Terms starting with X
2 terms
X-Ray Crystallography in Biology
Biophysics & Medical Physics
Å or nm (Structural Resolution)
An experimental biophysical technique determining the 3D atomic structure of biological macromolecules from X-ray diffraction patterns of crystallized proteins or nucleic acids.
n λ = 2 d sin θ (Bragg's Law for Macromolecules)
X-ray Imaging
Biophysics & Medical Physics
keV (Photon Energy) & μ (Attenuation Coefficient in cm⁻¹)
A diagnostic medical imaging modality using differential photoelectric attenuation of X-rays passing through human tissue to form 2D projection shadowgraphs.
I(x) = I₀ e^(-μ x) (Beer-Lambert Attenuation)