In Part I, work was done to develop a novel gradient chromatofocusing liquid chromatography-tandem mass spectrometry (MS/MS) technique for the determination of ionic compounds in biological matrix.

• 台湾原住民族群在传统上有酿酒自用的习俗。酒类饮料中的化学物质组成是品管的重要依据且影响了饮酒者的健康情形。甲醇与醛类是酒类饮料中已知的有毒物质。