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Singlet state

singlet state

A transient, excited state of a molecule (e.g., of chlorophyll, upon absorbing light) that can release energy as heat or light (fluorescence) and thus return to the initial (ground) state; it may alternatively assume a slightly more stable, but still excited state (triplet state), with an electron still dislocated as before but with reversed spin.

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Re: Codons are triplets, but what's a Singlet, Doublet, etc?

... a two letter codon: THE POSSIBLE ROLE OF ASSIGNMENT CATALYSTS IN THE ORIGIN OF THE GENETIC CODE VAHE BEDIAN * Department of Biophysical Sciences, State University of New York at Buffalo, Buffalo, New York, 14214, U.S.A. (Received 29 January, 1982; Accepted 5 April, 1982) Abstract. A model is presented ...

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by GaryGaulin
Thu Oct 25, 2012 4:28 am
Forum: Bioinformatics
Topic: Codons are triplets, but what's a Singlet, Doublet, etc?
Replies: 4
Views: 14578

on singlet oxygen in animal cells

The reactivity of singlet oxygen is given by the extra energy which causes the spin of an electron to shift, changing the molecule from its natural triplet state to an energy-rich singlet state. The term "oxygen radical" is a much broader one, ...

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by MrMistery
Tue Mar 18, 2008 10:17 am
Forum: Molecular Biology
Topic: on singlet oxygen in animal cells
Replies: 4
Views: 3046

The Fiber Disease

... ^-)+CO, [2] H+NCO(X^2 P), and [3] HN(a^1 \Delta)+CO. The first excited singlet, S_1, exhibits dissociation barriers to [2] and [3], whose respective ... is also reproduced and explained in terms of transitions across surface states. Its quenching is clearly demonstrated as a function of hydrogen ...

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by Nadas Moksha
Fri Dec 08, 2006 8:48 am
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6269504

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