Phenomenon serving as a basis of an examination.
Examples: - Selective amplification of a DNA sequence to compare for equivalence with a target sequence.
- Comparison of spectral properties of a component with properties of known substances.
Note: The phenomenon can be of a physical, chemical, or biological nature.
Source:
PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 919 (https://doi.org/10.1515/pac-2011-0613)