Carbon Nanotube/Polypyrrole Composites as a Novel Solid Phase Microextraction Fiber Coating for the Preconcentration of n-Alkanes from Aqueous Media Journal title: Journal of Biomedical and Pharmaceutical Research Authors: Naser Samadi*| Department of Analytical Chemistry, Faculty of Sciences, University of Urmia, Urmia,... Subject(s): Biomedicine, Pharmacology