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Related Experiment Videos

Detection of cell-affecting agents with a silicon biosensor.

J W Parce1, J C Owicki, K M Kercso

  • 1Molecular Devices Corporation, Menlo Park, CA 94025.

Science (New York, N.Y.)
|October 13, 1989
PubMed
Summary

This study introduces a biosensor that detects changes in cellular metabolism by measuring acidic metabolite production in real time. The device uses a flow chamber to house living cells and a potentiometric sensor to monitor pH changes. The researchers show that this setup may detect various chemical and physical agents affecting cells. The biosensor could be useful in both basic science and technological applications. The study highlights the potential of this device to monitor cellular responses and detect subtle changes in acidic metabolite rates.

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Area of Science:

  • Cellular metabolism monitoring
  • Biosensor development
  • Biomedical engineering

Background:

Cellular metabolic activity is influenced by environmental factors, yet detecting these influences requires precise tools. Prior research has shown that changes in acidic metabolite production can reflect cellular responses. However, measuring these changes in real time remains challenging. No prior work had resolved how to continuously track acidic metabolite production in living cells. This gap motivated the development of a biosensor capable of detecting subtle metabolic shifts. A flow chamber setup allows cells to be confined while maintaining physiological conditions. The device integrates a potentiometric sensor to monitor acidic metabolite output. This approach offers a novel way to study cellular responses to various stimuli. The potential of this method to detect diverse chemical and physical agents remains unexplored.

Purpose Of The Study:

The aim of this research is to develop a biosensor for detecting agents that influence cellular metabolism. The study seeks to construct a device that can measure acidic metabolite production in real time. This device could help identify chemical and physical stimuli affecting cells. The researchers propose that a sensitive biosensor could detect a wide range of stimuli. The study focuses on whether a potentiometric sensor can track acidic metabolite rates. The motivation is to provide a tool for basic science and technological applications. The device must maintain cell viability while enabling continuous monitoring. The goal is to explore the biosensor's potential in detecting various agents.

Keywords:
cellular metabolismbiosensor technologyacidic metabolite detectionreal-time monitoring

Frequently Asked Questions

The biosensor measures acidic metabolite production rates using a potentiometric sensor in a flow chamber.

A potentiometric sensor is used to measure changes in pH caused by acidic metabolite accumulation.

The flow chamber maintains cell viability while allowing continuous exposure to stimuli and pH measurement.

The sensor detects pH changes resulting from acidic metabolite production in real time.

Related Experiment Videos

Main Methods:

The biosensor uses a flow chamber to house living cells under controlled conditions. A potentiometric sensor measures acidic metabolite production rates continuously. The chamber design ensures cells remain viable while being exposed to stimuli. The sensor detects changes in pH caused by acidic metabolite accumulation. The setup allows for the introduction of various chemical and physical agents. The device records metabolic responses in real time. The flow chamber is designed to maintain physiological conditions for the cells. The biosensor integrates hardware and software for data collection and analysis.

Main Results:

The biosensor successfully detected changes in acidic metabolite production rates. The device demonstrated sensitivity to a variety of chemical and physical stimuli. The potentiometric sensor provided accurate and continuous measurements. The flow chamber maintained cell viability during experiments. The device showed potential for detecting diverse agents affecting cells. The exploratory studies revealed applications in basic science and technology. The biosensor could detect subtle changes in cellular metabolism. The results suggest the device may be useful in identifying unknown stimuli.

Conclusions:

The biosensor may detect agents that influence cellular metabolism through acidic metabolite production. The device may have applications in both basic science and technological fields. The researchers propose that the biosensor could detect a wide range of stimuli. The results suggest the device may be useful in monitoring cellular responses. The biosensor may provide a novel approach to studying cellular metabolism. The device may enable the detection of subtle changes in acidic metabolite rates. The study may contribute to the development of new biosensing technologies. The researchers suggest further exploration of the biosensor's capabilities.

The biosensor provides measurements of acidic metabolite production rates in living cells.

The researchers propose the biosensor may detect a wide range of chemical and physical stimuli affecting cells.