摘要:
The invention concerns hybrid nanoparticles containing: a nanosphere, of mean diameter included in the range from 2 to 9 nm, of which at least 90% by weight consists of Ln2O3 where Ln represents a rare earth, optionally doped with a rare earth or an actinide, or a mixture of rare earths, or a rare earth and actinide mixture, in which at least 50% of the metal ions are rare earth ions, a coating around the nanosphere chiefly consisting of functionalized polysiloxane, having a mean thickness included in the range from 0.5 to 10 nm, preferably greater than 2 nm and no more than 10 nm, and at least one biological ligand grafted by covalent bonding to the polysiloxane coating and their method of preparation.
摘要翻译:本发明涉及包含纳米球的混合纳米颗粒,其平均直径包括在2至9nm的范围内,其中至少90重量%由Ln 2 O 3 3 / >其中Ln表示稀土,任选地掺杂有稀土或锕系元素,稀土或稀土和锕系混合物的混合物,其中至少50%的金属离子是稀土离子,涂层 围绕主要由官能化聚硅氧烷组成的纳米球,其平均厚度包括在0.5至10nm,优选大于2nm且不大于10nm的范围内,以及至少一种通过共价键接枝至聚硅氧烷涂层的生物配体,以及 他们的准备方法。
摘要:
The invention concerns hybrid nanoparticles containing: a nanosphere, of mean diameter included in the range from 2 to 9 nm, of which at least 90% by weight consists of Ln2O3 where Ln represents a rare earth, optionally doped with a rare earth or an actinide, or a mixture of rare earths, or a rare earth and actinide mixture, in which at least 50% of the metal ions are rare earth ions, a coating around the nanosphere chiefly consisting of functionalized polysiloxane, having a mean thickness included in the range from 0.5 to 10 nm, preferably greater than 2 nm and no more than 10 nm, and at least one biological ligand grafted by covalent bonding to the polysiloxane coating and their method of preparation.
摘要翻译:本发明涉及包含纳米球的混合纳米颗粒,其平均直径包括在2至9nm的范围内,其中至少90重量%由Ln 2 O 3组成,其中Ln表示稀土,任选地掺杂有稀土或锕系元素 ,或稀土或稀土和锕系混合物的混合物,其中至少50%的金属离子是稀土离子,主要由官能化聚硅氧烷组成的纳米球周围的涂层,其平均厚度包括在该范围内 0.5至10nm,优选大于2nm且不超过10nm,以及至少一种通过与聚硅氧烷涂层共价键接枝的生物配体及其制备方法。
摘要:
Bead comprising at least two non-agglomerated solid nanoparticles of core structure comprising only a solid core, or of core-shell structure comprising a solid core surrounded by a solid envelope or shell made up of an inorganic material, said nanoparticles being coated with a non-porous metal oxide.Process for preparation of the said bead.Material such as glass, a crystal, a ceramic or a polymer containing said beads.