Heavy Metals Detection with Paper-Based Electrochemical Sensors

This Feature summarizes recent works in paper-based potentiometry and voltammetry heavy metal determination. Interactions of paper substrates with metals, influence on the sensing response, modification methods applied to improve performance recently developed electrochemical sensors are discussed. Since rekindling interest analytical devices, methodologies electrode designs for determinations highlighted. Promising aspects use these samples containing solids increased versatility analytics offers possibility acceptance low-cost platforms.