Simultaneous structure-activity determination of disulfiram photolysis products by on-line continuous-flow liquid secondary ion mass spectrometry and enzyme inhibition assay.

Simultaneous structure-activity determination of disulfiram photolysis products by on-line continuous-flow liquid secondary ion mass spectrometry and enzyme inhibition assay.
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在线连续流动液体二次离子质谱和酶抑制测定同时测定双硫仑光解产物的结构活性。

DOI:
10.1016/0021-9673(94)01101-j
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发表时间:
1995
期刊:
Journal of chromatography. A
影响因子:
--
通讯作者:
Naylor,S
Naylor,S
中科院分区:
--
文献类型:
--
作者:
Benson,LM;Veverka,KA;Mays,DC;Nelson,AN;Shriver,ZH;Lipsky,JJ;Naylor,S

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双硫仑(DSF)用于治疗戒酒者,通过抑制乙醛脱氢酶(ALDH)发挥作用。我们使用在线微孔 HPLC-连续流动液体二次离子质谱 (HPLC-CF-LSI-MS) 分析了 DSF 光化学衍生的产物混合物。通过利用 HPLC 柱后的溶剂流分流,将一小部分(约 5%)直接送入质谱仪,并收集剩余部分。随后可以同时进行 ALDH 的 MS 分析和酶抑制研究。此外,使用 HPLC-CF-LSI-MS-MS,我们能够对一种抑制 ALDH 的有趣的硫化合物进行结构表征。
Disulfiram (DSF) is used in the treatment of recovering alcoholics and exerts its effect by inhibiting the enzyme aldehyde dehydrogenase (ALDH). We analyzed a mixture of products derived photochemically from DSF with on-line microbore HPLC-continuous-flow liquid secondary ion mass spectrometry (HPLC-CF-LSI-MS). By utilizing the post-HPLC column split of solvent flow, a small proportion (ca. 5%) was sent directly into the mass spectrometer, and the remainder was collected. Simultaneous MS analysis and enzyme inhibition studies on ALDH were then possible. Furthermore, using HPLC-CF-LSI-MS-MS, we were able to structurally characterize an interesting sulfine compound that inhibited ALDH.
大鼠肝微粒体对含有硫代硫和硫醚的异生物质二乙基二硫代氨基甲酸酯进行 NADPH 依赖性、区域选择性 S 氧化。
DOI: --
发表时间: 1994
期刊: Drug metabolism and disposition: the biological fate of chemicals
影响因子: --
作者:
Madan,A;Faiman,MD
通讯作者: Faiman,MD
硫仑的光解:其双硫仑样反应的机制。
DOI: 10.1016/0006-2952(94)90590-8
发表时间: 1994
影响因子: 5.8
作者:
Mays,DC;Nelson,AN;Benson,LM;Johnson,KL;Naylor,S;Lipsky,JJ
通讯作者: Lipsky,JJ
连续流快速原子轰击质谱分析
DOI: --
发表时间: 1988
期刊:
影响因子: --
作者:
R. Caprioli
通讯作者: R. Caprioli