Browsing University of Waterloo by Author "MacLean, James L."
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Blue emitting gold nanoclusters templated by poly-cytosine DNA at low pH and poly-adenine DNA at neutral pH
Kennedy, Thomas A.C.; MacLean, James L.; Liu, Juewen (Royal Society of Chemistry, 2012-07-11)Blue fluorescent gold nanoclusters were prepared in the presence of poly-cytosine DNAs at low pH and poly-adenine at neutral pH using citrate as the reducing agent; various buffer conditions affecting the synthesis have ... -
Correlation of photobleaching, oxidation and metal induced fluorescence quenching of DNA-templated silver nanoclusters
Morishita, Kiyoshi; MacLean, James L.; Liu, Biwu; Jiang, Hui; Liu, Juewen (Royal Society of Chemistry, 2013-04-07)Few-atom noble metal nanoclusters have attracted a lot of interest due to their potential applications in biosensor development, imaging and catalysis. DNA-templated silver nanoclusters (AgNCs) are of particular interest ... -
DNA stabilized silver nanoclusters for ratiometric and visual detection of Hg2+ and its immobilization in hydrogels
MacLean, James L.; Morishita, Kiyoshi; Liu, Juewen (Elsevier, 2013-04-11)DNA oligomers are particularly interesting templates for making silver nanoclusters (AgNCs) as different emission colors can be obtained by varying the DNA sequence. Many AgNCs have been used as Hg2+ sensors since Hg2+ ...