Results 21 to 30 of about 128,004 (334)

Pollution Distribution Characteristics and Ecological Risk Assessment of Heavy Metals and Polycyclic Aromatic Hydrocarbons in the River Sediments in Anning, Yunnan Province

open access: yesYankuang ceshi, 2021
BACKGROUND Anning is an important industrial and mining city in the upper reaches of the Yangtze River Economic Belt. It is a fulcrum for economic development and ecological civilization construction in the Central Yunnan New Area.
FAN Chen-zi   +6 more
doaj   +1 more source

Need of Improvement in Timing of Prophylactic Antibiotic in Elective Surgery

open access: yesAsian Journal of Medical Sciences, 2012
Objective: Infections in surgery are major concern of morbidity, mortality, and costs. Timely antibiotic prophylaxis (AP) before incision ensures optimum concentration of AP in blood and tissues to prevent surgical site infections (SSIs). However, proper
J N Shah
doaj   +1 more source

Seasonal and site-specific variation in vapour and aerosol phase PAHs over Flanders (Belgium) and their relation with anthropogenic activities [PDF]

open access: yes, 2005
Peer ...
Bencs, L.   +8 more
core   +1 more source

Role of Coping in Stress, Anxiety, Depression among Nursing Students of Purbanchal University in Kathmandu

open access: yesJournal of Nepal Health Research Council, 2019
Background: Unresolved stress among nursing students may occur due to the failure to use effective coping strategies, which may lead to problems such as anxiety and depression.The purpose of this study was to determine the prevalence of stress, anxiety ...
Priscilla Samson
doaj   +1 more source

Using deuterated PAH amendments to validate chemical extraction methods to predict PAH bioavailability in soils [PDF]

open access: yes, 2011
Validating chemical methods to predict bioavailable fractions of polycyclic aromatic hydrocarbons (PAHs) by comparison with accumulation bioassays is problematic.
Collins, Christopher David   +2 more
core   +1 more source

Identifying key risk factors of polycyclic aromatic hydrocarbons and benzene exposure in Korean adult males using machine learning approaches [PDF]

open access: yesJournal of Men's Health
Background: This study aims to explore the various risk factors associated with exposure to polycyclic aromatic hydrocarbons (PAHs) and benzene in Korean adult males (n = 2744), using data from the Korean National Environmental Health Survey (KoNEHS ...
Haewon Byeon
doaj   +1 more source

Evolution of PAHs in photodissociation regions: Hydrogenation and charge states

open access: yes, 2013
Various studies have emphasized variations of the charge state and composition of the interstellar polycyclic aromatic hydrocarbon (PAH) population in photodissociation regions (PDRs). We aim to model the spatial evolution of the charge and hydrogenation
Joblin, C., Montillaud, J., Toublanc, D.
core   +1 more source

Biotic and abiotic risks of soil biochar treatment for food safety and human health

open access: yesActa Universitatis Sapientiae: Alimentaria, 2020
Pyrolysis technology facilitates the heating of organic waste biomass in a very low oxygen environment to temperatures over 400 °C. The high carbon content and surface area of the char produced via slow pyrolysis makes it suitable for a range of purposes
Kocsis T.   +5 more
doaj   +1 more source

Evaluation of assays for screening polycyclic aromatic hydrocarbon-degrading potential of bacteria [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2020
Within a 30-day incubation laboratory study, the polycyclic aromatic hydrocarbon (PAH) degradation profile of two bacteria, Planomicrobium sp. RNP01 and Rhodococcus sp.
Lješević Marija   +6 more
doaj   +1 more source

Optimization of pressurized liquid extraction using a multivariate chemometric approach and comparison of solid phase extraction cleanup steps for the determination of polycyclic aromatic hydrocarbons in mosses [PDF]

open access: yes, 2012
A factorial design was used to optimize the extraction of polycyclic aromatic hydrocarbons (PAHs) from mosses, plants used as biomonitors of air pollution.
Foan, Louise, Simon, Valérie
core   +3 more sources

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