Figure 2.
(a) TEM images of IONPs before DNA tetrahedron functionalization in chloroform. (b) TEM images of IONPs after DNA tetrahedron functionalization in water. (c) Solvent dispersity of IONPs (left) before and (right) after DNA tetrahedron functionalization. (d) Magnetic separation of DNA tetrahedron nanostructure-functionalized IONPs.