Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water
Islam M. El‐Sewify, Ahmed Radwan, Hassan Mohamed El-Said Azzazy
Abstract
Paper based chemosensors (PBCs) are prepared by coating mesoporous silica nanospheres on filter papers then immobilizing the probe. PBCs generate different colors in the presence of Co 2+ , Cd 2+ , Ni 2+ , or Fe 3+ and results are quantified by DICA.
Topics & Concepts
Mesoporous silicaMesoporous materialHeavy metalsNanotechnologyMaterials scienceChemical engineeringChemistryEnvironmental chemistryOrganic chemistryEngineeringCatalysisMolecular Sensors and Ion DetectionElectrochemical sensors and biosensorsElectrochemical Analysis and Applications