998 resultados para Text files


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info:eu-repo/semantics/published

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Les Houches workshop, September 28-October 2, 1998.

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The bifunctional complex [Ru(TAP)(2)POQ-Nmet](2+), 1, formed with a [Ru(TAP)(2)Phen](2+) metallic unit linked to a quinoline moiety, and [Ru(TAP)(2)Phen](2+), 2, as reference, have been tested as photoprobes of DNA. Interestingly, 1 exhibits an emission enhancement of a factor of 16-17 upon binding to calf thymus DNA. Moreover, this emission is modulated by the nucleic base content of the polynucleotide. It varies by almost an order of magnitude from a polynucleotide containing 100% of G-C to a guanine-free nucleic acid where the excited-state lifetime reaches about 2 micros. The origins of these interesting properties are analyzed by comparing 1 with reference 2 in the presence of different polynucleotides.

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v. 1. La figure du père.

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info:eu-repo/semantics/published

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info:eu-repo/semantics/published

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info:eu-repo/semantics/published

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info:eu-repo/semantics/published

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info:eu-repo/semantics/published

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SCOPUS: ar.j