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Curriculum Vitae

Personal Information:

Name: Refat Moustafa Hassan Abou-Zied

Title: Professor of Physical Chemistry & Polymer Physics

Date / Place of Birth: March 26, 1943 / Egypt

Marital Status: Married

Nationality: Egyptian

Position: Professor of Physical Chemistry & Polymer Physics

Work Address: Chemistry Department, Faculty of Science, Assiut

University, Assiut 71516, Egypt

Telephone: Work (0020882332200 Ex: 2421)

Home (0020882310930)

Mobile (0020127319979)

Fax: 0020882312564, 0020882342708

Academic Qualifications:

1- B. Ed.: Assiut University (1965)

2- B. Sc.: Assiut University (1970)

3- M. Sc.: Assiut University (1973)

4- M.Eng.: Tokyo Institute of Technology, Japan (1978).

5- D. Eng.: Tokyo Institute of Technology, Japan (1982)

6-Fellowship: Tokyo Institute of Technology, Japan (1975-1982)

Career and Professional Experience:

Demonstrator of Chemistry, Teachers College, Assiut

University, Assiut, Egypt (1966-1970).

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Demonstrator of Chemistry, Faculty of Science, Assiut

University, Assiut, Egypt (1970-1973).

Assistant Lecturer of Chemistry, Faculty of Science, Assiut

University, Assiut, Egypt (1973-1975).

Japanese Monbushu Scholarship (1975-1982).

Lecturer of Chemistry, Faculty of Science, Assiut University,

Assiut, Egypt (1982-1987).

Associate Professor of Chemistry, Faculty of Science, Assiut

University, Assiut, Egypt (1987-1992).

Professor of Physical Chemistry & Polymer Physics, Faculty

of Science, Assiut University, Assiut, Egypt (1992-till now).

Membership:

American Chemical Society (USA).

New York Academy of Sciences (USA).

American Association for the Advancement of Sciences

(USA).

Egyptian Society of Polymer Science & Technology (Egypt).

Egyptian Chemical Society.

Arab Science and Technology Foundation (ASTF, UAE).

Naif Arab University for Security Science (Saudi Arabia).

Prizes and Certificates :

Nominated for Who’s Who in the World Editions (USA

1997- 2012) Research Board of Advisors (ABI, USA).

Research Board of Advisors (ABI, USA).

Certificate of Appreciation from The American Chemical

Soceity (2012).

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Prize & Certificate from Assiut University for the Best

Research Work in Chemistry in 2012.

Refereeing of Papers From

Journal of Membrane Science (USA).

International Journal of Chemical Kinetics (France).

Colloid & Surfaces (UK).

Journal of Applied Polymer Science (USA).

Journal of Colloids and Interface Science (USA).

Journal of Molecular Catalysis (USA)

Catalysis Communications (USA)

Environmental Science & Technology (USA)

Carbohydrate Research (UK)

Journal of Non-Crystalline Solids (UK)

Journal of Hazardous Material (USA)

Materials Chemistry and Physics (China &USA)

Industrial & Engineering Chemistry Research (ACS)

Scientific Research and Essays

Fibers and Polymers

Journal of Thermal Analysis and Calorimetry (Hungary).

Journal of Research in Environmental Science and

Toxicology

Journal of the Taiwan Institute of Chemical Engineering

Assiut University Bulletin for Environmental Researches

(Egypt).

Local Bulletins in Chemistry (Egypt).

Local Bulletins in Chemistry (Saudi Arabia).

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Editorial-Boards :

International Journal of Chemistry and Advances in

Chemical Engineering.

Scientific Research and Essay

Inivitation As Editor of Reviewing Books

Bentham Science Publishers

Research Signpost Network

Current Chemical Biology

Refereeing of International Projects:

Arab Society of Technology Foundation (ASTF).

Saudi Arabia Projects (SABIC).

Examiner of M. Sc. & Ph. D. Thesis's:

* Indian Universities and Institutes.

* Egyptian Universities and Institutes.

* Saudi Arabia Kingdom Universities.

On Leave Status:

Associate Professor, Teachers College, Algeria (1987-1989).

Associate Professor, Faculty of Science, Libya (1990-1991).

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A Visiting Associate Professor, Tokyo Institute of

Technology (1991).

A Visiting Associate Professor, Uroaka United Publisher

Company, (1992).

A Professor of Physical Chemistry, Faculty of Applied

Sciences, Umm Al-Qura University, Kingdom of Saudi

Arabia (1996-2003).

A Visiting Professor Inter Mangolia University, China

(2008).

A Visiting Professor, Research Laboratory for Nuclear

Reactors Engineering, Tokyo Institute of Technology,Japan

for five months in Corporative Scientific Research Project

(2009).

A Visiting Professor, Research Center of Materials Science,

Nagoya University, Japan, for three months to Teach Taught

Course of "Advanced Chemical Kinetics " for Graduate

Students and to joint " A Research Project " (2010).

Other International Invitations:

- An invited speaker to BIT`S 1 St Annual World Congress of

Marine Biotechnology (WCMB 2011), China (2011).

- An Invited Speaker to the Second International Conference

on Natural; Polymers, Polyelectrolytes and Gels, Macro and

Nano Scales (ICNP-2010), Kottayam, Kerala, India.

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- An Invited Speaker to BIT`S 1st Annual World Congress of

Catalytic Asymmetric Synthesis-2010, Bejing International

Convertion, Bejing , China (2010).

- Invitation from "Nova Science Publisher, INC" to

participitate as Co-Editor and to present one chapter of my

selection in Publishing Program (2010).

- Invitation from "Research Signpost" as Editor of a book of

my selection.

- Invitation from "Publishing LAP Lambert Academic

Publishing AG & Co.KG" for publishing of our Master &

Doctorate Thesises.

- Invitation from "Open Glycoscience" to be a Member of

Editorial Board of this Journal, 2007.

- Invitation from "Research Signpost "Founndation to write a

book on “Carbohydrate Research “ , 2004.

