NanoPhotometer
®
NP80/N60/N50/C40
User Guide Version 3.1
95
Note
: It is not possible to delete a dye from the default factory list; custom dyes can be deleted
if they are not locked.
It is possible to add a new dye to the list by selecting the
button to add a new dye. A window
will open where it is possible to enter the: dye name, dye absorbance maximum (nm), dye-
dependent extinction coeffi
cient ε
dye
(M
-1
* cm
-1
), and dye-dependent correction factor. There is
a toggle switch available to lock the dye to prevent deleting a dye from the dye list accidentally.
W
ARNING
M
ESSAGES
B
LANK
C
ONTROL
Toggle switch to switch on/off the Blank Control™ of the NanoPhotometer
®
.
Note
: Blank Control™ is available for all NanoVolume methods (for NP80/N60/N50).
S
AMPLE
Q
UALITY
C
ONTROL
It is possible to change the upper and the lower limit of the ratio alert warning messages.
Default values for nucleic acid ratios are:
260/230 ratio 1.8 A - 3 A and 260/280 ratio 1.65 A - 2.5 A.
Default value for Protein UV ratio is:
260/280 ratio is 0.7 A.
