Biological synthesis of ZnO nanoparticles using C. albicans and studying their catalytic performance in the synthesis of steroidal pyrazolines

Shamsuzzaman, _; Mashrai, Ashraf; Khanam, Hena; Aljawfi, Rezq Naji

doi:10.1016/j.arabjc.2013.05.004

Cited by 169 publications

(51 citation statements)

References 35 publications

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“…These spherical structures indicate the presence of amorphous nature of ZnO nanoparticles [2]. The average diameter of the ZnO nanoparticle is found to be 20 nm which is correlated with the earlier reports [18].…”

Section: Ftir Spectral Analysis Of Zno Nanoparticlessupporting

confidence: 88%

Green Synthesis of ZnO Nanoparticles using Jasminum Fluminense Leaf Extract and its Spectral and Optical Characterization Studies

Amudha¹

2018

IJTSRD

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The main objective of the present study the green synthesis of Zinc Oxide [ZnO] nanoparticles utilizing aqueous leaf extract of Fluminense.` Zinc acetate [Zn(O 2 CCH 3 sodium hydroxide [NaOH] were used as starting materials and Jasminum Fluminense leaf extract is used as precursor in the synthesis of ZnO nanoparticles. The resultant nanopowder was characterized by using Ultraviolet [UV] Spectroscopy, Fourier Transform Infrared Spectroscopy [FTIR] and Transmission Electron Microscopic [TEM] studies. Formation of ZnO nanoparticles has been confirmed by UV spectroscopy and the TEM analysis spectacles tha synthesized ZnO nanoparticles are of face centered cubic (fcc) structure and the size is found to be around 20 nm. FTIR spectral analysis indicated the leaf extract acts as the reducing and capping agents on the surface of ZnO nanoparticles. This sim green approach may provide a useful tool to hefty extent in the synthesis of ZnO nanoparticles. synthesized nanostructures illustrate novel applications in many fields such as cosmetics, optoelectronics, sensors, transducers and biomedica science because it is environmentally friendly and does not involve any harmful substances

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Section: Ftir Spectral Analysis Of Zno Nanoparticlessupporting

confidence: 88%

Green Synthesis of ZnO Nanoparticles using Jasminum Fluminense Leaf Extract and its Spectral and Optical Characterization Studies

Amudha¹

2018

IJTSRD

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“…3). The absorption peak was appearing as similar the absorption band for the results obtained by Mashrai et al (2013). against on S. aureus; (C) at 1.5 mg mL −1 against E. coli; (D) 1.0 mg mL) against E. coli …”

Section: Characterization Of Zno Npsmentioning

confidence: 67%

Biosynthesis of Zinc Oxide Nanoparticles and Assay of Antibacterial Activity

Ibrahem¹,

Thalij

Saleh

et al. 2017

American Journal of Biochemistry and Biotechnology

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In this study Out of 280 urinary tract infections samples, 212(75.7%) bacterial isolates were recovered. Based on, morphological, cultural and biochemical testes, further, confirmed the results by VITEK 2 System there were 54 (30.2%) of gram positive whereas the 158 (69.8%) of gram negative. The bacterial isolates were distributed as Escherichia coli followed by Klebsiella pneumoniae, Staphylococcus aureus, Pseudomonas aeruginosa and Staphylococcus epidermidis which represented 96(45.2%), 48 (22.6%), 43(20.3%), 14 (6.6%) and 11 (5.2%) respectively. The synthesis of Zinc Oxide nanoparticles (ZnO NPs) using biological methods as eco-friendly from the use of Aspergillus niger filtrate in the extracellular synthesis, then identified and characterized by UV-Vis Spectrophotometer and Scanning Electron Microscopy (SEM). Furthermore, determine the antibacterial efficacy of biological synthesized ZnO NPs against isolated pathogens microbes Staphylococcus aureus and Escherichia coli. The results found the used of 100 mL of ZnCL2 in cultivation of Aspergillus niger was obtained and biosynthesis of ZnO NPs at 46 mg. SEM was illustrate the morphology and practices of ZnO NPs sizes and appear as spherical in shape besides, the size range at 41-75 nm. The assurance by the UV-Vis spectrum appears the absorption bands of ZnO NPs at 380 nm. The results of 1.0 and 1.5 mg mL −1 from ZnO NPs synthesized from A. niger were effect of inhibition against S. aureus and E. coli bacterial isolated from urine tracts infection sources. The Inhibition Zone Diameters (IZD) against S. aureus was appear at 24 and 26 mm respectively compared with the IZD from Ciprofloxacin alone at 20 mm. while the same concentration from ZnO NPs against E. coli causing in IZD at 25 and 28 mm respectively compared with Ciprofloxacin inhibition alone at 23 mm.

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“…The unit cell of ZnO is wurtzite (Figure 1 C [22]. However these lattice parameters may change due to lattice strain, and doping [23].…”

Section: Crystal Structurementioning

confidence: 99%

“…To understand the detailed mechanism of antibacterial activity of ZnO nanoparticles, thorough investigations have been reported in the existing literature. Recently, it has been reported that ZnO nanoparticles also exhibit negative activity against some bacteria [19][20][21][22][23][24]. Here in this mini review article I shall discuss the chemical growth of ZnO nanostructures and their antibacterial activity.…”

Section: Introductionmentioning

confidence: 99%

Review on Wet Chemical Growth and Anti-bacterial Activity of Zinc Oxide Nanostructures

Samanta¹

2017

J Tissue Sci Eng

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Metal oxide semiconductor nanostructures are of keen interest to the researchers as they exhibit multifunctional properties compared to their bulk counterpart. Amongst several metal-oxide nanostructures zinc oxide is very popular because of its unique optoelctronic properties which are of wide importance in the field of nano-optoelectronic devices. Moreover, it also exhibit antibacterial activity which is very important in the field of medical science. This article briefly summarizes the wet chemical growth and anti-bacterial activity of several ZnO nanostructures with a view to provide the reader an overall feature of ZnO nanostructures. -Oxygen atom -Zinc atom

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Biological synthesis of ZnO nanoparticles using C. albicans and studying their catalytic performance in the synthesis of steroidal pyrazolines

Cited by 169 publications

References 35 publications

Green Synthesis of ZnO Nanoparticles using Jasminum Fluminense Leaf Extract and its Spectral and Optical Characterization Studies

Green Synthesis of ZnO Nanoparticles using Jasminum Fluminense Leaf Extract and its Spectral and Optical Characterization Studies

Biosynthesis of Zinc Oxide Nanoparticles and Assay of Antibacterial Activity

Review on Wet Chemical Growth and Anti-bacterial Activity of Zinc Oxide Nanostructures

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