EL SEOUD, OMAR A.: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Expedient, accurate methods for the determination of the degree of substitution of cellulose carboxylic esters: Application of UV–vis spectroscopy (dye solvatochromism) and FTIR

Romeu Casarano, Ludmila C. Fidale, Camila M. Lucheti, Thomas Heinze, Omar A. El Seoud

Journal:

Carbohydrate Polymers

Year:

2011

Language:

english

File:

PDF, 346 KB

english, 2011

2

Sugar-based anionic surfactants: synthesis and micelle formation of sodium methyl 2-acylamido-2-deoxy-6-O-sulfo-d-glucopyranosides

Reinaldo C Bazito, Omar A El Seoud

Journal:

Carbohydrate Research

Year:

2001

Language:

english

File:

PDF, 140 KB

english, 2001

3

Application of 1-Allyl-3-(1-butyl)imidazolium Chloride in the Synthesis of Cellulose Esters: Properties of the Ionic Liquid, and Comparison with Other Solvents

Ludmila C. Fidale, Shirley Possidonio, Omar A. El Seoud

Journal:

Macromolecular Bioscience

Year:

2009

Language:

english

File:

PDF, 342 KB

english, 2009

4

Notes on the determination of the apparent pka values of acid-base indicators in micellar systems

Omar A El Seoud, Rita C Vieira

Journal:

Journal of Colloid and Interface Science

Year:

1983

Language:

english

File:

PDF, 208 KB

english, 1983

5

Sugar-based cationic surfactants: Synthesis and aggregation of methyl 2-acylamido-6-trimethylammonio-2,6-dideoxy-d-glucopyranoside chlorides

Reinaldo C. Bazito, Omar A. El Seoud

Journal:

Journal of Surfactants and Detergents

Year:

2001

Language:

english

File:

PDF, 149 KB

english, 2001

6

Proton NMR studies on the structure of water in ionic and nonionic water-in-oil microemulsions

Omar A. El Seoud, Laura T. Okano, Luzia P. Novaki, Graham K. Barlow

Journal:

Berichte der Bunsengesellschaft für physikalische Chemie

Year:

1996

Language:

english

File:

PDF, 620 KB

english, 1996

7

Biocides formulation of essential oils having antimicrobial activity

Abo-El Seoud, MA, Sarhan, MM, Omar, AE, Helal, MM

Journal:

Archives of Phytopathology and Plant Protection

Year:

2005

Language:

english

File:

PDF, 102 KB

english, 2005

8

[IEEE 2014 International Conference on Interactive Collaborative Learning (ICL) - Dubai, United Arab Emirates (2014.12.3-2014.12.6)] 2014 International Conference on Interactive Collaborative Learning (ICL) - A pictorial mobile-based communication application for non-verbal people with autism

El-Seoud, M. Samir Abou, Karkar, AbdelGhani, Ja'am, Jihad M. Al, Karam, Omar H.

Year:

2014

Language:

english

File:

PDF, 792 KB

english, 2014

9

[Springer Series on Polymer and Composite Materials] Cellulose Derivatives || Cellulose Activation and Dissolution

Heinze, Thomas, El Seoud, Omar A., Koschella, Andreas

Year:

2018

Language:

english

File:

PDF, 2.52 MB

english, 2018

10

[Springer Series on Polymer and Composite Materials] Cellulose Derivatives || Production and Characteristics of Cellulose from Different Sources

Heinze, Thomas, El Seoud, Omar A., Koschella, Andreas

Year:

2018

Language:

english

File:

PDF, 1.14 MB

english, 2018

11

[Springer Series on Polymer and Composite Materials] Cellulose Derivatives || Etherification of Cellulose

Heinze, Thomas, El Seoud, Omar A., Koschella, Andreas

Year:

2018

Language:

english

File:

PDF, 1.55 MB

english, 2018

12

Cellulose Regeneration and Chemical Recycling: Closing the âCellulose Gapâ Using Environmentally Benign Solvents

El Seoud, Omar A., Kostag, Marc, Jedvert, Kerstin, Malek, Naved I.

