Mass Spectrom. Rev.
 1999
DOI: 10.1002/(sici)1098-2787(1999)18:5<309::aid-mas2>3.3.co;2-c
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Maldi time‐of‐flight mass spectrometry of synthetic polymers

Michel W. F. Nielen
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Cited by 137 publications

(159 citation statements)
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“…The characteristics of this component are MW n = 3315, MW w = 3354, PDI = 1.01. The narrow molecular weight distribution for the copolymer fraction (polydispersity index <1.05) validates the approximation that the integrated intensity of the mass peak, calculated by integrating the peak area, was proportional to the mole fraction of the corresponding molecular ions (30) . This is crucial for the quantitative interpretation of the mass spectrum.…”
Section: Resultssupporting
confidence: 74%
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.
“…The characteristics of this component are MW n = 3315, MW w = 3354, PDI = 1.01. The narrow molecular weight distribution for the copolymer fraction (polydispersity index <1.05) validates the approximation that the integrated intensity of the mass peak, calculated by integrating the peak area, was proportional to the mole fraction of the corresponding molecular ions (30) . This is crucial for the quantitative interpretation of the mass spectrum.…”
Section: Resultssupporting
confidence: 74%
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.
“…Several applications demonstrating the use of this approach, which involves collecting fractions or depositing a sample on a prepared target before MALDI MS analysis [9], soon appeared in the literature. The SEC-MALDI MS combination seems to be particularly useful for analysis of rigid-rod synthetic polymers such as polyalkylthiophenes [30].…”
Section: Sec-maldi Mssupporting
confidence: 61%
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.
“…With this technique many polymers were analyzed with different points of interest. [16] In the MALDI mass spectrum of the MEMO-modified nanoparticles, siloxane oligomers of more than 20 monomeric units were observed ( Figure 2). Each of the oligomers exhibits up to three mass signals.…”
Section: Grafting Of Silanes On Oxide Nanoparticlesmentioning
confidence: 59%
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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