A new paper co-authored by UNE’s Karen Houseknecht and Deborah Barlow in collaboration with senior author Adriano Mollica (Università degli Studi “G. d’Annunzio”, Chieti, IT) was published in ACS Medicinal Chemistry Letters on October 17,2022 “Discovery of κ Opioid Receptor (KOR)-Selective d-Tetrapeptides with Improved In Vivo Antinociceptive Effect after Peripheral Administration”