Journal:

Macromolecular Materials and Engineering

Year:

2020

Language:

english

File:

PDF, 3.76 MB

english, 2020

13

Cellulose Dissolution in Mixtures of Ionic Liquids and Dimethyl Sulfoxide: A Quantitative Assessment of the Relative Importance of Temperature and Composition of the Binary Solvent

Dignani, Marcella T., Bioni, ThaÃs A., PaixÃ£o, Thiago R. L. C., El Seoud, Omar A.

Journal:

Year:

2020

File:

PDF, 2.59 MB

2020

14

A novel, efficient procedure for acylation of cellulose under homogeneous solution conditions

Guilherme A. Marson, Omar A. El Seoud

Journal:

Journal of Applied Polymer Science

Year:

1999

Language:

english

File:

PDF, 127 KB

english, 1999

15

Some aspects of acylation of cellulose under homogeneous solution conditions

Anelise M. Regiani, Elisabete Frollini, Guilherme A. Marson, Guilherme M. Arantes, Omar A. El Seoud

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1999

Language:

english

File:

PDF, 137 KB

english, 1999

16

Cellulose dissolution in lithium chloride/N,N-dimethylacetamide solvent system: Relevance of kinetics of decrystallization to cellulose derivatization under homogeneous solution conditions

Guilherme A. Marson, Omar A. El Seoud

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1999

Language:

english

File:

PDF, 229 KB

english, 1999

17

Kinetics of the pH-independent hydrolysis of 4-nitrophenyl chloroformate in aqueous micellar solutions: effects of the charge and structure of the surfactant

Shirley Possidonio, Fábio Siviero, Omar A. El Seoud

Journal:

Journal of Physical Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 123 KB

english, 1999

18

An efficient, one-pot acylation of cellulose under homogeneous reaction conditions

Omar A. El Seoud, Guilherme A. Marson, Gabriela T. Ciacco, Elisabete Frollini

Journal:

Macromolecular Chemistry and Physics

Year:

2000

Language:

english

File:

PDF, 173 KB

english, 2000

19

Solvatochromism in pure and binary solvent mixtures: effects of the molecular structure of the zwitterionic probe

Erika B. Tada, Luzia P. Novaki, Omar A. El Seoud

Journal:

Journal of Physical Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 120 KB

english, 2000

20

Potential Tuberculostatic Agent: Micelle-forming Pyrazinamide Prodrug

Marcia Silva, Nara L. Ricelli, Omar El Seoud, Celso S. Valentim, Antônio G. Ferreira, Daisy N. Sato, Clarice Q. F. Leite, Elizabeth I. Ferreira

Journal:

Archiv der Pharmazie

Year:

2006

Language:

english

File:

PDF, 998 KB

english, 2006

21

ChemInform Abstract: Sugar-Based Anionic Surfactants: Synthesis and Micelle Formation of Sodium Methyl 2-Acylamido-2-deoxy-6-O-sulfo-D-glucopyranosides.

Reinaldo C. Bazito, Omar A. El Seoud

Journal:

Year:

2001

File:

PDF, 32 KB

2001

22

Thermo-Solvatochromism of Merocyanine Polarity Probes – What Are the Consequences of Increasing Probe Lipophilicity through Annelation?

Clarissa T. Martins, Michelle S. Lima, Erick L. Bastos, Omar A. El Seoud

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 837 KB

english, 2008

23

Thermo-Solvatochromism of Merocyanine Polarity Probes – What Are the Consequences of Increasing Probe Lipophilicity through Annelation? (Eur. J. Org. Chem. 7/2008)

Clarissa T. Martins, Michelle S. Lima, Erick L. Bastos, Omar A. El Seoud

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 505 KB

english, 2008

24

Cellulose Swelling by Aprotic and Protic Solvents: What are the Similarities and Differences?

