Heikal, Ahmed M. : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (102)
Les plus populaires
Liste
- Liste
- Tableau

1

Effect of water stress and gibberellic acid on germination of flax, sesame and onion seeds

M. M. Heikal, M. A. Shaddad, A. M. Ahmed

Journal:

Biologia Plantarum

Année:

1982

Langue:

english

Fichier:

PDF, 395 KB

english, 1982

2

10.1038/17989

Perry, Joseph W., Cumpston, Brian H., Ananthavel, Sundaravel P., Barlow, Stephen, Dyer, Daniel L., Ehrlich, Jeffrey E., Erskine, Lael L., Heikal, Ahmed A., Kuebler, Stephen M., Lee, I.-Y. Sandy, McCor

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 739 KB

english, 1999

3

Multiphoton molecular spectroscopy and excited-state dynamics of enhanced green fluorescent protein (EGFP): acid–base specificity

Ahmed A Heikal, Samuel T Hess, Watt W Webb

Journal:

Chemical Physics

Année:

2001

Langue:

english

Fichier:

PDF, 390 KB

english, 2001

4

Biological and Chemical Applications of Fluorescence Correlation Spectroscopy: A Review †

Hess, Samuel T., Huang, Shaohui, Heikal, Ahmed A., Webb, Watt W.

Journal:

Année:

2002

Langue:

english

Fichier:

PDF, 141 KB

english, 2002

5

Novel Passive Polarization Rotator Based on Spiral Photonic Crystal Fiber

Hameed, Mohamed Farhat O., Heikal, Ahmed M., Obayya, Salah S. A.

Journal:

IEEE Photonics Technology Letters

Année:

2013

Langue:

english

Fichier:

PDF, 528 KB

english, 2013

6

Intracellular coenzymes as natural biomarkers for metabolic activities and mitochondrial anomalies

Heikal, Ahmed A

Journal:

Biomarkers in Medicine

Année:

2010

Langue:

english

Fichier:

PDF, 5.56 MB

english, 2010

7

Ultra compact soft glass liquid photonic crystal polarization splitter with As2S3core

Hagras, Esam A. A., Heikal, Ahmed M., Hamed, Mohamed F. O., El-Azab, Jala M., El-Nozahi, Adel M., Obayya, S. S. A.

Journal:

Optical and Quantum Electronics

Année:

2017

Langue:

english

Fichier:

PDF, 2.09 MB

english, 2017

8

Urine albumin and serum uric acid are important determinants of serum 25 hydroxyvitamin D level in pre-dialysis chronic kidney disease patients

Fayed, Ahmed, El Nokeety, Mahmoud M., Heikal, Ahmed A., Sadek, Khaled M., Hammad, Hany, Abdulazim, Dina O., Salem, Mona M., Sharaf El Din, Usama A.

Journal:

Année:

2019

Langue:

english

Fichier:

PDF, 1.02 MB

english, 2019

9

[IEEE 2019 36th National Radio Science Conference (NRSC) - Port Said, Egypt (2019.4.16-2019.4.18)] 2019 36th National Radio Science Conference (NRSC) - Special Sessions NRSC2019

Abdelwahab, Ashraf, Salem, Mohamed, Nafea, Sherif F., Dessouki, Ahmed A. S., Abd-Elfattah, Esmat, Rohiem, Alaa, El-Barwiny, Abd-Elrahman, Gergis, Nabil, Hafez, Alaa, Aboul-Dahab, Mohamed Aly, Heikal,

Année:

2019

Langue:

english

Fichier:

PDF, 293 KB

english, 2019

10

Field and Laboratory Studies on Nile Phytoplankton in Egypt. II. Phytoplankton

Prof. Dr. Ahmed M. Ahmed, Ahmed A. Mohammed, Medhat M. Heikal, Mohammed A. Zidan

Journal:

International Review of Hydrobiology

Année:

1986

Langue:

english

Fichier:

PDF, 671 KB

english, 1986

11

Real-time dynamics of vibrational predissociation in anthracene-Arn (n = 1, 2, 3)

Ahmed Heikal, Luis Bañares, David H. Semmes, Ahmed H. Zewail

Journal:

Chemical Physics

Année:

1991

Langue:

english

Fichier:

PDF, 1.35 MB

english, 1991

12

Picosecond dynamics of n-hexane solvated trans-stilbene

Christoph Lienau, Ahmed A. Heikal, Ahmed H. Zewail

Journal:

Chemical Physics

Année:

1993

Langue:

english

Fichier:

PDF, 1.87 MB

english, 1993

13

Two-photon autofluorescence dynamics imaging reveals sensitivity of intracellular NADH concentration and conformation to cell physiology at the single-cell level

Qianru Yu, Ahmed A. Heikal

Journal:

Journal of Photochemistry and Photobiology B: Biology

Année:

2009

Langue:

english

Fichier:

PDF, 781 KB

english, 2009

14

Changes in dry weight and mineral composition of some oil producing plants over a range of salinity stresses

M. M. Heikal, A. M. Ahmed, M. A. Shaddad

Journal:

Biologia Plantarum

Année:

1980

Langue:

english

Fichier:

PDF, 553 KB

english, 1980

15

Changes in some plant-water relation parameters of some oil producing plants over a range of salinity stresses

A. M. Ahmed, M. M. Heikal, M. A. Shaddad

Journal:

Biologia Plantarum

Année:

1979

Langue:

english

Fichier:

PDF, 446 KB

english, 1979

16

Silica Nanoparticle Architecture Determines Radiative Properties of Encapsulated Fluorophores

Larson, Daniel R., Ow, Hooisweng, Vishwasrao, Harshad D., Heikal, Ahmed A., Wiesner, Ulrich, Webb, Watt W.

Journal:

Chemistry of Materials

Année:

2008

Langue:

english

Fichier:

PDF, 644 KB

english, 2008

17

Preparation of β-dicalcium silicate (β-C2S) and calcium sulfoaluminate phases using non-traditional nano-materials

H. El-Didamony, Kh. A. Khalil, I. A .Ahmed, Mohamed Heikal

Journal:

Construction and Building Materials

Année:

2012

Langue:

english

Fichier:

PDF, 719 KB

english, 2012

18

A single-shot approach for measuring two-photon action cross-section of fluorescent markers

Shi, Kebin, Heikal, Ahmed A., Liu, Zhiwen

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 149 KB

english, 2006

19

Photoinduced Charge Transfer in Short-Distance Ferrocenylsubphthalocyanine Dyads

Solntsev, Pavlo V., Spurgin, Katelynn L., Sabin, Jared R., Heikal, Ahmed A., Nemykin, Victor N.

Journal:

Inorganic Chemistry

Année:

2012

Langue:

english

Fichier:

PDF, 4.12 MB

english, 2012

20

Two-Photon Fluorescence Spectroscopy and Microscopy of NAD(P)H and Flavoprotein

Huang, Shaohui, Heikal, Ahmed A., Webb, Watt W.

Journal:

Biophysical Journal

Année:

2002

Langue:

english

Fichier:

PDF, 1.20 MB

english, 2002

21

Quantitative Analysis of the Fluorescence Properties of Intrinsically Fluorescent Proteins in Living Cells

Hess, Samuel T., Sheets, Erin D., Wagenknecht-Wiesner, Alice, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2003

Langue:

english

Fichier:

PDF, 254 KB

english, 2003

22

Membrane Fluidity and Lipid Order in Ternary Giant Unilamellar Vesicles Using a New Bodipy-Cholesterol Derivative

Ariola, Florly S., Li, Zaiguo, Cornejo, Christine, Bittman, Robert, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2009

Langue:

english

Fichier:

PDF, 941 KB

english, 2009

23

Behavior of composite cement pastes containing microsilica and fly ash at elevated temperature

Mohamed Heikal, H. El-Didamony, T.M. Sokkary, I.A. Ahmed

Journal:

Construction and Building Materials

Année:

2013

Langue:

english

Fichier:

PDF, 1.61 MB

english, 2013

24

Membrane Order and Molecular Dynamics Associated with IgE Receptor Cross-Linking in Mast Cells

Davey, Angel M., Walvick, Ronn P., Liu, Yuexin, Heikal, Ahmed A., Sheets, Erin D.

Journal:

Biophysical Journal

Année:

2007

Langue:

english

Fichier:

PDF, 524 KB

english, 2007

25

Structure−Property Relationships for Two-Photon Absorbing Chromophores: Bis-Donor Diphenylpolyene and Bis(styryl)benzene Derivatives

Rumi, Mariacristina, Ehrlich, Jeffrey E., Heikal, Ahmed A., Perry, Joseph W., Barlow, Stephen, Hu, Zhongying, McCord-Maughon, Dianne, Parker, Timothy C., Röckel, Harald, Thayumanavan, Sankaran, Marder

Journal:

Journal of the American Chemical Society

Année:

2000

Langue:

english

Fichier:

PDF, 139 KB

english, 2000

26

Macromolecular Crowding Effects on the Multiscale Diffusion of Single Molecules

Sheets, Erin D., Welty, Robb, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2014

Langue:

english

Fichier:

PDF, 93 KB

english, 2014

27

Application of contact stabilization activated sludge for enhancing biological phosphorus removal (EBPR) in domestic wastewater

Rashed, Ehab M., El-Shafei, Maha M., Heikal, Mohamed A., Noureldin, Ahmed M.

