Showing 4,261 - 4,280 results of 4,366 for search '"optics"', query time: 0.05s Refine Results
  1. 4261

    Association between retinal markers and cognition in older adults: a systematic review by Gerald Liew, Bamini Gopinath, Joyce Chan, Joyce Siette, Varshanie Jeevakumar, Rebekah Sefton, Tejal M Shah

    Published 2022-06-01
    “…Majority of studies were cross-sectional (n=60; 89.6%). Optical coherence tomography (OCT) was the most commonly used retinal scanning methodology to measure the thickness of retinal nerve fibre layer, the ganglion cell complex, choroid and macula. 51.1% of cross-sectional studies using OCT reported an association between the thinning of at least one retinal parameter and poor cognition. …”
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  2. 4262

    Innovator ranibizumab ComparEd to Biosimilar ranibizumab in combination with Expansile gas in submaculaR HemorrhaGe: the ICEBERG study by Debdulal Chakraborty, Tushar Kanti Sinha, Soumen Mondal, Subhendu Boral, Arnab Das, Saptorshi Majumbar, Angshuman Mukherjee, Ranabir Bhattacharya, Sumit Randhir Singh

    Published 2025-01-01
    “…Patients received either innovator or biosimilar RBZ (3 loading doses followed by pro re nata regimen) and single injection of intravitreal C3F8. Optical coherence tomography (OCT) was performed at baseline, 1, 3 and 6 months. …”
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  3. 4263
  4. 4264

    Clinical Efficacy of Platelet-Rich Plasma in the Treatment of Neurotrophic Corneal Ulcer by Dominika Wróbel-Dudzińska, Jorge Alio, Alejandra Rodriguez, Ewa Suchodoła-Ratajewicz, Ewa Kosior-Jarecka, Beata Rymgayłło-Jankowska, Agnieszka Ćwiklińska-Haszcz, Tomasz Żarnowski

    Published 2018-01-01
    “…The following were evaluated: best corrected visual acuity (BCVA), healing of corneal surface, subjective symptoms, and changes in corneal thickness with the use of anterior segment optical coherent tomography (AS-OCT). Results. BCVA before the treatment was 0.10 ± 0.14, and after the treatment it was –0.3 ± 0.27 (p=0.001). …”
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  5. 4265

    Physical, chemical and biological properties of MTA Angelus and novel AGM MTA: an in vitro analysis by Sara Nashibi, Parisa Amdjadi, SeyedehSana Ahmadi, Sara Hekmatian, Maryam Torshabi

    Published 2025-01-01
    “…The pH changes were measured at intervals of 3, 6, 24, 72, 96 and 144 h postimmersion in Hank’s solution and calcium ion release was analysed after 168 h of immersion via inductively coupled plasma optical emission spectroscopy (ICP‒OES). Moreover, the cytotoxicity was assessed through the MTT assay on human dental pulp stem cells (hDPSCs) after 24 and 72 h of exposure to the set/fresh status of various dilutions of MTA extracts, following the ISO 10993-12 standard. …”
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  6. 4266

    Miniaturization and characterization of patient derived hepatocellular carcinoma tumor organoid cultures for cancer drug discovery applications by David A. Close, Paul A. Johnston

    Published 2025-01-01
    “…HCC PDTO's had more heterogeneous morphologies than non-tumor organoids with respect to size, shape, and optical density. Organoids cultured in rgf-MG could be stained in situ with HCI reagents without mechanical, chemical or enzymatic disruption of the hydrogel matrices and quantitative data extracted by image analysis. …”
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  7. 4267

    Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China by Ling Shen, Dan Hua, Baisu Nan, Yao Yao, Hong Duan, Jiakun Wang

    Published 2025-01-01
    “…Through multi-techniques such as optical microscopy (OM), scanning electron microprobe with energy dispersive X-ray spectroscopy analysis (SEM-EDX), micro-Raman spectroscopy, micro-Fourier Transform Infrared spectroscopy (μ-FTIR), and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), it was found that there is a significant difference from the reported common non-ground architectural paintings in the south, typically having four-layer structures with a white base and ground plaster layer in preparation for painting. …”
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  8. 4268
  9. 4269

    Human Umbilical Cord Mesenchymal Stem Cells Attenuate Ocular Hypertension-Induced Retinal Neuroinflammation via Toll-Like Receptor 4 Pathway by Shangli Ji, Jie Xiao, Jian Liu, Shibo Tang

    Published 2019-01-01
    “…Retinal morphology was evaluated by measuring the inner retinal thickness via optical coherence tomography (OCT). Retinal cell apoptosis was examined by TUNEL staining and Bax expression 14 days following hUC-MSC transplantation. …”
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  10. 4270

    Subthreshold Micropulse Laser (577 nm) Therapy with an Individual Approach for Power Titration in Patients with Chronic Central Serous Chorioretinopathy (Pilot Study) by Taras Kustryn, Oleg Zadorozhnyy, Illia Nasinnyk, Nataliya Pasyechnikova, Andrii Korol

    Published 2024-01-01
    “…The secondary outcome measures were as follows: central retinal thickness (CRT) and maximum subretinal fluid height (SRFH) according to optical coherence tomography, number of laser sessions, and treatment safety at 6-month follow-up. …”
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  11. 4271

