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Brownian dynamics simulations of polyelectrolyte adsorption in shear flow: Effects of solvent quality and charge patterning
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10.1063/1.2901052
/content/aip/journal/jcp/128/16/10.1063/1.2901052
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/16/10.1063/1.2901052
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of problem setup: (a) Repeat block for the charged patterned surface considered in this study and (b) the cross-sectional view of the repeat block.

Image of FIG. 2.
FIG. 2.

Schematic of an adsorbed polymer showing tails, trains, and loops.

Image of FIG. 3.
FIG. 3.

Variation in and with , when and , for two different cases: (a) and and (b) and .

Image of FIG. 4.
FIG. 4.

Variation in the populations of beads forming tails, trains, and loops with , when and , for two different cases: (a) and and (b) and .

Image of FIG. 5.
FIG. 5.

Concentration profiles for , 1.5, 2, and 5, when and , for two different cases: (a) and and (b) and . The insets show the variation in the peak location , with .

Image of FIG. 6.
FIG. 6.

Effect of on (a) and and (b) populations of beads forming tails, trains, and loops when , , , and .

Image of FIG. 7.
FIG. 7.

Concentration profiles for a 20-bead chain when , , , and , 2, and 3: (a) , (b) , and (c) .

Image of FIG. 8.
FIG. 8.

Variation in the desorbed chain fraction with when , , , and , 2, and 3.

Image of FIG. 9.
FIG. 9.

Critical shear rate vs for 10-, 20-, 30-, and 40-bead chains when , , and .

Image of FIG. 10.
FIG. 10.

Concentration profiles for a 20-bead chain when , ,, and , 1.5, 2, and 5: (a) and (b) .

Image of FIG. 11.
FIG. 11.

Variation in the desorbed chain fraction with when , , , and , 1.5, 2, and 5.

Image of FIG. 12.
FIG. 12.

Variation in with for 10-, 20-, 30-, and 40-bead chains when , , and .

Image of FIG. 13.
FIG. 13.

Variation in the desorbed chain fraction with for a 20-bead chain when , , and : (a) and , (b) and , (c) and , and (d) and .

Image of FIG. 14.
FIG. 14.

Variation in the desorbed chain fraction with shear rate for a 30-bead chain when , , , , , and , 20, and 40.

Image of FIG. 15.
FIG. 15.

Variation in with for a 30-bead chain when , , , , , and , 20, and 40.

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/content/aip/journal/jcp/128/16/10.1063/1.2901052
2008-04-25
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Brownian dynamics simulations of polyelectrolyte adsorption in shear flow: Effects of solvent quality and charge patterning
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/16/10.1063/1.2901052
10.1063/1.2901052
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