Figure 4
From: A Smartphone-based Diffusometric Immunoassay for Detecting C-Reactive Protein
(a) Smartphone-based microscope for imaging 300 nm fluorescent beads (b) A video of the Brownian motion of the nanobeads. The interrogation window is shown as a dashed-line circle. (c) The intensity variation, I(t), in the interrogation window. (d) The autocorrelation function, G(τ), in the interrogation window.
