Measurement of endogenous Leucine enkephalin in canine caudate nuclei and hypothalami with high-performance liquid chromatography and field-desorption mass spectrometry.
Measurement of endogenous Leucine enkephalin in canine caudate nuclei and hypothalami with high-performance liquid chromatography and field-desorption mass spectrometry.
复制标题
用高效液相色谱和场解吸质谱法测量犬尾状核和下丘脑中的内源性亮氨酸脑啡肽。
DOI:
10.1016/0003-2697(82)90166-x
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发表时间:
1982
影响因子:
2.9
通讯作者:
Desiderio,DM
中科院分区:
文献类型:
--
作者:
Yamada,S;Desiderio,DM
For the first time, endogenous amounts of Leu-enkephalin are measured in brain tissue with a technique preserving integrity of the entire molecular structure of the neuropeptide. Field-desorption mass spectrometry enables measurement of picomole amounts of endogenous, chemically underivatized Leu-enkephalin in canine caudate nuclei and hypothalami. The optimal sensitivity and resolution of high-performance liquid chromatography is coupled with maximal molecular specificity of field-desorption mass spectrometry to measure enkephalins in caudate nuclei and hypothalami from dog brains. This novel combination of two recent instrumental methodologies provides a firm molecular basis for calibrating the radioimmunoassay measurement of endogenous levels of biologically active brain neuropeptides.
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