. "SDN:S04::S041091" . "" . "multiple turnover pulse-amplitude modulation (PAM) fluorometry"@en . "accepted"@en . "An active fluorescence technique using the pulse-amplitude modulated method with a multiple turnover flash protocol that uses a long single saturating flash (e.g. 200-10,000 milliseconds) to achieve maximum fluorescence and allow repeated charge separation processes (multiple turnover) until all the electron acceptors of PSII are reduced."@en . . . .