M.N. El-Khawaga: search on Z-Library

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1

Antibacterial, antibiofilm, and photocatalytic activities of metals-substituted spinel cobalt ferrite nanoparticles

Maksoud, M.I.A. Abdel, El-Sayyad, Gharieb S., Ashour, A.H., El-Batal, Ahmed I., Elsayed, Mohamed A., Gobara, Mohamed, El-Khawaga, Ahmed M., Abdel-Khalek, E.K., El-Okr, M.M.

Journal:

Microbial Pathogenesis

Year:

2018

Language:

english

File:

PDF, 3.59 MB

english, 2018

2

Merits of photocatalytic and antimicrobial applications of gamma-irradiated Co x Ni 1âx Fe 2 O 4 /SiO 2 /TiO 2 ; x = 0.9 nanocomposite for pyridine removal and pathogenic bacteria/fungi disinfection: implication for wastewater treatment

El-Sayyad, Gharieb S., Abd Elkodous, M., El-Khawaga, Ahmed M., Elsayed, Mohamed A., El-Batal, Ahmed I., Gobara, Mohamed

Journal:

Year:

2020

Language:

english

File:

PDF, 6.06 MB

english, 2020

3

Design, synthesis, anticorrosion efficiency, and applications of novel Gemini surfactants for preparation of small-sized hollow spheres mesoporous silica nanoparticles

El-Said, Waleed A., Moharram, Ahmed S., Hussein, Essam M., El-Khawaga, Ahmed M.

Journal:

Materials Chemistry and Physics

Year:

2018

Language:

english

File:

PDF, 13.69 MB

english, 2018

4

Effect of gamma irradiation and/or certain entomopathogenic fungi on the larval Mortality of Galleria mellonella L

Mohamed, Hussein Farid, Sileem, Thanaa Mohamed, El-Naggar, Samira Elsaid Mostafa, Sweilem, Mahmoud Abd El-Mohsen, Ibrahim, Ahmed Adly Mohamed, El-khawaga, Ola El-sayed Abd Al-azem Abd El -Ra

Journal:

Egyptian Journal of Biological Pest Control

Year:

2018

Language:

english

File:

PDF, 654 KB

english, 2018

5

Modern Friedel-Crafts Chemistry. Part 37. Efficient Syntheses of Some New Julolidines via Cyclialkylations of Heteroaryl Carbinols

Abd El-Aal, Hassan A. K., Khalaf, Ali A, El-Khawaga, Ahmed M. A

Journal:

Journal of Heterocyclic Chemistry

Year:

2014

Language:

english

File:

PDF, 573 KB

english, 2014

6

ChemInform Abstract: The Question of Friedel-Crafts Transformylations. Acid-Catalyzed Reactions of Aromatic Aldehydes with Arenes.

ROBERTS, R. M., EL-KHAWAGA, A. M., SWEENEY, K. M., EL-ZOHRY, M. F.

Journal:

Year:

1987

File:

PDF, 76 KB

1987

7

Carbon-dot-loaded CoxNi1âxFe2O4; xâ=â0.9/SiO2/TiO2 nanocomposite with enhanced photocatalytic and antimicrobial potential: An engineered nanocomposite for wastewater treatment

Abd Elkodous, M., El-Sayyad, Gharieb S., Youssry, Sally M., Nada, Hanady G., Gobara, Mohamed, Elsayed, Mohamed A., El-Khawaga, Ahmed M., Kawamura, Go, Tan, Wai Kian, El-Batal, Ahmed I., Matsuda, Atsun

Journal:

Scientific Reports

Year:

2020

File:

PDF, 4.00 MB

2020

8

Statistical optimization of glucose oxidase production fromAspergillus nigerNRC9 under submerged fermentation using response surface methodology

Farid, Mohammed A., Ghoneimy, Eglal A., El-Khawaga, Maie A., Negm-Eldein, Asmaa, Awad, Ghada E. A.

Journal:

Annals of Microbiology

Year:

2013

Language:

english

File:

PDF, 345 KB

english, 2013

9

Role of selenium on antioxidant capacity in methomyl-treated mice

Ali Y. El-Khawaga

Journal:

Journal of Physiology and Biochemistry

Year:

2005

Language:

english

File:

PDF, 936 KB

english, 2005

10

Protective action of copper (II) complex of a Schiff base against DNA damage induced by m-chloroperbenzoic acid using a novel DNA unwinding technique

Om Ali Y. El-Khawaga

Journal:

Journal of Biochemical and Biophysical Methods

Year:

2003

Language:

english

File:

PDF, 213 KB

english, 2003

11

Efficient Synthesis of Some New Spirochromens Containing Indoline Moiety

El-Khawaga, Ahmed M., El-Zohry, Maher F., Mohamed, Thanaa A., Hussein, Essam M.

