Corrigendum: High-Sensitive Surface Plasmon Resonance Imaging Biosensor Based on Dual-Wavelength Differential Method - Zeng, Youjun; Zhou, Jie; Sang, Wei; Kong, Weifu; Qu, Junle; Ho, Ho-Pui; Zhou, Kaiming; Gao, Bruce Zhi; Chen, Jiajie; Shao, Yonghong (Frontiers in Chemistry, 2022)