M.  Parthasarathy, Debgupta, J., Kakade, B. A., Ansary, A. Ayoobul, Khan, M. Islam, and Pillai, V. K., ?Carbon nanotube-modified sodium dodecyl sulfate-polyacrylamide gel electrophoresis for molecular weight determination of proteins?, Analytical Biochemistry, vol. 409, no. 2, pp. 230-235, 2011.