Scientists in Italy have engineered a cheap and simple electrochemical sensor that cleans itself when exposed to ultraviolet light. Their system offers a route towards self-cleaning electrodes with myriad environmental and biomedical sensing applications – from detecting pollutants in water to monitoring medications in blood.
Open any book on chemical or biological sensors and you’ll find a lot of content on electrochemical devices. This prevalence is testament to the importance and advantages of electrode-based sensing; and electrodes containing nanomaterials are becoming increasingly popular, owing to their high surface-to-volume ratio, which can improve their sensitivity and lower costs.
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Self-cleaning properties in engineered sensors for dopamine electroanalytical detection
Guido Soliveri, Valentina Pifferi, Guido Panzarasa, Silvia Ardizzone, Giuseppe Cappelletti, Daniela Meroni, Katia Sparnacci and Luigi Falciola
Analyst, 2015, Advance Article
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