Thermal desorption effects on fragment ion production from multi-photon ionized uridine and selected analogues

Autor: P. Papp, Rahul Pandey, Violaine Vizcaino, Samuel Eden, D. Mészáros, J. C. Poully, Janka Bockova, M. Ryszka, Nigel J. Mason, Andre Rebelo, Kate Nixon, Paulo Limão-Vieira, Dave Townsend

Publikováno v: RSC Advances
RSC Advances, 2021, 11 (34), pp.20612-20621. ⟨10.1039/d1ra01873f⟩
RSC Advances, Royal Society of Chemistry, 2021, 11 (34), pp.20612-20621. ⟨10.1039/d1ra01873f⟩

FuEP/E039618/1 EP/J002577/1 EP/L002191/1 MERG-CT-2007-207292 no. 692335 VEGA 1/0489/21 APVV-19-0386 PD/00193/2012 UID/FIS/00068/2020 UID/Multi/04378/2020 Experiments on neutral gas-phase nucleosides are often complicated by thermal lability. Previous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cedb694cf3baa9374b4df7aef8f9530f
https://hdl.handle.net/10362/136340

Mass Spectral Signatures of Complex Post-Translational Modifications in Proteins: A Proof-of-Principle Based on X-ray Irradiated Vancomycin

Autor: Jean-Christophe Poully, Marwa Abdelmouleh, Samuel Eden, Thomas Schlathölter, Andre Rebelo, Johnny El Feghaly, Violaine Vizcaino, Mathieu Lalande

Publikováno v: Journal of the American Society for Mass Spectrometry, 31(8), 1738-1743. SPRINGER
Journal of The American Society for Mass Spectrometry
Journal of The American Society for Mass Spectrometry, Springer Verlag (Germany), 2020, 31 (8), pp.1738-1743. ⟨10.1021/jasms.0c00169⟩
Journal of The American Society for Mass Spectrometry, 2020, 31 (8), pp.1738-1743. ⟨10.1021/jasms.0c00169⟩

International audience; Characterizing post-translational modifications (PTM) of proteins is of key relevance for the understanding of many biological processes, as these covalent modifications strongly influence or even determine protein function. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae36ab5dfa652254f42b4071314763da
https://research.rug.nl/en/publications/2edbc6ea-dee8-4a58-a988-68add734eee7

Ultraviolet relaxation dynamics in uracil: Time-resolved photoion yield studies using a laser-based thermal desorption source

Autor: Samuel Eden, Simone De Camillis, Lisa Saalbach, Jason B. Greenwood, M. Ryszka, Dave Townsend, Andre Rebelo, Stuart W. Crane, O. Ghafur, Jana Bockova

Publikováno v: Ghafur, O, Crane, S W, Ryszka, M, Bockova, J, Rebelo, A, Saalbach, L, De Camillis, S, Greenwood, J B, Eden, S & Townsend, D 2018, ' Ultraviolet relaxation dynamics in uracil : Time-resolved photoion yield studies using a laser-based thermal desorption source ', Journal of Chemical Physics, vol. 149, no. 3, 034301, pp. 1-14 . https://doi.org/10.1063/1.5034419

Wavelength-dependent measurements of the RNA base uracil, undertaken with nanosecond ultraviolet laser pulses, have previously identified a fragment at m/z = 84 (corresponding to the C3H4N2O+ ion) at excitation wavelengths ≤232 nm. This has been in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56e21ebe5dd29acf86139913f697991d
https://pubmed.ncbi.nlm.nih.gov/30037254

Communication: Site-selective bond excision of adenine upon electron transfer

Autor: Samuel Eden, Paulo Limão-Vieira, F. Ferreira da Silva, T. Cunha, M. Mendes, Gustavo García

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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5 pags., 2 figs.
This work demonstrates that selective excision of hydrogen atoms at a particular site of the DNA base adenine can be achieved in collisions with electronegative atoms by controlling the impact energy. The result is based on anal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7153efb5b2f2d2914f11b7d07df1c0f
https://pubmed.ncbi.nlm.nih.gov/29331144

Single-photon absorption of isolated collagen mimetic peptides and triple-helix models in the VUV-X energy range

Autor: Samuel Eden, Rahul Pandey, Jean-Christophe Poully, Thomas Schlathölter, Ronnie Hoekstra, Mathieu Lalande, Violaine Vizcaino, Lucas Schwob, Jimmy Rangama, Dmitrii Egorov

Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2017, 19 (28), pp.18321-18329. ⟨10.1039/c7cp02527k⟩
Physical Chemistry Chemical Physics, 2017, 19 (28), pp.18321-18329. ⟨10.1039/c7cp02527k⟩
PPCP : Physical Chemistry Chemical Physics, 19(28), 18321-18329. ROYAL SOC CHEMISTRY

Cartilage and tendons owe their special mechanical properties to the fibrous collagen structure. These strong fibrils are aggregates of a sub-unit consisting of three collagen proteins wound around each other in a triple helix. Even though collagen i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f25c625a2c73654659662e4449a9cfb9