Supplementary Material# 1; Supplementary Material# 2; Supplementary Material# 3 from Sensitive colorimetric assay using insulin G-quadruplex aptamer arrays on DNA nanotubes coupled with magnetic nanoparticles

Circular dichroism spectroscopy of G-rich aptamer-insulin interaction; Atomic force microscopy of DNTs coupled with magnetic nanoparticles; Standard curve with a residual plot of insulin detection via the aptamers array based on a serial concentration of insulin (1.56-100 µIU/ml) with 2 µM G-rich aptamer