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1

Characterization and Dating of Blue Ballpoint Pen Inks Using Principal Component Analysis of UV–Vis Absorption Spectra, IR Spectroscopy, and HPTLC

Samir Senior, Ezzat Hamed, Mamdouh Masoud, Eman Shehata

Journal:

Journal of Forensic Sciences

Year:

2012

Language:

english

File:

PDF, 220 KB

english, 2012

2

Magnetite nano-spherical quantum dots decorated graphene oxide nano sheet (GO@Fe3O4): Electrochemical properties and applications for removal heavy metals, pesticide and solar cell

El-Shafai, Nagi M., Abdelfatah, Mahmoud M., El-Khouly, Mohamed E., El-Mehasseb, Ibrahim M., El-Shaer, Abdelhamid, Ramadan, Mohamed S., Masoud, Mamdouh S., El-Kemary, Maged A.

Journal:

Applied Surface Science

Year:

2020

File:

PDF, 3.44 MB

2020

3

Rice husk and activated carbon for waste water treatment of El-Mex Bay, Alexandria Coast, Egypt

Masoud, Mamdouh S., El-Saraf, Wagdi M., Abdel - Halim, Ahmed M., Ali, Alaa E., Mohamed, Essam A., Hasan, Hamad M.I.

Journal:

Arabian Journal of Chemistry

Year:

2012

Language:

english

File:

PDF, 712 KB

english, 2012

4

Structural chemistry of azo complexes

Mamdouh S. Masoud, Ahmed M. Hindawy, Amina A. Soayed

Journal:

Transition Metal Chemistry

Year:

1991

Language:

english

File:

PDF, 451 KB

english, 1991

5

Synthesis and Characterization of Some Transition Metal Complexes with Mixed Adenine and Acetylacetonate Ligands: Crystal Structures of Solvated Complex {[Cu(acac)2(adenine)]·EtOH} and {[Cu(acac)2(adenine)]·DMF·H2O}

Michael J. Zaworotko, Hassan H. Hammud, Ahmad Kabbani, Gregory J. McManus, Amer M. Ghannoum, Mamdouh S. Masoud

Journal:

Journal of Chemical Crystallography

Year:

2009

Language:

english

File:

PDF, 488 KB

english, 2009

6

Synthesis and characterization of some transition metals polymer complexes

Masoud, Mamdouh S., Abdou, Azza E.H., Ahmed, Wael M.

Journal:

Journal of Molecular Structure

Year:

2015

Language:

english

File:

PDF, 907 KB

english, 2015

7

Synthesis, characterization, spectral, thermal analysis and computational studies of thiamine complexes

Masoud, Mamdouh S., Ghareeb, Doaa A., Ahmed, Shahenda Sh.

Journal:

Journal of Molecular Structure

Year:

2017

Language:

english

File:

PDF, 2.17 MB

english, 2017

8

Synthesis, optimization, and characterization of poly (Styrene-co-Acrylonitrile) copolymer prepared via precipitation polymerization

El-Aassar, Mohamed R., Masoud, Mamdouh S., Elkady, Marwa F., Elzain, Ahmed A.

Journal:

Advances in Polymer Technology

Year:

2017

Language:

english

File:

PDF, 548 KB

english, 2017

9

Graphene oxide–metal oxide nanocomposites: fabrication, characterization and removal of cationic rhodamine B dye

El-Shafai, Nagi M., El-Khouly, Mohamed E., El-Kemary, Maged, Ramadan, Mohamed S., Masoud, Mamdouh S.

Journal:

Year:

2018

Language:

english

File:

PDF, 1.81 MB

english, 2018

10

Synthesis, spectral, molecular modeling, thermal analysis studies of orange (II) complexes

Masoud, Mamdouh S., Beltagi, Amr M., Moutawa, Hany A.