- Invitation from" Sambalpur University, Jyoti Vihar", as a

Visiting Professor for two months, India, 1996.

- Invitation from "MERCK" Company, Frankfurt, Germany

for negotiation for the preparation of some Reagent s, 1992.

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Recent Interest:

1)Good experience in dealing with natural and synthetic polymers for

Novel Synthesis of Bipolymer Precursors of

Macromolecules.

Synthesis of Metal Complexes of Macromolecules.

Electrical Properties of Macromolecule Complexes.

Kinetics of Thermal Decomposition of Macromolecule

Complexes.

Spectrophotometric Detection of Some Short-Lived

Transient Species Intermediates.

2) Physicochemical studies on:

i. Material Science ii. Reaction catalysis

iii. Oxidation-reduction reactions. iv. Kinetics and mechanisms.

v. Sol-gel transformations. vi. Chemical equilibria.

vii. Electrical properties. viii. Diffusion controls.

ix. Ion exchange chromatography. x. Cross-linking.

xi. Spectrophotometry.

xii. Thermal & kinetics of thermal decomposition.

Skills

1) Good knowledge of computer programming and applications of

Microsoft office software.

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1) Aware of SEM, TEM, IR, ESR, XRD, TGA, DTA and

spectrophotometric techniques and analysis.

2) Good experience in dealing with macromolecules in

particularly natural polymers such as polysaccharides.

Industrial Projects

Preparation of phosphoric acid from calcium super phosphate

using ion exchange resin technique (Egyptian Company for

Sugar Industry, Egypt).

Elimination and determination of some contaminants heavy

metal cations (Egyptian Company for Sugar Industry, Egypt).

Preparation of semiconductors from natural polymeric

materials (SABK, Saudi Arabia Kingdom).

Novel synthesis of keto-derivatives of some natural

polymeric materials as bipolymer precursors through

oxidation-reduction reactions (SABK, Saudi Arabia

Kingdom).

Vitamin C (Ascorbic acid) as essential nutrient of scurvy. A

kinetic study (SABK, Saudi Arabia Kingdom).

Novel synthesis of natural polymeric membranes and its

applications (SABK, Saudi Arabia Kingdom).

Application of New Natural-Polymeric Cation Exchange

Resins of Low Cost and High Efficiency in Treatment of

Drainage-Water & Slag for Reusing in Irrigation and

Fertilization of Soil Especially the Desert Area (Still under

evaluation).

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Synthesis of Novel Natural-Polymeric Cation Exchange

Resins of Low Cost, High Efficiency and Wide Applications

(Forthcoming).

Supervision of Post-Graduate Degrees Awarded in Chemistry:

M.Sc. and Ph.D. Degrees (Egypt, Saudi Arabia).

International Conferences and Symposia:

At least One Conference every year (1977 up till now).

Research Performance :

More than 100 Publications in Specialized International Journals

(see enclosed list of publication)

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List of Publications Presented

By

Prof. Dr. Refat Moustafa Hassan

1)Kinetics and Mechanism of Oxidation of Chondroitin-4-Sulfate

Polysaccharide by Chromic Acid in Aqueous Perchlorate

Solutions. R. Hassan, S. Ibrahim , A. Dahy, I. Zaafarany, F.

Tirkistani , H. Takagi, Carbohyd. Polym., 92, 2321 (2013).

2)Oxidation of Some Water-Soluble Anionic Polyelectrolytes:

Oxidation of Carboxymethyl Cellulose Polysaccharide by

Hexachloroiridate(IV) in Aqueous Perchlorate Solutions. A

Kinetic and Mechanistic Approach to Electron Transfer Process,

R. M. Hassan, I. A. Zaafarany and H. D. Takagi, Indust. & Engin.

Chem. Res. 52, 1531 (2013).

3)Kinetics and Mechanisms of Non-Isothermal Decomposition of

Some Cross-Linked Metal-Alginate Complexes Especially

Trivalent-Metal-Alginate Complexes. F. A.A. Tirkistani and R.

M. Hassan, Orient. J. Chem., 28,913 (2012).

4)Kinetics and Mechanisms of Non-Isothermal Decomposition of

Ca(II)-, Sr(II)- and Ba(II)- Cross-Linked Divalent Metal-

Alginate Complexes. I. Zaafarany, K. Khairou, F. Tirkistani, S.

Iqbal, M. Khairy and R. Hassan , Inter. J. Chem. ,4, 7 (2012).

5)Polymeric Biomaterial Hydrogels. I. Behavior Of Some Ionotropic

Cross-Linked Metal-Alginate Hydrogels E specially Copper-

Alginate Membranes in Some Organic Solvents and Buffer

Solutions. R. Hassan, F. Tirkistani, I. Zaafarany, A. Fawzy, M.

Khairy and S. Iqbal, Advan. Biosci. Biotechnol., 3, 845 (2012).

6)Oxidation of Some Macromolecules. Kinetics and Mechanism

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of Oxidation of Methyl Cellulose by Permanganate Ion in Acid

Perchlorate Solutions. R. M. Hassan, A. A. Dahy. S.M.

Ibrahim, I. A. Zaafarany and A. Fawzy, Industrial &

Engineering Chemistry Research, 51, 5424 (2012).

Submitted 2013:

7)A Mechanistic Approach to the Kinetics of Electron-Transfer

Reactions in Oxidation of Water-Soluble Macromolecules in

Particularly Carbohydrates by Alkaline Permanganate with

Spectrophotometric Detection of Blue Hypomanganate (V) and

Green Manganate (VI) Short-lived Transient Species. R. M.

Hassan, Review Article (Transworld Research Network,

2013).

8)Kinetics and Mechanism of Hexachloroiridate(IV) Oxidation ofTellerium(IV) in Aqueous Solutions. Refat M. Hassan et.al.(Submitted to J. of Coord. Chem. 2013).

9)Acid-catalyzed oxidation of some sulfated polysaccharides.

