chemistry nobel 2017 hints
a) upto 1950 scientists dont know about
DNRA RNA protin.
in 1950 X Ray crystallography helped
1980 xray crystallography with NMR Nuclear Magnetic Resonance
Not a single electron but a beam(of many electrons)
atomic size is reqd
EM required a vacuum but in vacuum bio molecules will die
wave length of electron and wave length of visible light
electron versus photon
best picture of protin ever produced by EM with resolution
7 angstrom. but Xray crystallagraphy gave resolution 3 angstrom
in 1990 first image at atomic level
SEM 3 dimensional
TEM two dimensional
a) upto 1950 scientists dont know about
DNRA RNA protin.
in 1950 X Ray crystallography helped
1980 xray crystallography with NMR Nuclear Magnetic Resonance
Not a single electron but a beam(of many electrons)
atomic size is reqd
EM required a vacuum but in vacuum bio molecules will die
wave length of electron and wave length of visible light
electron versus photon
best picture of protin ever produced by EM with resolution
7 angstrom. but Xray crystallagraphy gave resolution 3 angstrom
in 1990 first image at atomic level
SEM 3 dimensional
TEM two dimensional
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