Journal:

Journal of Molecular Structure

Year:

2019

Language:

english

File:

PDF, 1.71 MB

english, 2019

11

Impacts of different drains on the seawater quality of El-Mex bay (Alexandria, Egypt)

Mohamed, A. Shreadah, Mamdouh, S. Masoud, Abdel-Rhman, M. Khattab, Gehan, M. El Zokm

Journal:

Journal of Ecology and the Natural Environment

Year:

2014

Language:

english

File:

PDF, 1.38 MB

english, 2014

12

Thermodynamic parameters of ionization of 5-(2-substituted phenylazo) barbituric acids

Mamdouh S. Masoud, S.A.Abou Ali, G.Y. Ali, I.M. Abed

Journal:

Thermochimica Acta

Year:

1987

Language:

english

File:

PDF, 708 KB

english, 1987

13

The behaviour of some cobalt, nickel and copper amino acid complexes at different temperatures

Mamdouh S Masoud, Bashier A Abdel-Nabby, Ezzat M Soliman, Omayma H Abdel-Hamid

Journal:

Thermochimica Acta

Year:

1988

Language:

english

File:

PDF, 349 KB

english, 1988

14

Effect of temperature on the electrical conductivity of some 4-(substituted)-3-hydroxy-2-quinoline ligands and their complexes

Mamdouh S. Masoud, Ezzat M. Soliman, Mohamed E. El-Shabasy

Journal:

Thermochimica Acta

Year:

1988

Language:

english

File:

PDF, 469 KB

english, 1988

15

Conducting properties of some new azo-nitroso complexes

Mamdouh S. Masoud, Z. Zaki, F.M. Ismail

Journal:

Thermochimica Acta

Year:

1989

Language:

english

File:

PDF, 328 KB

english, 1989

16

Temperature-electrical conductivity relations for 5-nitro- and 6-nitrobenzimidazole and their transition metal complexes

Mamdouh S. Masoud, Gamal B. Mohamed, Mohamed K. Kassem, Ali El-Dessouky, Ahmed M. Hindawy, Nagda A. Obeid

Journal:

Thermochimica Acta

Year:

1990

Language:

english

File:

PDF, 413 KB

english, 1990

17

Solid-state thermal polymorphic transformations for some solvates of 2-hydroxy-5-methylazobenzene-4'-carboxylic acid complexes

Ahmed M. Donia, Saëda Abou El-Enein, Mamdouh S. Masoud

Journal:

Thermochimica Acta

Year:

1990

Language:

english

File:

PDF, 299 KB

english, 1990

18

Thermodynamic parameters of ionization of kojic acid and its coordinating behaviour towards transition metals

Soad A. Sallam, Sawsan S. Haggag, Mamdouh S. Masoud

Journal:

Thermochimica Acta

Year:

1990

Language:

english

File:

PDF, 335 KB

english, 1990

19

Thermal properties of some transition metal nitroso and thiobarbiturate complexes: conductivity, magnetism and thermogravimetry

Mamdouh S. Masoud, Sawsan S. Haggag

Journal:

Thermochimica Acta

Year:

1992

Language:

english

File:

PDF, 750 KB

english, 1992

20

1-Hydroxybenzotriazole (HOBt) acidity, formation constant with different metals and thermodynamic parameters: Synthesis and characterization of some HOBt metal complexes – Crystal structures of two polymers: [Cu2(H2O)5(OBt)2(μ-OBt)2] · 2H2O · EtOH (1A) and [Cu(μ-OBt)(HOBt)(OBt)(EtOH)] (1B)

Hassan H. Hammud, K. Travis Holman, Mamdouh S. Masoud, Ayman El-Faham, Hanan Beidas

Journal:

Inorganica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 1.45 MB

english, 2009

21

Thermal properties of some CoII, NiII and CuII complexes of new substituted pyrimidine compounds

Mamdouh S. Masoud, Ekram A. Khalil, Ahmed M. Ramadan

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2007

Language:

english

File:

PDF, 220 KB

english, 2007

22

Complexing properties of nucleic-acid constituents adenine and guanine complexes

Mamdouh S. Masoud, Amina A. Soayed, Alaa E. Ali

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 145 KB

english, 2004

23

Spectroscopic studies on some azo compounds and their cobalt, copper and nickel complexes

