ArticleJournal of the American Chemical Society2016
A Segregated, Partially Oxidized, and Compact Ag10 Cluster within an Encapsulating DNA Host.
Article in Journal of the American Chemical Society, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 80 citations in OpenAlex.
- Solid-State Nanopore Analysis of DNA-Templated Silver Nanoclusters: Voltage-Dependent Translocation and Electrolyte Stability.ACS applied materials & interfaces · 2025Article
- Fluorescent Silver Nanoclusters Associated with Double-Stranded Poly(dGdC) DNA.Nanomaterials (Basel, Switzerland) · 2025Article
- Nonradiative Deactivation of the Fluorescent AgThe journal of physical chemistry letters · 2024Article
- Electron count and ligand composition influence the optical and chiroptical signatures of far-red and NIR-emissive DNA-stabilized silver nanoclusters.Chemical science · 2023Article
- Optical, structural, and biological properties of silver nanoclusters formed within the loop of a C-12 hairpin sequence.Nanoscale advances · 2023Article
- Interrupted DNA and Slow Silver Cluster Luminescence.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- Chemistry-Informed Machine Learning Enables Discovery of DNA-Stabilized Silver Nanoclusters with Near-Infrared Fluorescence.ACS nano · 2022Article
- Massively Parallel Selection of NanoCluster Beacons.Advanced materials (Deerfield Beach, Fla.) · 2022Article
- Structure and luminescence of DNA-templated silver clusters.Nanoscale advances · 2021Review
- The spatial organization of trace silver atoms on a DNA template.RSC advances · 2020Review
- Development of fluorescence oligonucleotide probes based on cytosine- and guanine-rich sequences.Scientific reports · 2020Article
- Removal of the ARSC advances · 2020Article
- Ultrastable atomically precise chiral silver clusters with more than 95% quantum efficiency.Science advances · 2020Article
- Footprints of Nanoscale DNA-Silver Cluster ChromophoresACS nano · 2019Article
- Atomic Structure of a Fluorescent AgJournal of the American Chemical Society · 2019Article
- A Simple Approach to Design Proteins for the Sustainable Synthesis of Metal Nanoclusters.Angewandte Chemie (International ed. in English) · 2019Article
- Switchable Dual-Emissive DNA-Stabilized Silver Nanoclusters.ACS omega · 2019Article
- Multifunctional behavior of molecules comprising stacked cytosine-AgChemical science · 2019Article
- The role of spacer sequence in modulating turn-on fluorescence of DNA-templated silver nanoclusters.Nucleic acids research · 2018Article
- Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Silver clusters develop within DNA strands and become optical chromophores with diverse electronic spectra and wide-ranging emission intensities. These studies consider a specific cluster that absorbs at 400 nm, has low emission, and exclusively develops with single-stranded oligonucleotides. It is also a chameleon-like chromophore that can be transformed into different highly emissive fluorophores. We describe four characteristics of this species and conclude that it is highly oxidized yet also metallic. One, the cluster size was determined via electrospray ionization mass spectrometry. A common silver mass is measured with different oligonucleotides and thereby supports a Ag10 cluster. Two, the cluster charge was determined by mass spectrometry and Ag L3-edge X-ray absorption near-edge structure spectroscopy. Respectively, the conjugate mass and the integrated white-line intensity support a partially oxidized cluster with a +6 and +6.5 charge, respectively. Three, the cluster chirality was gauged by circular dichroism spectroscopy. This chirality changes with the length and sequence of its DNA hosts, and these studies identified a dispersed binding site with ∼20 nucleobases. Four, the structure of this complex was investigated via Ag K-edge extended X-ray absorption fine structure spectroscopy. A multishell fitting analysis identified three unique scattering environments with corresponding bond lengths, coordination numbers, and Debye-Waller factors for each. Collectively, these findings support the following conclusion: a Ag10(+6) cluster develops within a 20-nucleobase DNA binding site, and this complex segregates into a compact, metal-like silver core that weakly links to an encapsulating silver-DNA shell. We consider different models that account for silver-silver coordination within the core.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.