Author response for 'Resistance mechanism of soluble microbial products to silver nanoparticles in activated sludge: adsorption, bonding and influencing factors' - null Jia Kang; null Ao-di Wang; null Yao-wen Zhang; null Fei Dai; null Jing-jing Zhu; null Chu-qiong Song; null Gang-fu Song (2025)