Mamdouh.S. Masoud, Ekram A. Khalil, Ahmed M. Hindawy, Alaa E. Ali, Eman F. Mohamed

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 230 KB

english, 2004

24

Solvatochromic behavior of the electronic absorption spectra of some azo derivatives of amino pyridines

Mamdouh S. Masoud, Alaa E. Ali, Medhat A. Shaker, Mohamed Abdul Ghani

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 83 KB

english, 2004

25

Solvent and substituent effects on spectroscopical changes of some diazoaminobenzene derivatives

Mamdouh S. Masoud, Alaa E. Ali, Medhat A. Shaker, Mohamed Abdul Ghani

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2005

Language:

english

File:

PDF, 120 KB

english, 2005

26

Dielectric relaxation spectroscopy of heteronuclear cobalt(II)–copper(II) complex of 1-phenyl-3-methyl-5-pyrazolone

Mamdouh S. Masoud, Alaa E. Ali, Rabah H. Mohamed, M. Abd El Zaher Mostafa

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2005

Language:

english

File:

PDF, 137 KB

english, 2005

27

Spectral regression and correlation coefficients of some benzaldimines and salicylaldimines in different solvents

Hassan H. Hammud, Amer Ghannoum, Mamdouh S. Masoud

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2006

Language:

english

File:

PDF, 295 KB

english, 2006

28

Dielectric spectroscopy of some heteronuclear amino alcohol complexes

Mamdouh S. Masoud, Medhat A. Shaker, Alaa E. Ali

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2006

Language:

english

File:

PDF, 239 KB

english, 2006

29

Spectral properties of some metal complexes derived from uracil–thiouracil and citrazinic acid compounds

Mamdouh S. Masoud, Amany A. Ibrahim, Ekram A. Khalil, Adel El-Marghany

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2007

Language:

english

File:

PDF, 336 KB

english, 2007

30

Spectral, electrical conductivity and biological activity properties of some new azopyrimidine derivatives and their complexes

Mamdouh S. Masoud, Ekram A. Khalil, Ahmed M. Ramadan, Yousry M. Gohar, Amr Sweyllam

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2007

Language:

english

File:

PDF, 604 KB

english, 2007

31

Synthesis and characterization of some pyrimidine, purine, amino acid and mixed ligand complexes

Mamdouh S. Masoud, Mohamed F. Amira, Ahmed M. Ramadan, Ghada M. El-Ashry

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2008

Language:

english

File:

PDF, 267 KB

english, 2008

32

Synthesis and stereochemistry of new cobalt azo-nitroso complexes

Mamdouh S. Masoud, A. El-Dissouky, E.E. Ghatwary

Journal:

Inorganica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 473 KB

english, 1988

33

The role of solvents on the behaviour of some azo compounds

Mamdouh S. Masoud

Journal:

Inorganica Chimica Acta

Year:

1980

Language:

english

File:

PDF, 206 KB

english, 1980

34

Polarographic study of As(III)—Triethanolamine reaction

Mamdouh S. Masoud, T.M. Salem

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1975

Language:

english

File:

PDF, 217 KB

english, 1975

35

Dissociation constants of eriochrome black T and eriochrome blue black RC indicators and the formation constants of their complexes with Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Hg(II), and Pb(II), under different temperatures and in presence of different solvents

Mamdouh S. Masoud, Hassan H. Hammud, Hanan Beidas

Journal:

Thermochimica Acta

Year:

2002

Language:

english

File:

PDF, 160 KB

english, 2002

36

Spectral studies on the magnetically anomalous Ni(II) complexes of substituted phenylazo-2,4-dinitrosoresorcinol compounds

Mamdouh S. Masoud, Ali El-Dissouky, Enas E. Ghatwary

Journal:

Year:

1986

Language:

english

File:

PDF, 515 KB

english, 1986

37

Electronic spectral parameters of the azo indicators: methyl red, methyl orange, PAN, and fast black K-salt

Mamdouh S Masoud, Hassan H Hammud

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2001

Language:

english

File:

