Page last updated: 2024-11-05

europium

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

Europium is a rare earth element, a silvery-white metal that is relatively soft and malleable. It is found in small amounts in many minerals, but it is typically extracted from bastnasite and monazite. Europium is not found in nature in its elemental form and is typically synthesized through a multi-step process involving the reduction of europium oxide.

Europium has several applications, including:

* **Phosphors:** Europium compounds are used as red phosphors in fluorescent lamps and color television screens. Europium-activated yttrium oxide (Eu:Y2O3) is a commonly used red phosphor in these applications.
* **Nuclear Applications:** Europium-151 and europium-153 are used in control rods for nuclear reactors. They are also used as neutron absorbers in other nuclear applications.
* **Lasers:** Europium-doped materials are used as laser media.
* **Research:** Europium is used in research areas such as materials science and analytical chemistry. It is also being investigated for potential applications in solar cells and LEDs.

Europium is studied for its unique properties, including its ability to emit light in various colors when excited by different wavelengths of light. It is also studied because of its potential for use in new technologies.

Europium is a relatively expensive element, but its applications are growing as new uses are discovered.'

Europium: An element of the rare earth family of metals. It has the atomic symbol Eu, atomic number 63, and atomic weight 152. Europium is used in the form of its salts as coatings for cathode ray tubes and in the form of its organic derivatives as shift reagents in NMR spectroscopy. [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID23981
CHEBI ID32999
MeSH IDM0007958

Synonyms (40)

Synonym
EU ,
europium
europium atom
63eu
CHEBI:32999
europio
7440-53-1
europium ion
unii-444w947o8o
einecs 231-161-7
444w947o8o ,
europium, elemental
europium [mi]
OGPBJKLSAFTDLK-UHFFFAOYSA-N
DTXSID3064695 ,
europium rod, 9.52 mm (0.375in) dia
europium foil, 0.25mm (0.01in) thick
mfcd00010992
europium ingot
AKOS028110013
europium, powder, 1g, max. particle size 250micron, 99.9%
europium, foil, 50x50mm, thickness 0.1mm, as rolled, 99.95%
europium, wire reel, 200mm, diameter 1.0mm, hard, 99.95%
europium, foil, 25x25mm, thickness 0.1mm, as rolled, 99.95%
europium, wire reel, 50mm, diameter 1.0mm, hard, 99.95%
europium, wire reel, 100mm, diameter 1.0mm, hard, 99.95%
europium sputtering target, 50.8mm dia x 1.59mm thick
europium sputtering target, 76.2mm dia x 1.59mm thick
Q1396
AMY22272
europium metal organic framework
ultra thin europium nanofoil
europium metal-organic framework
europium (iii) hydride
europium dihydride
europium metallicum
dtxcid0047660
europium standard: eu @ 10000 microg/ml in 5% hno3
europium standard: eu @ 1000 microg/ml in 5% hno3
europium - eu @ 1000 microg/ml in 5% hno3

Research Excerpts

Overview

Europium is shown to be a good anomalous scatterer in SAD phasing for solving the structure of biological macromolecules. Europium (EU) is a fluorescent, non-radioactive metal.

ExcerptReferenceRelevance
"Europium is a lanthanide metal that is highly valued in optoelectronics. "( Multidimensional genome-wide screening in yeast provides mechanistic insights into europium toxicity.
Abergel, RJ; An, DD; Bjornstad, KA; Faulkner, D; Hébert, S; Loguinov, A; Pallares, RM; Proctor, M; Rosen, CJ; Villalobos, JA; Vulpe, C, 2021
)
2.29
"Europium is shown to be a good anomalous scatterer in SAD phasing for solving the structure of biological macromolecules. "( Use of europium ions for SAD phasing of lysozyme at the Cu Kα wavelength.
Velmurugan, D; Vijayakumar, B, 2013
)
2.29
"Europium (EU) is a fluorescent, non-radioactive metal that is a sensitive and stable marker."( A new method for measuring blood-brain barrier permeability demonstrated with Europium-bound albumin during experimental lipopolysaccharide (LPS) induced meningitis in the rat.
Ivey, NS; Martin, EN; Nathan, BR; Scheld, WM, 2005
)
1.28

Effects

Europium has been used as a label in immunoassays as it can be measured with high sensitivity by means of time-resolved fluorometry. The europium complex has proved to be an efficient UV filter with a low cyto- and phototoxic profile.

