Hundreds of unrecognized halogenated contaminants discovered in polar bear serum

Daily highlights from the periodic table of the elements

Covalently assembled peptide nanoparticles with adjustable fluorescence for multi-color bioimaging

The mole and three other metric units redefined and linked to the values of physical constants

Fluorogenic probe provides a unique optical fingerprint

New microscopy platform is an order of magnitude less expensive than comparable commercial systems

Porous silicon photonic crystals with silver nanoparticles for surface-enhanced Raman scattering (SERS)

Photo-induced enhanced Raman spectroscopy (PIERS) for the trace detection of organic compounds

Protein-based xenon MRI contrast agents with improved detection sensitivities

Overview of the latest issue of Angewandte Chemie