Microhydration of guanine base pairs

Ali Abo-Riziq; Bridgit Crews; Louis Grace; Mattanjah S. De Vries

doi:10.1021/ja043000y

Microhydration of guanine base pairs

Ali Abo-Riziq, Bridgit Crews, Louis Grace, Mattanjah S. De Vries

Division of Laboratory and Genomic Medicine

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

We report spectroscopy of clusters of guanine base pairs with one and two water molecules. We recorded the vibronic spectra of the mass-selected GG(H₂O) and GG(H₂O)₂ clusters using resonant two photon ionization (R2PI) and we used IR-UV double resonance spectroscopy to obtain ground state IR spectra of these clusters. We found that a single water molecule stabilizes one of two structures we had previously found for guanine dimers. Addition of a second water molecule causes no further structural change.

Original language	English
Pages (from-to)	2374-2375
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	127
Issue number	8
DOIs	https://doi.org/10.1021/ja043000y
State	Published - Mar 2 2005

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title = "Microhydration of guanine base pairs",

abstract = "We report spectroscopy of clusters of guanine base pairs with one and two water molecules. We recorded the vibronic spectra of the mass-selected GG(H2O) and GG(H2O)2 clusters using resonant two photon ionization (R2PI) and we used IR-UV double resonance spectroscopy to obtain ground state IR spectra of these clusters. We found that a single water molecule stabilizes one of two structures we had previously found for guanine dimers. Addition of a second water molecule causes no further structural change.",

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AU - Grace, Louis

AU - De Vries, Mattanjah S.

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N2 - We report spectroscopy of clusters of guanine base pairs with one and two water molecules. We recorded the vibronic spectra of the mass-selected GG(H2O) and GG(H2O)2 clusters using resonant two photon ionization (R2PI) and we used IR-UV double resonance spectroscopy to obtain ground state IR spectra of these clusters. We found that a single water molecule stabilizes one of two structures we had previously found for guanine dimers. Addition of a second water molecule causes no further structural change.

AB - We report spectroscopy of clusters of guanine base pairs with one and two water molecules. We recorded the vibronic spectra of the mass-selected GG(H2O) and GG(H2O)2 clusters using resonant two photon ionization (R2PI) and we used IR-UV double resonance spectroscopy to obtain ground state IR spectra of these clusters. We found that a single water molecule stabilizes one of two structures we had previously found for guanine dimers. Addition of a second water molecule causes no further structural change.

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JF - Journal of the American Chemical Society

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Microhydration of guanine base pairs

Abstract

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