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1

Intramolecular triplet excimer formation in 1,3-diphenylpropane

Phaedon Avouris, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1973

Language:

english

File:

PDF, 333 KB

english, 1973

2

Intramolecular interactions and luminescence properties of rigid and non-rigid phenylalkylcarboxylic acids

J. Tournon, M. Abu-Elgheit, Ph. Avouris, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1974

Language:

english

File:

PDF, 329 KB

english, 1974

3

Time-resolved fluorescence study of intramolecular excimer interaction in dinaphthylpropane

Phaedon Avouris, J. Kordas, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1974

Language:

english

File:

PDF, 350 KB

english, 1974

4

Emission studies of 9-cyanoanthracene excimers generated in glassy and crystalline matrices

S.E. Morsi, D. Carr, M. Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1978

Language:

english

File:

PDF, 342 KB

english, 1978

5

Excited-state phenomena associated with solvation site heterogeneity: a large edge-excitation red-shift in a merocyanine dye-ethanol solution

Khader A. Al-Hassan, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1980

Language:

english

File:

PDF, 315 KB

english, 1980

6

A unique excitation wavelength dependence of excited-state proton transfer in para-N,N-dimethylaminosalicylic acid

Nahid Shabestary, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 415 KB

english, 1984

7

Edge-excitation red-shift of the fluorescence of flexible solute molecules that may assume different geometries

Khader A. Al-Hassan, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1986

Language:

english

File:

PDF, 199 KB

english, 1986

8

Large edge-excitation red-shift of the fluorescence of an ethanol solution of 4-amino-4'-nitrodiphenyl (and). The case of a solute with a dipole moment increase in the excited state

Khader A. Al-Hassan, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1987

Language:

english

File:

PDF, 275 KB

english, 1987

9

Ultrafast dynamics of sterically hindered tetraphenylmethylbutadiene in liquids

Rebecca L. Rucker, Benjamin J. Schwartz, M. Ashraf El-Bayoumi, Charles B. Harris

Journal:

Chemical Physics Letters

Year:

1995

Language:

english

File:

PDF, 618 KB

english, 1995

10

Anomalous fluorescence lifetimes of organic molecules

M. Ashraf El-Bayoumi, Jean-Paul Dalle, Michael F. O'Dwyer

Journal:

Journal of Luminescence

Year:

1970

Language:

english

File:

PDF, 535 KB

english, 1970

11

LCI Pariser-Parr-Pople calculations of π-electron systems in nitrogen-heterocyclic molecules. Correlation with spectral data

Richard W. Wagner, Petr Hochmann, M.Ashraf El-Bayoumi

Journal:

Journal of Molecular Spectroscopy

Year:

1975

Language:

english

File:

PDF, 860 KB

english, 1975

12

Intramolecular excimer formation in polyamides with widely separated naphthyl groups in the backbone

J. A. Ibemesi, J. B. Kinsinger, M. Ashraf El-Bayoumi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1980

Language:

english

File:

PDF, 597 KB

english, 1980

13

Large edge-excitation red shift for a merocyanine dye in poly(vinyl alcohol) polymer matrix

Khader A. Al-Hassan, M. Ashraf El-Bayoumi

Journal:

Journal of Polymer Science Part B: Polymer Physics

Year:

1987

Language:

english

File:

PDF, 325 KB

english, 1987

14

Solvent-induced intramolecular exciplex fluorescence of β-naphthylmethyl amine

J.A. Ibemesi, M. Ashraf El-Bayoumi, J.B. Kinsinger

Journal:

Chemical Physics Letters

Year:

1978

Language:

english

File:

PDF, 268 KB

english, 1978

15

Excited-state double proton transfer in 1-azacarbazole hydrogen-bonded dimers

Chenpin Chang, Nahid Shabestary, M.Ashraf El-Bayoumi

Journal:

Chemical Physics Letters

Year:

1980

Language:

english

File:

PDF, 303 KB

english, 1980

16

FLUORESCENCE QUENCHING IN PHENYLALANINE AND MODEL COMPOUNDS

J. TOURNON, E. KUNTZ, M. ASHRAF EL-BAYOUMI

Journal:

Photochemistry and Photobiology

Year:

1972

Language:

english

File:

PDF, 483 KB

english, 1972

17

EXCITED STATE INTERACTIONS OF 7-AZAINDOLE WITH ALCOHOL AND WATER

Phaedon Avouris, Li L. Yang, M. Ashraf El-Bayoumi

Journal:

Photochemistry and Photobiology

Year:

1976

Language:

english

File:

PDF, 458 KB

english, 1976

18

QUENCHING OF INTRAMOLECULAR AMINE-HYDROCARBON EXCIPLEX FLUORESCENCE BY WATER

J. A. Ibemesi, M. Ashraf El-Bayoumi

Journal:

