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Unveiling the Origin of the Scale-Dependent Conductivity of Ni(HITP) Metal-Organic Framework Thin Films.
Small
January 2025
Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, 28049, Spain.
Conductive metal-organic frameworks (MOFs) are crystalline, intrinsically porous materials that combine remarkable electrical conductivity with exceptional structural and chemical versatility. This rare combination makes these materials highly suitable for a wide range of energy-related applications. However, the electrical conductivity in MOF-based devices is often limited by the presence of different types of structural disorder.
View Article and Find Full Text PDFDisruption of a potential disulfide bond of Cys65-Cys141 on the structure and stability of globin X from zebrafish.
Phys Chem Chem Phys
January 2025
School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
Globin X is a newly discovered member of the globin family, while its structure and function are not fully understood. In this study, we performed protein modelling studies using Alphafold3 and molecular dynamics simulations, which suggested that the protein adopts a typical globin fold, with the formation of a potential disulfide bond of Cys65 and Cys141. To elucidate the role of this unique disulfide in protein structure and stability, we constructed a double mutant of C65S/C141S by mutating the two cysteine residues to serine.
View Article and Find Full Text PDFCHOP-Mediated Disruption of Hippocampal Synaptic Plasticity and Neuronal Activity Contributes to Chronic Pain-Related Cognitive Deficits.
CNS Neurosci Ther
January 2025
Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China.
Objectives: Endoplasmic reticulum (ER) stress-induced protein homeostasis perturbation is a core pathological element in the pathogenesis of neurodegenerative diseases. This study aims to clarify the unique role played by C/EBP homologous protein (CHOP) as a biomarker of the unfolded protein response (UPR) in the etiology of chronic pain and related cognitive impairments following chronic constrictive nerve injury (CCI).
Methods: The memory capability following CCI was assessed utilizing the Morris water maze (MWM) and fear conditioning test (FCT).
Determination of the carrier temperature in weakly confined semiconductor nanocrystals using time-resolved optical spectroscopy.
Nanoscale
January 2025
Physics and Chemistry of Nanostructures, Ghent University, 9000 Ghent, Belgium.
Many applications of nanocrystals rely on their use in light detection and emission. In recent years, nanocrystals with more relaxed carrier confinement, including so-called 'bulk' and 2D implementations, have made their stake. In such systems, the charge carriers generated after (photo-)excitation are spread over a semi-continuous density of states, behaviour controlled by the carrier temperature .
View Article and Find Full Text PDFMolecular Balances as Physical Organic Chemistry Tools to Quantify Noncovalent Interactions.
Chemistry
January 2025
Institute of Chemical Research of Catalonia: Institut Catala d'Investigacio Quimica, -, Av. Països Catalans 16, 43007, Tarragona, SPAIN.
Noncovalent interactions are present in numerous synthetic and biological systems, playing an essential role in vital processes for life such as stabilization of proteins' structures or reversible binding in substrate-receptor complexes. Their study is relevant, but it presents challenges due to its inherent weak nature. In this context, molecular balances (MBs) are one of the most efficient physical organic chemistry tools to quantify noncovalent interactions, bringing beneficial knowledge regarding their nature and strength.
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