Dimei Hu, Lulu Yu, Zijian Wei, Lingpeng Zhan, Peiqi Luo
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引用次数: 0
摘要
新型无机非金属材料碳化硼（B4C）被应用于纸喷雾电离，以负离子和正离子模式分析有机分子。使用 B4C 后，包括双酚和药物在内的各种分子的信号响应明显增强了约 2 到 4 倍。双酚 AF 和尼罗替尼标准溶液的检测限（LOD）可分别达到 1 和 0.5 μg/mL。此外，双酚 AF 在 1-100 μg/mL 的浓度范围内呈线性关系，相关系数很高。在未进行任何预处理的情况下，对污水处理厂进水口和出水口水样中的双酚 AF 进行了回收实验，最高回收率达 98.8%，RSD 低于 9.78%。
B4C-Assisted Paper Spray Ionization Mass Spectrometry
A novel inorganic nonmetallic material boron carbide (B4C) was applied in paper spray ionization to analyze organic molecules in both negative and positive modes. The utilization of B4C has led to a notable enhancement in signal responses for various molecules, including bisphenols and drugs, by approximately two to four times. The limit of detection (LOD) of bisphenol AF and nilotinib standard solutions can reach 1 and 0.5 μg/mL, respectively. Moreover, linear relationships for bisphenol AF was established within the concentration range of 1–100 μg/mL, exhibiting strong correlation coefficients. Recovery experiments for BPAF in water samples from the inlet and outlet of a sewage treatment plant, conducted without any pretreatment, achieved a maximum recovery rate of 98.8% and an RSD below 9.78%.
期刊介绍：
The Journal of Mass Spectrometry publishes papers on a broad range of topics of interest to scientists working in both fundamental and applied areas involving the study of gaseous ions.
The aim of JMS is to serve the scientific community with information provided and arranged to help senior investigators to better stay abreast of new discoveries and studies in their own field, to make them aware of events and developments in associated fields, and to provide students and newcomers the basic tools with which to learn fundamental and applied aspects of mass spectrometry.
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