What is it about?
Scanning Microwave Microscopy (SMM) is a recent technique where a small antenna is scanned nearby a sample, creating maps of how the electromagnetic signal is absorbed or reflected. Microwaves also penetrate the sample allowing some sub-surface imaging (tomographic effect). Here an SMM is described and applied in studying interaction between muscle cells and nanotubes.
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Why is it important?
SMM has been demonstrated since longtime, but its application and development in biology is still very limited and challenging. This work is a step forward in use of SMM in life sciences. SMM is intriguing for three main reasons: the possibility of performing local quantitative measurements of dielectric constant and resistivity, the association of different dielectric constants with regions having different chemical structure, and the capability of penetrating the sample to some extent.
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This page is a summary of: Tomographic effects of near-field microwave microscopy in the investigation of muscle cells interacting with multi-walled carbon nanotubes, Applied Physics Letters, November 2012, American Institute of Physics,
DOI: 10.1063/1.4767518.
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