Difference between revisions of "Team:IISc-Bangalore/Hardware/GCODe-Mini"
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Revision as of 23:41, 31 October 2017
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GCODe Mini
What is the GCODe mini?
The GCODe Mini is a neat little device that automates your growth curves. It comes as a sleek black acrylic box that houses a test tube that will hold your culture. Connect the Mini to your laptop via USB, tell it what to do with our associated software, place it in the shaker-incubator, let it warm up for a while, press Start, and sit back and relax while the GCODe mini does your growth curves for you!
What can it do?
The GCODe mini comes loaded with some very cool features, like:
- Taking Optical Density measurements at specified time intervals
- Plotting your growth curve for you, in real time.
- Sending a pushbullet notification directly to your mobile phone or any other device when your culture reaches a particular OD
All this, while costing less than $80 USD! And what's more, YOU can build one with our instructions right here
If you're interested to know how our tiny little machine holds up against a state of the art spectrophotometer, look at our results page.
How does it work?
The opaque acrylic casing houses an LED and a photodiode. The LED emits light close to a particular wavelength. The light then passes through the contents of the test tube and gets absorbed. This absorption is proportional to the concentration of the sample. [Beer-lambert's law] The photodiode detects the transmitted light intensity and calculates the optical density (OD) of the sample.
