Abstract
Fluorescent probes have been widely exploited in biomarker detection, organelle-specific imaging, and many other aspects. Among them, aggregation-induced emission luminogens (AIEgens) have better biological detection capabilities at a high concentration than traditional fluorescent probes that suffer from aggregation-caused quenching (ACQ) effect. In recent years, AIEgens have been used in food safety and fluorescent thermometer by utilizing their unique response mechanisms to the external environment, such as restriction of intramolecular motions (RIM) and apparent changes insolubility. For instance, viscosity-responsive AIEgens based on RIM detects the viscosity change of the system, and then reflects the content of important indicators in food safety. In this chapter, we introduce the applications of AIEgens in foodstuff hazards, which would attract people's great interest because of the fast response and low background signal.
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