Search Results - "Roper, D. Keith"

Swabbing the surface: critical factors in environmental monitoring and a path towards standardization and improvement by Jones, Sarah L., Ricke, Steven C., Keith Roper, D., Gibson, Kristen E.

“…Cross-contamination can be broadly defined as the transfer, direct or indirect, of microorganisms from a contaminated product to a non-contaminated product…”
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Wastewater Surveillance for SARS-CoV-2 on College Campuses: Initial Efforts, Lessons Learned, and Research Needs by Harris-Lovett, Sasha, Nelson, Kara L, Beamer, Paloma, Bischel, Heather N, Bivins, Aaron, Bruder, Andrea, Butler, Caitlyn, Camenisch, Todd D, De Long, Susan K, Karthikeyan, Smruthi, Larsen, David A, Meierdiercks, Katherine, Mouser, Paula J, Pagsuyoin, Sheree, Prasek, Sarah M, Radniecki, Tyler S, Ram, Jeffrey L, Roper, D Keith, Safford, Hannah, Sherchan, Samendra P, Shuster, William, Stalder, Thibault, Wheeler, Robert T, Korfmacher, Katrina Smith

“…Wastewater surveillance for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an emerging approach to help identify the risk of a coronavirus…”
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Enhanced Optical and Infrared Activity of Nanosphere Dimers Attributed to Dimer Geometry by Roper, D. Keith, Kim, Jin-Woo, Romo, Ricardo R., Batta-Mpouma, Joseph

“…Enhanced optical and infrared activity of subwavelength metal nanoparticles is key to their use in optoelectronics, spectroscopy, and sensing. The present work…”
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Periodic Nanotemplating by Selective Deposition of Electroless Gold Island Films on Particle-Lithographed Dimethyldichlorosilane Layers by Ahn, Wonmi, Roper, D. Keith

“…Uniform hexagonal arrays of diverse nanotemplated metal structures were formed via selective electroless gold plating on particle-lithographed…”
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Rate-Limited Electroless Gold Thin Film Growth: A Real-Time Study by Jang, Gyoung Gug, Blake, Phillip, Roper, D. Keith

“…Time-resolved, in situ spectroscopy of electroless (EL) gold (Au) films combined with electron microscopy showed that the deposition rate increased up to…”
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Correlation of SARS-CoV-2 RNA in wastewater with COVID-19 disease burden in sewersheds by Weidhaas, Jennifer, Aanderud, Zachary T., Roper, D. Keith, VanDerslice, James, Gaddis, Erica Brown, Ostermiller, Jeff, Hoffman, Ken, Jamal, Rubayat, Heck, Phillip, Zhang, Yue, Torgersen, Kevin, Laan, Jacob Vander, LaCross, Nathan

“…The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes the coronavirus disease (COVID-19), is shed in feces and the viral ribonucleic…”
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Thermodynamics of Optoplasmonic Heating in Fluid-Filled Gold-Nanoparticle-Plated Capillaries by Russell, Aaron G, McKnight, Matthew D, Hestekin, Jamie A, Roper, D. Keith

“…Dynamic and equilibrium thermal behavior of plasmon-heated gold/silica capillary nanocomposite during evaporative cooling by water or butanol is accurately…”
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Microscale Heat Transfer Transduced by Surface Plasmon Resonant Gold Nanoparticles by Roper, D. Keith, Ahn, W, Hoepfner, M

“…Visible radiation at resonant frequencies is transduced to thermal energy by surface plasmons on gold nanoparticles. Temperature in ≤10-μL aqueous suspensions…”
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Spectral patterns underlying polarization-enhanced diffractive interference are distinguishable by complex trigonometry by DeJarnette, Drew, Norman, Justin, Roper, D. Keith

“…Superpositioned modes from scatterers in periodic arrays that prescribe spectral interference patterns are distinguishable using an analytic description…”
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Nanoring structure, spacing, and local dielectric sensitivity for plasmonic resonances in Fano resonant square lattices by Forcherio, Gregory T, Blake, Phillip, DeJarnette, Drew, Roper, D Keith

“…Lattices of plasmonic nanorings with particular geometries exhibit singular, tunable resonance features in the infrared. This work examined effects of nanoring…”
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Suture Tape Augmentation for Scapholunate Ligament Repair: A Biomechanical Study by Thompson, R. Gil, Dustin, Joel A., Roper, D. Keith, Kane, Steven M., Lourie, Gary M.

