Rhodamines in the gas phase

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Author(s) Chingin, Konstantin, Balabin, Roman M., Barylyuk, Konstantin, Chen, Huanwen, Frankevich, Vladimir, Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title Rhodamines in the gas phase
Subtitle Cations, neutrals, anions, and adducts with metal cations
Author(s) Chingin, Konstantin
Balabin, Roman M.
Barylyuk, Konstantin
Chen, Huanwen
Frankevich, Vladimir
Zenobi, Renato
Journal or Series Title Physical chemistry, chemical physics
Volume Number 12
Issue Number 37
Start Page 11710
End Page 11714
ISSN 1463-9076
1463-9084
Publisher The Royal Society of Chemistry
Publication Place Letchworth, Herts.
Publication Date 2010
Abstract Optical spectroscopy of biological molecules in the gas phase has recently gained considerable attention, being able to provide complementary structural information in the absence of native matrix. Biomolecules can change their properties when brought into the gas phase, and so can chromophores associated with them. Understanding the photophysics of chromophore labels is central for the correct interpretation of experimental data. In this report, the structure and the optical properties of Rhodamine 19 (R19) in the gas phase were examined by a combination of Fourier-transform ion cyclotron resonance mass spectrometry and visible-light laser spectroscopy. While R19 in solution is found either in neutral (R19(n)) or protonated (R19+H+) forms, other structures can be generated in the gas phase, such as anions (R19-H-) and adducts with metal cations (R19+M+). Experimental evidence for the lactone structure of neutral gas-phase R19 is presented for the first time. The different properties of gas-phase compared to solution-phase R19 are discussed in view of structural analysis of labeled gas-phase biological molecules by optical spectroscopy.
DOI 10.1039/c000807a
Additional Notes Received 12 January 2010, Accepted 5 July 2010
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
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NEBIS System Number 002005974
Source Database ID WOS-000281726800060
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@article{Chngn2010,
  author = "Chingin, Konstantin and Balabin, Roman M. and Barylyuk, Konstantin and Chen, Huanwen and Frankevich, Vladimir and Zenobi, Renato",
  title = "{R}hodamines in the gas phase: {C}ations, neutrals, anions, and adducts with metal cations",
  journal = "Physical chemistry, chemical physics",
  year = 2010,
  volume = "12",
  number = "37",
  pages = "11710--11714",
}


E-Citations record created: Mon, 11 Oct 2010, 06:33:50 CET