Histidine-Capped ZnO Nanoparticles: An Efficient Synthesis, Spectral Characterization and Effective Antibacterial Activity (English)

In: BioNanoScience   ;  5 ,  3  ;  123-134  ;  2015

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Abstract In this article, an efficient synthesis of histidine-capped ZnO nanoparticles was carried out in absolute ethanol by using solvothermal technique. The synthesized nanoparticles were further characterized by using different techniques such as powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDAX), Fourier transfer infrared (FTIR), UV-visible spectroscopy, thermal analysis (TG/DTG/DTA) and photoluminescence spectroscopy. The XRD measurement reveals that the prepared nanoparticles have hexagonal wurtzite structure. From XRD data, the average crystalline size is calculated to be 22 nm according to half width of (1 0 1) diffraction peak using Debye-Scherrer formula. Moreover, the antibacterial activities of nanoparticles sample have been performed under standard method. The antibacterial activities of histidine-capped zinc oxide nanoparticles are tested against human bacterial pathogen such as Staphylococcus aureus, Escherichia coli, Klebsiella sp., Enterococcus faecalis and Pseudomonas aeruginosa by using agar well diffusion method. Besides, antibacterial activities of ZnO nanoparticles (20 to 60 μg) are compared with four well-known antibiotics viz., Amikacin (30 mcg), Ciprofloxacin (5 mcg), Gentamicin (5 mcg) and Norfloxacin (10 mcg). From antibacterial studies, it has been concluded that if the concentration of histidine-capped ZnO nanoparticles increases, then the antibacterial activities also increase.

Table of contents – Volume 5, Issue 3

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123
Histidine-Capped ZnO Nanoparticles: An Efficient Synthesis, Spectral Characterization and Effective Antibacterial Activity
Tanna, Jay A. / Chaudhary, Ratiram Gomaji / Juneja, Harjeet D. / Gandhare, Nilesh V. / Rai, Alok R. | 2015
135
Green Synthesis of Copper Oxide Nanoparticles Using Aloe vera Leaf Extract and Its Antibacterial Activity Against Fish Bacterial Pathogens
Kumar, P. P. N. Vijay / Shameem, U. / Kollu, Pratap / Kalyani, R. L. / Pammi, S. V. N. | 2015
140
Effect of Polymer Conjugation Site on Stability and Self-Assembly of Coiled Coils
Hamed, Elham / Ma, Dan / Keten, Sinan | 2015
150
A Novel Methodology for Wettability Process Control of Buried Silicon Microchannels for Molecular Diagnostic Applications
Petralia, Salvatore / Panvini, Gaetano / Ventimiglia, Giorgio | 2015
156
Investigating the Influence of Anti-Cancer Drugs on the Mechanics of Cells Using AFM
Hung, Min-Sheng / Tsai, Meng-Feng | 2015
162
Green Synthesis, Characterization and Antimicrobial Potential of Sliver Nanoparticles Using Three Mangrove Plants from Indian Sundarban
Bakshi, Madhurima / Ghosh, Somdeep / Chaudhuri, Punarbasu | 2015
171
Effective Potentiality of Synthesised CdS Nanoparticles in Inducing Genetic Variation on Macrotyloma uniflorum (Lam.) Verdc.
Halder, Sandip / Mandal, Aninda / Das, Debadrito / Datta, Animesh Kumar / Chattopadhyay, Asoke Prasun / Gupta, Sudha / Kumbhakar, Divya Vishambhar | 2015
181
Organic Memristive Device Based on Polyaniline Film Prepared by Spin Coating
Lapkin, D. A. / Korovin, A. N. / Demin, V. A. / Emelyanov, A. V. / Chvalun, S. N. | 2015
185
Electrical Characterization of an Anisotropic System Based on Clay Nanotubes
Battistoni, Silvia / Ubaldi, Enrico / Dimonte, Alice | 2015
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