Dual-emission rare-earth fluorescent nanomaterials for ratiometric and visual detection of N-acetylneuraminic acid and applications in information encryption and anti-counterfeiting - Jiaxin Wei; Qingyang Gu; Xinyu Er; Jia Sun; Lixia Zhao; Rui Qin; Haibo Jin (Analytica Chimica Acta, 2024)