PDF, 111 KB

english, 2001

38

Spectral and magnetic properties of phenylazo-6-aminouracil complexes

Mamdouh S. Masoud, Saeda A. Abou El-Enein, Mohamed E. Ayad, Ahmed S. Goher

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 181 KB

english, 2004

39

2-thiouracil-based cobalt(II), nickel(II) and copper(II) complexes

Mamdouh S. Masoud, Omayma H. A. El-Hamid, Zenat M. Zaki

Journal:

Transition Metal Chemistry

Year:

1994

Language:

english

File:

PDF, 352 KB

english, 1994

40

Effect of fast neutron irradiation on the electrical conductivity of some azo pyrazolones at different temperatures

Mamdouh S. Masoud, A. Elkhatib, M. Kassem, A. R. Youssef

Journal:

Journal of Materials Science Letters

Year:

1988

Language:

english

File:

PDF, 267 KB

english, 1988

41

Koordinationschemie von Dinitroresorcin mit Kupfer-, Kobalt-, Nickel-, Eisen- und Zinksalzen

Mamdouh S. Masoud, T. M. Salem, M. Elessawi

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1978

File:

PDF, 352 KB

1978

42

Structural studies of 3-amino-4-(substituted arylazo)-5-(1H)pyrazolone compounds

Mamdouh S. Masoud, Adel R. Youssef, Mohamed A. Mostafa

Journal:

Transition Metal Chemistry

Year:

1988

Language:

english

File:

PDF, 316 KB

english, 1988

43

Cobalt(II), nickel(II) and copper(II) complexes of syn-2-picolyl phenyl and syn-2-quinaldyl phenyl ketoximes

Mamdouh S. Masoud, Ahmed M. Hindawey, Ali El-Dissouky, Gamal B. Mohamed, Tarek M. Abd El-Fattah

Journal:

Transition Metal Chemistry

Year:

1991

Language:

english

File:

PDF, 354 KB

english, 1991

44

Synthesis and characterization of barbituric and thiobarbituric acid complexes

Mamdouh S. Masoud, Ahmed M. Heiba, Fathy M. Ashmawy

Journal:

Transition Metal Chemistry

Year:

1983

Language:

english

File:

PDF, 314 KB

english, 1983

45

Palladium(II)-kojic acid interaction

Mamdouh S. Masoud, S. Abou El-Thana, Abou El-Enein

Journal:

Transition Metal Chemistry

Year:

1989

Language:

english

File:

PDF, 240 KB

english, 1989

46

Transition metal (disubstituted phenylazo)-barbituric and thiobarbituric acid complexes

Mamdouh S. Masoud, Mohamed A. El-Dessouky, Farag A. Aly, Saeyda A. Abou El-Enein

Journal:

Transition Metal Chemistry

Year:

1990

Language:

english

File:

PDF, 593 KB

english, 1990

47

Geometry of new iron(III) and copper(II) azo-nitroso-complexes

Mamdouh S. Masoud, A. El-Dissouky, E. E. Ghatwary

Journal:

Transition Metal Chemistry

Year:

1986

Language:

english

File:

PDF, 465 KB

english, 1986

48

Synthesis and characterization of 5-(arylazo)thiobarbituric acids and their complexes

Mamdouh S. Masoud, Zenat M. Zaki

Journal:

Transition Metal Chemistry

Year:

1988

Language:

english

File:

PDF, 603 KB

english, 1988

49

Synthesis, Characterization and Selective Metal Binding Properties of Physically Adsorbed 2-Thiouracil on the Surface of Porous Silica and Alumina

Mohamed E. Mahmoud, Mamdouh S. Masoud, Nermen N. Maximous

Journal:

Microchimica Acta

Year:

2004

Language:

english

File:

PDF, 129 KB

english, 2004

50

Solvent Effect on the Absorption and Fluorescence Emission Spectra of Some Purine Derivatives: Spectrofluorometric Quantitative Studies

Hassan H. Hammud, Kamal H. Bouhadir, Mamdouh S. Masoud, Amer M. Ghannoum, Sulaf A. Assi

Journal:

Journal of Solution Chemistry

Year:

2008

Language:

english

File:

PDF, 901 KB

english, 2008

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