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Category: Technical

Posted on11/04/201228/06/2018Technical

Minimum detectable annual dose calculation for routine individual monitoring programme in case of plutonium and uranium contamination of the workplace

by chemwatch

An example of a numerical method application for minimum detectable annual dose calculation that can be guaranteed by the operating monitoring programs for plutonium and…

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Posted on11/04/201228/06/2018Technical

Pesticide exposure and risk of Parkinson’s disease – a population-based case-control study evaluating the potential for recall bias

by chemwatch

This study assessed whether pesticide exposure was associated with Parkinson’s disease in a population-based, case control study in British Columbia, Canada. Patients reimbursed for anti-parkinsonian…

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Posted on11/04/2012Technical

Determination of arsenic scalp hair of Pakistani children and drinking water for environmental risk assessment

by chemwatch

This cross-sectional study measured arsenic (As) concentrations in scalp hair from children in 2 age groups exposed to polluted groundwater in Pakistan. As concentrations in…

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Posted on11/04/2012Technical

Effect of water disinfection type on adverse foetal outcomes

by chemwatch

In the present study, the authors observed small increased risks of pre-term delivery (PTD) for chlorinated surface water, chlorinated groundwater, chloraminated water, and all other…

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Posted on11/04/2012Technical

Distribution of selected trace elements in dust containment and flue gas desulphurisation products from coal-fired power plants

by chemwatch

Trace elements contained in coal escape with flue gas from energy sources into the air or move towards other components of the environment with byproducts…

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Posted on11/04/201228/06/2018Technical

Assessing the health risks of natural CO2 seeps in Italy

by chemwatch

Industrialised societies which continue to use fossil fuel energy sources are considering adopting C capture and storage (CCS) technology to meet C emission reduction targets.…

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Posted on10/04/201228/06/2018Technical

Distribution of particle measurement values and their importance for the derivation of limit values – proposed solutions and critical discussion.

by chemwatch

Owing to fluctuations in pollutant concentration over time, measurement and averaging time has a key effect on the value obtained. Long-term concentrations and long-term exposure…

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Posted on10/04/201228/06/2018Technical

Smoke and carbon monoxide alarm device having a video camera

by chemwatch

The present invention relates to a smoke and carbon monoxide alarm system including a smoke and carbon monoxide alarm device and a base unit connected…

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Posted on10/04/2012Technical

Concentration, distribution, and translocation of mercury and methylmercury in mine-waste, sediment, soil, water, and fish collected near the Abbadia San Salvatore mercury mine, Monte Amiata district, Italy

by chemwatch

The distribution and translocation of mercury (Hg) was studied in the Paglia River ecosystem, located downstream from the inactive Abbadia San Salvatore mine (ASSM). The…

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Posted on10/04/2012Technical

Removal of chromium by adsorption onto a strong-base anion resin: Study of equilibrium and kinetics

by chemwatch

Chromium is one of the heavy metals that is found in industrial effluents and is very toxic to humans and environment. In this work the…

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Posted on10/04/201228/06/2018Technical

Modulation of mast cell and basophil functions by benzene metabolites

by chemwatch

Benzene is a carcinogenic compound used in industrial manufacturing and a common environmental pollutant mostly derived from vehicle emissions and cigarette smoke. Benzene exposure is…

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Posted on10/04/2012Technical

Predictive performance for human skin sensitising potential of the human cell line activation test (h-CLAT)

by chemwatch

Recent changes in regulatory restrictions and social opposition to animal toxicology experiments have driven the need for reliable in vitro tests for predicting the skin…

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Posted on10/04/201228/06/2018Technical

An In Vitro Test to Screen Skin Sensitisers Using a Stable THP-1-Derived IL-8 Reporter Cell Line, THPG8

by chemwatch

Several studies have suggested that interleukin (IL)-8 can serve as a biomarker for discrimination of skin sensitisers from nonsensitisers. The authors established a stable THP-1-derived…

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Posted on10/04/201228/06/2018Technical

An environmental contaminant, benzo(a)pyrene, induces oxidative stress-mediated interleukin-8 production in human keratinocytes via the aryl hydrocarbon receptor signalling pathway

by chemwatch

This aim of this study is to elucidate whether or not BaP cause AhR activation and subsequent oxidative stress leading to IL-8 production in normal…

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Posted on10/04/2012Technical

The effect of environmental micropollutant (DEET) on the expression of cell cycle and apoptosis regulatory proteins in human cells

by chemwatch

N,N-diethyl-m-toluamide (DEET) is an insect repellent used worldwide, and a common micropollutant in aquatic environments. However, few studies have addressed the molecular mechanism of DEET…

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Posted on10/04/201228/06/2018Technical

Simplified flue gas desulfurisation apparatus

by chemwatch

The apparatus consists of an absorption tower, a slurry circulating tank outside the absorption tower and connected with the bottom of the absorption tower, a…

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Posted on10/04/201228/06/2018Technical

Systematic controllability analysis for chemical processes

by chemwatch

Modern chemical industrial processes are becoming more and more integrated and consist of multiple interconnected nonlinear process units. These strong interactions profoundly complicate a system’s…

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Posted on09/04/201228/06/2018Technical

The new general limit value for particulate matter for the respirable fraction: granular biopersistent particles

by chemwatch

The previously valid General Limit Value for Particulate Matter derived by the Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the…

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Posted on06/04/201228/06/2018Technical

Residue dynamics of 10% thifensulfuron methyl in wheat and soil

by chemwatch

This paper is to evaluate the safety level of thifensulfuron Me by analysing its residue after applied to the wheat field. Oscillation extension, solid-phase extension…

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Posted on06/04/2012Technical

Effects of transgenic insect-resistance hybrid poplar 741 groves on soil microorganisms

by chemwatch

In order to evaluate ecological safety of transgenic insect-resistance hybrid poplar 741, the diversity of soil microflora and Bt toxin protein were systematically studied in…

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