Innovative processes in photography developed around 1840 in Vienna, Austria

Daguerreotypes – The Science of Early Photography

Ternary Silver Oxide with an Unusual Structure
Subvalent silver structure features clusters with uncommon bonding

Evidence for an Early Genetic System
Simple mixtures of ribose and urea produce nucleosides capable of forming base pairs

Pathways toward Post-Petrochemistry
Electroreduction of carbon monoxide for the highly selective production of ethylene

Aza-Version of the Hexadehydro-Diels–Alder Reaction
Pyridynes made from diyne nitriles

Efficient Synthesis of Macrocyclic Peptides
Selective cyclization produces small- to medium-sized cyclic peptides

First Hypervalent Iodine(III/V) Reagent
New oxidant can be used in the synthesis of 2-unsubstituted 2H-azirines

KNCV Gold Medal 2019
Ilja Voets, Eindhoven University of Technology, The Netherlands, received the most important Dutch chemistry prize

Separating Illicit Drugs with MagLev
Magneto-Archimedes levitation (MagLev) could complement or even replace other portable drug identification techniques

Versatile Difunctionalization of Cyclopropyl Amines
Nucleophilic substitution reaction using N-iodosuccinimide