ExcerptReferenceRelevance
"The europium complex has proved to be an efficient UV filter with a low cyto- and phototoxic profile and therefore represents a potential candidate for use in sunscreen formulations."( Photoprotective properties of the fluorescent europium complex in UV-irradiated skin.
Lademann, J; Lange-Asschenfeldt, B; Meinke, MC; Rancan, F; Schanzer, S; Sterry, W; Stockfleth, E; Vogt, O, 2013
)
1.13
"Europium has been used as a non-radioactive marker in immunoassays as this metal can be detected with high sensitivity by time-resolved fluorometry. "( Sensitive detection of genes by sandwich hybridization and time-resolved fluorometry.
Dahlén, P; Hurskainen, P; Kwiatkowski, M; Lövgren, T; Söderlund, H; Sund, C; Syvänen, AC; Ylikoski, J, 1987
)
1.72
"Europium has been used as a label in immunoassays as it can be measured with high sensitivity by means of time-resolved fluorometry. "( Detection of biotinylated DNA probes by using Eu-labeled streptavidin and time-resolved fluorometry.
Dahlén, P, 1987
)
1.72

Toxicity

Mice were fed different levels of scandium, chromium, lanthanum, samarium, europium, dysprosium, terbium, thulium, and ytterbium oxides for three generations. In the present study, we have synthesized euroPium doped NaYF4 nanoparticles with three diameters.

ExcerptReferenceRelevance
" In order to evaluate possible toxic effects of scandium, chromium, lanthanum, samarium, europium, dysprosium, terbium, thulium, and ytterbium oxides, and barium sulfate upon growth, general development, reproduction, and lactation, mice were fed different levels of these compounds for three generations."( Studies of nutritional safety of some heavy metals in mice.
Gray, DH; Hutcheson, DP; Luckey, TD; Venugopal, B, 1975
)
0.48
" A cytotoxicity test by using DU145 cells showed that D-glucuronic acid coated Eu(OH)3 nanorods are not toxic up to 100 microM, making them a promising candidate for biomedical applications such as fluorescent imaging."( Surface coated Eu(OH)3 nanorods: a facile synthesis, characterization, MR relaxivities and in vitro cytotoxicity.
Ahmad, MW; Bae, JE; Baeck, JS; Bony, BA; Chae, KS; Chang, Y; Heo, WC; Jeong, JY; Jin, S; Kattel, K; Kim, CR; Kim, TJ; Lee, GH; Park, JY; Tegafaw, T; Xu, W, 2013
)
0.39
" In conclusion, the toxic effects of our nanoprobes may mainly result from the aggregation of particles in phagosomes."( In vivo immunotoxicity of SiO2@(Y0.5Gd0.45Eu0.05)2O3 as dual-modality nanoprobes.
Chen, X; He, F; Li, E; Peng, Y; Tian, X; Yang, F; Zhu, J, 2014
)
0.4
" In the present study, we have synthesized europium doped NaYF4 (NaYF4:Eu(3+)) nanoparticles with three diameters and used endothelial cells (ECs) as a cell model to explore the potential toxic effect."( Size-dependent cytotoxicity of europium doped NaYF ₄ nanoparticles in endothelial cells.
Chen, S; Duan, J; Jia, G; Wang, S; Zhang, C; Zhang, J, 2014
)
0.95
"In case of the release of lanthanides and actinides into the environment, knowledge about their behavior in biological systems is necessary to assess and prevent adverse health effects for humans."( Interaction of Eu(III) with mammalian cells: Cytotoxicity, uptake, and speciation as a function of Eu(III) concentration and nutrient composition.
Bernhard, G; Bok, F; Heller, A; Sachs, S; Weiss, S, 2015
)
0.42
" Marked toxic effects were observed in animals treated with cisplatin alone, while treatment with the nanoparticles functionalized with cisplatin showed no toxicity."( Europium(III)-doped yttrium vanadate nanoparticles reduce the toxicity of cisplatin.
de Oliveira, PF; de Souza, LDR; Ferreira, NH; Furtado, RA; Magalhães, GM; Miura, BA; Nassar, EJ; Neto, FR; Ozelin, SD; Ribeiro, AB; Tavares, DC, 2018
)
1.92
"Cadmium (Cd) is a common heavy metal that causes major environmental pollution with adverse effects on human health and well-being."( Attenuation of cadmium-induced vascular toxicity by pro-angiogenic nanorods.
Chatterjee, S; Nethi, SK; Patra, CR; Raval, M; Roy, A; Suganya, N, 2020
)
0.56

