Dr.. Essam Abdul Qader Mohammed Al - Hafian

Dr.. Essam Abdul Qader Mohammed Al - Hafian

الوظيفة الحالية : Head of Research and Consulting Center

مكان العمل : كلية العلوم صبراتة


السيرة الذاتية :

PERSONAL DATA

Family name : Elhefian First name : Esam Date/ place of birth : 1971/ Tripoli Nationality : Libyan Marital status : Married Sex : Male Current address : Department of Chemistry, Faculty of Science, Sabratha University, Sabratha, Libya E-mail : eelhefian@yahoo.com M/P : 0919822340


ACADEMIC QUALIFICATIONS :


2007-2011: Ph.D Studies in Physical Chemistry, University of Malaya, Kuala Lumpur, Malaysia Title: “Studies on Chitosan Based Films Obtained by Blending With Agar and Poly Vinyl Alcohol”

2001-2003: MSc Studies in Physical Chemistry, University of Malaya, Kuala Lumpur, Malaysia Title: “Physicochemical Characterization of Chitosan Interfacial Properties in Solutions and Films”

1992-1996: Undergraduate Studies in Chemistry (Hons), Attahadi University, Musrata, Libya.


TEACHING AND WORKING EXPERIENCE :

1997-1998: General Chemistry to Secondary School students.

1998-1999: Experiments in Physical Chemistry at the Seventh of April University, Az Zāwīyah, Libya

2003-2006: General and Physical Chemistry at the Seventh of April University and at some other colleges in Libya (as an Assistant Lecturer).

Since Jan 2012: General Chemistry 1, General Chemistry 2, Physical Chemistry 1, Physical Chemistry 2, Physical Chemistry 3, Physical Chemistry 4, Physical Chemistry 6, Advanced Physical Chemistry 1 for master students, General Chemistry lab. 1, Physical Chemistry lab. 3, Physical Chemistry lab. 4

1st July 2010 -31st July 2011: As a researcher at Chemistry Department, University of Malaya under the supervision of Prof. Dr. Abdul Hamid bin Yahaya

at Mohammad Niyaz Khan. . Drwith Prof As a researcher31 Dec 2011: -Ogos 2011 st1 Chemistry Department, University of Malaya. High Impact Research (HIR) project “ An empirical kinetic ion Abbroach to study the occurrence of ion exchange at the aqueous cationic Micellar Surface . HIR/MOHE/SC/07

Jan 2012- Jan 2015, a lecturer at Chemistry Department, University of Zawia, Az Zāwīyah, Libya

Jan 2015- July 2017, an assistant lecturer at Chemistry Department, University of Zawia, Az Zāwīyah, Libya

Since July 2017, an assistant lecturer at Chemistry Department, Faculty of Science, Sabratha University, Sabratha, Libya.

Current position: Head of Research and Consulting Center, Sabratha University, Sabratha, Libya.


PUBLICATIONS

1- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya. (2003). A Study of Surface Tension of Chitosan Solutions. Malaysian Journal of Science. 22: 121-125 (Refereed Journal)

2- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya. (2004). Effect of Temperature and Storage Time on The Viscosity of Chitosan Solutions. University Bulletin (Seventh April University). 110-115. (Refereed Journal)

3- Esam A. El-hefian; Rashid Atta Khan and Abdul Hamid Yahaya. (2007). Some Physical Properties of Chitosan in Propionic Acid Solutions. Mj. Int. J. Sci. Tech. 2: 178183. (ISI-Cited Publication)

4- Esam A. El-hefian, Rashid Atta Khan and Abdul Hamid Yahaya. (2008). Study of Parameters affecting the Viscosity of Chitosan Solutions. J. Chem. Soc. Pak. 30: 529-531. (ISI-Cited Publication)

5- Esam A. El-hefian; Abdul H. Yahaya and Misni Misran. (2009). Surface investigation of chitosan film with fatty acid monolayers. Mj. Int. J. Sci. Tech. 3: 277-286. (ISI-Cited Publication)


