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Page 1 from 80 results
Orientation and dynamics of myosin heads in aluminum fluoride induced pre-power stroke states: an EPR study.
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We have determined the orientation and dynamics of the putative pre-power stroke crossbridges in skinned muscle fibers labeled with maleimide spin-label at Cys-707 of myosin. Orientation was measured using electron paramagnetic resonance (EPR) and mobility by saturation transfer EPR. The
Analysis of 18 F-Fluorodeoxyglucose and 18 F-Fluoride Positron Emission Tomography in Korean Stroke Patients with Carotid Atherosclerosis
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Objective: The objective of this study was to analyze uptake patterns and intensity of 18F-fluorodeoxyglucose (FDG) and 18F-sodium fluoride (NaF) radioligands in carotid atheroma among stroke patients according to
18F-Fluoride and 18F-Fluorodeoxyglucose Positron Emission Tomography After Transient Ischemic Attack or Minor Ischemic Stroke: Case-Control Study.
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BACKGROUND
Combined positron emission tomography (PET) and computed tomography (CT) can assess both anatomy and biology of carotid atherosclerosis. We sought to assess whether 18F-fluoride or 18F-fluorodeoxyglucose can identify culprit and high-risk carotid plaque.
RESULTS
We performed 18F-fluoride
Characterization of archaeal group II chaperonin-ADP-metal fluoride complexes: implications that group II chaperonins operate as a "two-stroke engine".
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Group II chaperonins, found in Archaea and in the eukaryotic cytosol, act independently of a cofactor corresponding to GroES of group I chaperonins. Instead, the helical protrusion at the tip of the apical domain forms a built-in lid of the central cavity. Although many studies on the lid's
Identification of Suspected Ruptured Atherosclerotic Plaque in Acute Ischemic Stroke on (18)F-Sodium Fluoride Positron Emission Tomography-Computed Tomography.
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Effect of commercial fluoride dentifrices against hydrochloric acid in an erosion-abrasion model.
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OBJECTIVE
This study assessed the effect of three commercial dentifrices with different fluoride-containing compounds in controlling the progression of dentin loss using an in vitro erosion-abrasion model.
METHODS
Dentin specimens were randomized into four groups (n = 10): control (no F), Elmex
Influence of buffering effects of dentifrices and fluoride gels on abrasion on eroded dentine.
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OBJECTIVE
Evaluation of abrasion resistance of eroded and non-eroded dentine brushed with experimental dentifrices and gels of varying buffering capacities.
METHODS
One hundred and twenty human dentine specimens were distributed among six groups (A-F) according to the different buffering capacities
Brushing abrasion of eroded bovine enamel pretreated with topical fluorides.
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Topical fluorides have been proposed for the prevention of erosive dental wear. This study evaluated the in vitro effect of a single professional application of 4% titanium tetrafluoride (TiF4), 1% amine fluoride (AmF) and 0.1% difluorosilane varnish (FV) in preventing wear due to combined erosion
Do fluoride toothpastes have similar preventive effect in permanent and deciduous teeth against erosive tooth wear?
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BACKGROUND
Little is known about fluoride toothpastes effect on deciduous teeth submitted to erosive tooth wear OBJECTIVES: To evaluate the preventive effect of different toothpastes on surface loss (SL) after severe erosion/abrasion model and to compare this effect between permanent (PT) and
Dentifrice fluoride and abrasivity interplay on artificial caries lesions.
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Incipient caries lesions on smooth surfaces may be subjected to toothbrushing, potentially leading to remineralization and/or abrasive wear. The interplay of dentifrice abrasivity and fluoride on this process is largely unknown and was investigated on three artificially created lesions with
Stability against brushing abrasion and the erosion-protective effect of different fluoride compounds.
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This study aimed to analyse the impact of brushing on the protective effect of different fluoride solutions on enamel and dentin erosion. Bovine enamel and dentin specimens were rinsed once with TiF4, AmF, SnF2 (0.5 M F, 2 min) or water (control). Specimens were either left unbrushed or brushed with
New insight of molecular imaging into the atheroma biology: (18)F-fluoride PET/CT and 18F-FDG PET/CT of 3 carotid plaques in a symptomatic neurologic patient.
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In a 75-year-old patient admitted with a middle cerebral artery stroke, a contrast-enhanced CT showed 3 atheroma plaques. Five days after the stroke, a F-fluoride PET/CT to evaluate calcification and, 24 hours later, a F-FDG PET/CT to evaluate inflammation were carried out. The different metabolic
Methanesulfonyl fluoride, an acetylcholinesterase inhibitor, attenuates simple learning and memory deficits in ischemic rats.
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Methanesulfonyl fluoride (MSF), a highly selective CNS inhibitor of acetylcholinesterase, has been recently demonstrated to promote improvement in cognitive performance in patients with senile dementia of Alzheimer type. Because a similar cognitive impairment may accompany stroke, we investigated in
An Update on [ 18 F]Fluoride PET Imaging for Atherosclerotic Disease
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Atherosclerosis is the leading cause of life-threatening morbidity and mortality, as the rupture of atherosclerotic plaques leads to critical atherothrombotic events such as myocardial infarction and ischemic stroke, which are the 2 most common causes of death worldwide. Vascular calcification is a
Influence of two different fluoride compounds and an in vitro pellicle on the amount of KOH-soluble fluoride and its retention after toothbrushing.
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OBJECTIVE
To determine the influence of two different fluoride compounds and an in vitro pellicle on KOH-soluble fluoride formation - its retention and resistance to toothbrushing.
METHODS
Forty bovine incisors were randomly assigned to four groups (A-D). Of five samples prepared per tooth, one
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