Search Results - "Ehsan Koushki"

Application of Localized Surface Plasmon Resonance of Conjugated Gold Nanoparticles in Spectral Diagnosis of SARS-CoV-2: A Numerical Study by Koushki, Ehsan, Mowlavi, Ali Asghar, Hoseini, Seyed Taha

“…Severe respiratory syndrome COVID-19 (SARS-CoV-2) outbreak has became the most important global health issue, and simultaneous efforts to fast and low-cost…”
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Simple method for optical characterization of surface agents on conjugated silver nanoparticles by Koushki, Ehsan, Ghasedi, Arman

“…In this study, a simple formula has been proposed to calculate the refractive index of surface agents of silver nanoparticles (Ag NPs) by using the plasmonic…”
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Simple Method for Optical Detection and Characterization of Surface Agents on Conjugated Gold Nanoparticles by Koushki, Ehsan, Koushki, Abbas

“…In this article, we propose a simple method to calculate electrical permittivity and refractive index of surface agents of gold nanoparticles (Au NPs), in…”
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Study of nonlinear optical diffraction patterns using machine learning models based on ResNet 152 architecture by Pishnamazi, Behnam, Koushki, Ehsan

“…As the advancements in the field of artificial intelligence and nonlinear optics continues, new methods can be used to better describe and determine nonlinear…”
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Improvement in structural, electrical, and optical properties of Al-doped ZnO nanolayers by sodium carbonate prepared via solgel method by Ghasedi, Arman, Koushki, Ehsan, Zirak, Mohammad, Alehdaghi, Hassan

“…The significant improvement in crystallinity, electrical, and optical properties of aluminum-doped zinc oxide (AZO) thin films was attained by Na doping. Both…”
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Simulation of plano-convex cylindrical lens effects on photovoltaic solar cells efficiency by Koushki, Ehsan, Kazemi, Maziyar

“…A method for control and modification of solar cell efficiency using a plano-convex cylindrical lens is proposed. Optical effects of a plano-convex cylindrical…”
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Third-order nonlinear optical properties of unsymmetrical tetrazole-based dyes and study the effect of electrostriction on reverse saturation absorption by Maleki, Behrooz, Koushki, Ehsan, Alinezhad, Heshmatollah, Tajbakhsh, Mahmood, Ghani, Milad, Peiman, Sahar, Ghasempour Nesheli, Faegheh

“…This work was done to synthesize tetrazole dye and Z-scan measurement of the synthesized tetrazole compounds has been carried out and interesting results about…”
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The effect of in-situ cellulosic matrix on the photophysical properties of white emissive CQDs by Montazeri, Fereshteh, Ghasedi, Arman, Mahdavi, Behnam, Koushki, Ehsan

“…Carbon quantum dots (CQDs), the newest member of carbonaceous nanomaterials, have drawn many considerations since the past two decades. A vast number of…”
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Synthesis, band gap structure and third order non-linear optical properties of zinc tungsten oxide nanocomposite using a single CW laser beam by Jalili, Zahra, Koushki, Ehsan, Ehsanian, Amir Hossein, Tayebee, Reza, Maleki, Behrooz

“…In this study, a composite of zinc tungsten oxide nanoparticles (W-ZnO NPs) has been synthesized via mixing Na WO and zinc acetate in water, followed by…”
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Glutathione-capped core-shell structured magnetite nanoparticles: Fabrication and their nonlinear optical characteristics by Maleki, Behrooz, Esmaeilnezhad, Ehsan, Choi, Hyoung Jin, Koushki, Ehsan, Rahnamaye Aliabad, Hossein Asghar, Esmaeili, Mozafar

“…Core-shell structured magnetic Fe3O4@glutathione composite nanoparticles were synthesized and examined using diverse methods including Fourier-transform…”
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Analytical solution of steady state heat equation in nonlinear thermal-lensing effect by Koushki, Ehsan

“…•New approach was used to solve the heat equation of laser beam radiation to a thin sample.•The analytical solution was obtained by considering appropriate…”
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Effect of conjugation with organic molecules on the surface plasmon resonance of gold nanoparticles and application in optical biosensing by Koushki, Ehsan

“…The problem of functionalizing and coating nanoparticles with surfactants dispersed in a colloid is a prevalent case in nanoscience and related studies. It is…”
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Transmission function of circular optical choppers for Gaussian beam distributions by Koushki, Ehsan

“…Undoubtedly, optical choppers are one of the oldest and most common light modulation tools, which still have many applications in optoelectronic devices such…”
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Application of modified Rintala flap in nasal tip reconstruction by Ebrahimi, Ali, MD, Nejadsarvari, Nasrin, MD, MPH, Koushki, Ehsan Shams, MD

“…Abstract Introduction For nasal tip reconstruction, we must consider optimal results including color match, good tissue coverage, excellent flap viability, and…”
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Occult Laryngeal Foreign Body Mimicking Normal Thyroid Cartilage by Izadi, Farzad, Hassannia, Fatemeh, Maleki, Mojtaba, Pousti, Behzad, Shams Koushki, Ehsan, Mirhashemi, Sedighe

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Intraosseous Ganglion Cyst of the Lunate by Nazerani, Shahram, Ebrahimpour, Adel, Najafi, Arvin, Shams Koushki, Ehsan

“…Intraosseous ganglia can affect the carpal bones of the hand and must be considered in the differential diagnosis of wrist pain. A 38-year-old female presented…”
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Experience With Reverse Sural Flap to Cover Defects of the Lower Leg and Foot by Ebrahimi, Ali, Nejadsarvari, Nasrin, Shams Koushki, Ehsan

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Effect of Ilioinguinal Neurectomy on Chronic Pain following Herniorrhaphy by Khoshmohabat, Hadi, Panahi, Farzad, Alvandi, Ali Akbar, Mehrvarz, Shaban, Mohebi, Hasan Ali, Shams Koushki, Ehsan

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Carpal Tunnel Syndrome: The Role of Occupational Factors Among 906 Workers by Ghasemi, Mohammad, Rezaee, Maryam, Chavoshi, Farzaneh, Mojtahed, Mohammad, Shams Koushki, Ehsan

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Induced photoacoustic gratings due to Raman scattering in organic components by Koushki, Ehsan, Maleki, Behrooz

“…Photoacoustic waves and corresponding diffraction rings pattern have been observed in an organic liquids (6-amino-5-cyano-4-aryl-1,4-dihydropyrano[2,3-c]…”
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