Rapid detection of staphylococcus aureus in milk with piezoelectric sensing technology

DAI Gao-peng1; ZHU Wen-jie2; LIU Su-qin1

doi:10.13873/j.1000-97872007.02.026

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Rapid detection of staphylococcus aureus in milk with piezoelectric sensing technology

更新时间：2025-09-11

- Rapid detection of staphylococcus aureus in milk with piezoelectric sensing technology
- Issue 2, Pages: 76-78(2007)
- 作者机构：
  
  1. 襄樊学院化学与生物科学系
  2. 中南大学冶金科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872007.02.026
  CLC： TP274.4
- Published：2007
- 稿件说明：
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[1]戴高鹏,朱文杰,刘素芹.压电传感技术快速检测牛奶中的金葡球菌[J].传感器与微系统,2007(02):76-78.

DAI Gao-peng1, ZHU Wen-jie2, LIU Su-qin1. Rapid detection of staphylococcus aureus in milk with piezoelectric sensing technology[J]. 2007, (2): 76-78.
[1]戴高鹏,朱文杰,刘素芹.压电传感技术快速检测牛奶中的金葡球菌[J].传感器与微系统,2007(02):76-78. DOI： 10.13873/j.1000-97872007.02.026.

DAI Gao-peng1, ZHU Wen-jie2, LIU Su-qin1. Rapid detection of staphylococcus aureus in milk with piezoelectric sensing technology[J]. 2007, (2): 76-78. DOI： 10.13873/j.1000-97872007.02.026.

摘要

以串联式压电传感器为基础构建了一台自动化微生物检测仪

并开发了一种适合该仪器使用的专用培养基。对加入金黄色葡萄球菌的模拟牛奶样品进行了检测

发现检测时间和样品中细菌浓度呈线性关系

求出其关系式并用于细菌数量的测量。测量范围为10

06cells.m l-1

检测时间为3

5 h。结果表明:该方法准确度与国标的平板计数法相当（r≥0.99）

但更为灵敏、快速、简便。

Abstract

An automate instrument based on the series piezoelectric sensor is established.A special media is also developed to satisfy requirement of the sensor.The model milk sample inoculated with staphylococcus aureus（S.aureus） is detected with the instrument.The relationship between the frequency detection time（FDT） and the initial number of bacteria is linear.The corresponding equations are derived and applied to determine the number of bacterial cells in samples.The detection ranges are 10

06 cells·ml-1 and detection times are 3

5h.Accuracy of this method is corresponded with standard plate counting method（r≥0.99）

it more sensitive

rapider

and more convenient.

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