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An evaporite sequence from ancient brine recorded in Bennu samples.
Nature
January 2025
Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA.
Evaporation or freezing of water-rich fluids with dilute concentrations of dissolved salts can produce brines, as observed in closed basins on Earth and detected by remote sensing on icy bodies in the outer Solar System. The mineralogical evolution of these brines is well understood in regard to terrestrial environments, but poorly constrained for extraterrestrial systems owing to a lack of direct sampling. Here we report the occurrence of salt minerals in samples of the asteroid (101955) Bennu returned by the OSIRIS-REx mission.
View Article and Find Full Text PDFFrozen versus fresh embryo transfer in women with low prognosis for in vitro fertilisation treatment: pragmatic, multicentre, randomised controlled trial.
BMJ
January 2025
State Key Laboratory of Reproductive Medicine and Offspring Health, Centre for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, China
Objective: To test the hypothesis that a freeze-all strategy would increase the chance of live birth compared with fresh embryo transfer in women with low prognosis for in vitro fertilisation (IVF) treatment.
Design: Pragmatic, multicentre, randomised controlled trial.
Setting: Nine academic fertility centres in China.
The role of fear and dopamine-striatal pathways in grooming.
Neuropharmacology
January 2025
School of Psychological Sciences, The University of Haifa, Haifa, Israel; The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel. Electronic address:
Fear is a fundamental emotion that triggers rapid and automatic behavioral response. Fear is known to suppress reward-seeking behaviors, interrupt previous activities to prioritize defensive responses and lead to rapid switch to defensive reactions. Dopamine (DA) plays a complicated role in the choice and performance of actions and it has a potential interaction of innate actions with the presence of fear.
View Article and Find Full Text PDFAP39, a novel mitochondria-targeted hydrogen sulfide donor, promotes cutaneous wound healing in an in vivo murine model of acute frostbite injury.
Biomed Pharmacother
January 2025
Department of Surgery, Division of Urology, London Health Sciences Center, Western University, London, Ontario, Canada; Matthew Mailing Center for Translational Transplant Studies, London Health Sciences Center, Western University, London, Ontario, Canada; Multi-Organ Transplant Program, London Health Sciences Center, Western University, London, Ontario, Canada; Department of Microbiology & Immunology, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada. Electronic address:
Frostbite injury refers to cold tissue injury which typically affects the peripheral areas of the body, and is associated with limb loss and high rates of morbidity. Historically, treatment options have been limited to supportive care, leading to suboptimal outcomes for affected patients. The pathophysiology of frostbite injury has been understood in recent years to share similarity with that of cold ischemia-reperfusion injury as seen in solid organ transplantation, of which mitochondria play an important contributing role.
View Article and Find Full Text PDFStability of antipsychotic biomarkers for wastewater-based epidemiology.
J Pharm Biomed Anal
January 2025
Jožef Stefan Institute, Jamova 39, Ljubljana 1000, Slovenia; Jožef Stefan International Postgraduate School, Jamova 39, Ljubljana 1000, Slovenia. Electronic address:
Wastewater-based epidemiology (WBE) offers a promising approach by providing objective data on antipsychotic drug consumption within a population that can be used to monitor abuse, misuse, and regional prescription patterns. However, accurate estimations depend on knowing the stability of drug biomarkers. This study provides a comprehensive analysis of the stability of 11 antipsychotic biomarkers (parent drugs and their metabolites) in influent wastewater, using a series of experiments mimicking in-sewer transport (in-sewer setup and deconjugation) and in-sample stability (benchtop, frozen cartridge, long-term sample storage, and freeze-thaw).
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