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Fabrication of microfluidic devices envisanging aplications in precision agriculture and bioenergy


This project aims the study and fabrication of nanostructured layer-by-layer films (LbL) of graphene nanoplatelets, PEDOT and Montmorilonite clay (MMT) inside microchannels, at distinct combinations and molecular architectures. The main target is the development of microfluidic devices at LABIOEN/UNICAMP throughout supramolecular structures that facilitate the subsequent incorporation of ionophores, enzymes, bacterias and metallic nanoparticles to detect elements of interest (phosphorus, potassium, sodium and calcium) and differentiation of soil samples, besides studies involving biofuel cells. The use of PEDOT and MMT is promissing in the disponibilization of active charge sites that might contribute positively for both ionic exchange and nanostructuration of the materials, while graphene has been highlighted in the development of sensors regarding to the amplification of catalytic reactions and transport of materials, with significant contributions for sensing and detection limit in several devices and applications. The use of microfluidics allows separations and detections with high resolution and sensititvity,diminishing the time of analysis, despite the low-cost involved, adding value to the development of lab-on-a-chip devices, currently standing at the frontier of knowledge in nanoscience and nanotechnology. Our interest is the application of nanosctructured films in microfluidic devices, contributing to the development of sensors applied to the precision agriculture for soil analysis, and studies to forming devices able to convert chemical energy from alchool and sugar in electric energy (biofuel cells) (AU)

