Correction: Formulations of poly(vinyl alcohol) functionalized silk fibroin nanoparticles for the oral delivery of zwitterionic ciprofloxacin - Nguyen Thi Phuong Thao; Ngoc Yen Nguyen; Van Ben Co; Luong Huynh Vu Thanh; Manh Quan Nguyen; Suchiwa Pan-On; Duy Toan Pham (PLoS ONE, 2026)