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Dr. Waleed Ahmed El Sayed Ahmed

Lecturer, Department of Chemistry , Faculty of Science, ِِAssiut University

C.V Details




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Office Tel.

:

082405

E-Mail

:

waleed@aun.edu.eg

google scholar link

:

http://scholar.google.com.eg/citations?user=uBW0tKEAAAAJ&hl=en
Educational Qualifications:
  • Ph. D. In Integrated Biotechnology ( Nanobiotechnology ) , Sogang University, Sogang University, 2011
  • M. Sc. In Chemistry ( Organic Chemistry ) , Faculty of Science, Assiut University, 2006
  • B. Sc. In Chemistry ( Chemistry ) , Faculty of Science, Assiut University, 1998


 

 
  • Lecturer, Department of Chemistry , Faculty of Science, ِِAssiut University, 2011
  • Assistant Lecturer, Department of Chemistry , Faculty of Science, Assiut University, 2006
  • Demonstrator, Department of Chemistry , Faculty of Science, Assiut University, 1999

Research fields:
Bacteriology , Nanobiotechnology

Publications:

1 - Waleed A. El-Said, Kawthar Abd El-Hameed, Nagwa Abo El-Maali, Hayam G. Sayyed, Label‐free Electrochemical Sensor for Ex‐vivo Monitoring of Alzheimer's Disease Biomarker, Electroanalysis, Vol.29, PP.748-755, March, 2017
2 - M A Osman, Waleed A El-Said, A A Othman and A G Abd-Elrahim, Influence of thermally induced structural and morphological changes, and UV irradiation on photoluminescence and optical absorption behavior of CdS nanoparticles, J. Phys. D: Appl. Phys. , IOP, 49-16, 165302, http://iopscience.iop.org/article/10.1088/0022-3727/49/16/165302/meta, March, 2016
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3 - Waleed A. El-Saida, Dina M. Fouada, Sherif A. El-Safty, Ultrasensitive label-free detection of cardiac biomarker myoglobinbased on surface-enhanced Raman spectroscopy, Sensors and Actuators B: Chemical, 228, 401-409, January, 2016
4 - Ahmed H. Osman, Waleed A. El-Said and M. Abd El-Shakour, Synthesis and characterization of some new ruthenium (II) complexes as photosensitizers in dye-sensitized solar cells, Journal of Advances in Chemistry, Volume 12 Number 5, 4413-4426, https://cirworld.com/index.php/jac/index, April, 2016
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5 - Waleed Ahmed El-Said, Tae-Hyung Kim, Yong-Ho Chung, Jeong-Woo Choi, Fabrication of new single cell chip to monitor intracellular and extracellular redox state based on spectroelectrochemical method, Biomaterials, Elsevier, 40, 80–87, http://www.sciencedirect.com/science/article/pii/S0142961214011831, February, 2015
6 - D. M. Fouad, W.A.Said, M.B.Mohamed, Spectroscopic characterization of magnetic Fe3O4@Au core shell nanoparticles , Spectrochimica Acta Part A, 140, 5, 2015
7 - M A Osman A A Othman Waleed A. El-Said A G Abd-Elrahim A A Abu-sehly, Thermal annealing and UV irradiation effects on structure, morphology, photoluminescence and optical absorption spectra of EDTA-capped ZnS nanoparticles, Journal of Physics D: Applied Physics , IOPscience, Volume 49, Number 5, 15, http://iopscience.iop.org/article/10.1088/0022-3727/49/5/055304/meta;jsessionid=4EEB584C8D74AFF608209266B6EB76AF.c3.iopscience.cld.iop.org, December, 2015
