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Making Mo(0) a Competitive Alternative to Ir(III) in Phosphors and Photocatalysts.
J Am Chem Soc
January 2025
Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland.
Iridium is used in commercial light-emitting devices and in photocatalysis but is among the rarest stable chemical elements. Therefore, replacing iridium(III) in photoactive molecular complexes with abundant metals is of great interest. First-row transition metals generally tend to yield poorer luminescence behavior, and it remains difficult to obtain excited states with redox properties that exceed those of noble-metal-based photocatalysts.
View Article and Find Full Text PDFExpert navigators deploy rational complexity-based decision precaching for large-scale real-world planning.
Proc Natl Acad Sci U S A
January 2025
Institute of Behavioural Neuroscience, Department of Experimental Psychology, University College London, London WC1H 0AP, United Kingdom.
Efficient planning is a distinctive hallmark of intelligence in humans, who routinely make rapid inferences over complex world contexts. However, studies investigating how humans accomplish this tend to focus on naive participants engaged in simplistic tasks with small state spaces, which do not reflect the intricacy, ecological validity, and human specialization in real-world planning. In this study, we examine the street-by-street route planning of London taxi drivers navigating across more than 26,000 streets in London (United Kingdom).
View Article and Find Full Text PDFIn Vivo UV-Induced Fluorescence Spectroscopy of Skin in Parkinson's Disease.
Dokl Biol Sci
January 2025
Research Center of Neurology, Moscow, Russia.
Characteristic patterns of UV-induced skin autofluorescence were determined for patients with Parkinson's disease (PD) and associated with dysmetabolic alterations, such as nonenzymatic protein glycation, an increase in extracellular matrix stiffness, impaired metabolism of tissue fluorophores, mitochondrial dysfunction, and accumulation of aberrant proteins. Key differences in skin autofluorescence spectra were for the first time observed in PD, making it possible to discriminate between PD patients and healthy persons or individuals without signs of chronic neurodegeneration. Namely, skin fluorescence related to the reflected signal upon excitation with UV light at 375 nm was lower in PD patients.
View Article and Find Full Text PDFA complete sojourn on nanotechnological advancements and nanocarrier applications in psoriasis management.
Naunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Pharmaceutics, ISF College of Pharmacy, GT Road, Moga, 142001, Punjab, India.
Psoriasis, a chronic autoimmune and non-communicable skin disease, affects 2-3% of the global population, creating a significant financial burden on healthcare systems worldwide. Treatment approaches are categorized based on disease severity, with first-line therapy focusing on topical treatments and second-line therapy encompassing phototherapy, systemic therapy, and biological therapy. Transdermal drug delivery methods present a promising alternative by enhancing drug absorption through the skin, potentially improving therapeutic outcomes while minimizing systemic adverse effects.
View Article and Find Full Text PDFPhotocatalytic Three-Component Reductive Coupling Synthesis of -Difluorohomoallyl Secondary Amines.
J Org Chem
January 2025
Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China.
-Difluorohomoallyl amines, an important class of -difluoroalkenes, are prevalent moieties in many bioactive compounds. However, limited methods are suitable for the synthesis of this type of compound containing secondary amines. Here, we display a photocatalytic multicomponent protocol for the synthesis of -difluoroalkenes containing secondary amines, which makes use of readily available materials: arylamines, alkyl aldehydes, and α-trifluoromethyl alkenes.
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