Sentence examples for samples may involve from inspiring English sources

DGGE and cloning using PCR-amplified DNA obtained from water samples may involve such risks and therefore phylogenetic analyses were also performed on sequences derived from isolated strains only (149 sequences in total).

Even if sampling materials are pre-screened and known to be contaminant-free, and field blanks are collected, the study design itself, specifically the timing and mode of collecting the biological samples, may involve the use of materials or products that contain the target compounds (or their precursors) (National Toxicology Program 2008).

It is based on local convenience samples, which may involve participation bias, and not be representative of crack user populations in the study sites, or elsewhere in Brazil.

For further analysis, the molecules screened out by large scale proteomics should be individually validated in each case among a large cohort of samples which may involve the environmental, genetic, biological and stochastic variation [ 39, 40].

Epigenetic states are often tissue- and cell-specific and a sample of cells may involve a mixture of cells with different profiles.

Analytical protocols for these analytes are typically based on gas chromatography (GC) or high-performance liquid chromatography (HPLC), both of which may involve long sample run times and often require extensive sample preparation prior to analysis.

Alternatives to these methods may involve removing samples with low estimates of tumour purity, or removing the miRNA with strong correlations to tumour purity from analysis.

Because of logistical constraints, investigators often employ non-invasive 'captures' that may involve 'genetic' or 'photographic' sampling in such cases.

Future research may involve a more random sample of subjects of varying age, gender, religion, race, and education levels in order to strengthen the outcome of the study.

This processing may involve background correction, normalization, sample selection, or feature/gene selection.

Any one case may involve a wide variety of samples such as tool marks, paint, glass, textile fibers, and blood.