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Xanthomatous hypophysitis relapsing and remitting over two decades.
Pract Neurol
January 2025
Neurology, University of Birmingham Institute of Immunology and Immunotherapy, Birmingham, UK.
Inflammation of the pituitary gland can be primary (without another underlying cause) or secondary (associated with a systemic inflammatory condition). Primary hypophysitis is very rare, among which xanthomatous hypophysitis as a histological type is extremely unusual. A woman in her late 50s presented with recurrent pituitary lesions over 20 years.
View Article and Find Full Text PDFHydE Catalytic Mechanism Is Powered by a Radical Relay with Redox-Active Fe(I)-Containing Intermediates.
J Am Chem Soc
January 2025
Department of Chemistry, University of California Davis, Davis, California 95616, United States.
[FeFe]-hydrogenases are enzymes that catalyze the redox interconversion of H and H using a six-iron active site, known as the H-cluster, which consists of a structurally unique [2Fe] subcluster linked to a [4Fe-4S] subcluster. A set of enzymes, HydG, HydE, and HydF, are responsible for the biosynthesis of the [2Fe] subcluster. Among them, it is well established that HydG cleaves tyrosine into CO and CN and forms a mononuclear [Fe(II)(Cys)(CO)(CN)] complex.
View Article and Find Full Text PDFRhythmic EEG patterns: The oldest idea in the EEG world, but without an obvious definition.
Clin Neurophysiol
January 2025
Epilepsy and EEG Unit, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA.
The word "rhythmic" was quickly introduced in the vocabulary of the electroencephalographers with the discovery of the alpha rhythm and typical discharges of spike-and-waves at 3 Hz in childhood absence epilepsy, but without any definition until recently. In its last revision (2017), the International Federation of Clinical Neurophysiology proposed a specific definition. The word "rhythmic" is "applied to regular waves occurring at a constant period and of relatively uniform morphology.
View Article and Find Full Text PDFHydrosilylation of porous silicon: Unusual possibilities and potential challenges.
Adv Colloid Interface Sci
January 2025
Department of Biological Science and Technology, China Medical University, Taiwan. Electronic address:
Among the many types of surface modifications on porous silicon (pSi), hydrosilylation stands out to be an important approach due to the formation of highly stable surface linkage through Si-C bonding. Since its conceptualization in 1998, hydrosilylation had gradually gained popularity for pSi surface modifications and had become an important approach for stabilizing pSi surfaces especially for biological applications. Over the past decade, significant advancements have been made in the hydrosilylation process for modifying porous silicon (pSi) surfaces.
View Article and Find Full Text PDFAssociation of multidimensional schizotypy with cognitive-behavioral disorganization in daily life: An experience sampling methodology study.
Personal Disord
January 2025
Department of Psychology, University of Illinois at Urbana-Champaign.
Schizotypy is a multidimensional construct that is composed of positive, negative, and disorganized dimensions. Historically, disorganized schizotypy, which involves disruptions in thoughts, speech, behavior, and affect, has been relatively understudied and less clearly operationalized than the other dimensions. The present study employed experience sampling methodology to examine the associations of positive, negative, and disorganized schizotypy, as measured by the Multidimensional Schizotypy Scale, with daily life experiences.
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