Sentence examples for a difficult sample from inspiring English sources

117 Although bone marrow is a difficult sample to obtain, it is the most sensitive substrate for diagnosis of visceral leishmaniasis.

The narrow age group targeted in this survey and the random location quota methodology make this a difficult sample to locate, particularly as some of the randomly selected areas have a very low proportion of young people.

For historical reasons, New Zealand, and particularly AgResearch, the New Zealand partner of FA1002, has had a strong tradition in wool proteomics, a difficult sample that involves the access to dedicated protein databases and challenged by the correct identification of proteins that, albeit their limited number, are extremely similar.

This is a very difficult sample group to access and it would be very hard to provide empirical evidence - any claims would therefore be pretty speculative".

"It's a particularly difficult sample to work with".

Review of the histology by an expert committee is recommended in all difficult samples and in all clinical trials (recommendation).

In addition, several valuable benefits are expected including reduction of the process time, suppression of a rather difficult sampling and tedious off-line analyses.

Typical limitations of some existing machines include poor isometry, large organ bath volume or difficult sample mounting.

Specifically, samples of urine, saliva and serum are associated with difficult sample matrices.

The simplicity and accessibility of SPMA can overcome bottlenecks due to difficult sample preparation and handling in urinary proteomics.

The database approach consists basically of three steps: measuring reference substances to generate a database, measuring unknown or difficult samples and using the database for the identification of these samples.