German chemist and physician developed one of the first periodic tables of chemical elements

125th Anniversary: Death of Lothar Meyer

Tetrazine Turns on Fluorophores
Tetrazine quenches the fluorescence of various dyes; can be removed by light irradiation to switch the fluorescence back on

Highly Effective Membrane Cleaning
High-pressure jet cleaning of microfiltration membranes can restore up to 80 % of the original throughput

Selective Thiolation of Halogenated Heteroarenes
Mild, site-selective reaction of electron-rich heteroarenes with thiols

Chiral Organosuperbase Catalyst
Brønsted-base catalyst with dual function

Enzymes Trapped in Gold
3D metallic cage protects enzymes while substrate molecules can still reach the active site

Single-Site Catalysis Hypothesis Challenged
Oxidative dehydrogenation of propane does not proceed over an isolated boron site

COVID-19 Specific Testing
Picture describes how coronavirus testing work

Career: As A Chemist at a Computational Software Company
Dr. Fedor Goumans, Chief Customer Officer, talks about his drive for customer satisfaction and emphasis on advancing technology

Artificial Caffeine Receptors
Effective recognition of caffeine by diaminocarbazolic receptors