All Outputs (47)

The effect of the presence of Sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) on the interactions between Sodium dodecyl sulfate (SDS) and protein papain (2017)
Journal Article
Mehta, S. K., Bhawna, Rekha, Kansal, S. K., & Ibhadon, A. O. (2017). The effect of the presence of Sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) on the interactions between Sodium dodecyl sulfate (SDS) and protein papain. Journal of Molecular Liquids, 248, 751-758. https://doi.org/10.1016/j.molliq.2017.10.083

Interactions between mixed anionic surfactants: Sodium dodecyl sulfate (SDS) and Sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) and papain were investigated over the entire mole fraction range of SDS i.e. αSDS. The UV–visible and fluorescence behavio... Read More about The effect of the presence of Sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) on the interactions between Sodium dodecyl sulfate (SDS) and protein papain.

Process intensification of alkynol semihydrogenation in a tube reactor coated with a Pd/ZnO catalyst (2017)
Journal Article
Cherkasov, N., Bai, Y., & Rebrov, E. (2017). Process intensification of alkynol semihydrogenation in a tube reactor coated with a Pd/ZnO catalyst. Catalysts, 7(12), Article 358. https://doi.org/10.3390/catal7120358

Semihydrogenation of 2-methyl-3-butyn-2-ol (MBY) was studied in a 5 m tube reactor wall-coated with a 5 wt % Pd/ZnO catalyst. The system allowed for the excellent selectivity towards the intermediate alkene of 97.8 ± 0.2% at an ambient H2 pressure an... Read More about Process intensification of alkynol semihydrogenation in a tube reactor coated with a Pd/ZnO catalyst.

Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties (2017)
Journal Article
Ibhadon, A. O., Francesconi, M. G., & Johnston, S. K. (2017). Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties. Chemical Engineering & Process Techniques, 3(3), Article 1044

The manufacture of chemicals requires innovation at the catalyst frontier so that processes can be developed with higher energy efficiency and increased facility of separation and recovery of products. Catalysts with high selectivity and activity con... Read More about Nanoparticulate Pd-Sn Compounds Supported on Metal Oxides: Synthesis, Material and Catalytic Properties.

Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance (2017)
Journal Article
Johnston, S. K., Cherkasov, N., Perez-Barrado, E., Aho, A., Murzin, D. Y., Ibhadon, A. O., & Francesconi, M. G. (2017). Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance. Applied catalysis. A, General, 544, 40-45. https://doi.org/10.1016/j.apcata.2017.07.005

The two catalysts Pd₃Sn/TiO₂and Pd3Sn/ZnO were prepared via a one-pot procedure based on the “polyol method” with the addition of a capping agent (polyvinylpyrrolidone) to control the particle size distribution. The same procedure was used to prepare... Read More about Pd₃Sn nanoparticles on TiO₂ and ZnO supports as catalysts for semi-hydrogenation : synthesis and catalytic performance.

Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates (2017)
Journal Article
Kaur, A., Ibhadon, A., & Kansal, S. K. (2017). Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates. Journal of materials science, 52(9), 5256-5267. https://doi.org/10.1007/s10853-017-0766-6

In this study, Ag-doped ZnO microplates were prepared via precipitation technique and further characterized by FESEM, EDS, XRD, FTIR, TGA, XPS, UV-DRS and RT-PL techniques. The outcomes indicated that Ag+ ions were well incorporated into ZnO lattice... Read More about Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates.

Low temperature plasma-catalytic NOx synthesis in a packed DBD reactor: effect of support materials and supported active metal oxides (2016)
Journal Article
Patil, B., Cherkasov, N., Lang, J., Ibhadon, A., Hessel, V., & Wang, Q. (2016). Low temperature plasma-catalytic NOx synthesis in a packed DBD reactor: effect of support materials and supported active metal oxides. Applied catalysis. B, Environmental, 194, 123-133. https://doi.org/10.1016/j.apcatb.2016.04.055

The direct synthesis of NOx from N2 and O2 by non-thermal plasma at an atmospheric pressure and low temperature is presented, which is considered to be an attractive option for replacement of the Haber-Bosch process. In this study, the direct synthes... Read More about Low temperature plasma-catalytic NOx synthesis in a packed DBD reactor: effect of support materials and supported active metal oxides.

Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol (2016)
Journal Article
Cherkasov, N., Al-Rawashdeh, M. ’., Ibhadon, A. O., & Rebrov, E. V. (2016). Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol. Catalysis Today, 273, 205-212. https://doi.org/10.1016/j.cattod.2016.03.028

A 2.5 wt.% Pd/ZnO catalytic coating has been deposited onto the inner wall of capillary reactors with a diameter of 0.53 and 1.6 mm. The coatings were characterised by XRD, SEM, TEM and elemental analysis. The performance of catalytic reactors was st... Read More about Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol.

Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst (2016)
Journal Article
Cherkasov, N., Ibhadon, A. O., & Rebrov, E. V. (2016). Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst. Applied catalysis. A, General, 515, 108-115. https://doi.org/10.1016/j.apcata.2016.01.019

© 2016 Elsevier B.V. All rights reserved. A solvent-free semihydrogenation of 2-methyl-3-butyn-2-ol (MBY) to 2-methyl-3-buten-2-ol was performed in a capillary reactor (10 m long, 0.53 mm i.d.) coated with a titania supported Pd-Bi catalyst. Several... Read More about Solvent-free semihydrogenation of acetylene alcohols in a capillary reactor coated with a Pd-Bi/TiO2 catalyst.

Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts (2015)
Journal Article
Tripathi, B., Paniwnyk, L., Cherkasov, N., Ibhadon, A. O., Lana Villarreal, T., & Gómez, R. (2015). Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts. Ultrasonics Sonochemistry, 26, 445-451. https://doi.org/10.1016/j.ultsonch.2015.03.006

The selective hydrogenation of 2-methyl-3-butyn-2-ol (MBY) was performed in the presence of Lindlar catalyst, comparing conventional stirring with sonication at different frequencies of 40, 380 and 850 kHz. Under conventional stirring, the reaction r... Read More about Ultrasound-assisted selective hydrogenation of C-5 acetylene alcohols with Lindlar catalysts.

Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol (2015)
Journal Article
Cherkasov, N., Ibhadon, A. O., McCue, A. J., Anderson, J. A., & Johnston, S. K. (2015). Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol. Applied catalysis. A, General, 497, 22-30. https://doi.org/10.1016/j.apcata.2015.02.038

The effects of poisoning of Pd catalysts with Bi and annealing in a polyol (ethylene glycol) were studied on the semi-hydrogenation of 2-methyl-3-butyn-2-ol (MBY). An increase in the Pd:Bi ratio from 7 to 1 in the Bi-poisoned catalysts decreased the... Read More about Palladium-bismuth intermetallic and surface-poisoned catalysts for the semi-hydrogenation of 2-methyl-3-butyn-2-ol.

Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors (2015)
Journal Article
Cherkasov, N., Ibhadon, A. O., & Rebrov, E. V. (2015). Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors. Lab on a chip, 15(8), 1952-1960. https://doi.org/10.1039/c4lc01066c

Catalysis in microreactors allows reactions to be performed in a very small volume, reducing the environmental problems and greatly intensifying the processes through easy pressure control and the elimination of heat- and mass-transfer limitations. I... Read More about Novel synthesis of thick wall coatings of titania supported Bi poisoned Pd catalysts and application in selective hydrogenation of acetylene alcohols in capillary microreactors.

A review of the existing and alternative methods for greener nitrogen fixation (2015)
Journal Article
Cherkasov, N., Ibhadon, A. O., & Fitzpatrick, P. (2015). A review of the existing and alternative methods for greener nitrogen fixation. Chemical Engineering and Processing: Process Intensification, 90, 24-33. https://doi.org/10.1016/j.cep.2015.02.004

© 2015 Elsevier B.V. The conversion of atmospheric nitrogen into valuable substances such as fertilisers and fine chemicals is essential for agriculture and many other processes that sustain life on the planet. Although the Haber-Bosch process is the... Read More about A review of the existing and alternative methods for greener nitrogen fixation.

Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation (2015)
Journal Article
Wu, Z., Cherkasov, N., Cravotto, G., Borretto, E., Ibhadon, A. O., Medlock, J., & Bonrath, W. (2015). Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation. ChemCatChem, 7(6), 952-959. https://doi.org/10.1002/cctc.201402999

The effect of environmentally benign enabling technologies such as ultrasound and microwaves on the preparation of the lead-free Pd catalyst has been studied. A one-pot method of the catalyst preparation using ultrasound-assisted dispersion of pallad... Read More about Ultrasound- and microwave-assisted preparation of lead-free palladium catalysts: effects on the kinetics of diphenylacetylene semi-hydrogenation.

