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Introduction: Solitary plasmacytomas are tumors characterized by a local increase of malignant plasma cells in soft tissue or bone and may occur anywhere without evidence of systemic disease. The aim was to focus on the main surgical techniques and outcomes for this rare chest wall tumor.
Methods: Patients with solitary plasmacytoma involving a rib, who were operated for diagnostic or treatment purposes between 2018 and 2023 were retrospectively reviewed.
Life sets off a cascade of machines.
Proc Natl Acad Sci U S A
January 2025
Center for Physics and Biology, Rockefeller University, New York, NY 10065.
Life is invasive, occupying all physically accessible scales, stretching between almost nothing (protons, electrons, and photons) and almost everything (the whole biosphere). Motivated by seventeenth-century insights into this infinity, this paper proposes a language to discuss life as an infinite double cascade of machines making machines. Using this simplified language, we first discuss the micro-cascade proposed by Leibniz, which describes how the self-reproducing machine of the cell is built of smaller submachines down to the atomic scale.
View Article and Find Full Text PDFSemiconducting Overoxidized Polypyrrole Nano-Particles for Photocatalytic Water Splitting.
Small
January 2025
UMR 8182, CNRS, Institut de Chimie Moléculaires et des Matériaux d'Orsay, Université Paris-Saclay, Orsay, 91405, France.
Capturing sunlight to fuel the water splitting reaction (WSR) into O and H is the leitmotif of the research around artificial photosynthesis. Organic semiconductors have now joined the quorum of materials currently dominated by inorganic oxides, where for both families of compounds the bandgaps and energies can be adjusted synthetically to perform the Water Splitting Reaction. However, elaborated and tedious synthetic pathways are necessary to optimize the photophysical properties of organic semiconductors.
View Article and Find Full Text PDFRegulating Charge Distribution in Porphyrin-Based Polymer for Achieving Photocatalytic CO Conversion to CH or CH.
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January 2025
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
The photocatalytic conversion of CO into products such as CH and CH poses a significant challenge due to the lengthy reaction steps and the high energy barrier involved. In this study, both benzothiadiazole (BTD) and hydroxyl groups (-OH) are introduced into cobalt-based polymerized porphyrinic network (PPN) through a C-C coupling reaction. This modification of orbital energy levels that strengthens the ability of gain electrons and facilitates the charge transfer in PPN.
View Article and Find Full Text PDFEducational attainment, Aβ, tau, and structural brain reserve in Alzheimer's disease.
Alzheimers Dement
January 2025
Institute of Neurological and Psychiatric Disorders, Shenzhen Bay Laboratory, Shenzhen, China.
Introduction: Alzheimer's disease (AD) patients with higher educational attainment (EA) often exhibit better cognitive function. However, the relationship among EA status, AD pathology, structural brain reserve, and cognitive decline requires further investigation.
Methods: We compared cognitive performance across different amyloid beta (Aβ) positron emission tomography (A ±) statuses and EA levels (High EA/Low EA).
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