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자료유형
학술저널
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Khan, Shams Tabrez (Department Zoology, King Saud University) Wahab, Rizwan (Department Zoology, King Saud University) Ahmad, Javed (Department Zoology, King Saud University) Al-Khedhairy, Abdulaziz A. (Department Zoology, King Saud University) Siddiqui, Maqsood A. (Department Zoology, King Saud University) Saquib, Quaiser (Department Zoology, King Saud University) Ali, Bahy A. (Department Zoology, King Saud University) Musarrat, Javed (Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University)
저널정보
한국화학공학회 화학공학 화학공학 제53권 제5호
발행연도
2015.1
수록면
565 - 569 (5page)

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Envisaging the role of Co in theranautics and biomedicine it is immensely important to evaluate its antimicrobial activity. Hence in this study CoO thin nanosheets (CoO-TNs) were synthesized using wet chemical solution method at a very low refluxing temperature ($90^{\circ}C$) and short time (60 min). Scanning electron microscopy of the grown structure revealed microflowers ($2{\sim}3{\mu}m$) composed of thin sheets petals (60~80 nm). The thickness of each individual grown sheet varies from 10~20 nm. Antimicrobial activities of CoO-TNs against two Gram positive bacteria (Micrococcus luteus, and Staphylococcus aureus), and two Gram negative bacteria (Escherichia coli and Pseudomonas aeruginosa) were determined. A 98% and 65% growth inhibition of M. luteus and S. aureus respectively, was observed with $500{\mu}g/ml$ of CoO-TNs compared to 39 and 34% growth inhibition of E. coli and P. aeruginosa, respectively with the same concentration of CoO-TNs. Hence, synthesized CoO-TNs exhibited antimicrobial activity against Gram negative bacteria and an invariably higher activity against tested Gram positive bacteria. Therefore, synthesized CoO-TNs are less prone to microbial infections.

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