| 摘要 |
Diagnostic devices and methods involve comparison of relative levels of first and second components and/or characteristics of a fluid sample (e.g., saliva), preferably using bound antibodies arranged to interact with selected components, and colorimetric indicators that are released in proportion to relative concentration or amount of the components or characteristics, as indicative of a health condition such as dehydration state, shock state, stress state, disease state, drug consumption, and drug metabolization. Amylase and IgA may be selected as specific salivary components of interest.
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