6. Esam A. El-hefian, Abdul H. Yahaya and Misni Misran (2009). Characterisation of chitosan solubilised in aqueous formic and acetic acids. Mj. Int. J. Sci. Tech. 3: 415-425. (ISI-Cited Publication)

7. Esam A. El-hefian, Mohamed Mahmoud Nasef, Abdul Hamid Yahaya and Rashid Atta Khan. (2010). Preparation and characterization of chitosan/agar blends: Rheological and thermal studies. J. Chil. Chem. Soc. 55: 130-136. (ISI-Cited Publication)

8. Esam A. El-hefian, Elham S. Elgannoudi, A. Mainal and A. H. Yahaya. (2010). Characterization of Chitosan in Acetic Acid: Rheological and Thermal Studies. Turkish Journal of Chemistry. 34: 47-56. (ISI-Cited Publication)

9. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. Rheological and morphological studies of chitosan/agar/ poly (vinyl alcohol) blends. Journal of Applied Sciences Research. 6: 460-468. (SCOPUS -Cited Publication) 10. Esam A. El-hefian and Abdul H. Yahaya. (2010). Rheological study of chitosan and its blends: An overview. Mj. Int. J. Sci. Tech. 4: 210-220. (ISI and SCOPUS -Cited Publication)

11. Esam A. El-hefian and Abdul H. Yahaya. (2010). The effects of temperature, shearing time and rate of shear on the apparent viscosity of chitosan/agar mixture solutions. Mj. Int. J. Sci. Tech. 4: 261-267. (ISI-Cited Publication)

12. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. (2010). The Preparation and Characterization of Chitosan/Poly (Vinyl Alcohol) Blended Films. E-Journal of Chemistry. 7: 1212-1219. (ISI and SCOPUS-Cited Publication)

13. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. (2010). Preparation and characterization of chitosan/poly vinyl alcohol blends: Rheological study. E-Journal of Chemistry. 7(S1): S349-S357. (ISI and SCOPUS-Cited Publication)-

14. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya (2011). The preparation and characterization of chitosan/poly (Vinyl Alcohol) blended films: Mechanical, thermal and surface investigations. E-Journal of Chemistry. 8 (1): 91-96. (ISI and SCOPUS-Cited Publication)

15. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul H. Yahaya. (2011). Chitosan Physical Forms: A short review. Australian Journal of Basic and Applied Sciences. 5(5): 670-677. (ISI and SCOPUS-Cited Publication)

16. Esam A. El-hefian and Abdul H. Yahaya. (2011). Investigation on some properties of SDS solutions. Australian Journal of Basic and Applied Sciences. 5(7): 1221-1227. (ISI and SCOPUS-Cited Publication)

17. Mohamed Mahmoud Nasef, Esam A. El-hefian, Sariah Saalah and Abdul Hamid Yahaya. The Preparation and Properties of Non-crosslinked and Ionically Crosslinked Chitosan/Agar Blended Hydrogel Films. E- Journal of Chemistry. 2011, 8(S1), S409S419. (ISI-CitedPublication)

18. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul H. (2011). Yahaya. Mechanical, thermal and surface investigations of chitosan/agar/PVA ternary blended films. E- Journal of Chemistry. 8(S1): S105-S112. (ISI-CitedPublication) 19. Esam A. El-hefian, Mohamed Mahmoud Nasef, Rashid Atta Khan and Abdul Hamid Yahaya. (2012). Characterization of aqueous solutions of mixture of chitosan and agar. J. Chem. Soc. Pak. 34 (1): 127-130. (ISI-Cited Publication)

20. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul H. Yahaya. (2012). Preparation and characterization of chitosan/agar blended films: Part 1. Chemical structure and morphology. E- Journal of Chemistry. 9(3): 1431-1439. (ISI-Cited Publication). 21. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul H. Yahaya. (2012). Preparation and characterization of chitosan/agar blended films: Part 2. Thermal, mechanical, and surface properties. E- Journal of Chemistry. 9(2): 510-516. (ISI-Cited Publication). 22. Esam Abdulkader El-Hefian, Mohamed Mahmoud Nasef and Abdul H. Yahaya. (2014). Chitosan-based polymer blends: current status and applications: A review. J. Chem. Soc. Pak. 36 (1): 11-27 (ISI-Cited Publication).

