Silicon DioxideSilica GelSiliconHafniumDielectric SpectroscopySilicon CompoundsNanomedicineNanoparticlesGelsCarbon DioxideChromatography, Thin LayerCarbon Compounds, InorganicNitrogen DioxideNanowiresSulfur DioxideChromatography, High Pressure LiquidFermentationSilanesPorosityPhysicochemical PhenomenaChemistry, PhysicalSurface PropertiesSilicosisStreptomycesAdsorptionSpectrophotometry, InfraredSilicic AcidOrganosilicon CompoundsSemiconductorsMolecular StructureNanotechnologyMagnetic Resonance SpectroscopyBenzylammonium Compounds