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Atmospheric air plasma pre-activation and customizable covalent functionalization of PVDF-membranes of microtiter filter plates.
Sci Rep
January 2025
Department of Pharmaceutical Chemistry, Semmelweis University, Hőgyes Endre U. 9, 1092, Budapest, Hungary.
Microtiter-plate-based systems are unified platforms of high-throughput experimentation (HTE). These polymeric devices are used worldwide on a daily basis-mainly in the pharmaceutical industry-for parallel syntheses, reaction optimization, various preclinical studies and high-throughput screening methods. Accordingly, laboratory automation today aims to handle these commercially available multiwell plates, making developments focused on their modifications a priority area of modern applied research.
View Article and Find Full Text PDFHigh-temperature structural disorders stabilize hydrous aluminosilicates in the mantle transition zone.
Nat Commun
January 2025
Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
Hydrous aluminosilicates are important deep water-carriers in sediments subducting into the deep mantle. To date, it remains enigmatic how hydrous aluminosilicates withstand extremely high temperatures in the mantle transition zone. Here we systematically investigate the crystal structures and chemical compositions of typical hydrous aluminosilicates using single-crystal X-ray diffraction, electron probe microanalyzer, and nanoscale secondary ion mass spectrometry.
View Article and Find Full Text PDFDiscordance in acute gastrointestinal toxicity between synchrotron-based proton and linac-based electron ultra-high dose rate irradiation.
Int J Radiat Oncol Biol Phys
January 2025
Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA; The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences, Houston, Texas, USA. Electronic address:
Purpose: Proton FLASH has been investigated using cyclotron and synchrocyclotron beamlines but not synchrotron beamlines. We evaluated the impact of dose rate (ultra-high [UHDR] vs. conventional [CONV]) and beam configuration (shoot-through [ST] vs.
View Article and Find Full Text PDFDirect analysis of engineered iron nanotubes and platinum nanorods: A challenge for single particle inductively coupled plasma mass spectrometry.
Talanta
January 2025
Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain; Health Research Institute of the Principality of Asturias (ISPA), Avda. Hospital Universitario s/n, 33011, Oviedo, Spain. Electronic address:
The use of inductively coupled plasma mass spectrometry in single particle mode (SP-ICP-MS) for the characterization of micro and nanostructured materials is a growing field of research. In this work, the possibility of expanding the boundaries to anisotropic structures including solid Pt-nanorods and hollowed FeO-nanotubes is presented. The obtained structures are evaluated by scanning electron microscopy (SEM), high-resolution electron microscopy (HR-TEM) and SP-ICP-MS techniques.
View Article and Find Full Text PDFContribution of Nuclear Fragmentation to Dose and RBE in Carbon-Ion Radiotherapy.
Radiat Res
January 2025
Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota.
Variable relative biological effectiveness (RBE) of carbon radiotherapy may be calculated using several models, including the microdosimetric kinetic model (MKM), stochastic MKM (SMKM), repair-misrepair-fixation (RMF) model, and local effect model I (LEM), which have not been thoroughly compared. In this work, we compared how these four models handle carbon beam fragmentation, providing insight into where model differences arise. Monoenergetic and spread-out Bragg peak carbon beams incident on a water phantom were simulated using Monte Carlo.
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