This review paper examines and evaluates urine-sampling methodologies in infants and young children, to determine which methods are suitable for use in large biomonitoring surveys or studies of ...

As far back as the late 1800s, researchers realized that answers to some ecological questions could be obtained by examining the molecular composition of organisms. One of the earliest attempts at ...

This is a preview. Log in through your library . Abstract Criteria for selecting sites are described and the various sampling, rearing, and identification techniques used to investigate field S.

Scientists at Scripps Institution of Oceanography at UC San Diego, the J. Craig Venter Institute (JCVI), and the National Oceanic and Atmospheric Administration (NOAA) used tools of genetics research ...

Sampling is a type of scientific surveying which can save time and money and give information on the population of animals and plants. There are many different types of sampling; the most useful type ...