Shahinfard, *Naser S. V. (2013). Carbon Nanotube/Polypyrrole Composites as a Novel Solid Phase Microextraction Fiber Coating for the Preconcentration of n-Alkanes from Aqueous Media. Journal of Biomedical and Pharmaceutical Research, 2(2). Retrieved from https://jbpr.in/index.php/jbpr/article/view/414