Compound-Compound Interactions

ExcerptReferenceRelevance
" Excitation-emission matrix (EEM) fluorescence spectrometry was used in combination with parallel factor analysis (PARAFAC) to obtain four WEOM components: fulvic-like, humic-like, microbial degraded humic-like, and protein-like substances."( Evaluation of the Interactions between Water Extractable Soil Organic Matter and Metal Cations (Cu(II), Eu(III)) Using Excitation-Emission Matrix Combined with Parallel Factor Analysis.
Chen, M; Han, L; Song, J; Wei, J, 2015
)
0.42

Bioavailability

ExcerptReferenceRelevance
" This specific reaction may contribute to low europium bioavailability and renal function disturbances."( Distribution, elimination, and renal effects of single oral doses of europium in rats.
Kimura, M; Kitamura, Y; Kono, K; Kurita, A; Nakayama, S; Ohnishi, K; Sugiura, Y; Tsuda, Y; Usuda, K, 2011
)
0.86
" Very high specific absorption rate up to 100 W g(-1) could be achieved."( Bi-functional properties of Fe3O4@YPO4:Eu hybrid nanoparticles: hyperthermia application.
Jadhav, N; Juluri, RR; Ningthoujam, RS; Pandey, BN; Parchur, AK; Prasad, AI; Vatsa, RK, 2013
)
0.39
"A structurally controllable fluorescence-labeled hollow mesoporous carbon (HMC) was simply prepared to improve the oral bioavailability of insoluble drugs and further trace their delivery process in vivo."( A Eu(3+)/Gd(3+)-EDTA-doped structurally controllable hollow mesoporous carbon for improving the oral bioavailability of insoluble drugs and in vivo tracing.
Cui, Y; Gao, Y; Liu, J; Wang, S; Yue, Y; Zhao, Q; Zhao, Y, 2016
)
0.43

Dosage Studied

Highly emissive europium complexes with specific endoplasmic reticulum localization potential. Fast uptake, long resident lifetime, low dosage requirement, low cytotoxicity and highly emissives two-photon induced f-f emission imaging.

