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

University of Sao Paulo - Brazil

Polytechnic School

Laboratory of Integrated Systems (LSI)Laboratory of Integrated Systems (LSI)

Brasil

São Paulo City

University of São Paulo60K Students:

–37K Undergraduate–23K Graduate

5K Profs. & Ph.D. Researchers 5 Campuses35 Faculties (129 courses)33 Centers & Institutes 4 Hospitals (8,000 Beds) 4 Museums

Polytechnic School

105 years old institution495 Faculty Members

–15 DepartmentsElectronic Systems Department

–35 Faculty

– 3 Labs

Laboratory of Integrated Systems

26

14

6

116

75

14 Full Profs.Associate

Assistant

Visiting Scientists

Graduate

Undergraduate

StaffInformation Systems Integration

•DIGITAL SYSTEMS

•VLSI DESIGN METHODOLOGIES

•INTEGRATED MICROSYSTEMS

Integrated Microsystems Groups

Integrated SensorsMicrostructures for Sensors and ActuatorsOptical MicrodevicesPECVD TechnologyLithography and Plasma TechnologySurface EngineeringCMOS-SOI

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

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

Microfabrication Development •Microchannel technologyMicrochannel technology

•Sacrificial layer technologySacrificial layer technology

•Silicon probe technologySilicon probe technology

Modeling •Microchannel gas flowMicrochannel gas flow

•Forced convection Forced convection

•Mechanical strength Mechanical strength

Microfluidic amplifiers •No movable part, flow control, flow mixture

Nitrogen flow control

Gas contamination pre-concentratorsGas 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)

Flow and gas microsensorsFlow and gas microsensors

•Small flow measurement, gas and liquid applications, possibility of integration in microchannels

Nitrogen flow measurement

Electrochemical microsensorsElectrochemical microsensors

•In vitro, in vivo, multipoint and multispecies detection

NO detection

Silicon needle fabrication

New Developments •Microluidic oscillatorMicroluidic oscillator •Pre-concentrators coupled toPre-concentrators coupled to

capillary electrophoresiscapillary electrophoresis

•Time-of-flight flow sensorTime-of-flight flow sensor •Electrodes array for cardiac Electrodes array for cardiac potential mapping potential mapping