Spectrokinetic studies of ethyl and ethylperoxy radicals

Munk, Jette; Pagsberg, P.; Ratajczak, Emil; Sillesen, Alfred

doi:10.1021/j100403a038

Cited by 73 publications

(83 citation statements)

References 3 publications

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“…ClO + CH 3 O 2 . The recommended expressions for the overall rate constant is based on the results of Helleis et al [566]. It is consistent with the room temperature measurements of Simon et al [1190] and Kenner et al [699].…”

Section: -81supporting

confidence: 73%

“…There is general agreement that the only important reaction channels are the two channels resulting in the production of ClOO + CH 3 O (a) and CH 3 OCl + O 2 (b). However, there is severe disagreement on their relative importance; at room temperature reaction channel (a) is reported to be the major channel by Helleis et al [566], Simon et al [1190], Kukui et al and Helleis et al [567] but it is reported to be the minor channel by Biggs et al [140] and Daele and Poulet [340]. Because of this large discrepancy, no branching ratios are recommended.…”

Section: -81mentioning

confidence: 99%

“…Because of this large discrepancy, no branching ratios are recommended. The branching ratio studies that go down to low temperatures (Helleis et al [566], Kukui et al , and Helleis et al [567]) report that reaction channels (a) and (b) are both significant down to lower polar stratospheric temperatures. (Table: 97-4, Note: 97-4) Back to Table F118.…”

Section: -81mentioning

confidence: 99%

“…[566]. The absorption cross sections have been evaluated in earlier reviews by Lightfoot et al [449] and Wallington et al [832], who noted significant discrepancies in the both the shapes of the spectra and the absolute magnitude of the cross section values.…”

Section: -51mentioning

confidence: 99%

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Section: -81supporting

confidence: 73%

Section: -81mentioning

confidence: 99%

Section: -81mentioning

confidence: 99%

Section: -51mentioning

confidence: 99%

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“…C 2 H 5 , in particular, provides a good analogue to CH 2 OH. Its UV absorption spectrum in the region of excitation to the 3s Rydberg state (230-265 nm) is broad and structureless, while absorptions to the 3p states exhibit characteristic vibronic structure [125] (see also Section 6.2). 6.1.1.…”

Section: Hydroxyalkyl Radicals: Dissociation Via Conical Intersectionsmentioning

confidence: 99%

Interacting Rydberg and valence states in radicals and molecules: experimental and theoretical studies

Reisler

Krylov

2009

International Reviews in Physical Chemistry

107

125

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This review discusses low-lying (n ¼ 3) Rydberg electronic states of molecules and radicals, in particular those that result in mixed configurations and participate in non-adiabatic interactions. Rydberg-valence interactions are ubiquitous in molecules and radicals and have important effects on potential energy surface shapes, spectroscopy, and dissociation dynamics. The review emphasises selected properties that are affected by these interactions and illustrates them with several examples, mostly involving free radicals, in which collaboration between experimental and theoretical investigations has been crucial for understanding. Specifically, the cases of substituted methyl, vinyl, and hydroxyalkyl radicals are described, as well as Rydberg states of diazomethane and the ethyl radical. The issue of triple conical intersections is also briefly discussed.

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Screen for genes differentially expressed during regeneration of the zebrafish caudal fin

Padhi¹,

Joly²,

Tellis

et al. 2004

Developmental Dynamics

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The zebrafish caudal fin constitutes an important model for studying the molecular basis of tissue regeneration. The cascade of genes induced after amputation or injury, leading to restoration of the lost fin structures, include those responsible for wound healing, blastema formation, tissue outgrowth, and patterning. We carried out a systematic study to identify genes that are up-regulated during "initiation" (1 day) and "outgrowth and differentiation" (4 days) of fin regeneration by using two complementary methods, suppression subtraction hybridization (SSH) and differential display reverse transcriptase polymerase chain reaction (DDRT-PCR). We obtained 298 distinct genes/sequences from SSH libraries and 24 distinct genes/sequences by DDRT-PCR. We determined the expression of 54 of these genes using in situ hybridization. In parallel, gene expression analyses were done in zebrafish embryos and early larvae. The information gathered from the present study provides resources for further investigations into the molecular mechanisms of fin development and regeneration.

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Spectrokinetic studies of ethyl and ethylperoxy radicals

Cited by 73 publications

References 3 publications

Environmental effects of large igneous province magmatism: a Siberian perspective

Environmental effects of large igneous province magmatism: a Siberian perspective

Interacting Rydberg and valence states in radicals and molecules: experimental and theoretical studies

Screen for genes differentially expressed during regeneration of the zebrafish caudal fin

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