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A label-free and amplified electrochemical impedimetric aptasensor based on functionalized graphene nanocomposites (rGO–AuNPs) was developed for the detection of thrombin, which played a vital role in thrombosis and hemostasis. The thiolated aptamer and dithiothreitol (TBA15–DTT) were firstly immobilized on the gold electrode to capture the thrombin molecules, and then aptamer functionalized graphene...
Platinum nanoparticles (Pt NPs) were deposited onto multi-walled carbon nanotubes (MWNTs) through direct chemical reduction without any other stabilizing agents. Transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and cyclic voltammetry were employed to characterize the morphology of the as-prepared nanocomposite (noted as Pt NPs–MWNTs) and further identify the Pt NPs on...
In this present work, a polymer electrolyte based on polymer/clay nanocomposite has been developed. Montmorillonite (MMT) clay was used as the filler, due to its special size in length and thickness, and its sandwich type structure. The obtained gel polymer electrolytes have high ionic conductivity up to 2.5mScm −1 with high cationic transference number (about 0.64) at room temperature. The...
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