4.6 Article

Synthesis of functionalized Cu:ZnS nanosystems and its antibacterial potential

期刊

ARABIAN JOURNAL OF CHEMISTRY
卷 12, 期 4, 页码 515-524

出版社

ELSEVIER SCIENCE BV
DOI: 10.1016/j.arabjc.2016.05.002

关键词

Cu:ZnS; MSA; Sodium citrate; Solvotherinal; zeta potential; Antibacterial property

资金

  1. DBT, Govt. of India [BT/427/NE/TBP/2013, BT/258/NE/TBP/2011]
  2. UGC, India [TU/Fin/MBBT/116/05/11-12/64, F. 3-1/2015/DRS-II (SAP-II)]
  3. DBT Strengthening Grant [BT/HRD/01/02/2007]

向作者/读者索取更多资源

Copper doped Zinc Sulfide (Cu:ZnS) nanoparticles were synthesized as potential antibacterial agents, through a solvothermal approach using Mercaptosuccinic acid (MSA) and Sodium citrate (SC) as differential capping agents. Multiple variants of the Cu:ZnS nanoparticles were generated based on the refluxing intervals of the reactions and a choice of the capping agents. The microstructural properties and the elemental composition of the synthesized nanosystems were examined using Scanning Electron Microscopy (SEM) and powder X-ray Diffraction (XRD), along with Energy-Dispersive X-ray spectroscopy (EDX) and Microwave Plasma-Atomic Emission Spectroscopy (MP-AES). The as-synthesized nanosystems were also characterized for their surface attributes using Fourier Transform Infrared spectroscopy (FT-IR), while the optical properties were studied using UV-Vis spectroscopy. The electrostatic stability of the aqueous dispersions of Cu: ZnS was studied as a function of their solvent pH, using Photon Correlation Spectroscopy. For the assessment of the antibacterial properties of the different variants of Cu:ZnS nanosystems, the disk diffusion assay was performed against both Gram-positive and Gram-negative bacteria. The results show a promising antibacterial activity for the Cu:ZnS variants synthesized, with a prominent activity in the MSA@Cu:ZnS nanoparticle making them a novel class of potential antibacterial agents. (C) 2016 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University.

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