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Now showing items 31-40 of 106
Investigation of optical, electronic, and magnetic properties of p-type NiO thin film on different substrates
(2021)
In this study, high-quality p-type NiO semiconductor thin film was investigated using the thermal evaporation method after thermal oxidation of as-deposited 50 nm Ni film at 450◦C for 2.5 h. NiO thin film simultaneously ...
Response surface methodology based on central composite design for optimizing temperature-controlled ionic liquid-based microextraction for the determination of histamine residual in canned fish products
(Elsevier, 2021)
A rapid and simple analytical procedure for the determination of histamine in canned fish products using temperature-controlled ionic liquid-based microextraction (TC-IL-ME) mated to chemometric tool and coupled to ...
Nanocomposite smart hydrogel based on sepiolite nanochannels/N-isopropyl acrylamide/itaconic acid/acrylamide for invertase immobilization
(TAYLOR & FRANCIS INC530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, JAN 2 2021)
Novel nanocomposite smart hydrogel (NSH) and smart hydrogel (SH) are prepared to be used as a support for invertase. Spectrophotometric and thermal analysis methods were used for the characterization. Lower critical solution ...
ZnO/Al2O3 layered structures deposited by RF magnetron sputtering on glass: growth characteristics, optical properties, and microstructural analysis
(2021)
In this study, Al2O3 thin films of different thicknesses (50 nm, 100 nm, 150 nm, 200 nm, and 250 nm) were, first, grown using RF
magnetron sputtering technique on glass substrate at 30 °C temperature, with 120Wpower value. ...
A new analytical approach for preconcentration, separation and determination of Pb(II) and Cd(II) in real samples using a new adsorbent: Synthesis, characterization and application
(Elsevier, 2021)
A green and efficient analytical approach was reported for simultaneous preconcentration, and separation of Pb(II) and Cd(II) in water, vegetables, and barbecue samples by dispersive solid-phase microextraction prior to ...
Ionic hydrophobic deep eutectic solvents in developing air-assisted liquid-phase microextraction based on experimental design: Application to flame atomic absorption spectrometry determination of cobalt in liquid and solid samples
(Elsevier, 2021)
This paper reports a new and simple microextraction procedure for cobalt determination using green ionic hydrophobic deep eutectic solvent in developing air-assisted liquid-phase microextraction and flame atomic absorption ...
An optimization approach for fast, simple and accurate determination of indigo-carmine in food samples
(Elsevier, 2021)
This study report optimization of vortex-assisted natural deep eutectic solvent based liquid-phase microextraction (VA-NADES-LPME) for determination of indigo-carmine in some food samples by UV–Visible spectrophotometer. ...
Photoionization cross section of a D-2(+) complex in quantum dots: the role of donor atoms configuration
(2022/8/1)
This study reports a theoretical investigation on the electronic spectrum and the photoionization cross section of a singly ionized double donor complex D_2^+ confined in a two-dimensional quantum dot with Gaussian confinement ...
Energy spectrum and interlevel transitions within the conduction band of a D_2^+ complex confined in a spherical quantum dot
(2022/12)
In this work, we have performed a theoretically study on the energy spectrum, binding energy and interlevel transitions within the conduction band of a D+2 complex confined in a spherical quantum dot with finite confinement ...
Effects of Intense Laser Field on Electronic and Optical Properties of Harmonic and Variable Degree Anharmonic Oscillators
(2022)
In this paper, we calculated the electronic and optical properties of the harmonic oscillator
and single and double anharmonic oscillators, including higher-order anharmonic terms such as
the quartic and sextic under the ...