Search Results - "Gwinn, Elisabeth"

Silver atom and strand numbers in fluorescent and dark Ag:DNAs by Schultz, Danielle, Gwinn, Elisabeth G

“…We use tandem HPLC-mass spectrometry with in-line spectroscopy to identify silver atom numbers, N(Ag), of 10 to 21 in visible- to infrared-emitting Ag:DNA…”
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Silver (I) as DNA glue: Ag+-mediated guanine pairing revealed by removing Watson-Crick constraints by Swasey, Steven M., Leal, Leonardo Espinosa, Lopez-Acevedo, Olga, Pavlovich, James, Gwinn, Elisabeth G.

“…Metal ion interactions with DNA have far-reaching implications in biochemistry and DNA nanotechnology. Ag + is uniquely interesting because it binds…”
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Fluorescence Color by Data-Driven Design of Genomic Silver Clusters by Copp, Stacy M, Gorovits, Alexander, Swasey, Steven M, Gudibandi, Sruthi, Bogdanov, Petko, Gwinn, Elisabeth G

“…DNA nucleobase sequence controls the size of DNA-stabilized silver clusters, leading to their well-known yet little understood sequence-tuned colors. The…”
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Atomically Precise Arrays of Fluorescent Silver Clusters: A Modular Approach for Metal Cluster Photonics on DNA Nanostructures by Copp, Stacy M, Schultz, Danielle E, Swasey, Steven, Gwinn, Elisabeth G

“…The remarkable precision that DNA scaffolds provide for arraying nanoscale optical elements enables optical phenomena that arise from interactions of metal…”
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General Approach for Machine Learning-Aided Design of DNA-Stabilized Silver Clusters by Copp, Stacy M, Swasey, Steven M, Gorovits, Alexander, Bogdanov, Petko, Gwinn, Elisabeth G

“…DNA-templated silver clusters (AgN-DNA) are known to exhibit a wide range of fluorescence colors for different choices of the DNA template sequence. While…”
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Silver-mediated base pairings: towards dynamic DNA nanostructures with enhanced chemical and thermal stability by Swasey, Steven M, Gwinn, Elisabeth G

“…The thermal and chemical fragility of DNA nanomaterials assembled by Watson-Crick (WC) pairing constrain the settings in which these materials can be used and…”
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Unusually large fluorescence quantum yield for a near-infrared emitting DNA-stabilized silver nanocluster by Neacşu, Vlad A, Cerretani, Cecilia, Liisberg, Mikkel B, Swasey, Steven M, Gwinn, Elisabeth G, Copp, Stacy M, Vosch, Tom

“…A near-infrared emitting DNA-stabilized silver nanocluster (DNA-AgNC) with an unusually high fluorescence quantum yield is presented. The steady-state and…”
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Magic Numbers in DNA-Stabilized Fluorescent Silver Clusters Lead to Magic Colors by Copp, Stacy M, Schultz, Danielle, Swasey, Steven, Pavlovich, James, Debord, Mark, Chiu, Alexander, Olsson, Kevin, Gwinn, Elisabeth

“…DNA-stabilized silver clusters are remarkable for the selection of fluorescence color by the sequence of the stabilizing DNA oligomer. Yet despite a growing…”
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Parallel Guanine Duplex and Cytosine Duplex DNA with Uninterrupted Spines of Ag(I)-Mediated Base Pairs by Swasey, Steven M, Rosu, Frederic, Copp, Stacy M, Gabelica, Valérie, Gwinn, Elisabeth G

“…Hydrogen bonding between nucleobases produces diverse DNA structural motifs, including canonical duplexes, guanine (G) quadruplexes, and cytosine (C) i-motifs…”
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Chiral Electronic Transitions in Fluorescent Silver Clusters Stabilized by DNA by Swasey, Steven M, Karimova, Natalia, Aikens, Christine M, Schultz, Danielle E, Simon, Anna J, Gwinn, Elisabeth G

