A Note On the Copper Content of Sea-Urchin Semen and Sea Water
Open Access
- 1 September 1950
- journal article
- Published by The Company of Biologists in Journal of Experimental Biology
- Vol. 27 (2), 123-125
- https://doi.org/10.1242/jeb.27.2.123
Abstract
1. The copper content of semen, seminal plasma and coelomic fluid of Echinus esculentus has been determined. The average figures for sea-urchins examined immediately after collection were: semen, 1.33µg/ml.; seminal plasma, 0.50µg/ml.; coelomic fluid, 0.07µg./ml. The accuracy of the method of estimation was ± 0.08µg. Cu/ml. original sample, which means that the amount of Cu in coelomic fluid is not significant. This figure for coelomic fluid is considerably lower than that obtained by Webb (1937) in the only previous examination. 2. The copper content of sea water (surface, off Keppel Pier, Millport) was 0.0064µg./ml.This publication has 3 references indexed in Scilit:
- The Physiology of Sea-Urchin SpermatozoaJournal of Experimental Biology, 1950
- The Physiology of Sea-Urchin SpermatozoaJournal of Experimental Biology, 1950
- The determination of mercury and copper in anti-fouling compositions: potassium cobalticyanide as complex-forming agent in dithizone techniqueThe Analyst, 1946