J. Phys. Org. Chem.
 1999
DOI: 10.1002/(sici)1099-1395(199910)12:10<735::aid-poc185>3.0.co;2-1
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Effect of coaggregate formation on the fluorescence quenching of anthracene derivatives bym-N,N-diethyl-­aminophenyl carboxylates with different chain lengths as quenchers

Ji‐Liang Shi
1
,
Zhi-Hai Qiu
2
,
Xi‐Kui Jiang
3

Abstract: In the dioxane-H 2 O system, electron-transfer quenching processes have been observed between the excited 9-anthrylmethyl esters of butyric acid (A-4), caprylic acid (A-8), lauric acid (A-12) and palmitic acid (A-16) as fluorescence probes, and m-N-N-diethylaminophenyl esters of butyric acid (P-4), caprylic acid (P-8), lauric acid (P-12) and palmitic acid (P-16) as quenchers. The results indicate that the hydrophobic-lipophibic interaction (HLI)-driven coaggregation of an acceptor and a donor can very effectiv… Show more

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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