Open AccessSynchrotron X‐ray microfluorescence measurement of metal distributions in Phragmites australis root system in the Yangtze River intertidal zone
Author(s) -
Feng Huan,
Zhang Weiguo,
Qian Yu,
Liu Wenliang,
Yu Lizhong,
Yoo Shinjae,
Wang Jun,
Wang Jia-Jun,
Eng Christopher,
Liu Chang-Jun,
Tappero Ryan
Publication year - 2016
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s1600577516008146
Subject(s) - phragmites , synchrotron , intertidal zone , metal , rhizosphere , synchrotron radiation , materials science , environmental chemistry , chemistry , wetland , metallurgy , geology , biology , physics , ecology , optics , paleontology , bacteria
This study investigates the distributions of Br, Ca, Cl, Cr, Cu, K, Fe, Mn, Pb, Ti, V and Zn in Phragmites australis root system and the function of Fe nanoparticles in scavenging metals in the root epidermis using synchrotron X‐ray microfluorescence, synchrotron transmission X‐ray microscope measurement and synchrotron X‐ray absorption near‐edge structure techniques. The purpose of this study is to understand the mobility of metals in wetland plant root systems after their uptake from rhizosphere soils. Phragmites australis samples were collected in the Yangtze River intertidal zone in July 2013. The results indicate that Fe nanoparticles are present in the root epidermis and that other metals correlate significantly with Fe, suggesting that Fe nanoparticles play an important role in metal scavenging in the epidermis.