Preconcentration
of 198Au in a green alga, Rhizoclonium</p>
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| Authors: | D Nayak M Nag S Banerjee R Pal S Laskar S Lahiri |
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| Institution: | (1) Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata-700064, India;(2) Department of Chemistry, The University of Burdwan, Burdwan 713104, India;(3) Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata-700019, India;(4) Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata-700019, India;(5) Department of Chemistry, The University of Burdwan, Burdwan 713104, India;(6) Chemical Sciences Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata-700064, India |
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| Abstract: | Summary The
bioaccumulation of 198Au radionuclide, by Rhizoclonium riparium
a member of Chlorophyceae has been studied. It has been observed that
accumulation of gold on Rhizoclonium is almost pH independent and
slightly higher at basic pH. Accumulation of gold was studied with 198Au
radiotracer, 0.1, 1 and 5 ppm concentrations of gold. It has been concluded
from the biochemical analysis that the gold accumulation is due to adsorption
in the cellulose and not in protein, fat and carbohydrate. Accumulated gold was
recovered when washed with conc. HNO3.</p>
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