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Stable low-fouling plasma polymer coatings on polydimethylsiloxane
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10.1063/1.4754600
/content/aip/journal/bmf/6/3/10.1063/1.4754600
http://aip.metastore.ingenta.com/content/aip/journal/bmf/6/3/10.1063/1.4754600

Figures

Image of FIG. 1.
FIG. 1.

XPS high resolution C 1s spectra of double ppTTg coated PDMS.

Image of FIG. 2.
FIG. 2.

Sessile water contact angles measured on uncoated PDMS, single and double ppTTg coated PDMS and ppTTg coated Si wafers. All values represent the mean optical density measured at 405 nm + SD, calculated from 3 replicates for each sample. All samples have been tested against the relevant positive control (ppTTg coated Si wafers) result by student's t test where *p<0.05, **p<0.01 and ***p<0.001.

Image of FIG. 3.
FIG. 3.

A bar chart showing optical density measurements at 405 nm for fibrinogen ELISA experiments for uncoated PDMS, single and double ppTTg coated PDMS and ppTTg coated Si wafers. Values shown are background corrected using the values obtained from negative control ELISA experiments (i.e., ELISA experiments completed without protein). All values represent the mean optical density measured at 405 nm ± SD, calculated from 4 replicates for each sample. Student's t test ***p < 0.001 and #p < 0.05.

Tables

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Table I.

Elemental composition from XPS survey spectra for ppTTg plasma polymer coatings on Si wafers and PDMS substrates. All values represent the mean elemental composition percentage + SD, calculated from 6 replicates for each sample.

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Table II.

Carbon environments calculated from peak fitting of XPS high resolution C 1s spectra for ppTTg coated on PDMS and silicon wafer substrates. All values represent the mean elemental composition percentage + SD, calculated from 6 replicates for each sample.

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Table III.

XPS elemental composition of survey spectra and ether carbon content after various aging time points. All values are percentage values to two decimal points and represent the mean percentage calculated from 3 replicates for each sample.

Generic image for table
Table IV.

XPS elemental composition of the coated and uncoated surfaces at various aging time points, after exposure to fibrinogen solutions. n = 3. The nitrogen content for both ppTTg coated PDMS sample results were tested against the ppTTg coated Si wafer results by student's t test, where *p < 0.05; **p < 0.01; and ***p < 0.001.

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/content/aip/journal/bmf/6/3/10.1063/1.4754600
2012-09-24
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Stable low-fouling plasma polymer coatings on polydimethylsiloxane
http://aip.metastore.ingenta.com/content/aip/journal/bmf/6/3/10.1063/1.4754600
10.1063/1.4754600
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