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The Light Microscope definitions

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  • Light Microscope
    Instrument using light rays and magnification to visualize transparent cells and cellular compartments up to 10–20 microns in diameter.
  • Magnification
    Process that increases the apparent size of a specimen, allowing for enhanced observation of cellular structures.
  • Limit of Resolution
    Minimum distance between two objects required to distinguish them as separate, typically greater than 0.2 microns.
  • Resolving Power
    Ability to reveal fine structural details, improving as the minimum distinguishable distance decreases.
  • Bright Field Microscopy
    Technique where light passes directly through a fixed specimen, suitable for observing non-living cells.
  • Phase Contrast Microscopy
    Method enhancing contrast in transparent specimens, valuable for visualizing live cells and their structures.
  • Differential Interference Microscopy
    Technique that increases contrast and detail in live cell imaging, allowing better visualization of cellular features.
  • Fluorescent Microscopy
    Approach using fluorescence to detect specific proteins or organelles, enabling targeted visualization within cells.
  • FRAB
    Technique in fluorescence microscopy used to study the movement of proteins within cells.
  • FRET
    Fluorescence-based method for visualizing interactions between two proteins inside a cell.
  • Specimen
    Sample placed under a microscope for observation, often transparent cells or cellular compartments.
  • Cellular Compartment
    Distinct region within a cell, often visualized using advanced microscopy techniques.
  • Fluorescence
    Emission of light by certain substances, used to highlight specific proteins or organelles in microscopy.