Oxidation of iota-and lambda-carrageenans by cerium(IV) in

aqueous perchlorate solutions. A Kinetics and mechanistic

approach. Refat M. Hassan et al.( Submitted to. Cat. Commun.

2013).

10) Acid-Catalysis of Chromic acid Oxidation of Methyl

Cellulose Polysaccharide in Aqueous Perchlorate Solutions. A

Kinetics and Mechanistics Approach Refat M. Hassan et al.(

submitted to Carbohyd. Polym. 2013).

11) Kinetics and Mechanistic Aspects. Catalyzed- Oxidation of

Water-Soluble Macromolecules in Particularly Polysaccharides

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and Poly (Vinyl Alcohol) by Alkaline Permanganate with

Spectrophotometric Detection of Hypomanganate(V) and

Manganate(VI) Short-Lived Transient Species. A Linear Free-

Energy Relationship. Refat M. Hassan, (submitted to Aust. J.

Chem. 2013).

12) A Mechanistic Approach to the Kinetics of Oxidation ofUranium(IV) by Hexachloroplatinate(IV) in AqueousPerchlorate Solutions. Evidence of the Formation of aBinuclear Intermediate Complex. R. M. Hassan, Journal ofPhysical Chemistry, 115, 13338 (2011).

13) Kinetics and Mechanism of Permanganate Oxidation ofIota- and lambda-Carrageenan Polysaccharides as SulfatedCarbohydrates in Acid Perchlorate Solutions. R. M. Hassan, A.Fawzy, G.A.Ahmed, I.A. Zaafarany, B.H.Asghar,H.D.Takagiand Y.Ikeda, Carbohyd. Res., 346, 2260( 2011).

14) Base-Catalyzed Oxidation. Kinetics and Mechanism ofHexacyanoferrate(III) Oxidation of Methyl CellulosePolysaccharide in Alkaline Solutions. R. M. Hassan, S. M.Ibrahim. I. A. Zaafarany A.A. Dahy and A. Fawzy, J. Mol.Cat.A,344,93 (2011).

15) Baze-Catalyzed Oxidation of Some SulfatedMacromolecules: Kinetics and Mechanism of Formation ofIntermediate Complexes of Short-Lived Manganate(VI) and/ orHypomanganate(V) During Oxidation of Iota- and Lamba-Carrageenan Polysaccharides by Alkaline Permanganate. R. M.Hassan, A.Fawzy, A.Alarifi, G.A. Ahmed, I.A. Zaafarany andH.D.Takagi, J. Mol. Cat. 335, 38 (2011).

16) Acid-Catalyzed Oxidation of Some SulfatedPolysaccharides: Kinetics and Mechanism of Oxidation ofKapp-Carrageenan by Cerium(IV) in Aqueous PerchlorateSolutions. R. M. Hassan, A.Alarifi, A. Fawzy, I.A.Zaafarany,K.S.Khairou, Y.Ikeda and H.D.Takagi, J. Mol. Cat. , 332, 138(2010).

17) Further Evidence for Detection of Short-Lived TransientHypomanganate (V) and Manganate (VI) Intermediates DuringOxidation of Some Sulfated Polysaccharides by Alkaline

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Permanganate Using Conventional SpectrophotometricTechniques, I. A. Zaafarany,A. AlArifi, A. Fawzy, G.A.Ahmed, S.A. Ibrahim, R.M. Hassan and H.D. Takagi,Carbohyd. Res. 345, 1588 (2010).

18) Physicochemical studies on some cross-linked trivalentmetal-alginate complexes especially the electrical conductivityand chemical equilibrium related to the coordination geometry,I. A. Zaafarany, K. S. Khairou and R. M. Hassan, HighPerform. Polym., 22, 69 ( 2010).

19) Acid-Catalyzed Oxidation of Carboxymethyl CellulosePolysaccharide by Chromic Acid in Aqueous PerchlorateSolutions. A Kinetic Study. R M. Hassan , S .A. Ahmed, A.Fawzy, D. A. Abdel-Kader, , Y. Ikeda and H. D. Takagi, Cat.Commun.,11 , 611 (2010).

20) Acid-catalyzed Oxidation of Carboxymethyl Cellulose.Kinetics and Mechanism of Permanganate Oxidation ofCarboxymethyl Cellulose in Acid Perchlorate Solutions, R. M.Hassan, D. A. Abdel-Kader, S. M. Ahmed, A. Fawzy, I. A.Zaafarany, B. H. Asghar, H. D. Takagi, Cat. Commun. 11, 184(2009).

21) Acid-Catalyzed Oxidation of Some SulfatedMacromolecules. Kinetics and Mechanism of PermanganateOxidation of Kappa-Carrageenan Polysaccharides in AcidPerchlorate Solutions. R. M. Hassan, A. Fawzy, G.A. Ahmed,I.A. Zaafarany, B.S. Asghar, K.S. Khairou, J. Mol. Cat. 309,95-102 (2009).

22) Physicochemical Studies on Cross-Linked Thorium(IV)-Alginate Complex Especially the Electrical Conductivity andChemical Equilibrium Related to the Coordination Geometry, I.A. Zaafarany, K. S. Khairou and R. M. Hassan, Arab. Saudi J.,2, 1 (2009).

23) Physicochemical Studies on Some Natural PolymericComplexes of Quadrivalent Metal Cations. ElectricalConductivity and Chemical Equilibrium of Cross-LinkedSelenium(IV)-Alginate Complex with Correlation Betweenthe Complex Stability and Geometrical Structure, I. A.Zaafarany, K. S. Khairou, R. M. Hassan and Y. Ikeda, Saudi.

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Chem. Soc., 13, 49 (2009).24) Acid-Catalysis of Chromic Acid Oxidation of Kappa-

Carrageenan Polysaccharide in Aqueous Perchlorate Solutions,I. A. Zaafarany, K. S. Khairou and R. M. Hassan, J. Mol.Catal., 302, 112 (2009).

