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EMCCDs Article Electron Multiplying Charge-Coupled Devices (EMCCDs)

By incorporating on-chip multiplication gain, the electron multiplying CCD achieves, in an all solid-state sensor, the single-photon detection sensitivity typical of intensified or electron-bombarded CCDs at much lower cost and without compromising the quantum efficiency and resolution characteristics of the conventional CCD structure.

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ORCA-R2 Digital Video Gallery

Fox Lung (FoLu) Cells with mEmerald-Lifeact and mApple alpha-Actinin

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A directed evolution approach was used to produce mApple and several other red fluorescent protein variants belonging to the "mFruit" series. Compared to mStrawberry, mApple is significantly more photostable, in addition to exhibiting excellent brightness and rapid maturation. The peak excitation and emission wavelengths of mApple are 568 and 592, respectively. The cytoskeletal network was targeted in the fox lung cells featured in the digital video sequences in this section with mApple fused to alpha-actinin. In addition, the cytoskeleton was labeled with a chimera of mEmerald and Lifeact, resulting in some visible overlap of the fluorescent markers.