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Serum pigmentation in Cyclopterus lumpus L (1986)

Mudge, S. M. ; Davenport, J.

Oxford, UK : Blackwell Publishing Ltd

Journal of fish biology 29 (1986), S. 0

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ISSN: 1095-8649

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Biology

Notes: Female lumpsuckers, Cyclopterus lumpus L., have blue-green blood serum and subcutaneous gelatinous tissue; the male's are red/magenta in colour. The female serum contains a chromoprotein with biliverdin as the prosthetic group; the male serum contains the same biliverdin pigment but this is normally masked by a red pigment, probably phycoerythrin. The female serum also contains the red pigment but at a much lower concentration than in the male. These bile pigments are probably formed by the breakdown of haem in the liver. Lumpsucker gall bladders are relatively small and do not enlarge during starvation. Storage of bile pigments in the serum and subcutaneous jelly may have arisen in response to the problems of regular long-term starvation. The pigments now appear to have an additional sexual signalling function.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1095-8649.1986.tb04989.x

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Field and laboratory measurements of the rapid remobilization of plutonium from estuarine sediments (1990)

Assinder, D. J. ; Hamilton-Taylor, J. ; Kelly, M. ; [et al.]

Springer

Journal of radioanalytical and nuclear chemistry 138 (1990), S. 417-424

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ISSN: 1588-2780

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering

Notes: Abstract The Esk estuary, U.K. receives inputs of dissolved and particulate plutoniun from discharges of waste into the Irish Sea from the Sellafield nuclear fuel reprocessing plant. Field and laboratory methods have been developed to examine the phenomenon of rapid plutonium remobilization from contaminated Esk sediments during estuarine mixing which was first identified in 1981. Both types of studies have shown comparable, non-conservative behavior for the two oxidation state categories of238Pu and239,240Pu (i.e. Pu (III/IV) and Pu (V/VI)) with enrichment in low salinity waters due to desorption of plutonium from resuspended sediments.