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Updated: Jun 30, 2026

Optical Detection of E. coli Bacteria by Mesoporous Silicon Biosensors
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一个光学生物传感器,用于快速且无标签地检测细胞

Ghanashyam Acharya1, Chun-Li Chang, Cagri Savran

  • 1School of Mechanical Engineering, and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA.

Journal of the American Chemical Society
|March 23, 2006
PubMed
概括

一种新的光学方法能够快速,无标签地检测到最少45个细菌细胞. 该技术使用激光光线通过抗体功能化的井进行传输,以有效识别病原体.

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Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...