Gary Wedemeyer 1968 <p>1. Zinc uptake and distribution in the developing coho salmon egg was measured using radioisotope tracer techniques.</p><p>2. The uptake was affected by pH, temperature, Cu²⁺, 2,4-fluorodinitrobenzene and the azo dye, malachite green; but not by azide ion or 2,4-dinitrophenol.</p><p>3. About 70 per cent of the total accumulated zinc was bound, rather firmly, to the chorion; about 26 per cent was found in the perivitelline fluid, about 2 per cent in the yolk, and about 1 per cent in the embryo.</p><p>4. Temperature, pH, inhibitor and kinetic studies indicated that zinc uptake involves physicochemical sorption to the chorion together with passive diffusion into the yolk and embryo.</p><p><br></p> application/pdf 10.1016/0010-406X(68)90331-9 en Elsevier Uptake and distribution of Zn⁶⁵ in the coho salmon egg (<i>Oncorhynchus kisutch</i>) article