25) Spectrophotometric Evidence for the Formation of Short-Lived Hypomanganate(V) and Manganate(VI) TransientSpecies during the Oxidation of K-carrageenan by AlkalinePermanganate. G. A. Ahmed, A. Fawzy and R. M. Hassan,Carbohydr. Res., 342, 1382 (2007).

26) Thermal Decomposition of Sn(II), Pb(II), Cd(II) andHg(II) Cross-Linked Metal-Alginate complexes, M. A. El-Gahami, K. S. Khairou and R. M. Hassan, Bull. Polym. Acad.Sci., 51, 105 (2003).

27) Kinetics and Mechanism of Oxidation of ChitosanPolysaccharide by Permanganate Ion in Aqueous PerchlorateSolutions. G. A. Ahmed, K. S. Khairou and R. M. Hassan, J.Chem. Res., 2003, 182 (2003).

28) Kinetics and Mechanism of Permanganate Oxidation ofPectin in Acid Perchlorate Media M. I. Abdel-Hamid, K. S.Khairou and R. M. Hassan, Eur. Polym. J., 39, 381 (2003).

29) Diffusion Controls Relaxation Time and Acceleration ofVelocity of Sol-Gel Transformation for Cross-Linked MetalAlginate Ionotropic Gel Complexes. K. S. Khairou, W. M. Al-Gethami and R. M. Hassan, Bull. Polish Acad. Sci., 51, 207(2003).

30) Kinetics and Mechanism of Sol-Gel Transformation onPolyelectrolyte of Divalent Metal Ions Alginate Complexeswith Formation of Capillary Ionotropic Polymembrane. K. S.Khairou, W. M. Al-Gethami and R. M. Hassan, Bull. PolishAcad. Sci., 49, 299 (2002).

31) Novel Synthesis of Diketocarboxymethyl Cellulose asBiopolymer Precursors. K. S. Khairou, R. M. Hassan and A.M. Shaker, J. Appl. Polym. Sci., 85, 1019 (2002).

32) Temperature-Dependence of Electrical Conductivity for

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Cross-Linked Mono- and Divalent Metal Alginate Complexes.K. S. Khairou and R. M. Hassan, High Perform. Polym., 14,93 (2002).

33) Kinetics and Mechanism of Sol-Gel Transformationbetween Sodium Alginate Polyelectrolyte and Some HeavyDivalent Metal Ions with Formation of Capillary StructurePolymembrane Ionotropic Gels. K. S. Khairou, W. M. Al-Gethami and R. M. Hassan, J. Memb. Sci., 209, 445 (2002).

34) Kinetics and Mechanism of Reduction ofHexachloroiridate(IV) by Kojic acid in Aqueous PerchlorateSolutions. G. A. Ahmed and R. M. Hassan, Bull. Polish Acad.Sci., 49, 235 (2001).

35) Kinetics and Mechanism of Oxidation of Poly(VinylAlcohol) Macromolecule by Chromic Acid in AqueousPerchloric Acid. M. I. Abdel-Hamid, G. A. Ahmad and R. M.Hassan, Eur. Polym. J., 37, 2201 (2001).

36) Pectate Polyelectrolyte Ionotropic Gels. I. Kinetics andMechanism of Formation of Manganate(VI)-PectateIntermediate Complex during Oxidation of PectatePolysaccharide by Alkaline Permanganate. K. S. Khairou, R.M. Hassan, Eur. Polym. J., 36, 2021 (2000).

37) Spectrophotometric Detection of Short-livedManganate(VI) Intermediate through Oxidation of SomeNatural and Synthetic Polymers by Alkaline Permanganate. S.El-Azhary and R. M. Hassan, Spectr. Lett., 32, 17 (1999).

38) Application of Chromatographic Techniques in thePreparation of Phosphoric Acid from Super-phosphate Fertilizeras Phosphate Ions Source. A. Hassan, N. Abo El-Maali, R. M.Hassan and R. M. Mahfouz, J. Saudi Chem. Soc., 3, 1 (1999).

39) Kinetics and Mechanism of Oxidation of ADA byHexachloroiridate (IV) in Aqueous Perchloric Acid. M. A. El-Korashy and R. M. Hassan, Bull. Polish Acad. Sci.,46,147(1998).

40) Relative Permittivity and Electrical Conductivity ofSome Divalent Metal Alginate Complexes. S. M. Abd El-Wahab, M. A. Ahmed, F. A. Radwan, R. M. Hassan and A. M.El-Refae, Mater. Letters, 20, 183 (1997).

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41) Temperature and Frequency Dependence of the ElectricalProperties of Metal Alginate Complexes. M. A. Ahmed, A. M.El-Refae, F. A. Radwan, S. M. Abd El-Wahab and R. M.Hassan, Ind. J. Chem., 71 A, 395 (1997).

42) Preparation and Characterization of New 99Tc and Re-Complexes in Colloidal state. S. A. El-Shatoury, R. M. Hassan,and R.M.Mahfouz. Spectr. Lett., 28, 665 (1995).

43) Alginate Polyelectrolyte Ionotropic Gels. XVII. Influenceof Diffusion Controls on Relaxation Time of Gelation betweenAlginate Polyelectrolyte and Polyvalent Metal Ions. R. M.Hassan, S. A. El-Shatoury and H. A. Azab. ASW. SC. Tech.Bull., Egypt, 16, 62 (1995).

44) Alginate Polyelectrolyte Ionotropic Gels. VIII. ElectricalProperties of Di- and Trivalent Metal Alginate ComplexesSpecially Iron(IIl) and Chromium(IIl) Alginate Resins. R. M.Hassan, S. A. El-Shatoury, M. A. Osman and A. El-Korashy,Bull. Fac. Sci., Assiut Univ., Egypt, 24, 141 (1995).

45) Alginate Polyelectrolyte Ionotropic Gels. XX.Mathematical Approaches for Accounting the Physical Changesof Ionotropic Alginate Gel Complexes of Divalent TransitionMetal Ions during Sol-Gel Transformation. R. M. Hassan, A.Awad and A. M. Shaker, Bull. Fac. Sci., Assiut Univ., Egypt,24, 15 (1995).

