One-pot template-free synthesis of water-dispersive Fe3O4@C nanoparticles for adsorption of bovine serum albumin

Chen, Zhiming; Xue, Zhenglian; Lin, Chen; Geng, Zhirong; Yang, Renchun; Chen, Luyao; Wang, Zhilin

doi:10.1039/c3nj00490b

Cited by 31 publications

(23 citation statements)

References 48 publications

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“…The organic matter is thought to come directly from the bacteria, which produced extracellular polysaccharide templates onto the Fe precipitates 43 44 45 . Also Fe 3 O 4 nanoparticles may show a high bovine serum albumin (BSA) protein adsorption capacity in aqueous solution 6 , which caused a higher EPS concentration in the cake layer. It is suggested that a greater EPS concentration in the FeNP-CUF cake layer enhanced the adhesion ability of the cake layer, which was previously observed in wastewater treatment 46 , leading to fewer particles being removed during backwashing.…”

Section: Resultsmentioning

confidence: 99%

“…A trend of increasing use of commercial nanoparticles is evident in recent years, and there is growing concern about associated environmental problems as they are synthesized and used on a large scale, leading to the contamination of natural water bodies, such as by the release of water-dispersive modified Fe 3 O 4 nanoparticles 6 . For example, some nanoparticles incorporated into clothing articles can be released into water, and subsequently influence the operation of wastewater treatment plants (WWTPs) 7 .…”

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confidence: 99%

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Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Graham

et al. 2015

Sci Rep

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A coagulation (FeCl3)-ultrafiltration process was used to treat two different raw waters with/without the presence of Fe3O4 nanoparticle contaminants. The existence of Fe3O4 nanoparticles in the raw water was found to increase both irreversible and reversible membrane fouling. The trans-membrane pressure (TMP) increase was similar in the early stages of the membrane runs for both raw waters, while it increased rapidly after about 15 days in the raw water with Fe3O4 nanoparticles, suggesting the involvement of biological effects. Enhanced microbial activity with the presence of Fe3O4 nanoparticles was evident from the measured concentrations of extracellular polymeric substances (EPS) and deoxyribonucleic acid (DNA), and fluorescence intensities. It is speculated that Fe3O4 nanoparticles accumulated in the cake layer and increased bacterial growth. Associated with the bacterial growth is the production of EPS which enhances the bonding with, and between, the coagulant flocs; EPS together with smaller sizes of the nano-scale primary particles of the Fe3O4-CUF cake layer, led to the formation of a lower porosity, more resilient cake layer and membrane pore blockage.

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Section: Resultsmentioning

confidence: 99%

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confidence: 99%

Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Graham

et al. 2015

Sci Rep

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“…The X-ray powder diffraction (XRD) pattern of a reused catalyst (Figure 2) exhibits a broad peak at 2θ=25.5, which is typical for amorphous silica (28). (29).…”

Section: Resultsmentioning

confidence: 99%

Nano-Fe₃O₄-encapsulated silica particles bearing sulfonic acid groups as a magnetically separable catalyst for green synthesis of 1,1-diacetates

Nemati

Afkham

2014

Green Chemistry Letters and Reviews

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“…This is in good agreement with previous studies on Fe3O4 nanoparticles. 149 For the γ-Fe2O3 form characteristic binding energies peak positions for Fe2p1/2 and Fe2p3/2 are expected at about 710.4 and 724.7 eV, respectively. 150 This indicates that the product is in the form of Fe3O4 rather than γ-Fe2O3.…”

Section: Ultra-small Fe3o4 Nanoparticles As Contrast Agent For Mrimentioning

confidence: 95%

Photoemission and Characterization of Neutrophils and Nanoparticles : Energy Mapping and Elemental Composition with sub-µm Resolution

Skallberg

2020

Linköping Studies in Science and Technology. Dissertations

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Imaging and visualization of cells and tissues are important when studying various biological phenomena. The ability to provide spatial information with molecular and chemical specificity may increase our insight and understanding of biological problems within life sciences. There is a need for well suited analytical imaging tools for addressing challenges that can increase our knowledge from the visualization on the cellular and subcellular level. In this thesis, we have focused on the use of surface analytical techniques based on the photoemission process. Synchrotron based surface analytical tools such as mirror electron microscopy, low energy electron microscopy, X-ray photoelectron spectroscopy, X-ray photoemission electron microscopy and near edge X-ray absorption fine structure spectroscopy were used to obtain highly resolved chemical information for both fundamental biological systems and technical innovations.

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One-pot template-free synthesis of water-dispersive Fe3O4@C nanoparticles for adsorption of bovine serum albumin

Cited by 31 publications

References 48 publications

Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Nano-Fe₃O₄-encapsulated silica particles bearing sulfonic acid groups as a magnetically separable catalyst for green synthesis of 1,1-diacetates

Photoemission and Characterization of Neutrophils and Nanoparticles : Energy Mapping and Elemental Composition with sub-µm Resolution

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One-pot template-free synthesis of water-dispersive Fe3O4@C nanoparticles for adsorption of bovine serum albumin

Cited by 31 publications

References 48 publications

Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Contribution of Fe3O4 nanoparticles to the fouling of ultrafiltration with coagulation pre-treatment

Nano-Fe3O4-encapsulated silica particles bearing sulfonic acid groups as a magnetically separable catalyst for green synthesis of 1,1-diacetates

Photoemission and Characterization of Neutrophils and Nanoparticles : Energy Mapping and Elemental Composition with sub-µm Resolution

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Nano-Fe₃O₄-encapsulated silica particles bearing sulfonic acid groups as a magnetically separable catalyst for green synthesis of 1,1-diacetates