Ahmed Esmail Shalan
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View article: Retraction Note: Enhancement of TiO2 nanoparticle properties and efficiency of dye-sensitized solar cells using modifiers
Retraction Note: Enhancement of TiO2 nanoparticle properties and efficiency of dye-sensitized solar cells using modifiers Open
View article: Development of a Validated High-Performance Thin-Layer Chromatography (HPTLC) Analysis Protocol for Salivary Caffeine Used as a Probe Drug
Development of a Validated High-Performance Thin-Layer Chromatography (HPTLC) Analysis Protocol for Salivary Caffeine Used as a Probe Drug Open
CYP1A2 activity plays a critical role in the metabolism of drugs such as caffeine, clozapine, propranolol, and warfarin. In pharmacogenomic studies, caffeine is a probe drug of choice for CYP1A2 phenotyping. Due to the non-invasive nature …
View article: Retraction Note: A facile low temperature synthesis of TiO2 nanorods for high efficiency dye sensitized solar cells
Retraction Note: A facile low temperature synthesis of TiO2 nanorods for high efficiency dye sensitized solar cells Open
View article: Retraction Note: Hydrothermal synthesis of hierarchical WO3 nanostructures for dye-sensitized solar cells
Retraction Note: Hydrothermal synthesis of hierarchical WO3 nanostructures for dye-sensitized solar cells Open
View article: Correction to: Advances in Nanocomposite Materials for Environmental and Energy Harvesting Applications
Correction to: Advances in Nanocomposite Materials for Environmental and Energy Harvesting Applications Open
View article: Retraction notice to “Biogenic synthesis and cytotoxic effects of silver nanoparticles mediated by white rot fungi” [Heliyon 7 (2021) e06470]
Retraction notice to “Biogenic synthesis and cytotoxic effects of silver nanoparticles mediated by white rot fungi” [Heliyon 7 (2021) e06470] Open
[This retracts the article DOI: 10.1016/j.heliyon.2021.e06470.].
View article: Expression of concern: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives
Expression of concern: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives Open
Expression of concern for ‘Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives’ by Reza Taheri-Ledari et al. , RSC Adv. , 2021, 11 ,…
View article: Expression of concern: Investigation of the biological activity, mechanical properties and wound healing application of a novel scaffold based on lignin–agarose hydrogel and silk fibroin embedded zinc chromite nanoparticles
Expression of concern: Investigation of the biological activity, mechanical properties and wound healing application of a novel scaffold based on lignin–agarose hydrogel and silk fibroin embedded zinc chromite nanoparticles Open
Expression of concern for ‘Investigation of the biological activity, mechanical properties and wound healing application of a novel scaffold based on lignin–agarose hydrogel and silk fibroin embedded zinc chromite nanoparticles’ by Reza Ei…
View article: Expression of concern: Acceleration of ammonium phosphate hydrolysis using TiO<sub>2</sub> microspheres as a catalyst for hydrogen production
Expression of concern: Acceleration of ammonium phosphate hydrolysis using TiO<sub>2</sub> microspheres as a catalyst for hydrogen production Open
Expression of concern for ‘Acceleration of ammonium phosphate hydrolysis using TiO 2 microspheres as a catalyst for hydrogen production’ by Ayman H. Zaki et al. , Nanoscale Adv. , 2020, 2 , 2080–2086, https://doi.org/10.1039/D0NA00204F.
View article: Expression of concern: Facile route to synthesize Fe<sub>3</sub>O<sub>4</sub>@acacia–SO<sub>3</sub>H nanocomposite as a heterogeneous magnetic system for catalytic applications
Expression of concern: Facile route to synthesize Fe<sub>3</sub>O<sub>4</sub>@acacia–SO<sub>3</sub>H nanocomposite as a heterogeneous magnetic system for catalytic applications Open
Expression of concern for ‘Facile route to synthesize Fe 3 O 4 @acacia–SO 3 H nanocomposite as a heterogeneous magnetic system for catalytic applications’ by Reza Taheri-Ledari et al. , RSC Adv. , 2020, 10 , 40055–40067, https://doi.org/10…
View article: Retraction Note: Facile approach to prepare ZnO@SiO2 nanomaterials for photocatalytic degradation of some organic pollutant models
Retraction Note: Facile approach to prepare ZnO@SiO2 nanomaterials for photocatalytic degradation of some organic pollutant models Open
View article: Retraction Note to: Surfactant-assisted hydrothermal synthesis of titania nanoparticles for solar cell applications
Retraction Note to: Surfactant-assisted hydrothermal synthesis of titania nanoparticles for solar cell applications Open
View article: Retraction Note to: An investigation on the properties of SnO2 nanoparticles synthesized using two different methods
Retraction Note to: An investigation on the properties of SnO2 nanoparticles synthesized using two different methods Open
View article: Retraction Note to: Organic acid precursor synthesis and environmental photocatalysis applications of mesoporous anatase TiO2 doped with different transition metal ions
Retraction Note to: Organic acid precursor synthesis and environmental photocatalysis applications of mesoporous anatase TiO2 doped with different transition metal ions Open
View article: Retraction to “Silver-Doped Cadmium Selenide/Graphene Oxide-Filled Cellulose Acetate Nanocomposites for Photocatalytic Degradation of Malachite Green toward Wastewater Treatment”
Retraction to “Silver-Doped Cadmium Selenide/Graphene Oxide-Filled Cellulose Acetate Nanocomposites for Photocatalytic Degradation of Malachite Green toward Wastewater Treatment” Open
[This retracts the article DOI: 10.1021/acsomega.1c02667.].
