Publications by authors named "Natalya Romanova"
Article Synopsis
- The study investigates the chemical composition of thoracic dust and workplace exposure to clinker in the cement production industry, linking high pH levels from clinker hydration to respiratory issues in workers.
- Researchers analyzed 1,250 thoracic dust samples from 15 cement plants across 8 countries using advanced techniques like ICP-OES and positive matrix factorization (PMF) to determine the composition and quantify clinker content.
- Results revealed a median clinker fraction of 45% in the dust samples, highlighting significant variations between plants, and identified five key sources contributing to the dust composition.
Article Synopsis
- A study measured elemental carbon (EC) and nitrogen dioxide (NO2) levels in various work environments in Norway to assess exposure to diesel exhaust emissions from diesel-powered engines.
- The highest concentrations of EC were found in aluminium smelters and road tunnels, while lower levels were observed in baggage handling and open-pit mining.
- The relationships between EC and NO2 indicated shared sources in certain environments like underground mining and road tunnel finishing, but the correlations were inconsistent across different industries, suggesting complex air chemistry influences.
Urinary copper (Cu), nickel (Ni) and cobalt (Co) concentrations were determined for 127 Cu refinery workers (40 females, 87 males), with values of the 95% upper confidence interval of the geometric mean in nmol per mmol creatinine of 89 (Ni), 42 (Cu) and 3.4 (Co) for electrorefinery workers. In the pyrometallurgical departments, the corresponding concentrations were 37 (Ni), 99 (Cu) and 11 (Co).
View Article and Find Full Text PDFThe exposure characterisation described in this paper for 135 copper refinery workers (45 females, 90 males) focuses on the concentrations of copper, nickel and other trace elements in the inhalable aerosol fractions, as well as in the water-soluble and water-insoluble subfractions. Some information is also provided on the thoracic and respirable aerosol fractions. Further, results are presented for volatile hydrides of arsenic and selenium released in the copper purification steps of the electrorefining process.
View Article and Find Full Text PDFElements in placenta and pregnancy outcome in arctic and subarctic areas.
Int J Circumpolar Health
May 2004
Objectives: This paper describes a comprehensive assessment of the association of concentrations of essential and toxic elements in maternal and neonatal body fluids and the placenta as predictors of birth weight and newborn body mass index (BMIC) for deliveries in northern Norway and Russia.
Study Design: A prospective cross-sectional study of delivering women and their outcomes from different locations in Russian and Norwegian arctic and sub-arctic areas.
Methods: Life-style information, blood, urine and placenta specimens were collected for 50 consecutive mother-infant pairs from hospital delivery departments in a total of six communities located in Finnmark, Norway, or the western arctic/subarctic regions of Russia.