A nanogap-enhanced SERS nanotag–based lateral flow assay for ultrasensitive and simultaneous monitoring of SARS-CoV-2 S and NP antigens. - Liu, Xiaoxian; Yang, Xingsheng; Wang, Chongwen; Liu, Qiqi; Ding, Yanlei; Xu, Shiping; Wang, Guanghui; Xiao, Rui (Microchimica Acta, 2024)