46) Alginate Polyelectrolyte Ionotropic Gels. X. Reaction ofKetoalginate with Polyvalent Metal Ions with Special Evidenceon the Nature of Chelation. S. A. El-Shatory, R. M. Mohfouzand R. M. Hassan, ASW. SC. & Tech. Bull., Egypt, 16, 51(1995).

47) Alginate Polyelectrolyte Ionotropic Gels. V. Equilibriumand Kinetic Studies on Exchange of Monovalent Metal Ions byHydrogen Ions Especially Silver (I) in Silver AlginateComplexes. R. M. Hassan, A. Awad and A. M. Shaker, Bull.Fac. Sci., Assiut Univ., Egypt, 24, 27 (1995).

48) Polarographic Behaviour and Determination ofDichromate Ions in Absence and Presence of Cadmium (II) inTheir Buffer Solutions. S. A. El-Shatoury, M. H. Wahdan andR. M. Hassan, J. Ind. Chem. Soc., 72, 853 (1995).

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49) Oxotechnetium and Oxorhenium Complexes of N-Acetyl-Anthranilic Acids. R. M. Mahfouz, A. S. El-Shehawy,S. A. El-Shatoury and R. M. Hassan, Technetium Conference,Italy 1994; Spect. Lett., 28, 127 (1995).

50) Thermal and Electrical Studies on Some Metal AlginateCompounds. A. A. Said, M. M. Abd El-Wahab and R. M.Hassan, Therm. Chem. Acta, 233, 13 (1994).

51) Kinetics and Mechanism of Ligand SubstitutionReactions in Triglycinatovanadium(III) in Aqueous Solutions.Y. Ikeda, R. M. Hassan, M. M. Abd El-Fattah, Y. Y. Park andH. Tomiyasu. Collect. Czech. Chem. Commun., 59, 1077(1994).

52) New Coordination Polymers. IV. Oxidation of Poly(Vinyl Alcohol) by Permanganate Ion in Alkaline Solutions.Kinetics and Mechanism of Decomposition of IntermediateComplex. R. M. Hassan, S. El-Gaiar and A. M. El-Summan,Polym. Int., 32, 39 (1993).

53) Alginate Polyelectrolyte Ionotropic Gels. XVIII.Oxidation of Alginate Polysaccharide by PotassiumPermanganate in Alkaline Solutions. Kinetics of Decompositionof the Intermediate Complex. R. M. Hassan, J. Polym. Sci.,5A, 31, 1147 (1993).

54) Thermal Decomposition of Some Divalent MetalAlginate Gel Compounds. A. A. Said and R. M. Hassan, J.Polym. Degrad. Stabil., 39, 393 (1993).

55) Kinetics of Oxidation of Selenium (IV) by PermanganateIon in Perchlorate Solutions. R. M. Hassan, S. A. El-Gaiar andAbd El-Hady M. El-Summan, Collect. Czech. Chem. Commun.,58, 538 (1993).

56) Alginate Polyelectrolyte Ionotropic Gels. XIII.Geometrical Aspects for Chelation in Metal AlginateComplexes Related to their Physicochemical Properties. R. M.Hassan, Polym. Inter., 31, 81 (1993).

57) Alginate Polyelectrolyte Ionotropic Gels. VI. NovelSynthesis of Diketoalginate as Bipolymer Precursor. R. M.Hassan, M. A. Abd-Alla and M. F. El-Zohary. J. Appl. Polym.Sci., 47, 1649 (1993).

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58) New Coordination Polymers. III. Oxidation of Poly(Vinyl Alcohol) by Permanganate Ion in Alkaline Solutions.Kinetics and Mechanism of Formation of an IntermediateComplex with a Spectrophotometric Detection ofManganate(VI) Transient Species. R. M. Hassan, Polym.Inter., 30, 5 (1993).

59) Alginate Polyelectrolyte Ionotropic Gels. XIV. Kineticsand Mechanism of Formation of Intermediate Complex Duringthe Oxidation of Alginate Polysaccharide by AlkalinePermanganate with a Spectrophotometric Evidence ofManganate(VI) Transient Species. R. M. Hassan, J. Polym.Sci., 31, 51 (1993).

60) Alginate Polyelectrolyte Ionotropic Gels. XV.Physicochemical Properties of Uranyl Alginate ComplexEspecially the Chemical Equilibrium and ElectricalConductivity Related to the Coordination Geometry. R. M.Hassan, Y. Ikeda and H. Tomiyasu, J. Mater. Sci., 28, 5143(1993).

61) Alginate Polyelectrolyte Ionotropic Gels. II. Kinetics andMechanism of Exchange of Chelated Nickel(II) by HydrogenIons In Capillary Ionotropic Nickel Alginate PolymembraneGel Complex.R. M. Hassan, J.Mater. Sci.,28, 384 (1993).

62) Kinetics of Isothermal Decomposition of γ-Irradiated andUnirradiated Co(II) Succinato Complex. T. Farid, A. A. El-Beilihi, Z. A. Omran and R. M. Hassan, J. Therm. Anal., 38,2377 (1992).

63) Alginate Polyelectrolyte Ionotropic Gels. XVI. Kineticsand Chemical Equilibria Studies for Heterogeneous IonExchange of Polyvalent Metal Ions in Alginate Gel Complexes.R. M. Hassan, S. A. E1-Shatoury and A. A. Said. HighPerform. Polym., 4, 173 (1992).

64) Alginate Polyelectrolyte Ionotropic Gels. XIX.Spectrophotometric Detection of Short-Lived Intermediate inAlkaline Permanganate Oxidation of Alginate Polysaccharide.M. Th. Makhiouf, S. A. El-Shatoury and R. M. Hassan, HighPerform. Polym., 4, 89 (1992).

65) Alginate Polyelectrolyte Ionotropic Gels. XII.

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Chromatographic Separation of Metal Ions in MixtureSolutions. R. M. Hassan S. A. El-Shatoury and M.Th.Makhlouf, High Perform. Polym., 4, 49 (1992).

