Simultaneous determination of acylcarnitines, fatty acids, and amino acids by 3-nitrophenylhydrazine derivatization and ultra-high performance liquid chromatography/tandem mass spectrometry

J Chromatogr A. 2026 May 15;1782:467105. doi: 10.1016/j.chroma.2026.467105. Online ahead of print.ABSTRACTAcylcarnitines (ACs) play a pivotal role in metabolism, most notably by facilitating the transport of fatty acids (FAs) into mitochondria for β-oxidation, a key step in cellular energy productio

H Hamidreza Ardalani

The oscillatory biology of sleep: Linkage to dementia

Science. 2026 May 21;392(6800):821-826. doi: 10.1126/science.aeg2276. Epub 2026 May 21.ABSTRACTDuring wakefulness, neuromodulators operate largely independently to support behavior and cognition. By contrast, sleep reorganizes their activity into a coordinated brain rhythm. During sleep, the major n

M Maiken Nedergaard

Right Heart Diastology, Where Are We Now?

Circ Res. 2026 May 22;138(11):e327196. doi: 10.1161/CIRCRESAHA.125.327196. Epub 2026 May 21.ABSTRACTRight heart diastolic dysfunction is increasingly recognized as an early and prognostically relevant process in patients with pulmonary vascular disease, heart failure, and congenital heart disease, a

C Christopher J Kocx

Current state of knowledge on the epidemiology, aetiology, diagnosis, and management of heart involvement in eosinophilia. A Clinical Consensus Statement of the ESC Working Group on Myocardial & Pericardial Diseases

Eur J Heart Fail. 2026 May 21:xuag043. doi: 10.1093/ejhf/xuag043. Online ahead of print.ABSTRACTHeart involvement in eosinophilia represents a rare entity with substantial cardiac morbidity and mortality. This disorder is often overlooked and diagnosed in its advanced stages. In a subgroup of patien

P Petr Kuchynka