Environmental Science: Nano
31 Mar 2022
Silicon reduces the uptake of cadmium in hydroponically grown rice seedlings: why nanoscale silica is more effective than silicate
Jianghu Cui,‡ab Qian Jin,‡ab Fangbai Li*ab and Lei Chenab
a National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
b Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
‡ Jianghu Cui and Qian Jin contributed equally to this work.
10.1039/D1EN00973G
Our previous study suggested that the application of silicon (Si) could reduce the uptake and accumulation of Cd in rice. However, the effects of different Si forms on the uptake and accumulation of Cd have not been investigated and the underlying mechanisms are not fully clear. Here, we investigated the potentially different effects of silica nanoparticles (Si NPs) and silicate on the uptake and transport of Cd in rice seedlings in a hydroponic system.
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