“…Scapholunate (SL) ligament tears in the acute setting can be treated by primary repair through various techniques. The purpose of this study was to compare…”
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Balancing Redox Activity Allowing Spectrophotometric Detection of Au(I) Using Tetramethylbenzidine Dihydrochloride by Jang, Gyoung-Gug, Roper, D. Keith

“…Aqueous, acid solutions containing balanced amounts of a strong reductant (formaldehyde, HCHO) and a strong oxididant (N-bromosuccinimide, NBS) allow the first…”
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Initial dynamic thermal dissipation modes enhance heat dissipation in gold nanoparticle–polydimethylsiloxane thin films by Howard, Tyler V., Berry, Keith R., Roper, D. Keith

“…Plasmonic nanocomposite materials have exhibited value for applications ranging from biological hyperthermia to optical sensing and waveguiding. Energy…”
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Electron Energy Loss Spectroscopy of Hot Electron Transport between Gold Nanoantennas and Molybdenum Disulfide by Plasmon Excitation by Forcherio, Gregory T., Benamara, Mourad, Roper, D. Keith

“…Hot electron transport from single gold nanoantennas to underlying monolayer molybdenum disulfide (MoS2) is examined using electron energy loss spectroscopy…”
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Thermoplasmonic dissipation in gold nanoparticle-polyvinylpyrrolidone thin films by Howard, Tyler V, Dunklin, Jeremy R, Forcherio, Gregory T, Roper, D. Keith

“…Thermal dissipation of plasmon energy from gold nanoparticles (AuNPs) dispersed in transparent polymers is important to biotherapeutics, optoelectronics,…”
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Spectral Characteristics of Noble Metal Nanoparticle-Molybdenum Disulfide Heterostructures by Forcherio, Gregory T., Roper, D. Keith

“…Energy and damping of resonances which occur in spectra of monolayer molybdenum disulfide (MoS2) decorated by noble metal nanospheres and prisms are examined…”
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Enhanced Uniformity in Arrays of Electroless Plated Spherical Gold Nanoparticles Using Tin Presensitization by Blake, Phillip, Ahn, Wonmi, Roper, D. Keith

“…Gold nanoparticle arrays created with electroless gold plating provide a unique means of transforming nanocylinders usually formed in electron beam lithography…”
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Asymmetric Reduction of Gold Nanoparticles into Thermoplasmonic Polydimethylsiloxane Thin Films by Dunklin, Jeremy R, Forcherio, Gregory T, Berry, Keith R, Roper, D. Keith

“…Polymer thin films containing gold nanoparticles (AuNPs) are of growing interest in photovoltaics, biomedicine, optics, and nanoelectromechanical systems…”
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Determining surface plasmon resonance response factors for deposition onto three-dimensional surfaces by Roper, D. Keith

“…Intrinsic sorption rates of ligand/receptor binding have been measured by surface plasmon resonance (SPR) using response factors for deposition of proteins or…”
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Gold nanoparticles physicochemically bonded onto tungsten disulfide nanosheet edges exhibit augmented plasmon damping by Forcherio, Gregory T., Dunklin, Jeremy R., Backes, Claudia, Vaynzof, Yana, Benamara, Mourad, Roper, D. Keith

“…Augmented plasmonic damping of dipole-resonant gold (Au) nanoparticles (NP) physicochemically bonded onto edges of tungsten disulfide (WS2) nanosheets,…”
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