Lipid Particles as Promising Carriers of Radioactive Pharmaceuticles

IF 0.7 4区 化学 Q4 CHEMISTRY, PHYSICAL Russian Journal of Physical Chemistry A Pub Date : 2024-11-18 DOI:10.1134/S0036024424702108
A. D. Shirokikh, A. A. Fenin, M. Yu. Koroleva
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Abstract

Lipid nanoparticles such as nanoemulsions, nanostructured and solid lipid particles made of stearic acid and paraffin oil and stabilized with a mixture of nonionic surfactants Tween 60 and Span 60 are studied. The effect of incorporated yttrium stearate (YSt) as an additive in the modelling of radiopharmaceuticals and radiotherapy on the physicochemical properties of lipid nanoparticles is considered. The resultes indicate that the size of the oil droplets changes slightly when YSt is included in the nanoemulsions. The incorporation of YSt into lipid nanoparticles with stearic acid reduces their size, due apparently to the incorporation of YSt into the adsorption layer together with stearic acid. The studied lipid nanoparticles are resistant to radioactive irradiation with a dose of 5 kGy. No changes in the molecular structure of the components are observed after irradiation, and the aggregative stability of the lipid nanoparticles is not changed.

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有望成为放射性药物载体的脂质颗粒
研究了由硬脂酸和石蜡油制成并用非离子表面活性剂 Tween 60 和 Span 60 混合物稳定的脂质纳米颗粒,如纳米乳液、纳米结构和固体脂质颗粒。研究还考虑了在放射性药物和放射治疗模型中加入硬脂酸钇(YSt)作为添加剂对纳米脂质颗粒理化性质的影响。结果表明,在纳米乳液中加入 YSt 后,油滴的大小会发生轻微变化。在含有硬脂酸的脂质纳米颗粒中加入 YSt 会减小其尺寸,这显然是由于 YSt 与硬脂酸一起进入了吸附层。所研究的脂质纳米颗粒可抵抗 5 kGy 剂量的放射性辐照。辐照后,各成分的分子结构没有发生变化,纳米脂质颗粒的聚集稳定性也没有改变。
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来源期刊
CiteScore
1.20
自引率
14.30%
发文量
376
审稿时长
5.1 months
期刊介绍: Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.
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