J. Polym. Sci. A Polym. Chem.
 1996
DOI: 10.1002/(sici)1099-0518(19960430)34:6<925::aid-pola1>3.0.co;2-h
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Modification of poly(vinyl alcohol) with acid chlorides and crosslinking with difunctional hardeners

V. Giménez
1
,
Ángel R. Mantecón
2
,
Virgínia Cádiz
3
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Cited by 117 publications

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“…The peak intensity of the PVAc backbone increased with decreasing lactide/P(VAc- co -VA) feed ratio. The resonance peak of methine proton in PVAc backbone that connected to the ester bonds of PLLA graft chains appeared at 5.13 ppm, in agreement with the spectra of esterified PVA. , This indicated that PLLA was successfully grafted onto the PVAc backbone. − …”
Section: Resultssupporting
confidence: 67%
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 peak intensity of the PVAc backbone increased with decreasing lactide/P(VAc- co -VA) feed ratio. The resonance peak of methine proton in PVAc backbone that connected to the ester bonds of PLLA graft chains appeared at 5.13 ppm, in agreement with the spectra of esterified PVA. , This indicated that PLLA was successfully grafted onto the PVAc backbone. − …”
Section: Resultssupporting
confidence: 67%
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.
“…However, PVA-g-LA gives several extra resonances: the chemical shifts appearing at 1.2-1.4 ppm, corresponding to methyl protons of the grafted lactate, and the resonance at 5.21 ppm, corresponding to the internal methine proton of lactyls in PLA side-chains (Hf) and 4.08 ppm corresponding to terminal methine proton of lactyls (Hi), respectively. The resonance of methine group of PVA backbone connected to ester bonds (Hd) of the graft chain appears at 5.13 ppm, which is in great agreement with the esterified PVA, 18,21 and confirms the grafting of LA onto PVA. 15,22,23 The assignments of the chemical shifts of PVA-g-LA are summarized in Table 1.…”
Section: Characterization Of the Molecular Structure Of Pva-g-lasupporting
confidence: 67%
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 13 C‐NMR shows these resonances at 41.9 and 70.5 ppm, respectively. Previous works on esters of PVA have shown such shifts in NMR 9, 15. In addition, the peaks at 1.45 and 1.60 ppm (Fig.…”
Section: Resultsmentioning
confidence: 58%
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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