Application of poly (vinyl alcohol)-cryogels to immobilizing nitrifiers: Enhanced tolerance to shear stress-induced destruction and viability control - Minsu Song; Jihye Park; Junbeom Jeon; Yun-Geun Ha; Young-Rae Cho; Hyung-Jun Koo; Woong Kim; Hyokwan Bae (Science of The Total Environment, 2023)