Dr. Christopher D. Geddes Profile

Dr. Christopher D. Geddes

Associate Professor/Director at Univ of Maryland/Baltimore

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 27 February 2007 Paper

Microwave-accelerated plasmonics: application to ultrafast and ultrasensitive clinical assays

Kadir Aslan, Michael J. R. Previte, Yongxia Zhang, Chris Geddes

Proceedings Volume 6450, 645007 (2007) https://doi.org/10.1117/12.699159

KEYWORDS: Microwave radiation, Gold, Luminescence, Silver, Glasses, Proteins, Blood, Absorption, Ultrafast phenomena, Nanoparticles

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Proceedings Article | 23 February 2006 Open Access

Plasmon-controlled fluorescence: a new detection technology

Joseph Lakowicz, Mustafa Chowdhury, Krishanu Ray, Jian Zhang, Yi Fu, Ramachandram Badugu, Chandran Sabanayagam, Kazimierz Nowaczyk, Henryk Szmacinski, Kadir Aslan, Chris Geddes

Proceedings Volume 6099, 609909 (2006) https://doi.org/10.1117/12.673106

KEYWORDS: Plasmons, Luminescence, Metals, Particles, Plasmonics, Silver, Surface plasmons, Absorption, Near field, Scattering

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Proceedings Article | 1 July 2004 Paper

Enhanced chemical fluorescence-based sensing using metallic nano-composites

Henryk Szmacinski, Vincent Pugh, Wayne Moore, Chris Geddes, Kadir Aslan, Joseph Lakowicz

Proceedings Volume 5318, (2004) https://doi.org/10.1117/12.536415

KEYWORDS: Silver, Calcium, Nanoparticles, Luminescence, Quantum efficiency, Glasses, Absorption, Biological and chemical sensing, Silica, Silicon

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Proceedings Article | 1 July 2004 Paper

Complexation of dextran and glucose with thiolate boronic acid capped on nanoparticle

Jian Zhang, Chris Geddes, Joseph Lakowicz

Proceedings Volume 5321, (2004) https://doi.org/10.1117/12.530059

KEYWORDS: Particles, Luminescence, Glucose, Absorbance, Silver, Nanoparticles, Plasmons, Transmission electron microscopy, Spectroscopy, Atmospheric particles

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Proceedings Article | 1 July 2004 Paper

Metal-enhanced fluorescence: a novel approach to ultra-sensitive fluorescence sensing assay platforms

Zygmunt Gryczynski, Joanna Malicka, Ignacy Gryczynski, Evgenia Matveeva, Chris Geddes, Kadir Aslan, Joseph Lakowicz

Proceedings Volume 5321, (2004) https://doi.org/10.1117/12.530072

KEYWORDS: Luminescence, Metals, Particles, Silver, Quantum efficiency, Absorption, Sensors, Refractive index, Fluorescence spectroscopy, Atmospheric particles

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Proceedings Article | 16 June 2004 Paper

Advances in surface-enhanced fluorescence

Joseph Lakowicz, Chris Geddes, Ignacy Gryczynski, Joanna Malicka, Zygmunt Gryczynski, Kadir Aslan, Joanna Lukomska, Jun Huang

Proceedings Volume 5327, (2004) https://doi.org/10.1117/12.542458

KEYWORDS: Silver, Luminescence, Quartz, Particles, Absorption, Metals, Atmospheric particles, Glasses, Quantum efficiency, Nanorods

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Proceedings Article | 16 June 2004 Paper

Plasmonic tunable glucose sensing based on the dissociation of Con A-aggregated dextran-coated gold colloids

Chris Geddes, Kadir Aslan, Jian Zhang, Joseph Lakowicz

Proceedings Volume 5327, (2004) https://doi.org/10.1117/12.530156

KEYWORDS: Gold, Nanoparticles, Glucose, Absorbance, Absorption, Plasmonics, Plasmons, Transmission electron microscopy, Molecular aggregates, Nanostructures

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Proceedings Article | 14 June 2004 Paper

Luminescent blinking from silver, gold, and copper nanostructures: a new class of probes for imaging and localization

Chris Geddes, Ignacy Gryczynski, Alex Parfenov, Kadir Aslan, Joseph Lakowicz

Proceedings Volume 5329, (2004) https://doi.org/10.1117/12.530063

KEYWORDS: Silver, Glasses, Gold, Luminescence, Copper, Nanostructures, Absorption, Fractal analysis, Microscopes, Electrodes

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Proceedings Article | 10 June 2004 Paper

