Much uncertainty surrounds transmission of transmissible spongiform encephalopathies (TSEs) through blood and blood derived products. A first expert elicitation with 14 experts was conducted in March 2008, and a second re-elicitation involving 11 experts was held a year later in March 2009. Both expert groups were calibrated using a series of seed questions for which values are known, and then were asked to provide their individual judgements on a set of seven target questions for which values are not known or have not been determined through conventional research. Questions dealing with uncertainty of TSE prevalence, genotype effects, susceptibility, and infectivity were answered by the experts. Elicitation can be used to obtain quantitative values for parameters affecting prion uncertainty gaps. We show that the method is amenable to re-elicitation over time allowing refinement of expert opinion as new knowledge becomes available for improved risk assessments where data gaps continue to exist.
- Inderscience Publishers
- Expert judgement and re-elicitation for prion disease risk ...
Combatting bacteria growth in emergency tank showers
Emergency safety showers and eye wash stations are essential for sites where workers could come into contact with hazardous chemicals. In some environments providing this life saving equipment can be challenging, for instance a consistent supply of potable water cannot be guaranteed, or a tepid temperature can be difficult to maintain due to extreme ambient temperatures. In these instances, emergency tank showers provide a viable solution. However, because emergency tank showers can go unused for extended...
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General Information Neonicotinoids are a family of active substances which include imidacloprid, acetamiprid, thiacloprid, dinotefuran, nitenpyram, thiamethoxam and clothianidin. They are used in plant protection to control harmful insects and also in veterinary medicine. The name literally means “new nicotine-like insecticide” due to the chemical similarity to nicotine. Sometimes the name neonicotinoids is shortened to “neonics” or “NNIs”.¨ The neonicotinoid class...