Ion-selective membrane modified microfluidic paper-based solution sampling substrates for potentiometric heavy metal detection
Rochelle Silva, Ke Zhao, Ruiyu Ding, Wei Ping Chan, Mingpeng Yang, Jane Si Qi Yip, Grzegorz Lisak
Abstract
Ion-selective membrane modified paper substrates were used to control the unfavourable super-Nernstian response of Pb 2+ -ISEs when coupled with microfluidic paper-based solution sampling.
Topics & Concepts
Potentiometric titrationAnalytePotentiometric sensorMembraneDetection limitChemistryAdsorptionElectrodeMetal ions in aqueous solutionMetalChromatographyAnalytical Chemistry (journal)Organic chemistryPhysical chemistryBiochemistryAnalytical Chemistry and SensorsElectrochemical Analysis and ApplicationsBiosensors and Analytical Detection