Journal:

Heterocyclic Communications

Year:

2010

Language:

english

File:

PDF, 915 KB

english, 2010

12

ChemInform Abstract: STUDIES ON FERROCENE DERIVATIVES. (VII). SYNTHESIS OF SOME NEW FERROCENYL DIBROMIDES, BENZOFURANS AND INDOLES

EL-KHAWAGA, A. M., HASSAN, K. M., KHALAF, A. A.

Journal:

Chemischer Informationsdienst

Year:

1981

File:

PDF, 201 KB

1981

13

Friedel-Crafts reactions of tetramethylphenyl ketones with tetramethylbenzenes

El-Khawaga, Ahmed M., Roberts, Royston M.

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 457 KB

english, 1984

14

Transsulfonylations between aromatic sulfones and arenes

El-Khawaga, Ahmed M., Roberts, Royston M.

Journal:

Journal of Organic Chemistry

Year:

1985

Language:

english

File:

PDF, 411 KB

english, 1985

15

N,O-bis(trimethylsilyl)acetamide (BSA) – A mild silyl transfer reagent

Prof. Ahmed M. El-Khawaga, Prof. PhD. Dsc H. M. R. Hoffmann

Journal:

Advanced Synthesis & Catalysis

Year:

1995

Language:

english

File:

PDF, 198 KB

english, 1995

16

Molecular rearrangements. III. Thermal decomposition of some selected thioesters

Abdel-Wahab, Aboel-Magd A., El-Khawaga, Ahmed M., Ismail, Mohamed T.

Journal:

Canadian Journal of Chemistry

Year:

1982

Language:

english

File:

PDF, 332 KB

english, 1982

17

ChemInform Abstract: Modern Friedel-Crafts Chemistry. Part 14. On the Cyclization of Selected Aryl Hydroxyalkyl Sulfides.

EL-KHAWAGA, A. M., EL-ZOHRY, M. F., ISMAIL, M. T., ABDEL-WAHA, A. A., KHALAF, A. A.

Journal:

Year:

1987

File:

PDF, 109 KB

1987

18

ChemInform Abstract: A NOVEL FRIEDEL-CRAFTS REACTION OF HINDERED KETONES

ROBERTS, R. M., EL-KHAWAGA, A. M., ROENGSUMRAN, S.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 113 KB

1985

19

MANanostructured Mg substituted Mn-Zn ferrites: A magnetic recyclable catalyst for outstanding photocatalytic and antimicrobial potentials

Abdel Maksoud, M.I.A., El-Sayyad, Gharieb S., El-Khawaga, Ahmed M., Abd Elkodous, M., Abokhadra, A., Elsayed, Mohamed A., Gobara, Mohamed, Soliman, L.I., El-Bahnasawy, H.H., Ashour, A.H.

Journal:

Journal of Hazardous Materials

Year:

2020

File:

PDF, 9.10 MB

2020

20

Antimicrobial and Photocatalytic Degradation Activities of Chitosan-coated Magnetite Nanocomposite

El-Khawaga, Ahmed M., Farrag, Ayman A., Elsayed, Mohamed A., El-Sayyad, Gharieb S., El-Batal, Ahmed I.

Journal:

Journal of Cluster Science

Year:

2020

File:

PDF, 5.05 MB

2020

21

NONCONVENTIONAL FRIEDEL-CRAFTS CHEMISTRY II. ON THE CATALYTIC ACTION OF TRIFLIC ACID AND ALUMINIUM CHLORIDE ON SELECTED ARYL THIOESTERS

El-zohry, M. F., El-khawaga, A. M., Ismail, M. T., Abdel-wahab, A. A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1991

Language:

english

File:

PDF, 342 KB

english, 1991

22

Methylseleninic Acid and Grape Seed Extract Alleviate Tamoxifen Induce Hepatotoxicity in Rats

Hassanein, Nahed Mohamed A, Ali, Azza Abdel-Fattah, El-Khawaga, Amira Mohy El-Den

Journal:

Toxicology and Environmental Health Sciences

Year:

2018

Language:

english

File:

PDF, 1.43 MB

english, 2018

23

ChemInform Abstract: Studies on Substituted Diarylidenecycloheptanones.

ABD-ALLA, M. A., ISMAIL, M. T., EL-KHAWAGA, A. M.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 130 KB

1985

24

ChemInform Abstract: Modern Friedel-Crafts Chemistry. Part 16. Sterically Controlled Cyclodehydration of Selected Arylalkanols.

