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Nanocarrier Hydrodynamics and Binding in Targeted Drug Delivery: Challenges in Numerical Modeling and Experimental Validation

机译:纳米载体的流体动力学和目标药物传递中的绑定:数值建模和实验验证中的挑战

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摘要

This review discusses current progress and future challenges in the numerical modeling of targeted drug delivery using functionalized nanocarriers (NC). Antibody coated nanocarriers of various size and shapes, also called functionalized nanocarriers, are designed to be injected in the vasculature, whereby they undergo translational and rotational motion governed by hydrodynamic interaction with blood particulates as well as adhesive interactions mediated by the surface antibody binding to target antigens/receptors on cell surfaces. We review current multiscale modeling approaches rooted in computational fluid dynamics and nonequilibrium statistical mechanics to accurately resolve fluid, thermal, as well as adhesive interactions governing nanocarrier motion and their binding to endothelial cells lining the vasculature. We also outline current challenges and unresolved issues surrounding the modeling methods. Experimental approaches in pharmacology and bioengineering are discussed briefly from the perspective of model validation.
机译:这篇综述讨论了使用功能化纳米载体(NC)进行靶向药物递送的数值模拟中的当前进展和未来挑战。各种大小和形状的抗体包被的纳米载体,也称为功能化纳米载体,被设计为注射入脉管系统,从而通过与血液颗粒的流体动力相互作用以及由与靶标结合的表面抗体介导的粘附相互作用来控制它们的平移和旋转运动细胞表面的抗原/受体。我们回顾了当前基于计算流体动力学和非平衡统计力学的多尺度建模方法,以准确地解决流体,热以及控制纳米载体运动及其与脉管系统内的内皮细胞结合的粘合剂相互作用。我们还概述了围绕建模方法的当前挑战和未解决的问题。从模型验证的角度简要讨论了药理学和生物工程学中的实验方法。

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