Template synthesis and characterization of carbon nanomaterials from ferrocene crystals (2014)
Journal Article
Cherkasov, N., Savilov, S. V., Ivanov, A. S., Egorov, A. V., Lunin, V. V., & Ibhadon, A. O. (2014). Template synthesis and characterization of carbon nanomaterials from ferrocene crystals. Applied Surface Science, 308, 388-395. https://doi.org/10.1016/j.apsusc.2014.04.181

Filamentous ribbon-like structures of highly disordered carbon of thickness 10-100 nm built from merged individual carbon nanofibers were synthesised by chemical vapour deposition from saturated ferrocene-benzene solution at 950 K. The materials obta... Read More about Template synthesis and characterization of carbon nanomaterials from ferrocene crystals.

Recent Developments in Catalytic Micro Process Engineering for Fine Chemicals Synthesis (2013)
Journal Article
Escriba, M., & Ibhadon, A. (2013). Recent Developments in Catalytic Micro Process Engineering for Fine Chemicals Synthesis. Recent Patents on Catalysis, 2(2), 101-115. https://doi.org/10.2174/2211548x113029990006

In this review, recent developments in fine chemicals synthesis, catalysis, microreactor design and applications are discussed. Specifically, new advances in continuous micro process engineering, packed-bed devices and photoreactors are discussed to... Read More about Recent Developments in Catalytic Micro Process Engineering for Fine Chemicals Synthesis.

Heterogeneous photocatalysis: Recent advances and applications (2013)
Journal Article
Ibhadon, A. O., & Fitzpatrick, P. (2013). Heterogeneous photocatalysis: Recent advances and applications. Catalysts, 3(1), 189-218. https://doi.org/10.3390/catal3010189

Semiconductor heterogeneous photocatalysis, the subject of this review, is a versatile, low-cost and environmentally benign treatment technology for a host of pollutants. These may be of biological, organic and inorganic in origin within water and ai... Read More about Heterogeneous photocatalysis: Recent advances and applications.

Design and synthesis of polymetallic nanoparticles and their catalytic applications (2010)
Journal Article
Ibhadon, A. O., Yue, Y., & Greenway, G. M. (2011). Design and synthesis of polymetallic nanoparticles and their catalytic applications. Materials letters, 65(4), 602-605. https://doi.org/10.1016/j.matlet.2010.11.011

High-temperature hydrogen reduction reactions enable the synthesis and processing of binary metal oxide composite nanoparticles starting from titanium, ruthenium, and silicon, while the use of a surface modifier and an organic surfactant enables the... Read More about Design and synthesis of polymetallic nanoparticles and their catalytic applications.

Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments (2010)
Journal Article
Ibbotson, J., & Ibhadon, A. O. (2010). Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments. Marine pollution bulletin, 60(7), 1136-1141. https://doi.org/10.1016/j.marpolbul.2010.03.024

Sediment samples from multiple sites in the North Sea Coast of England were solvent extracted and analysed by a quadruple gas chromatograph equipped with a mass spectrometer detector in order to determine the concentration and distribution of aliphat... Read More about Origin and analysis of aliphatic and cyclic hydrocarbons in northeast United Kingdom coastal marine sediments.

Physical Chemistry Examinations (2010)
Book
Ibhadon, A. (2010). Physical Chemistry Examinations. Nova Science

This book was written to meet the needs and demands of students who find studying physical chemistry a difficult and at times a frustrating experience. The author have observed over several years of teaching this subject at the undergraduate level th... Read More about Physical Chemistry Examinations.

The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam (2008)
Journal Article
Ibhadon, A. O., Greenway, G. M., Yue, Y., Falaras, P., & Tsoukleris, D. (2008). The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam. Applied catalysis. B, Environmental, 84(3-4), 351-355. https://doi.org/10.1016/j.apcatb.2008.04.019

A porous organic-inorganic hybrid titania foam, prepared from a long chain organic surfactant, hexadecylamine (HDA) and a semiconductor powder was characterized by microscopic and spectroscopic techniques and photocatalytically evaluated for the solu... Read More about The photocatalytic activity and kinetics of the degradation of an anionic azo-dye in a UV irradiated porous titania foam.