Application of carbon nanotube-matrix assistant native polyacrylamide gel electrophoresis to the separation of apolipoprotein A-I and complement C3 [An article from: Analytica Chimica Acta]
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Description:
The application of carbon nanotube polyacrylamide gel electrophoresis (PAGE) is being reported so as to improve selectivity of analysis. A novel polyacrylamide gel was manufactured by adding multi-walled carbon nanotubes (MWNT) when producing the polyacrylamide gel. Carbon nanotube-matrix assistance was used to separate apolipoprotein A-I and complement C3 with native polyacrylamide gel electrophoresis. Significant improvement of the relative selectivity was achieved in the separation between apolipoprotein A-I and complement C3, because of the hydrophobic change of the carbon nanotube surface non-covalently functionalized by the surfactant Triton X-100. These two proteins were identified by MS/MS after electrophoresis. The change of the observed mobility can also be noticed using other nanomaterials such as nano-TiO"2 and nano-Al"2O"3", but no significant improvement of relative selectivities could be observed with the latter nanoparticles.
Description:
The application of carbon nanotube polyacrylamide gel electrophoresis (PAGE) is being reported so as to improve selectivity of analysis. A novel polyacrylamide gel was manufactured by adding multi-walled carbon nanotubes (MWNT) when producing the polyacrylamide gel. Carbon nanotube-matrix assistance was used to separate apolipoprotein A-I and complement C3 with native polyacrylamide gel electrophoresis. Significant improvement of the relative selectivity was achieved in the separation between apolipoprotein A-I and complement C3, because of the hydrophobic change of the carbon nanotube surface non-covalently functionalized by the surfactant Triton X-100. These two proteins were identified by MS/MS after electrophoresis. The change of the observed mobility can also be noticed using other nanomaterials such as nano-TiO"2 and nano-Al"2O"3", but no significant improvement of relative selectivities could be observed with the latter nanoparticles.
