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University of Sao Paulo - Brazil Polytechnic School Laboratory of Integrated Systems (LSI)

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Presentation on theme: "University of Sao Paulo - Brazil Polytechnic School Laboratory of Integrated Systems (LSI)"— Presentation transcript:

1 University of Sao Paulo - Brazil Polytechnic School Laboratory of Integrated Systems (LSI)

2 Brasil

3 São Paulo City

4 University of São Paulo 60K Students: –37K Undergraduate –23K Graduate 5K Profs. & Ph.D. Researchers 5 Campuses 35 Faculties (129 courses) 33 Centers & Institutes 4 Hospitals (8,000 Beds) 4 Museums

5 Polytechnic School 105 years old institution 495 Faculty Members –15 Departments Electronic Systems Department –35 Faculty – 3 Labs

6 Laboratory of Integrated Systems Full Profs. Associate Assistant Visiting Scientists Graduate Undergraduate Staff Information Systems Integration DIGITAL SYSTEMS VLSI DESIGN METHODOLOGIES INTEGRATED MICROSYSTEMS

7 Integrated Microsystems Groups Integrated Sensors Microstructures for Sensors and Actuators Optical Microdevices PECVD Technology Lithography and Plasma Technology Surface Engineering CMOS-SOI

8 Microstructures for Sensors and Actuators Group Coordinator: Dr. Rogerio Furlan (Associate Professor) Post-Docs: Dr. Eliphas Wagner Simoes Dr. Marcelo Bariatto Andrade Fontes Dr. José Alberto Fracassi da Silva Ph.D Students: M.S. Roberto Jacobe Rodrigues M.S. Silvana Gasparotto de Souza M.S. Students : B.S. Douglas Melman B.S. Roberto Eduardo Bruzetti Leminski Ronaldo Koiti Shiomi Nadia Pinto

9 Devices Development Microfluidic actuators and sensorsMicrofluidic actuators and sensors Flow and gas microsensorsFlow and gas microsensors Gas contamination pre-concentratorsGas contamination pre-concentrators Electrochemical microsensorsElectrochemical microsensors

10 Microfabrication Development Microchannel technologyMicrochannel technology Sacrificial layer technologySacrificial layer technology Silicon probe technologySilicon probe technology

11 Modeling Microchannel gas flowMicrochannel gas flow Forced convectionForced convection Mechanical strengthMechanical strength

12 Microfluidic amplifiers No movable part, flow control, flow mixture Nitrogen flow control

13 Gas contamination pre-concentrators Use of microchannels (silicon and modified) to concentrate pollutants N-hexane signal at the output (adsortion of ~ 1 mg for high contamination)

14 Flow and gas microsensors Small flow measurement, gas and liquid applications, possibility of integration in microchannels Nitrogen flow measurement

15 Electrochemical microsensors In vitro, in vivo, multipoint and multispecies detection NO detection Silicon needle fabrication

16 New Developments Microluidic oscillatorMicroluidic oscillator Pre-concentrators coupled toPre-concentrators coupled to capillary electrophoresis Time-of-flight flow sensorTime-of-flight flow sensor Electrodes array for cardiac potential mappingElectrodes array for cardiac potential mapping


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