Test Tube Photometer
Photometer for measurement of microorganism culture density in a test tubeEducation
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This is the test tube photometer we describe in our recent paper:
To make it real open source hardware we put together a shopping list and building instructions which you can find on openplant.science:
Building instructions: http://openplant.science/2017/12/21/photometer-build-instructions.html
Materials and methods
Both, the main body and the sleeve were printed with a Ultimaker Original + using black PLA.
It is very important to use black material because it influences the light leakage to the sensor!
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