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Preparative Mass Spectrometry Using a Rotating-Wall Mass Analyzer.
Su, Pei; Hu, Hang; Unsihuay, Daisy; Zhang, Di; Dainese, Tiziano; Diaz, Rosa E; Lee, Jongsu; Gunaratne, Don K; Wang, Haiyan; Maran, Flavio; Mei, Jianguo; Laskin, Julia.
Afiliación
  • Su P; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
  • Hu H; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
  • Unsihuay D; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
  • Zhang D; School of Materials Engineering, Purdue University, 701 W. Stadium Avenue, West Lafayette, IN, 47907, USA.
  • Dainese T; Department of Chemistry, University of Padova, 1, Via Marzolo, Padova, 35131, Italy.
  • Diaz RE; Birck Nanotechnology Center, Discovery Park, Purdue University, 1205 W. State St., West Lafayette, IN, 47907, USA.
  • Lee J; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
  • Gunaratne DK; Physical Science Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, WA, 99352, USA.
  • Wang H; School of Materials Engineering, Purdue University, 701 W. Stadium Avenue, West Lafayette, IN, 47907, USA.
  • Maran F; School of Electrical and Computer Engineering, Purdue University, 465 Northwestern Avenue, West Lafayette, IN, 47907, USA.
  • Mei J; Department of Chemistry, University of Padova, 1, Via Marzolo, Padova, 35131, Italy.
  • Laskin J; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA.
Angew Chem Int Ed Engl ; 59(20): 7711-7716, 2020 05 11.
Article en En | MEDLINE | ID: mdl-32109333
The design of functional interfaces is central to both fundamental and applied research in materials science and energy technology. We introduce a new, broadly applicable technique for the precisely controlled high-throughput preparation of well-defined interfaces containing polyatomic species ranging from small ions to nanocrystals and large protein complexes. The mass-dispersive deposition of ions onto surfaces is achieved using a rotating-wall mass analyzer, a compact device which enables the separation of ions using low voltages and has a theoretically unlimited mass range. We demonstrate an efficient deposition of singly charged Au144 (SC4 H9 )60 ions (33.7 kDa), which opens up exciting opportunities for the structural characterization of nanocrystals and their assemblies using transmission electron microscopy. Our approach also enables the high-throughput deposition of mass-selected ions from multicomponent mixtures, which is of interest to the controlled preparation of surface gradients and rapid screening of molecules in mixtures for a specific property.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania