Tryptophan-Assisted Synthesis Reduces Bimetallic Gold/Silver Nanoparticle Cytotoxicity and Improves Biological Activity.

Q1 Engineering
Nanobiomedicine Pub Date : 2014-01-01 DOI:10.5772/59684
Igor O Shmarakov, Iuliia P Mukha, Volodymyr V Karavan, Olexander Yu Chunikhin, Mykhailo M Marchenko, Natalia P Smirnova, Anna M Eremenko
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引用次数: 22

Abstract

Aiming to reduce the potential in vivo hepato-and nephrotoxicity of Ag/Au bimetallic nanoparticles (NPs) stabilized by sodium dodecyl sulphate (SDS), an approach involving a simultaneous reduction of silver nitrate and tetrachlorauratic acid using tryptophan (Trp) as a reducing/stabilizing agent was applied during NP synthesis. The obtained Ag/Au/Trp NPs (5-15 nm sized) were able to form stable aggregates with an average size of 370-450 nm and were potentially less toxic than Ag/Au/SDS in relation to a mouse model system based on clinical biochemical parameters and oxidative damage product estimation. Ag/Au/Trp NPs were shown to exhibit anticancer activity in relation to a Lewis lung carcinoma model. The data generated from the present study support the fact that the use of tryptophan in NP synthesis is effective in attenuating the potential hepatotoxicity and nephrotoxicity of NPs during their in vivo application.

Abstract Image

Abstract Image

Abstract Image

色氨酸辅助合成降低双金属金/银纳米粒子的细胞毒性和提高生物活性。
为了降低十二烷基硫酸钠(SDS)稳定的银/金双金属纳米颗粒(NPs)在体内的潜在肝和肾毒性,采用色氨酸(Trp)作为还原/稳定剂同时还原硝酸银和四氯桂酸的方法合成NPs。在基于临床生化参数和氧化损伤产物估计的小鼠模型系统中,获得的Ag/Au/Trp NPs (5-15 nm大小)能够形成平均尺寸为370-450 nm的稳定聚集体,并且可能比Ag/Au/SDS毒性更小。Ag/Au/Trp NPs在Lewis肺癌模型中显示出抗癌活性。本研究产生的数据支持这样一个事实,即在NP合成中使用色氨酸可以有效地减轻NP在体内应用过程中潜在的肝毒性和肾毒性。
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来源期刊
Nanobiomedicine
Nanobiomedicine Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
6.80
自引率
0.00%
发文量
1
审稿时长
14 weeks
期刊介绍: Nanobiomedicine is an international, peer-reviewed, open access scientific journal that publishes research in nanotechnology as it interfaces with fundamental studies in biology, as well as its application to the fields of medicine. Nanobiomedicine covers all key aspects of this research field, including, but not limited to, bioengineering, biophysics, physical and biological chemistry, and physiology, as well as nanotechnological applications in diagnostics, therapeutic application, preventive medicine, drug delivery, and monitoring of human disease. Additionally, theoretical and modeling studies covering the nanobiomedicine fields will be considered. All submitted articles considered suitable for Nanobiomedicine are subjected to rigorous peer review to ensure the highest levels of quality. The review process is carried out as quickly as possible to minimize any delays in the online publication of articles. Submissions are encouraged on all topics related to nanobiomedicine, and its clinical applications including but not limited to: Nanoscale-structured biomaterials, Nanoscale bio-devices, Nanoscale imaging, Nanoscale drug delivery, Nanobiotechnology, Nanorobotics, Nanotoxicology, Nanoparticles, Nanocarriers, Nanofluidics, Nanosensors (nanowires, nanophotonics), Nanosurgery (dermatology, gastroenterology, ophthalmology, etc), Nanocarriers commercialization of nanobiomedical technologies, Market trends in the nanobiomedicine space, Ethics and regulatory aspects of nanobiomedicine approval, New perspectives of nanobiomedicine in clinical diagnostics, BioMEMS, Nano-coatings, Plasmonics, Nanoscale visualization.
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