NDLI: Size Measurements of Gasborne Fullerene C60 and Poly(amidoamine) (pamam) Dendrimers Using a Differential Mobility Analyzer (dma)

Content Provider	Semantic Scholar
Author	Imanaka, Masashi Okada, Yoshiki Takeuchi, Kazuo
Copyright Year	2006
Abstract	The electrical mobility of a C60 negative ion was measured as an inherently monodisperse spherical nanoparticle of 1nm diameter in He, Ne, and Ar gas using the differential mobility analyzer (DMA). The measured inverse mobilities were larger than those calculated from a hard-sphere collision model. We suggested that this behavior could be ascribed to the potential force of interactions between the C60 negative ion and the gas molecule. Additionally, poly(amidoamine) (PAMAM) dendrimers of generations 2 through 6 were aerosolized by an electrospray aerosol generator and their electrical mobility spectra observed using a DMA. We succeeded in measuring the electrical mobilities of the monomer and dimer ions of these dendrimers. The experimental results suggested that PAMAM dendrimers are useful as standard particles in the range of a few nanometers.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://ilasseurope.org/ICLASS/ICLASS2006/DATA/PDF/F3-06-232.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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