Results 71 to 80 of about 24,812 (221)

Distinctive neurophysiological correlates of sound onset and offset perception in humans

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Electroencephalography (EEG) recordings were obtained from participants listening to successive pairs of 1‐2 s noises in a silent background (Study 1) or successive pairs 1‐2 s silent gaps in a noise background (Study 2). Participants heard the same stimuli in the context of either a duration discrimination task (identifying ...
Fatima Ali   +3 more
wiley   +1 more source

Excretion of Barbiturates into Induced Parotid Saliva of the Rat

open access: yes, 1976
Anesthetic doses of barbiturates administered to rats were excreted into the parotid saliva. Plasma-saliva concentration ratios were compared to several physicochemical parameters-lipid-water partition coefficient (L/W), degree of ionization, and plasma
B.T. Nagle   +2 more
core   +1 more source

Barbiturates for acute traumatic brain injury. [PDF]

open access: yes, 2012
BACKGROUND: Raised intracranial pressure (ICP) is an important complication of severe brain injury, and is associated with high mortality. Barbiturates are believed to reduce ICP by suppressing cerebral metabolism, thus reducing cerebral metabolic ...
Roberts, Ian, Sydenham, Emma
core   +1 more source

Integrated Phytochemical Characterisation, Pharmacological Evaluation and Computational Investigation of Acampe papillosa Stem Extract

open access: yesAnalytical Science Advances, Volume 7, Issue 2, December 2026.
The pharmacological potential of the methanolic stem extract of Acampe papillosa is evaluated using in vivo and in silico approaches. The extract demonstrates significant anxiolytic, sedative, anti‐inflammatory, and antipyretic activities in experimental models, while molecular docking supports the observed biological effects through favorable ...
Qurratul Ain Sadia   +10 more
wiley   +1 more source

Estimation of barbiturates by quantitative thin-layer chromatography

open access: yes, 1965
A method for separating and analysing quantitatively, mixtures of barbiturates by thin-layer chromatography is described. The barbiturates are eluted from the silica gel and coupled with mercury which is then estimated by dithizone.
L G Chatten, J C Morrison
core   +1 more source

Association Between Spinal Manipulation, Butalbital Prescription, and Medication Overuse Headache in Adults With Tension‐Type Headache: Retrospective Cohort Study

open access: yesHealth Science Reports
Background and Aims Butalbital is an acute headache medication commonly prescribed for tension‐type headache (TTH), although discouraged by guidelines due to a risk of medication overuse headache (MOH).
Robert J. Trager   +3 more
doaj   +1 more source

Synthesis, X-Ray Crystal Structures, Biological Evaluation, and Molecular Docking Studies of a Series of Barbiturate Derivatives

open access: yesJournal of Chemistry, 2016
A series of barbiturates derivatives synthesized and screened for different set of bioassays are described. The molecular structures of compounds 5a, 5d, and 5f were solved by single-crystal X-ray diffraction techniques. The results of bioassay show that
Assem Barakat   +9 more
doaj   +1 more source

Acute Pain During Intensive Care: Prevalence, Predisposing Factors and Pain Trajectories. A Prospective Multicenter Observational Study

open access: yesActa Anaesthesiologica Scandinavica, Volume 70, Issue 9, October 2026.
ABSTRACT Background A considerable proportion of patients in the intensive care unit (ICU) experience pain. The objective of this prospective observational cohort study was to investigate the prevalence of pain, factors associated with pain and pain trajectories in ICU patients.
Aleksandra E. Wlodarczyk‐Abou Elseoud   +7 more
wiley   +1 more source

Evolution of Pharmacologic Induction of Burst Suppression in Adult TBI: Barbiturate Coma Versus Modern Sedatives

open access: yesClinical and Translational Neuroscience
Background: Severe traumatic brain injury (TBI) often leads to elevated intracranial pressure (ICP) that requires aggressive management. Inducing burst suppression with deep sedation is an established therapy for refractory intracranial hypertension ...
Đula Đilvesi   +3 more
doaj   +1 more source

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