Zobrazeno 1 - 10 of 68 pro vyhledávání: '"Lara Martínez Fernández"'
1
Akademický článek
Molecular Identification of the Transient Species Mediating the Deactivation Dynamics of Solvated Guanosine and Deazaguanosine
Autor: Javier Ortín-Fernández, Jesús González-Vázquez, Lara Martínez-Fernández, Inés Corral
Publikováno v: Molecules, Vol 27, Iss 3, p 989 (2022)
Small structural alterations of the purine/pyrimidine core have been related to important photophysical changes, such as the loss of photostability. Similarly to canonical nucleobases, solute-solvent interactions can lead to a change in the excited s
Externí odkaz: https://doaj.org/article/be42b4a2cd4f4fc4af4c77b92c3228f0
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2
Akademický článek
Ultrafast Excited-State Decay Mechanisms of 6-Thioguanine Followed by Sub-20 fs UV Transient Absorption Spectroscopy
Autor: Danielle C. Teles-Ferreira, Cristian Manzoni, Lara Martínez-Fernández, Giulio Cerullo, Ana Maria de Paula, Rocío Borrego-Varillas
Publikováno v: Molecules, Vol 27, Iss 4, p 1200 (2022)
Understanding the primary steps following UV photoexcitation in sulphur-substituted DNA bases (thiobases) is fundamental for developing new phototherapeutic drugs. However, the investigation of the excited-state dynamics in sub-100 fs time scales has
Externí odkaz: https://doaj.org/article/eb0338a83d3140c2876591da669216d4
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3
Akademický článek
The origin of efficient triplet state population in sulfur-substituted nucleobases
Autor: Sebastian Mai, Marvin Pollum, Lara Martínez-Fernández, Nicholas Dunn, Philipp Marquetand, Inés Corral, Carlos E. Crespo-Hernández, Leticia González
Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-8 (2016)
Sulfur-substituted nucleobases are promising photo- and chemotherapeutic drugs. Here, the authors unravel the electronic and structural aspects that lead to the ultrafast population of triplet states in these molecules, providing an explanation for t
Externí odkaz: https://doaj.org/article/c339189a8d4e464ca93ecdb74b57c3f1
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8
Solvent‐Dependent Stabilization of a Charge Transfer State is the Key to Ultrafast Triplet State Formation in an Epigenetic DNA Nucleoside
Autor: Lara Martínez-Fernández, Yuyuan Zhang, Jinquan Chen, Bern Kohler, Jianhua Xu, Xueli Wang, Kun Zhang, Roberto Improta
Publikováno v: Chemistry – A European Journal. 27:10932-10940
2'-Deoxy-5-formylcytidine (5fdCyd), a naturally occurring nucleoside found in mammalian DNA and mitochondrial RNA, exhibits important epigenetic functionality in biological processes. Because it efficiently generates triplet excited states, it is an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3552f0eb3c46099d149fdeedb4b6161
https://doi.org/10.1002/chem.202100787
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9
2-Oxopurine Riboside: A Dual Fluorescent Analog and Photosensitizer for RNA/DNA Research
Autor: Naishka E. Caldero-Rodríguez, Enrique M. Arpa, Diego J. Cárdenas, Lara Martínez-Fernández, Steffen Jockusch, Sourav Kanti Seth, Inés Corral, Carlos E. Crespo-Hernández
Publikováno v: The journal of physical chemistry. B. 126(24)
There is significant interest in developing suitable nucleoside analogs exhibiting high fluorescence and triplet yields to investigate the structure, dynamics, and binding properties of nucleic acids and promote selective photosensitized damage to DN
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57d7df2650294c412e7202c63d0760ce
https://pubmed.ncbi.nlm.nih.gov/35679327
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10
The Excited State Dynamics of a Mutagenic Cytidine Etheno Adduct Investigated by Combining Time-Resolved Spectroscopy and Quantum Mechanical Calculations
Autor: Paloma Lizondo-Aranda, Lara Martínez-Fernández, Miguel A. Miranda, Roberto Improta, Thomas Gustavsson, Virginie Lhiaubet-Vallet
Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, 2022, 13 (1), pp.251-257. ⟨10.1021/acs.jpclett.1c03534⟩
Joint femtosecond fluorescence upconversion experiments and theoretical calculations provide a hitherto unattained degree of characterization and understanding of the mutagenic etheno adduct 3,N4-etheno-2′-deoxycytidine (ϵdC) excited state relaxat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eabc003329b75d350c752db784938313
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