View article: Expression of concern: Electrospun nanofibrous membranes of cellulose acetate containing hydroxyapatite co-doped with Ag/Fe: morphological features, antibacterial activity and degradation of methylene blue in aqueous solution
Expression of concern: Electrospun nanofibrous membranes of cellulose acetate containing hydroxyapatite co-doped with Ag/Fe: morphological features, antibacterial activity and degradation of methylene blue in aqueous solution Open
Expression of concern for ‘Electrospun nanofibrous membranes of cellulose acetate containing hydroxyapatite co-doped with Ag/Fe: morphological features, antibacterial activity and degradation of methylene blue in aqueous solution’ by Ahmed…
View article: Expression of Concern: Statistical optimization of photo-induced biofabrication of silver nanoparticles using the cell extract of <i>Oscillatoria limnetica</i>: insight on characterization and antioxidant potentiality
Expression of Concern: Statistical optimization of photo-induced biofabrication of silver nanoparticles using the cell extract of <i>Oscillatoria limnetica</i>: insight on characterization and antioxidant potentiality Open
Expression of Concern for ‘Statistical optimization of photo-induced biofabrication of silver nanoparticles using the cell extract of Oscillatoria limnetica : insight on characterization and antioxidant potentiality’ by Rasha A. Abo-Elmagd…
View article: Expression of concern: Synthesis and characterization of a new ZIF-67@MgAl<sub>2</sub>O<sub>4</sub> nanocomposite and its adsorption behaviour
Expression of concern: Synthesis and characterization of a new ZIF-67@MgAl<sub>2</sub>O<sub>4</sub> nanocomposite and its adsorption behaviour Open
Expression of concern for ‘Synthesis and characterization of a new ZIF-67@MgAl 2 O 4 nanocomposite and its adsorption behaviour’ by Mehdi Davoodi et al. , RSC Adv. , 2021, 11 , 13245–13255, https://doi.org/10.1039/D1RA01056E
View article: Expression of Concern: Solid-state dye-sensitized solar cells based on Zn<sub>1−<i>x</i></sub>Sn<sub><i>x</i></sub>O nanocomposite photoanodes
Expression of Concern: Solid-state dye-sensitized solar cells based on Zn<sub>1−<i>x</i></sub>Sn<sub><i>x</i></sub>O nanocomposite photoanodes Open
Expression of Concern for ‘Solid-state dye-sensitized solar cells based on Zn 1− x Sn x O nanocomposite photoanodes’ by Ayat Nasr El-Shazly et al. , RSC Adv. , 2018, 8 , 24059–24067, DOI: https://doi.org/10.1039/c8ra02852d.
View article: Expression of concern: Cobalt metal–organic framework-based ZIF-67 for the trace determination of herbicide molinate by ion mobility spectrometry: investigation of different morphologies
Expression of concern: Cobalt metal–organic framework-based ZIF-67 for the trace determination of herbicide molinate by ion mobility spectrometry: investigation of different morphologies Open
Expression of concern for ‘Cobalt metal–organic framework-based ZIF-67 for the trace determination of herbicide molinate by ion mobility spectrometry: investigation of different morphologies’ by Mehdi Davoodi et al. , RSC Adv. , 2021, 11 ,…
View article: Expression of concern: High cytotoxic activity of ZnO@leucovorin nanocomposite based materials against an MCF-7 cell model
Expression of concern: High cytotoxic activity of ZnO@leucovorin nanocomposite based materials against an MCF-7 cell model Open
Expression of concern for ‘High cytotoxic activity of ZnO@leucovorin nanocomposite based materials against an MCF-7 cell model’ by Mohamed Fathi Sanad et al , Anal. Methods , 2020, 12 , 2176–2184, https://doi.org/10.1039/D0AY00498G.
