a TADF-polymer as the emitting species, which delivers a luminance of 96 cd m-2 at 4 V and a current efficacy of 1. Read More

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http://dx.doi.org/10.1021/acs.jpclett.0c01506DOI Listing

Garbage Burning in South Asia - How important is it to regional air quality?

Environ Sci Technol 2020 Jul 6. Epub 2020 Jul 6.

Increasing air pollution in South Asia has serious consequences for air quality and human/ecosystem health within the region. South Asia, including India and Nepal, suffers from severe air pollution, including high concentrations of aerosols, as well as gaseous pollutants. One of the often-neglected sources contributing to the regional air pollution is garbage burning. Read More

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http://dx.doi.org/10.1021/acs.est.0c02830DOI Listing

It is Time to Address Airborne Transmission of COVID-19.

Clin Infect Dis 2020 Jul 6. Epub 2020 Jul 6.

Institute for Applied Environmental Health, University of Maryland School of Public Health, Campus Dr, College Park, Maryland, USA.

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http://dx.doi.org/10.1093/cid/ciaa939DOI Listing

Autarkic desorption electrospray ionization source for on-site analysis of consumer goods.

Analyst 2020 Jul 6. Epub 2020 Jul 6.

Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, Germany.

A general-purpose desorption electrospray ionization (DESI) source is presented which is not bound to the laboratory site. It allows autarkic operation for a few hours and can be connected to different types of (autarkic or non-autarkic) mass spectrometers via an atmospheric-pressure interface. Technical characteristics are described as well as results from direct surface analysis of consumer goods such as plastics, fruit peels or pills, or from living objects such as human skin, demonstrating the detection of various target compounds such as plasticizers, pesticides, drugs or sun blockers. Read More

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http://dx.doi.org/10.1039/d0an00713gDOI Listing

Three-photon-excited laser-induced fluorescence detection of atomic hydrogen in flames.

Opt Lett 2019 Dec;44(24):5945-5948

In many recent studies, ultrashort femtosecond (fs) two-photon (2p) laser-induced fluorescence (LIF) of atomic hydrogen (H) has been demonstrated using a 205 nm excitation. However, 205-nm- deep ultraviolet (UV) pulses can be problematic in practical devices containing thick transmissive optics and can also be susceptible to photolytic production at high laser energies. In this Letter, we investigate the three-photon (3p) excitation scheme of H by using red-shifted 307. Read More

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http://dx.doi.org/10.1364/OL.44.005945DOI Listing
December 2019

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions.

J Vis Exp 2020 Jun 18(160). Epub 2020 Jun 18.

Hawai'i Institute of Geophysics and Planetology, University of Hawai'i at Mānoa;

The externally-heated diamond anvil cell (EHDAC) can be used to generate simultaneously high-pressure and high-temperature conditions found in Earth's and planetary interiors. Here we describe the design and fabrication of the EHDAC assemblies and accessories, including ring resistive heaters, thermal and electrical insulating layers, thermocouple placement, as well as the experimental protocol for preparing the EHDAC using these parts. The EHDAC can be routinely used to generate megabar pressures and up to 900 K temperatures in open air, and potentially higher temperatures up to ~1200 K with a protective atmosphere (i. Read More

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http://dx.doi.org/10.3791/61389DOI Listing

Impaired pulmonary gas exchange efficiency, but normal pulmonary artery pressure increases with hypoxia in men and women with a patent foramen ovale.

Exp Physiol 2020 Jul 6. Epub 2020 Jul 6.

University of Oregon, Department of Human Physiology, Eugene, OR, USA.

New Findings: What is the central question of this study? Whether or not individuals with a patent foramen ovale (PFO+) have a larger alveolar-to-arterial difference in PO (A-aDO ) than those without (PFO-) and/or an exaggerated increase in pulmonary artery systolic pressure (PASP) in response to hypoxia. What is the main finding and its importance? PFO+ had a greater A-aDO while breathing air, 16% and 14%, but not 12% or 10% O . PASP increased equally in hypoxia between PFO+ and PFO-. Read More

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http://dx.doi.org/10.1113/EP088750DOI Listing

A Fully Coupled Multiphase Model for Infrared-Convective Drying of Sweet Potato.

J Sci Food Agric 2020 Jul 6. Epub 2020 Jul 6.

Department of Mathematics and Statistics, Faculty of Science, University of Uyo, 52021, Uyo, Nigeria.

