DataVXLangmuirPaper
journal article·2018-09-11Open access

Ultrarapid Cationization of Gold Nanoparticles via a Single-Step Ligand Exchange Reaction

Yohei Ishida, Jun Suzuki, Ikumi Akita, Tetsu Yonezawa

Langmuir· Volume 34· Issue 36
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Source abstract

Abstract

We propose a novel method for the ultrarapid cationization of gold nanoparticles with diameters ranging from several to a hundred nanometers via a single-step ligand exchange reaction of citrate-protected anionic gold nanoparticles with cationic thiol ligand. This reaction was performed only in an aqueous medium via a single step from citrate to cationic thiol and therefore enables a rapid preparation of cationic Au nanoparticles without a contamination of organic solvent or lipid-soluble molecules. The cationization was successfully completed within 20 min without changes in the core diameter and optical characteristic.
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Research context

Nanomaterials

OpenAlex topics: Nanocluster Synthesis and Applications · Gold and Silver Nanoparticles Synthesis and Applications · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Division of Material Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan

Funding

Ministry of Education, Culture, Sports, Science and Technology · Murata Science Foundation · Nippon Sheet Glass Foundation for Materials Science and Engineering · Japan Society for the Promotion of Science · Kurata Memorial Hitachi Science and Technology Foundation · Network Joint Research Center for Materials and Devices · Mayekawa Houonkai Foundation

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