Investigation of tissue level distribution of functional groups and associated trace metals in rice seeds (Oryza sativa L.) using FTIR and LA-ICP-MS
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- 作者：Priyanka Basneta ; Dulasiri Amarasiriwardenaa ; daNS@hampshire.edu" class="auth_mail" title="E-mail the corresponding author ; Fengchang Wub ; Zhiyou Fub ; Tao Zhangb
- 关键词：FTIR ; LA-ICP-MS ; Rice (Oryza sativa L.) ; Metals ; Bio accumulation ; Metal binding sites
- 刊名：Microchemical Journal
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：127
- 期：Complete
- 页码：152-159
- 全文大小：1855 K
文摘
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The polar atom ratios show that (N + S + O) / C is ~ 1:1 in both husk and endosperm, indicating abundance of metal binding sites.
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Si containing functional groups like silanol and siloxane in the husk are responsible for metal accumulation.
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LA-ICP-MS and FTIR techniques provide spatial elemental distribution and metal binding moieties in rice seed tissues, respectively.
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The edible embryo and endosperm are rich with Zn.
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General order of metal concentration in rice seeds from the paddies in the vicinity of XKS mine was: Zn > Cd > Sb > Pb > As.