CdTe Quantum Dots Modified with Cysteamine: A New Efficient Nanosensor for the Determination of Folic Acid. - Doris E. Ramírez-Herrera; Ana Patricia Reyes-Cruzaley; Giselle Dominguez; Francisco Paraguay-Delgado; Antonio Tirado-Guízar; Georgina Pina-Luis (Sensors, 2019)