Substrates for small-molecule detection.
(A) Detection of small molecules with LSPR. SEM images of the Au nano-disks fabricated on glass substrate and a scheme of the binding process. Adapted with permission from ACS Nano, 2014, 8 (8), pp. 7958–7967. Copyright 2014 American Chemical Society . (B) Schematic representation of the HMM sensor device and SEM image of the two-dimensional sub-wavelength gold diffraction grating on top of the HMM. The grating has an average period of 500 nm and whole size of 160 nm (scale bar, 2 μm). Reprinted by permission from Macmillan Publishers Ltd.: Nat Mater 15, 621–627 (2016), Copyright 2016 . (C) SEM images of Fe3O4@SiO2@Ag magnetic particles and schematic representation of their composition. Adapted from Sci Rep 6, 22870 (2016) . (D) Perfluorinated prism and micro-porous membrane immersed in water and air, as indicated, and a SEM image of the cross section of the micro-porous membrane. Adapted with permission from R. Lanfranco, F. Giavazzi, M. Salina, G. Tagliabue, E. Di Nicolò, T. Bellini, and M. Buscaglia, APS, Phys Rev Appl 5, 054012, 1–15, Copyright 2016 by the American Physical Society .