Kien-Wen Sun

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1. Introduction To sustain the eco-systems, detection and quantification of biological and environmental contaminants, such as metal ions, anions, bio-analytes, pesticides, and herbicides, are essential [1,2,3,4,5]. Thus, several tactics have been employed for analytes/hazards detection, including nanoprobes-based colorimetric/fluorometric assay, instrumentation-based quantification, metal-organic frameworks (MOFs)-tuned analyte detection, and organic/polymeric probes-based sensors, etc.