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On-site analysis of multiple analytes from different classes (such as heavy metals, proteins and small molecules), at the sensitivity required for a selected application, is a hard technological challenge. In this context, optical sensing in miniaturized systems has the largest potential. Baser on our previous findings,[1-3] we present here the design and optimization of a miniaturized optical sensor with multiple channels, capable of multimodal optical detection in each channel, and the proof-of-concept realization of sub-systems providing two complementary detection modes: plasmon enhanced fluorescence and localized surface plasmon resonance. The multichannel (enabling multiplexing) and multimodal optical sensor is designed to have a total size of one inch-square and optimized sensing performance, obtained by combining organic optoelectronic and nanoplasmonic components.
[12] M. Prosa et al., Adv. Funct. Mater. 31 (2021).
[13] M. Bolognesi et al., Adv. Mater. 2208719 (2023) 1–13.
[14] F. Floris et al., Mater. Proc. 14 (2023) 1–5.
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