Ludmila C. Fidale, Naiara Ruiz, Thomas Heinze, Omar A. El Seoud

Journal:

Macromolecular Chemistry and Physics

Year:

2008

Language:

english

File:

PDF, 298 KB

english, 2008

25

Microwave-Assisted Derivatization of Cellulose, 2 – The Surprising Effect of the Structure of Ionic Liquids on the Dissolution and Acylation of the Biopolymer

Omar A. El Seoud, Valdinéia C. da Silva, Shirley Possidonio, Romeu Casarano, Elizabeth P. G. Arêas, Paula Gimenes

Journal:

Macromolecular Chemistry and Physics

Year:

2011

Language:

english

File:

PDF, 11.78 MB

english, 2011

26

Tailored Media for Homogeneous Cellulose Chemistry: Ionic Liquid/Co-Solvent Mixtures

Martin Gericke, Tim Liebert, Omar A. El Seoud, Thomas Heinze

Journal:

Macromolecular Materials and Engineering

Year:

2011

Language:

english

File:

PDF, 354 KB

english, 2011

27

A Proton and Carbon-13 NMR Study on the State of Water Solubilized by Detergent Aggregates in Organic Solvents

Omar A. El Seoud, Monica I. El Seoud, Joseph A. Mickiewicz

Journal:

Journal of Colloid and Interface Science

Year:

1994

File:

PDF, 366 KB

1994

28

A Fourier Transform Infrared Study on the Structure of Water Solubilized by Reverse Aggregates of Sodium and Magnesium Bis(2-ethylhexyl)sulfosuccinates in Organic Solvents

Luzia P. Novaki, Omar A.El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

1998

Language:

english

File:

PDF, 240 KB

english, 1998

29

On the determination of the critical micelle concentrations of alkylammonium propionate surfactants using 7,7,8,8-tetracyanoquinodimethane (TCNQ)

Omar A El Seoud, Maria J da Silva, Monica I El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

1977

Language:

english

File:

PDF, 386 KB

english, 1977

30

Large-scale chromatographic purification of commercial alkylphenol polyoxyethylene nonionic detergents

Omar A El Seoud, Gentil J Vidotti, Orlando C Miranda, Abilio Martins

Journal:

Journal of Colloid and Interface Science

Year:

1980

Language:

english

File:

PDF, 790 KB

english, 1980

31

Acid—base indicator equilibria in the presence of aerosol-OT aggregates in heptane. Ion exchange in reversed micelles

Omar A El Seoud, Ana M Chinelatto, Maria R Shimizu

Journal:

Journal of Colloid and Interface Science

Year:

1982

Language:

english

File:

PDF, 556 KB

english, 1982

32

Acid-base indicator equilibria in aerosol-OT reversed micelles in heptane. The use of buffers

Omar A El Seoud, Ana M Chinelatto

Journal:

Journal of Colloid and Interface Science

Year:

1983

Language:

english

File:

PDF, 647 KB

english, 1983

33

Alkylammonium dialkylarsiante surfactants in organic solvents: Aggregation and water solubilization studies

Monica I El Seoud, Omar A El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

1983

Language:

english

File:

PDF, 638 KB

english, 1983

34

Effect of a positively charged water-in-oil microemulsion on the apparent pKa of a hydrophilic indicator

Rita C Vieira, Omar A El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

1991

Language:

english

File:

PDF, 348 KB

english, 1991

35

A microelectrode voltammetric study of the diffusion of CTABr aggregates in aqueous solutions

Tiago Luiz Ferreira, Omar A. El Seoud, Mauro Bertotti

Journal:

Electrochimica Acta

Year:

2004

Language:

english

File:

PDF, 134 KB

english, 2004

36

A convenient solvent system for cellulose dissolution and derivatization: Mechanistic aspects of the acylation of the biopolymer in tetraallylammonium fluoride/dimethyl sulfoxide

Romeu Casarano, Haq Nawaz, Shirley Possidonio, Valdinéia C. da Silva, Omar A. El Seoud

Journal:

Carbohydrate Polymers

Year:

2011

Language:

english

File:

PDF, 625 KB

english, 2011

37

Surfactants with an amide group “spacer”: Synthesis of 3-(acylaminopropyl)trimethylammonium chlorides and their aggregation in aqueous solutions

Paulo A.R. Pires, Omar A. El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

2006

Language:

english

File:

