剥离 MXene 作为一种介质，用于各种分析物的高效激光解吸/电离质谱分析。
Exfoliated MXene as a mediator for efficient laser desorption/ionization mass spectrometry analysis of various analytes.
机构信息
Institute of Advanced Composite Materials, Korea Institute of Science and Technology, 92 Chudong-ro, Bongdong-eup, Wanju-gun, Jeonbuk, 55324, South Korea; Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea.
Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul, 01897, South Korea.
出版信息
Talanta. 2020 Mar 1;209:120531. doi: 10.1016/j.talanta.2019.120531. Epub 2019 Nov 3.
The exfoliated MXene (e-MXene) is systematically investigated as a mediator for laser desorption/ionization time-of-flight mass spectrometry (LDI-MS) analysis. Whereas un-exfoliated MXene has no activity for LDI-MS analysis, the e-MXene presents a high resolution, salt-tolerance and efficiency for LDI-MS analysis of various small molecules regardless of their polarity, aromaticity and molecular weight owing to its physicochemical properties such as high laser energy absorption, electrical conductivity and photothermal conversion. Based on our findings, it is clearly confirmed that e-MXene is a promising material for the development of an efficient platform for LDI-MS analysis of small molecules.
被剥离的 MXene（e-MXene）被系统地研究作为激光解吸/电离飞行时间质谱（LDI-MS）分析的介体。虽然未剥离的 MXene 对 LDI-MS 分析没有活性，但由于其高激光能量吸收、导电性和光热转换等物理化学性质，e-MXene 对各种小分子的 LDI-MS 分析具有高分辨率、耐盐性和效率，而不管其极性、芳香性和分子量如何。基于我们的发现，可以清楚地证实 e-MXene 是开发用于小分子 LDI-MS 分析的高效平台的有前途的材料。
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