Showing 4,201 - 4,220 results of 4,366 for search '"optics"', query time: 0.06s Refine Results
  1. 4201

    Malapposed Struts with Cre8, Biomatrix, and Xience Stents Assessed with OCT Immediately after Implantation and at 6-Month Follow-Up: Can the Different Biomechanical Characteristics... by Cristina Giglioli, Emanuele Cecchi, Chiara Formentini, Marco Chiostri, Niccolò Marchionni, Salvatore Mario Romano

    Published 2021-01-01
    “…In this study, which is a subanalysis of the previously published CREBX-OCT study, we compared optical coherence tomography (OCT) analysis at the index percutaneous coronary intervention (PCI) and at six-month follow-up in 37 patients randomly assigned to receive, by a single operator, three different second-generation drug-eluting stents (Cre8, Biomatrix, and Xience) aiming to clarify if the malapposition observed at six-month follow-up was persistent or late-acquired. …”
    Get full text
    Article
  2. 4202

    Microbiological And Physicochemical Analyses Of Oil Contaminated Soil From Major Motor Mechanic Workshops In Benin City Metropolis,Edo State, Nigeria by FO Ekhaise, J Nkwelle

    Published 2013-05-01
    “…It was also showed that there exist significant difference in the optical density and pH among the microbial isolates. …”
    Get full text
    Article
  3. 4203

    Anatomical and Visual Outcomes after LASIK Performed in Myopic Eyes with the WaveLight® Refractive Suite (Alcon® Laboratories Inc., USA) by Imene Salah-Mabed, Sarah Moran, Emmanuelle Perez, Guillaume Debellemanière, Damien Gatinel

    Published 2020-01-01
    “…This is probably due to well-controlled spherical aberration and the use of large optical zones. Besides, we can assume that the patients’ quality of vision depends more on the postoperative dry eye disease generated by the laser than on the induced HOAs.…”
    Get full text
    Article
  4. 4204
  5. 4205

    Resveratrol Supplementation in Wet AMD: Association With Fewer Intravitreal Injections and Reduced Macular Fibrosis by Datseris I, Rouvas A, Tzanidaki ME, Kardara M, Geros V, Gouliopoulos N

    Published 2025-01-01
    “…For 2 years, the patients were monthly assessed with best corrected visual acuity (BCVA) measurement, fundus autofluorescence, optical coherence tomography (OCT) scans and OCT-angiography. …”
    Get full text
    Article
  6. 4206

    Electrocatalytic Properties of Calcium Titanate, Strontium Titanate, and Strontium Calcium Titanate Powders Synthesized by Solution Combustion Technique by Oratai Jongprateep, Nicha Sato, Ratchatee Techapiesancharoenkij, Krissada Surawathanawises

    Published 2019-01-01
    “…Experimental results revealed that CaTiO3, SrTiO3, and Sr0.5Ca0.5TiO3 powders synthesized by the solution combustion technique consisted of submicrometer-sized particles with specific surface areas ranging from 4.19 to 5.98 m2/g. Optical bandgap results indicated that while CaTiO3 and SrTiO3 had bandgap energies close to 3 eV, Sr0.5Ca0.5TiO3 yielded a lower bandgap energy of 2.6 eV. …”
    Get full text
    Article
  7. 4207

    Histological Ex Vivo Evaluation of the Suitability of a 976 nm Diode Laser in Oral Soft Tissue Biopsies by Gaspare Palaia, Federico Renzi, Daniele Pergolini, Alessandro Del Vecchio, Paolo Visca, Gianluca Tenore, Umberto Romeo

    Published 2021-01-01
    “…A histological analysis was performed using an optical microscope at magnifications of 5x and 10x. …”
    Get full text
    Article
  8. 4208

    Early impairment of magnocellular visual pathways mediated by isolated-check visual evoked potentials in primary open-angle glaucoma: a cross-sectional study by Yangfan Yang, Minbin Yu, Zidong Chen, Qiaona Ye, Yanmei Fan, Pingping Liu, Zitian Liu, Kezheng Xu

