Design of a low-cost optical instrument for pH fluorescence measurements.
Francisco Javier Ferrero MartínJuan Carlos Campo RodriguezJuan Carlos Álvarez AntónJuan Carlos Viera PérezI. Sanchez-BarraganJosé M. Costa-FernándezA. Sanz-MedelPublished in: IEEE Trans. Instrum. Meas. (2006)