Biomimetic templating of porous lamellar silicas by vesicular surfactant assemblies

Science

Volumn 271, Issue 5253, 1996, Pages 1267-1269

  Tanev, Peter T ^a   Pinnavaia, Thomas J ^a  

^a MICHIGAN STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 1842283530     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.271.5253.1267     Document Type: Article

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27. 29Si MAS NMR spectra were obtained on a solid-state Varian VRX 400 NMR spectrometer at 79.5 MHz using 7-mm zirconia rotors, a pulse delay of 800 s, and a sample spinning frequency of 4 kHz. The chemical shifts were referenced to tetramethylsilane.
28. Supported in part by NSF grant CHE-9224102. We thank E Prouzet for useful discussions, and J. Wood and C Fegler for technical assistance with ultrathin sectioning and darkroom techniques.