Christopher D. Geddes


Contact Information
Office: MEYR 549B
Phone:  410 576 5723


Professional Interests

Dr Chris D. Geddes, Ph.D., FRSC, Professor, has extensive experience in fluorescence spectroscopy, particularly in fluorescence sensing and metal-fluorophore interactions, publishing over 300 peer-reviewed papers (h-index: 58), > 35 books; his work being cited approximately 11,0500 times to date in the research literature.

Dr Geddes is internationally known in fluorescence and plasmonics and his laboratory is widely attributed to the development of the Metal-Enhanced Fluorescence (MEF) and related plasmon-fluorescence technologies, securing in excess of $25 million in recent years to pursue his research aspirations. He is the editor-in-chief of the Journal of Fluorescence and founding editor-in-chief of the Who’s Who in Fluorescence, Annual Reviews in Fluorescence and the Annual Reviews in Plasmonics volumes. In addition, due to the labs’ pioneering efforts in the fields of metallic nanoparticle-fluorophore interactions, Dr Geddes launched a Springer Journal “Plasmonics” in 2005, which is a leading journal in the field today.

Dr Geddes is Director of the Institute of Fluorescence, a department within UMBC (University of Maryland Baltimore County), which focuses on the nano-bio-technological applications of fluorescence. Dr Geddes has been a permanent member of the NIH’s EBIT R01 study section (2007-2012) and chaired the NIH’s Analytical and BioAnalytical SBIR study section from ~ 2004-2009. Dr Geddes is a fellow of both the Royal Society of Chemistry (FRSC) and the Institute of Physics, (FInstPhys). Dr Geddes holds > 100 patents in the fields of fluorescence and plasmonics and his roles and interactions with industry have created enterprise value in excess of $100 Million dollars today.  Dr Geddes has launched numerous companies throughout his career, most recently Lyse-It LLC ( as well being an angel investor in a great many more. Dr Geddes has commercialized > 350 products to date.  In 2011, Professor Geddes was honored by the Maryland House of Delegates in Annapolis, (House Resolution #326), for his outstanding contributions to education, biotechnology, economic development and innovation and again in 2019 for his outstanding contributions to minority and women education and for mentoring the next generation of scientists. Dr Geddes is also a co-founder and chair of the popular Bio-X society conference series, which holds biologically focused conferences around the world annually.

Dr. Chris D. Geddes Personal Homepage:

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Dr Geddes launches a new Springer book serial, Molecular BioPhysics: Molecular BioPhysics

Research Interests

  • The development of new fluorescence-plasmonic based technologies for the ultra-fast and sensitive detection of pathogens. Some of our MEF (Metal-Enhanced Fluorescence) technologies have been used in recent clinical studies.
  • The development of Plasmonic electricity / current (discovered by our group) for solar power applications and Analytical sensing.
  • Fluorescent carbon nanodots
  • The development of new Lysing technologies, to lyse cells, bugs and fragment DNA / proteins into “tunable” distributions of sizes.

Recent Publications

Fluorophore-Induced Plasmonic Current Generation from Copper Nanoparticle Films. Daniel R. Pierce, Lahari Saha, and Chris D. Geddes, ACS Omega 2024, 9, 23, 25181–25188. Link

Fluorophore-induced Plasmonic Current Generation from Aluminum Nanoparticle Films. D.R. Pierce, M. Bobbin and Chris D. Geddes, Journal of Physical Chemistry, 127, 1126-1134, 2023.Link

Plasmonic Electricity II: The Effect of Particle Size, Solvent Permittivity, Applied Voltage, and Temperature on Fluorophore-Induced Plasmonic Current Joshua Moskowitz, Rashad Sindi, and Chris D. Geddes, J. Phys. Chem. C 2020, 124, 10, 5780–5788 Link

Antimicrobial carbon nanodots: photodynamic inactivation and dark antimicrobial effects on bacteria by brominated carbon nanodots, Rachael Knoblauch, Amanda Harvey, Estelle Ra, Ken M. Greenberg, Judy Lau, Elizabeth Hawkins, and Chris D. Geddes, Nanoscale, 2021,13, 85-99 Link

Elucidation of a non-thermal mechanism for DNA/RNA fragmentation and protein degradation when using Lyse-It,  T. M. Santaus, K. Greenberg, P. Suri and Chris D. Geddes, PLOS ONE, 14, 12, E0225475, 2019.

Honors and Awards

2019 – Honored by Maryland House of Delegates in Annapolis in a citation, for outstanding contributions to minority and women education and for mentoring the next generation of scientists.

2015 – Awarded for technology innovation at UMBC’s innovators luncheon by the USM chancellor, Dr Bob Caret.

2015 – Innovator of the Year

2013 – Fellow of the Royal Society of Chemistry, FRSC

2013 – Innovator of the year

2012 – Fellow Institute of Physics

2011 – IoF and Professor Geddes honored by Maryland House of Delegates in Annapolis, House Resolution #326, for outstanding contributions to education, biotechnology and innovation.

2010 – Innovator of the year award

2008 – Innovator of the year award

Course Profiles

  • Chem 303: Physical Chemistry for the Biological Sciences
  • Chem 401: Statistical Thermodynamics
  • Chem 467: Analytical Chemistry
  • Chem 490: Fluorescence Spectroscopy
  • Chem 490: Quantum Chemistry and Spectroscopy
  • Chem 714: Ethics in Research