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Photosensitizable ZIF-8 BioMOF for Stimuli-Responsive Antimicrobial Phototherapy.
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Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Department of Biotechnology (DBT), Government of India, Sector 81 (Knowledge City), S.A.S. Nagar, Mohali 140306, Punjab, India.
Resistant pathogens are increasingly posing a heightened risk to healthcare systems, leading to a growing concern due to the lack of effective antimicrobial treatments. This has prompted the adoption of antimicrobial photodynamic therapy (aPDT), which eradicates microorganisms by generating reactive oxygen species (ROS) through the utilization of a photosensitizer, photons, and molecular oxygen. However, a challenge arises from the inherent characteristics of photosensitizers, including photobleaching, aggregation, and self-quenching.
View Article and Find Full Text PDFActivation of endogenous tolerance to bleaching stress by high salinity in cloned endosymbiotic dinoflagellates from corals.
Bot Stud
January 2025
Department of Oceanography, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan.
Background: Large-scale coral bleaching events have become increasingly frequent in recent years. This process occurs when corals are exposed to high temperatures and intense light stress, leading to an overproduction of reactive oxygen species (ROS) by their endosymbiotic dinoflagellates. The ROS buildup prompts corals to expel these symbiotic microalgae, resulting in the corals' discoloration.
View Article and Find Full Text PDFA Streamlined Approach to Anticounterfeiting Technologies: Patterned AAO Membranes Based on Photonic Crystal Effects with Tunable Color Shifts and pH Responsiveness.
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January 2025
Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan.
Anticounterfeiting technologies have become increasingly crucial due to the growing issue of counterfeit goods, particularly in high-value industries. Traditional methods such as barcodes and holograms are prone to replication, prompting the need for advanced, cost-effective, and efficient solutions. In this work, a practical application of anodic aluminum oxide (AAO) membranes are presented for anticounterfeiting, which addresses the challenges of high production costs and complex fabrication processes.
View Article and Find Full Text PDFAutomatic Optical Path Alignment Method for Optical Biological Microscope.
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Guangxi Key Laboratory of Machine Vision and Intelligent Control, Wuzhou University, Wuzhou 543000, China.
A high-quality optical path alignment is essential for achieving superior image quality in optical biological microscope (OBM) systems. The traditional automatic alignment methods for OBMs rely heavily on complex masker-detection techniques. This paper introduces an innovative, image-sensor-based optical path alignment approach designed for low-power objective (specifically 4×) automatic OBMs.
View Article and Find Full Text PDFInfection with Toxoplasma gondii triggers coagulation at the blood-brain barrier and a reduction in cerebral blood flow.
J Neuroinflammation
January 2025
Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, 92697, USA.
Background: Immunothrombosis is the process by which the coagulation cascade interacts with the innate immune system to control infection. However, the formation of clots within the brain vasculature can be detrimental to the host. Recent work has demonstrated that Toxoplasma gondii infects and lyses central nervous system (CNS) endothelial cells that form the blood-brain barrier (BBB).
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