Article Dans Une Revue Journal of Molecular Structure Année : 2025

2′-Deoxyribo-oligonucleotides duplexes and G-quadruplexes structures and thermal stability in 1‑butyl‑1-methylpiperidinium and 1-octyl-3-methylimidazolium bromide ionic liquid solutions

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Conformation and thermal stability of duplexes made of various ratio of purine and pyrimidine, but also of two G-quadruplexes, were evaluated in two different ionic liquids, aliphatic 1‑butyl‑1-methylpiperidinium bromide and 1-octyl-3-methylimidazolium bromide with an aromatic moiety, by means of UV-spectroscopy and circular dichroism. It appeared that no conformational change occurred within all structures studied whatever the medium was, only thermal stabilities were affected.

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hal-04734488 , version 1 (24-11-2025)

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Raquel Dias Jales, Corinne Payrastre, Béatrice Gerland, Frédéric Guillen, Jean-Marc Escudier. 2′-Deoxyribo-oligonucleotides duplexes and G-quadruplexes structures and thermal stability in 1‑butyl‑1-methylpiperidinium and 1-octyl-3-methylimidazolium bromide ionic liquid solutions. Journal of Molecular Structure, 2025, 1321 part 1, pp.139577. ⟨10.1016/j.molstruc.2024.139577⟩. ⟨hal-04734488⟩
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