نتایج جستجو برای: air sample
تعداد نتایج: 606595 فیلتر نتایج به سال:
We propose a simple and low-cost process for the preparation of porous Ti foams through a sponge replication method using single-step air sintering at various temperatures. In this study, the apatite-forming ability of air-sintered Ti samples after 21 days of immersion in simulated body fluid (SBF) was investigated. The microstructures of the prepared Ca-P deposits were examined by X-ray diffra...
The aim of this study was to develop a novel evaluation method for air particles using surface plasmon resonance spectroscopy (SPR) analysis. An L1 sensor chip modified with immobilized liposome was used as a model of the membrane of epithelial cells in organs of respiration. A test suspension of dispersed air particles was flowed onto the sensor chip. The interaction between the surface of the...
BACKGROUND Biomonitoring of chemicals in the workplace provides an integrated characterization of exposure that accounts for uptake through multiple pathways and physiological parameters influencing the toxicokinetics. OBJECTIVES We used the case of styrene to (i) determine the best times to sample venous blood and end-exhaled air, (ii) characterize the inter-individual variability in biologi...
Eight candidate genes selected in this study were previously associated with gene-environment interactions in asthma in an urban area. These genes were analyzed in a familial collection from a founder and remote population (Saguenay-Lac-Saint-Jean; SLSJ) located in an area with low air levels of ozone but with localized areas of relatively high air pollutant levels, such as sulphur dioxide, whe...
BACKGROUND The disparity in the prevalence of cardiovascular disease and type 2 diabetes between African Americans and whites has been well established, and ethnic differences in several risk factors for these diseases are evident in childhood. OBJECTIVE The current study explored whether dietary factors explain ethnic differences in serum lipids and insulin profiles in children, independent ...
OBJECTIVES The health risks associated with exposure to non-asbestiform asbestos minerals, including nephrite, are unclear. In 1965 nephrite processing began in the town of Fengtian in Taiwan, and the majority of inhabitants were involved in the industry from 1970 until 1980. The objectives of this study were to examine lung cancer deaths and assess the carcinogenic effects of nephrite carving....
2 Irena Zdovc, PhD, assistant professor, University of Ljubljana, Veterinary Faculty, Institute for Microbiology and Parasitology, Gerbičeva 60, SI-1000 Ljubljana, Slovenia; Center of Excellence NAMASTE, Jamova 39, SI-1000 Ljubljana, Slovenia Summary Listeria monocytogenes and other Listeria species are microorganisms which can signi#cantly a$ect the health of consumers transferring by meat and...
The study was carried out with an objective to find out the effects of air pollution on lipid profiles of trained and untrained males of West Bengal. Sample consisted of 60 sprinters, 60 footballers and 120 untrained males, subdivided into two groups from two zones namely Tollygunge and Sonarpur. SPM, RPM, SOx and NOx of ambient air were monitored for both zones. Height and weight of all the ma...
Determination of air-loop volume and radon partition coefficient for measuring radon in water sample
A simple method for the direct determination of the air-loop volume in a RAD7 system as well as the radon partition coefficient was developed allowing for an accurate measurement of the radon activity in any type of water. The air-loop volume may be measured directly using an external radon source and an empty bottle with a precisely measured volume. The partition coefficient and activity of ra...
A fully instrumented air conditioning laboratory unit capable of controlling drying air temperature and humidity integrated with an instantaneous weighing thin layer drying system was used to investigate the thin layer drying behavior and desorption equilibrium moisture content of canola (Brassica napus L.). To this aim, freshly harvested canola samples with moisture content of about 12±0.5% (d...
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