    Published 2024-05-01
    “…Visual acuity, intraocular pressure, fundus examination, optical coherence tomography and visual field were measured. …”
    Get full text
    Article
  9. 4209

    Polarization conversion in soft glass fluoride and chalcogenide fibers for mid-infrared applications by Md Moinul Islam Khan, Md Hosne Mobarok Shamim, Jean-Luc Delarosbil, Younes Messaddeq, Frederic Smektala, Martin Rochette

    Published 2025-01-01
    “…Thanks to the higher strain-optic coefficients of chalcogenide glass, these fibers exhibited exceptional PER values, reaching 39.3 dB for As _2 Se _3 , 41.4 dB for As _2 S _3 , and 38.3 dB for Ge _20 Se _60 Te _20 . …”
    Get full text
    Article
  10. 4210

    The Role of OCT Angiography in the Assessment of Epiretinal Macular Membrane by Daniela Bacherini, Francesco Dragotto, Tomaso Caporossi, Chiara Lenzetti, Lucia Finocchio, Alfonso Savastano, Maria Cristina Savastano, Francesco Barca, Martina Dragotto, Lorenzo Vannozzi, Francesco Nasini, Francesco Faraldi, Stanislao Rizzo, Gianni Virgili, Fabrizio Giansanti

    Published 2021-01-01
    “…The aim of this observational study is to assess pre- and postoperative retinochoroidal vascular changes in patients undergoing epiretinal macular membrane (ERM) surgery by using optical coherence tomography angiography (OCTA). Materials and Methods. 23 eyes affected by ERM and those which underwent phacovitrectomy associated with ERM peeling were enrolled. …”
    Get full text
    Article
  11. 4211

    OCT Biomarkers in Neovascular Age-Related Macular Degeneration: A Narrative Review by Cristian Metrangolo, Simone Donati, Marco Mazzola, Liviana Fontanel, Walter Messina, Giulia D’alterio, Marisa Rubino, Paolo Radice, Elias Premi, Claudio Azzolini

    Published 2021-01-01
    “…Neovascular AMD (nAMD) is responsible for the majority of cases of severe visual loss in eyes with AMD. Optical coherence tomography (OCT) is the most widely used technology for the diagnosis and follow-up of nAMD patients, which is widely used to study and guide the clinical approach, as well as to predict and evaluate treatment response. …”
    Get full text
    Article
  12. 4212

    Quinoid to benzenoid transition-driven glutathione sensing: Dual-emission carbon dots and smartphone-based ratiometric fluorescence analysis by Al-Montaser Bellah H. Ali, Ashraf M. Mahmoud, Yousef A. Bin Jardan, Aya M. Mostafa, James Barker, Mohamed M. El-Wekil

    Published 2025-08-01
    “…The sensing system operates at pH 9.0, exploiting the unique optical properties of BOCDs with emission peaks at 420 nm and 570 nm. …”
    Get full text
    Article
  13. 4213

    Variability of Kappaphycus alvarezii cultivation in South-Sulawesi (Indonesia) related to the monsoon shift: Water quality, growth and colour quantification by Laurent Barillé, Iona L.R. Paterson, Simon Oiry, Agus Aris, Elizabeth J. Cook-Cottier, Nurjannah Nurdin

    Published 2025-03-01
    “…A decrease in the greenness optical index at 550 nm was observed at the end of each cultivation cycle, with the thalli appearing darker. …”
    Get full text
    Article
  14. 4214

    Early Detection of Microvascular Changes in Patients with Diabetes Mellitus without and with Diabetic Retinopathy: Comparison between Different Swept-Source OCT-A Instruments by Stela Vujosevic, Caterina Toma, Edoardo Villani, Valentina Gatti, Marco Brambilla, Andrea Muraca, Maria Chantal Ponziani, Gianluca Aimaretti, Alessandro Nuzzo, Paolo Nucci, Stefano De Cilla’