Background: Combined infrared and convective drying is a promising technology in dehydrating heat-sensitive foods, such as fruits and vegetables. This novel thermal drying method, which involves the application of infrared (IR) energy and hot air during a drying process, can drastically enhance energy efficiency and improve overall product quality at the end of the process. Understanding the dynamics of what goes on inside the product during drying is important for further development, optimization and upscaling of the drying method. Read More

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http://dx.doi.org/10.1002/jsfa.10649DOI Listing

Total Joint Arthroplasty Volume in the Military Health System.

Mil Med 2020 Jul 6. Epub 2020 Jul 6.

Walter Reed National Military Medical Center, Department of Surgery Division of Orthopaedics 8901 Rockville Pike, Bethesda, MD 20889, USA.

Introduction: The relationship between volume and outcome of total knee arthroplasties is a concern in both the civilian and military patient populations. We sought to compare surgeons and hospital procedure volumes performed on military service members and define factors leading to increased civilian referrals.

Materials And Methods: The Military Health System Data Repository (MDR) contains patient information on all healthcare beneficiary encounters, including care provided both in Military Health System (MHS) facilities and in civilian network facilities. Read More

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http://dx.doi.org/10.1093/milmed/usz401DOI Listing

Long-Term Outcomes of Thoracic Trauma in U.S. Service Members Involved in Combat Operations.

Mil Med 2020 Jul 6. Epub 2020 Jul 6.

Pulmonary/Critical Care Service, Brooke Army Medical Center, 3551 Roger Brooke Drive, JBSA-Sam Houston, San Antonio, TX 78234.

Introduction: Nearly 10% of all combat injuries during the most recent conflicts in Iraq and Afghanistan involve thoracic trauma. The long-term outcomes of these combat-related injuries with respect to lung function have not been fully evaluated. Limited research in civilian polytrauma patients have shown significant obstructive physiology in nearly half of their population without clear etiology. Read More

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http://dx.doi.org/10.1093/milmed/usaa165DOI Listing

Computed Tomography Image Analysis and Clinical Correlations of Retromaxillary Cells.

Ear Nose Throat J 2020 Jul 5:145561320936963. Epub 2020 Jul 5.

Department of Otolaryngology-Head and Neck Surgery, Wuhan University, Renmin Hospital, Wuhan, Hubei Province, People's Republic of China.

Objective: This study aimed to investigate and analyze the anatomic characteristics of the retromaxillary cell (RMC) by using computed tomography (CT) images of paranasal sinuses and to improve its identification with ethmomaxillary sinus (EMS).

Methods: The paranasal sinus CT scans of 441 outpatients or inpatients in our hospital from January 2018 to October 2018 were analyzed. The incidence of RMC, EMS, Haller cell, imaging anatomical characteristics, and morphological manifestations were observed via sinus CTs. Read More

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http://dx.doi.org/10.1177/0145561320936963DOI Listing

High stability of Rh oxide-based thermoresistive catalytic combustion sensors proven by operando XAS and XRD.

ACS Sens 2020 Jul 6. Epub 2020 Jul 6.

Thermoresistive catalytic combustion sensors based on noble metals are very stable and highly sensitive devices to monitor potentially explosive atmospheres. We studied and proved the high stability of rhodium oxide-based sensors under working conditions in different CH/air mixtures (up to 3.5 vol. Read More

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http://dx.doi.org/10.1021/acssensors.0c00712DOI Listing

Comparison of the HRV of Emergency Physicians in the HEMS During Helicopter Operations: Analysis of Differences as a Function of Number of Operations and Workload.

Appl Psychophysiol Biofeedback 2020 Jul 5. Epub 2020 Jul 5.

Medical Psychology & Medical Sociology, University Medical Center of the Johannes Gutenberg - University Mainz, Duesbergweg 6, 55128, Mainz, Germany.

Chronic stress can lead to physiological illness. Emergency physicians in danger of developing such illnesses due to their demanding working environment. The aim of this study was to investigate the physiological stress level of emergency physicians (EPs) of the Helicopter Emergency Medical Service (HEMS) between emergency operations in one shift. Read More

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http://dx.doi.org/10.1007/s10484-020-09480-1DOI Listing

Effect of Buildup Factors on Indoor Gamma Dose Rate.

Radiat Prot Dosimetry 2020 Jul 6. Epub 2020 Jul 6.

Faculty of Science, Department of Physics, University of Kragujevac, 12 R. Domanovića Str., 34000 Kragujevac, Serbia.

