| Polarstar - Technical Specifiations |
Measurement Principles |
Fluorescence
Time-Resolved Fluorescence
Absorbance |
Light Source |
High-energy xenon flash lamp |
Detector |
Side window, current type photomultiplier tube |
Filters |
Two filter wheels for 8 filters each
with your choice of 2 filter pairs |
Gain Control |
Automatic gain adjustment |
Fluorescence Polarization |
<5 mP standard deviation at 1
nm fluorescein |
Fluorescence Intensity |
Limit of detection: 0.9 fmol / well fluorescein
calculated according to the IUPAC standard: 3(SDblank)/slope |
Time-Resolved Fluorescence |
Limit of detection: 50 amol/well europium
calculated according to the IUPAC standard: 3(SDblank)/slope |
Absorbance |
Dynamic range: 0.000-3.000 OD
Reproducibility: 0.010 OD for 0-2 OD range |
Microplate Formats |
up to 384 and
Fluorescence intensity and time-resolved fluorescence up to 1536 |
Reading Time |
Depends on test definition
shortest reading time: 15 s for 96-well plate, 30 s for 384-well plate and 60 s for 1536-well plate |
Incubation |
Incubation range from ambient +5 °C to 45 °C (option: 60 °C)
Temperature stability 0.2 °C
Temperature gradient < 0.5 °C |
Reagent Injectors |
Up to 2
built-in syringe pumps with direct measurement access includes:
Variable injection speed
Individual volumes for each well
Four injection events per well
Reagent back flushing |
Shaking |
Orbital or linear shaking, user definable time and amplitude |
Stacker |
For automatic plate handling
and on some models, a Stacker is available with magazines for up to 25 plates (6-1536 well plate formats) and barcode reader with flexible barcode handling.
Please check with manufacturer on your model |
Catalog #P21006
Polarstar
Remanufactured with one year warranty. |
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