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A Copper-based Supramolecular Nanocapsule that Enables Straightforward Purification of Sc_3N-based Endohedral Metallofullerene Soots

机译:一种基于铜的超分子纳米胶囊,可以直接纯化Sc_3N的胚乳金属蛋白酶烟灰

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摘要

A self-assembled CuII-based nanocapsule enables efficient and straightforward isolation of Sc_3N@C_(80) from arc-processed raw soot. The newly designed Cu~(II)-based supramolecular nanocapsule 5·(OTf)_8 was used to effectively entrap fullerenes and endohedral metallofullerenes (EMFs) with different affinities depending on their size and shape. Moreover, we took advantage of the sharply different entrapment abilities of the 5·(OTf)_8 cage in the solid state versus in solution to encapsulate all the species with the exception of Sc_3N@C_(80) (both I_h and D_(5h) isomers), which remains pure in solution. HPLC quantification determined that up to 85% of the total Sc_3N@C_(80) content in the initial mixture was recovered in very high purity (>99.5 %). The complete release of the encapsulated species with an orthogonal solvent-washing strategy regenerates 5·(OTf)_8 ready to be re-used. This approach opens new opportunities for EMFs purification.
机译:自组装的CuII基纳米胶囊可以从弧形加工的原料烟灰实现SC_3N @ C_(80)的高效和直接隔离。 基于新设计的Cu〜(II)的超分子纳米胶囊5·(OTF)_8,以有效地捕获富勒烯和胚乳金属霉菌(EMF),这取决于其尺寸和形状。 此外,我们利用了5·(OTF)_8笼中的急剧封闭能力在固态与解决方案中,以封装所有物种,除了SC_3N @ C_(80)(i_h和d_(5h)。 异构体),其在溶液中保持纯净。 HPLC定量确定初始混合物中的高达85%的总SC_3N @ C_(80)含量在非常高的纯度(> 99.5%)中回收。 用正交溶剂洗涤策略再生5·(OTF)_8准备重新使用的包封物质的完全释放。 这种方法为EMFS净化开辟了新的机会。

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  • 来源
    《Chemistry: A European journal》 |2017年第15期|共5页
  • 作者单位

    Institut de Química Computatcional i Cat/lisi (IQCC) and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia (Spain);

    Institut de Química Computatcional i Cat/lisi (IQCC) and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia (Spain);

    Department of Chemistry University of Texas at El Paso 500 West University Avenue El Paso Texas 79968 (USA);

    Institut de Química Computatcional i Cat/lisi (IQCC) and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia (Spain);

    Department of Chemistry University of Texas at El Paso 500 West University Avenue El Paso Texas 79968 (USA);

    Institut de Química Computatcional i Cat/lisi (IQCC) and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia (Spain);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    copper; fullerenes; scandium nitride; soot purification; supramolecular nanocapsules;

    机译:铜;富勒烯;氮化钪;烟灰纯化;超分子纳米胶囊;

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