Improved LIBS limit of detection of Be, Mg, Si, Mn, Fe and Cu in aluminum alloy samples using a portable Echelle spectrometer with ICCD camera WTY Mohamed Optics & Laser Technology 40 (1), 30-38, 2008 | 218 | 2008 |
LIBS limit of detection and plasma parameters of some elements in two different metallic matrices MA Ismail, H Imam, A Elhassan, WT Youniss, MA Harith Journal of analytical atomic spectrometry 19 (4), 489-494, 2004 | 174 | 2004 |
Chitosan/graphene oxide composite as an effective removal of Ni, Cu, As, Cd and Pb from wastewater AA Menazea, HA Ezzat, W Omara, OH Basyouni, SA Ibrahim, ... Computational and Theoretical Chemistry 1189, 112980, 2020 | 106 | 2020 |
Comparative study of two new commercial echelle spectrometers equipped with intensified CCD for analysis of laser-induced breakdown spectroscopy M Sabsabi, V Detalle, MA Harith, W Tawfik, H Imam Applied Optics 42 (30), 6094-6098, 2003 | 82 | 2003 |
Investigation on the effects of laser parameters on the plasma profile of copper using picosecond laser induced plasma spectroscopy M Fikry, W Tawfik, MM Omar Optical and Quantum Electronics 52 (5), 249, 2020 | 59 | 2020 |
DFT: B3LYP/LANL2DZ study for the removal of Fe, Ni, Cu, As, Cd and Pb with Chitosan H Ezzat, AA Menazea, W Omara, OH Basyouni, SA Helmy, AA Mohamed, ... Biointerface Res. Appl. Chem 10 (6), 7002-7010, 2020 | 56 | 2020 |
Calibration free laser-induced breakdown spectroscopy (LIBS) identification of seawater salinity WTY Mohamed Opt. Appl 37 (1-2), 5-19, 2007 | 42 | 2007 |
The reproducibility of the novel utilization of five-dimensional ultrasound and power Doppler in the prediction of endometrial receptivity in intracytoplasmic sperm-injected … M Elsokkary, AB Eldin, M Abdelhafez, A Rateb, M Samy, A Eldorf, ... Archives of gynecology and obstetrics 299, 551-558, 2019 | 35 | 2019 |
Determination of heavy metal content and pollution indices in the agricultural soils using laser ablation inductively coupled plasma mass spectrometry ME Shaheen, W Tawfik, AF Mankoula, JE Gagnon, BJ Fryer, F El-Mekawy Environmental Science and Pollution Research 28, 36039-36052, 2021 | 32 | 2021 |
Detection of toxicity in some oral antidiabetic drugs using LIBS and LA-TOF-MS N Ahmed, U Liaqat, M Rafique, MA Baig, W Tawfik Microchemical Journal 155, 104679, 2020 | 32 | 2020 |
Study of the matrix effect on the plasma characterization of six elements in aluminum alloys using LIBS with a portable Echelle spectrometer WTY Mohamed Progress in physics 2, 42-49, 2007 | 30 | 2007 |
Qualitative analysis and plasma characteristics of soil from a desert area using LIBS technique WA Farooq, W Tawfik, FN Al-Mutairi, ZA Alahmed Journal of the Optical Society of Korea 17 (6), 548-558, 2013 | 29 | 2013 |
Study of the matrix effect on the plasma characterization of heavy elements in soil sediments using LIBS with a portable Echelle spectrometer W Tawfik, Y Mohamed, A Askar Progress in Physics 1, 46-52, 2007 | 27 | 2007 |
Fast LIBS identification of aluminum alloys WTY Mohamed Progress in Physics 2, 87-92, 2007 | 26 | 2007 |
Assessment of contamination levels of heavy metals in the agricultural soils using ICP-OES ME Shaheen, W Tawfik, AF Mankola, JE Gagnon, BJ Fryer, ... Soil and Sediment Contamination: An International Journal 32 (6), 665-691, 2023 | 24 | 2023 |
Measurement of the electron temperature in a metallic copper using ultrafast laser-induced breakdown spectroscopy M Fikry, W Tawfik, M Omar Journal of Russian Laser Research 41 (5), 484-490, 2020 | 22 | 2020 |
Fast determination of phosphorus concentration in phosphogypsum waste using calibration-free LIBS in air and helium K Elsayed, W Tawfik, AEM Khater, TS Kayed, M Fikry Optical and Quantum Electronics 54, 1-14, 2022 | 21 | 2022 |
Exploring the ultrafast dynamics of a diarylethene derivative using sub-10 fs laser pulses A Jarota, E Pastorczak, W Tawfik, B Xue, R Kania, H Abramczyk, ... Physical Chemistry Chemical Physics 21 (1), 192-204, 2019 | 21 | 2019 |
Trace analysis of heavy metals in groundwater samples using laser induced breakdown spectroscopy (LIBS) W Tawfik, LG Bousiakou, R Qindeel, WA Farooq, NH Alonizan, AJ Fatani Optoelectron. Adv. Mater. Rapid Commun 9, 185-192, 2015 | 21 | 2015 |
Role of purging gases in the analysis of polycarbonate with laser-induced breakdown spectroscopy WA Farooq, W Tawfik, ZA Alahmed, K Ahmad, JP Singh Journal of Russian Laser Research 35, 252-262, 2014 | 21 | 2014 |