Gao Xuejiao J, Yan Jun, Zheng Jia-Jia, Zhong Shengliang, Gao Xingfa
College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, P. R. China.
Laboratory of Theoretical and Computational Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, P. R. China.
Adv Healthc Mater. 2023 Apr;12(10):e2202925. doi: 10.1002/adhm.202202925. Epub 2023 Jan 13.
Targeting tumor hydrogen peroxide (H O ) with catalytic materials has provided a novel chemotherapy strategy against solid tumors. Because numerous materials have been fabricated so far, there is an urgent need for an efficient in silico method, which can automatically screen out appropriate candidates from materials libraries for further therapeutic evaluation. In this work, adsorption-energy-based descriptors and criteria are developed for the catalase-like activities of materials surfaces. The result enables a comprehensive prediction of H O -targeted catalytic activities of materials by density functional theory (DFT) calculations. To expedite the prediction, machine learning models, which efficiently calculate the adsorption energies for 2D materials without DFT, are further developed. The finally obtained method takes advantage of both interpretability of physics model and high efficiency of machine learning. It provides an efficient approach for in silico screening of 2D materials toward tumor catalytic therapy, and it will greatly promote the development of catalytic nanomaterials for medical applications.
用催化材料靶向肿瘤过氧化氢(H₂O₂)为实体肿瘤的化疗提供了一种新策略。由于目前已经制备了大量材料,迫切需要一种高效的计算机模拟方法,能够从材料库中自动筛选出合适的候选材料进行进一步的治疗评估。在这项工作中,针对材料表面的类过氧化氢酶活性,开发了基于吸附能的描述符和标准。该结果能够通过密度泛函理论(DFT)计算全面预测材料对H₂O₂的靶向催化活性。为了加快预测速度,还开发了机器学习模型,该模型无需DFT即可高效计算二维材料的吸附能。最终获得的方法利用了物理模型的可解释性和机器学习的高效率。它为二维材料用于肿瘤催化治疗的计算机模拟筛选提供了一种有效方法,并将极大地促进用于医学应用的催化纳米材料的发展。
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