Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
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Electron microscopy<br />
• In 1924 L. de BROGLIE discovered the wave-character<br />
<strong>of</strong> electron rays thus giving the prerequisite for the<br />
construction <strong>of</strong> the electron microscope.<br />
• Invented by M. KNOLL and E. RUSKA (Technische<br />
Universität Berlin, 1932).<br />
• One <strong>of</strong> the first biological objects observed was the<br />
tobacco mosaic virus (TMV).<br />
• The first picture <strong>of</strong> a cell was published in 1945 by K. R.<br />
PORTER, A. CLAUDE and E. F. FULLAM (Rockefeller<br />
Institute, New York).<br />
• The Transmission Electron Microscope (TEM)<br />
• The Scanning electron microscope (SEM)
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