Abdel-Shafi, Ayman

aaashafi@sci.asu.edu.eg
Faculty of Science
Internal ID: rp06150
  • 1,391 Scopus Citations
  • 15 PubMed Citations
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Full Name
Abdel-Shafi, Ayman
 
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https://scholar.google.com.eg/citations?user=I_07SBkAAAAJ&hl=en
https://www.researchgate.net/profile/Ayman_Abdel-Shafi
 
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Publications

Results 41-60 of 73 (Search time: 0.0 seconds).

Issue DateTitleAuthor(s)
4118-Jun-2007Mechanism of quenching by oxygen of the excited states of ruthenium(II) complexes in aqueous media. Solvent isotope effect and photosensitized generation of singlet oxygen, O<inf>2</inf>(<sup>1</sup>Δ<inf>g</inf>), by [Ru(diimine)(CN)<inf>4</inf>]<sup>2-</sup>complex ionsAbdel-Shafi, Ayman ; Ward M. ; Schmidt R. 
421-Apr-2007Inclusion complex of 2-naphthylamine-6-sulfonate with β-cyclodextrin: Intramolecular charge transfer versus hydrogen bonding effectsAyman Abdel-Shafi 
431-Mar-2007Spectroscopic studies on the inclusion complex of 2-naphthol-6-sulfonate with β-cyclodextrinAyman Abdel-Shafi 
4425-Feb-2007Photosensitized production of singlet oxygen and factors governing its decay in xenon and carbon dioxide supercritical fluidsAyman Abdel-Shafi ; Worrall D. 
455-Jan-2007Factors affecting the efficiency of excited-states interactions of complexes between some visible light-emitting lanthanide ions and cyclophanes containing spirobiindanol phosphonatesAttia M. ; Abdel-Shafi, Ayman ; Khalil, M.M.H ; Attia, G.M. ; Failla, S. ; Consiglio, G. ; Finocchiaro, P. ; Abdel-Mottaleb, M.S.A. 
4623-Jun-2006Spectrophotometric determination of manganese by using redox reaction of tris(2,2′-bipyridine)osmium(II) with Mn<sup>7+</sup>Ayman A. Abdel-Shafi 
471-Jan-2006The temperature dependent electrical transport in biphenyl derivativesSallam M. ; El-Sayed B. ; Ayman Abdel-Shafi 
4815-Oct-2005Flow injection fluorimetric determination of chromium(VI) in electroplating baths by luminescence quenching of tris(2,2′-bipyridyl) ruthenium(II)Hassan S. ; Ayman Abdel-Shafi ; Mohammed A. 
4931-May-2005Mechanism of the excited singlet and triplet states quenching by molecular oxygen in acetonitrileAyman A. Abdel-Shafi ; Worrall D. 
5018-Dec-2004Photosensitized generation of singlet oxygen from ruthenium(ii) and osmium(ii) bipyridyl complexesAyman Abdel-Shafi ; Worrall D. ; Ershov A. 
511-Feb-2002Ruthenium, osmium and rhodium-2,3-bis(2′-pyridyl)quinoxaline complexesAyman Abdel-Shafi ; Khalil M. ; Abdalla H. ; Ramadan R. ; Ramadan, Ramadan M. 
521-Jan-2002Electronic to vibrational energy conversion and charge transfer contributions during quenching by molecular oxygen of electronically excited triplet statesAyman Abdel-Shafi ; Wilkinson F. 
531-Jan-2002Solvent effects on the photophysical properties of 9,10-dicyanoanthraceneOlea A. ; Worrall D. ; Wilkinson F. ; Williams S. ; Ayman Abdel-Shafi 
542002Abdalla, HH Ruthenium, osmium and rhodium-2, 3-bis (2′-pyridyl) quinoxaline com-plexes. 69 Abdel-Rahman, MH The dangers of using KBr, KI and CaI2 as mulling agents duringAbdel-Shafi, Ayman 
551-Dec-2001Charge-transfer and non-charge-transfer processes competing in the sensitization of singlet oxygen: Formation of O<inf>2</inf>(<sup>1</sup>∑<inf>g</inf><sup>+</sup>), O<inf>2</inf>(<sup>1</sup>Δ<inf>g</inf>), and O<inf>2</inf>(<sup>3</sup>∑<inf>g</inf><sup>-</sup>) during oxygen quenching of triplet excited naphthalene derivativesSchmidt R. ; Farokh Shafii ; Claude Schweitzer ; Abdel-Shafi, Ayman ; Francis Wilkinson 
5612-Nov-2001Photosensitized generation of singlet oxygen from (substituted bipyridine)ruthenium(II) complexesAyman Abdel-Shafi ; Beer P. ; Mortimer R. ; Wilkinson F. 
5714-Sep-2001Singlet oxygen formation efficiencies following quenching of excited singlet and triplet states of aromatic hydrocarbons by molecular oxygenAyman Abdel-Shafi ; Worrall D. ; Wilkinson F. 
583-Aug-2001Photosensitised production of singlet oxygen, O<inf>2</inf><sup>7z.ast;</sup>(a<sup>1</sup>Δ<inf>g</inf>) , in the unique 'heavy-atom' solvent, supercritical fluid xenon. Pressure dependence of electronic to vibrational energy conversion during quenching of O<inf>2</inf><sup>*</sup>(a<sup>1</sup>Δ<inf>g</inf>) by xenon and by ground state oxygenAyman Abdel-Shafi ; Wilkinson F. ; Worrall D. 
591-Aug-2001Effect of β-cyclodextrin on the excited state proton transfer in 1-naphthol-2-sulfonateAyman Abdel-Shafi 
601-Mar-2001Factors affecting the rate of decay of the first excited singlet state of molecular oxygen O<inf>2</inf>(a<sup>1</sup>Δ<inf>g</inf>) in supercritical fluid carbon dioxideWorrall D. ; Ayman Abdel-Shafi ; Wilkinson F.