EL-KHAWAGA, A. M., EL-ZOHRY, M. F., ABDEL-WAHAB, A. A., KHALAF, A. A.

Journal:

Year:

1988

File:

PDF, 98 KB

1988

25

Simple Entry into Tricyclo[3.3.0.03,7]octanes

H. Martin R. Hoffmann, Ahmed M. El-Khawaga, Hans-Heinrich Oehlerking

Journal:

European Journal of Inorganic Chemistry

Year:

1991

Language:

english

File:

PDF, 115 KB

english, 1991

26

Nonconventional Friedel-Crafts chemistry. 1. Reaction of .alpha.-tetralone and anthrone with arenes under Friedel-Crafts conditions

El-Zohry, Maher F., El-Khawaga, Ahmed M.

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 459 KB

english, 1990

27

A novel Friedel-Crafts reaction of hindered ketones

Roberts, Royston M., El-Khawaga, Ahmed M., Roengsumran, Sophon

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 545 KB

english, 1984

28

Extant cheilostomatous bryozoans of the Middle Miocene from the north Western Desert, Egypt

Ziko, Abdelmohsen, Eweda, Shehta, El-Khawaga, Samar

Journal:

Journal of African Earth Sciences

Year:

2016

Language:

english

File:

PDF, 1.09 MB

english, 2016

29

ChemInform Abstract: MODERN FRIEDEL-CRAFTS CHEMISTRY. IX. ON THE CYCLOALKYLATION OF ARYL ALKENYL KETONES AND OTHER RELATED SYSTEMS

KHALAF, A. A., EL-KHAWAGA, A. M. A.

Journal:

Chemischer Informationsdienst

Year:

1981

File:

PDF, 105 KB

1981

30

Biological treatment of wastewater from urea plants of Kuwait

M.S. Khalafawi, M.N. El-Khawaga, H.S. Pal

Journal:

Conservation & Recycling

Year:

1985

Language:

english

File:

PDF, 1.11 MB

english, 1985

31

The question of Friedel-Crafts transformylations. Acid-catalyzed reactions of aromatic aldehydes with arenes

Roberts, Royston M., El-Khawaga, Ahmed M., Sweeney, Kevin M., El-Zohry, Maher F.

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 868 KB

english, 1987

32

MODERN FRIEDEL-CRAFTS CHEMISTRY.XI. CYCLIZATION OF ARYL HALOALKYL SULFONES, ARYLSULFONYLACYL CHLORIDES AND THEIR CORRESPONDING SULFIDES

Abdel-wahab, Aboel-Magd A., El-khawaga, Ahmed M., El-zohry, Maher F., Khalaf, Ali A.

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1984

Language:

english

File:

PDF, 659 KB

english, 1984

33

Friedel–Crafts Chemistry. Part 43. A Convergent Construction of Some New Bridged Aza-Bicyclic Analogues of Azocine, Azonine, and Azecine via Friedel–Crafts Ring Closures

Abd El-Aal, Hassan A. K., Khalaf, Ali A., El-Khawaga, Ahmed M. A.

Journal:

Australian Journal of Chemistry

Year:

2015

Language:

english

File:

PDF, 1.50 MB

english, 2015

34

Synthesis of some new unsymmetrical aza-pyrazolomonomethine cyanine dyes

El-Kashef, Hussein S., El-Shafei, Ahmed K., El-Khawaga, Ahmed M.

Journal:

Journal of Chemical Technology and Biotechnology (-1982)

Year:

2007

Language:

english

File:

PDF, 202 KB

english, 2007

35

ChemInform Abstract: TRANSACYLATIONS BETWEEN STERICALLY HINDERED AROMATIC KETONES AND VARIOUS ARENES

EL-KHAWAGA, A. M., ROBERTS, R. M., SWEENEY, K. M.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 84 KB

1985

36

ChemInform Abstract: Modern Friedel-Crafts Chemistry. Part 16. Reaction of Thiophene with Bifunctional Molecules Under Different Friedel-Crafts Catalysts: Attempted Synthesis of Cyclopenta(b)thiophenes and Dihydrobenzo(b)thiophenes.

EL-KHAWAGA, A. M., EL-ZOHRY, M. F., ISMAIL, M. T.

Journal:

Year:

1988

File:

PDF, 183 KB

1988

37

[2+2] Photocycloaddition of 2-Morpholinoprop-2-enenitrile to Perinaphthenone

Dietrich Döpp, Shaaban K. Mohamed, Ahmed El-Khawaga

Journal:

Helvetica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 63 KB

english, 2001

38

MOLECULAR REARRANGEMENTS. VI. THERMOLYSIS OF α-( N -ARYL)BENZYL ARYL SULFIDES

El-khawaga, A. M., El-zohry, M. F., Ismail, M. T., Abdel-wahab, A. M.

