Fabrication of microfluidic devices envisaging precision agriculture and bioenergy Research Precision Agriculture Energy conversion microfluidics /nanostructures biofuel cells rising technologies/sensors enzymatic fuel cells (Prof Frank Hollmann, TUDelft) Aims soil samples DET at interfaces Microfluidics fast response small amounts (samples and discharge) low cost easy integration multiple functionalities source: google images Lab-on-a-chip sample source: google images treatment analysis separation electric detection optic Nanomaterials + microfluídics - increase sensitivity of several systems - improve performance of analytical systems - decrease detection limit - added value (exiguous amount of materials) Materials choice PSS GPSS = (-) PDDA (+) source = google images Simplicity Syringe pump L for disposal Sensors & Actuators B, 2015, 207, 1129 + + - microchannel -+ + integration Soil samples 2,5 Capacitance (nF) MMt at 3.9 kHz 2,0 1,5 1,0 0,5 0,0 A1 A2 A3 A4 A5 A6 A7 Samples 0,4 (CuTsPc at 3.9 kHz) Capacitance (nF) 0,3 0,3 0,2 0,2 0,1 0,1 0,0 0,0 A1 A2 A3 A4 A5 A6 A7 Samples results not published Emergent technologies Biofuel cells Enzymatic fuel cell Acknowledgments Dra Celina M. Miyazaki / Dr Diogo Volpati / Cristiane M. Daikuzono / Waldomiro L.R. Mello / Tiago P. de Almeida / Mawin Martínez / Prof. Frank Hollmann / Daniela B.T. Mascagni / Angelo L. Gobbi / Maria H.O. Piazzetta / Prof. Dr Osvaldo N. Oliveira Jr / Prof. Dr Roberto M. Faria / Dra Marystela Ferreira / Gabriel Gaal / Melissa Mendes / Andrea H. Rodríguez / Prof. Dr Paulo S. Graziano Magalhães / Prof. Dr. Lucas Rios do Amaral / Prof. Dr Varlei Rodrigues + Prof. Dr Daniel Ugarte e toda equipe