نتایج جستجو برای: microdialysis.
تعداد نتایج: 3833 فیلتر نتایج به سال:
A copolymer-modified glass nanopore combined with microdialysis was used for assaying cerebral Aβ monomer and Zn 2+ . In the presence of monomer, copolymer stretched. Then, altered surface charges fluorescence.
in vivo microdialysis was used to study the effects of morphine on glutamate release from the ventral tegmentum area (vta) in freely moving rats. intraperitoneal (i.p.) injection of acute and repeated morphine at increasing doses significantly enhanced glutamate release. only a minor tolerance developed to this dosage of morphine. ap-s (2-amino-5-phosphonovaleric acid, 0.5 mg/kg i.p.), a nmda r...
In vivo microdialysis allows sampling of brain regions in conscious, freely moving animals. Moreover, the in vivo microdialysis allows to administer drugs directly into specific brain areas. Both are useful in behavioral studies. The subject of this review is the methodology of brain microdialysis, that is construction of the probe, effect of temperature, composition of the perfusion medium, pe...
microdialysis was used to measure the effect of benzodiazepines (bdzs) on basal levels and on stress-induced increases of 5 -hydroxytryptamine (5 -ht), 5 - hydroxyind oleacetic acid (5 -hiaa) , noradrenaline (na), and dihydroxyphenylacetic acid (dop ac). the stressors used were a 5 min tail pinch or a 10 min period of restraint. a subcutaneous injection of 5 mg/kg diazepam decreased basal level...
Microdialysis is a method by which compounds can be studied in the extracellular space in skin, in vivo. The microdialysis probe is inserted in the dermis using a guide cannula. It is expected that intradermal oedema associated with insertion trauma as well as the probe depth can influence the results of microdialysis studies. The aim of the present study was to assess the effects of insertion ...
The purpose of this study was to develop a sensitive and fast microdialysis coupled with high-performance liquid chromatographic (HPLC) method for determination of 5-hydroxymethyl-2-furaldehyde (5-HMF) in free-moving rats after i.g. administration of the aqueous extract of crud Fructus corni and its processed products of jiuzheng pin (JZP). The concentration of 5-HMF in free-movi...
Microdialysis (MD) can be used to study metabolism of the beating heart. We investigated whether microdialysis results obtained from epicardial (surface) sampling reflect acute changes in the same way as myocardial sampling from within the substance of the ventricular wall. In anaesthetized open-thorax pigs a coronary snare was placed. One microdialysis probe was placed with the sampling membra...
Exploring Extracellular Dopamine Concentration and Its Regulation on Dopamine Release by Voltammetry
Extracellular dopamine (DA) is critical in regulating DA release as well as interacting with other neurotransmission systems. Microdialysis and voltammetry are the major techniques for extracellular DA measurement in vivo. These two techniques provide distinct results due to their different detection volumes. Carbon fiber microelectrode is 10,000 times smaller than that of a microdialysis probe...
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