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[PDF] Top 20 Gas-Phase reactivity of Pb2+ ions with adenine, thymine and uracil

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Gas-Phase reactivity of Pb2+ ions with adenine, thymine and uracil

Gas-Phase reactivity of Pb2+ ions with adenine, thymine and uracil

... Pb(II) ions are determinant in the activity of some RNA-cleaving ribozymes ...presence of two metal ...particular reactivity with the DNA, whereas they induce the cleavage of the ... Voir le document complet

2

Gas-Phase reactivity of Pb2+ ions towards adenine, thymine and uracil

Gas-Phase reactivity of Pb2+ ions towards adenine, thymine and uracil

... associated with these ...understanding of these mechanisms, by considering in a first step the gas-phase reactivity between Pb 2+ ions and three nucleobases: ... Voir le document complet

2

Alkylation of uracil and thymine in the gas phase through interaction with alkylmercury compounds

Alkylation of uracil and thymine in the gas phase through interaction with alkylmercury compounds

... development of mass spectrometry along the second half of the 20 th century and the first decades of the 21 st century was nicely enhanced by the useful synergy between theory and ... Voir le document complet

39

Experimental and computational study of the gas-phase interactions between lead(II) ions and two pyrimidic nucleobases: Uracil and thymine

Experimental and computational study of the gas-phase interactions between lead(II) ions and two pyrimidic nucleobases: Uracil and thymine

... and the present paper reports the first results obtained with two nucleobases : thymine and uracil (scheme ...experiments and theoretical calculations. From the experimental ... Voir le document complet

41

Gas-phase interactions of organotin compounds with glycine

Gas-phase interactions of organotin compounds with glycine

... means of the NBO program 56 for the most stable structures investigated and for the [(CH 3 ) 2 Sn] 2+ ...value of the charge of Sn is of ...charge of the metallic center within ... Voir le document complet

39

Gas-phase interactions of organotins compounds with cysteine

Gas-phase interactions of organotins compounds with cysteine

... fitted with a nano- electrospray source. Several µL of cysteine/OTC mixtures (5 10 -4 M /10 -4 M in 50/50 methanol/milli-Q water were nanosprayed (20-50 nL min -1 ) using borosilicate emitters ...voltage ... Voir le document complet

36

Gas-phase interactions between Lead(II) ions and thiouracil nucleobases : a combined experimental and theoretical study

Gas-phase interactions between Lead(II) ions and thiouracil nucleobases : a combined experimental and theoretical study

... associated with the various processes are globally ...case of uracil.[5] Elimination of Pb and PbS Comparison with the data obtained for uracil shows that two particularly ... Voir le document complet

30

Gas-phase interactions of di- and tri-organotins with glycine and cysteine

Gas-phase interactions of di- and tri-organotins with glycine and cysteine

... Gas-phase interaction of di- and tri-organotins with glycine and cysteine OVERVIEW Experimental First detailed gas-phase study dealing with the interaction ... Voir le document complet

2

Gas-Phase reactivity of silver and copper coordinated monosaccharides cations studied by electrospray ionization and tandem mass spectrometry

Gas-Phase reactivity of silver and copper coordinated monosaccharides cations studied by electrospray ionization and tandem mass spectrometry

... association of Cu + and Cu 2+ to the three monosacharides display a similar reactivity that prevents stereoisomer ...adduct-ions of both anomeric α- and β- O-methyl-D- glucoses ... Voir le document complet

44

Thermochemistry, bonding, and reactivity of Ni<sup>+</sup> and Ni<sup>2+</sup> in the gas phase

Thermochemistry, bonding, and reactivity of Ni<sup>+</sup> and Ni<sup>2+</sup> in the gas phase

... one of the X-H bonds (X = Si, Ge) (see figure ...bonds and accordingly propene yields a conventional  -complex as the most stable structure (see Figure 1) FIGURE ...geometries of Ni + complexes ... Voir le document complet

123

Singlet excited state dynamics of uracil and thymine derivatives: A femtosecond fluorescence upconversion study in acetonitrile

Singlet excited state dynamics of uracil and thymine derivatives: A femtosecond fluorescence upconversion study in acetonitrile

... recorded with a Perkin-Elmer Lamda 900 spectrophotometer using 1 mm, 2 mm and 1 cm quartz cells ...recorded with a SPEX Fluorolog-2 ...except uracil. To measure the fluorescence spectra ... Voir le document complet

16

Reactivity of Halogenoethylene Ions using Photoionization and Collisional Activation.

