Abstract:
:To detect the release of nitric oxide (NO) in brain tissue, an electrochemical microprobe was developed. The output current of the probe correlated linearly with the NO concentration at the tip, and the sensitivity of the probe was between 3.5 and 106 pA per 1 microM change in NO concentration. This probe showed no sensitivity to oxygen or to oxidized derivatives of NO. The NO release from sodium nitroprusside solution was successfully detected by the probe. An NO probe inserted into the molecular layer of a rat cerebellar slice detected a response corresponding to 8-58 nM of NO concentration following electrical stimulation of the white matter. This response was blocked reversibly by tetrodotoxin (1 microM) and was attenuated in the medium containing hemoglobin (1 or 10 microM). The dependence of the response amplitude on the voltage at the cathode in the probe was the same as that of the NO-induced probe current. These results ensure that the NO probes developed in this study effectively detect the endogenous NO release in brain tissue.
journal_name
Neurosci Resjournal_title
Neuroscience researchauthors
Shibuki Kdoi
10.1016/0168-0102(90)90048-jsubject
Has Abstractpub_date
1990-09-01 00:00:00pages
69-76issue
1eissn
0168-0102issn
1872-8111pii
0168-0102(90)90048-Jjournal_volume
9pub_type
杂志文章abstract::Steroid hormones substantially influence brain development, reproduction sexual differentiation and emotion. These effects are mediated by steroid hormone receptors and cofactors, which directly regulate gene expression. Deciphering how and where these transcriptional activators occur in a cell provides the groundwork...
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journal_title:Neuroscience research
pub_type: 杂志文章,评审
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更新日期:2000-02-01 00:00:00
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journal_title:Neuroscience research
pub_type: 杂志文章
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doi:10.1016/s0168-0102(98)00042-x
更新日期:1998-07-01 00:00:00
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更新日期:2006-12-01 00:00:00
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journal_title:Neuroscience research
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更新日期:2000-08-01 00:00:00
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journal_title:Neuroscience research
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doi:10.1016/s0168-0102(97)00119-3
更新日期:1998-01-01 00:00:00
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更新日期:1997-12-01 00:00:00
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pub_type: 杂志文章,评审
doi:10.1016/j.neures.2011.07.1820
更新日期:2011-11-01 00:00:00
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journal_title:Neuroscience research
pub_type: 杂志文章
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更新日期:2005-12-01 00:00:00