66) Kinetics and Mechanism of Oxidation of Kojic Acid byPermanganate Ion in Perchlorate Media. R. M. Hassan, ActaChimi. Hungarica, 129, 661 (1992).

67) Alginate Polyelectrolyte Ionotropic Gels. IX. DiffusionControl Effects on the Relaxation Time of Sol-GelTransformation of Divalent Metal Alginate Ionotropic GelComplexes. R. M. Hassan, S. A. El-Shatoury and M. Th.Makhlouf. Coll. Polym. Sci., 12, 1237 (1992).

68) Kinetics and Mechanism of Hexachloroiridate(IV)Oxidation of Arsenic(III) in Acidic Perchlorate Solutions. R.M. Hassan, Collect. Czech. Chem. Commun, 57, 1451 (1992).

69) Kinetics of Thermal Decomposition of γ-Irradiated andUnirradiated of Some Complexes of Mandelhydroxamic Acid.R. M. Hassan, T. Farid and A. A. El-Bellihi, J. Radioanal.Nucl. Chem., Lett, 165, 277 (1992).

70) New Coordination Polymers. II. Coordination of Poly(Vinyl Alcohol) with Divalent Metal Ions. R. M. Hassan, M.A. El-Gahami and M. A. Abd-Alla, J. Mater. Chem., 2, 613(1992).

71) New Coordination Polymers. I. Novel Synthesis of Poly(Vinyl Alcohol) and Characterization as Chelating Agent.R. M.Hassan and M. A. Abd-Alla, J. Mater. Chem., 2, 609 (1992).

72) Kinetics and Mechanism of Oxidation of Tin(II) byHexachloroiridate(IV) in Aqueous Perchlorate Solutions. R. M.Hassan, Collect. Czech. Chem. Commun., 57, 326 (1992).

73) A Review on Oxidation of Uranium(IV) by PolyvalentMetal Ions. A Linear Free-Energy Correlation. R. M. Hassan,J. Coord. Chem., B. Rev., 27, 255 (1992).

74) 64) Alginate Polyelectrolyte Ionotropic Gels. VII.Physicochemical Studies on Silver(I) Alginate Complex withSpecial Correlation to the Electrical Properties and GeometricalStructure. R. M. Hassan, Coll. Surf., 60, 203 (1991).

75) Synthesis and Characterization of High-Spin Iron(III)-Sulpha Drugs Complexes and their Biological Activity. M. K.

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Hassan, R. M. Hassan and M. A. Abd-Alla, Monatshefte furChemie, 122, 829 (1991).

76) Alginate Polyelectrolyte Ionotropic Gels. III. Kinetics ofExchange of Chelated Divalent Transition Metal IonsEspecially Cobalt(II) and Copper(II) by Hydrogen Ions inCapillary Ionotropic Metal Alginate Polymembrane Gels. R. M.Hassan, J. Mater. Sci., 26, 5806 (1991).

77) Ionotropic Gels of Alginate Polyelectrolyte. I.Potentiometric Determination of the Ionization Constant ofAlginic Acid Polyelectrolyte in Relation to Sol-GelTransformation Mechanism. R. M. Hassan and M. A. Abd-Alla, Acta Polym., 42, 447 (1991).

78) Kinetics of Reaction of Uranium (IV) andHexachloroiridate(IV) in Acid Perchlorate Solutions. R. M.Hassan, J. Chem. Soc., Dalton Trans., 3003 (1991).

79) Kinetics and Mechanism of Oxidation of DL-α-Alanineby Permanganate Ion in Acid Perchlorate Media. R. M.Hassan, Can. J. Chem., 69, 2018 (1991).

80) Separation of Metal Alginate Ionotropic Gels toPolymembranes with Special Evidence on the Position ofChelation in Copper Alginate Complex. R. M. Hassan, A.Awad and A. Hassan, J. Polym. Sci., 29, 1645 (1991).

81) Kinetics and Mechanism of Selenium(IV) Oxidation ofAscorbic Acid in Aqueous Perchlorate Solutions. R. M.Hassan, Croat. Chem. Acta, 64, 229 (1991).

82) New Coordination Polymers of l,4-bis(2-Hydroxyphenylazomethane)-phynylene. M. K. Hassan, M. A. Abd-Alla and R.M. Hassan, J. Macromol. Sci., A 27, 1501 (1990).

83) Electrooxidation and Determination of Anti-Inflammatory Drugs Piroxicam and Tenoxicam at Carbon PasteElectrode. N. Abo El-Maaly and R. M. Hassan, J. Electroanal.Chem., 24, 155 (1990).

84) Influence of Frequency on Electrical Properties of Acidand Trivalent Metal Alginate Ionotropic Gels. A Correlationbetween Strength of Chelation and Stability of Polye1ectrolyreGels. R. M. Hassan, High Perform. Polym., 1, 275 (1989).

85) Influence of Frequency on Specific Conductance of

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Polyelectrolyte Gels with Special Correlation between Strengthof Chelation and Stability of Divalent Metal AlginateIonotropic Gels. R .M. Hassan, M. Th. Makhlouf, A. M.Summan and A. Awad, Eur. Polym. J., 25, 993 (1989).

86) Kinetics and Mechanism of Sol-Gel Transformation ofPolyelectrolytes of Some Transition Metal Ions EspeciallyCobalt Alginate Ionotropic Membranes. R. M. Hassan, A. M.Summan, M. K. Hassan and S. A. El-Shatoury, Eur. Polym. J.,25, 1209 (1989).

87) Polarographic Determination of Formation Constants ofthe Mixed Complexes of Cd(II) and Pb(II) with Thiosulphateand Halide Ions. M. A. Ghandour, R. M. Hassan, S. A. Ibrahimand N. Abo El-Maali, J. Chin. Chem. Soc., Taipei, 36, 293(1989).