PDF, 446 KB

english, 2006

38

Synthesis and micellar properties of surface-active ionic liquids: 1-Alkyl-3-methylimidazolium chlorides

Omar A. El Seoud, Paulo Augusto R. Pires, Thanaa Abdel-Moghny, Erick L. Bastos

Journal:

Journal of Colloid and Interface Science

Year:

2007

Language:

english

File:

PDF, 194 KB

english, 2007

39

Micellar properties of surface active ionic liquids: A comparison of 1-hexadecyl-3-methylimidazolium chloride with structurally related cationic surfactants

Paula D. Galgano, Omar A. El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

2010

Language:

english

File:

PDF, 482 KB

english, 2010

40

Surface active ionic liquids: Study of the micellar properties of 1-(1-alkyl)-3-methylimidazolium chlorides and comparison with structurally related surfactants

Paula D. Galgano, Omar A. El Seoud

Journal:

Journal of Colloid and Interface Science

Year:

2011

Language:

english

File:

PDF, 989 KB

english, 2011

41

Effects of KBr and n-decanol on the properties of cetyltrimethylammonium bromide micelles in aqueous solutions: A microelectrode voltammetric study

Tiago Luiz Ferreira, Omar A. El Seoud, Mauro Bertotti

Journal:

Journal of Electroanalytical Chemistry

Year:

2007

Language:

english

File:

PDF, 166 KB

english, 2007

42

Lysozyme gelation in mixtures of tetramethylurea with protic solvents: Use of solvatochromic indicators to probe medium microstructure and solute–solvent interactions

Marcelo A. da Silva, Omar A. El Seoud, Elizabeth P.G. Arêas

Journal:

Journal of Molecular Structure

Year:

2007

Language:

english

File:

PDF, 469 KB

english, 2007

43

The reactions of diphenyllithioarsine and diphenylarsine with aldehydes

P.J. Busse, C-P. Hrung, K.J. Irgolic, D.H. O'Brien, F.L. Kolar, Omar A. El Seoud

Journal:

Journal of Organometallic Chemistry

Year:

1980

Language:

english

File:

PDF, 572 KB

english, 1980

44

Use of NMR to probe the structure of water at interfaces of organized assemblies

Omar A. El Seoud

Journal:

Journal of Molecular Liquids

Year:

1997

Language:

english

File:

PDF, 1.42 MB

english, 1997

45

Kinetics of the pH-independent hydrolyses of 4-nitrophenyl chloroformate and 4-nitrophenyl heptafluorobutyrate in water-acetonitrile mixtures: consequences of solvent composition and ester hydrophobicity

Omar A. El Seoud, Fábio Siviero

Journal:

Journal of Physical Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 255 KB

english, 2006

46

Optimization of micellar catalysis of nucleophilic substitution reactions in buffered solutions of cetyltrimethylammonium halide surfactants, part 2: buffers in the pH range 7–8

Nadia Ouarti, Iva B. Blagoeva, Omar A. El Seoud, Marie-Françoise Ruasse

Journal:

Journal of Physical Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 137 KB

english, 2001

47

Thermo-solvatochromism in aqueous alcohols: effects of the molecular structures of the alcohol and thesolvatochromic probe

Maged S. Antonious, Erika B. Tada, Omar A. El Seoud

Journal:

Journal of Physical Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 191 KB

english, 2002

48

Kinetics and mechanism of the imidazole-catalysed hydrolysis of substituted N-benzoylimidazoles

Omar A. El Seoud, Paulo Menegheli, Paulo A. R. Pires, Nilo Z. Kiyan

Journal:

Journal of Physical Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 569 KB

english, 1994

49

Kinetics and mechanism of the hydrolysis of substituted phenyl benzoates catalyzed by the o-iodosobenzoate anion

Omar A. El Seoud, Monica F. Martins

Journal:

Journal of Physical Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 733 KB

english, 1995

50

Thermo-solvatochromism of betaine dyes in aqueous alcohols: explicit consideration of the water–alcohol complex

Erika B. Tada, Priscilla L. Silva, Omar A. El Seoud

Journal:

Journal of Physical Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 180 KB

english, 2003