| 摘要 |
<p>Reaction detection equipment comprising: a plurality of reaction sites (3); a source of light (9) including a corresponding plurality of first light paths (6) to the plurality of reaction sites; a corresponding plurality of second light paths (7) from the plurality of reaction sites; an optical commutator (11) having: a corresponding plurality of light receiving stations (16) circularly arranged about an axis (A) at the ends of the second light paths remote from the reaction sites, a rotor (12) mounted for rotation past the light receiving stations with its axis of rotation coincident with the said axis, a light path (18) on the rotor from a point (19) thereof which passes the light receiving stations to a central point; means (23) for detecting presence of light at the central point.</p> |