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Scientific publications (14)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LY, KALLY C. S.; JIMENEZ, MAWIN J. M.; CUCATTI, SILVIA; VOLPATI, DIOGO; PEREIRA-DA-SILVA, MARCELO A.; SHIMIZU, FLAVIO M.; ALMEIDA, TIAGO P.; RODRIGUES, VARLEI; DA SILVA, JOSE ALBERTO F.; ALVAREZ, FERNANDO; et al. Water enabled self-healing polymeric coating with reduced graphene oxide-reinforcement for sensors. SENSORS AND ACTUATORS REPORTS, v. 3, . (14/03691-7)
HENSEL, RAFAEL C.; PEREIRA-DA-SILVA, MARCELO A.; RIUL JR, ANTONIO; RODRIGUES, VARLEI. Dielectric Permittivity and Surface Charge Density in Layer-by-Layer Poly(diallyldimethylammonium chloride)/Poly(styrenesulfonate) Nanostructured Films: Implications for Biosensing. ACS APPLIED NANO MATERIALS, v. 3, n. 2, p. 1749-1754, . (14/03691-7)
JIMENEZ, MAWIN J. M.; DE OLIVEIRA, RAFAEL F.; BUFON, CARLOS CESAR B.; PEREIRA-DA-SILVA, MARCELO A.; RODRIGUES, VARLEI; GOBBI, ANGELO L.; PIAZZETTA, MARIA H. O.; ALVAREZ, FERNANDO; CESAR, CARLOS LENZ; RIUL JR, ANTONIO. Enhanced mobility and controlled transparency in multilayered reduced graphene oxide quantum dots: a charge transport study. Nanotechnology, v. 30, n. 27, . (14/25979-2, 14/03691-7)
GAAL, GABRIEL; MENDES, MELISSA; DE ALMEIDA, TIAGO P.; PIAZZETTA, MARIA H. O.; GOBBI, ANGELO L.; RIUL, JR., ANTONIO; RODRIGUES, VARLEI. Simplified fabrication of integrated microfluidic devices using fused deposition modeling 3D printing. SENSORS AND ACTUATORS B-CHEMICAL, v. 242, p. 35-40, . (14/03691-7)
HENSEL, RAFAEL C.; RODRIGUES, KEVIN L.; PIMENTEL, VINICIUS DO L.; RIUL, JR., ANTONIO; RODRIGUES, VARLEI. Automated self-assembly and electrical characterization of nanostructured films. MRS COMMUNICATIONS, v. 8, n. 2, p. 283-288, . (14/03691-7)
BRAUNGER, MARIA L.; SHIMIZU, FLAVIO M.; JIMENEZ, MAWIN J. M.; AMARAL, LUCAS R.; DE OLIVEIRA PIAZZETTA, MARIA H.; GOBBI, ANGELO L.; MAGALHAES, PAULO S. G.; RODRIGUES, VARLEI; OLIVEIRA, JR., OSVALDO N.; RIUL, JR., ANTONIO. Microfluidic Electronic Tongue Applied to Soil Analysis. CHEMOSENSORS, v. 5, n. 2, . (14/03691-7, 13/14262-7, 13/50942-2, 12/15543-7, 15/14836-9)
HENSEL, RAFAEL C.; BRAUNGER, MARIA L.; OLIVEIRA, BRUNO; SHIMIZU, FLAVIO M.; OLIVEIRA, JR., OSVALDO N.; HILLENKAMP, MATTHIAS; RIUL, JR., ANTONIO; RODRIGUES, VARLEI. ontrolled Incorporation of Silver Nanoparticles into Layer-by-Layer Polymer Films for Reusable Electronic Tongue. ACS APPLIED NANO MATERIALS, v. 4, n. 12, p. 14231-14240, . (15/14836-9, 14/03691-7, 16/12807-4, 07/01722-9, 18/22214-6)
DAIKUZONO, CRISTIANE M.; SHIMIZU, FLAVIO M.; MANZOLI, ALEXANDRA; RIUL, JR., ANTONIO; PIAZZETTA, MARIA H. O.; GOBBI, ANGELO L.; CORREA, DANIEL S.; PAULOVICH, FERNANDO V.; OLIVEIRA, JR., OSVALDO N.. Information Visualization and Feature Selection Methods Applied to Detect Gliadin in Gluten-Containing Foodstuff with a Microfluidic Electronic Tongue. ACS APPLIED MATERIALS & INTERFACES, v. 9, n. 23, p. 19646-19652, . (14/16789-5, 13/14262-7, 14/03691-7, 12/15543-7)
JIMENEZ, MAWIN J. M.; DE OLIVEIRA, RAFAEL F.; SHIMIZU, FLAVIO M.; BUFON, CARLOS CESAR B.; RODRIGUES, VARLEI; GOBBI, ANGELO L.; PIAZZETTA, MARIA H. O.; RIUL JR, ANTONIO. Poole-Frenkel emission on functionalized, multilayered-packed reduced graphene oxide nanoplatelets. Nanotechnology, v. 29, n. 50, . (14/25979-2, 14/03691-7)
HENSEL, RAFAEL C.; MOREIRA, MURILO; RIUL, JR., ANTONIO; OLIVEIRA, JR., OSVALDO N.; RODRIGUES, VARLEI; HILLENKAMP, MATTHIAS. Monitoring the dispersion and agglomeration of silver nanoparticles in polymer thin films using localized surface plasmons and Ferrell plasmons. Applied Physics Letters, v. 116, n. 10, . (14/03691-7, 13/14262-7, 16/12807-4)
GAAL, GABRIEL; DA SILVA, TATIANA A.; GAAL, VLADIMIR; HENSEL, RAFAEL C.; AMARAL, LUCAS R.; RODRIGUES, VARLEI; RIUL, ANTONIO, JR.. 3D Printed e-Tongue. RONTIERS IN CHEMISTR, v. 6, p. 8-pg., . (14/03691-7, 15/14836-9, 15/21616-5, 17/06985-0)
JIMENEZ, MAWIN J. M.; OLIVEIRA, RAFAEL F.; ALMEIDA, TIAGO P.; HENSEL FERREIRA, RAFAEL C.; BUFON, CARLOS CESAR B.; RODRIGUES, VARLEI; PEREIRA-DA-SILVA, MARCELO A.; GOBBI, ANGELO L.; PIAZZETTA, MARIA H. O.; RIUL, JR., ANTONIO. Charge carrier transport in defective reduced graphene oxide as quantum dots and nanoplatelets in multilayer films. Nanotechnology, v. 28, n. 49, . (14/25979-2, 14/03691-7)
GAAL, GABRIEL; DA SILVA, TATIANA A.; GAAL, VLADIMIR; HENSEL, RAFAEL C.; AMARAL, LUCAS R.; RODRIGUES, VARLEI; RIUL, JR., ANTONIO. 3D Printed e-Tongue. FRONTIERS IN CHEMISTRY, v. 6, . (15/21616-5, 17/06985-0, 14/03691-7, 15/14836-9)
HENSEL, RAFAEL C.; GONCALVES, MARIA H.; RODRIGUES, KEVIN L.; OIKO, VITOR T. A.; PIMENTEL, VINICIUS DO L.; PEREIRA-DA-SILVA, MARCELO A.; HILLENKAMP, MATTHIAS; RIUL, JR., ANTONIO; RODRIGUES, VARLEI. Monitoring and modeling the deposition of metal nanoparticles on surfaces by impedance. Applied Surface Science, v. 544, . (16/12807-4, 14/03691-7, 13/14262-7)

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