Sentence examples for origin of contamination from inspiring English sources

The tool can also be used as a framework for testing hypotheses on the origin of contamination in the catchment and for identification of unknown contaminant sources.

The different ways that romaine lettuce is harvested could make identifying the specific origin of contamination more difficult, Marler said.

We assessed the capacity of real-time PCR markers to identify the origin of contamination in shellfish.

— Nick Fox Bloomberg Businessweek: An overview of the disputed "trace-back" law that Congress could enact to quickly track food-borne illness back to the origin of contamination in salmonella outbreaks involving peanuts, eggs, peppers and other ingredients.

These techniques provide means to trace epidemiologically related strains leading to the tracking back to the origin of contamination [ 28].

We conducted epidemiologic, microbiologic, trace-back, and environmental investigations to determine the source of the outbreak and the origin of contamination.

An overarching theme for this chapter is the importance of experimental design and multiplexing measurements to confirm detections and improve conclusions made concerning the origins of contamination.

The detection of other Listeria species may be useful to uncover other origins of contamination by the Listeria genus as few cases of listeriosis have been attributed to L. ivanovii (Cummins et al. 1994; Guillet et al. 2010; Lessing et al. 1994), L. innocua (Perrin et al. 2003) and L. seeligeri (Rocourt et al. 1986).

Main outcome measures: pregnancy outcome (normal delivery, ectopic pregnancy, spontaneous abortion, voluntary termination of pregnancy (TOP) according to year of pregnancy, age at pregnancy professional status, marital status, ethnic origin, mode of contamination, stage of disease, partner's human immunodeficiency virus (HIV) status and prior pregnancy.

Our group recently developed quantitative PCR (qPCR) assays for the quantification of chicken/turkey parvoviruses and ovine polyomaviruses which, together with those previously proposed for human, bovine and porcine fecal contamination, might constitute a tool box for studying the presence and origin of fecal contamination in environmental samples (Table 1).

Molecular-based methods provide information about the source of contamination (human or animal origin).