The effect of buildup factors on absorbed dose rate in air and the effective dose from gamma rays of primordial radionuclides in building materials, was investigated in the article. Specific absorbed dose rates were calculated for the standard concrete room, as well as, for rooms where brick and covering building materials were used. For all room models the Harima (G-P) buildup factors were applied, while for the standard room the Berger's and Taylor's buildup factors were used, too. Read More

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http://dx.doi.org/10.1093/rpd/ncaa089DOI Listing

Age-Period-Cohort Analysis of Type 2 Diabetes Mortality Attributable to Particulate Matter Pollution in China and the U.S.

J Diabetes Res 2020 11;2020:1243947. Epub 2020 Jun 11.

Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, China.

Aim: We aimed to assess and compare secular trends in type 2 diabetes mortality attributable to particulate matter pollution in China and U.S.

Methods: We performed an age-period-cohort (APC) analysis to estimate the independent effects of age, period, and cohort on mortality of type 2 diabetes attributable to particulate matter pollution. Read More

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http://dx.doi.org/10.1155/2020/1243947DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7306083PMC

Complex Visceral Coupling During Central Sleep Apnea in Cats.

Front Neurosci 2020 17;14:568. Epub 2020 Jun 17.

Institute for Information Transmission Problems (Kharkevich Institute), Russian Academy of Sciences, Moscow, Russia.

Central sleep apnea is a sudden arrest of breathing during sleep caused by the central commands to the thoracoabdominal muscles. It is a widespread phenomenon in both healthy and diseased people, as well as in some animals. However, there is an ongoing debate whether it can be considered as a pathological deviation of the respiratory function or an adaptive mechanism of an unclear function. Read More

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http://dx.doi.org/10.3389/fnins.2020.00568DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7311805PMC

Use of bioreactor systems in the propagation of forest trees.

Eng Life Sci 2019 Dec 30;19(12):896-915. Epub 2019 Sep 30.

Instituto de Investigaciones Agrobiológicas de Galicia CSIC Santiago de Compostela Spain.

Plant biotechnology can be used to conserve the germplasm of natural forests, and to increase the productivity and sustainability of plantations. Both goals imply working with mature trees, which are often recalcitrant to micropropagation. Conventional in vitro culture uses closed containers and gelled medium with sugar supplementation. Read More

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http://dx.doi.org/10.1002/elsc.201900041DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6999064PMC
December 2019

Reducing atmosphere packaging as a novel alternative technique for extending shelf life of fresh cheese.

J Food Sci Technol 2020 Aug 11;57(8):3013-3023. Epub 2020 Mar 11.

Research Center for Redox Applications in Foods (RCRAF), Department of Food Engineering, Faculty of Engineering, Iğdır University, 76000 Iğdır, Turkey.

An atmosphere composed of hydrogen gas-included gaseous mixture was tested for packaging fresh cheese samples. The cheese samples were packaged in reducing atmosphere packaging (RAP) [RAP 1 (90% CO/6% N/4% H), RAP 2 (50% CO/46% N/4% H)], modified atmosphere packaging (MAP) [MAP 1 (90% CO/10% N), MAP 2 (50% CO/50% N) and MAP 3 (Air)], and unpackaged (control) conditions without using any preservatives, then stored at + 4 °C for 7 weeks. The closest values of color and titratable acidity to the fresh sample were observed for RAP 1. Read More

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http://dx.doi.org/10.1007/s13197-020-04334-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316949PMC

Just the Facts: Diagnosis and management of small bowel obstruction.

CJEM 2020 Jun 22:1-4. Epub 2020 Jun 22.

The University of Texas Southwestern Medical Center, Department of Emergency Medicine, Dallas, Texas.

A 63-year-old female patient presents with abdominal pain, vomiting, and abdominal distention. She has previously had a cholecystectomy and hysterectomy. She has had no prior similar episodes, and denies fever, hematemesis, or diarrhea. Read More

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http://dx.doi.org/10.1017/cem.2020.393DOI Listing

Methanol photo-reforming with water on pure titania for hydrogen production.

Authors:
M Bowker W Jones

Philos Trans A Math Phys Eng Sci 2020 Jul 6;378(2176):20200058. Epub 2020 Jul 6.

Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK.

