Enhanced optical asymmetry in supramolecular chiroplasmonic assemblies with long-range order

Nanorod alignment for optical asymmetryThe high polarizability of chiral nanoassemblies of plasmonic nanoparticles can lead to strong chiral dichroism, but strong light scattering causes the fraction of polarized photons generated, as measured by g-factors, to be much lower than that for chiral liquid crystals. Lu et al. used supramolecular interactions of gold nanorods with human…

It takes tau to tangle

In Alzheimer’s disease and in other neurodegenerative diseases known as tauopathies, misfolded tau protein forms filamentous aggregates, known as tangles, in the brain. These tangles have often been considered end-stage features that will remain indefinitely within the brain once formed. Croft et al. studied the formation and potential clearance dynamics of tau inclusions in brain…

Could humans ever be venomous?

Home News The researchers studied the genome of the Taiwan habu, a venomous brown pit viper. (Image credit: Alexander Mikheyev) Could humans ever evolve venom? It’s highly unlikely that people will join rattlesnakes and platypuses among the ranks of venomous animals, but new research reveals that humans do have the tool kit to produce venom…