List of Articles chemical shielding tensor Open Access Article Abstract Page Full-Text 1 - Ab Initio Quantum Chemical Studies of 15N and 13C NMR Shielding Tensors in Serine and Complexes of Serine- nH2O: Investigation on Strength of the CαH…O Hydrogen bonding in the Amino Acid Residue. M. Monajjemi T. Karimkeshteh F. Mollaamin