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Expression, Solubilization, and Purification of Eukaryotic Borate Transporters
Published on: March 7, 2019
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Stabilizing γ-Alkyltin-Oxo Keggin Ions by Borate Functionalization
Yu Zhu1, Morgan Rose Olsen2, May Nyman2
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter (FJIRSM) , Chinese Academy of Sciences , Fuzhou , Fujian 350002 , P. R. China.
Inorganic Chemistry
|March 19, 2019
Summary
Researchers engineered tin-oxo clusters into a single-layer film. Borate functionalization stabilized specific cluster isomers, paving the way for advanced microelectronic devices.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Nanotechnology
Background:
- Butyltin Keggin ions are known, but their isomer interconversion can be problematic.
- Controlling the structure of tin-oxo clusters is crucial for advanced applications.
Purpose of the Study:
- To engineer hierarchical self-assembly of tin-oxo clusters.
- To investigate the effect of borate ligands on cluster stability and assembly.
- To develop a precursor for nanopatterned films in microelectronics.
Main Methods:
- Single-crystal X-ray diffraction for structural determination.
- Solution characterization: small-angle X-ray scattering, electrospray ionization mass spectrometry, and multinuclear NMR (119Sn, 13C, 1H).
- Langmuir-Blodgett monolayer formation.
Main Results:
- Hierarchical self-assembly from nanosized clusters to a single-layer film was achieved.
- Borate functionalization of butyltin Keggin ions inhibited isomer interconversion, favoring the gamma isomer.
- Stable gamma-NaSn14BO3 clusters were synthesized and characterized.
Conclusions:
- Borate capping provides a route to stabilize specific tin-oxo cluster isomers.
- The self-assembly into a Langmuir-Blodgett monolayer is a key step towards nanopatterned films.
- This work advances the development of materials for microelectronic devices.
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