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The new MULTI-COLOR-PAM-II is a compact instrument that houses two quite different techniques: the PAM technique and single turnover flash kinetics (STK). Downloads Product General Events Meetings Webinars Company About Us History Company Founder News Jobs kinetics up to overall Photosynthesis activity I P/OJIP transients I P transient 2 1 I P/OJIP transients) but also to Saturation Pulse quenching analysis, dark-light induction and recovery curves, as well as light response curves, and this all for 5 different excitation and measuring light wavelengths (440, 480, 540, 590, 625 nm) plus white light that can be applied in any combination. This has the advantage that someone working, e.g., with diatoms can excite these organisms in the green and in the case of cyanobacteria either choose 625 nm to excite the phycobilisomes or 440 nm to excite the chlorophylls of the core antenna. 2 1 I P or Slow Kinetics recording, with the resulting STK revealing details on the state of PS II at the moment of the flash. All this taken together makes the MULTI-COLOR-PAM-II a very all-round fluorometer allowing the user to probe and monitor PS II and the photosynthetic electron transport chain in many different ways.