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- • The NEPHELOstar Plus uses a red diode LASER that emits at 635 nm. This is a solid-state LASER and never needs to be replaced.
- • The PHERAstar FS has two different LASERS:
- - For AlphaScreen® measurements, a red diode LASER that emits at 688 nm is used. This is a solid-state LASER that never has to be replaced.
- - For TR-FRET or TRF measurements such as HTRF®, a nitrogen-pulsed LASER is used that emits at 337 nm. This LASER has a sealed chamber with nitrogen gas which depletes over time. It has a lifespan of 3-5 years.
AlphaScreen is a registered trademark of Perkin Elmer Inc.
HTRF is a registered trademark of Cisbio International.