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Respiratory and hematological physiology of day 15 chicken embryos (Gallus gallus domesticus) during water submergence and air recovery: Implications for bird embryos experiencing nest inundation.
Comp Biochem Physiol A Mol Integr Physiol
January 2025
Developmental Integrative Biology, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203, United States of America.
Bird nests of coastal or inland breeding birds can temporarily flood during high tides or storms. However, respiratory physiological disruption of such water submersion and implications for post-submergence survival are poorly understood. We hypothesized that respiratory physiological disturbances caused by submersion would be rapidly corrected following return to normal gas exchange across the eggshell, thus explaining survival of nest inundation in the field.
View Article and Find Full Text PDFIroning out differences in attenuation and blooming artifact in acute stroke thrombi.
Sci Rep
January 2025
Medical Physics, Clinic for Radiology, University of Münster and University Hospital of Münster, 48149, Münster, Albert-Schweitzer-Campus 1, Building A1, Germany.
This study aims to improve our understanding of acute ischemic stroke clot imaging by integrating CT attenuation information with MRI susceptibility signal of thrombi. For this proof-of-principle experimental study, fifty-seven clot analogs were produced using ovine venous blood with a broad histological spectrum. Each clot analog was analyzed to determine its RBC content and chemical composition, including water, Fe III, sodium, pH, and pO2.
View Article and Find Full Text PDFEvaluation and Improving the Quality of Arterial Blood Gas Interpretation Among Junior Doctors in Aswan University Hospital: A Clinical Audit.
Cureus
December 2024
Pulmonary Medicine, Aswan University Hospitals, Aswan, EGY.
Article Synopsis
- Arterial blood gas (ABG) analysis is crucial for diagnosing critical conditions in patients, and misinterpretation can lead to serious management issues.
- A study conducted at Aswan University Hospitals involved 273 healthcare professionals and assessed their ABG interpretation skills before and after targeted educational interventions over two weeks.
- Results indicated significant improvements, with accuracy in interpreting ABG results increasing from 71.8% to 90.2% and enhanced skills in identifying acid-base disturbances and distinguishing between respiratory and metabolic issues.
Predicting Composition Evolution for a Sulfuric Acid-Dimethylamine System from Monomer to Nanoparticle Using Machine Learning.
J Phys Chem A
January 2025
School of Vanadium and Titanium, Panzhihua University, Panzhihua, Sichuan 61700, China.
Experimental and theoretical studies on the compositional changes of new particle formation in the nucleation and initial growth stages of acid-base systems (2 and 5 nm) are extremely challenging. This study proposes a machine learning method for predicting the composition change of the sulfuric acid-dimethylamine system in the transformation from monomer to nanoparticle by learning the structure and composition information on small-sized sulfuric acid (SA)-dimethylamine (DMA) molecular clusters. Based on this method and changes in components, we found that the sulfuric acid-dimethylamine growth was mainly through the alternate adsorption of (SA)(DMA), (SA)(DMA), and (SA) clusters at the early stage of nucleation, which accounted for about 70, 20, and 10%, respectively.
View Article and Find Full Text PDFBackground: To evaluate the influence of sodium bicarbonate Ringer's solution (BRS) combined with positive end-expiratory pressure (PEEP) on the internal environment in patients who have undergone laparoscopic bariatric surgery.
Methods: A total of 128 patients undergoing laparoscopic bariatric surgery were randomly divided into the control group (group C), the PEEP group (group P), the BRS group (group B), and the BRS combined with the PEEP group (group BP). The results of arterial blood gas analysis, including pH value, base excess (BE), concentrations of electrolyte, and lactate (Lac) were documented before intravenous infusion (T0) and 5 min after the surgery (T1).
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