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Identification of nanoparticles in lysine−silica mixtures by SAXS analysis and cryo-TEM (see image) is reported. Initial stages of formation mimic that for tetrapropylammonium− and other alkylammonium−silica nanoparticles. The tunable porosity and morphology of thin films and gels synthesized from these sols have potential implications for novel biocompatible silicates and nanocomposites.
Davis et al. (Wed,) studied this question.