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| http://dx.doi.org/10.1093/plphys/kiaa107 | DOI Listing |
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Nanostructural and nanomechanical alterations of photosensitized lipid membranes due to light induced formation of reactive oxygen species.
Sci Rep
January 2025
Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary.
Photosensitization has a wide range of applications in vastly distant fields. Three key components must be present at the same time to trigger the related photodynamic effect: light, the photosensitizer (PS) and oxygen. Irradiating the sensitizer leads to the formation of reactive oxygen species (ROS).
View Article and Find Full Text PDFBIOCHEMICAL MARKERS OF MISCARRIAGE ASSOCIATED WITH THE INTRAPLACENTAL ACCUMULATION OF 137Cs.
Probl Radiac Med Radiobiol
December 2024
State Institution «Ukrainian Сenter of Maternity and Childhood of the National Аcademy of Мedical Sciences of Ukraine», 8 Platona Mayborody Str., Kyiv, 04050, Ukraine.
Unlabelled: The impact of the environment on human health in modern conditions cannot be underestimated. The study of thepathogenesis of disease is impossible without establishing the factors of destabilization of biological membranes.The article highlighted the problem of lipid peroxidation and antioxidant defense associated with the accumulationof radiocesium in the placenta.
View Article and Find Full Text PDFStudying the interfacial activity and structure of pulmonary surfactant complexes.
Chem Phys Lipids
January 2025
Department of Biochemistry and Molecular Biology, Faculty of Biology, and Research Institute "Hospital 12 de Octubre (imas12)", Complutense University, Madrid, Spain. Electronic address:
Pulmonary surfactant (PS) is a membranous complex that coats the respiratory air-liquid interface in air-breathing animal lungs. Its main function is to minimize the surface tension at the end of expiration, what is needed for preventing alveolar collapse. Although the tension reduction capabilities of surfactant depend on the formation of air-exposed phospholipid-enriched monolayers, the interfacial surfactant films are far from simple monolayers.
View Article and Find Full Text PDFRecent advances in solid-state nuclear magnetic resonance studies on membrane fusion proteins.
FEBS J
November 2024
State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China.
Article Synopsis
- * Solid-state NMR (SSNMR) spectroscopy is a powerful tool for studying the structures and dynamics of membrane fusion proteins while they are bound to membranes.
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Absorption of Polypropylene in Dipalmitoylphosphatidylcholine Membranes: The Role of Molecular Weight and Initial Configuration of Polymer Chains.
J Phys Chem B
October 2024
Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
We study by molecular dynamics simulations the absorption of polypropylene (PP) chains within a dipalmitoylphosphatidylcholine (DPPC) lipid membrane in aqueous solvent. DPPC represents the most abundant phospholipid in biological membranes, while PP is one of the most common synthetic polymers diffused in the anthropic environment. By following in detail the absorption process, and the corresponding structural modification undergone by the membrane, we show how the initial configuration and the PP molecular weight determine the overall behavior of the system.
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