Spinal Cord Samples Ready For Electron Microscopy
by Simon Fraser/mrc Unit, Newcastle General Hospital/science Photo Library
Title
Spinal Cord Samples Ready For Electron Microscopy
Artist
Simon Fraser/mrc Unit, Newcastle General Hospital/science Photo Library
Medium
Photograph - Photograph
Description
Spinal cord samples. Hands holding a section of human spinal cord sliced and mounted for scanning electron microscopy (SEM). The individual sections have been mounted on a thin copper plate and gold plated. This is to allow the non-conducting tissue a means of conducting the beam current of the microscope away. SEM involves sweeping a beam of electrons over the surface of the object to be studied, and collecting the electrons it gives off in response. It produces sharp 3-dimensional images and allows magnifications of up to 100,000 times.
Uploaded
February 17th, 2021
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