4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals,Analyst

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4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals
Analyst ( IF 3.6 ) Pub Date : 2021-1-28 , DOI: 10.1039/d1an00022e
Qianqian Sun _{1,

2,

3,

4,

5} , Shasha Zhang _{1,

2,

3,

4,

5} , Weini Huang _{1,

2,

3,

4,

5} , Ran Wang _{1,

2,

3,

4,

5} , Zihan Chen _{1,

2,

3,

4,

5} , Zongwei Cai _{6,

7,

8,

9,

10} , Zian Lin _{1,

2,

3,

4,

5}

Affiliation

4-Mercaptobenzoic acid (MBA) is introduced as a matrix for laser desorption/ionization time-of-flight mass spectrometry (MS) analysis of metals, exhibiting matrix-interference-free background, greatly enhanced MS signal intensity, and excellent reproducibility. The developed method was successfully extended for the rapid screening and sensitive determination of ultratrace metals in fine particulate matter (PM_2.5).

中文翻译：

4-巯基苯甲酸作为MALDI基质用于金属的高灵敏度分析

引入4-巯基苯甲酸（MBA）作为用于金属的激光解吸/电离飞行时间质谱（MS）分析的基质，具有无基质干扰的背景，大大增强了MS信号强度，并具有出色的重现性。所开发的方法已成功地扩展到了快速筛查和灵敏测定细颗粒物质（PM _2.5）中超痕量金属的方法。

更新日期：2021-02-10

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