Facile ultrasonic aided green reduction of graphene oxide by Doum palm fruit

Azab, Islam H. El; Ahmed, E. M.; Elnaggar, Ashraf Y.; Taha, Eman O.; Atta, M. M.

doi:10.1080/1536383x.2022.2050703

Cited by 5 publications

(4 citation statements)

References 59 publications

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“…In Figure a, an intense peak has appeared at 10.6° corresponding to the (001) plane with d -spacing of 9.6 Å, which confirms the formation of GO from graphite . In Figure b, the rGO exhibits a broad peak at 23.6° corresponding to the (002) reflection plane with a disappearance of the peak of the (001) plane confirming the successful reduction of GO to rGO . The d -spacing of 3.5 Å for rGO was calculated.…”

Section: Resultsmentioning

confidence: 74%

“…29 In Figure 1b, the rGO exhibits a broad peak at 23.6°c orresponding to the (002) reflection plane with a disappearance of the peak of the (001) plane confirming the successful reduction of GO to rGO. 30 The d-spacing of 3.5 Å for rGO was calculated. A small diffraction peak appeared at 43°corresponding to the (102) reflection plane in the GO and rGO structure.…”

Section: Preparation Of Urine Sample For Uplc−ms/msmentioning

confidence: 99%

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Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Archana,

Hashmi,

Bhardwaj

et al. 2024

ACS Appl. Polym. Mater.

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p-Cresyl sulfate (PCS) is readily absorbed in the bloodstream due to bacterial activity, which leads to the production of PCS using dietary tyrosine and phenylalanine by the bacteria residing in the gut. This molecule is responsible for maintaining the human health system and controlling the development of several diseases related to obesity, diabetes, cardiovascular diseases, chronic kidney diseases (CKDs), inflammatory bowel diseases, etc. Therefore, it is necessary to detect the level of PCS in urine or blood samples, which helps to identify CKDs. In this article, a poly(methacrylic acid) (PMAA)-based molecularly imprinted polymer (MIP) is used to develop a point-of-care device for PCS detection using an indigenously fabricated screen-printed carbon electrode. MIP is modified by further incorporating reduced graphene oxide (rGO)

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Section: Resultsmentioning

confidence: 74%

Section: Preparation Of Urine Sample For Uplc−ms/msmentioning

confidence: 99%

Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Archana,

Hashmi,

Bhardwaj

et al. 2024

ACS Appl. Polym. Mater.

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“…GO is employed to prepare reduced GO and enhance the physical properties of polymeric composites. [19][20][21][22][23][24][25][26] The thermal and mechanical characteristics of a PVA/starch matrix have been improved using GO because its chemical structure with OH and COOH groups can regulate the film's shape and aggregation by a chemical combination. 13,27 Actacid orange RL (AO-RL) dye was removed using different polymeric-GO nanocomposites, such as GO/polypyrrole, GO/polyaniline, and GO/polystyrene.…”

Section: Introductionmentioning

confidence: 99%

“…Graphene oxide (GO) is one of the graphene derivatives, a two‐dimensional (2D) carbonaceous flake containing various active functional groups, such as carboxyl and hydroxyl. GO is employed to prepare reduced GO and enhance the physical properties of polymeric composites 19–26 . The thermal and mechanical characteristics of a PVA/starch matrix have been improved using GO because its chemical structure with OH and COOH groups can regulate the film's shape and aggregation by a chemical combination 13,27 .…”

Section: Introductionmentioning

confidence: 99%

Structural, mechanical, and thermal features of PVA/starch/graphene oxide nanocomposite enriched with WO₃ as gamma–ray radiation shielding materials for medical applications

Atta,

Abou‐Laila,

Abdelwahed

et al. 2023

Polymer Engineering & Sci

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Polyvinyl alcohol (PVA)/starch/graphene oxide nanocomposites containing different ratios of tungsten oxide (WO3) were prepared for use in the medical field as low‐cost, facile, eco‐friendly, and biodegradable low‐energy γ‐ray shielding materials. The effect of different WO3 loading (0, 2, 4, 8, and 12 wt%) on nanocomposites' structural, mechanical, and gamma attenuation properties was studied. X‐ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscope verified the incorporation of WO3 into the nanocomposite matrix. The thermal stability and activation energy of the decomposition of nanocomposites showed continuous improvement with increasing WO3. The maximum tensile strength and elongation of nanocomposites were achieved by incorporating 4 wt% WO3 compared to the lowest tensile strength and elongation at 8 and 12 wt% of WO3, respectively. The good filler distribution inside the polymeric matrix at lower filler loading compared to the creation of voids and agglomeration at higher filler levels explains this behavior. It was found that nanocomposites' calculated mass attenuation coefficient μm (cm2/g) increased with increasing WO3 at different photon energies. Half‐value layer (HVL) and tenth‐value layer (TVL) values fall as WO3 concentration rises. The sample with 12 wt% of WO3 exhibits lower HVL and TVL values and higher μm, demonstrating a more remarkable gamma attenuation ability. Such results endorsed the prepared nanocomposites as low energy γ‐rays attenuation materials in medical fields.Highlights PVA/starch/graphene oxide nanocomposites with different WO3s were fabricated as shielding materials. The impact of WO3 on nanocomposites' mechanical and shielding characteristics was studied Thermal stability of nanocomposites showed continuous improvement with increasing WO3 μm increased with continuously increasing WO3 at different photon energies.

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Nitrogen plasma synthesis of flexible supercapacitors based on reduced graphene oxide/aloe vera/carbon nanotubes nanocomposite

et al. 2023

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Facile ultrasonic aided green reduction of graphene oxide by Doum palm fruit

Cited by 5 publications

References 59 publications

Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Structural, mechanical, and thermal features of PVA/starch/graphene oxide nanocomposite enriched with WO₃ as gamma–ray radiation shielding materials for medical applications

Nitrogen plasma synthesis of flexible supercapacitors based on reduced graphene oxide/aloe vera/carbon nanotubes nanocomposite

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Facile ultrasonic aided green reduction of graphene oxide by Doum palm fruit

Cited by 5 publications

References 59 publications

Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Reduced Graphene Oxide Nanosheets Enhance the Sensitivity of p-Cresyl Sulfate Detection Using a Molecularly Imprinted Polymer-Based Electrochemical Sensor

Structural, mechanical, and thermal features of PVA/starch/graphene oxide nanocomposite enriched with WO3 as gamma–ray radiation shielding materials for medical applications

Nitrogen plasma synthesis of flexible supercapacitors based on reduced graphene oxide/aloe vera/carbon nanotubes nanocomposite

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Structural, mechanical, and thermal features of PVA/starch/graphene oxide nanocomposite enriched with WO₃ as gamma–ray radiation shielding materials for medical applications