Synthesis, characterization and application of zinc augmented aminated PAN nanofibers towards decontamination of chemical and biological contaminants

Chauhan, Divya; Afreen, Shagufta; Mishra, Shruti; Sankararamakrishnan, Nalini

doi:10.1016/j.jiec.2017.06.027

Cited by 44 publications

(16 citation statements)

References 38 publications

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“…The ≡Si–O–H telescopic vibration band is located at 963 cm −1 , verifying the presence of silanol groups on the fibers’ surfaces [ 32 ]. The rotating vibration bands of –CH groups are located at 1460 cm −1 , reflecting the presence of PAN in the composite fibers [ 33 ].…”

Section: Resultsmentioning

confidence: 99%

Performance Assessment of Ordered Porous Electrospun Honeycomb Fibers for the Removal of Atmospheric Polar Volatile Organic Compounds

Wang

Chang

2018

Nanomaterials

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This study explored a new facile method of preparing ordered porous electrospun honeycomb fibers to obtain the most promising composites for maximal adsorption of volatile organic compounds (VOCs). The self-assembly ordered porous material (OPM) and polyacrylonitrile (PAN) were formulated into a blend solution to prepare honeycomb fibers. SEM and TEM images showed that OPM was effectively bonded in PAN fibers because of the composite’s structure. Acetone was used as a model to assess the VOC adsorption performances of electrospun honeycomb fibers with different OPM contents. Experimental results revealed that the adsorption capacity of honeycomb fibers increased with the increase of loaded OPM within the PAN fibers. The highest adsorption capacity was 58.2 μg g−1 by the fibers containing with 60% OPM in weight. After several recycling times, the adsorption capacities of the reused honeycomb fibers were almost the same with the fresh fibers. This finding indicated that the electrospun honeycomb fibers have potential application in removing VOCs in the workplace, and promote the performance of masks for odor removal.

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Section: Resultsmentioning

confidence: 99%

Performance Assessment of Ordered Porous Electrospun Honeycomb Fibers for the Removal of Atmospheric Polar Volatile Organic Compounds

Wang

Chang

2018

Nanomaterials

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“…Figure 6 shows that PAN/ZnO electrospun nanofibers showed an antibacterial efficiency of 75.65% and 70.05% against Gram-positive Staphylococcus aureus and Gram-negative Pseudomonas aeruginosa, respectively, as metal oxide nanoparticles exhibited superior antibacterial properties, which suppressed the growth of both bacteria compared to the pure electrospun PAN nanofibers. Moreover, metal oxide nanoparticles provide reactive sites for the interaction of bacteria and nanofibers [47,48]. Additionally, metal oxides (ZnO) act as bacteriostatic agents [49] with positive charges that attract the negatively charged bacteria with a strong electrostatic force of attraction.…”

Section: Antibacterial Activity Of Pan/zno Pan/zno-loaded Viroblock Electrospun Nanofibersmentioning

confidence: 99%

Electrospun Nanofiber-Based Viroblock/ZnO/PAN Hybrid Antiviral Nanocomposite for Personal Protective Applications

et al. 2021

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Designing novel antiviral personal protective equipment (PPE) is crucial for preventing viral infections such as COVID-19 in humans. Here, we fabricate an electrospun nanofiber-based Viroblock (VB)-loaded polyacrylonitrile (PAN)/zinc oxide (ZnO) hybrid nanocomposite for PPE applications. Five different concentrations of Viroblock (0.5%, 1.5%, 2.5%, 3.5%, and 5%) were added to PAN/ZnO solution and loaded for electrospinning. The developed samples reflected antibacterial activity of 92.59% and 88.64% against Staphylococcus aureus and Pseudomonas aeruginosa bacteria, respectively, with 5% VB loading. Moreover, a significant reduction in virus titer (37%) was observed with the 5% VB/PAN/ZnO nanofiber sheet. Hence, VB-loaded PAN/ZnO nanofibers have great potential to kill enveloped viruses such as influenzas and coronaviruses and could be the ideal candidate for the development of nanofiber-based PPE, such as facemasks and surgical gowns, which can play a key role in the protection of frontline health workers and the general public in the COVID-19 pandemic.

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“…However, these processes are not efficient for the confiscation of either chemical or biological pollutants from water bodies. Hence, there is a necessity to be developed newer competent, economically viable adsorbent materials or filters that might be eliminated chemical and biological contaminants from the water stream 16 – 19 . In this context, polymeric composite contains different surface functional groups that efficiently remove various contaminants from water.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional (3D) polymer—metal–carbon framework for efficient removal of chemical and biological contaminants

Sasidharan

Sachan

Chauhan

et al. 2021

Sci Rep

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The continuously increased existence of contaminants such as chemical and biological mainly dye, bacteria, and heavy metals ions (HMI) in water bodies has increased environmental concern due to their hostile effects on living things. Therefore, there is necessity to be developed newer materials that skirmishes such environmental menace. The present works focus on the synthesis of a novel three-dimensional (3D) polymer-metal–carbon (3D-PMC) framework for the exclusion of contaminants (chemical and biological) from water bodies. Initially, polyurethane (PU) foam was treated with nitric acid and used as a framework for the development of 3D-PMC materials. The copper nanosheet (Cu-NS) was deposited onto the functionalized PU foam to produce Cu-NS-PU material. The mechanically exfoliated graphene was mixed with chitosan to produce a graphene-chitosan homogenous suspension. The produce homogenous suspension was deposited Cu-NS-PU for the development of the 3D-PMC framework. The prepared 3D-PMC framework was characterized by scanning electron microscopy (SEM), Energy Dispersive X-Ray Analysis (EDX), Fourier-transform infrared spectroscopy (FT-IR), and X-rays diffraction (XRD) analysis. The prepared 3D-PMC framework was subjected to various adsorption parameters to assess the sorption ability of the material. The prepared 3D-PMC framework was effectively used for the removal of chromium (Cr) metal ions and Congo-red (CR) dye from the water system. The synthesis of the 3D-PMC framework is simple, novel, cost-effective, and economically viable. Therefore, the prepared 3D-PMC framework has the potential to be used as a filter assembly in water treatment technologies.

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Synthesis, characterization and application of zinc augmented aminated PAN nanofibers towards decontamination of chemical and biological contaminants

Cited by 44 publications

References 38 publications

Performance Assessment of Ordered Porous Electrospun Honeycomb Fibers for the Removal of Atmospheric Polar Volatile Organic Compounds

Performance Assessment of Ordered Porous Electrospun Honeycomb Fibers for the Removal of Atmospheric Polar Volatile Organic Compounds

Electrospun Nanofiber-Based Viroblock/ZnO/PAN Hybrid Antiviral Nanocomposite for Personal Protective Applications

Three-dimensional (3D) polymer—metal–carbon framework for efficient removal of chemical and biological contaminants

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