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Protein/carbon nanotubes interaction: The effect of carboxylic groups on conformational and conductance changes
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10.1063/1.3211328
/content/aip/journal/apl/95/7/10.1063/1.3211328
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/7/10.1063/1.3211328
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Figures

Image of FIG. 1.
FIG. 1.

(a) AFM micrograph of (a) bare SWCNT and (b) BSA-SWCNT conjugate stabilized through physisorption. The stabilizing force which contributes to physisorption is primarily weak hydrophobic interaction between the nanotube and the BSA.

Image of FIG. 2.
FIG. 2.

Fluorescence spectra from (a) pristine and (b) carboxylated SWCNT. Concentrations of pristine and carboxylated SWCNT: (1) , (2) , (3) , (4) , and (5) , respectively (c) Plot of against SWCNT concentration, as obtained from (a) and (b), to determine (–◼–carboxylated, and–●–pristine SWCNT, respectively). CD spectra for (d) pristine and (e) carboxylated SWCNT. (f) Plot of -helix content, as obtained from the CD spectra, against [SWCNT] (–◼–carboxylated, and–●–pristine SWCNT, respectively).

Image of FIG. 3.
FIG. 3.

(a) LGFET kinetic measurement, , and , when the BSA interacts with pristine (black) and carboxylated SWCNT (red). (b) BSA conformation in its native conformation, and after interaction with pristine and carboxylated SWCNT. (c) The size of the binding pocket in BSA before and after interaction with carboxylated and pristine SWCNT, respectively. (d) Calculated dipole moment in (1) native BSA, (2) SWCNT, and (3) SWCNT.

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/content/aip/journal/apl/95/7/10.1063/1.3211328
2009-08-21
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Protein/carbon nanotubes interaction: The effect of carboxylic groups on conformational and conductance changes
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/7/10.1063/1.3211328
10.1063/1.3211328
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