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| http://dx.doi.org/10.1073/pnas.2318689121 | DOI Listing |
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Electrochemical Ammonia Synthesis at -Block Active Sites Using Various Nitrogen Sources: Theoretical Insights.
J Phys Chem Lett
January 2025
School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
Electrochemical nitrogen conversion for ammonia (NH) synthesis, driven by renewable electricity, offers a sustainable alternative to the traditional Haber-Bosch process. However, this conversion process remains limited by a low Faradaic efficiency (FE) and NH yield. Although transition metals have been widely studied as catalysts for NH synthesis through effective electron donation/back-donation mechanisms, there are challenges in electrochemical environments, including competitive hydrogen evolution reaction (HER) and catalyst stability issues.
View Article and Find Full Text PDFInterplay of Light, Melatonin, and Circadian Genes in Skin Pigmentation Regulation.
Pigment Cell Melanoma Res
January 2025
Department of Cell Biology and Anatomy, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada.
Circadian regulation of skin pigmentation is essential for thermoregulation, ultraviolet (UV) protection, and synchronization of skin cell renewal. This regulation involves both cell-autonomous photic responses and non-cell-autonomous hormonal control, particularly through melatonin produced in a light-sensitive manner. Photosensitive opsins, cryptochromes, and melatonin regulate circadian rhythms in skin pigment cells.
View Article and Find Full Text PDFImpact of Centralisation of Radical Prostatectomy Driven by the Introduction of Robotic Systems on Positive Surgical Margin and Biochemical Recurrence in pT2 Prostate Cancer.
Cancer Med
January 2025
Department of Urology, Queen Elizabeth University Hospital, Glasgow, UK.
Background: To assess how centralisation of cancer services via robotic surgery influenced positive surgical margin (PSM) occurrence and its associated risk of biochemical recurrence (BCR) in cases of pT2 prostate cancer (PC).
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Fructose-Driven glycolysis supports synaptic function in subterranean rodent - Gansu Zokor (Eospalax cansus).
Neuroscience
January 2025
Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, China; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, China; College of Life Science, Shaanxi Normal University, Xi'an, China. Electronic address:
Several studies indicate that fructose can be used as an energy source for subterranean rodents. However, how subterranean rodents utilize fructose metabolism with no apparent physiological drawbacks remains poorly understood. In the present study, we measured field excitatory postsynaptic potentials (fEPSPs) in hippocampal slices from Gansu zokor and SD rats hippocampi before and 60 min after replacement of 10 mM glucose in the artificial cerebrospinal fluid (ACSF) with 10 mM fructose (gassed with 95 % O and 5 % CO).
View Article and Find Full Text PDFMetabolism-driven chromatin dynamics: Molecular principles and technological advances.
Mol Cell
January 2025
Department of Genetics and Development and Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, NY 10032, USA. Electronic address:
Cells integrate metabolic information into core molecular processes such as transcription to adapt to environmental changes. Chromatin, the physiological template of the eukaryotic genome, has emerged as a sensor and rheostat for fluctuating intracellular metabolites. In this review, we highlight the growing list of chromatin-associated metabolites that are derived from diverse sources.
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