Studies on the reaction of the 5 prime -phosphorimidazolide of adenosine with Cu(II)-exchanged hectorite

Porter, T.L. and Whitehorse, R. and Eastman, M. and Bain, E.D. (1999) Studies on the reaction of the 5 prime -phosphorimidazolide of adenosine with Cu(II)-exchanged hectorite. Applied Physics Letters, 75 (17). pp. 2674-2676. ISSN 1077-3118

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Abstract

The role of clay minerals in the prebiotic synthesis of nucleotide oligomers has received considerable attention in recent years. Scanning force microscopy and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry are used to identify oligomers of adenylic acid formed on the clay mineral Cu(II)-exchanged hectorite in simulated prebiotic cycling experiments. Electron-spin resonance and x-ray diffraction data indicate that the monomer (5 prime -phosphorimidazolide of adenosine, or ImpA) penetrates into the intergallery regions of the mineral substrate, and complexes the gallery Cu(II) cations. It is postulated that polymerization of the monomer is initiated in the clay intergallery regions, producing oligomers of adenylic acid up to 8 units in length or more. 1999 American Institute of Physics.

Item Type:	Article
Publisher’s Statement:	© 1999 American Institute of Physics. Website: http://scitation.aip.org/content/aip
ID number or DOI:	10.1063/1.125115
Keywords:	aqueous-solution; assisted laser-desorption; catalysis; flight mass-spectrometry; montmorillonite; oligomerization reactions; origin; ribonucleotides; RNA; SURFACE
Subjects:	Q Science > QC Physics Q Science > QD Chemistry
NAU Depositing Author Academic Status:	Faculty/Staff
Department/Unit:	College of Engineering, Forestry, and Natural Science > Chemistry and Biochemistry
Date Deposited:	30 Sep 2015 16:24
URI:	http://openknowledge.nau.edu/id/eprint/355

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