23. Ahmed Ibrahim, Wala Nasrat, Esam Abdulkader Elhefian. (2016). Evaluation of biochemical parameters and trace elements in type-2 diabetic patients. Nova J. Med. Biol. Sci. 5 (4): 1-7. (Refereed Journal)

24. Ahlaam Mawloud Suwan, Ahlam Duw Hussein, Asmaa Abdulbasit Alshamis, Esam Abdulkader Elhefian. (2017). Water quality evaluation of domestic wells in Surman, northwestern Libya. Nova J. Eng. Appl. Sci. 6 (1): 1-4. (Refereed Journal)

25. Hadohum M. Musallam, Hend M. Almozogai, Somia S. Amkabis, Marowa A. Aoag, Tark M. Hassan, Esam A. Elhefian, Fathi M. Asseid. (2017). Physicochemical characteristics of various milk samples. Nova J. Med. Biol. Sci. 6 (2): 1-3. (Refereed Journal)

26. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. The preparation and characterization of chitosan/agar/poly (vinyl alcohol) ternary films. Journal of the Brazilian chemical society. Submitted. ((ISI-Cited Publication)

BOOKS

1- Elham Elgannoudi, Esam Elhefian and Azizah Mainal. Some Aspects of PhysicoChemical Properties of Chitosan. LAP Lambert Academic Publishing. Germany, (28. July 2014).


CONFERENCES


1- Esam A. El-hefian, Misni Misran and Abdul Hamid Yahaya: A Study of Surface Tension of Chitosan Solutions. Regional Analytical Science Symposium. Melaka, Malaysia, 2001. (SKAM-14).

2- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya: Study of The Effect of Transferring A Monolayer of Two Fatty Acids onto Chitosan Film. 5th International Conference of The European Chitin Society (EUCHIS’02). Trondheim, Norway (June 2002).

3- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya: Study of Contact
Angles and Conductivities of Chitosan Solutions. 5th International Conference of The
European Chitin Society (EUCHIS’02). Trondheim, Norway (June 2002).

4- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya: TG and FTIR Studies on Chitosan and It’s Acetate Form. Regional Analytical Science Symposium. Penang, Malaysia, 2002. (SKAM-15).

5- Esam A. El-hefian; Misni Misran. and Abdul Hamid Yahaya: Study of surface tension, contact angle and conductivity of SDS solutions. Regional Analytica Science Symposium. Penang, Malaysia, 2002. (SKAM-15).

6- Esam A. El-hefian; Osama. M. Jabir and Abdul Hamid Yahaya: Temporal Behavior of Olive Oil: With and Without Chitosan. 12th Asian Chemical Congress (12ACC). Putra World Trade Center, Kuala Lumpur, Malaysia. (August 23-25, 2007).

7- Attending the 11th International Conference and Exhibition on Radiation Curing: UV/EB Curing Technology of Choice, Now & in the future. Kuantan, Pahang Darul Makmur, Malaysia. (4-6 September 2007).
8- Esam A. El-hefian; Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. Effect of organic acids on viscosity of dilute chitosan solutions. International Graduate Congress 2007: 3rd Mathematics & Physical Science Graduate Congress (MPSGC).Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia. (12-14 December 2007).
:and A. H. Yahaya, Azizah Mainal S. ElgannoudiElham. , hefian-A. El Esam -9 rdl Graduate Congress 2007: 3Internationa. Rheology of chitosan solutions in acetic acid Mathematics & Physical Science Graduate Congress (MPSGC).Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia. (12-14 December 2007). 10- Esam A. El-hefian, Elham. S. Elgannoudi, R Yahya, A Mainal and A. H. Yahaya: Study of the effects of pH and dynamic viscosity on the chitosan solutions in formic acid. 2nd Penang International Conference For Young Chemists (ICYC). University Sains Malaysia, Penang, Malaysia. (18-20 June 2008).

