Unusual dependence of particle architecture on surfactant concentration in partially fluorinated decylpyridinium templated silica

Article Abstract:

Porous silica particles are prepared with different concentrations of the fluorinated cationic surfactant 1-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10)-heptadecafluorodecyl)pyridinium chloride(HFDePC) to trace the changes in the pore structure and particle morphology as the surfactant concentration increases. Fluorinated surfactants have begun to be explored as templates for synthesis of nanoporous ceramics because of their unusual self-assembly behavior.

Cyclic Crude and Intermediate Manufacturing, Pyridine, Porous materials

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Silica-coated CdTe quantum dots functionalized with thiols for bioconjugation to IgG proteins

Article Abstract:

Silica shells are grown on water-soluble CdTe quantum dots (QDs) and the surface is decorated with thiol and poly(ethylene glycol) (PEG) groups for use in bioconjunction. The functionalized, silica-capped QDs are ideal labels, easily synthesized and readily conjugated to biomolecules while maintaining bioactivity and they are potentially useful for a number of applications in biolabeling and imaging.

All Other Basic Organic Chemical Manufacturing, Mercaptans, Cadmium Compounds, Chemical synthesis, Thiols

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Are hydroxyl-containing biomolecules important in biosilicification? A model study

Article Abstract:

The theoretical and experimental studies of silica formation are conducted utilizing biological and model organic additives to understand the roles of hydroxyl-containing biomolecules in biosilicification. The results demonstrate that in aqueous systems, the effect of hydroxyl-containing additives is negligible.

Science & research, Basic Chemical Manufacturing, Organic Chemicals, Silicon Dioxide, Research, Organic compounds, Biomolecules

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