Another brick in the wall: DNA nanotechnology has come a long way since its initial beginnings. This would not be possible without the continued development of methods for DNA assembly and new uses for DNA as a material. This Special Issue highlights some of the newest building blocks for nanodevices based on DNA.

A novel 2D triangular brick-wall framework based on CMCR and bpe with included ruthenocene guest molecules is formed with time by conversion of a 1D wave-like polymer structure with an accompanying bowl-to-boat conformational change of the CMCR molecules.

A novel class of narrow band filters is presented that offers great rejection of out of band noise and a flat top at the peak. The filter is unconventional, as the output of such a filter is a series of spikes, like the action potential in the auditory nerve. The product of its time and frequency window is less than unity even using 100% output cutoff points. A bank of such filters has been use...