| Grant number: | 14/09562-4 |
| Support Opportunities: | Regular Research Grants |
| Start date: | December 01, 2014 |
| End date: | November 30, 2016 |
| Field of knowledge: | Engineering - Electrical Engineering - Electrical, Magnetic and Electronic Measurements, Instrumentation |
| Principal Investigator: | Marcelo Mulato |
| Grantee: | Marcelo Mulato |
| Host Institution: | Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil |
| Associated researchers: | Adalgisa Rodrigues de Andrade |
| Associated research grant(s): | 15/50082-9 - Towards novel biosensor devices for improved Cancer diagnosis, AP.R SPRINT |
Abstract
The development of new biosensors is important to the medical field. The miniaturization of these devices will perform less invasive procedures, reducing the amount of sample to be analyzed, possibly faster responses and easy microelectronic processing. Additionally, studies of new materials could develop devices with higher sensitivity and selectivity. This project proposes the study and comparison of microelectronic biosensors with selective layer for pH and / or specific biostructures using oxide films and DNA films. It may be mentioned glucose, urea and specific DNA sequences. There will be the proposed selective materials optimization using electrochemical techniques such as cyclic voltammetry and electrochemical impedance spectroscopy. The analysis of developed prototype biosensors will be complemented with experiments using field effect transistors with extended gate and quartz crystal microbalance in order to compare electric results with gravimetric results. Thus, the construction of biosensors for their application in large scale and low cost are expected. (AU)
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