Determination of the contents and distribution characteristics of REE in natural plants by NAA

Wang, Y. Q.; Sun, Jingxin; Chen, H. M.; Guo, F. Q.

doi:10.1007/bf02040273

Cited by 69 publications

(41 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This is confirmed by data derived from Wang et al (1997), which also showed a high Ce root to shoot translocation ratio (N 80), with a mean value of c. 508 μg g −1 (3.6 μmol g −1 ) Ce in leaves, which was on average seven times higher than the concentration in the soil. Robinson et al (1958) also observed a high Ce concentration (on average 172 μg g −1…”

Section: Introductionsupporting

confidence: 72%

“…However, it has been reported that Dryopteris erythrosora contain up to 30 μg g −1 (0.2 μmol g −1 ) of Ce in leaves, which is a factor 10 to 100 higher than in non-accumulator ferns from the same place (Ozaki et al, 2000). Another fern, Dicranopteris dichotoma (synonymous with D. linearis) has the highest concentrations of total REs (and Ce) in leaves ever reported for a vascular plant thus far (Ichihashi et al, 1992;Wang et al, 1997). Ichihashi et al (1992) reported that D. dichotoma can contain up to 140 μg g −1 (1 μmol g −1…”

Section: Introductionmentioning

confidence: 91%

See 1 more Smart Citation

Cerium negatively impacts the nutritional status in rapeseed

Poščić

Marchiol

2017

Science of The Total Environment

View full text Add to dashboard Cite

Section: Introductionsupporting

confidence: 72%

Section: Introductionmentioning

confidence: 91%

Cerium negatively impacts the nutritional status in rapeseed

Poščić

Marchiol

2017

Science of The Total Environment

View full text Add to dashboard Cite

“…Contents of REEs were finally analyzed by instrumental neutron activation analysis (INAA). Detailed parameters and conditions of the analyses have been described by Wang et al (1997).…”

Section: Methodsmentioning

confidence: 99%

“…At the same time, many powerful REEs analytical techniques were established, causing measurement precision to increase significantly. Neutron Activation Analysis (NAA) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) are the preferred methods to determine the contents of REEs in soil and plant samples (Zhang et al 1994;Liu et al 1997;Wang et al 1997;Zhang & Shan 1997). In addition, the speciation of REEs in different kinds of soils and their bioavailability to plants has been reported (Li et al 1998;Cao et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Environmental biogeochemical behaviors of rare earth elements in soil–plant systems

Liang

Zhang

Wang

et al. 2005

Environ Geochem Health

121

View full text Add to dashboard Cite

With the continual increase in the utilization of rare earth elements (REEs) for industrial and agricultural purposes in China, the research into the environmental biogeochemical behavior of REEs has become a pressing issue. The REEs' content in soil and various parts of wheat under different conditions in soil-plant systems were measured by INAA and ICP-MS. The results showed four aspects. (1) The mean value of total REEs in soil of China was 176.8 mg kg )1 . The mean ratio of SLREE/SHREE in soils was 8.0 and cerium accounts for 42% of the total REEs. The content of REEs in wheat seed ranged between 10 )11 and 10 )8 g g )1 , 3-4 orders of magnitude lower than that in soil. (2) The REEs contents in ryegrass, especially in roots, were significantly related to that of soil. The bioavailability of REEs in soil mainly depended on the exchangeable fraction of REEs, which was strongly affected by the physico-chemical properties of the soil. (3) Long-term foliage-dressing with Changle microfertilizer of REEs did not affect the contents and distribution patterns of REEs in soil. At the maturing stage of spring wheat, the REEs content was in the order of root > leaf >stem and crust. Compared with the control, foliage-dressing has a higher accumulation of REEs in root and leaf. However, no significant difference was found in stem and crust between the two treatments. (4) There was no significant accumulation with the soil-dressing method. When comparing controls in both foliage-and soil-dressing methods, no distinct residue of REEs in grains was found.

show abstract

“…The tolerance to elevated LREEs in soils and high accumulation of LREEs in the leaves were previously reported [25]. Guo et al [26] isolated REE-binding proteins with molecular weights of 14,100 and 38,700.…”

Section: Introductionmentioning

confidence: 93%

Accumulation and uptake of light rare earth elements in a hyperaccumulator Dicropteris dichotoma

et al. 2003

View full text Add to dashboard Cite

Dicropteris dichotoma, a natural perennial fern, grows in acidic soil in southern China. It hyperaccumulates several light rare earth elements La, Ce, Pr and Nd (LREEs) up to about 0.7% of its dry leaf biomass. Through electron microscopic and X-ray microanalyses, LREEs deposits were observed in the cell wall, intercellular space, plasmalemma, vesicles and vacuoles of the root endodermis and stele cells but not in the Casparian band of the fern adventitious root. In addition, LREE deposits were observed in the phloem and xylem of the fern rhizome. These results indicate that at least a portion of the LREEs can be transported symplastically. Histidine and organic acids appear to play a role in stimulating the accumulation of LREEs. This was evident in ferns cultivated in soil amended by histidine, malic and citric acids over a 60-day period. Concentrations of LREEs in D. dichotoma leaves increased by 21-78% as opposed to control, which only increased by 6-10%. While this suggests that histidine and organic acids promote the uptake and sequestration of LREEs in D. dichotoma, the enhancement mechanism of each acid appears to differ. Histidine promoted sequestration of LREEs by forming complexes with LREEs in cells. Organic acids, however, increased the release of LREE from soil, and the uptake of LREEs by fern roots. Most of the LREEs (81-89%) in the cell wall are the result of one of these mechanisms involved in LREE hyperaccumulation. Mass analysis indicated that the molecular weight of LREE-binding peptides was approximately 2000.

show abstract

Determination of the contents and distribution characteristics of REE in natural plants by NAA

Cited by 69 publications

References 7 publications

Cerium negatively impacts the nutritional status in rapeseed

Cerium negatively impacts the nutritional status in rapeseed

Environmental biogeochemical behaviors of rare earth elements in soil–plant systems

Accumulation and uptake of light rare earth elements in a hyperaccumulator Dicropteris dichotoma

Contact Info

Product

Resources

About