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Application of digital-movie-based flow colorimetry to hue-based end point detection of acid-base titration by feedback-based flow ratiometry using universal indicator.
Anal Sci
January 2025
Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan.
A digital-movie-based flow colorimetry for pH measurement using a universal indicator has been applied to the end point detection of acid-base titrations. A two-channel flow system of feedback-based flow ratiometry, primarily consisting of two peristaltic pumps, a digital microscope-based detector, and a laptop computer, was constructed; a Visual Basic.NET program written in-house was used for automating the analytical processes.
View Article and Find Full Text PDFThe study aimed to verify the physiological and metabolic parameters associated with the time to task failure (TTF) during cycling exercise performed within the severe-intensity domain. Forty-five healthy and physically active males participated in two independent experiments. In experiment 1, after a graded exercise test, participants underwent constant work rate cycling efforts (CWR) at 115% of peak power output to assess neuromuscular function (Potentiated twitch) pre- and post-exercise.
View Article and Find Full Text PDFRespiratory 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.
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