Wet chemistry methods are used to prepare the SiO2/Au nanoshells. The purpose of this research was to synthesize gold coated SiO2 nanoshells for biomedical applications. Tunable nanoshells were prepared by using different colloidal concentrations. The nanoshells are characterized by FTIR, XRD, UV-Vis spectroscopy and atomic force microscopy (AFM). The FTIR results confirmed the functionalizatio...

background: recently, some new nanobiosensors using different nanoparticles or microarray systems for detection of mycotoxins have been designed . however, rapid, sensitive and early detection of aflatoxicosis would be very helpful to distinguish high-risk persons.objectives: we report a highly sensitive competitive immunoassay using magnetic/silica core shell as a signal intensifier for the de...

in this study, a specific ch4 sensor is fabricated based on interdigitated electrode that modified with core-shell of tungsten carbide/tin oxide (wc/sno2) nanoparticles by wet chemical method in different percents of carbon and tungsten. the morphology of wet chemical-synthesized wc/sno2 core-shell was evaluated by different methods such as patterned x-ray diffraction (xrd), and particle size a...