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Microstructure analysis of metal artefacts from the Carpathian Basin – a brief methodology of the Argum's metallographic practice
Published 2019-03-01“…Nowadays it is not necessary to use complicated etching methods to study the different metallographic phases. …”
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Time-resolved probing of laser-induced nanostructuring processes in liquids
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1444
Comparison of slot tolerance with manufacturing measurements of different stainless steel self-ligating brackets
Published 2024-12-01“…Materials and methods: Eighty upper first premolar brackets of four different brands {Damon Q (Ormco corporation, Brea, California, USA), DTC (Medical apparatus Cor., Hangzhou, China), IOS (Pactive self-ligating bracket, IOS, Stafford, USA), Lotus Plus interactive bracket (Orthotechnology Inc., southern Ct, West Columbia, USA)} of stainless steel self-ligating brackets with claimed slot dimensions of 0.559 mm (0.022") in height, 0.711mm (0.028") in depth and with zero taper angle were used (twenty brackets of each brand). …”
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1445
Ultra-fast real time ethanol sensing behavior and reduction in optical bandgap of the hydrothermally synthesized V2O5/ZnO nanocomposites
Published 2025-06-01“…Owing to the significance of metal oxides based nanostructures for the gas sensing applications, this work reports the hybrid V2O5/ZnO nano-particles/rods nanocomposites (with different V2O5-ZnO contents ratios; (10:1 (VZ-I), 8:1 (VZ-II) and 6:1 (VZ-III)) prepared via hydrothermal method and characterized for structure, morphology, composition, photoluminescence and optical bandgap by XRD, FESEM, EDX, Photo-Luminescence (PL) and UV–Vis spectroscopy, respectively. …”
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Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography
Published 2021-01-01“…Method. The study included 491 ultra-wide-field fundus ophthalmoscopy and optical coherence tomography angiography (OCTA) images that passed an image-quality review and were graded as no apparent DR (NDR; 169 images), mild nonproliferative DR (NPDR; 76 images), moderate NPDR (54 images), severe NPDR (90 images), and proliferative DR (PDR; 102 images) by three retinal experts by the International Clinical Diabetic Retinopathy Severity Scale. …”
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1447
Inhibition of IGF-1Rα affects the differentiation fate of rat optic cup-derived retinal stem cells to retinal ganglion cells in vitro
Published 2025-04-01“…METHODS: OC-RSCs were isolated from optic cups of rats on embryonic day 12.5, and high-purity OC-RSCs were obtained by conditioned culture and passage. …”
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Hybrid MDM-MIMO radio-over-free space optical system for high-capacity 5G and beyond networks under strong and weak scintillation
Published 2025-03-01“…IntroductionThe increasing demand for high-capacity, low-latency communication in 5G and Beyond networks necessitates innovative solutions to overcome the limitations of conventional wireless technologies. Optical Wireless Communication (OWC) technologies, particularly Radio-over-Free Space Optical (RoFSO) systems, offer a promising approach to addressing spectrum congestion and environmental attenuation challenges.MethodsThis study presents a hybrid Mode Division Multiplexing (MDM)-Multiple Input Multiple Output (MIMO) RoFSO system operating at an 80 GHz·mm-wave carrier to achieve high-capacity data transmission. …”
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Optimized Support Vector Machine Assisted BOTDA for Temperature Extraction With Accuracy Enhancement
Published 2020-01-01“…Brillouin optical time domain analyzer (BOTDA) assisted by optimized support vector machine (SVM) algorithm for accurate temperature extraction is presented and experimentally demonstrated. …”
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Metabolic disorders and their impact on retinal blood flow in patients with age-related macular degeneration and diabetes mellitus: data from optical coherence tomography angiograp...
Published 2025-02-01“…Materials and methods. The study included 98 eyes (62 patients) with early dry AMD. …”
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Experimental Validation of Designs for Permeable Diffractive Lenses Based on Photon Sieves for the Sensing of Running Fluids
Published 2025-05-01“…When the photon sieve is intended to be used as an optical element for the monitoring of running fluids, one of the designs studied, labeled the Ring-by-Ring method, behaves in a quite balanced manner and thus has become the preferred choice. …”
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1452
A retrospective study of posterior vitreous detachment in patients with non-arteritic anterior ischemic optic neuropathy referred to Rasoul Akram hospital in 2022–2023
Published 2025-04-01“…Hence, future research should be designed and implemented to compare the mechanism of PVD and non-arteritic ischemic optic neuropathy (NAION) at the same time in different age groups.…”
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1453
Opto‐Thermal‐Tension Mediated Precision Large‐Scale Particle Manipulation and Flexible Patterning
Published 2024-09-01Get full text
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1454
Reliability Analysis of Multi-Autonomous Underwater Vehicle Cooperative Systems Based on Fuzzy Control
Published 2025-04-01Get full text
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1455
Choroidal Thickness and Ganglion Cell Complex in Pubescent Children with Type 1 Diabetes without Diabetic Retinopathy Analyzed by Spectral Domain Optical Coherence Tomography
Published 2018-01-01“…To assess the retinal and choroidal thickness and ganglion cell complex (GCC) in pubescent children with type 1 diabetes (T1D) without diabetic retinopathy (DR), using spectral domain optical coherence tomography (SD-OCT). Materials and Method. …”
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Perimetry criteria for assessing the effectiveness of retinoprotective therapy
Published 2022-03-01Get full text
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1458
Imposed Optical Defocus Induces Isoform-Specific Up-Regulation of TGFβ Gene Expression in Chick Retinal Pigment Epithelium and Choroid but Not Neural Retina.
Published 2016-01-01“…<h4>Purpose</h4>This study investigated the gene expression of TGFβ isoforms and their receptors in chick retina, retinal pigment epithelium (RPE), and choroid and the effects of short-term imposed optical defocus.<h4>Methods</h4>The expression of TGFβ isoforms (TGF-β1, 2, 3) and TGFβ receptors (TGFBR1, 2, 3) was examined in the retina, RPE, and choroid of young White-Leghorn untreated chicks (19 days-old). …”
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Detection of Retinal and Choriocapillaris Microvascular Changes in Retinal Vein Occlusion and Fellow Eyes by Optical Coherence Tomography Angiography: A Systematic Review and Meta-...
Published 2024-12-01“…Methods A comprehensive search of the PubMed, Embase, and Ovid databases was conducted to identify studies comparing OCTA metrics among RVO, RVO-fellow, and control eyes. …”
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Long-Term Clinically Significant Posterior Capsular Opacification Development Pattern in Eyes Implanted with an Aspheric Monofocal Intraocular Lens with a Square Optic Edge
Published 2021-01-01“…To analyse the posterior capsular opacification (PCO) development pattern in the long term in eyes implanted with a monofocal intraocular lens (IOL) with a square edge all around the optic. Methods. Longitudinal retrospective study is data analyzed from a total of 7059 eyes from 4764 patients (mean age: 75.8 years) undergoing cataract surgery with implantation of an aspheric monofocal IOL (Bi-Flex HL 677AB/677P, Medicontur, Budapest, Hungary). …”
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