Autor: Emily K. Byrne

Erbium is a rare chemical element. A rare, silvery, white metallic lanthanide, erbium is solid in its normal state. Erbium’s principal uses involve its pink-colored ions, which have optical …

Quinolone antibacterial agents are among the most attractive drugs in the field of anti-infective chemotherapy. Quinolones target the essential bacterial type II topoisomerases, which are involved in …