88) Kinetics and Mechanism of Sol-Gel Transformation forPolyelectrolytes of Capillary Copper Alginate IonotropicMembranes. R. M. Hassan, S. A. El-Shatoury, M. A. Mousaand A. Hassan, Eur. Polym. J., 24, 1173 (1988).

89) Solvent Effects on Kinetics of the Hydrolysis ofBenzenesulfonyl Chloride. M. A. Mousa and R. M. Hassan,Orient. J. Chem., Ind., 4, 17 (1988).

90) Kinetics and Mechanism of Oxidation of p-Phenylalanineby Permanganate Ion in Aqueous Perchloric Acid. R. M.Hassan, M. A. Mousa and M. H. Wahdan, J. Chem. Soc.,Dalton Trans., 605 (1988).

91) Kinetics and Mechanism of Sol-Gel Transformation onPoly-electrolytes of Nickel Alginate Ionotropic Membranes. R.M. Hassan, M. H. Wahdan and A. Hassan, Eur. Polym. J., 24,281 (1988).

92) Kinetics and Mechanism of Oxidation of DL-α-Alanineby Potassium Permanganate in Sulphuric Acid Medium. M. M.Girgis, R. M. Hassan and A. S. El-Shehawy, Bull. Fac. Sci.,Assiut Univ., 16, 41 (1987).

93) Kinetics and Mechanism of Reduction of 4-(p-Dimethylamino)-Benzylidene-3-methyl-1-phenyl-2-pyrazolin-5-one by Bisulphite Ions in Aqueous Ethanolic Media. M. M.Girgis, R. M. Hassan and Z. H. Khalil, Ind. J. Tech., 25, 334

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(1987).94) Kinetics of the Oxidation of Uranium(IV) by

Permanganate Ion in Aqueous Perchlorate Media. R. M.Hassan, M. A. Mousa and S. A. El-Shatoury, J. Chem. Soc.,Dalton Trans., 601 (1988).

95) Kinetics and Mechanism of Reduction of 4-(p-Dimethylamino)- phenylimino-3-methyl-1-phenyl-2-pyrazolin-5-one by Bisulphite in Aqueous Ethanolic Media. R. M.Hassan and M. M. Girgis, Ind. J. Chem., 26A, 936 (1987).

96) Polarographic and Amperometric Analysis of Seleniteand Selenate in Simple or Binary Mixture. H. A. Azab, A.Hassan and R. M. Hassan, Bull. Chem. Soc., France, 1, 26(1987).

97) Kinetic Studies on Base-Catalyzed Condensation ofBenzaldehyde p-Hydroxybenzaldehyde, p-Dimethylaminobenzaidehyde and N-N-Dimethyl-p-nitroanilinewith l-phenyl-3-methyl-2-pyrazolin-5-one. M. M. Girgis, R.M. Hassan and Z. H. Khalil, Croatica Chemica Acta, Yogs., 60,215 (1987).

98) Polarographic Behaviour of Tellurite Ions in UniversalBuffer Solutions. R. M. Hassan, H. A. Azab and A. Hassan, Z.Phys. Chemie. Leipzig, 268, 955 (1987).

99) Polarographic Behaviour of Selenite Ions in UniversalBuffer Solutions. H. A. Azab, A. Hassan and R. M. Hassan,Annali di Chimica, 76, 51 (1986).

100) New Metal Ion Buffer for Standardization of Copper IonSelective Electrode. H. A. Azab, R. M. Hassan and S. A.Ibrahim, Annali di Chimica, 76, 221 (1986).

101) Kinetics and Mechanism of the Oxidation ofUranium(IV) by Hexachloroiridate(IV)in Aqueous Acidic Perchlorate Media. R. M.Hassan, T.Kojima and H. Fukutomi, Bull. Res. Lab. Nucl. React., Jpn., 6,35 (1981).

102) A Kinetic Study of the Oxidation of Uranium(IV) byFerricyanide Ions in Aqueous Solutions. R. M. Hassan, T.Kojima and H. Fukutomi, Bull. Res. Lab. Nucl. React., Jpn., 5,

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41 (1980).103) Kinetics of Sol-Gel Transformation Especially Ionotropic

Gels. A. Awad, El-Cheikh and R. M. Hassan, RevueRoumaine de Chimie, 24, 563 (1979).

Papers to be Submitted for Publication

1) Kinetics and Mechanism of Oxidation of Chondroitin-4-Sulfate

Polysaccharide by Alkaline Permanganate with Spectrophotometric

Detection of Transient Intermediate Complexes Involving Manganate(VI)

and Hypomanganate(V) Short-Lived Species. Refat M. Hassan et.al.

2) Base-Catalyzed Oxidation of Some Sulfated Macromolecules.

Novel Synthesis of Diketo-Acid Derivative as a Bipolymer Precursor

through Oxidation of Kappa-Carrageenan Polysaccharide by Alkaline

Permanganate. Refat M. Hassan et al.

3) Base-Catalyzed Oxidation of Some Sulfated Macromolecules.

Kinetics and Mechanism of Decomposition of Intermediate

Complexes with Spectrophotometric Detection of Short-Lived

Manganate (VI) Transient Species during the Oxidation of Kappa-,

Iota- and Lambda-Carrageenan Polysaccharides by Alkaline

Permanganate. Refat M. Hassan et al.

4) Acid-Catalyzed Oxidation of Some Sulfated Polysaccharides:

Kinetics and Mechanism of Oxidation of Carboxymethyl Cellulose

by Cerium(IV) in Aqueous Perchlorate Solutions. R. M. Hassan et al.

5) Kinetics and Mechanism of Permanganate Oxidation of Poly (Vinyl

Alcohol) as a Synthtic Polymer in Aqueous Perchloric Acid Solutions.

Refat M.Hassan et al.

6) Kinetics and Mechanism of Non-Isothermal Decomposition of

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Some Quadrivalent Cross-Linked Metal Alginate Complexes

Especially Thorium(IV)- Alginate Complex with Correlation to

Geometrical Stability, Refat M. Hassan et al.

