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Machine Learning-Based Retention Time Prediction Tool for Routine LC-MS Data Analysis

delete2025-07-16
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PRE
AI
S
Sofiia A. Dymura
O
Oleksandr Viniichuk
K
Kostiantyn P. Melnykov
D
Dmytro S. Radchenko
O
Oleksandr O. Grygorenko *
DOI:10.1021/acs.jcim.5c00514delete
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摘要

摘要

En 中文
准确的保留时间(RT)预测模型可以显著提高广泛应用于化学合成中的液相色谱-质谱(LC-MS)数据分析。作为每年在Enamine进行的数十万次合成,大量实验数据已内部生成。本文介绍了基于GATv2Conv + DL图神经网络(NN)架构的RT预测模型开发,该模型使用内部数据训练,并进一步使用METLIN SMRT数据集进行评估。最终模型在120 s的LC-MS方法上实现了2.48 s的平均绝对误差(MAE)。我们还对RT预测误差进行了详细分析,并确定RT – 7.12 s和RT + 9.58 s之间的区间包含了超过95%的数据。开发的模型已成功集成到现有的内部LC-MS分析工具包中,增强了其预测和分析能力。此外,我们已发布了一个经过筛选的内部数据集子集,包含20,000个数据点,以支持社区基准测试和进一步研究。
Keyword:
retention time prediction
graph neural network
liquid chromatography–mass spectrometry
GATv2Conv
MAE evaluation

期刊

Journal of Chemical Information and Modeling 封面图
Journal of Chemical Information and Modeling
IF:
5.3
论文数:
9.2K
被引数:
4.0W

机构

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