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Silica Nano Test Tubes
  
     
                     
   
 
 
Scanning electron micrographs of silica nano test tubes corked with the anion-aldehyde nanoparticles. A. Membrane surface after corking and extensive washing to remove non-covalently bound nanoparticles. B. Liberated corked nano test tubes obtained by dissolving the alumina template in 5% H3PO4. C. Higher magnification image of the liberated assemblies. The scale bar represents 500 nm in all cases.
  
     
                   
                     
       
University of Florida, Department of Chemistry
PO Box 117200
Gainesville, FL 32611