单词	autofluorescence
释义	autofluorescence noun au·​to·​fluo·​resc·​ence ˌȯ-(ˌ)tō-flu̇-ˈre-sᵊns  -flȯ- plural autofluorescences : 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- 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 Word History First Known Use 1916, in the meaning defined above
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