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光合金CdZnSeS/ZnS纳米传感器用于检测多克索鲁比

Svetlana A Mescheryakova¹, Ivan S Matlakhov¹, Pavel D Strokin¹

¹Department of General and Inorganic Chemistry, Chemistry Institute, Saratov State University Named after N.G. Chernyshevsky, Astrakhanskaya 83, 410012 Saratov, Russia.

|June 27, 2023

概括

这项研究引入了使用量子点 (QD) 快速检测多克索鲁比 (DOX) 的新型纳米传感器. 这些传感器提供了一种更简单,更具成本效益的方法,用于在生物样本中监测这种重要的化疗药物.

科学领域:

纳米技术纳米技术
分析化学分析化学
生物医学工程生物医学工程

背景情况:

多克索鲁比 (DOX) 是一种重要的化疗剂,但具有显著的心脏毒性,神经毒性和细胞毒性.
对生物流体和组织中DOX水平的有效监测对于患者的安全和治疗疗效至关重要.
目前用于DOX量化的方法通常是复杂的,昂贵的,主要是为纯粹的DOX分析而设计的.

研究的目的:

开发和验证基于合金量子点 (QD) 的光火分析纳米传感器,以快速直接检测DOX.
通过分析QD和DOX的光谱特征来优化纳米传感器性能,以最大限度地提高光火效率.
建立一种敏感且可靠的方法,用于在未稀释的生物基质 (如人体血) 中进行操作性DOX测定.

主要方法:

合金CdZnSeS/ZnS量子点 (QDs) 的合成和表征,这些量子点与硫甘酸和3-默卡普托酸稳定.
通过光谱分析,研究多克索鲁比 (DOX) 诱导的QDs的光灭机制.
在优化条件下开发可关闭的光纳米传感器,用于在未稀释的人体血中直接检测DOX.

主要成果:

优化的QD在DOX的存在下表现出高效的光火,证明了复杂的火相互作用.
纳米传感器在未稀释的人体血中成功检测到DOX,0.5μM度导致光强度降低5.8% (thioglycolic acid稳定QDs) 和4.4% (3-mercaptopropionic acid稳定QDs).
获得的检测极限 (LOD) 是0.08微克/毫升和0.03微克/毫升的QDs稳定与硫糖醇和3-mercaptopropionic酸,分别.

结论:

基于QD光火的分析纳米传感器为直接DOX测定提供了一种敏感且可操作的方法.
开发的方法为复杂而昂贵的现有技术提供了一个有希望的替代方案,用于对DOX的治疗药物监测.
这些纳米传感器的进一步应用可以通过实时监测DOX水平来提高患者的安全性和优化化疗方案.

关键词:

斯特恩沃尔默常数是什么类抗生素的抗生素类抗生素.德克索鲁比辛 (doxorubicin) 是一种药物.光灭的光灭人类血的人类血.这是一个纳米传感器.量子点是一个量子点.

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