Volume-6 , Issue-1 , Feb 2019, ISSN 2455-3174 (Online) Go Back

• Open Access   Article

  Enhanced antimicrobial activity of Zinc oxide nanoparticles with controled particle size by current density.

  M.A. Al-Hubaishi, S. Gaikwad, A.S. Rajbhoj

  Research Paper | Isroset-Journal (IJSRCS)

  Vol.6 , Issue.1 , pp.1-9, Feb-2019

  CrossRef-DOI:   https://doi.org/10.26438/ijsrcs/v6i1.19

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  Abstract
  In this study, it was found that by using electrochemical reduction method, the current density have played important role in controlling size and shape of ZnO nanoparticles. Where it were synthesized at 9 and 18 mA /cm2. The results of charaterization indicated metallic nature and absorption peak in the UV region. FTIR and EDX confirmed formation of ZnO and removing of capping agent after calcination , XRD, FESEM and HRTEM showed that size of ZnO nanoflower and nanosheets to be 46.54 nm and 37.3 nm at 9 and 18 mA /cm2 respectively. ZnO NPs is pure and polycrystalline with a hexagonal wurtzite phase. The in vitro antibacterial properties of two synthesized ZnO NPs against two types of bacteria; Gram-postive(staphylococcus aureus) and Gram-negtive(xanthomonas) were examined by diffusion method. It was noticed that the smallest-sized ZnO NPs demonstrated a better antibacterial activity against both bacterial strains as compared to the larger ZnO NPs, the inhibitory effect of ZnO NPs increased with the increase in concentration of ZnO NPs.

  Key-Words / Index Term
  electrochemical reduction method, current density, ZnO NPs, particle size, Tetrabutyl ammonium bromide, antimicrobalactivity

  References
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  Citation
  M.A. Al-Hubaishi, S. Gaikwad, A.S. Rajbhoj, "Enhanced antimicrobial activity of Zinc oxide nanoparticles with controled particle size by current density.," International Journal of Scientific Research in Chemical Sciences, Vol.6, Issue.1, pp.1-9, 2019

• Open Access   Article

  Layered double hydroxides as effective adsorbents for the removal of lead from contaminated water

  Dinamani Muthaiah

  Research Paper | Isroset-Journal (IJSRCS)

  Vol.6 , Issue.1 , pp.10-15, Feb-2019

  CrossRef-DOI:   https://doi.org/10.26438/ijsrcs/v6i1.1015

  Abstract

  Full-Text HTML

  References

  Citation

  Abstract
  Layered double hydroxides have fascinated materials chemists due to their wide variety of applications in various fields. The unique property of layered double hydroxides is their interlayer spacing that entertains the intercalation and deintercalation of a variety of anionic species. A wide variety of organic anions have been intercalated into the interlayer galleries of layered double hydroxides and used for desirable applications. This article focuses on the utilization of ethylene diamine tetra acetic acid intercalated layered double hydroxides for the removal of toxic Lead ions from contaminated water.

  Key-Words / Index Term
  Layered double hydroxides,Ion exchange, Sorbents, Lead contamination

  References
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  Citation
  Dinamani Muthaiah, "Layered double hydroxides as effective adsorbents for the removal of lead from contaminated water," International Journal of Scientific Research in Chemical Sciences, Vol.6, Issue.1, pp.10-15, 2019