The NOE alerts rely upon the interproton distances, the observation frequency, ω, and the rotational correlation time, τc, and hence the dimensions of the molecule. For a small non-labeled peptide, the first 2D 1H-NMR experiments… 

Prigogine, et al.22 recommend that the energy move by means of the system decreases the system entropy, main potentially to the extremely organized structure of DNA and protein. A second cause for skepticism about the…