Possible face mask material provides high particulate filtration performance and is easy to clean, reuse, and recycle

Copper Nanowire Foams for Reusable Air Filters

Europium-Based Metal–Organic Frameworks for Antibiotics Detection
Presence of fluoroquinolone antibiotic residues shown by change in fluorescence color

Single Shot of COVID-19 Vaccine Boosts Antibodies in Recovered Patients
Vaccinating previously infected persons could improve protection against multiple virus variants

Harnessing Enzyme Promiscuity
Substrate‐directed formation of quinolones versus quinazolinones by a fungal dioxygenase

Membrane-Based ACE2-Rich Nanoparticles against COVID-19
Cells with high levels of ACE2 receptors used to create SARS-CoV-2 infection blockers

Angewandte Chemie 13/2021: Phase Transitions
Overview of the latest issue of Angewandte Chemie

Carbon Isotope Exchange in Aryl Nitriles
Late-stage isotope exchange with a broad substrate scope

Enantioselective Synthesis of Ozanimod
Active pharmaceutical ingredient of a new drug for multiple sclerosis

Concise Synthesis of Ansellone A
Marine sesterterpenoid could be a drug lead against HIV

Angewandte Chemie 11/2021: The Chemist's Perspective
Overview of the latest issue of Angewandte Chemie