In optical imaging, optical clearing agents are commonly used to enhance the structural details of a sample. The current study investigates how to use it to improve the data obtained by an optical coherence tomography angiography system. A natural edible oil with no chemical base has been used for optical clearing. In-vivo testing on mice and humans yielded excellent optical clearing. Using computational techniques, the improvement in angiography signal caused by the optical clearing agent is investigated qualitatively and quantitatively. Compared to the control group, applying the edible oil-based optical clearing agent demonstrated improved vessel percentage and refined vascular signal intensity along depth.
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http://dx.doi.org/10.1016/j.mvr.2024.104671 | DOI Listing |
Front Plant Sci
January 2025
Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huai'an, China.
The spectral reflectance provides valuable information regarding vegetation growth and plays an important role in agriculture, forestry, and grassland management. In this study, a small, portable vegetation canopy reflectance (VCR) sensor that can operate throughout the day was developed. The sensor includes two optical bands at 710 nm and 870 nm, with the light separated by filters, and has a field of view of 28°.
View Article and Find Full Text PDFSemin Ophthalmol
January 2025
Department of Glaucoma, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Madurai, India.
Purpose: To assess the practice patterns among the Indian Pediatric Glaucoma Society (IPGS) members in the management of children with primary congenital glaucoma (PCG).
Methods: An anonymous 74-question survey was administered online via Qualtrics (Qualtrics, Provo, Utah, USA) using a link sent by email to the 88 IPGS members. The questionnaire comprised five sections and was designed to gather information regarding respondent demographics and specialty training, clinic composition and volume, surgical practices and preferences, follow-up practices, and additional services.
Pulm Circ
January 2025
Department of Imaging and Pathology, Biomedical MRI KU Leuven Leuven Belgium.
The pulmonary vasculature plays a pivotal role in the development and progress of chronic lung diseases. Due to limitations of conventional two-dimensional histological methods, the complexity and the detailed anatomy of the lung blood circulation might be overlooked. In this study, we demonstrate the practical use of optical serial block face imaging (SBFI), ex vivo microcomputed tomography (micro-CT), and nondestructive optical tomography for visualization and quantification of the pulmonary circulation's 3D architecture from macro- to micro-structural levels in murine lung samples.
View Article and Find Full Text PDFLuminescence
January 2025
Department of Physics, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India.
Eu-Gd co-doped glasses composed of 15BO-12SiO-(40-x)TeO-3EuO-xGdO-12BiO-8BaO-10ZnO with x = 0-4 mol% (coded as EuGd-x) were fabricated using melt quench approach to develop transparent radiation shielding system. Their structural, optical and mechanical properties were examined. 5.
View Article and Find Full Text PDFNPJ Antimicrob Resist
April 2024
Institute of Microbiology and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK.
Antimicrobial resistance can arise in the natural environment via prolonged exposure to the effluent released by manufacturing facilities. In addition to antibiotics, pharmaceutical plants also produce non-antibiotic pharmaceuticals, both the active ingredients and other components of the formulations. The effect of these on the surrounding microbial communities is less clear.
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