Single-Exosome SERS Detection by Means of a Flexible Metasurface. - Mochalov, Konstantin; Korzhov, Denis; Shestopalova, Milena; Ivanov, Andrey; Afanasev, Konstantin; Smyk, Alexander; Shurygin, Alexander; Sarychev, Andrey K. (Biosensors (2079-6374), 2025)