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Updated: Jun 12, 2026

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素的碳化成纳米凝:抗凝剂开发中的飞跃

Han-Wei Chu¹, Wan-Jyun Chen², Ko-Hsin Liu³

¹Department of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan.

Journal of materials chemistry. B

|May 8, 2024

概括

工程化素纳米凝 (CNGs_Qur) 显著增强抗凝性质,改善水溶性和生物可用性. 控制式碳化优化了潜在的生物医学应用的有效性.

科学领域:

生物材料工程生物材料工程
纳米技术纳米技术
药理学药理学是指药理学的学科.

背景情况:

奎尔赛丁是一种天然的黄类化合物,具有抗凝固特性,但由于溶解性和生物利用性差,其受限.
开发新的输送系统对于增强奎尔丁的治疗潜力至关重要.

研究的目的:

为了工程碳化纳米凝衍生自素 (CNGs_Qur) 提高抗凝效率,水溶性和生物相容性.
为了研究碳化程度和抗凝性能之间的结构-活性关系.

主要方法:

使用受控的热解和聚合技术在不同温度下合成各种CNG.
进行了体外测试 (TCT,aPTT,PT) 和体内研究 (老鼠尾部出血,FeCl₃诱导的血管封闭).
评估了与血栓素的结合亲和力.

主要成果:

与原生Quercetin相比,CNGs_Qur显示出显著增强的抗凝功能.
CNGs_Qur270显示,血栓结合亲和力增加了400倍,并延长了凝血时间.
CNGs_Qur310和CNGs_Qur290分别显著延迟了PT和aPTT.
静脉注射和口服CNG都会使出血时间延长到五倍.
CNGs_Qur270以剂量依赖的方式预防了血管封闭.

结论:

控制式热解是一种有效的策略,用于制造具有卓越抗凝和可溶性的素衍生纳米凝.
碳化程度决定了受CNG影响的特定凝血路径.
这些发现凸显了碳化纳米材料在各种生物医学应用中的潜力.

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