The behaviour of titania for the photo-reforming of methanol with water at ambient temperature has been examined. It is shown that the reactivity is very poor, compared with metal-loaded catalysts at low methanol levels in solution, but the rate becomes much higher at high methanol levels, such that the difference from metal-loaded samples is much less. The optimum yield is with approximately a 1 : 1 methanol/water solution. Read More

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http://dx.doi.org/10.1098/rsta.2020.0058DOI Listing

Indoor carbon dioxide concentrations in Croatian elementary school classrooms during the heating season.

Arh Hig Rada Toksikol 2019 Dec;70(4):296-302

Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia.

Aware that exposure to stuffy indoor air with high levels of carbon dioxide (CO2) is associated with higher absenteeism and reduced academic performance in school pupils, the World Health Organization (WHO) Regional Office for Europe initiated indoor air quality surveys in schools, including CO2 monitoring, to assess ventilation and exposure to stuffy air. Here we report the findings of the first such survey in Croatia. It was conducted in 60 classrooms of 20 urban and rural elementary schools throughout the country during the heating season. Read More

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http://dx.doi.org/10.2478/aiht-2019-70-3343DOI Listing
December 2019

Negative correlation between the number of sunspots and the occurrence of 7Be and 22Na in the surface air and their contribution to radiation doses.

Arh Hig Rada Toksikol 2019 Dec;70(4):290-295

Jožef Stefan Institute, Ljubljana, Slovenia.

This article presents yearly mean concentrations of cosmogenic radionuclides 7Be and 22Na occurring in dry and wet depositions (fallout) and aerosols. Time dependencies negatively correlated with the yearly mean number of sunspots. Activity concentrations of 7Be and 22Na in aerosols in the surface air had a correlation of near-unity. Read More

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http://dx.doi.org/10.2478/aiht-2019-70-3336DOI Listing
December 2019

Gestational bisphenol A exposure induces fatty liver development in male offspring mice through the inhibition of HNF1b and upregulation of PPARγ.

Cell Biol Toxicol 2020 Jul 4. Epub 2020 Jul 4.

Department of Toxicology, Shaanxi Key Lab of Free Radical Biology and Medicine, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University (Fourth Military Medical University), Changle West Road 169, Xi'an, 710032, Shaanxi Province, China.

Bisphenol A (BPA) is an endocrine-disrupting chemical (EDC) associated with non-alcoholic fatty liver disease (NAFLD). The effects of gestational BPA exposure on hepatic lipid accumulation in offspring are not fully understood. Here, we investigate the sex-dependent effects of gestational BPA exposure on hepatic lipid and glucose metabolism in the offspring of mice to reveal the mechanisms underlying gestational BPA exposure-associated NAFLD. Read More

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http://dx.doi.org/10.1007/s10565-020-09535-3DOI Listing

Spatial-temporal variability of aerosol sources based on chemical composition and particle number size distributions in an urban settlement influenced by metallurgical industry.

Environ Sci Pollut Res Int 2020 Jul 5. Epub 2020 Jul 5.

Department of Public Health Sciences, University of Rochester Medical Center, 265 Crittenden Boulevard, Rochester, NY, 14642-0708, USA.

The Moravian-Silesian region of the Czech Republic with its capital city Ostrava is a European air pollution hot spot for airborne particulate matter (PM). Therefore, the spatiotemporal variability assessment of source contributions to aerosol particles is essential for the successful abatement strategies implementation. Positive Matrix Factorization (PMF) was applied to highly-time resolved PM chemical composition (1 h resolution) and particle number size distribution (PNSD, 14 nm - 10 μm) data measured at the suburban (Ostrava-Plesná) and urban (Ostrava-Radvanice) residential receptor sites in parallel during an intensive winter campaign. Read More

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http://dx.doi.org/10.1007/s11356-020-09694-0DOI Listing

Scientometric analysis: identification of research trends for ozone as an air pollutant for 2011-2019.

Environ Sci Pollut Res Int 2020 Jul 4. Epub 2020 Jul 4.

School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India.

Ground level ozone is a major air pollutant with known toxic effects on humans. The research field is well established with many scientists from developed and developing countries contributing original research articles. Strict regulations for ozone air pollution are being implemented worldwide based on supporting scientific literature. Read More

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http://dx.doi.org/10.1007/s11356-020-09941-4DOI Listing

Effects of viewing distance on ocular vestibular evoked myogenic potentials (oVEMPs) for air- and bone-conducted stimuli at multiple sites.

J Vestib Res 2020 Jun 27. Epub 2020 Jun 27.

