alexa Bio Signal Conditioning and Processing For Biological R
ISSN: 2155-6210

Journal of Biosensors & Bioelectronics
Open Access

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Research Article

Bio Signal Conditioning and Processing For Biological Real Time Applications Using Mixed Signal Processor

Smt Usha.A1, B.Ramachandra2* and M.S. Dharmaprakash3

1Department of E & E Engg, IEEE Member BMSCE, Bangalore

2Department of E&E Engg, PESCE, Mandya

3Department of Chemistry, BMSCE, Bangalore

*Corresponding Author:
Dr. Usha A Joshi
Department of E & E Engg
IEEE Member BMSCE
Bangalore, India
E-mail: [email protected]

Accepted Date: June 20, 2011; Published Date: June 29, 2011

Citation: Smt Usha A, Ramachandra B, Dharmaprakash MS (2011) Bio Signal Conditioning and Processing For Biological Real Time Applications Using Mixed Signal Processor. J Biosens Bioelectron 2:105. doi: 10.4172/2155-6210.1000105

Copyright: © 2011 Smt Usha A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

In medical and health care applications it was always desirable to perform pre-processing and conditioning on the sensor raw output before data acquisition. Based on this requirement, biosensor was proposed and designed using conducting polymers and nano - materials which was having In- situ Signal Conditioning Electronics that eliminates need for additional on board hardware circuitry. This advanced signal-conditioning circuit mainly consists of an ASIC with associated components that process the raw output from bio-sensor. The ASIC works with lowvoltage and low-current, with wide operating temperature range. The bio-sensor, which was designed very much sensitive to room temperature and pressure. Nano-bio sensor ASIC operates at +5V input and provides an output of 0 to 500 mV for absolute sensor output of 0 to 500 nano-amps or pico-amps. Further efforts were initiated to incorporate high resolution ADC with the signal conditioning electronics that gives a serial digital output directly using SPI interface on Mixed-Signal Processor (MSP). This research work aimed at suitable signal-conditioning and processing electronics using ASIC on MSP. The ASIC designed expected to have various on-chip programmable features for enabling interface compatibility with wide variety of (sample/analyte) sensors and to achieve process variations using mixed signal processor (MSP). The work is focussed on Optimised Design of Smart Sensor using Conducting Polymer and Gold/Silver/CNT Nanocomposites .Polyaniline (PANY) has been selected as the Conducting polymer on which surface CNT thin layer will be deposited using Sol-Gel technique.Here more emphasis is given to Bio-Signal (which was generated or simulated by the electronic circuit in the laboratory) Conditioning and processing using MSP for biological real time applications.Further the synthesis and characterization of the thin film or the designed sensor will be carried out at IISC Nano-FAB lab under INUP programme.

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