Photochemistry and Photobiology

Year:

1980

Language:

english

File:

PDF, 228 KB

english, 1980

19

Intramolecular interactions in aromatic amino acids and model compounds

Tournon, Jacques, El-Bayoumi, M. Ashraf

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 350 KB

english, 1971

20

Tension gastrothorax: a case report and review of literature

Magdy Zedan, Mohammed El-Ghazaly, Ashraf Fouda, Mohammed El-Bayoumi

Journal:

Journal of Pediatric Surgery

Year:

2008

Language:

english

File:

PDF, 126 KB

english, 2008

21

Interaction of .alpha.-chymotrypsin with the fluorescent probe 1-anilinonaphthalene-8-sulfonate in solution

Johnson, J. David, El-Bayoumi, M. Ashraf, Weber, Lawrence D., Tulinsky, A.

Journal:

Year:

1979

Language:

english

File:

PDF, 599 KB

english, 1979

22

Does Decline of Lung Function in Wheezy Infants Justify the Early Start of Controller Medications?

Magdy Zedan, Nehad Nasef, Mohamed El-Bayoumy, Mohamed El-Assmy, Gehan Attia, Mohamed Zedan, Angi AlWakeel, Shaimaa Kandil, Wafaa Laimon, Ashraf Fouda

Journal:

Indian Journal of Pediatrics

Year:

2012

Language:

english

File:

PDF, 104 KB

english, 2012

23

Excited state spectra and dynamics of phenyl-substituted butadienes

Wallace-Williams, Stacie E., Schwartz, Benjamin J., Moeller, Soeren, Goldbeck, Robert A., Yee, W. Atom, El-Bayoumi, M. Ashraf, Kliger, David S.

Journal:

Journal of Physical Chemistry

Year:

1994

Language:

english

File:

PDF, 1012 KB

english, 1994

24

A Spectrophotometric Method for the Determination of the Catecholase Activity of Tyrosinase and Some of its Applications 1

El-Bayoumi, Mohamed Ashraf, Frieden, Earl

Journal:

Journal of the American Chemical Society

Year:

1957

Language:

english

File:

PDF, 569 KB

english, 1957

25

Relaxation processes in excited molecular systems

El-Bayoumi, M. Ashraf

Journal:

Journal of Physical Chemistry

Year:

1976

Language:

english

File:

PDF, 653 KB

english, 1976

26

Confirmation of biprotonic phototautomerism in 7-azaindole hydrogen-bonded dimers

Ingham, Kenneth C., Abu-Elgheit, M., El-Bayoumi, M. Ashraf

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 307 KB

english, 1971

27

Photoinduced double proton transfer in a model hydrogen bonded base pair. Effects of temperature and deuterium substitution

Ingham, Kenneth, El-Bayoumi, M. Ashraf

Journal:

Journal of the American Chemical Society

Year:

1974

Language:

english

File:

PDF, 999 KB

english, 1974

28

Excited-State Two-Proton Tautomerism in Hydrogen-Bonded N-Heterocyclic Base Pairs

Carl Al Taylor, M. Ashraf El-Bayoumi and Michael Kasha

Journal:

Proceedings of the National Academy of Sciences

Year:

1969

Language:

english

File:

PDF, 848 KB

english, 1969

29

Electronic spectra and structures of Schiff's bases. I. Benzanils

El-Bayoumi, M. Ashraf, El-Aasser, M., Abdel-Halim, F.

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 562 KB

english, 1971

30

Electronic spectra and structures of Schiff's bases. II. N-benzylimines

El-Bayoumi, M. Ashraf, El-Aasser, M., Abdel-Halim, F.

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 304 KB

english, 1971

31

Fluorescence lifetimes of molecules that undergo large configurational changes upon excitation

El-Bayoumi, M. Ashraf., Dalle, Jean P., O'Dwyer, F.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 287 KB

english, 1970

32

Expression of functionality of .alpha.-chymotrypsin. The structure of a fluorescent probe-.alpha.-chymotrypsin complex and the nature of its pH dependence

Weber, Lawrence D., Tulinsky, A., Johnson, J. David, El-Bayoumi, M. Ashraf

Journal:

Year:

1979

Language:

english

File:

PDF, 859 KB

english, 1979

33

Excited state intramolecular torsional relaxation. Viscosity, temperature, and medium effects on the fluorescence characteristics of a sterically crowded molecule

Kordas, Joseph, El-Bayoumi, M. Ashraf

Journal:

Journal of the American Chemical Society

Year:

1974

Language:

english

File:

PDF, 667 KB

english, 1974

34

Intramolecular Charge-Transfer Bands Observed in the Spectra of Some Aryl Boron Compounds

Ramsey, B., El-Bayoumi, M. Ashraf, Kasha, M.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 376 KB

english, 1961

35

Comparison of Localized and Delocalized Models for n→π

El-Bayoumi, M. Ashraf, Kearns, David R.

