acetone/stroke

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A rare case of fatal stroke after ethylene glycol toxicity.

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A 58-year-old man presented to the emergency department with acute left-sided weakness and left visual field defect. His examination was significant for confusion, acetone odour, tachycardia and tachypnoea. Further blood tests revealed an anion gap of 31 mEq/L, serum osmolal gap of 34 mOsm/kg, and

Emissions of aldehydes and ketones from a two-stroke engine using ethanol and ethanol-blended gasoline as fuel.

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Besides aliphatic gasoline, ethanol-blended gasoline intended for use in small utility engines was recently introduced on the Swedish market. For small utility engines, little data is available showing the effects of these fuels on exhaust emissions, especially concerning aldehydes and ketones

Measurement of plasma endothelin-1 in experimental hypertension and in healthy subjects.

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BACKGROUND Endothelin-1 is an endothelium-derived potent vasoconstrictor peptide of 21 amino acids. To establish reference values in different models of hypertension and in human subjects an assay for plasma immunoreactive endothelin-1 (ET-1) was optimized. METHODS ET-1 is extracted by acetone from

Bilateral central pain sensitization in rats following a unilateral thalamic lesion may be treated with high doses of ketamine.

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BACKGROUND Central post-stroke pain is a neuropathic pain condition caused by a vascular lesion, of either ischemic or hemorrhagic origin, in the central nervous system and more precisely involving the spinothalamocortical pathway responsible for the transmission of painful sensations. Few animal

Volatile organic profiles and photochemical potentials from motorcycle engine exhaust.

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This study surveyed emissions from 2- and 4-stroke new and in-use motorcycles. Emission tests were carried out on a dynamometer following the designated test procedure of the Economic Commission for Europe (ECE). Samples were derived during various driving stages, which included idle, acceleration,

Assessment of the polyphenolic composition of the organic extracts of Mauritian black teas: a potential contributor to their antioxidant functions.

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There is increasing interest in the emerging view that tea improves the antioxidant status in vivo and thereby helps to lower risk of certain types of cancer, coronary heart disease and stroke and its component biofactors could provide prophylactic potential for these diseases. The polyphenolic

Trimetallic Ag@AuPt Neapolitan nanoparticles.

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Trimetallic Ag@AuPt Neapolitan nanoparticles were prepared by two sequential galvanic exchange reactions of 1-hexanethiolate-capped silver nanoparticles (AgC6, 5.70 ± 0.82 nm in diameter) with gold(I)-thiomalic acid (Au(I)TMA) and platinum(II)-hexanethiolate (Pt(II)C6) complexes. The first reaction

Self-plied and twist-stable carbon nanotube yarn artificial muscles driven by organic solvent adsorption.

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Artificial yarn/fiber muscles have recently attracted considerable interest for various applications. These muscles can provide large-stroke tensile and torsional actuations, resulting from inserted twists. However, tensional tethering of twisted muscles is generally needed to avoid muscle snarling

Synthesis, Molecular Modeling of Novel Substituted Pyridazinones and Their Vasorelaxant activities.

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Hypertension, one of the most common cardiovascular diseases that can cause coronary disease, stroke, myocardial infarction and sudden death, it is the major contributor to cardiac failure as well as renal insufficiency.As there are many cardio-active

[Weak chemiluminescence from infarcted rat brain and basic studies on the generation of chemiluminescence].

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Chemiluminescence measurement in vivo system and its related studies on free radical reaction were reported. Weak chemiluminescence from rat brain surface subjected to ischemic cerebral stroke could be detected. It was observed just after embolization and lasted at least four hours. In order to

Laser-induced fluorescence of ketones at elevated temperatures for pressures up to 20 bars by using a 248 nm excitation laser wavelength: experiments and model improvements.

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Laser-induced fluorescence of acetone and 3-pentanone for a 248 nm excitation wavelength was investigated for conditions relevant for internal combustion engines regarding temperature, pressure, and gas composition. An optically accessible calibration chamber with continuous gas flow was operated by

Pain tests provoke modality-specific cardiovascular responses in awake, unrestrained rats.

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Nociception modulates heart rate (HR) and mean arterial pressure (MAP), suggesting their use of HR and MAP as indicators of pain in animals. We explored this with telemetric recording in unrestrained control and neuropathic (spinal nerve ligation) rats. Plantar stimulation was performed emulating

NMR metabolomic study of blood plasma in ischemic and ischemically preconditioned rats: an increased level of ketone bodies and decreased content of glycolytic products 24 h after global cerebral ischemia.

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Cardiac arrest is one of the leading causes of death among adults in older age. Understanding mechanisms how organism responds to ischemia at global level is essential for the prevention and ischemic patient's treatment. In this study, we used a global cerebral ischemia induced by four-vessel

Protective Effects of a New C-Jun N-terminal Kinase Inhibitor in the Model of Global Cerebral Ischemia in Rats.

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c-Jun N-terminal kinase (JNK) is activated by various brain insults and is implicated in neuronal injury triggered by reperfusion-induced oxidative stress. Some JNK inhibitors demonstrated neuroprotective potential in various models, including cerebral ischemia/reperfusion injury. The objective of

Instant effects of changing body positions on compositions of exhaled breath.

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Concentrations of exhaled volatile organic compounds (VOCs) may depend not only on biochemical or pathologic processes but also on physiological parameters. As breath sampling may be done in different body positions, effects of the sampling position on exhaled VOC concentrations were investigated by

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