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Selective interactions of sugar-functionalized single-walled carbon nanotubes with Bacillus spores

机译：糖功能化的单壁碳纳米管与芽孢杆菌的选择性相互作用

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摘要

It was reported previously that monosaccharide-functionalized single-walled carbon nanotubes (SWNTs) could interact with Bacillus anthracis (Sterne) spores with the mediation of a divalent cation such as Ca~(2+) to result in significant spore aggregation and reduction in colony forming units. In this work a more systematic investigation was performed on interactions of the SWNTs functionalized with individual mannose and galactose moieties and their various dendritic configurations with B. anthracis and B. subtilis spores in the presence and absence of a divalent cation. Significant differences and selectivity between the Bacillus spores and between different sugars and their configurations were observed. The relevant results are presented, and their mechanistic implications are discussed.
机译：以前有报道说，单糖功能化的单壁碳纳米管（SWNTs）可以在二价阳离子（例如Ca〜（2+））的介导下与炭疽芽孢杆菌（Sterne）孢子相互作用，从而导致明显的孢子聚集和菌落减少形成单位。在这项工作中，在存在和不存在二价阳离子的情况下，对功能化的单壁碳纳米管与单个甘露糖和半乳糖部分以及它们的各种树突形态与炭疽芽孢杆菌和枯草芽孢杆菌孢子的相互作用进行了更系统的研究。观察到芽孢杆菌孢子之间以及不同糖及其构型之间存在显着差异和选择性。提出了相关结果，并讨论了它们的机械含义。

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