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Modified-Release Drug Delivery Systems: Site-Targeted

Modified-Release Drug Delivery Systems: Site-Targeted

Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.

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Updated: Apr 13, 2026

Preparation and Photoacoustic Analysis of Cellular Vehicles Containing Gold Nanorods

Preparation and Photoacoustic Analysis of Cellular Vehicles Containing Gold Nanorods

Published on: May 2, 2016

对器官选择性纳米颗粒的设计考虑因素

Min-Jun Baek¹, Won Hur¹, Satoshi Kashiwagi¹

¹Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States.

|April 7, 2025

概括

纳米粒子 (NP) 的物理化学特性极大地影响了它们的生物分布和可用于医疗应用的向性. 优化这些特性是克服纳米医学的挑战和实现更强的器官选择性以改善诊断和药物输送的关键.

科学领域:

纳米医学是一种纳米医学.
材料科学材料科学材料科学
生物医学工程生物医学工程

背景情况:

纳米粒子 (NP) 对有针对性的诊断成像和药物输送有希望.
由于器官/组织特异性差以及清除问题,NP的临床翻译是有限的.
目标之外的积累阻碍了纳米药物的有效性.

研究的目的:

检查NP物理化学性质在生物分布,向性和清除中的作用.
突出纳米医学工程NP的进步和挑战.
为下一代纳米药物提出设计考虑,以增强器官选择性.

主要方法:

物理化学性质的审查:大小,表面电荷,形状,弹性,硬度和密度.
分析针对特定应用的NP工程的最新进展.
讨论纳米医学的新兴工具和技术.

主要成果:

物理化学性质在很大程度上决定了NP的生物分布和向性.
目前的NP设计在实现精确的器官特定向方面面临挑战.
虽然取得了进展,但在纳米医学开发方面仍然存在重大障碍.

关键词:

人工智能的人工智能是人工智能.生物分布生物分布临床应用临床应用排泄排泄排泄高通量选的高通量选机器学习是机器学习.纳米颗粒纳米颗粒物理化学特性物理化学特性

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Synthesis of Functionalized 10-nm Polymer-coated Gold Particles for Endothelium Targeting and Drug Delivery

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Biofunctionalization of Magnetic Nanomaterials

Biofunctionalization of Magnetic Nanomaterials

Published on: July 16, 2020

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Preparation and Photoacoustic Analysis of Cellular Vehicles Containing Gold Nanorods

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Synthesis of Functionalized 10-nm Polymer-coated Gold Particles for Endothelium Targeting and Drug Delivery

Synthesis of Functionalized 10-nm Polymer-coated Gold Particles for Endothelium Targeting and Drug Delivery

Published on: January 15, 2018

Biofunctionalization of Magnetic Nanomaterials

Biofunctionalization of Magnetic Nanomaterials

Published on: July 16, 2020

结论:

优化NP物理化学性质对于增强器官选择性至关重要.
下一代纳米医药需要从多个科学领域综合设计考虑.
解决非目标积累和清除对于成功的纳米药物的临床转化至关重要.