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Proceedings Paper

In-vivo and in-situ particle diagnostics
Author(s): Clarice M. Yentsch; Terry L. Cucci
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Paper Abstract

Particles from both natural populations and culture mixtures are categorized into microautotroph and detritus/microheterotroph components based on size and chlorophyll autofluorescence. Subcomponents ofmicroautotroph pigment groups are possible by the addition of phycoerythrin autofluorescence measurements. Subcomponents of microautotrophs as "live" and "dead" cells are determined by the addition of the metabolic activity stain fluorescein diacetate (FDA). The detritus/microheterotroph fraction includes green-fluorescing cells, abundant in the Gulf of California, detritus, and bacteria. The relative contributions of icroautotrophs, microheterotrophs and detritus mustbe discerned in order to fully interpret beam attenuation and changes in beam attenuation.

Paper Details

Date Published: 1 September 1990
PDF: 8 pages
Proc. SPIE 1302, Ocean Optics X, (1 September 1990); doi: 10.1117/12.21442
Show Author Affiliations
Clarice M. Yentsch, Bigelow Lab. for Ocean Sciences (United States)
Terry L. Cucci, Bigelow Lab. for Ocean Sciences (United States)


Published in SPIE Proceedings Vol. 1302:
Ocean Optics X
Richard W. Spinrad, Editor(s)

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