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284 results on '"Solomon Moses M."'

1. Green synthesis, characterization and antibacterial activities of silver nanoparticles from strawberry fruit extract

Author

Umoren Saviour A., Nzila Alexis M., Sankaran Saravanan, Solomon Moses M., and Umoren Peace S.

Subjects
strawberry fruit, silver nanoparticles, biosynthesis, characterization, antibacterial activity, Chemistry, QD1-999
Abstract

Silver nanoparticles (AgNPs) have been synthesized in the presence of Strawberry fruit extract (SBFE) at room temperature. The synthesized AgNPs was characterized by UV-vis spectroscopy, SEM, EDS, XRD, TEM and FTIR. The UV-vis spectra of the AgNPs show SPR band at 450 nm. TEM results indicate that AgNPs are spherical in shape and size range between 7–65 nm. Antibacterial activity of the synthesized AgNPs has been assessed against Pseudomonas aeruginosa and Bacillus licheniformis. The results show that AgNPs exhibit inhibitory effect and effect is a function of AgNPs concentration. The antibacterial activity of the prepared AgNPs has been compared with two antibiotics, amoxicillin and ciprofloxacin. It is found that the antibiotics perform better than AgNPs.

Published
2017
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21. Exploration of aspartame as a green and sustainable corrosion inhibitor for T95 steel in 28 wt.% HCl at elevated temperatures: effect of sodium dodecylsufate and KI addition on performance.

Author

Solomon, Moses M., Uzoma, Ifeanyi E., Udourioh, Godwin A., Chukwuike, V. I., and Umoren, Saviour A.

Subjects
*SCIENTIFIC communication, *POTASSIUM iodide, *HIGH temperatures, *OIL wells, *TEMPERATURE effect, *STEEL corrosion, *SCANNING electron microscopes
Abstract

Acidizing is a vital oil well stimulation exercise but must be done with an effective corrosion inhibitor to reduce corrosion risk. It is, however becoming increasingly difficult to find a corrosion inhibitor that is ecologically compatible and effective in strong acids and high temperatures. In this scientific communication, aspartame (ASP), sodium dodecylsufate (SDS), and potassium iodide (KI) blend is presented as a highly efficient inhibitor for T95 steel in 28 wt.% HCl solution at 60–90 °C. The corrosion inhibition investigation was performed using weight loss and electrochemical (electrochemical impedance spectroscopy [EIS] and potentiodynamic polarization [PDP]) techniques complemented by surface analysis of the corroded steel without and with the inhibitor using scanning electron microscope (SEM)/energy dispersive x-ray spectrophotometer (EDX), and 3D optical profilometry (OP). ASP is an effective corrosion inhibitor for T95 steel in an acidizing environment. The inhibition efficiency (IE) increased with an increase in concentration and temperature. The additives (SDS and KI) enhanced the inhibitive performance of ASP due to synergistic effects, especially at 90 °C where an IE of 96% is tenable. Results from SEM/EDS and OP disclose apparent ASP-based inhibitor adsorption on the T95 surface and a high level of protection. [ABSTRACT FROM AUTHOR]

Published
2024
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23. Chitosan

Author

Umoren, Saviour A., primary, Solomon, Moses M., additional, and Saji, Viswanathan S., additional

Published
2022
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24. Vinyl polymers

Author

Umoren, Saviour A., primary, Solomon, Moses M., additional, and Saji, Viswanathan S., additional

Published
2022
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25. Polyglycols

Author

Umoren, Saviour A., primary, Solomon, Moses M., additional, and Saji, Viswanathan S., additional

Published
2022
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37. Dendrimers

Author

Umoren, Saviour A., primary, Solomon, Moses M., additional, and Saji, Viswanathan S., additional

Published
2022
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41. Acrylic polymers

Author

Umoren, Saviour A., primary, Solomon, Moses M., additional, and Saji, Viswanathan S., additional

Published
2022
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