Results 31 to 40 of about 25,666 (269)

Severity of experimental escherichia-coli mastitis in ketonemic and nonketonemic dairy-cows. [PDF]

open access: yes, 1993
The severity of experimental Escherichia coli mastitis in relation to in vitro chemotaxis of polymorphonuclear leukocytes was investigated in cows during negative energy balance. The negative energy balance was induced by feed restriction.
Brand, A   +6 more
core   +1 more source

Ketone Body Metabolism in the Ischemic Heart

open access: yesFrontiers in Cardiovascular Medicine, 2021
Ketone bodies have been identified as an important, alternative fuel source in heart failure. In addition, the use of ketone bodies as a fuel source has been suggested to be a potential ergogenic aid for endurance exercise performance.
Stephen C. Kolwicz
doaj   +1 more source

Recent Trends in Metabolomics by NMR Spectroscopy

open access: yesAngewandte Chemie, EarlyView.
AI tools were applied to analyze more than 5 000 publications indexed in Scopus (2018–2025), identifying key trends and research directions in NMR‐based metabolomics. The artificial intelligence‐assisted workflow classified papers into six main fields of application, human health, food and nutrition, veterinary science, plants, environment, and ...
Giorgio Di Paco   +6 more
wiley   +2 more sources

Determination of 14C radioactivity in ketone bodies: a new, simplified method and its validation.

open access: yesJournal of Lipid Research, 1980
A rapid and reproducible method for the assay of 14C radioactivity in ketone bodies is described, based on the heat lability of acetoacetate and the ability of beta-hydroxybutyrate to quantitatively bind to and elute from an ion exchange resin. Potential
J M Miles   +3 more
doaj   +1 more source

An open-label, acute clinical trial in adults to assess ketone levels, gastrointestinal tolerability, and sleepiness following consumption of (R)-1,3-butanediol (Avela™)

open access: yesFrontiers in Physiology, 2023
Introduction: A study was undertaken to determine the acute effects of a beverage made with Avela™ (R)-1,3-butanediol, on blood beta-hydroxybutyrate (BHB) levels (using the Keto-Mojo monitor), gastrointestinal (GI) tolerability (using the modified visual
James Lowder   +4 more
doaj   +1 more source

Paraneoplastic hypoglycaemia secondary to IGF-2 secretion from a metastatic gastrointestinal stromal tumour [PDF]

open access: yes, 2020
We report the case of a 79-year-old male with previous history of non-Hodgkin's lymphoma in remission, who presented acutely to the Accident and Emergency department with recurrent episodes of hypoglycaemia.
Dimitriadis, Georgios K.   +9 more
core   +1 more source

Effects of energy and protein status on reproductive parameters and presence of subclinical ketosis in Brown Swiss cows postpartum [PDF]

open access: yesSPERMOVA, 2021
This study aimed to determine protein and energy metabolites in postpartum Brown Swiss cows and their effect on the presence of subclinical ketosis and reproductive parameters.
Ide Unchupaico Payano   +4 more
doaj   +1 more source

Occurrence of poly-beta-hydroxybutyrate in Spirulina species

open access: yesJournal of Bacteriology, 1990
Several strains of photoautotrophically grown Spirulina spp. contained poly-beta-hydroxybutyrate (PHB) at concentrations never exceeding a few milligrams per gram of dry weight. Under mixotrophic growth conditions in the presence of acetate, PHB reached values greater than 2.5% of dry weight. With pyruvate, no significant effect on PHB accumulation was
M, Vincenzini   +4 more
openaire   +3 more sources

Weight loss is proportional to increases in fasting serum beta-hydroxybutyrate concentrations in adults with severe obesity undergoing a meal replacement programme

open access: yesHuman Nutrition & Metabolism, 2023
Background: A better understanding of the influence of restricted dietary intake on circulating ketone concentrations might help to explain heterogeneity in the amount of weight lost in dietary interventions.
Francis Martin Finucane   +5 more
doaj   +1 more source

Simulated microgravity promotes the formation of tridimensional cultures and stimulates pluripotency and a glycolytic metabolism in human hepatic and biliary tree stem/progenitor cells [PDF]

open access: yes, 2019
Many pivotal biological cell processes are affected by gravity. The aim of our study was to evaluate biological and functional effects, differentiation potential and exo-metabolome profile of simulated microgravity (SMG) on human hepatic cell line (HepG2)
Alvaro, Domenico   +14 more
core   +2 more sources

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