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8 - Waleed Ahmed El-Said, Tae-Hyung Kim, Ki-Bum Lee, and Jeong-Woo Choi, Nanopatterned Surfaces for Stem-Cell Engineering , Stem Cells NanoEngineering, Wiley-Blackwell , ISBN: 978-1-118-54061-9, pp. 99-122, 2015
9 - Waleed Ahmed El-Said, Jeong-Woo Choi, Electrochemical Biosensor consisted of conducting polymer layer on gold nanodots patterned Indium Tin Oxide electrode for rapid and simultaneous determination of purine bases, Electrochimica Acta, January, 2014
10 - Alaa M. Abd-Elnaiem, A.M. Mebed, Waleed Ahmed El-Saidd, M.A. Abdel-Rahim, Porous and mesh alumina formed by anodization of high purity aluminum films at low anodizing voltage, Thin Solid Films , Elsevier, 570, 49–56, http://www.sciencedirect.com/science/article/pii/S0040609014008669, November, 2014
11 - M. A. Osman A. A. Othman Waleed A. El-Said A. A. Abu-sehly A. G. Abed-Elrahim , STRUCTURAL, MORPHOLOGICAL AND OPTICAL CHARACTERIZATIONS OF ANNEALED EDTA CAPPED ZNS NANOCRYSTALS PREPARED BY CHEMICAL PRECIPITATION METHOD, Nanocon 2014 conference proceeding , http://www.nanocon.eu/files/proceedings/20/reports/3411.pdf, December, 2014
12 - Waleed A. El-Said, Hyeon-Yeol Cho, Cheol-Heon Yea, Jeong-Woo Choi, Synthesis of Metal Nanoparticles Inside Living Human Cells Based on the Intracellular Formation Process, Journal of Polymer Science: Polymer Physics, DOI: 10.1002/adma.201303699, PP. 1-9, December, 2013
13 - Waleed Ahmed El-Said, Tae-Hyung Kim, Cheol-Heon Yea, Hyuncheol Kim and Jeong-Woo Choi, Fabrication of Gold Nanoparticle Modified ITO Substrate to Detect β-Amyloid Using Surface-Enhanced Raman Scattering, Nanosci. Nanotechnol, PP. 768-772, 2011
14 - Jeung-Hee An, Waleed Ahmed El-Said and Jeong-Woo Choi , Surface Enhanced Raman Scattering of Neurotransmitter Release in Neuronal Cells Using Antibody Conjugated Gold Nanoparticles, Nanosci. Nanotechnol, Vol. 11, PP. 1585-1588, 2011
15 - Jeung-Hee An, Waleed Ahmed El-Said, Cheol-Heon Yea, Tae-Hyung Kim and Jeong-Woo Choi , Surface-Enhanced Raman Scattering of Dopamine on Self-assembled Gold Nanoparticles, Nanosci. Nanotechnol, Vol. 11, PP. 4424-4429, 2011
16 - Rama Bhusal, Cheol-Heon Yea, Waleed Ahmed El-Said, Hyuncheol Kim and Jeong-Woo Choi , Detection of the Effect of Environmental Toxicants on the Synthetic Peptide Modified Neural Cell Chip, Nanosci. Nanotechnol, Vol .11, PP. 4605-4610, 2011
17 - Mi Jung, Waleed Ahmed El-Said and Jeong-Woo Choi, Fabrication of Nanoconcave Surface for Cell immobilization in Cell–based Chip, Nanosci. Nanotechnol, Vol.11, PP.4205-4209, 2011
18 - Mi Jung, Waleed Ahmed El-Said and Jeong-Woo Choi , Fabrication of gold nanodot arrays on a transparent substrate as a nanobioplatform for label-free visualization of living cells, Nanotechnology, 2011
19 - Junhong Min, Cheol-Heon Yea, Waleed Ahmed El-Said, Jeong-Woo Choi, The Application of Cell Based Biosensor and Biochip for Environmental Monitoring. Atmospheric and Biological Environmental Monitoring. Young J. Kim. Ulrich Platt. Man Bock Gu, Hitoshi lwahashi (Eds), PP.261-274, 2011
