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In this work, gold nanospheres functionalized with low weight organic molecules (4-aminothiphenol and cysteamine) were synthesized in a one-step method for their in vitro cytotoxic evaluation on HeLa cells. To enhance the biocompatibility of the cysteamine-capped GNPs, BSA was used due to its broad PH stability and high binding affinity to gold nanoparticles. Besides, the widely reported silica coated...
We report a simple fabrication of SERS substrates, using active concave gold nanocubes deposited by drop casting onto the surface of an APTS-functionalized electrochemical polished aluminum slide (Al-6063 Alloy). The SERS substrate was examined by means of scanning electron microscopy, and it showed that the gold nanocubes formed more than one monolayer and they were randomly oriented on the aluminum...
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