Determination of Rare Earth Elements in Some Seaweed Samples on the Coast in Niigata Prefecture by Inductively Coupled Plasma Mass Spectrometry.

Kano, Naoki; Aoyagi, Yoshitaka; Inoue, Hiroshi

doi:10.5985/jec.11.221

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Therefore, we have determined the concentrations of REEs [ 16 ], Th, and U [ 17 ] in various kinds of seaweed taken on the coast of Niigata Prefecture, and consequently the following matters have been mainly clarified. The concentrations of REEs in seaweed species from Niigata Prefecture were generally about 10 2 -10 3 times higher than those in seawater, and the enrichment factors of REEs were larger in heavy REE (HREE) than light REE (LREE).…”

Section: Introductionmentioning

confidence: 99%

Biosorption of Uranium and Rare Earth Elements Using Biomass of Algae

Sakamoto

Kano

Inoue

2008

Bioinorganic Chemistry and Applications

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In order to investigate the behavior of rare earth elements (REEs) and uranium (U) in marine organism, the concentrations of REEs and U in some brown algae samples taken on the coast of Niigata Prefecture were determined. In addition, laboratory model experiment to uptake these elements using living and dried algae (Undaria pinnatifida and Sargassum hemiphyllum) was also carried out to survey the uptake and bioaccumulation mechanism of REEs and U in algae. Consequently, the following matters have been mainly clarified. (1) The order of the concentration of REEs for each organ in Sargassum hemiphyllum is “main branch” > “leaf” > “vesicle,” however for U, the order is “leaf” > “vesicle” > “main branch.” (2) The concentration of REEs in Sargassum hemiphyllum may be strongly affected by suspended solid in seawater. (3) The uptake and/or accumulate mechanism of REEs in brown algae may be different from that of U.

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Section: Introductionmentioning

confidence: 99%

Biosorption of Uranium and Rare Earth Elements Using Biomass of Algae

Sakamoto

Kano

Inoue

2008

Bioinorganic Chemistry and Applications

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“…Algae contain a diverse spectrum of lanthanides, regardless of size (micro or macroalgae), structural arrangements (unicellular, fibrous, and crustaceous), algal type (e.g., Chlorophyta, Rhodophyta, and Charophyta) as well as Cyanobacteria [8][9][10][11]. These analyses show that seaweed lanthanide concentrations may be 10-20 times higher than those in terrestrial plants ( [8], see Table 1) and more than 100 times higher than in sea water [10,16].…”

Section: Lanthanides In Algaementioning

confidence: 91%

“…Lanthanides can also serve as anthropogenic activity indicators [27]. Because of their particular affinity to algae, the lanthanide profile may be a useful indicator for exploring the ecology of marine environments [10] and can also be used to monitor sources of pollution from natural events such as volcanic activity [25]. In combination with macroalgal sampling, the lanthanide profile may help to characterize coastal water quality and pollution [22,23,27].…”

Section: Biological Applications Of Lanthanidesmentioning

confidence: 99%

Lanthanides and Algae

Vítová¹,

Čížková²,

Zachleder³

2019

Lanthanides

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This chapter discusses the ecological and physiological impacts of lanthanides on algae as primary producers in aquatic environments. Although lanthanides are nonessential elements for living organisms, their bioaccumulation is a common phenomenon. Here, we critically review the ecological effects of increasing levels of lanthanides directly reaching water systems through mining, application of fertilizers, and the production of advanced technologies. We describe interactions between lanthanides and algae, with a particular focus on various applications including fertilizers, tracers, bioindicators, bioremediation, and recycling. We examine the stimulatory effects of low levels of lanthanides versus their toxicity at higher levels and discuss mechanisms by which they may affect the algal cell. This chapter highlights the importance of a better understanding of the biological roles of lanthanides.

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