Department of Neurology, Prince of Wales Hospital, Randwick, Sydney, NSW, Australia.

Background: The ocular vestibular evoked myogenic potential is otolith-dependent and has been suggested to be a manifestation of the linear vestibulo-ocular reflex (L-VOR). A characteristic feature of the translational LVOR (t-LVOR) is its dependence on the distance of a target.

Objective: To assess if viewing distance affects amplitude and latency properties of the ocular vestibular evoked myogenic potential (oVEMPs). Read More

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http://dx.doi.org/10.3233/VES-200705DOI Listing

Health and economic impacts of air pollution induced by weather extremes over the continental U.S.

Environ Int 2020 Jul 2;143:105921. Epub 2020 Jul 2.

School of Forestry & Environmental Studies, Yale University, New Haven, CT 06511, USA.

Extreme weather events may enhance ozone (O) and fine particulate matter (PM) pollution, causing additional adverse health effects. This work aims to evaluate the health and associated economic impacts of changes in air quality induced by heat wave, stagnation, and compound extremes under the Representative Concentration Pathways (RCP) 4.5 and 8. Read More

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http://dx.doi.org/10.1016/j.envint.2020.105921DOI Listing

Human exposure to particles at the air-water interface: Influence of water quality on indoor air quality from use of ultrasonic humidifiers.

Environ Int 2020 Jul 2;143:105902. Epub 2020 Jul 2.

Department of Civil & Environmental Engineering, Virginia Tech, Blacksburg, VA, USA. Electronic address:

Ultrasonic humidifiers provide indoor relief to symptoms caused by dry air and produce aerosols containing both water and minerals that are present in the water that fills the humidifier. This study investigated the spatial distributions, concentrations, and metal and mineral composition of aerosols emitted when an ultrasonic humidifier was filled with deionized water (DI), low mineral tap water (LL), high total dissolved solids (TDS)/high hardness water (HH), and high TDS/low hardness water (HL). Aerosol/particle sizes and counts were obtained at six horizontal distances in both the plume and near floor for each water quality. Read More

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http://dx.doi.org/10.1016/j.envint.2020.105902DOI Listing

The inflammatory injury of heart caused by ammonia is realized by oxidative stress and abnormal energy metabolism activating inflammatory pathway.

Sci Total Environ 2020 Jun 25;742:140532. Epub 2020 Jun 25.

College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China. Electronic address:

Inflammation is an essential biological process for maintaining homeostasis in the body. However, excessive inflammatory response is closely related to many chronic diseases. Ammonia is a known environmental pollutant and a main harmful gas in the environment of livestock house. Read More

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http://dx.doi.org/10.1016/j.scitotenv.2020.140532DOI Listing

Preparation of low-load Au-Pd alloy decorated carbon fibers binder-free cathode for Li-O battery.

J Colloid Interface Sci 2020 Jun 27;579:448-454. Epub 2020 Jun 27.

School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang City, Henan Province 453007, PR China; National & Local Engineering Laboratory for Motive Power and Key Materials, Xinxiang 453000, PR China. Electronic address:

Developing high-performance cathode is critical to facilitating the development of lithium-oxygen (Li-O) batteries. In this work, a low-load (1.32%) Au-Pd alloy decorated carbon fibers binder-free cathode is prepared by facile magnetron sputtering (MS). Read More

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http://dx.doi.org/10.1016/j.jcis.2020.06.084DOI Listing

Radiomics nomograms of tumors and peritumoral regions for the preoperative prediction of spread through air spaces in lung adenocarcinoma.

Transl Oncol 2020 Jul 1;13(10):100820. Epub 2020 Jul 1.

Department of Radiology, Shanghai Public Health Clinical Center, Fudan University, No. 2901 Caolang Road, Jinshan, Shanghai 201508, China; Research Institude of Big Data, Fudan University, Shanghai 200032, China; Headmaster's Office, Fudan University, Shanghai 200433, China; Department of Radiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China. Electronic address:

To evaluate the clinical features and radiomics nomograms of tumors and peritumoral regions for the preoperative prediction of the presence of spread through air spaces (STAS) in patients with lung adenocarcinoma. A total of 107 STAS-positive lung adenocarcinomas were selected and matched to 105 STAS-negative lung adenocarcinomas. Thin-slice CT imaging annotation and region of interest (ROI) segmentation were performed with semi-automatic in-house software. Read More

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http://dx.doi.org/10.1016/j.tranon.2020.100820DOI Listing

Preparation of visible light-responsive photocatalytic paper containing BiVO@diatomite/MCC/PVBCFs for degradation of organic pollutants.

