制造和计算研究的pH响应基/多 (HEMA-co-2-HMBA) 微粒用于受控的,特定地点的多克索鲁比输送
Sivagangi Reddy Nagella1, Ramesh Kumar Chitumalla2, Jiun Choi1
1Department of Polymer Science and Engineering, Pusan National University, Busan 46241, Republic of Korea.
International journal of molecular sciences
|November 13, 2025
概括
新的基托桑基微粒与多 (HEMA-co-2-HMBA) 接种,显示pH响应的多克索鲁素释放. 这些药物载体显示出向抗癌药物递送的潜力,在瘤pH值下释放出更多的药物.
科学领域:
- 生物材料科学 生物材料科学
- 药物输送系统 药物输送系统
- 聚合物化学 聚合物化学
背景情况:
- 酸盐 (CTS) 是一种用于药物输送的多功能生物材料.
- 为抗癌药物如多克索鲁比 (DOX) 开发有效的载体至关重要.
- 响应pH的药物释放可以提高治疗效果并减少副作用.
研究的目的:
- 为了制造和表征用于多克索鲁比输送的新型素移植微粒.
- 为了研究这些微粒中多克索鲁比的体外释放行为.
- 评估这些微粒在特定部位的抗癌药物输送中的潜力.
主要方法:
- 将聚二乙基甲酸-co-2-hydroxy-4-N-methacrylamidobenzoic acid) [多HEMA-co-2-HMBA] 移植到奇托上.
- 制造含有多克索鲁比的微粒.
- 使用SEM和TEM进行形态分析.
- 使用FTIR和TGA验证药物负载.
- 在不同pH值 (5.5和7.4) 的体外释放研究.
- 密度函数理论 (DFT) 的计算.
主要成果:
- 由于碳酸基,成功制造出具有高载荷能力 (~91%) 的DOX载荷微粒.
- 形态分析证实了微粒子结构.
- 通过FTIR和TGA验证的DOX载荷.
- DFT的计算表明,强烈的结相互作用影响药物加载和释放.
- 已证明pH取决于DOX的释放,pH值为5.5 (瘤微环境) 的释放明显高于pH值为7.4 (生理).
结论:
- 接种PHCH的CTS微粒是多克索鲁比辛的有效载体.
- 碳酸组赋予了重要的pH响应性质.
- 这些微粒子有助于控制和特定部位的药物释放,特别是在瘤环境中.
- 开发的系统显示了对先进的抗癌疗法的前景.
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