ExcerptRelevanceReference
" We report the glow curve and dose-response characteristics to 60Co gamma rays."( Dosimetric properties of europium-doped potassium bromide thermoluminescent crystals.
Brandan, ME; Buenfil, AE, 1992
)
0.59
" In the rats of each sex dosed at 200 and 1000 mg/kg, the body weight gain significantly decreased because of reduction in food consumption."( Toxicity study of europium chloride in rats.
Chiba, M; Hirose, A; Inaba, Y; Kamata, E; Kaneko, T; Naito, K; Ogawa, Y; Ono, A; Saito, M; Suzuki, S, 1995
)
0.63
" The proposed method was applied for the determination of EDTA in certain pharmaceutical dosage forms, and the results obtained were in agreement with those obtained by a reference method."( Polarographic determination of EDTA in certain pharmaceutical dosage forms.
Aly, FA; Belal, F; Mesbah, AO; Walash, MI, 1998
)
0.3
"Highly emissive europium complexes with specific endoplasmic reticulum localization potential includes several advantages such as fast uptake, long resident lifetime, low dosage requirement, low cytotoxicity and highly emissive two-photon induced f-f emission imaging."( A two-photon europium complex as specific endoplasmic reticulum probe.
Law, GL; Man, CW; Tsao, SW; Wong, KL; Wong, WT, 2009
)
1.07
" They demonstrate the ability of these multiplexed assays to characterize selective kinase inhibitors in a dose-response mode, with no difference in results obtained from traditional single kinase assays performed separately."( Multiplexing terbium- and europium-based TR-FRET readouts to increase kinase assay capacity.
Horton, RA; Vogel, KW, 2010
)
0.66
" Furthermore, the shape and size of the products can be further manipulated by adjusting the dosage of Cit(3-) and pH values in the initial solution."( Highly uniform and monodisperse GdOF:Ln3+ (Ln = Eu, Tb, Tm, Dy, Ho, Sm) microspheres: hydrothermal synthesis and tunable-luminescence properties.
Cheng, Z; Geng, D; Kang, X; Li, X; Lian, H; Lin, J; Shang, M; Wu, Y; Zhang, Y, 2013
)
0.39
" Unlike UC nanocrystals previously reported in the literature with multicolor emission obtained by varying the rare-earth dopants, the current work developed a new approach to tune the UC emission color by controlling the NaF concentration without changing the ratio and dosage of rare-earth ions."( Controllable multicolor upconversion luminescence by tuning the NaF dosage.
Li, H; Wang, L, 2014
)
0.4
" The dosage of HAP-based PRB for the remediation of groundwater polluted by Eu(III) and analogous trivalent actinides [e."( Uptake Mechanisms of Eu(III) on Hydroxyapatite: A Potential Permeable Reactive Barrier Backfill Material for Trapping Trivalent Minor Actinides.
Chai, Z; Chen, L; Diwu, J; Liu, W; Wang, J; Wang, S; Xu, L; Yang, S; Zhang, L; Zheng, T, 2016
)
0.43
" Detection limit of Tb/Eu@bio-MOF-1 for DPA was 34nM, which was much lower than an infectious dosage of Bacillus anthracis spores (60μM) for human being."( Rapid and facile ratiometric detection of an anthrax biomarker by regulating energy transfer process in bio-metal-organic framework.
Li, B; Ma, H; Zhang, L; Zhang, Y; Zheng, Y, 2016
)
0.43
" More precise and more sensitive immunoassays are needed to facilitate continuous monitoring of thyroid dysfunctions and to assess the efficacy of the selected therapy and dosage of medication."( Super-sensitive time-resolved fluoroimmunoassay for thyroid-stimulating hormone utilizing europium(III) nanoparticle labels achieved by protein corona stabilization, short binding time, and serum preprocessing.
Hänninen, PE; Lamminmäki, U; Näreoja, T; Rosenholm, JM, 2017
)
0.68
" By controlling the dosage of the europium modification, we can adjust the nitrogen defect content to reduce the energy gap and improve the CL performance."( Europium-Functionalized Graphitic Carbon Nitride for Efficient Chemiluminescence Detection of Singlet Oxygen.
Bai, Q; Gou, J; Liu, H; Xiao, X; Zhou, Y, 2023
)
2.63
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Drug Classes (2)

ClassDescription
lanthanoid atom
f-block element atom
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Research

Studies (2,827)

TimeframeStudies, This Drug (%)All Drugs %
pre-1990254 (8.98)18.7374
1990's223 (7.89)18.2507
2000's737 (26.07)29.6817
2010's1289 (45.60)24.3611
2020's324 (11.46)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 75.63

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index75.63 (24.57)
Research Supply Index7.99 (2.92)
Research Growth Index4.95 (4.65)
Search Engine Demand Index135.56 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (75.63)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials5 (0.17%)5.53%
Reviews35 (1.19%)6.00%
Case Studies2 (0.07%)4.05%
Observational1 (0.03%)0.25%
Other2,906 (98.54%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]