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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2022, Volume 73, Issue 3, 14-27

https://doi.org/10.37358/RC.22.3.8531

Gheorghe Dobra, Santiago Garcia-Granda, Adina Negrea, Mihaela Ciopec, Nicoleta Sorina Nemes, Petru Negrea, Narcis Duteanu, Sorin Iliev, Lucian Cotet, Alina Boiangiu, Laurentiu Filipescu

Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface

Abstract:

The subject of this paper was the study of antimicrobial capacity of silver loaded on the low temperature activated alumina products and evaluation of these products as decontaminants in the water and waste waters decontamination treatments. The low temperature activated alumina products have been characterized as valuable adsorbents in previous papers. So, by reason the next step to investigate these silver loaded products and finding their performaces as antimicrobial agents was an alluring prospect. For this purpose, a common bacterian inoculus was choosen for experiments, and a penmisive method to measure the rate of inhibition was adopted. Experimental data have shown the dependence of the inhibition rate on the following parameters concerning the adsorbent properties: the thermal treatments, particle size dimension of adsorbent (low temperature activated alumina products), concentration of siver adsorbed on particle surface and density of bioreactive centers, representing the number of particles on unit volume of the liquid containing the bacterial cells. Also, the experiments lay out that the aluminum hydroxide calcined at 300 and 400oC exibits the largest silver adsorbed concentration and the highest inhibition rate (close to 100 %). Little dependence of inhibition rate on pH, in the interval 5.0 - 8.0, was observed. For application of depolluting agent in diferent technological processes, it is necesary to measure the minimum inhibitory concentration in therms of g of silver loaded on the low temperature activated alumina /L.
Keywords:
aluminium hydroxide; activated alumina; silver antimicrobial activity; silver adsorption/desorption

Issue: 2022, Volume 73, Issue 3
Pages: 14-27
Publication date: 2022/7/29
https://doi.org/10.37358/RC.22.3.8531
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This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
DOBRA, G., GARCIA-GRANDA, S., NEGREA, A., CIOPEC, M., NEMES, N.S., NEGREA, P., DUTEANU, N., ILIEV, S., COTET, L., BOIANGIU, A., FILIPESCU, L., Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface, Rev. Chim., 73(3), 2022, 14-27.

Vancouver
Dobra G, Garcia-Granda S, Negrea A, Ciopec M, Nemes NS, Negrea P, Duteanu N, Iliev S, Cotet L, Boiangiu A, Filipescu L. Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface. Rev. Chim.[internet]. 2022 Mar;73(3):14-27. Available from: https://doi.org/10.37358/RC.22.3.8531


APA 6th edition
Dobra, G., Garcia-Granda, S., Negrea, A., Ciopec, M., Nemes, N.S., Negrea, P.,... Filipescu, L. (2022). Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface. Revista de Chimie, 73(3), 14-27. https://doi.org/10.37358/RC.22.3.8531


Harvard
Dobra, G., Garcia-Granda, S., Negrea, A., Ciopec, M., Nemes, N.S., Negrea, P., Duteanu, N., Iliev, S., Cotet, L., Boiangiu, A., Filipescu, L. (2022). 'Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface', Revista de Chimie, 73(3), pp. 14-27. https://doi.org/10.37358/RC.22.3.8531


IEEE
G. Dobra, S. Garcia-Granda, A. Negrea, M. Ciopec, N.S. Nemes, P. Negrea, N. Duteanu, S. Iliev, L. Cotet, A. Boiangiu, L. Filipescu, "Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface". Revista de Chimie, vol. 73, no. 3, pp. 14-27, 2022. [online]. https://doi.org/10.37358/RC.22.3.8531


Text
Gheorghe Dobra, Santiago Garcia-Granda, Adina Negrea, Mihaela Ciopec, Nicoleta Sorina Nemes, Petru Negrea, Narcis Duteanu, Sorin Iliev, Lucian Cotet, Alina Boiangiu, Laurentiu Filipescu,
Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface,
Revista de Chimie,
Volume 73, Issue 3,
2022,
Pages 14-27,
ISSN 2668-8212,
https://doi.org/10.37358/RC.22.3.8531.
(https://revistadechimie.ro/Articles.asp?ID=8531)
Keywords: aluminium hydroxide; activated alumina; silver antimicrobial activity; silver adsorption/desorption


RIS
TY - JOUR
T1 - Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface
A1 - Dobra, Gheorghe
A2 - Garcia-Granda, Santiago
A3 - Negrea, Adina
A4 - Ciopec, Mihaela
A5 - Nemes, Nicoleta Sorina
A6 - Negrea, Petru
A7 - Duteanu, Narcis
A8 - Iliev, Sorin
A9 - Cotet, Lucian
A10 - Boiangiu, Alina
A11 - Filipescu, Laurentiu
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2022
VL - 73
IS - 3
SP - 14
EP - 27
UR - https://doi.org/10.37358/RC.22.3.8531
KW - aluminium hydroxide
KW - activated alumina
KW - silver antimicrobial activity
KW - silver adsorption/desorption
ER -


BibTex
@article{RevCh2022P14,
author = {Dobra Gheorghe and Garcia-Granda Santiago and Negrea Adina and Ciopec Mihaela and Nemes Nicoleta Sorina and Negrea Petru and Duteanu Narcis and Iliev Sorin and Cotet Lucian and Boiangiu Alina and Filipescu Laurentiu},
title = {Silver Adsorption on the Low Temperature Activated Alumina Grades. II. Antimicrobial Activity of the Silver Adsorbed on the Alumina Surface},
journal = {Revista de Chimie},
volume = {73},
number = {3},
pages = {14-27},
year = {2022},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.22.3.8531},
url = {https://revistadechimie.ro/Articles.asp?ID=8531}
}


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