11- Esam A. El-hefian, R. Yahya, Mohamed Mahmoud Nasef, Rashid Atta Khan and A. H. Yahaya: Characterization of aqueous solutions of mixture of chitosan and agar. 2nd Penang International Conference For Young Chemists (ICYC). University Sains Malaysia, Penang, Malaysia. (18-20 June 2008).


12- Esam A. El-hefian, Elham. S. Elgannoudi, A. H. Yahaya, R. Yahya and A. Mainal. Rheological study of chitosan in propionic acid solutions. Simposium Kimia Analisis Malaysia Ke-21 (SKAM-21). University Malaysia Sabah, Kota kinabalu, Malaysia. (2427 November, 2008).

13- Esam A. El-hefian, Elham. S. Elgannoudi, A. Mainal and A. H. Yahaya. Study of the effect of the solvent on the thermal and morphological properties of chitosan films. Simposium Kimia Analisis Malaysia Ke-21 (SKAM-21). University Malaysia Sabah, Kota kinabalu, Malaysia. (24-27 November, 2008).

Rashid Atta and , Mohamed Mahmoud Nasefhefian-Esam A. El, A. H. Yahaya -14 Khan. Flow properties of chitosan/agar samples. Eighth International Symposium on Environment, Catalysis and Process Engineering. Djerba, Tunisia. (14-15 April, 2009). .Rashid Atta Khan , A. H. Yahaya and, Mohamed Mahmoud Nasefhefian-Esam A. El. 51 rd. The 3Characterizations of biodegradable films based on blends of chitosan and agar national conference on basic science. University of Al-jabal Al-gharbi, Ghrian, Libya. (25-27 April, 2009). Rashid andya, Mohamed Mahmoud Nasef , Abdul Hamid Yahahefian-Esam A. El16. Atta Khan. Preparation and characterization of chitosan/PVA mixture solutions: and (ASIANALYSIS X sian Conference on Analytical ScienceA th10. Rheological study SKAM 22). Putra World Trade Center, Kuala Lumpur, Malaysia. (11-13 August, 2009). 17. Esam A. El-hefian, Mohamed Mahmoud Nasef, Rashid Atta Khan and Abdul Hamid Yahaya. Characterizations of chitosan/agar blends. Malaysian Polymer International conference (MPIC). Putrajaya, Kuala Lumpur, Malaysia. (21-22 October 2009).
18. Esam A. El-hefian, Abdul Hamid Yahaya, Mohamed Mahmoud Nasef and Rashid Atta Khan. Preparation and characterization of chitosan/agar/PVA mixture solutions: Rheological study. The Fifth Mathematics & Physical Science Graduate Congress (MPSGC). Faculty of Science, Chulalongkorn University, Bangkok, Thailand. (7-9 December 2009).
19. Esam A. El-hefian, Mohamed Mahmoud Nasef, Abdul Hamid Yahaya and Rashid Atta Khan. Characterization of chitosan/poly (vinyl alcohol) blend films. The 9th National Symposium on Polymeric Materials (NSPM 2009). Putrajaya, Kuala Lumpur, Malaysia (14-16 December 2009).

20. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. Surface investigation of chitosan/agar/poly vinyl alcohol ternary films. The 5th International Conference on X-Rays and Related Techniques in Research and Industry (ICXRI 2010). Aseania Resort, Langkawi, Malaysia (9-10 June 2010).

21. A. H. Yahaya, Esam A. El-hefian, Elham. S. Elgannoudi and A. Mainal. Properties of chitosan films cast from different solvents. The 5th International Conference on X-Rays and Related Techniques in Research and Industry (ICXRI 2010). Aseania Resort, Langkawi, Malaysia (9-10 June 2010).


22. Esam A. El-hefian, Mohamed Mahmoud Nasef and Abdul Hamid Yahaya. Surface and swelling investigations of chitosan/poly vinyl alcohol blended films. The first International Congress on Materials and Environment (CIME2010). Algiers, Algeria (5-7 October 2010).

23. A. H. Yahaya, Esam A. El-hefian, Elham. S. Elgannoudi and A. Mainal. Rheological and pH behaviors of chitosan solutions in formic acid. The 11th Eurasia Conference on Chemical Sciences (EuAsC2S-11). The Dead Sea, Jordan (6-10 October 2010).

