Single 5-nm quantum dot detection via microtoroid | Newswise
Newswise — The detection of individual particles and molecules has opened new horizons in analytical chemistry, cellular imaging, nanomaterials, and biomedical diagnostics. Traditional single-molecule detection methods rely heavily on fluorescence techniques, which require labeling of the target molecules. In contrast, photothermal microscopy has emerged as a promising label-free, non-invasive imaging technique. This method measures localized…
