Supramolecular optical sensor array is one of the effective tools for molecular recognition information visualization in analytical chemistry.However,most optical sensor arrays are mainly tested in solution state,greatly limiting their application range.Therefore,solid-state optical sensor arrays,such as polymer gel and paper,are developed to expand the application range of optical sensors as on-site visual analysis tools.In this review,combined with powerful data processing technology and practical portable digital detection technology,the application and prospects of molecular optical sensor arrays involving solid-state media are summarized.
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