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- ...fellow Argentinean, the physicist Gaviola, had already constructed a phase fluorometer in the 1920s and had measured the excited state lifetime of fluorescein wit ...in lifetime instruments are direct descendants of this design. Indeed, the phase methods developed in his laboratory are now being widely applied to fluores12 KB (1,859 words) - 14:43, 11 November 2018
- ..., an instrument designed specifically for lifetime measurements. Gaviola's fluorometer was the first instrument that could accurately measure nanosecond fluoresce .... However, because of the persistence of the excited state there will be a phase delay (<math>\Phi</math>) and a change in the modulation (<math>M</math>) o26 KB (3,948 words) - 23:39, 3 March 2017
- ...ted single photon counting (TCSPC)[1,2] and the frequency domain method of phase modulation fluorometry[1,2]; some other methods and equipment will be menti ...alues with somewhat limited precision).[5] Continuing early work employed phase modulation fluorometry. Lakowicz recounts some early developments [1]; Kle30 KB (4,308 words) - 17:00, 12 September 2017