NanoPhotometer
®
NP80/N60/N50/C40
User Guide Version 3.1
54
M
EASUREMENT
P
ROTOCOL
1. Select the Protein UV icon on the home screen.
2. To change between NanoVolume and Cuvette application (NP80/C40
only) use the Change to Cuvette/NanoVolume button below the
parameter area.
3. To change the protein type click on BSA and a list with available options opens on the right
side.
Options are: BSA, SA Mouse, SA Human, IgG Mouse, IgG Human, IgE Human, Lysozyme,
OD1, Molar Extinction Coefficient, and Extinction Coefficient.
•
For Mol. Ext. Coefficient enter Molecular Weight (default 66,400 g/mol) and Mol. Ext.
Coefficient (default 44,289 M
-1
*cm
-1
)
•
For Ext. Coefficient enter Ext. Coefficient (default 0.69 l/g*cm)
4.
For NanoVolume application:
Select the volume of sample to be applied.
Note:
1-2 µl (default): automatic path length change; 0.3 µl measures only the 0.07 mm
path length (possible for samples with concentrations e.g. BSA > 12.6 mg/ml)