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updating readme files, including link to server software repo
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jmicrobe committed Dec 20, 2018
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4 changes: 3 additions & 1 deletion README.md
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A common technique in microbiology is the use of optical density to measure the growth of liquid microbial culture over time. As the number of cells in a culture grows, the optical density, or the amount of light that is scattered when passed through the culture tube, will increase. These measurements can be taken by hand using a spectrophotometer or by using a high-throughput well plate reader device. Plate readers are effective for studying growth in the presence of oxygen, however for microbes requiring anaerobic conditions plate readers are sub-optimal.

The ODIn is designed to take continuous measurements of growing anerobic cultures using an infrared feedback loop. During an experiment samples are shaken on a platform that holds racks containing up to 64 anaerobic "Balch-type" culture tubes. Measurements of the infrared signal strength are reported in milliamperes and automatically sent to a database for easy access and observation. In addition to the ODIn's capability for high-throughput measurements over an extended time, the larger culture volume capacity of the ODIn compared to traditional well plate readers allows for more flexibility in chemical testing of the samples.
The ODIn is designed to take continuous measurements of growing anaerobic cultures using an infrared feedback loop. During an experiment samples are shaken on a platform that holds racks containing up to 64 anaerobic "Balch-type" culture tubes. Measurements of the infrared signal strength are reported in milliamperes and automatically sent to a database for easy access and observation. In addition to the ODIn's capability for high-throughput measurements over an extended time, the larger culture volume capacity of the ODIn compared to traditional well plate readers allows for more flexibility in chemical testing of the samples.

While data is logged to an on-board SD card, the ODIn also sends data to a remote server, so that data can be monitored remotely, and interface with the FileMaker Pro database software developed for the project. The code for this server exists in a separate repository, located [here](https://github.com/BeckResearchLab/ODIn_dataServer).

## Apparatus Environment Implications
> Ex: necessary temperature to operate. LEDs, phototransistor, microprocessing etc
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This directory contains files associated with the ODIn project and not necessarily active development.

The _server-side_ code (based on contents of "David Beck's C interception..." folder) currently lives at [https://github.com/BeckResearchLab/ODIn_dataServer](https://github.com/BeckResearchLab/ODIn_dataServer) and is actively maintained there. In December 2019 the code was updated to run on a new raspberry pi server.

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