Medical Definition of Scanning Probe Microscopy

1. Initially called Atomic Force Microscopy, this technique is now more typically termed Scanning Force Microscopy or Scanning Probe Microscopy. This instrument is essentially an extremely high resolution profilometre. A sharp tip, typically fabricated from silicon nitride, is scanned across the surface of a sample at a constant force by three piezoelectric ceramics. The piezoelectric ceramics are computer controlled via a feedback loop which monitors the position of the tip by means of an optical lever. (A laser is focused on the top of the tip support and the beam reflected into a position sensitive detector). The changes in height of the tip are used to form an image as the tip is scanned across the sample. Acronym: SPM (26 Mar 1998)

Lexicographical Neighbors of Scanning Probe Microscopy

Scabiosa arvensis
Scabiosa atropurpurea
Scandia
Scandiknavery
Scandinavia
Scandinavian
Scandinavian Peninsula
Scandinavian country
Scandinavian language
Scandinavian lox
Scandinavian nation
Scandinavians
Scania
Scanian
Scanlon
Scanning Probe Microscopy (current term)
Scansores
Scanzoni's manoeuvre
Scanzoni's second os
Scaphiopus
Scaphiopus bombifrons
Scaphiopus hammondii
Scaphiopus multiplicatus
Scaphopoda
Scaphosepalum
Scarabaeidae
Scarabaeus sacer
Scaramouch
Scaramouche
Scarborough

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