Dr. Richard Griffith Freeman Profile

Dr. Richard Griffith Freeman

Principal Scientist at Oxonica Materials Inc

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Publications (3)

Proceedings Article | 22 August 2009 Open Access

Exploring single-molecule SERS and single-nanoparticle plasmon microscopy

Kristin Wustholz, Anne-Isabelle Henry, Julia Bingham, Samuel Kleinman, Michael Natan, R. Griffith Freeman, Richard Van Duyne

Proceedings Volume 7394, 739403 (2009) https://doi.org/10.1117/12.826168

KEYWORDS: Surface enhanced Raman spectroscopy, Nanoparticles, Transmission electron microscopy, Silver, Particles, Imaging spectroscopy, Scattering, Molecules, Crystals, Spectroscopy

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Proceedings Article | 28 April 2005 Paper

Detection of biomolecules using nanoparticle surface enhanced Raman scattering tags

R. Freeman, William Doering, Ian Walton, Sharron Penn, Glenn Davis, Frances Wong, Michael Natan

Proceedings Volume 5705, (2005) https://doi.org/10.1117/12.591114

KEYWORDS: Surface enhanced Raman spectroscopy, Molecules, Particles, Nanoparticles, Raman scattering, Luminescence, Raman spectroscopy, Multiplexing, Quantum dots, Glasses

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Proceedings Article | 3 June 2004 Paper

Nanobarcodes particles as covert security tags for documents and product security

Sharron Penn, Scott Norton, Ian Walton, Richard Freeman, Glenn Davis

Proceedings Volume 5310, (2004) https://doi.org/10.1117/12.527134

KEYWORDS: Particles, Metals, Nanotechnology, Image segmentation, Manufacturing, Image quality, Reflectivity, Silver, Optical microscopes, Software development

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