Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/46437
Title: The role of borosilicate glass in Miller-Urey experiment
Authors: Criado-Reyes, Joaquín
Bizzarri, Bruno Mattia 
García-Ruiz, Juan Manuel
Saladino, Raffaele 
Di Mauro, Ernesto
Journal: SCIENTIFIC REPORTS 
Issue Date: 2021
Abstract: 
We have designed a set of experiments to test the role of borosilicate reactor on the yielding of the Miller-Urey type of experiment. Two experiments were performed in borosilicate flasks, two in a Teflon flask and the third couple in a Teflon flask with pieces of borosilicate submerged in the water. The experiments were performed in CH4, N2, and NH3 atmosphere either buffered at pH 8.7 with NH4Cl or unbuffered solutions at pH ca. 11, at room temperature. The Gas Chromatography-Mass Spectroscopy results show important differences in the yields, the number of products, and molecular weight. In particular, a dipeptide, multi-carbon dicarboxylic acids, PAHs, and a complete panel of biological nucleobases form more efficiently or exclusively in the borosilicate vessel. Our results offer a better explanation of the famous Miller's experiment showing the efficiency of borosilicate in a triphasic system including water and the reduced Miller-Urey atmosphere.
URI: http://hdl.handle.net/2067/46437
ISSN: 2045-2322
DOI: 10.1038/s41598-021-00235-4
Rights: CC0 1.0 Universal
Appears in Collections:A1. Articolo in rivista

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