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| http://dx.doi.org/10.1038/s41386-024-01974-4 | DOI Listing |
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Near-infrared spectroscopy combined with vascular occlusion test to predict acute kidney injury in patients undergoing cardiac surgery: a prospective observational study.
J Cardiothorac Surg
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Department of Anesthesiology, West China Hospital, Sichuan University, 37 Guo Xue Xiang, Chengdu, 610041, China.
Background: Near-infrared spectroscopy (NIRS) enables a non-invasive measurement of tissue oxygen saturation (StO) in regions illuminated by near-infrared lights. Vascular occlusion test (VOT) serves as a model to artificially induce forearm ischemia-reperfusion. The combination of StO monitoring and VOT allows for dynamic evaluation of the balance between oxygen delivery and consumption in tissue, as well as the functional reserve of microcirculation.
View Article and Find Full Text PDFA combined school survey and reactive case detection reveals minimal local transmission of malaria in the Highlands Region of Papua New Guinea.
Malar J
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Swiss Tropical and Public Health Institute, Allschwil, Switzerland.
Background: The Highlands of Papua New Guinea are non-endemic for malaria compared to the rest of the country. This study aimed to explore the local transmission of malaria in the Highlands through a cross-sectional school survey coupled with reactive case detection.
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Finetech in Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran.
Background And Aim: Zinc oxide and copper oxide nanoparticles are known for their promising biological activities. This study aims to synthesize zinc oxide nanoparticles and copper-doped zinc oxide nanoparticles to harness the combined cytotoxic and anticancer effects of them in vitro and in vivo studies.
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Structure and catalytic activity of the SAM-utilizing ribozyme SAMURI.
Nat Chem Biol
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Institute of Organic Chemistry, Julius-Maximilians-Universität Würzburg, Würzburg, Germany.
Ribozymes that catalyze site-specific RNA modification have recently gained increasing interest for their ability to mimic methyltransferase enzymes and for their application to install molecular tags. Recently, we reported SAMURI as a site-specific alkyltransferase ribozyme using S-adenosylmethionine (SAM) or a stabilized analog to transfer a methyl or propargyl group to N of an adenosine. Here, we report the crystal structures of SAMURI in the postcatalytic state.
View Article and Find Full Text PDFSecond harmonic generation imaging reveals entanglement of collagen fibers in the elephant trunk skin dermis.
Commun Biol
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Department of Bioengineering, Imperial College London, South Kensington, London, SW7 2AZ, UK.
Form-function relationships often have tradeoffs: if a material is tough, it is often inflexible, and vice versa. This is particularly relevant for the elephant trunk, where the skin should be protective yet elastic. To investigate how this is achieved, we used classical histochemical staining and second harmonic generation microscopy to describe the morphology and composition of elephant trunk skin.
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