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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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Mitochondria and the Golgi Complex


Objective: UPlanSApo 100x oil/1.40 Exposure: 350 ms
Microscope: Olympus DSU/IX81 Gain: 3
Camera: Hamamatsu ImagEM Interval: 2 s

Due to its relatively large size, the Golgi apparatus was one of the first organelles ever observed. In 1897, an Italian physician named Camillo Golgi, who was investigating the nervous system by using a new staining technique he developed (and which is still sometimes used today; known as Golgi staining or Golgi impregnation), observed in a sample under his light microscope, a cellular structure that he termed the “internal reticular apparatus.” Soon after he publicly announced his discovery in 1898, the structure was named after him, becoming universally known as the Golgi apparatus. Yet, many scientists did not believe that what Golgi observed was a real organelle present in the cell and instead argued that the apparent body was a visual distortion caused by staining. The invention of the electron microscope in the twentieth century finally confirmed that the Golgi apparatus is a cellular organelle. The digital video presented in this section illustrates the interplay between mitochondria (labeled with DsRed fluorescent protein) and the Golgi complex (labeled with mEGFP) in Gray fox lung (FoLu line) fibroblast cells.

BACK TO FoLu CELLS WITH mEGFP-GOLGI AND DsRED-MITOCHONDRIA