Journal:

Année:

2014

Langue:

english

Fichier:

PDF, 1.96 MB

english, 2014

28

Molecular Crowding Effects On Multiscale Diffusion As A Function Of The Hydrodynamic Volume Of Both The Solute And Solvent Molecules

Porter, Joseph J., Reed, Ruth, Fisher, Tom, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2009

Langue:

english

Fichier:

PDF, 35 KB

english, 2009

29

Examining The Role Of Lipid Variations And Proteins On Membrane Biophysics: Synthetic Versus Natural Membrane Vesicles

Ariola, Florly S., Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2009

Langue:

english

Fichier:

PDF, 52 KB

english, 2009

30

Partitioning and Single-Molecule Diffusion Dynamics of Bodipy-FTY720 in Biomembranes

Wickramasinghe, Dhanushka, Robert Bittman, Robert, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2011

Langue:

english

Fichier:

PDF, 36 KB

english, 2011

31

Two-Photon Fluorescence Lifetime Imaging of Natural Coenzymes in Living Cells as a Function of Oxidative Stress

Alfveby, John, Timerman, Randi, Bartusek, Jillian, Wickramasinghe, Dhanushka, Israelson, Holly, Heikal, Ahmed

Journal:

Biophysical Journal

Année:

2014

Langue:

english

Fichier:

PDF, 42 KB

english, 2014

32

Multiscale Diffusion of Single Molecules in Biomimetic Crowding

Welty, Robb, Bentley, Jacob, Wickramasinghe, Dhanushka, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2013

Langue:

english

Fichier:

PDF, 38 KB

english, 2013

33

Effect of Na-Ca Combinations on Photosynthesis and some Related Processes of Chlorella Vulgaris

Ahmed, A.M., Radi, A.F., Heikal, M.D., Abdel-Basset, R.

Journal:

Journal of Plant Physiology

Année:

1989

Langue:

english

Fichier:

PDF, 410 KB

english, 1989

34

Noninvasive Approach For Quantitative Analysis Of Energy Metabolism And Mitochondrial Anomalies In Living Cells

Yu, Qianru, Heikal, Ahmed A.

Journal:

Biophysical Journal

Année:

2009

Langue:

english

Fichier:

PDF, 78 KB

english, 2009

35

Experimental and Simulation Analysis of NADH-Enzymes Binding in a Crowded Environment

Fransen, Travis, Soto Velasquez, Monica, Welty, Robb, Wickramasinghe, Dhanushka, Heikal, Ahmed

Journal:

Biophysical Journal

Année:

2013

Langue:

english

Fichier:

PDF, 38 KB

english, 2013

36

What Kind of Microviscosity Does a Molecule Experience During its Rotational and Translational Diffusion in Crowded Environments?

Thao, Chang, Timerman, Randi, Welty, Robb, Wickramasinghe, Dhanushka, Heikal, Ahmed

Journal:

Biophysical Journal

Année:

2014

Langue:

english

Fichier:

PDF, 94 KB

english, 2014

37

Time-resolved fluorescence anisotropy and fluctuation correlation analysis of major histocompatibility complex class I proteins in fibroblast cells

Heikal, Ahmed A.

Journal:

Année:

2014

Langue:

english

Fichier:

PDF, 1.67 MB

english, 2014

38

Structural Basis of Fluorescence Fluctuation Dynamics of Green Fluorescent Proteins in Acidic Environments

Liu, Yuexin, Kim, Hye-Ryong, Heikal, Ahmed A.

Journal:

Journal of Physical Chemistry B

Année:

2006

Langue:

english

Fichier:

PDF, 233 KB

english, 2006

39

EFFECTS OF SALINIZATION TREATMENTS ON GROWTH AND SOME RELATED PHYSIOLOGICAL ACTIVITIES OF SOME LEGUMINOUS PLANTS

AHMED, A. M., HEIKAL, M. M., ZIDAN, M. A.

