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PC1™ is a very sensitive, compact, computer-controlled Photon Counting Spectrofluorimeter designed for applications in physical chemistry, biochemistry, physiology, neurochemistry, molecular biology, environmental analysis, and immunoassay research. For a comprehensive list of PC1™ users
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In FD fluorescence lifetime is calculated from 2 measurable parameters: phase angle and modulation . FD is in general a faster, easier and less artifact-prone measurement. FD requires no deconvolution with an instrument response function (IRF) . FD allows direct, one step measurements of anisotropy decays (rotational correlation times)
FD is better in resolving short lifetime contributions as compared to TD
In FD cross-correlation detection results in increased signal-to-noise ratios and rejection of undesired harmonics. FD is the method of choice for lifetime-based sensing and real-time measurements because of high sampling rates in the millisecond time scale
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