The Latest Conferences :

1- The 12th Ibn Sina International Conference on Pure and Applied

Heterocyclic Chemistry, Feb. 16-19, 2013, Luxor, Egypt, Oxidation of

Some Macromolecules: Kinetics and Mechanism of Oxidation of

Carboxymethyl Cellulose by Hexacyanoferrate(III) in Alkaline

Solutions., R. M. Hassan and H. D. Takagi.; Acid-Catalyzed Oxidation

of Methyl Cellulose by Chromic Acid in Aqueous Perchlorate Solutions.

Kinetics and Mechanistics Approach., R. M. Hassan and I. A. Zaafarany.

2- The Fifth International Chemistry Conference, April 16-18,2012,

Umm Al-Qura University, Makkah Al-Mukarramah, Kinetics of

Corrosion of Aluminium in Acidic Media by Natural Polymeric Pectates

as Anionic Polyelectrolyte Inhibitors., R. M. Hassan, I. A. Zaafarany, A.

Fawzy, K. S. Khairou and H. D. Takagi.

3- The Fourth International Chemistry Conference, November 19-21

2011, King Saud University, Riyadh, Saudi Arabia Kingdom, Acid-

Catalyzed Oxidation of Some Sulfated Macromolecules. Kinetics and

Mechanism of Oxidation of Chondroitin-4-sulfate Polysaccharide by

Chromic Acid in Aqueous Perchlorate Solutions, R.M. Hassan, S. M.

Ibrahim, I. A. Zaafarany, A. Fawzy, M. Mulla, K. S. Khairou and H. D.

Takagi.

4- Taibah International Fourth Saudi Science Conference, March 21-

24 (2010), Al-Madina Al-Munawwarah Saudi Arabia Kingdom (three

25

posters) Kinetics and Mechanism of Oxidation of Tellerium(IV) by

Hexachloroiridate (IV) in Aqueous Perchlorate Solutions, R. M.

Hassan , Y. Ikeda and H. D. Takagi.

5- Taibah International Chemistry Conference, March, 23-25 (2009),

Al-Madinah Al-Munawwarah, Saudi Arabia Kingdom (five posters)

“Acid Catalyzed Oxidation of Some Sulfated Anionic Polysaccharides

by Chromic Acid in Aqueous Perchlorate Solutions“ R. M. Hassan, I.

A. Zaafarany, B. Asghar and K. S. Khairou

6- The 11th Ibn Sina International Conference on Pure and Applied

Heterocyclic Chemistry (ISIC), December, 13-16, 2008, Cairo,

Egypt, “Acid-Catalyzed Oxidation: Kinetics and Mechanism of

Oxidation of Carboxymethyl Cellulose by Cerium(IV) in Aqueous

Perchlorate Solutions” R. M. Hassan, I. A. Zaafarany, D. A. Abdel-

Kader and S. M. Ahmed.

7-The 5th Scientific Research Outlook and Technology Development

Conference (ASTF) October 28-31, 2008, Fez – Morocco, “Kinetics

and Mechanisms of Sol-Gel Transformation of Cross-Linked

Trivalent – Metal – Alginate Complexes with Formation of Capillary

Structure Ionotropic Polymembrances” R. M. Hassan and I. A.

Zaafarany.

8. Seventh International Conference on Radio Chemistry, 9-12 Sept.

2008, Budapest, Hungry, “Physico-Chemical Studies on Cross Linked

Thorium-Alginate Complex Especially Electrical Conductivity &

Chemical Equilibrium”, I. A. Zaafarany and R. M. Hassan.

9. The 9th Arab International Conference on Polymer Science &

Technology, November, 18-22, 2007, Hurghada, Egypt, “Kinetics and

Mechanism of Decomposition of the Intermediate Complex Formed

during Oxidation of Kappa-Carrageenan Polysaccharide by Alkaline

26

Permanganate”, R. M. Hassan, A. Fawzy, G. A. Ahmed and K. S.

Khairou; “Kinetics and Mechanism of Chromic Acid Oxidation of K-

carrageenan Polysaccharide in Acid Perchlorate Solutions”, R. M.

Hassan, and K. S. Khairou.

10- The First Annual Conference for Young Scientists, Basic Sciences

& Technology, May, 5-6, 2007, Faculty of Science, Assiut University,

Assiut, Egypt, “Kinetics and Mechanism of Oxidation of Kappa-

Carrageenan Polysaccharide by Permanganate Ion in Acid Perchlorate

Solutions”, R. M. Hassan, A. Fawzy, G. A. Ahmed and K. S.

Khairou.

11- National Conference in Chemistry, April, 15-16 2007, Makkah

Al-Mukarramah, Saudi Arabia Kingdom, “Kinetics and Mechanism of

Formation of Intermediate Complexes with Spectrophotometric

Detection of Short-Lived Manganate (VI) Transient Species during

the Oxidation of Iota- and Lambda-Carrageenan Polysaccharides by

Alkaline Permanganate”, R. M. Hassan, A.Fawzy, G.A. Ahmed and

K.S. Khairou.

12- The10th Ibn Sina International Conference on Pure and Applied

Heterocyclic Chemistry (ISIC), February, 10-15, 2007, Luxor, Egypt,

“Kinetics and Mechanism of Formation of An Intermediate Complex

Through Oxidation of Kappa-Carrageenan Polysaccharide by Alkaline

Permanganate with a Spectrophotometric Detection of Manganate(VI)

Transient Species”, R. M. Hassan, A. Fawzy, G. A. Ahmed and K. S.

Khairou.

13- The 1st European Chemistry Congress, 21-27 Aust., 2006,

Podapest, Hungry, “Kinetics and Mechanism of Sol-Gel

Transformation on Alginate Polyelctrolyte of Some Alkaline Earth

Metal Ions with Formation of Capillary Structure Ionotropic

27

Polymembrances”, R. M. Hassan and G. A. Ahmed.

14- The 8th International Conference in Chemistry and Its Role in

Development, 15-18 April, 2005, Sharm El-Sheikh, Egypt, (Invited

Professor).