Journal:

Canadian Journal of Plant Science

Année:

1980

Langue:

english

Fichier:

PDF, 432 KB

english, 1980

40

Fluorescence Photoconversion Kinetics in Novel Green Fluorescent Protein pH Sensors (pHluorins)

Hess, Samuel T., Heikal, Ahmed A., Webb, Watt W.

Journal:

Journal of Physical Chemistry B

Année:

2004

Langue:

english

Fichier:

PDF, 302 KB

english, 2004

41

Structures and Energetics of Unimolecular Thermal Degradation of Isopropyl Butanoate as a Model Biofuel: Density Functional Theory and Ab Initio Studies

El-Nahas, Ahmed M., Heikal, Lobna A., Mangood, Ahmed H., El-Shereefy, El-Sayed E.

Journal:

Journal of Physical Chemistry A

Année:

2010

Langue:

english

Fichier:

PDF, 2.17 MB

english, 2010

42

Dynamics imaging of lipid phases and lipid-marker interactions in model biomembranes

Ariola, Florly S., Mudaliar, Deepti J., Walvick, Ronn P., Heikal, Ahmed A.

Journal:

Physical Chemistry Chemical Physics

Année:

2006

Langue:

english

Fichier:

PDF, 2.17 MB

english, 2006

43

[IEEE 2007 Quantum Electronics and Laser Science Conference - Baltimore, MD, USA (2007.05.6-2007.05.11)] 2007 Quantum Electronics and Laser Science Conference - Single-shot two-photon action cross section measurement

Kebin Shi,, Heikal, Ahmed A., Zhiwen Liu,

Année:

2007

Langue:

english

Fichier:

PDF, 286 KB

english, 2007

44

[IEEE CLEO 2007 - Baltimore, MD, USA (2007.5.6-2007.5.11)] 2007 Conference on Lasers and Electro-Optics (CLEO) - Single-shot two-photon action cross section measurement

Shi, Kebin, Heikal, Ahmed A., Liu, Zhiwen

Année:

2007

Langue:

english

Fichier:

PDF, 324 KB

english, 2007

45

[Advances in Planar Lipid Bilayers and Liposomes] Volume 13 || A Multiparametric Fluorescence Approach for Biomembrane Studies

Heikal, Ahmed A.

Année:

2011

Langue:

english

Fichier:

PDF, 2.27 MB

english, 2011

46

Efficient Polarization Filter Design Based on Plasmonic Photonic Crystal Fiber

Heikal, Ahmed M., Hussain, Firas Faeq K., Hameed, Mohamed Farhat O., Obayya, Salah S. A.

Journal:

Journal of Lightwave Technology

Année:

2015

Langue:

english

Fichier:

PDF, 991 KB

english, 2015

47

Energy Transfer from Colloidal Quantum Dots to Near-Infrared-Absorbing Tetraazaporphyrins for Enhanced Light Harvesting

Xu, Zhihua, Gao, Feng, Makarova, Elena A., Heikal, Ahmed A., Nemykin, Victor N.

Journal:

The Journal of Physical Chemistry C

Année:

2015

Langue:

english

Fichier:

PDF, 1.97 MB

english, 2015

48

Integrated biophotonics approach for noninvasive and multiscale studies of biomolecular and cellular biophysics

Yu, Qianru, Proia, Michael, Heikal, Ahmed A.

Journal:

Journal of Biomedical Optics

Année:

2008

Langue:

english

Fichier:

PDF, 1.77 MB

english, 2008

49

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 14 April 2014)] Optical Sensing and Detection III - Compact microring resonator sensor based on three-trenched channel plasmonic waveguide

Berghmans, Francis, Mignani, Anna G., De Moor, Piet, Heikal, Ahmed M., Hameed, Mohamed Farhat O., Obayya, S. S. A.

Année:

2014

Langue:

english

Fichier:

PDF, 370 KB

english, 2014

50

SPIE Proceedings [SPIE SPIE Optical Engineering + Applications - San Diego, California, United States (Sunday 17 August 2014)] Ultrafast Nonlinear Imaging and Spectroscopy II - Time- and polarization-resolved cellular autofluorescence towards quantitative biochemistry on living cells

Liu, Zhiwen, Alfveby, John, TImerman, Randi, Soto Velasquez, Monica P., Wickramasinghe, Dhanushka W. P. M., Bartusek, Jillian, Heikal, Ahmed A.

Année:

2014

Langue:

english

Fichier:

PDF, 1.25 MB

english, 2014