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Microbial Biosensors

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...

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Author Spotlight: Revolutionizing Microfluidics Through Microchannel Fabrication on Nanopaper

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Microbial Nanocellulose Printed Circuit Boards for Medical Sensing.

Jonathan D Yuen¹, Lisa C Shriver-Lake¹, Scott A Walper¹

¹Center for Bio-Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC 20375, USA.

Sensors (Basel, Switzerland)

|April 10, 2020

Summary

Researchers developed medical sensors using ultra-thin nanocellulose sheets, a sustainable alternative to plastics. These biocompatible sensors show promise for future Internet of Things applications in health monitoring.

Keywords:

biosensing flexible electronics nanocellulose

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Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

Area of Science:

Biomaterials Science
Medical Device Engineering
Sustainable Materials

Background:

Microbially grown nanocellulose offers unique hydrophilic, biocompatible, and porous properties.
Traditional plastics pose environmental concerns and limitations in advanced applications.
Nanocellulose presents a sustainable and versatile alternative for novel material development.

Purpose of the Study:

To demonstrate the feasibility of using ultra-thin nanocellulose sheets for functional medical sensors.
To explore nanocellulose as a substrate for printed circuit boards.
To develop proof-of-concept medical sensing devices.

Main Methods:

Utilizing solution-based processes to fabricate nanocellulose.
Creating nanocellulose printed circuit boards (PCBs).
Mounting electronic components for sensor applications.

Main Results:

Successfully developed functional medical sensors from microbially grown nanocellulose.
Demonstrated the capability to create nanocellulose PCBs for electronic integration.
Validated applications in heart rate and temperature monitoring.

Conclusions:

Ultra-thin nanocellulose sheets are viable for creating functional medical sensors.
Nanocellulose PCBs enable versatile electronic integration for sensing applications.
This technology supports the development of Internet of Things (IoT) medical devices.