Analytica chimica actaGraphiteRhodaminesElectrodesElectrochemical TechniquesAzo Compounds
Voltage-electrolyte engineered graphene electrodes for simultaneous detection of nM-level Ponceau 4R and Rhodamine B.
Lingbo Liu, Qing Yuan, Fafa Qi, Jiajing Chen, Wenpeng Wang, Junxing Hao, Kangbing Wu
Published: 202510.1016/j.aca.2025.344640
Abstract
BACKGROUND: Misuse of food colorants threatens public health. Ponceau 4R (PR), a legal red dye, may cause allergies, neurotoxicity, and carcinogenicity in excess. Worse, it is often fraudulently replaced by Rhodamine B (RB), a low-cost industrial dye…
Preview only. Read the full abstract at the source