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Title: Synchrotron X-ray microfluorescence measurement of metal distributions in Phragmites australis root system in the Yangtze River intertidal zone

Journal Article · · Journal of Synchrotron Radiation (Online)
 [1];  [2];  [3];  [2];  [2];  [4];  [4];  [4];  [4];  [4];  [4]
  1. Montclair State Univ., Montclair, NJ (United States)
  2. East China Normal Univ. (ECNU), Shanghai (China)
  3. Montclair State Univ., Montclair, NJ (United States); Yunnan Univ., Yunnan (People's Republic of China)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
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This paper 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.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (SC-21)
Grant/Contract Number:
SC00112704
OSTI ID:
1328379
Report Number(s):
BNL-112687-2016-JA; JSYRES
Journal Information:
Journal of Synchrotron Radiation (Online), Vol. 23, Issue 4; ISSN 1600-5775
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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Related Subjects

97 MATHEMATICS AND COMPUTING
heavy-metal
Typha-Latifolia
iron plaque
solution culture
Fe-plaque
in-situ
contaminated soils
Aster-Tripolium
aquatic plants
Yangtze River intertidal zone
metal uptake
Phragmites australis
Fe nanoparticles