Magnetically induced drug release from niosome-based nanocarriers loaded with doxorubicin.

IF 2.9 3区 化学 Q3 CHEMISTRY, PHYSICAL
Soft Matter Pub Date : 2025-07-04 DOI:10.1039/d5sm00411j
Philip Drake, Ilma Amalina, Retno Sari, Amalia Ruiz, Saliha Ramazan, Gordon Hope, Dharmisthaben Pancholi, Andang Miatmoko
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引用次数: 0

Abstract

Niosomes co-loaded with doxorubicin and magnetic nanoparticles were synthesised using the thin film hydration method. The loading efficiency of the doxorubicin was between 60-70%. The hydrodynamic diameter measured as the average number (mean ± standard deviation), using dynamic light scattering, was found to be 188 ± 68 nm, 141 ± 86 nm and 169 ± 69 nm for the plain niosomes, niosomes loaded with doxorubicin and niosomes loaded with doxorubicin and magnetic nanoparticles, respectively. The zeta potential for all three niosome samples was determined to be -26.4 mV ± 1.9 mV. The thermally mediated release of doxorubicin was monitored using fluorescence spectroscopy and found to follow 1st order kinetics. The rate constant for the thermal release was 1.2 × 10-6, 1.0 × 10-4 and 5.1 × 10-4 min-1 at 298, 313 and 333 K, respectively. The doxorubicin was also released using an alternating magnetic field, this also followed 1st order kinetics and had a rate constant of 1.7 × 10-2 min-1. This is four orders of magnitude greater than the thermal release at the same temperature (298 K). The work shows the magnetically controlled, burst release from a drug-loaded niosome delivery system. The release was triggered on demand by the application of the alternating magnetic field, resulting in 86% doxorubicin release within 3 hours compared to 3% release in 30 days via thermal release.

磁诱导药物从装载阿霉素的纳米载体释放。
采用薄膜水化法制备了多柔比星与磁性纳米颗粒共载的纳米粒。阿霉素的加载效率在60 ~ 70%之间。采用动态光散射法测得的流体动力学直径平均值(平均值±标准差)分别为188±68 nm、141±86 nm和169±69 nm,分别为载多柔比星和磁性纳米颗粒。三种niosome样品的zeta电位均为-26.4 mV±1.9 mV。利用荧光光谱法监测阿霉素的热介导释放,发现其符合一级动力学。在298、313和333 K下,热释放速率常数分别为1.2 × 10-6、1.0 × 10-4和5.1 × 10-4 min-1。在交变磁场下释放阿霉素,也符合一级动力学,速率常数为1.7 × 10-2 min-1。这比相同温度下(298 K)的热释放量大4个数量级。这项工作展示了磁性控制的,从一个载药的niosome输送系统中爆发释放。在交变磁场的作用下,根据需要触发释放,导致阿霉素在3小时内释放86%,而通过热释放在30天内释放3%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Soft Matter
Soft Matter 工程技术-材料科学:综合
CiteScore
6.00
自引率
5.90%
发文量
891
审稿时长
1.9 months
期刊介绍: Soft Matter is an international journal published by the Royal Society of Chemistry using Engineering-Materials Science: A Synthesis as its research focus. It publishes original research articles, review articles, and synthesis articles related to this field, reporting the latest discoveries in the relevant theoretical, practical, and applied disciplines in a timely manner, and aims to promote the rapid exchange of scientific information in this subject area. The journal is an open access journal. The journal is an open access journal and has not been placed on the alert list in the last three years.
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