Journal
BIORESOURCE TECHNOLOGY
Volume 98, Issue 15, Pages 2949-2952Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2006.09.035
Keywords
Ocimum basilicum; bioremediation; (137)Cesium; (90)Strontium
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Mucilaginous seeds of Ocimum basilicum were used in uptake studies with cesium-137 and strontium-90. Results showed that uptake was dependent on the structural integrity of the mucilage fibrils. Water imbibed seeds showed higher adsorption of both Cs-137 and Sr-90 in comparison to seeds pretreated with NaOH, HCl and Na-periodate solution. The uptake was pH dependent and while some divalent metal ions had no or little detrimental effect, the alkali metal ions Li+, Na+ and K+ decreased the uptake. The maximum adsorption capacity was 160 mg cesium g(-1) and 247 mg strontium g(-1) seed dry weight. (C) 2006 Elsevier Ltd. All rights reserved.
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