FRET
フェルスター共鳴エネルギー移動 (FRET) は、2 つの感光性分子 (発色団) 間の光子エネルギーの移動です。両方の発色団が蛍光である場合、蛍光共鳴エネルギー移動と呼ばれます。「ドナー」分子は、光子を吸収した後、励起状態に移動します。次に、「ドナー」はこのエネルギーを非放射双極子間カップリングを介して「アクセプター」発色団に転送します。このエネルギー移動は、ドナーとアクセプターが互いに近接している場合にのみ発生するため、この技術は発色団分離の小さな変化に非常に敏感です。FRET を効果的に画像化するには、ドナーとアクセプターの両方の発光を明確に定量化して、FRET シグナルにドナー発色団またはアクセプター発色団からの直接蛍光が含まれないようにする必要があります。
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