20 - Waleed Ahmed El-Said, Tae-Hyung Kim, Hyuncheol Kim and Jeong-Woo Choi , Three-dimensional mesoporous gold film to enhance the sensitivity of electrochemical detection, Nanotechnology , Vol. 21, No. 45, 2010
21 - Waleed Ahmed El-Said, Tae-Hyung Kim, Hyuncheol Kim, b and Jeong-Woo Choia, Detection of effect of chemotherapeutic agents to cancer cells on gold nanoflower patterned substrate using surface-enhanced Raman scattering and cyclic voltammetry, Biosensors and Bioelectronics, Vol. 26, Issue. 4,, PP.1486-1492, December, 2010
22 - Waleed Ahmed El-Said, Jin-Ho Lee, Byung-Keun Oh and Jeong-Woo Choi, 3-D nanoporous gold thin film for the simultaneous electrochemical determination of dopamine and ascorbic acid , Electrochemistry Communications , Vol. 12, Issue. 12,, PP.1756-1759 , December, 2010
23 - Waleed Ahmed El-Said, Cheol-Heon Yea, Mi Jung, Hyuncheol Kim and Jeong-Woo Choi, Analysis of effect of nanoporous alumina substrate coated with polypyrrole nanowire on cell morphology based on AFM topography , Ultramicroscopy , Vol. 110, Issue. 6,, PP.676-681, May, 2010
24 - Waleed Ahmed El-Said, Tae-Hyung Kim, Hyuncheol Kim, Jeong-Woo Choi, Analysis of Intracellular State Based on Controlled 3D Nanostructures Mediated Surface Enhanced Raman Scattering , plosone Open Access Freely available online, 2010
25 - Taek Lee, Waleed Ahmed El-Said, Junhong Min, Byung-Keun Oh, Jeong-Woo Choi,, Verification of surfactant CHAPS effect using AFM for making biomemory device consisting of recombinant azurin monolayer, Ultramicroscopy, Vol. 110, No.6, PP. 712-717, 2010
26 - Waleed Ahmed El-Said, Cheol-Heon Yea, Hyunhee Kim, Byung-Keun Oh and Jeong-Woo Choi, Cell-based chip for the detection of anticancer effect on HeLa cells using cyclic voltammetry, Biosensors and Bioelectronics, Vol. 24, Issue. 5, , PP.1259-1265, January, 2009
27 - Waleed Ahmed El-Said, Cheol-Heon Yea, Hyunhee Kim, Jeong-Woo Choi., Fabrication of self-assembled RGD layer for cell chip to detect anticancer drug effect on HepG2 cells., Current Applied Physics, 2009
28 - Waleed Ahmed El-Said, Cheol-Heon Yea, Il-Keun Kwon & Jeong-Woo Choi., Fabrication of Electrical Cell Chip for the Detection of Anticancer Drugs and Environmental Toxicants Effect., Biochip Journal, Vol.3, No.2, PP.105-112, 2009
29 - Waleed Ahmed El-Said, Cheol-Heon Yea, Jeong-Woo Choi, Il-Keun Kwon., Ultrathin polyaniline film coated on an indium–tin oxide cell-based chip for study of anticancer effect., Thin Solid Films, Vol.518, No.2, PP.661-667, 2009
30 - Cheol-Heon Yea, Bumhwan Lee, Hyunhee Kim, Sang-Uk Kim, Waleed Ahmed El-Said, Junhong Minc, Byung-Keun Oh and Jeong-Woo Choi., The immobilization of animal cells using the cysteine-modified RGD oligopeptide, Ultramicroscopy, Vol.108, PP.1144– 1147, 2008

Supervisions :

1- ِAhmed Galal Abd-Elrahim Rashwan, Influence of Thermally induced Structural and Morphological Changes, and UV Irradiation on Photoluminescence and Optical Absorption Behavior of ZnxCd1-xS Nanocompounds, M. Sc, 28 February 2016

Awards and Grants :

1 - " The State Encouragement Prize " , 2016.
Number of courses0 course