Herein, we report the synthesis of copper nanoparticles at ambient conditions using biopolymer, pectin, as a protecting agent and hydrazine as a reducing agent.
A sunlight-induced synthesis of silver nanoparticles using β-sitosterol-d-glucopyranoside, a bio-surfactant isolated from the Indian sacred grass Desmostachya bipinnata.
Reaction. -Copper nanoparticles are synthesized at ambient conditions from aqueous suspensions of CuCl 2, pectin as a capping agent, N2H4 as a mild reducing agent, and NH 3 solution (open air, 3 h). The samples are characterized by XRD, TEM, and UV/VIS spectroscopy. The copper nanoparticles catalyze the reduction of nitroaromatic compounds in aqueous solution and the C-N cross coupling of amines with bromobenzene in good yields. In addition, they display promising antibacterial activity, as good as ofloxacin and kanamycin. The nanomaterial has potential to be used in the fields of nanomedicine and catalysis. -(VENKATAKRISHNAN, S.; VEERAPPAN, G.; ELAMPARUTHI, E.; VEERAPPAN*, A.; RSC Adv. 4 (2014) 29, 15003-15006, http://dx.
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