    Published 2019-01-01
    “…Optical coherence tomography angiography (OCT-A) has recently improved the ability to detect subclinical and early clinically visible microvascular changes occurring in patients with diabetes mellitus (DM). …”
    Get full text
    Article
  15. 4215

    RETRACTED: Mycosynthesis of Hematite (α-Fe<sub>2</sub>O<sub>3</sub>) Nanoparticles Using <em>Aspergillus niger</em> and Their Antimicrobial and Photocatalytic Activities by Ebrahim Saied, Salem S. Salem, Abdulaziz A. Al-Askar, Fathy M. Elkady, Amr A. Arishi, Amr H. Hashem

    Published 2022-08-01
    “…Hematite (α-Fe<sub>2</sub>O<sub>3</sub>) nanoparticles (Hem-NPs) were manufactured in this work by utilizing a cost-effective and ecofriendly approach that included a biomass filtrate of <i>A. niger</i> AH1 as a bio-reducer. The structural and optical properties of Hem-NPs were investigated using X-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic light scattering (DLS), and UV-visible and Fourier-transform infrared (FTIR) spectroscopies. …”
    Get full text
    Article
  16. 4216

    Microstructural modifications in bitumens rejuvenated by oil from pyrolysis of waste tires by Michela Alfe, Valentina Gargiulo, Giovanna Ruoppolo, Francesco Cammarota, Pietro Calandra, Cesare Oliviero Rossi, Valeria Loise, Michele Porto, Roberto Di Capua, Paolino Caputo

    Published 2025-01-01
    “…The blends were also investigated using atomic force microscopy, and the asphaltenic fraction was assessed via optical microscopy.Results and discussionAll the data consistently indicate that oil addition not only reduces the viscosity of bitumen and restores it to values close to the original unaged bitumen but also changes the intermolecular structure to recover the self-assembly pattern typical of the unaged sample. …”
    Get full text
    Article
  17. 4217

    Peripapillary atrophy area predicts the decrease of macular choroidal thickness in young adults during myopia progression by Xun Xu, Jianfeng Zhu, Ying Fan, Luyao Ye, Ya Shi, Menghan Li, Qiuying Chen, Guangyi Hu, Jiamin Xie, Jiangnan He

    Published 2024-08-01
    “…Participants were examined with swept-source optical coherence tomography. The macular ChT, PPA area and axial length (AL) were measured at baseline and follow-up visits. …”
    Get full text
    Article
  18. 4218

    Functional Evaluation of the Visual Pathway in Patients with Multiple Sclerosis Using a Multifunction Stimulator Monitor by M. Satue, L. Jarauta, J. Obis, M. Cipres, M. J. Rodrigo, C. Almarcegui, I. Dolz, J. R. Ara, J. Martin, L. E. Pablo, E. Garcia-Martin

    Published 2019-01-01
    “…Retinal structural measurements were obtained in all subjects using Triton swept source optical coherence tomography (Topcon, Japan). Results. …”
    Get full text
    Article
  19. 4219

    Green synthesis and enhanced photocatalytic performance of Co-Doped CuO nanoparticles for efficient degradation of synthetic dyes and water splitting by Daniel Masekela, Lovedonia K. Kganyakgo, Kwena D. Modibane, Tunde L. Yusuf, Sheriff A. Balogun, Wilson M. Seleka, Edwin Makhado

    Published 2025-01-01
    “…The synthesized materials were confirmed using Field emission-scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), Thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). The optical and electrochemical properties, including the energy band gap, transient photocurrent response (TPR), and charge-transfer resistance (Rct), were assessed using chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS), respectively. …”
    Get full text
    Article
  20. 4220

    Polyoxovanadate-modified SnO2 electron transport layer for perovskite photodetectors by Ziting Liu, Yijia Hao, Jing Zhang, Yi He, Weilin Chen

    Published 2025-03-01
    “…Polyoxovanadates (POVs), as semiconductor-like molecules, exhibit good redox and excellent optical properties, which can regulate the energy band structure of SnO2. …”
    Get full text
    Article