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Chapter 4 – Using the Instrument
4.
Highlight Statistics and press Enter to toggle Off/On.
5.
Prepare the standards.
Ideally the protein used for preparation of the standards is structurally
similar to the unknown. Alternatively, bovine serum albumin or
immunoglobulins are both commonly used as protein standards.
6.
Clear the beams or insert suitable blank(s) and close the lid of the
sample compartment.
7.
Press Zero.
A message “Zeroing” appears.
8.
Press the Calibrate function key and follow the on-screen
instructions to perform the calibration.
9.
Save the calibrated method to the instrument Library or to disk,
using a new file name.
Note
A previously calibrated method can be loaded from the instrument Library
or from disk. Press the Load Method function key.
10.
Once the calibrated method is present, place the sample in the cell
holder and close the lid of the sample compartment.
11.
Press Run.
The results will be seen on the results page.
Note
Quartz cells MUST be used for all Direct UV 260, Direct UV 280 and
Warburg-Christian methods. Glass or plastic cells are not suitable because
they do not transmit fully at the wavelengths used.
56
Evolution 300 and Evolution 600 User’s Guide
Thermo Electron Corporation