关于WSi12超原子作为药物载体的潜力:一个DFT研究
Bin Liu1, Jia-Chen Zhang1,2, Ya-Ling Ye1,3
1Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, The School of Pharmacy, Fujian Medical University, Fuzhou 350108, People's Republic of China. sunwm@fjmu.edu.cn.
Physical chemistry chemical physics : PCCP
|February 28, 2025
概括
烯化 (WSi12) 超原子显示了作为5-氨酸 (5-ASA),异化 (INH) 和6-硫 (6-TG) 的药物载体的潜力. 然而,WSi12不适合用于5-甲 (5-Fu) 和temozolomide (TMZ) 的输送.
科学领域:
- 计算化学是一种计算化学.
- 材料科学是一种材料科学.
- 纳米技术 纳米技术
背景情况:
- 药物输送系统对于有针对性和有效的治疗结果至关重要.
- 超原子为纳米医学中的潜在应用提供了独特的特性.
- 了解药物-超原子相互作用是设计新型药物载体的关键.
研究的目的:
- 为了研究各种药物对WSi12超原子的吸附行为.
- 评估WSi12作为特定药品的药物输送载体的潜力.
- 探索环境条件对药物-超原子相互作用的影响.
主要方法:
- 密度函数理论 (DFT) 的计算被用来模拟药物吸附.
- 吸附能量 (Ead) 和变形能量 (Ed) 被计算出来,以评估结合强度和稳定性.
- 分析了WSi12与五种药物 (5-Fu,5-ASA,INH,6-TG,TMZ) 之间的相互作用.
主要成果:
- WSi12对5-fluorouracil (5-Fu) 的吸附性较弱,对temozolomide (TMZ) 的显著变形,因此不适合这些药物使用.
- 通过极性共价键观察到有效的结合5-aminosalicylic 酸 (5-ASA),异化 (INH) 和6-thioguanine (6-TG) 与 WSi12.
- 在弱酸性条件下,6-thioguanine (6-TG) 的吸附能量下降,这表明可调节的药物释放.
- 与单个WSi12超原子相比,WSi12扩展的纳米结构显示出更好的药物递送性能.
结论:
- 由于稳定的吸附,WSi12是提供5-ASA,INH和6-TG的有希望的候选者.
- 由于相互作用较弱或结构不稳定,WSi12不适合用于5-Fu和TMZ输送.
- 进一步研究WSi集群作为新型药物输送载体是有必要的,扩展的纳米结构显示了增强的潜力.
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