Long-lived excited states in i-motif DNA studied by picosecond time-resolved IR spectroscopy

被引：27
|
作者：
Keane, Paraic M. [1 ]
Wojdyla, Michal [2 ]
Doorley, Gerard W. [2 ]
Kelly, John M. [2 ]
Parker, Anthony W. [3 ]
Clark, Ian P. [3 ]
Greetham, Gregory M. [3 ]
Towrie, Michael [3 ]
Magno, Luis M. [1 ]
Quinn, Susan J. [1 ]
机构：
[1] Univ Coll Dublin, Sch Chem & Chem Biol, Dublin 4, Ireland
[2] Trinity Coll Dublin, Sch Chem, Dublin 2, Ireland
[3] Rutherford Appleton Lab, Cent Laser Facil, Res Complex Harwell, Sci & Technol Facil Council, Didcot OX11 0QX, Oxon, England
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 23期
基金：
爱尔兰科学基金会;
关键词：
INTERNAL-CONVERSION; UV EXCITATION; G-QUADRUPLEX; CYTOSINE; DYNAMICS; STRAND; BASES; RNA;
D O I：
10.1039/c3cc46594b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The transient IR absorption spectrum for UV-excited i-motif DNA is reported for the first time and found to possess complex dynamics pointing to multiple decay processes, including possible charge transfer between packed hemi-protonated C bases.
引用
收藏
页码：2990 / 2992
页数：3
相关论文
共 50 条
  • [41] Ultrafast protein dynamics of hemoglobin as studied by picosecond time-resolved resonance Raman spectroscopy
    Mizutani, Yasuhisa
    Nagai, Masako
    CHEMICAL PHYSICS, 2012, 396 : 45 - 52
  • [42] Excited state relaxation in cationic pentamethine cyanines studied by time-resolved spectroscopy
    Piryatinski, Yu P.
    Verbitsky, A. B.
    Dmytruk, A.
    Malynovskyi, M. B.
    Lutsyk, P. M.
    Rozhin, A. G.
    Kachkovsky, O. D.
    Prostota, Ya O.
    Kurdyukov, V. V.
    DYES AND PIGMENTS, 2021, 193
  • [43] The predissociation of highly excited states in acetylene by time-resolved photoelectron spectroscopy
    Zamith, S
    Blanchet, V
    Girard, B
    Andersson, J
    Sorensen, SL
    Hjelte, I
    Björneholm, O
    Gauyacq, D
    Norin, J
    Mauritsson, J
    L'Huillier, A
    JOURNAL OF CHEMICAL PHYSICS, 2003, 119 (07): : 3763 - 3773
  • [44] Impulsively Excited Gravitational Quantum States: Echoes and Time-Resolved Spectroscopy
    Tutunnikov, I
    Rajitha, K., V
    Voronin, A. Yu
    Nesvizhevsky, V. V.
    Averbukh, I. Sh
    PHYSICAL REVIEW LETTERS, 2021, 126 (17)
  • [45] Nonradiative decay of the allyl radical excited B 2A1 state studied by picosecond time-resolved photoelectron spectroscopy
    Zurich Universitatstrasse, Zurich, Switzerland
    J Chem Phys, 19 (8197-8200):
  • [46] Photoinduced Cl transfer reaction between biphenyl and carbon tetrachloride studied by nanosecond time-resolved infrared spectroscopy and picosecond time-resolved fluorescence spectroscopy
    Iwata, K
    Takahashi, H
    JOURNAL OF MOLECULAR STRUCTURE, 2001, 598 (01) : 97 - 102
  • [47] PICOSECOND TIME-RESOLVED ABSORPTION AND EMISSION STUDIES OF THE SINGLET EXCITED-STATES OF ACENAPHTHYLENE
    SAMANTA, A
    DEVADOSS, C
    FESSENDEN, RW
    JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (18): : 7106 - 7110
  • [48] PICOSECOND TIME-RESOLVED SPECTROSCOPY (EMISSION AND ABSORPTION) REVEALS FAST MOLECULAR CONFORMATIONAL-CHANGES OF EXCITED-STATES
    RULLIERE, C
    DECLEMY, A
    GILABERT, E
    RADIATION PHYSICS AND CHEMISTRY, 1990, 36 (02): : 233 - 237
  • [49] Picosecond time-resolved photoelectron spectroscopy as a means of gaining insight into mechanisms of intramolecular vibrational energy redistribution in excited states
    Reid, Katharine L.
    INTERNATIONAL REVIEWS IN PHYSICAL CHEMISTRY, 2008, 27 (04) : 607 - 628
  • [50] VIBRATIONALLY EXCITED-STATES IN CAROTENOIDS - PICOSECOND TIME-RESOLVED ANTI-STOKES RESONANCE RAMAN-SPECTROSCOPY
    HAYASHI, H
    TASUMI, M
    ATKINSON, GH
    CHEMICAL PHYSICS LETTERS, 1991, 178 (04) : 388 - 392
12345