Antimicrobial properties of nanofiltration membranes modified with silver nanoparticles

Khaydarov, Renat R.; Gapurova, Olga; Abdukhakimov, Murodjon; Sadikov, I. I.; Garipov, Ilnur; Krishnamurthy, Praveen Thaggikuppe; Жарков, С. М.; Зеер, Г. М.; Abolentseva, Polina A.; Prudnikova, Svetlana V.; Евграфова, Светлана

doi:10.1007/s42247-021-00330-2

Cited by 5 publications

(2 citation statements)

References 28 publications

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“…The inoculated Petri plates were incubated at 4 1C to diffuse poly(phenylenediamine)s into the medium for 3 h, and subsequently the plates were incubated at 37 1C for 24 h. Finally, the diameter of growth inhibition zones (mm) around the wells was measured. 22,23…”

Section: Evaluation Of the Antibacterial Activitymentioning

confidence: 99%

Electroconductive and photoactive poly(phenylenediamine)s with antioxidant and antimicrobial activities for potential photothermal therapy

et al. 2022

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Section: Evaluation Of the Antibacterial Activitymentioning

confidence: 99%

Electroconductive and photoactive poly(phenylenediamine)s with antioxidant and antimicrobial activities for potential photothermal therapy

et al. 2022

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“…The results indicated that membranes exhibited outstanding antibacterial properties with more than 90% of antibacterial efficiency against Escherichia coli and Staphylococcus aureus [ 4 ]. More recently, nanosilver stabilized with the polyhexamethylene biguanide hydrochloride (PHMB) was incorporated in situ onto the thin-film composite (TFC) NF90 membrane surface, and the results demonstrate that the system has a profound antibacterial effect against Staphylococcus aureus and Escherichia coli bacteria [ 5 ]. Peng et al reported the deposition of silver nanoparticles (AgNP) on tunicate cellulose nanocrystals (TCNCs) by in situ hydrothermal reduction of silver nitrate, showing excellent antibacterial efficacy against Staphylococcus aureus and Escherichia coli [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Bactericide Activity of Cellulose Acetate/Silver Nanoparticles Asymmetric Membranes: Surfaces and Porous Structures Role

Figueiredo

Ferraria²,

Rego³

et al. 2022

Membranes

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The antibacterial properties of cellulose acetate/silver nanoparticles (AgNP) ultrafiltration membranes were correlated with their integral asymmetric porous structures, emphasizing the distinct features of each side of the membranes, that is, the active and porous layers surfaces. Composite membranes were prepared from casting solutions incorporating polyvinylpyrrolidone-covered AgNP using the phase inversion technique. The variation of the ratio acetone/formamide and the AgNP content resulted in a wide range of asymmetric porous structures with different hydraulic permeabilities. Comprehensive studies assessing the antibacterial activity against Escherichia coli (cell death and growth inhibition of bacteria in water) were performed on both membrane surfaces and in E. coli suspensions. The results were correlated with the surface chemical composition assessed by XPS. The silver-free membranes presented a generalized growth of E. coli, which is in contrast with the inhibition patterns displayed by the membranes containing AgNP. For the surface bactericide test, the growth inhibition depends on the accessibility of E. coli to the silver present in the membrane; as the XPS results show, the more permeable membranes (CA30 and CA34 series) have higher silver signal detected by XPS, which is correlated with a higher growth inhibition. On the other hand, the inhibition action is independent of the membrane porous structure when the membrane is deeply immersed in an E. coli inoculated suspension, presenting almost complete growth inhibition.

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Breaking barriers in membrane separation: Power of functional coatings

Li,

Fu,

et al. 2024

Separation and Purification Technology

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Antimicrobial properties of nanofiltration membranes modified with silver nanoparticles

Cited by 5 publications

References 28 publications

Electroconductive and photoactive poly(phenylenediamine)s with antioxidant and antimicrobial activities for potential photothermal therapy

Electroconductive and photoactive poly(phenylenediamine)s with antioxidant and antimicrobial activities for potential photothermal therapy

Bactericide Activity of Cellulose Acetate/Silver Nanoparticles Asymmetric Membranes: Surfaces and Porous Structures Role

Breaking barriers in membrane separation: Power of functional coatings

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