Optical Filter Sets for Arc-Lamp Flow Cytometers

Analysis of DAPI Flurescence

Heat protection KG1
Excitation filter BG38 + UG1
Dichroic mirror TK420
Barrier filter GG435

Increased sensitivity may be achieved by using a high numerical aperture objective (e.g., Partec 40x1.25 quartz, glycerine).
If needed, excitation light intensity may be decreased by placing a neutral density filter (e.g., NG5) between the UG1 and TK420. This may be necessary when non-linearity of DNA content distributions is observed.

Analysis of Propidium Iodide Flurescence

Heat protection KG1
Excitation filter BG38 + EM520
Dichroic mirror TK560
Barrier filter RG4590

The use of a high numeric aperture objective (e.g., Partec 40x1.25 quartz, glycerine) is highly recommended.
If needed, excitation light intensity may be decreased by placing a neutral density filter (e.g., NG5) between the EM520 and TK560. This may be necessary when non-linearity of DNA content distributions is observed.