A glucose-sensing contact lens: a new approach to noninvasive continuous physiological glucose monitoring

Ramachandram Badugu, Joseph Lakowicz, Chris Geddes

Proceedings Volume 5317, (2004) https://doi.org/10.1117/12.530060

KEYWORDS: Glucose, Luminescence, Sensors, Blood, Positron emission tomography, Contact lenses, System on a chip, Polymers, Nitrogen, Americium

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SPIE Journal Paper | 1 July 2003 Open Access

Metal-enhanced emission from indocyanine green: a new approach to in vivo imaging

Joanna Malicka, Ignacy Gryczynski, Chris Geddes, Joseph Lakowicz

JBO, Vol. 8, Issue 03, (July 2003) https://doi.org/10.1117/12.10.1117/1.1578643

KEYWORDS: Silver, Quartz, Metals, Luminescence, Particles, Indocyanine green, Quantum efficiency, Molecules, Atmospheric particles, Absorption

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Proceedings Article | 10 May 2001 Paper

Multiphoton-excited fluorescence particle metrology: application to silica hydrogels

David Birch, Chris Geddes, Jan Karolin, Klaas Wynne

Proceedings Volume 4252, (2001) https://doi.org/10.1117/12.426737

KEYWORDS: Particles, Silica, Fluorescence anisotropy, Luminescence, Sol-gels, Polymerization, Anisotropy, Light scattering, Metrology, Scattering

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Proceedings Article | 3 May 1999 Paper

Application of fluorescence depolarization to dye uptake and particle sizing in silica sols

Chris Geddes, David Birch, Kathleen Apperson, John Chevers, Ian McKeown

Proceedings Volume 3602, (1999) https://doi.org/10.1117/12.347523

KEYWORDS: Particles, Luminescence, Silica, Anisotropy, Fluorescence anisotropy, Sol-gels, Polymerization, Silicates, Particle sizing, Polymers

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Showing 5 of 12 publications

Conference Committee Involvement (31)

Plasmonics in Biology and Medicine XXII

25 January 2025 | San Francisco, California, United States

Plasmonics in Biology and Medicine XXI

28 January 2024 | San Francisco, California, United States

Plasmonics in Biology and Medicine XX

29 January 2023 | San Francisco, California, United States

Plasmonics in Biology and Medicine XIX

23 January 2022 | San Francisco, California, United States

Plasmonics in Biology and Medicine XVIII

6 March 2021 | Online Only, California, United States

Plasmonics in Biology and Medicine XVII

2 February 2020 | San Francisco, California, United States

Plasmonics in Biology and Medicine XVI

3 February 2019 | San Francisco, California, United States

Plasmonics in Biology and Medicine XV

29 January 2018 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XIV

9 April 2017 | Anaheim, CA, United States

Plasmonics in Biology and Medicine XIV

30 January 2017 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XIII

18 April 2016 | Baltimore, MD, United States

Plasmonics in Biology and Medicine XIII

15 February 2016 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XII

23 April 2015 | Baltimore, MD, United States

Plasmonics in Biology and Medicine XII

7 February 2015 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XI

7 May 2014 | Baltimore, MD, United States

Plasmonics in Biology and Medicine XI

1 February 2014 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology X

1 May 2013 | Baltimore, Maryland, United States

Plasmonics in Biology and Medicine X

3 February 2013 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology IX

26 April 2012 | Baltimore, Maryland, United States

Plasmonics in Biology and Medicine IX

22 January 2012 | San Francisco, California, United States

Plasmonics in Biology and Medicine V

21 January 2008 | San Jose, California, United States

Advanced Biomedical and Clinical Diagnostic Systems VI

20 January 2008 | San Jose, California, United States

Plasmonics in Biology and Medicine IV

23 January 2007 | San Jose, California, United States

Advanced Biomedical and Clinical Diagnostic Systems V

21 January 2007 | San Jose, California, United States

Advanced Photon Counting Techniques

1 October 2006 | Boston, Massachusetts, United States

Plasmonics in Biology and Medicine III

23 January 2006 | San Jose, California, United States

Advanced Biomedical and Clinical Diagnostic Systems IV

22 January 2006 | San Jose, California, United States

Plasmonics in Biology and Medicine

24 January 2005 | San Jose, CA, United States

Advanced Biomedical and Clinical Diagnostic Systems III

23 January 2005 | San Jose, CA, United States

Plasmonics in Biology and Medicine

26 January 2004 | San Jose, CA, United States

Biohazard Detection Technologies

25 January 2004 | San Jose, CA, United States

Showing 5 of 31 Conference Committees

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