Nitric oxide (NO)-release in blood serum initiated by gold nanoparticles has been prove to be a reaction between RSNO and the gold nanoparitcles. In this reaction the NO production was catalyzed on the surface of the nanoparticles, and a new bond of Au-thiolate was simultaneously formed.
We report a new approach to produce macroporous ( approximately 110 nm in diameter) ordered siliceous foams (MOSF) by using block copolymers as templates in the absence of any organic cosolvent. The fine three-dimensional honeycomb structure of MOSF was determined by electron tomography. A formation mechanism of MOSF that spans from the atomic to macroscopic scale is proposed, which involves the cooperative self-assembly of unilamellar vesicles followed by the supra-assembly of vesicles. The fusion of soft vesicles finally leads to MOSF with well-ordered and defined honeycomb structures.
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