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http://dx.doi.org/10.1042/bj2881072 | DOI Listing |
J Chromatogr B Analyt Technol Biomed Life Sci
December 2024
Pulmonary Circulation Centre, Department of Cardiac and Vascular Diseases, Jagiellonian University Medical College, Krakow, Poland; Department of Cardiac and Vascular Diseases, St. John Paul II Hospital, Krakow, Poland.
A considerable percentage of ineffective treatment in pulmonary arterial hypertension (PAH) may be related to subtherapeutic dosage or non-adherence. The aim of the study was to develop a simple analytical method suitable for plasma determination of selected drugs: riociguat (RIO), bosentan (BOS) and macitentan (MAC) administered to PAH patients. An isocratic HPLC-UV system (Spectra Physics - Shimadzu) with a manual injector (50 μL loop) was applied.
View Article and Find Full Text PDFJ Crohns Colitis
January 2025
Professor of Gastroenterology, Translational Medical Sciences, School of Medicine, Faculty of Medicine and Health Sciences, University of Nottingham; NIHR Nottingham Biomedical Research Centre, Nottingham.
Background & Objective: IBD fatigue aetiology is poorly understood. This study quantified body composition and physical function alongside proton magnetic resonance imaging (1H MRI) and spectroscopy (31P MRS) measures of organ structure and function in quiescent Crohn's Disease patients (CD) and healthy volunteers (HV), to identify a physiological basis for IBD fatigue.
Methods: Body composition was determined using DEXA and 1H MRI.
Background: Selecting the optimal dose for clinical development is especially problematic for drugs directed at CNS-specific targets. For drugs with a novel mechanism of action, these problems are often greater. We describe Xanamem's clinical pharmacology, including the approach to dose selection and proof-of-concept studies.
View Article and Find Full Text PDFNanoscale
January 2025
Department of Physics, McGill University, 845 Sherbrooke West, Montréal, Canada.
Solid-state nanopores exhibit dynamically variable sizes influenced by buffer conditions and applied electric field. While dynamical pore behavior can complicate biomolecular sensing, it also offers opportunities for controlled, modification of pore size post-fabrication. In order to optimally harness solid-state pore dynamics for controlled growth, there is a need to systematically quantify pore growth dynamics and ideally develop quantitative models to describe pore growth.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Mechanical Engineering, India KLS Vishwanathrao Deshpande Institute of Technology, Haliyal, India.
The current study assesses several water-based PVT system thermal absorber configurations. The thermal absorber in PVT system plays a vital role in efficiency evaluation as it lowers PV temperature and collects heat energy. The current study aims to discover and analyze advanced thermal absorber design by comparing well-received spiral circular absorbers and non-cooled PV with proposed semi-circular thermal absorbers with varying flow configurations.
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