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The fuller-serine was synthesized and then dissolved in the organic solvent and then the nanoparticle aqueous suspension of fuller-serine was prepared. The nanoparticle sizes and Zeta-potentials were obtained by TEM and a Zeta-patential instrument, respectively. The results indicated that the aqueous nano-particle suspensions were rather considerably stable with homogeneous size. The free radicals...
Nano-particulate biomaterials have been used in clinical diagnosis and treatment, as drug carrier or in cosmetics because of their excellent performance properties. The toxicity and biocompatibility of nanoparticles (NPs), however, are always a focused concern for a doctor or a scientist. At present, there is almost no systemic evaluation standard or testing methods of safety for nanoparticles. In...
Wear-debris particles from ultrahigh molecular weight polyethylene (UHMWPE) and metals has been implicated in periprosthetic osteolysis and cellular response to them depend on their size and dose. Response to larger particles has been previously studied, but there are no specific studies examining biological response to simultaneous administration of both UHMWPE and Ti particles less than 0.2??m in...
Aerobic denitrifying bacterial strains were loaded by nano Fe3O4 and applied to deal with actual living wastewater. The optimum conditions and treatment effects of free bacterial strains and immobilized bacterial strains were compared. The optimum treatment conditions of free bacterial strains for wastewater were pH6.8, 30degC and 2 days of incubation time. Those of immobilized bacterial strains were...
There is a broad application area for engineering nanoparticles (ENPs) in virtue of its special physical and chemical properties. ENPs bring a huge advance to development of human society, as well as the questions about whether the manufactured nanomaterials (MNMs) can cause disadvantages to organisms and environment. This paper analyzed the 24-h acute toxicity of water suspensions of the nanosized...
We report an effective method to synthesize gold nanorods with tunable longitudinal extinction peak wavelength from 781 to 955 nm depending on the amount of NaCl added. Those as-prepared gold nanorods are helpful for bioimaging.
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