Duran, Serap TitretirPasahan, AzizAyhan, NurcanGungor, OznurCengiz, Mahmut AlperKoytepe, Suleyman2024-08-042024-08-0420170360-25591525-6111https://doi.org/10.1080/03602559.2017.1289403https://hdl.handle.net/11616/97786Stable voltammetric sensors were fabricated by dropping the guar-containing polyurethane films on a platinum electrode for the non-enzymatic determination of caffeic acid. The voltammetric responses of PU-G-1% toward caffeic acid have a linear concentration range from 1 to 15mM with a correlation coefficient of 0.9938. The detection limit of PU-G-1% electrode was approximately 0.25mM. PU-G-1% sensor showed the good sensitivity, selectivity, high R-value, low detection limit, and high reproducibility toward caffeic acid. Therefore, it is claimed that the polyurethane film containing 1% guar can be used as an excellent selective membrane for caffeic acid detection in the presence of interferent molecules. [GRAPHICS] .eninfo:eu-repo/semantics/closedAccessCaffeic acidpolyurethane filmssensorsvoltammetric sensorArticle56161741175110.1080/03602559.2017.12894032-s2.0-85018167879N/AWOS:000414196200004Q3