Journal Review: Polysulfone Ultrafiltration Membranes Impregnated With Silver Nanoparticles Show Improved Biofouling Resistance And Virus Removal

Journal Review


The article’s topic is exclusively relevant to the field of the study because the study describes a method which can be used in water treatment of which is the basis of the study. It relates to the formulation of a formula in which the low-pressure membranes containing anti-biofouling and antiviral properties can be used to remove bacterial and viral microorganisms in water for human consumption. Consequently, the topic is relevant to the field of study in that, the study objective which tries to demonstrate how the Polysulfone ultrafiltration membranes which are impregnated with the silver nanoparticles can improve biofouling resistance including virus removal (Zodrow, Katherine, et al., 716).

In the research article, the authors provided a clear description of various methods involved in their research, their results, and discussions involved during the study. They explained how they made polysulfone ultrafiltration membranes using the wet phase inversion technique, determining membrane permeability, analyzing the silver in the filtrate and the antibacterial properties of the silver nanoparticles (Zodrow, Katherine, et al., 719). Other methods included the biofouling g resistance in both silver nanoparticles layers and the antiviral properties of the silver nanoparticles membranes. During the study methodologies, the authors describe how various bacteria and viruses such as the Escherichia coli and Pseudomonas mendocina could be eliminated using the methods they formulated.

In the article conclusion, the researchers explain why silver-impregnated antimicrobial materials usage has since increased to solve biofouling problems during waste water filtration membranes using silver. The research reveals how the nAg-PSf membranes have since shown a significant improvement in virus removal and that the nAg-PSf membranes have become active against E. coli and P. mendocina bacteria strains (Zodrow, Katherine, et al., 750).


The data do support the author’s conclusion in that when analyzing their research results at the antimicrobial properties of membrane test, the researcher’s observation was that when a suspension of E. coli was filtered into a silver nanoparticle-containing layer using a dead-end filtration cell. That is, the result a 2-log equivalent to 99% reduction of the bacteria growth on the membrane surface was exhibited (Zodrow, Katherine, et al., 745).

An additional conclusion that can be cited from the article could be that the pretreatment also called coagulation or water treatment using chemicals such as chlorine can be effective and should be encouraged in the circumstances that biofouling membranes are not available. Consequently, there should be public awareness addressing people that those pretreatment methods are not reliable (Koseoglu-Imer, Derya Y., et al., 623)

A further research need I would recommend is the need to analyses why the silver nanoparticles could not guarantee the silver-resistance protection against various bacterial strains and come up with a recommendation on the same question (Li, Jian-Hua, et al., 663-670)

The article is both straightforward and definite in the sense that, it has a descriptive purpose of the project, outlined simple methodologies, research analysis, results of the research findings and a conclusion of the entire work. Their discussions regarding their research results are clearly stated and outlined in simple table formats to add quality to their research work.

Regarding my analysis of the article, I found out what to be Lacking from the article is the research recommendations. The researchers left out to provide a clear guidance and directions on the research applications. The article provision of the World Health Organization’s recommendation of the silver ions threshold in drinking water compared to that of their research findings as below is a subsequent proof that the use of polysulfone ultrafiltration membranes impregnated with silver nanoparticles can better be employed in wastewater treatment (Zodrow, Katherine, et al., 716).  Its use can render water fit for human consumption without further questions since the searchers have proved this in their article exclusively and outlined the various methods they have used to arrive at their results and conclusions. 

Work cited

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