Tryptophan-functionalized gold nanoparticles for deep UV imaging of microbial cells
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- 作者：Jelena D. Pajovića ; Radovan Dojčilovićb ; Du&scaron ; an K. Božanićb ; bozanic@vinca.rs" class="auth_mail" title="E-mail the corresponding author ; Slavka Ka&scaron ; čá ; ková ; c ; d ; Matthieu Ré ; fré ; gierse ; Suzana Dimitrijević-Brankovićf ; Vesna V. Vodnikb ; Aleksandar R. Milosavljevićg ; Emanuela Piscopielloh ; Adriaan S. Luyti ; Vladimir Djokovićb ; djokovic@vinca.rs" class="auth_mail" title="E-mail the corresponding author
- 关键词：Gold nanoparticles ; Tryptophan ; Functionalization ; Fluorescence imaging ; E. coli
- 刊名：Colloids and Surfaces B: Biointerfaces
- 出版年：2015
- 出版时间：1 November 2015
- 年：2015
- 卷：135
- 期：Complete
- 页码：742-750
- 全文大小：2091 K
文摘
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Gold nanoparticles were functionalized with amino acid tryptophan (Trp).
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Trp layers on Au yielded photoluminescence of the nanostructures in the UV region.
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Au–Trp nanostructures were used as fluorescent probes for DUV imaging of E. coli.
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The spatial distribution of the nanoparticles within individual cells was followed.