Journal:

The Journal of Chemical Physics

Year:

1962

Language:

english

File:

PDF, 404 KB

english, 1962

36

Luminescence of 9-cyanoanthracene. Identification of new excimeric species

Ebeid, El-Zeiny M., Morsi, Salah E., El-Bayoumi, M. Ashraf, Williams, John O.

Journal:

Journal of the Chemical Society Faraday Transactions 1

Year:

1978

Language:

english

File:

PDF, 620 KB

english, 1978

37

n and π Ionization Potentials of Nitrogen Heterocyclic Molecules from Charge-Transfer Absorption of Their Complexes

El-Bayoumi, M. Ashraf

Journal:

The Journal of Chemical Physics

Year:

1967

Language:

english

File:

PDF, 423 KB

english, 1967

38

Observation of Anomalous Phosphorescence-Fluorescence Intensity Ratio in Excitation of Upper Electronic States of Certain Aromatic Hydrocarbons

O'Dwyer, M. F., El-Bayoumi, M. Ashraf, Strickler, S. J.

Journal:

The Journal of Chemical Physics

Year:

1962

Language:

english

File:

PDF, 373 KB

english, 1962

39

Dynamics of double proton transfer in the excited state of 7-azaindole hydrogen bonded dimer. A time-resolved fluorescence study

El-Bayoumi, M. Ashraf

Journal:

The Journal of Chemical Physics

Year:

1975

Language:

english

File:

PDF, 382 KB

english, 1975

40

Comparison of Exciton and Molecular Orbital Calculations on n→π

Kearns, David R., El-Bayoumi, M. Ashraf

Journal:

The Journal of Chemical Physics

Year:

1963

Language:

english

File:

PDF, 1000 KB

english, 1963

41

Energy Transfer in Hydrogen-Bonded N-Heterocyclic Complexes and Their Possible Role as Energy Sinks

El-Bayoumi, M. Ashraf, Kasha, M.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 394 KB

english, 1961

42

Effect of Intramolecular Twisting on the Fluorescence Spectra of Sterically Hindered Tetraphenylbutadienes

El-Bayoumi, M. Ashraf

Journal:

The Journal of Chemical Physics

Year:

1968

Language:

english

File:

PDF, 567 KB

english, 1968

43

Study of Reactivity of a Chain-Bound Molecular Moiety by Intermolecular Exciplex Formation

Ibemesi, J. A., Kinsinger, J. B., El-bayoumi, M. Ashraf

Journal:

Journal of Macromolecular Science Part A - Chemistry

Year:

1980

Language:

english

File:

PDF, 391 KB

english, 1980

44

The exciton model in molecular spectroscopy

Kasha, M., Rawls, H. R., Ashraf El-Bayoumi, M.

Journal:

Pure & Applied Chemistry

Year:

1965

Language:

english

File:

PDF, 778 KB

english, 1965

45

Interaction of amine-hydrocarbon exciplexes with polar molecules

Ibemesi, J. A., El-Bayoumi, M. Ashraf.

Journal:

Journal of Physical Chemistry

Year:

1979

Language:

english

File:

PDF, 494 KB

english, 1979

46

Effect of temperature on the oscillator strength of a nonrigid molecule

Kordas, Joseph, Avouris, Phaedon, El-Bayoumi, M. Ashraf

Journal:

Journal of Physical Chemistry

Year:

1975

Language:

english

File:

PDF, 411 KB

english, 1975

47

ChemInform Abstract: INTRAMOLEKULARE WECHSELWIRKUNGEN IN AROMATISCHEN AMINOSAEUREN UND MODELLVERBINDUNGEN

TOURNON, JACQUES, EL-BAYOUMI, M. ASHRAF

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 109 KB

1972

48

ChemInform Abstract: ELEKTRONENSPEKTREN UND STRUKTUREN VON SCHIFFSCHEN BASEN 1. MITT. BENZANILE

EL-BAYOUMI, M. ASHRAF, EL-AASSER, M., ABDEL-HALIM, F.

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 200 KB

1971

49

ChemInform Abstract: ELEKTRONENSPEKTREN UND STRUKTUREN VON SCHIFFSCHEN BASEN 2. MITT. BENZYLIDENAMINE

EL-AASSER, M., ABDEL-HALIM, F., EL-BAYOUMI, M. ASHRAF

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 119 KB

1971

50

ChemInform Abstract: PHOSPHORESZENZ-VERSTAERKUNG BEI PHENYL-SUBSTITUIERTEN METHANEN

WATSON, FRED H. JUN., EL-BAYOUMI, M. ASHRAF

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 94 KB

1972

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