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Tunable Focusing Liquid Crystal Lenses: The Challenges and the Opportunities.
Chemphyschem
January 2025
Christ University, Centre for Advanced Research and Development, Hosur Road, Central Campus, 560029, India, 560029, Bengaluru, INDIA.
The utilization of liquid crystals (LC) as materials has enabled the enlargement of lenses with the potential to alter their focus. Tunable LC lenses with adjustable focus are essential for optical imaging, sensing, and detection devices. This technology offers many benefits, such as the ability to adjust focus, operate with low power, and be easily made.
View Article and Find Full Text PDF[Resilience as an integral component of action competence in internal medicine].
Inn Med (Heidelb)
January 2025
Medizinische Klinik II, Lehrstuhl für Integrierte Psychosomatische Medizin und Psychotherapie, Universitätsklinikum Würzburg, Oberdürrbacher Straße 6, 97080, Würzburg, Deutschland.
Physicians in internal medicine are exposed to high levels of stress. Conditions of chronic emotional fatigue and burnout are widespread. Resilience, the ability to cope with difficult situations and to adapt to adverse circumstances, is essential.
View Article and Find Full Text PDFCurrent Concepts in Fluid Resuscitation and Vasopressor Use in Cirrhosis.
Semin Liver Dis
January 2025
Hepatology, University of Pennsylvania, Philadelphia, United States.
Critically ill patients with cirrhosis and liver failure not uncommonly have hypotension due to multifactorial reasons, that include hyperdynamic state with increased cardiac index, low systemic vascular resistance due to portal hypertension, following the use of beta blocker or diuretic therapy, and severe sepsis. These changes are mediated by microvascular alterations in the liver, systemic inflammation, activation of renin angiotensin aldosterone system, and vasodilatation due to endothelial dysfunction. Hemodynamic assessment includes measuring inferior vena cava indices, cardiac output and systemic vascular resistance using point-of-care ultrasound (POCUS), in addition to arterial waveform analysis, or pulmonary artery pressures, and lactate clearance to guide fluid resuscitation.
View Article and Find Full Text PDFInactivation of β-coronavirus MHV-A59 by 2.8 GHz microwave.
Medicine (Baltimore)
November 2024
Beijing Institute of Radiation Medicine, Beijing, P.R. China.
From the severe acute respiratory syndrome coronavirus in 2003 to the severe acute respiratory syndrome coronavirus 2 in 2019, coronavirus has seriously threatened human health. Electromagnetic waves not only own high penetration and low pollution but also can physically resonate with the virus. Several studies have demonstrated that electromagnetic waves can inactivate viruses efficiently.
View Article and Find Full Text PDFZearalenone exacerbates lipid metabolism disorders by promoting liver lipid droplet formation and disrupting gut microbiota.
Ecotoxicol Environ Saf
January 2025
Key Laboratory of Precision Nutrition and Food Quality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety),Ministry of Agriculture and Rural Affairs of the P.R. China, Beijing 100083, China. Electronic address:
Zearalenone (ZEA), produced by Fusarium, is a fungal toxin commonly found in maize, wheat, and other cereals. ZEA has the ability to bind to estrogen receptors of humans and animals and is an environmental endocrine disruptor that may interfere with glucose homeostasis and lipid metabolism. In this study, we first investigated the effects of chronic exposure to low doses of ZEA with a high-fat-diet (HFD) in obese C57BL/6 J mice.
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