Reactivity of Halogenoethylene Ions using Photoionization and Collisional Activation.

... The gas phase chemistry of isolated ethylene ions and of small clusters of these compounds displays many interesting features: isolated state decay, isomerization ... Voir le document complet

1

Hydroxyapatite gel for the improved removal of Pb2+ ions from aqueous solution

Hydroxyapatite gel for the improved removal of Pb2+ ions from aqueous solution

... 01-087-2477) and eventually some trace of lead oxide (PbO, JCPDS standard ...amounts of poorly-crystalline Ca-HA were de- tected although about two-thirds of the initial Ca-HA sorbent might ... Voir le document complet

12

Metal-doped apatitic calcium phosphates: preparation, characterization,
and reactivity in the removal of hydrogen sulfide from gas phase

Metal-doped apatitic calcium phosphates: preparation, characterization, and reactivity in the removal of hydrogen sulfide from gas phase

... results of the metal contents of the sorbents. For iron and zinc, their theoretical contents were 1 ...content of lead was ...deposition of all three ...deposition of iron using ... Voir le document complet

23

Formulations of two phase liquid gas compositional Darcy flows with phase transitions

Formulations of two phase liquid gas compositional Darcy flows with phase transitions

... advantage of this formulation is to use the natural set of unknowns for the hydrodynamical and thermodynamical laws and to extend to a large class of compositional Darcy flow models ... Voir le document complet

35

Tautomerism of uracil probed via IR spectroscopy of singly hydrated uracil.

Tautomerism of uracil probed via IR spectroscopy of singly hydrated uracil.

... interpretation of the experimental spectra, the calculated IR spectra for the three structures discussed above are given in Figure ...comparison with experimental IR photodissociation spectrum, each ... Voir le document complet

30

Henry&#039; law and gas phase disappearance

Henry' law and gas phase disappearance

... Andra and MoMAS in order to improve the simulation of the migration of hydrogen produced by the corrosion of nuclear waste packages in an underground ...system of two-phase ... Voir le document complet

12

Kinetic modeling of gas-phase decomposition of propane : correlation with pyrocarbon deposition

Kinetic modeling of gas-phase decomposition of propane : correlation with pyrocarbon deposition

... amount of group C species, and the relatively slow mechanism yielding SL pyrocarbon ...saturated with B  , and this explains the plateau in zone ...presence of hydrogen to explain the ... Voir le document complet

9

Gas-Phase Interactions between Lead(II) Ions and Cytosine: Tandem Mass Spectrometry and Infrared Multiple-Photon Dissociation Spectroscopy Study

Gas-Phase Interactions between Lead(II) Ions and Cytosine: Tandem Mass Spectrometry and Infrared Multiple-Photon Dissociation Spectroscopy Study

... Abstract Gas-phase interactions between Pb 2+ ions and cytosine (C) have been studied by combining tandem mass spectrometry, infrared multiple photon dissociation (IRMPD) spectroscopy ... Voir le document complet

38

Unimolecular reactivity of the [urea-Sr]&lt;sup&gt;2+&lt;/sup&gt; complex, a metastable dication in the gas phase. An experimental and theoretical perspective

Unimolecular reactivity of the [urea-Sr]<sup>2+</sup> complex, a metastable dication in the gas phase. An experimental and theoretical perspective

... urea and Sr 2+ in the gas phase have been investigated by combining electrospray ionization/mass spectrometry techniques and density functional and high-level ab initio molecular ... Voir le document complet

25

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