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The influence of phosphorus substitution of nitrogen in heterocyclic compounds on the vibrational spectroscopy as well as frontier molecular orbitals are analyzed. Nicotine with two nitrogen atoms in its structure is taken as the sample system to be studied computationally. By replacing the nitrogen atom in one or both rings of this molecule with phosphorus, three nicotine derivatives are created...
Neuroblastoma (NBL) is a pediatric tumor of infancy derived from precursor cells of the sympathetic nervous system. Clinicians and researchers in developmental biology and genetics recently met to facilitate meaningful crosstalk and to discuss considerable progress made in the clinical treatment and basic biology of NBL. For instance, discoveries in familial NBL have identified genetic aberrations...
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