Now showing items 1-10 of 1351
PÓLYA'S COMBINATORIAL METHOD AND THE ISOMER ENUMERATION PROBLEM
(Sociedad Chilena de Química, 2002)
Trans fatty acid isomers in human health and in the food industry
(Sociedad de Biología de Chile, 1999)
Occurrence of cis isomers of provitamins A in Brazilian vegetables
(Amer Chemical SocWashingtonEUA, 1998)
Performance of modified Lennard-Jones potential to seed ab initio calculations of small cadmium clusters
Weakly bonded Cadmium clusters have, even for small number of atoms, many isomers that are stable structures. Before any attempt to use ab initio calculations on these clusters, a limited set of good possible stable isomers ...
Effect of pinene isomers on germination and growth of maize
(Pergamon-elsevier Science Ltd, 2014-03)
Terpenes, secondary metabolites that are present in the essential oils of aromatic plants, are responsible for the biochemical interaction between plants, known as allelopathy. Monoterpenes are a major component of essential ...
LC-MSn analysis of the cis isomers of chlorogenic acids
(ELSEVIER SCI LTD, 2008)
The behaviour of cis isomers of selected mono- and di-acyl chlorogenic acids produced by UV-irradiation has been investigated by LC-MSn. cis Isomers fragment identically to the more common trans isomers. cis-5-Acyl chlorogenic ...
A mass spectrometry-based method for differentiation of positional isomers of monosubstituted pyrazine N-oxides using metal ion complexes
A series of 11 pairs of substituted pyrazine N-oxides, differing in the substituent position, were examined using electrospray ionization mass spectrometry (ESI-MS) in order to use spectra to assess the differentiation of ...
Electron collisons with cyclobutane
(Sociedade Brasileira de Física, 2006)
A new isomer of C 20 and a way to a new C 240
Here we show that the dynamic simulation of a molecular collision can give insight into new molecular species. In this way, a new stable isomer of C 20 (IV) has been found. It is planar with pentagonal form. This isomer ...