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Correction to “Potassium Ions Enhance Guanine Radical Generation upon Absorption of Low-Energy Photons by G-Quadruplexes and Modify Their Reactivity”
The Journal of Physical Chemistry Letters ( IF 6.710 ) Pub Date : 2020-03-24 , DOI: 10.1021/acs.jpclett.0c00815
Behnaz Behmand; Evangelos Balanikas; Lara Martinez-Fernandez; Roberto Improta; Akos Banyasz; Gérard Baldacchino; Dimitra Markovitsi

Figures 2 and 3 have been inverted, and the figure captions, which are in the correct position, do not correspond. The correct correspondence is as follows. Figure 2. Quantification of hydrated electrons ejected from (TG4T)4/K+ (1.5 × 10–5 mol L–1) upon 266 nm excitation. (a) Transient absorption decay at 700 nm obtained with incident intensity of 1.7 × 106 W cm–2. (b) Ionization curve; [hν] and [ehyd]0 denote, respectively, the concentration of absorbed photons per laser pulse and the zero-time concentration of hydrated ejected electrons. Red lines represent fits with model functions: A0 + A1 exp(−t1) (a) and [ehyd]0/[hν] = ϕ1 + α[hν] (b). Figure 3. Differential absorption spectra determined for (TG4T)4/K+ at 3 μs (a; red), 100 μs (b; green), 2 ms (b; yellow), and 6 ms (b; blue). In (a) ΔA was divided by the initial concentration of hydrated ejected electrons [ehyd]0; the gray line in panel (a) shows a linear combination of the spectra corresponding to the radical cation (40%)29 and the (G-H2) radical of monomeric guanosine (60%),30 considered with their ε values. ΔA in (b) was normalized to 1 at 585 nm. This article has not yet been cited by other publications. Figure 2. Quantification of hydrated electrons ejected from (TG4T)4/K+ (1.5 × 10–5 mol L–1) upon 266 nm excitation. (a) Transient absorption decay at 700 nm obtained with incident intensity of 1.7 × 106 W cm–2. (b) Ionization curve; [hν] and [ehyd]0 denote, respectively, the concentration of absorbed photons per laser pulse and the zero-time concentration of hydrated ejected electrons. Red lines represent fits with model functions: A0 + A1 exp(−t1) (a) and [ehyd]0/[hν] = ϕ1 + α[hν] (b). Figure 3. Differential absorption spectra determined for (TG4T)4/K+ at 3 μs (a; red), 100 μs (b; green), 2 ms (b; yellow), and 6 ms (b; blue). In (a) ΔA was divided by the initial concentration of hydrated ejected electrons [ehyd]0; the gray line in panel (a) shows a linear combination of the spectra corresponding to the radical cation (40%)29 and the (G-H2) radical of monomeric guanosine (60%),30 considered with their ε values. ΔA in (b) was normalized to 1 at 585 nm.
更新日期:2020-03-26

 

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