Ecotoxicol Environ Saf 2020 Jul 1;202:110897. Epub 2020 Jul 1.

Material Science and Engineering College,Northeast Forestry University,Harbin,Heilongjiang, 150040,China; Jiangsu Key Laboratory for Biomass Energy and Material,Nanjing,Jiangsu, 210046,China. Electronic address:

Combining adsorption and photocatalysis is an effective strategy for degrading organic pollutants. Here, BiVO@diatomite composite photocatalyst (BiVO@diatomite CP) was prepared by hydrothermal synthesis from Bi(NO)·5HO glycerin solution, NHVO solution and diatomite. BiVO@diatomite/microcrystalline cellulose/PVB composite fibers (BiVO@diatomite/MCC/PVBCFs) were prepared from BiVO@diatomite CPs, microcrystalline cellulose (MCC) and PVB ethanol solution using the electrospinning method. Read More

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http://dx.doi.org/10.1016/j.ecoenv.2020.110897DOI Listing

Integrated metabolomics and lipidomics reveals high accumulation of polyunsaturated lysoglycerophospholipids in human lung fibroblasts exposed to fine particulate matter.

Ecotoxicol Environ Saf 2020 Jul 1;202:110896. Epub 2020 Jul 1.

Environmental Chemistry Research Group, Korea Institute of Toxicology, Jinju, 52834, Republic of Korea. Electronic address:

Exposure to fine particulate matter (PM) comprising toxic compounds arising from air pollution is a major human health concern. It is linked to increased mortality and incidence of various lung diseases. However, the mechanisms underlying the toxic effects of PM on lung fibroblasts have not been fully explored. Read More

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http://dx.doi.org/10.1016/j.ecoenv.2020.110896DOI Listing

Plasma gasification performances of various raw and torrefied biomass materials using different gasifying agents.

Bioresour Technol 2020 Jun 27;314:123740. Epub 2020 Jun 27.

Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan; Department of Chemical and Materials Engineering, Tunghai University, Taichung 407, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan.

Plasma gasification of raw and torrefied woody, non-woody, and algal biomass using three different gasifying agents (air, steam, and CO) is conducted through a thermodynamic analysis. The impacts of feedstock and reaction atmosphere on various performance indices such as syngas yield, pollutant emissions, plasma energy to syngas production ratio (PSR), and plasma gasification efficiency (PGE) are studied. Results show that CO plasma gasification gives the lowest PSR, thereby leading to the highest PGE among the three reaction atmospheres. Read More

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http://dx.doi.org/10.1016/j.biortech.2020.123740DOI Listing

Mainstream partial nitritation/anammox with integrated fixed-film activated sludge: Combined aeration and floc retention time control strategies limit nitrate production.

Bioresour Technol 2020 Jun 24;314:123711. Epub 2020 Jun 24.

Research Group of Sustainable Energy, Air and Water Technology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium. Electronic address:

Implementation of mainstream partial nitritation/anammox (PN/A) can lead to more sustainable and cost-effective sewage treatment. For mainstream PN/A reactor, an integrated fixed-film activated sludge (IFAS) was operated (26 °C). The effects of floccular aerobic sludge retention time (AerSRT), a novel aeration strategy, and N-loading rate were tested to optimize the operational strategy. Read More

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http://dx.doi.org/10.1016/j.biortech.2020.123711DOI Listing

Antimicrobial effect of thymol and carvacrol added to a vinegar-based marinade for controlling spoilage of marinated beef (Shawarma) stored in air or vacuum packaging.

Int J Food Microbiol 2020 Jun 23;332:108769. Epub 2020 Jun 23.

Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Riad El Solh, 1107-2020, P.O. Box 11-0236, Beirut, Lebanon; Laboratory of Food Chemistry and Food Microbiology, Department of Chemistry, University of Ioannina, GR-45110 Ioannina, Greece.

Controlling spoilage of the popular ethnic marinated beef "Shawarma" is crucial to achieve high quality, extend shelf-life, reduce food waste and meet the need of the globalized supply chain. Active essential oil (EO) components (thymol and carvacrol) were added at 0.4% and 0. Read More

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http://dx.doi.org/10.1016/j.ijfoodmicro.2020.108769DOI Listing