Auto-synchronous fluorescence detection method and apparatus

Russell Connally (Inventor)

    Research output: Patent

    Abstract

    An apparatus for time-gated fluorescence or luminescence detection includes gating means (206) arranged to alternately permit light from an excitation source (242) to be directed to a sample (235) along a first communication path (231, 232), and then permit light emitted from the sample to be directed to a detector (246) along a second communication path (237, 238) while blocking the first communication path (231, 232): The gating means (206) may comprise a single chopper wheel or apertured disc, or a rotating or oscillating arm, and may further comprise one or more reflective facets (207). The gating means (206) may be driven via a magnetic rotor, with a ferrite bead placed to offset rotor magnets with respect to drive coils, when at rest, so as to assist with self starting.
    Original languageEnglish
    Patent numberEP2286205
    IPCH02K 1/18,G01N 21/64,G02B 21/16,G02B 26/04,G02B 26/08
    Priority date13/05/08
    Publication statusSubmitted - 23 Feb 2011

    Bibliographical note

    Designated States
    AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, TR

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