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Revision as of 15:09, 14 October 2018
InterLab
Just Why?- Manu
Introduction
As a kickoff for our work in the lab, our team decided to take part in this year’s international InterLab Measurement Study, intending to improve measurement tools and to develop a solid and repeatable measurement protocol, making the comparison of measurements carried out in different labs more straightforward. Since being one of the most utilized markers all over the world, the fluorescent protein GFP (Green Fluorescent Protein) was chosen as a measurement marker.
In order to contribute to the 2018 InterLab Measurement study, the participating teams were advised to measure the OD600 and the fluorescence of 8 different constructs expressed in DH5a E.colis on a plate reader. Additionally, a protocol to calibrate OD600 to colony forming units (CFU) counts, which directly refer to the cell concentration in the culture, was provided.
Materials and Methods
2.1 Materials
Plate Reader: Tecan Infinite M200 Pro
96 well plates (white): Source unknown
DH5a Escherichia Coli
glass test tubes
2.2 Devices
Hier muss eine Tabelle rein
2.3 Workflow Cell Measurements
Hier muss der Workflow rein
Measurements
3.1 Calibration Measurements
All calibration measurements were performed as suggested by the protocol.
3.1.1 OD600 Reference Point– Ludox CL-X
Hier muss die Ludox Tabelle rein
3.1.2 Particle Standard Curve – Microspheres
Bild Particle Standard Curve linear
Bild Particle Standard Curve log
3.1.3 Fluorescence Standard Curve – Fluorescein
Bild Fluorescence Standard Curve linear
Bild Flourescence Standard Curve log
3.2 Cell Measurements
3.2.1 Transformation of 8 Test Devices
The transformation was carried out according to the iGEM Protocol. The clones were picked and treated as suggested by the cell measurement workflow (Figure 1).