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Membranes of Polymer of Intrinsic Microporosity PIM-1 for Gas Separation: Modification Strategies and Meta-Analysis.
Nanomicro Lett
January 2025
Department of Chemical Engineering, Faculty of Science and Engineering, The University of Manchester, Manchester, M13 9PL, UK.
Polymers of intrinsic microporosity (PIMs) have received considerable attention for making high-performance membranes for carbon dioxide separation over the last two decades, owing to their highly permeable porous structures. However, challenges regarding its relatively low selectivity, physical aging, and plasticisation impede relevant industrial adoptions for gas separation. To address these issues, several strategies including chain modification, post-modification, blending with other polymers, and the addition of fillers, have been developed and explored.
View Article and Find Full Text PDFThe Brussels consensus for non-invasive ICP monitoring when invasive systems are not available in the care of TBI patients (the B-ICONIC consensus, recommendations, and management algorithm).
Intensive Care Med
January 2025
Global Health Research Group in Acquired Brain and Spine Injuries, Cambridge, UK.
Background: Invasive systems are commonly used for monitoring intracranial pressure (ICP) in traumatic brain injury (TBI) and are considered the gold standard. The availability of invasive ICP monitoring is heterogeneous, and in low- and middle-income settings, these systems are not routinely employed due to high cost or limited accessibility. The aim of this consensus was to develop recommendations to guide monitoring and ICP-driven therapies in TBI using non-invasive ICP (nICP) systems.
View Article and Find Full Text PDFTransesophageal echocardiography monitoring for liver transplantation: where are we now?
Minerva Anestesiol
January 2025
Transplant Anesthesia and Critical Care, Pisa NHS and University Hospitals, Pisa, Italy -
Intraoperative hemodynamic monitoring is crucial for managing patients with end-stage liver disease (ESLD) undergoing orthotopic liver transplantation (OLT) due to their complex cardiovascular and pulmonary abnormalities. Traditionally, pulmonary artery catheterization (PAC) has been the standard for hemodynamic monitoring during OLT. However, the use of transesophageal echocardiography (TEE) has increased due to its real-time visualization of cardiac and vascular structures, which aids in managing hemodynamic instability during the three surgical phases of OLT: pre-anhepatic, anhepatic, and neo-hepatic.
View Article and Find Full Text PDFBroadband wireless battery-free acoustic identification tags for high data-rate underwater backscatter communication.
J Acoust Soc Am
January 2025
George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
Developing persistent and smart underwater markers is critical for improving navigation accuracy and communication capabilities of autonomous underwater vehicles (AUVs). A wireless acoustic identification tag, which uses a piezoelectric transducer tuned in the broadband ultrasonic range (200-500 kHz), was experimentally demonstrated to achieve highly efficient power transfer (source-to-tag electrical power efficiency of >2% at 6 m) and concurrent high data rate and backscatter level communication (>83.3 kbit s-1, >170 dB sound pressure level at 6 m) with potential operating range ≈ 10 m based on analytical extrapolations.
View Article and Find Full Text PDFFinite Element Analysis of Functionally Loaded Subperiosteal Implants Evaluated on a Realistic Model Reproducing Severe Atrophic Jaws.
Methods Protoc
January 2025
Department of Biomedical and Neuromotor Sciences, University of Bologna, 40125 Bologna, Italy.
Implant-supported prosthetic rehabilitation for patients with severely atrophic jaws is challenging due to complex anatomical considerations and the limitations of conventional augmentation techniques. This study explores the potential of subperiosteal (juxta-osseous) implants as an alternative solution, using finite element analysis (FEA) to evaluate mechanical performance. Realistic jaw models, developed from radiographic data, are utilized to simulate various implant configurations and load scenarios.
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