1/7
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
what kind of axes do nD NMR spectra have
directly detected and indirectly detected
1D NMR experiment of nucleus X
excite sample with appropriate radio frequency pulse
detect FID with a detector, show how amplitude of signal decays over time
do fourier transform of FID
2D NMR experiment of nucleu X and Y
detect resonance frequency from transfer of magnetism of X to Y, then Y to X, then do a fourier transform to give chemical shift
do not let frequency of Y run out as this is the starting magnetisation for X
repeat with different time lengths for Y
what are through-bond J couplings used for
transfer magnetism between covalently bonded nuclei
what are 2D HX heteronuclear experiments used for
to generate spectral fingerprints of proteins
what are 2D (1H, 15N) HSQC-type spectra used for
characterising
whether a protein is folded or not
binding interactions
molecular dynamics
domain-domain interactions in multidomain proteins (excludes proline, N-terminal amine and side chain amines)
a larger J coupling means
a more efficient transfer