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1987

Language:

english

File:

PDF, 293 KB

english, 1987

39

ChemInform Abstract: TRANSSULFONYLATIONS BETWEEN AROMATIC SULFONES AND ARENES

EL-KHAWAGA, A. M., ROBERTS, R. M.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 114 KB

1985

40

Comparison of Master Sigmoidal Curve and Markov Chain Techniques for Pavement Performance Prediction

El-Khawaga, Mohamed, El-Badawy, Sherif, Gabr, Alaa

Journal:

Arabian Journal for Science and Engineering

Year:

2020

File:

PDF, 1.02 MB

2020

41

ChemInform Abstract: MODERN FRIEDEL-CRAFTS CHEMISTRY. XIII. INTRA- AND INTERMOLECULAR CYCLIZATION OF SOME CARBONYL DERIVATIVES UNDER FRIEDEL-CRAFTS CONDITIONS

KHALAF, A. A., ABDEL-WAHAB, A.-M. A., EL-KHAWAGA, A. M., EL-ZOHRY, M. F.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 199 KB

1985

42

ChemInform Abstract: MODERN FRIEDEL-CRAFTS CHEMISTRY. XI. CYCLIZATION OF ARYL HALOALKYL SULFONES, ARYLSULFONYLACYL CHLORIDES AND THEIR CORRESPONDING SULFIDES

ABDEL-WAHAB, A. M. A., EL-KHAWAGA, A. M., EL-ZOHRY, M. F., KHALAF, A. A.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 80 KB

1985

43

MODERN FRIEDEL-CRAFTS CHEMISTRY. XIV. ON THE CYCLIZATION OF SELECTED ARYL HYDROXYALKYL SULFIDES

El-khawaga, A. M., El-zohry, M. F., Ismail, M. T., Abdel-wahab, A. A., Khalaf, A. A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1987

Language:

english

File:

PDF, 308 KB

english, 1987

44

Friedel-Crafts chemistry: Part 41. A new facile synthesis of indeno[1,2-c] pyrazoles, 2H-benzo[g]indazoles and benzo[6,7]cyclohepta[1,2-c]pyrazoles via Friedel-Crafts ring closures

Abd El-Aal, Hassan Abdou Kotb, El-Khawaga, Ahmed Mahmoud Abdel Mageed, Khalaf, Ali Ali

Journal:

European Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 606 KB

english, 2014

45

SYNTHESIS OF TRICYCLIC COMPOUNDS WITH THIOPYRIDONE RINGS

Hassan, Kh. M., El-Naggar, G. M., El-Khawaga, A. M., Kamal El-Dean, A. M.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1989

Language:

english

File:

PDF, 349 KB

english, 1989

46

ELIMINATION OF THIOPHENOL FROM PHENYL ORTHOTHIOESTERS IN THE MASS SPECTROMETER AND NOVEL REARRANGEMENT OF KETENE THIOACETALS UPON ELECTRON IMPACT

El-khawaga, Ahmed M., El-zohry, Maher F.

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1987

Language:

english

File:

PDF, 391 KB

english, 1987

47

Studies on Ferrocene Derivatives(VII)./Synthesis of Some New Ferrocenyl Dibromides, Benzofuranes and Indoles

El-Khawaga, A. M., Hassan, K. M., Khalaf, A. A.

Journal:

Zeitschrift für Naturforschung B

Year:

1981

Language:

english

File:

PDF, 3.15 MB

english, 1981

48

Preservation of dromedary camel embryos at 4 °C for up to 5 days: factors affecting the pregnancy and pregnancy loss rates.

Abd-Elfattah, Ahmed, Agag, Mohsen, Nasef, Mostafa, Muthukumaran, Shanmugavelu, El-Raey, Mohamed, El-Khawaga, Ahmed, Karen, Aly

Journal:

Year:

2019

Language:

english

File:

PDF, 789 KB

english, 2019

49

Identification of 100 KDa protein in sera of mice-treated with Cu(II) complex with superoxide dismutase-mimetic activity

OmAli Y. El-Khawaga, M. M. El-Naggar

Journal:

Journal of Physiology and Biochemistry

Year:

2003

Language:

english

File:

PDF, 872 KB

english, 2003

50

Transacylations between sterically hindered aromatic ketones and various arenes

El-Khawaga, Ahmed M., Roberts, Royston M., Sweeney, Kevin M.

Journal:

Journal of Organic Chemistry

Year:

1985

Language:

english

File:

PDF, 454 KB

english, 1985

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