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Bacterial Detection & Identification Using Electrochemical Sensors

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Published on: April 23, 2013

Plant tissue-based chemiluminescence biosensor for ethanol.

Yuming Huang¹, Fangqiong Wu

¹College of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Modern Analytical Sciences, Ministry of Education, Southwest University, Beibei, Chongqing 400715, P.R. China. yuminghuang2000@yahoo.com

Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry

|July 14, 2006

Summary

A novel plant tissue biosensor using mushroom extract detects ethanol. This chemiluminescence method offers sensitive and reliable ethanol measurement in biological fluids and beverages.

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Area of Science:

Biotechnology
Analytical Chemistry
Biosensor Technology

Background:

Ethanol detection is crucial in various fields, including clinical diagnostics and quality control of beverages.
Existing ethanol detection methods may have limitations in sensitivity, cost, or sample preparation.
Development of rapid, sensitive, and cost-effective biosensors is an ongoing research area.

Purpose of the Study:

To develop and characterize a novel chemiluminescence biosensor for ethanol detection.
To utilize mushroom (Agaricus bisporus) tissue as a biorecognition element for ethanol sensing.
To evaluate the performance of the proposed biosensor for ethanol determination in complex matrices.

Main Methods:

A plant tissue-based chemiluminescence biosensor was constructed using mushroom tissue.
Ethanol detection principle is based on the luminol-potassium hexacyanoferrate(III)-hydrogen peroxide reaction.
Hydrogen peroxide is generated via enzymatic catalytic oxidation of ethanol by alcohol oxidase in the mushroom tissue.

Main Results:

The biosensor achieved a linear measurement range for ethanol from 0.001 to 2 mmol/l.
A low detection limit of 0.2 micromol/l (3 sigma) was obtained for ethanol.
The method demonstrated good precision with a relative standard deviation (RSD) of 4.14% for 0.05 mmol/l ethanol.
Satisfactory results were achieved when applied to biological fluids and beverages.

Conclusions:

The proposed mushroom tissue-based chemiluminescence biosensor is a sensitive and reliable tool for ethanol quantification.
This biosensor offers a promising alternative for ethanol determination in various real-world samples.
The use of readily available mushroom tissue presents a cost-effective approach for biosensor development.