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首页> 外文期刊>Cytology and genetics >CdS Quantum Dots Obtained by 'Green' Synthesis: Comparative Analysis of Toxicity and Effects on the Proliferative and Adhesive Activity of Human Cells
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CdS Quantum Dots Obtained by 'Green' Synthesis: Comparative Analysis of Toxicity and Effects on the Proliferative and Adhesive Activity of Human Cells

机译:通过“绿色”合成获得的CdS量子点:毒性及其对人类细胞增殖和粘附活性的影响的比较分析

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摘要

A novel alternative approach for extracellular synthesis of CdS quantum dots using Escherichia coli bacteria, the fungus Pleurotus ostreatus, and the plant Linaria maroccana as biological matrices was previously developed. The nanoparticles obtained had stable luminescent properties and diameters of 2-10 nm. This paper presents the results of MTT assay- and flow cytometry-based analysis of cytotoxic/cytostatic effects, proliferative activity, and the ability of the CdS quantum dots synthesized to adhere to HeLa cells (human cervical cancer), malignized human T- and B-lymphocytes, and tumor cells of the AGS line (stomach cancer). The toxicity of the CdS quantum dots obtained by the green synthesis method was lower than that of inorganic cadmium sulfide, and this makes the quantum dots attractive candidates for a new type of nontoxic luminescent probes for bioimaging in cytological studies.
机译:先前已开发出一种新的替代方法,用于利用大肠杆菌,平菇和植物摩洛哥亚麻(Linaria maroccana)作为生物基质来胞外合成CdS量子点。所获得的纳米颗粒具有稳定的发光性质,并且直径为2-10nm。本文介绍了基于MTT分析和流式细胞仪的细胞毒性/细胞生长抑制作用,增殖活性以及合成的CdS量子点粘附于HeLa细胞(人类宫颈癌),恶性人类T和B细胞的能力的结果-淋巴细胞和AGS系的肿瘤细胞(胃癌)。通过绿色合成方法获得的CdS量子点的毒性低于无机硫化镉,这使得这些量子点成为细胞学研究中用于生物成像的新型无毒发光探针的有吸引力的候选者。

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