Mass spectrometry of nucleic acid noncovalent complexes

E Largy, A Konig, A Ghosh, D Ghosh… - Chemical …, 2021 - ACS Publications
Nucleic acids have been among the first targets for antitumor drugs and antibiotics. With the
unveiling of new biological roles in regulation of gene expression, specific DNA and RNA …

Enhanced basicity of push–pull nitrogen bases in the gas phase

ED Raczyńska, JF Gal, PC Maria - Chemical Reviews, 2016 - ACS Publications
Nitrogen bases containing one or more pushing amino-group (s) directly linked to a pulling
cyano, imino, or phosphoimino group, as well as those in which the pushing and pulling …

Infrared multiphoton dissociation spectroscopy with free‐electron lasers: On the road from small molecules to biomolecules

L Jašíková, J Roithová - Chemistry–A European Journal, 2018 - Wiley Online Library
Infrared multiphoton dissociation (IRMPD) spectroscopy is commonly used to determine the
structure of isolated, mass‐selected ions in the gas phase. This method has been widely …

[HTML][HTML] Infrared multiple photon dissociation (IRMPD) spectroscopy and its potential for the clinical laboratory

MJ Carlo, AL Patrick - Journal of Mass Spectrometry and Advances in the …, 2022 - Elsevier
Infrared multiple photon dissociation (IRMPD) spectroscopy is a powerful tool used to probe
the vibrational modes–and, by extension, the structure—of an ion within an ion trap mass …

Diverse mixtures of 2, 4-dihydroxy tautomers and O4 protonated conformers of uridine and 2′-deoxyuridine coexist in the gas phase

RR Wu, B Yang, CE Frieler, G Berden… - Physical Chemistry …, 2015 - pubs.rsc.org
The gas-phase conformations of protonated uridine,[Urd+ H]+, and its modified form,
protonated 2′-deoxyuridine,[dUrd+ H]+, generated by electrospray ionization are …

Gas-phase conformations and N-glycosidic bond stabilities of sodium cationized 2′-deoxyguanosine and guanosine: sodium cations preferentially bind to the …

Y Zhu, LA Hamlow, CC He, JK Lee, J Gao… - The Journal of …, 2017 - ACS Publications
2′-Deoxyguanosine (dGuo) and guanosine (Guo) are fundamental building blocks of DNA
and RNA nucleic acids. In order to understand the effects of sodium cationization on the gas …

Influence of sodium cationization versus protonation on the gas-phase conformations and glycosidic bond stabilities of 2′-deoxyadenosine and adenosine

Y Zhu, LA Hamlow, CC He, SF Strobehn… - The Journal of …, 2016 - ACS Publications
The influence of noncovalent interactions with a sodium cation on the gas-phase structures
and N-glycosidic bond stabilities of 2′-deoxyadenosine (dAdo) and adenosine …

IRMPD action spectroscopy, ER-CID experiments, and theoretical studies of sodium cationized thymidine and 5-methyluridine: kinetic trapping during the ESI …

Y Zhu, HA Roy, NA Cunningham… - Journal of The …, 2017 - ACS Publications
Thymidine (dThd) is a fundamental building block of DNA nucleic acids, whereas 5-
methyluridine (Thd) is a common modified nucleoside found in tRNA. In order to determine …

Effects of sodium cationization versus protonation on the conformations and N-glycosidic bond stabilities of sodium cationized Urd and dUrd: solution conformation of …

Y Zhu, HA Roy, NA Cunningham… - Physical Chemistry …, 2017 - pubs.rsc.org
Uridine (Urd) is one of the naturally occurring pyrimidine nucleosides of RNA. 2′-
Deoxyuridine (dUrd) is a naturally occurring modified form of Urd, but is not one of the …

O2 protonation controls threshold behavior for N-glycosidic bond cleavage of protonated cytosine nucleosides

RR Wu, MT Rodgers - The Journal of Physical Chemistry B, 2016 - ACS Publications
IRMPD action spectroscopy studies of protonated 2′-deoxycytidine and cytidine,[dCyd+
H]+ and [Cyd+ H]+, have established that both N3 and O2 protonated conformers coexist in …