278513
氧化钆(III)
powder, 99.9% trace metals basis
别名:
Digadolinium trioxide, Gadolinia, Gadolinium oxide, Gadolinium trioxide
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关于此项目
线性分子式:
Gd2O3
化学文摘社编号:
分子量:
362.50
EC 号:
MDL编号:
UNSPSC代码:
12352303
PubChem化学物质编号:
NACRES:
NA.23
质量水平
方案
99.9% trace metals basis
表单
powder
反应适用性
reagent type: catalyst
core: gadolinium
mp
2330 °C (lit.)
密度
7.407 g/mL at 20 °C (lit.)
SMILES字符串
O=[Gd]O[Gd]=O
InChI
1S/2Gd.3O
InChI key
RNYFGGMJZRTZKO-UHFFFAOYSA-N
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一般描述
氧化钆是稀土氧化物，以高热稳定性和独特磁性著称，适于各种高温应用。广泛用作固体激光的基质材料，掺杂钕或铒等稀土元素后可提高激光效率，发出通信和医疗用特定波长。它的纳米粒子因具有优异的生物相容性和提高图像分辨率的能力，可用作生物医学成像的MRI造影剂。
应用
氧化钆可掺入氧化锆增强固体氧化物燃料电池固体电解质的离子导电性。它可提高这类能源转化器件的性能和效率。它还可作为热障涂层组分，用于燃气涡轮发动机等高温应用。它的热稳定性和低导热性适于保护元件免遭极端温度损害。
警示用语：
Warning
危险声明
预防措施声明
危险分类
Eye Irrit. 2
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Magdiel Inggrid Setyawati et al.
Journal of biomedical materials research. Part A, 101(3), 633-640 (2012-08-29)
Engineered nanomaterials have become prevalent in our everyday life. While the popularity of using nanomaterials in consumer products continues to rise, increasing awareness of nanotoxicology has also fuelled efforts to accelerate our understanding of the ill effects that different nanomaterials
Taejong Paik et al.
ACS nano, 7(3), 2850-2859 (2013-02-26)
Here, we report the shape-controlled synthesis of tripodal and triangular gadolinium oxide (Gd2O3) nanoplates. In the presence of lithium ions, the shape of the nanocrystals is readily controlled by tailoring reaction parameters such as temperature and time. We observe that
A T M Anishur Rahman et al.
Contrast media & molecular imaging, 8(1), 92-95 (2012-10-31)
In this communication, we demonstrate that there is an optimum gadolinium oxide (Gd(2)O(3)) nanoparticle size of 2.3 nm; in the presence of Gd(2)O(3) particles smaller and larger than this critical size, the spin-lattice relaxation rate (T(1) = 1/r(1)) of water
Luc Faucher et al.
ACS applied materials & interfaces, 4(9), 4506-4515 (2012-07-28)
Ultrasmall paramagnetic Gd(2)O(3) nanoparticles have been developed as contrast agents for molecular and cellular preclinical MRI procedures. These small particles (mean diameter <5 nm) have the highest Gd density of all paramagnetic contrast agents. They generate strong positive contrast enhancement
Yasir Loai et al.
Molecular imaging, 11(2), 166-175 (2012-04-04)
Positive T₁ contrast using gadolinium (Gd) contrast agents can potentially improve detection of labeled cells on magnetic resonance imaging (MRI). Recently, gadolinium oxide (Gd₂O₃) nanoparticles have shown promise as a sensitive T₁ agent for cell labeling at clinical field strengths
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