autofluorescence

play
noun au·to·fluo·resc·ence \ˌȯ-(ˌ)tō-flu̇-ˈre-səns, -flȯ-\

Definition of autofluorescence

plural

autofluorescences

  1. :  fluorescence emitted naturally by a biological substance In ultraviolet light, the material has a yellow to silvery autofluorescence that differs from the orange autofluorescence of lipofuscin. — Robert S. Rust and Diane Karluk, New England Journal of Medicine, 29 Aug. 2002 Spectral-imaging technologies will discriminate emissions from multiple fluorescent probes, permitting simultaneous analysis of distinct optical probes and dramatically reducing background autofluorescence. — Harvey R. Herschman, Science, 24 Oct. 2003

autofluorescent

\ˌȯ-(ˌ)tō-flu̇-ˈre-sənt, -flȯ-\ play adjective Two imaging techniques confirmed that blood flow was low in these tumors, and delivery of the naturally autofluorescent anticancer drug doxorubicin was decreased compared with delivery to transplanted tumors or normal tissue. — Peter Olson and Douglas Hanahan, Science, 12 June 2009

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

1916

First Known Use of autofluorescence

1916


Seen and Heard

What made you want to look up autofluorescence? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

not embarrassed or apologetic

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!