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Implementation of Brief Submaximal Cardiopulmonary Testing in a High-Volume Pre-surgical Evaluation Clinic: A feasibility study.
JMIR Perioper Med
January 2025
Yale University, School of Medicine, Department of Anesthesiology, 333 Cedar StreetTMP-3, New Haven, US.
Background: Precise functional capacity assessment is a critical component for preoperative risk stratification. Brief submaximal cardiopulmonary exercise testing (smCPET) has shown diagnostic utility in various cardiopulmonary conditions. Objective: The objective of this study was to determine if smCPET could be implemented in a high-volume pre-surgical evaluation clinic, and, when compared to structured functional capacity surveys, if smCPET could better discriminate low functional capacity (<4.
View Article and Find Full Text PDFEffect of FLASH dose-rate and oxygen concentration in the production of HOin cellular-like media versus water: a Monte Carlo track-structure study.
Phys Med Biol
January 2025
Department of Oncology Radiation, University of California San Francisco, 1600 Divisadero Street, Suite HM006, San Francisco, California, 94143, UNITED STATES.
To study the effect of dose-rate in the time evolution of chemical yields produced in pure water versus a cellular-like environment for FLASH radiotherapy research. A version of TOPAS-nBio with Tau-Leaping algorithm was used to simulate the homogenous chemistry stage of water radiolysis using three chemical models: 1) liquid water model that considered scavenging of eaq-, H● by dissolved oxygen; 2) Michaels & Hunt model that considered scavenging of ●OH, eaq-, and H● by biomolecules existing in cellular environment; 3) Wardman model that considered model 2) and the chemical repair enzyme glutathione (GHS). H2O2 concentrations at conventional and FLASH dose-rates were compared with published measurements.
View Article and Find Full Text PDFExploring the role of leaves distillation waste as a green inhibitor for carbon steel in acidic environment: an integrated study.
RSC Adv
December 2024
Laboratory Interface Materials Environment (LIME), Faculty of Sciences Ain Chock, Hassan II University of Casablanca B.P 5366 Morocco
In this study, the assessment of the leaves' co-product resulting from the hydrodistillation process was conducted to evaluate its anticorrosive potential for carbon steel in the hydrochloric acid medium. Phytochemical analysis of this biomass revealed its abundance in terms of polyphenols and flavonoids; hence the determination of total polyphenol content recorded a value of 75.4 mg GAE per g extract.
View Article and Find Full Text PDFPHARMACOKINETICS OF CEFTAZIDIME IN SIGNAL CRAYFISH () FOLLOWING A SINGLE DOSE.
J Zoo Wildl Med
December 2024
Department of Medicine & Epidemiology, Davis, CA 95616, USA,
Crustaceans are housed in zoos and aquariums and have also gained importance in the private sector and food industry. Shell lesions are common and often attributed to bacterial infections. However, few controlled studies have been performed evaluating antibiotics in crustaceans.
View Article and Find Full Text PDFModelling photosynthetic responses by day and night during initial water stress in Pulmonaria vallarsae.
Physiol Plant
December 2024
Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy.
The relationships between photosynthesis and initial water deficit stress were investigated by chlorophyll fluorescence analysis in Pulmonaria vallarsae, a shade tolerant, perennial C3 herb by following changes of light response curves (LRCs) in single leaves during water shortage. We devised an LRC model based on two interacting rectangular hyperbolae (DH model) for the low (H1) and the high irradiance regions (H2), characterized by two parameters: maximum extrapolated ETR (V1, V2) and half-saturation irradiance (K1, K2). While H1 is assumed to represent an ETR-related function, H2 may reflect Rubisco activity.
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