Fabrication of SnO2/NGO hybrid nanocomposite as an effective photocatalyst for binary dye degradation under sunlight illumination

JV Kumar, D Karthika, P Rosaiah, S Devanesan… - Process Safety and …, 2024‏ - Elsevier
We successfully synthesized nitrogen-doped graphene oxide grafting tin oxide
nanoparticles (SnO 2/NGO nanocomposite). To evaluate the surface, optical and …

Structural, optical properties, and laser spectroscopy of erbium-doped low-melting borate glasses

D Atta, AM Abdelghany, WM Awad - Ceramics International, 2024‏ - Elsevier
Glasses that contain Erbium oxide as a dopant exhibit garnered considerable interest for its
use in photonic applications, primarily because of the intra-4f sublevel transitions of Erbium …

Reactive oxygen species creation by laser-irradiated indocyanine green as photodynamic therapy modality: an in vitro study

D Atta, A Elarif, M Al Bahrawy - Lasers in Medical Science, 2023‏ - Springer
Applications of lasers in phototherapy have been the trend for the last few decades. The
photodynamic therapy process normally depends on photosensitizers and laser beams …

[HTML][HTML] Graphene oxide: Synthesis and laser spectroscopy approach

D Atta, A Refaat, A Ashery, M Ibrahim - Optical Materials: X, 2024‏ - Elsevier
Nanotechnology research offers advancements in materials and industrial uses such as
nano-electronics, medical sciences, fuel, biology, and technological innovation. The most …

Effects of photobiomodulation by low-power lasers and LEDs on the viability, migration, and invasion of breast cancer cells

TG da Silva, JA Rodrigues, PB Siqueira… - Lasers in Medical …, 2023‏ - Springer
Among the malignant tumors, breast cancer is the most commonly diagnosed worldwide,
being the most prevalent in women. Photobiomodulation has been used for wound healing …

Effect of micro-viscosity on the rotational diffusion: pulsed laser-based time-resolved single-molecule study

D Atta, N Gweily - Optical and Quantum Electronics, 2024‏ - Springer
The effect of the changes in buffer concentrations or any additives like surfactants in the
protein samples during the analysis on the single-biomolecule diffusion is one of the hidden …

[HTML][HTML] Case study of fluorite mineralization using traditional and laser spectroscopic techniques, Homret Akarem area south eastern desert, Egypt

D Atta, TA Abdel-Halim, DA Mostafa, FM Zaher - Optical Materials: X, 2024‏ - Elsevier
Green fluorite samples from Homret Akarem, eastern desert Egypt, were investigated by
laser-based Raman spectroscopy to study the effect of rare earth elements (REEs) and …

Photocatalytic degradation of methylene blue dye by ZnO nanoparticle thin films, using Sol–gel technique and UV laser irradiation

D Atta, HA Wahab, MA Ibrahim, IK Battisha - Scientific Reports, 2024‏ - nature.com
The focus of the current work is the study of the effect of the photo-catalytic activity of ZnO
nanoparticles. The photocatalytic destruction of methylene blue dye, a common water …

Raman and photoluminescence perspective for Er3+ ions embedded in BaTiSnO3

O El-Sayed, D Atta, IK Battisha - Ceramics International, 2025‏ - Elsevier
Raman spectroscopy and the Photoluminescence (PL) properties of Er 3+ ions implanted in
nano tetragonal structure BaTiSnO 3 powders at (0.5, 1, 1.5 and 2 mol.%) assigned as …

Combined use of Raman spectroscopy, cluster analysis, and SEM-EDS for the characterization of Roman bronze artifacts from Spoletino's cistern (Civitella D'Agliano …

M Bernabale, M Spanu, E Borgia, L Buccini… - … Acta Part A: Molecular …, 2025‏ - Elsevier
This study focuses on chemical and microstructural results on four bronze artifacts, dating
back to the 3rd–4th centuries AD. These artifacts were unearthed in the archaeological site …