    Accommodative Exercises to Lower Intraocular Pressure by Thomas J. Stokkermans, Jeremy C. Reitinger, George Tye, Chiu-Yen Kao, Sangeetha Ragupathy, Huachun A. Wang, Carol B. Toris

    Published 2020-01-01
    “…Baseline measurements of central cornea thickness, anterior chamber depth, anterior chamber angle, cornea diameter, pupil size, and ciliary muscle thickness were made by autorefraction and optical coherence tomography (OCT), while IOP was measured by pneumotonometry. …”
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  12. 4272
  13. 4273

    Microplastic polymers in shellfish and fish in the coastal area by S. Basri K., A. Daud, A.B. Birawida, M. Maming, H.J. Mukono, D.S. Arsyad

    Published 2024-10-01
    “…Sample preparation, including enzymatic digestion and mechanical destruction, was performed to separate the organic tissues of fish and shellfish into small particles. Optical microscopy (at 100× and 400× magnification) was used to observe the morphology and to count the number of particles per sample volume using a modified Neubeuer Improved Counting Chamber. …”
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  14. 4274

    First Measurements of Ambient PM2.5 in Kinshasa, Democratic Republic of Congo and Brazzaville, Republic of Congo Using Field-calibrated Low-cost Sensors by Celeste McFarlane, Paulson Kasereka Isevulambire, Raymond Sinsi Lumbuenamo, Arnold Murphy Elouma Ndinga, Ranil Dhammapala, Xiaomeng Jin, V. Faye McNeill, Carl Malings, R. Subramanian, Daniel M. Westervelt

    Published 2021-03-01
    “…Finally, the surface PM2.5 level and the aerosol optical depth were about 40% lower during the COVID-19 lockdown in 2020 than the corresponding period in 2019, which cannot be attributed solely to changes in meteorology or wildfire emission. …”
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  15. 4275

    Methodological and practical aspects of using satellite imagery to assess the military impact on soils by Vitalii Lebed, Maksym Solokha, Vadym Solovei, Anatolii Kucher, Ludmila Vorotyntseva

    Published 2024-12-01
    “…The study identified the optimal combinations of optical bands from Sentinel-2 satellites for monitoring the consequences of military impact on soil cover. …”
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  16. 4276

    Metal Powder Production by Atomization of Free-Falling Melt Streams Using Pulsed Gaseous Shock and Detonation Waves by Sergey M. Frolov, Vladislav S. Ivanov, Viktor S. Aksenov, Igor O. Shamshin, Fedor S. Frolov, Alan E. Zangiev, Tatiana I. Eyvazova, Vera Ya. Popkova, Maksim V. Grishin, Andrey K. Gatin, Tatiana V. Dudareva

    Published 2025-01-01
    “…The analysis of solidified particles and particle size distribution in the powder is studied by sifting on sieves, optical microscopy, laser diffraction wet dispersion method (WDM), and atomic force microscopy (AFM). …”
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  17. 4277
  18. 4278

    Pushing the Atacama Large Millimeter/submillimeter Array to the Limit: 140 pc Resolution Observations of a z = 6.6 Quasar–Galaxy Merger Resolve Strikingly Different Morphologies of... by Romain A. Meyer, Bram Venemans, Marcel Neeleman, Roberto Decarli, Fabian Walter

    Published 2025-01-01
    “…We report the detection of far-infrared (FIR)-detected star-forming clumps with r < 200 pc and properties similar to that of rest-frame UV–optical clumps reported in the literature. The 200 pc resolved [C ii ]/FIR ratio follows the global relation with the FIR surface brightness established in low- and high-redshift galaxies, even at the quasar location. …”
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  19. 4279

    Luminescence Nanothermometry Based on Pr3+ : LaF3 Single Core and Pr3+ : LaF3/LaF3 Core/Shell Nanoparticles by M. S. Pudovkin, D. A. Koryakovtseva, E. V. Lukinova, S. L. Korableva, R. Sh. Khusnutdinova, A. G. Kiiamov, A. S. Nizamutdinov, V. V. Semashko

    Published 2019-01-01
    “…The nanoparticles (NPs) were characterized by means of transmission electron microscopy, X-ray diffraction, and optical spectroscopy. The formation of the shell was proved by detecting the increase in physical sizes, sizes of coherent scattering regions, and luminescence lifetimes of core/shell NPs comparing with single core NPs. …”
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  20. 4280

    Effect of Pre-Emulsified Flaxseed Oil Containing Rutin on the Quality of <i>Nemipterus virgatus</i> Surimi Gel: Gelatinization Properties, Storage Stability, and Protein Digestibil... by Qingguan Liu, Xiaobing Huang, Huanta Ma, Xinyi Qin, Pengzhi Hong, Xiaowen Pi, Chunxia Zhou

    Published 2025-01-01
    “…The results indicated that the addition of 1.5% rutin significantly improved the water-holding capacity and decreased the cooking loss rate of surimi gel (<i>p</i> < 0.05). The results of optical microscopy and scanning electron microscopy showed that the addition of 1.5% rutin promoted a denser network structure of surimi gel. …”
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