24. Esam A. El-hefian, Mohamed Mahmoud Nasef, Sariah Saalah and Abdul Hamid Yahaya. Preparation and Properties of Non-Crosslinked and Crosslinked Chitosan/Agar Blend Hydrogel Membranes. The 6th Mathematics and Physical Science Graduate Congress 2010 (6th MPSGC). Faculty of Science, University of Malaya, Malaysia (13th - 15th December 2010).

25. Esam A. El-hefian and Abdul Hamid Yahaya. Rheological studies of cinnamon aqueous extracts. The Universiti Malaysia Terengganu 10th International Annual Symposium (UMTAS 2011). Kuala Terengganu, Malaysia (11th -13th July 2011). 26. Abdul Hamid Yahaya Esam A. El-hefian and Mohamed Mahmoud Nasef. Physical Investigations on Chitosan Based Blended Films. The Universiti Malaysia Terengganu 10th International Annual Symposium (UMTAS 2011). Kuala Terengganu, Malaysia (11th -13th July 2011).

27. Aymen Ahmed Jacknoon, Esam A. Elhefian, Adam Musa Mohammed and Abdul Hamid Yahaya. Study of Two Acacia Species in Sudan. The 24th Regional Symposium of Malaysia Analytical Sciences (SKAM 24). Langkawi, Malaysia (21 -23 November 2011).

28. Ayman Ahmed Jacknoon, Abdul Hamid Yahaya , Adam Musa Mohammed and Esam. A. Elhefian. Aymen Ahmed Jacknoon, Quantitative Study of some Acacia Species. The 24th Regional Symposium of Malaysia Analytical Sciences (SKAM 24). Langkawi, Malaysia (21 23 November 2011).

29. Esam A. El-hefian and Abdul Hamid Yahaya. Preparation and characterization of kcarrageenan and cinnamon aqueous extract blended films. 7th Mathematics and Physical Sciences Graduate Congress (7th MPSGC), Singapore (12 to 14 December 2011).

30. Mohamed Mohamed Ahmed Elawad, Esam A. Elhefian, Saef Elnaser Abdel Magid, Abdel Salam Abdel Magid, Ayman Ahmed Alkider Ali Jacknoon and Abdul Hamid bin Yahaya. The Effect of Storage Conditions on Water Quality Packed in Plastic Containers. 1st International Conference of Chemical, Environment and Energy (ICCEE-2012), Kuala Lumpur, Malaysia (21-23 September 2012).

31. Esam A. Elhefian. Flow properties of roselle (Hibiscus sabdariffa L.) solutions. 3rd International Conference on Chemical, Biological and Environment Sciences (ICCEBS'2013), Kuala Lumpur, Malaysia (08-09 January 2013).

32. Esam A. Elhefian. Flow Behavior of Olive Oil Grown in West of Libya. 2nd International Conference on Agriculture and Environment Systems (ICAES'14, Kuala Lumpur, Malaysia (27-28 March 2014).

Referee/Reviewer Carbohydrate Polymers, Current Organic Chemistry, e- Polymers, University Bulletin (University of Zawia, Libya),…. etc. PAPERS IN PROGRESS

1- Rheological study of k-carrageenan and cinnamon aqueous extract blended solution using Response Surface Methodology.

2- Rheological studies of pure cinnamon aqueous extract.



REFERENCES

1. Prof. Dr. Mohamed Mahmoud Nasef, Chemical Engineering Department, Faculty of Chemical and Natural Resources Engineerng, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia. E.mail: mahmoudeithar@cheme.utm.my

2. Prof. Dr. Abdul Hamid Yahaya, Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia E.mail: hamya@um.edu.my


For more information on my research activities, publications and citation, please visit my researchgate profile at https://www.researchgate.net/profile/Esam_Elhefian


Prepared on: 20/10/2017

أيضا بـ كلية العلوم صبراتة :

  • مجلة جامعة صبراتة العلمية
    جامعة صبراتة تنضم إلى مشروع الجامعات الأورو المتوسطيه
    Sabratha University