Fakülteler: Recent submissions
Now showing items 1641-1660 of 2389
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Determination of VP2 sequence based virulence motifs and phylogenetic analysis of domestic Turkish IPNV ısolates
(Wiley, February 2)Infectious pancreatic necrosis (IPN) is a highly contagious disease of young salmonid fish and is one of the most severe economic diseases in aquaculture. In Turkey, an increase in infectious pancreatic necrosis virus ... -
Genetic diversity, frequency and concurrent infections of picobirnaviruses in diarrhoeic calves in Turkey
(Springer Netherlands, Nisan 2022)Calf diarrhoea is one of the major problems in cattle farming with high morbidity and mortality in herds. Two enteric viruses, bovine rotavirus (BRV) and bovine coronavirus (BCoV), are the leading cause of gastroenteritis ... -
Investigation of linear and nonlinear optical absorption coefficients and refractive index changes of a zigzag quantum well with structure parameters and applied external fields
(2022)In this study, we have investigated some linear and nonlinear optical properties of GaAs/GaAlAs zigzag quantum well structures under different electric and magnetic field intensities. We also examined the effect of ... -
The nonlinear optical rectification, second and third harmonic generation coefficients of Konwent potential quantum wells
(2022)We have theoretically investigated the effect of structure parameters and applied external fields on the Ga1−xAlxAs/GaAs Konwent quantum well structure. Results of theoretical simulation have clarified the impact of applied ... -
The nonlinear optical properties of GaAs/GaAlAs triple quantum well: Role of the electromagnetic fields and structural parameters
(2022)Being relevant to the field of device applications, multiple semiconductor quantum wells are systems that exhibit remarkable optical and electronic properties. These can be properly tuned by suitably modifying the ... -
In plane magnetic field and intense laser field effects on second harmonic generation of asymmetric AlGaAs/GaAs double quantum well
(2022)The optical properties for nano-structured semiconductor systems are of great importance nowadays, due to its possible implementation for the design of efficient optoelectronic devices. It is also well known that external ... -
Effect of Razavy potential well parameters on the optical rectification, second, and third harmonic generation coefficients of Razavy quantum well in the presence of electric, magnetic, and THz laser fields
(2022)The paper presents the nonlinear optical rectification, second and third harmonic generation properties of a quantum well-formed within AlGaAs/GaAs heterostructures under the Razavy potential function. The effects of ... -
Effects of hydrostatic pressure and temperature on the nonlinear optical properties of GaAs/ GaAlAs zigzag quantum well
(2022)We have examined theoretically how the temperature and the hydrostatic pressure affect the total optical absorption coefficients, the total refractive index changes, and the second harmonic generation coefficients for ... -
Effects of Applied Magnetic Field on the Optical Properties and Binding Energies Spherical GaAs Quantum Dot with Donor Impurity
(2022)The screened modified Kratzer potential (SMKP) model is utilized to scrutinize the impacts of an applied magnetic field (MF) on the binding energies and linear and nonlinear optical properties spherical GaAs quantum dot ... -
Photoionization cross section of donor single dopant in multilayer quantum dots under pressure and temperature effects
(2022)The shallow donor single dopant confined in the multilayer cylindrical quantum dots is investigated numerically within the framework of effective-mass approximation. The Schr¨odinger equation that governs the wave ... -
Interband transitions and exciton binding energy in a Razavy quantum well: effects of external fields and Razavy potential parameters
(2022)In this paper, we theoretically investigated the influence of externally applied fields such as high-frequency non-resonant intense laser fields, static electric and magnetic fields, as well as structure parameters, on ... -
Effects of external fields on the nonlinear optical properties of an n-type quadruple δ-doped GaAs quantum wells
(2022)Linear, third-order, total optical absorption and relative refractive index change coefficients are investigated for an ntype δ-doped GaAs/AlxGa1−xAs quadruple quantum well with electric, magnetic as well as laser fields ... -
Intense terahertz laser field induced electro-magneto-donor impurity associated photoionization cross-section in Gaussian quantum wires
(2022)Using expressions derived within the compact density matrix approach, the peaks of optical absorption and the changes of refractive index of a hydrogenic impurity in a GaAs/GaAlAs Gaussian quantum well wire are calculated ... -
The effects of temperature and pressure on the optical properties of a donor impurity in ðIn; GaÞN=GaN multilayer cylindrical quantum dots
(2022)This paper examines the variation of the linear, third-order nonlinear and total intersubband optical absorption (refractive index changes) coefficients of a donor impurity in multilayer cylindrical quantum dots (MCQDs), ... -
Theoretical simulation of optical absorption coefficients in heterostructure based on semi-parabolic-double quantum wells
(2022)In this work, we have performed a numerical calculation to obtain the lowest three electron subband energy levels and their density of probabilities in a n-doped heterostructure constituted by double semi parabolic quantum ... -
Dynamics of nonlinear optical rectification, second, and third harmonic generation in asymmetric triangular double quantum wells due to static electric and magnetic fields
(2022)In this study, we present a theoretical simulation of the impact of applied external electric and magnetic fields on the nonlinear optical rectification (NOR), second harmonic generation (SHG), and third harmonic generation ... -
Validation of Friedewald, Martin-Hopkins and Sampson low-density lipoprotein cholesterol equations
(2022/5/13)Background: Low-density lipoprotein cholesterol (LDL-C) is an important biomarker for determining cardiovascular risk and regulating lipid lowering therapy. Therefore, the accurate estimation of LDL-C concentration is ...