Firmenich

Pentair's reverse osmosis membranes use polyamide thin-film composites — interfacial polymerization creates a 100nm selective layer that rejects 99% of dissolved salts. Water purification is membrane chemistry in action.

ChemEd X connects chemistry teachers worldwide with peer-reviewed lesson plans, lab protocols, and demonstration guides. Because the best chemists are built one experiment at a time.

Novo Nordisk's semaglutide — the active ingredient in Ozempic/Wegovy — is a 31-amino-acid peptide manufactured via recombinant DNA technology in yeast. Industrial-scale peptide chemistry reshaping metabolic medicine.