View article: Expression of Concern: Convenient conversion of hazardous nitrobenzene derivatives to aniline analogues by Ag nanoparticles, stabilized on a naturally magnetic pumice/chitosan substrate
Expression of Concern: Convenient conversion of hazardous nitrobenzene derivatives to aniline analogues by Ag nanoparticles, stabilized on a naturally magnetic pumice/chitosan substrate Open
Expression of Concern for ‘Convenient conversion of hazardous nitrobenzene derivatives to aniline analogues by Ag nanoparticles, stabilized on a naturally magnetic pumice/chitosan substrate’ by Reza Taheri-Ledari et al. , RSC Adv. , 2020, …
View article: Expression of Concern: Concordantly fabricated heterojunction ZnO–TiO<sub>2</sub> nanocomposite electrodes <i>via</i> a co-precipitation method for efficient stable quasi-solid-state dye-sensitized solar cells
Expression of Concern: Concordantly fabricated heterojunction ZnO–TiO<sub>2</sub> nanocomposite electrodes <i>via</i> a co-precipitation method for efficient stable quasi-solid-state dye-sensitized solar cells Open
Expression of concern for ‘Concordantly fabricated heterojunction ZnO–TiO 2 nanocomposite electrodes via a co-precipitation method for efficient stable quasi-solid-state dye-sensitized solar cells’ by Ahmed Esmail Shalan et al. , RSC Adv. …
View article: Expression of concern: Optimization of a compact layer of TiO<sub>2</sub><i>via</i> atomic-layer deposition for high-performance perovskite solar cells
Expression of concern: Optimization of a compact layer of TiO<sub>2</sub><i>via</i> atomic-layer deposition for high-performance perovskite solar cells Open
Expression of concern for ‘Optimization of a compact layer of TiO 2 via atomic-layer deposition for high-performance perovskite solar cells’ by Ahmed Esmail Shalan et al. , Sustainable Energy Fuels , 2017, 1 , 1533–1540, https://doi.org/10…
View article: Expression of concern: Ultrasound-assisted diversion of nitrobenzene derivatives to their aniline equivalents through a heterogeneous magnetic Ag/Fe<sub>3</sub>O<sub>4</sub>-IT nanocomposite catalyst
Expression of concern: Ultrasound-assisted diversion of nitrobenzene derivatives to their aniline equivalents through a heterogeneous magnetic Ag/Fe<sub>3</sub>O<sub>4</sub>-IT nanocomposite catalyst Open
Expression of concern for ‘Ultrasound-assisted diversion of nitrobenzene derivatives to their aniline equivalents through a heterogeneous magnetic Ag/Fe 3 O 4 -IT nanocomposite catalyst’ by Reza Taheri-Ledari et al. , New J. Chem. , 2020, …
View article: Expression of concern: Versatile plasmonic-effects at the interface of inverted perovskite solar cells
Expression of concern: Versatile plasmonic-effects at the interface of inverted perovskite solar cells Open
Expression of concern for ‘Versatile plasmonic-effects at the interface of inverted perovskite solar cells’ by Ahmed Esmail Shalan, et al. , Nanoscale , 2017, 9 , 1229–1236, https://doi.org/10.1039/C6NR06741G.
View article: Expression of Concern: The controlled synthesis and DFT investigation of novel (0D)–(3D) ZnS/SiO<sub>2</sub> heterostructures for photocatalytic applications
Expression of Concern: The controlled synthesis and DFT investigation of novel (0D)–(3D) ZnS/SiO<sub>2</sub> heterostructures for photocatalytic applications Open
Expression of Concern for ‘The controlled synthesis and DFT investigation of novel (0D)–(3D) ZnS/SiO 2 heterostructures for photocatalytic applications’ by Mohamed F. Sanad et al. , RSC Adv. , 2021, 11 , 22352–22364, https://doi.org/10.103…
View article: Expression of concern: Tin–zinc-oxide nanocomposites (SZO) as promising electron transport layers for efficient and stable perovskite solar cells
Expression of concern: Tin–zinc-oxide nanocomposites (SZO) as promising electron transport layers for efficient and stable perovskite solar cells Open
Expression of concern for ‘Tin–zinc-oxide nanocomposites (SZO) as promising electron transport layers for efficient and stable perovskite solar cells’ by Ahmed E. Shalan et al. , Nanoscale Adv. , 2019, 1 , 2654–2662, DOI: https://doi.org/1…
View article: A review on 2D-ZnO nanostructure based biosensors: from materials to devices
A review on 2D-ZnO nanostructure based biosensors: from materials to devices Open
2D ZnO nanostructure-based biosensors: synthesis, classification, types and applications.
View article: Fenestrated-branched endovascular repair for distal thoracoabdominal aortic pathology after total aortic arch replacement with frozen elephant trunk
Fenestrated-branched endovascular repair for distal thoracoabdominal aortic pathology after total aortic arch replacement with frozen elephant trunk Open