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AFM Analysis of C60 and a Poly(amido amine) Dendrimer-C60 Nanoconjugate

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Abstract:

Atomic force microscopy (AFM) was used to study the nanoscopic structure and topography of buckminsterfullerene (C60 and a conjugate of C60 with generation four, amine-terminated, poly(amido amine) dendrimer (PAMAM-G4). The conjugate contains a PAMAM-G4 core and C60 shell formed by reacting PAMAM-G4 with an excess of C60ยท Fractal patterns of C60 were observed in nanoscopic AFM images when solutions of different concentrations of C60 in pyridine or toluene were dried at room temperature. In contrast, no fractal patterns were detected in the AFM images of the dendrimer-C60 nanoconjugate, prepared from pyridine solution in a similar manner. Thus, the C60-shell alone is not sufficient to impart the same fractal patterns on the conjugate.

Keywords: BUCKMINSTERFULLERENE; DENDRIMER; FRACTAL PATTERN; NANOCONJUGATE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2007.320

Publication date: 2007-04-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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