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Digitale Medien

Improved fluorescence correlation apparatus for precise measurements of correlation functions (1988)

Schneider, J. ; Ricka, J. ; Binkert, Th.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 59 (1988), S. 588-590

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Details

ISSN: 1089-7623

Quelle: AIP Digital Archive

Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik

Notizen: A microscope-based fluorescence correlation apparatus for diffusivity measurements is described. The use of optical fibers offers not only the advantage of setup flexibility but also an improved quality of the illuminating beam. The achieved beam radius is as small as 0.4 μm, and the size of the observed volume amounts to only 10 μm3. The measured correlation functions obtained for noninteracting particles having diffusion coefficients in a large range form 10−12 to 5×10−10 m2/s are very well fitted by the theoretically expected hyperbolas.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1139837

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