There are no fullerenes in the K-T boundary layer

Taylor, Roger and Abdul-Sada, Ala'a K (2000) There are no fullerenes in the K-T boundary layer. Fullerene Science and Technology, 8 (1-2). pp. 47-54. ISSN 1064-122X

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Careful re-examination of the Cretacous-Tertiary boundary layer material that was reported earlier to contain C-60, confirms that there is a peak in the HPLC of the extract having a retention time similar to that of C-60 (the basis of the earlier claim). However, mass spectrometric analysis shows this to be merely a mixture of hydrocarbons. No traces of either C-60 or C-70 are present under conditions capable of detecting as little as 50 pg (0.001 part per billion in the original material), this sensitivity being four times greater than that given in the earlier report. These findings are entirely consistent with the known high oxidative instability of fullerenes.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Alaa Abdul-Sada
Date Deposited: 06 Feb 2012 18:22
Last Modified: 15 Jun 2012 11:42
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