THONGSAI, N.; CHUIDUANG, A.; KLADSOMBOON, S.; IN, I.; PAOPRASERT, P. Multipurpose Fluorescent Carbon Dots from Papaya Seed Waste As Sensing Materials for Cu\(^{2+}\) Detection and Diethyl Ether Vapor Sensor via Electronic Nose System. J Met Mater Miner 2023, 33, 1684.