Switching from Gold to Europium: A Guide for High-Sensitivity LFA
Why Fluorescence? Europium nanobeads offer 100x higher sensitivity than colloidal gold due to Time-Resolved Fluorescence (TRF) which eliminates background noise. Membrane Autofluorescence Standard nitrocellulose glows under UV light, killing your signal. Due Bio offers a special “Low-Fluorescence” grade membrane specifically cast for TRF readers.