“…Fluorescent, DNA-stabilized silver clusters are receiving much attention for sequence-selected colors and high quantum yields. However, limited knowledge of…”
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Parallel Guanine Duplex and Cytosine Duplex DNA with Uninterrupted Spines of Ag I -Mediated Base Pairs by Swasey, Steven M, Rosu, Frédéric, Copp, Stacy M, Gabelica, Valérie, Gwinn, Elisabeth G

“…Hydrogen bonding between nucleobases produces diverse DNA structural motifs, including canonical duplexes, guanine (G) quadruplexes, and cytosine (C) i-motifs…”
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Cluster Plasmonics: Dielectric and Shape Effects on DNA-Stabilized Silver Clusters by Copp, Stacy M, Schultz, Danielle, Swasey, Steven M, Faris, Alexis, Gwinn, Elisabeth G

“…This work investigates the effects of dielectric environment and cluster shape on electronic excitations of fluorescent DNA-stabilized silver clusters,…”
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High throughput near infrared screening discovers DNA-templated silver clusters with peak fluorescence beyond 950 nm by Swasey, Steven M, Copp, Stacy M, Nicholson, Hunter C, Gorovits, Alexander, Bogdanov, Petko, Gwinn, Elisabeth G

“…We use high throughput near-infrared (NIR) screening technology to discover abundant new DNA-stabilized silver clusters, AgN-DNA, that fluoresce in the NIR…”
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The properties of small Ag clusters bound to DNA bases by Soto-Verdugo, Víctor, Metiu, Horia, Gwinn, Elisabeth

“…We study the binding of neutral silver clusters, Ag(n) (n=1-6), to the DNA bases adenine (A), cytosine (C), guanine (G), and thymine (T) and the absorption…”
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UV Excitation of DNA Stabilized Ag Cluster Fluorescence via the DNA Bases by O’Neill, Patrick R, Gwinn, Elisabeth G, Fygenson, Deborah Kuchnir

“…We report UV excitation through the DNA bases as a universal pathway to visible emission from DNA stabilized silver cluster fluorophores (AgDNAs). AgDNAs with…”
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Hairpins with Poly-C Loops Stabilize Four Types of Fluorescent Ag n :DNA by O’Neill, Patrick R, Velazquez, Lourdes R, Dunn, Donald G, Gwinn, Elisabeth G, Fygenson, D. Kuchnir

“…Few-atom Ag clusters self-assemble on single-stranded DNA and exhibit sequence-dependent fluorescence ranging from the blue to the NIR. DNA sequence presents a…”
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Heterogeneous Solvatochromism of Fluorescent DNA-Stabilized Silver Clusters Precludes Use of Simple Onsager-Based Stokes Shift Models by Copp, Stacy M, Faris, Alexis, Swasey, Steven M, Gwinn, Elisabeth G

“…The diverse optical and chemical properties of DNA-stabilized silver clusters (Ag N -DNAs) have challenged the development of a common model for these…”
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The Role of Hydrogen Bonds in the Stabilization of Silver-Mediated Cytosine Tetramers by Espinosa Leal, Leonardo Andrés, Karpenko, Alexander, Swasey, Steven, Gwinn, Elisabeth G, Rojas-Cervellera, Victor, Rovira, Carme, Lopez-Acevedo, Olga

“…DNA oligomers can form silver-mediated duplexes, stable in gas phase and solution, with potential for novel biomedical and technological applications. The…”
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DNA-Protected Silver Clusters for Nanophotonics by Gwinn, Elisabeth, Schultz, Danielle, Copp, Stacy M, Swasey, Steven

“…DNA-protected silver clusters (Ag -DNA) possess unique fluorescence properties that depend on the specific DNA template that stabilizes the cluster. They…”
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Parallel Guanine Duplex and Cytosine Duplex DNA with Uninterrupted Spines of AgI‑Mediated Base Pairs by Swasey, Steven M., Rosu, Frédéric, Copp, Stacy M., Gabelica, Valérie, Gwinn, Elisabeth G.

“…Hydrogen bonding between nucleobases produces diverse DNA structural motifs, including canonical duplexes, guanine (G) quadruplexes, and cytosine (C) i-motifs…”
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