Search Results - "Hill, Ryan T."

Plasmonic biosensors by Hill, Ryan T.

“…The unique optical properties of plasmon resonant nanostructures enable exploration of nanoscale environments using relatively simple optical characterization…”
Get full text

Probing Dynamically Tunable Localized Surface Plasmon Resonances of Film-Coupled Nanoparticles by Evanescent Wave Excitation by Mock, Jack J, Hill, Ryan T, Tsai, Yu-Ju, Chilkoti, Ashutosh, Smith, David R

“…The localized surface plasmon resonance (LSPR) spectrum associated with a gold nanoparticle (NP) coupled to a gold film exhibits extreme sensitivity to the…”
Get full text

Controlled-reflectance surfaces with film-coupled colloidal nanoantennas by Moreau, Antoine, Ciracì, Cristian, Mock, Jack J., Hill, Ryan T., Wang, Qiang, Wiley, Benjamin J., Chilkoti, Ashutosh, Smith, David R.

“…Randomly adsorbing chemically synthesized silver nanocubes, each of which is the optical analogue of a grounded patch antenna, onto a nanoscale-thick polymer…”
Get full text

Distance-Dependent Plasmon Resonant Coupling between a Gold Nanoparticle and Gold Film by Mock, Jack J, Hill, Ryan T, Degiron, Aloyse, Zauscher, Stefan, Chilkoti, Ashutosh, Smith, David R

“…We present an experimental analysis of the plasmonic scattering properties of gold nanoparticles controllably placed nanometers away from a gold metal film. We…”
Get full text

A versatile diffractive maskless lithography for single-shot and serial microfabrication by Jenness, Nathan J., Hill, Ryan T., Hucknall, Angus, Chilkoti, Ashutosh, Clark, Robert L.

Get full text

Plasmonic Waveguide Modes of Film-Coupled Metallic Nanocubes by Lassiter, J. Britt, McGuire, Felicia, Mock, Jack J, Ciracì, Cristian, Hill, Ryan T, Wiley, Benjamin J, Chilkoti, Ashutosh, Smith, David R

“…A metallic nanoparticle positioned over a metal film offers great advantages as a highly controllable system relevant for probing field-enhancement and other…”
Get full text

Plasmon Ruler with Angstrom Length Resolution by Hill, Ryan T, Mock, Jack J, Hucknall, Angus, Wolter, Scott D, Jokerst, Nan M, Smith, David R, Chilkoti, Ashutosh

“…We demonstrate a plasmon nanoruler using a coupled film nanoparticle (film-NP) format that is well-suited for investigating the sensitivity extremes of…”
Get full text

Inkjet-printed point-of-care immunoassay on a nanoscale polymer brush enables subpicomolar detection of analytes in blood by Joh, Daniel Y., Hucknall, Angus M., Wei, Qingshan, Mason, Kelly A., Lund, Margaret L., Fontes, Cassio M., Hill, Ryan T., Blair, Rebecca, Zimmers, Zackary, Achar, Rohan K., Tseng, Derek, Gordan, Raluca, Freemark, Michael, Ozcan, Aydogan, Chilkoti, Ashutosh

“…The ELISA is the mainstay for sensitive and quantitative detection of protein analytes. Despite its utility, ELISA is time-consuming, resource-intensive, and…”
Get full text

Leveraging Nanoscale Plasmonic Modes to Achieve Reproducible Enhancement of Light by Hill, Ryan T., Mock, Jack J., Urzhumov, Yaroslav, Sebba, David S., Oldenburg, Steven J., Chen, Shiuan-Yeh, Lazarides, Anne A., Chilkoti, Ashutosh, Smith, David R.

“…The strongly enhanced and localized optical fields that occur within the gaps between metallic nanostructures can be leveraged for a wide range of…”
Get full text

Simple Fabrication of Antibody Microarrays on Nonfouling Polymer Brushes with Femtomolar Sensitivity for Protein Analytes in Serum and Blood by Hucknall, Angus, Kim, Dong‐Hwan, Rangarajan, Srinath, Hill, Ryan T., Reichert, William M., Chilkoti, Ashutosh

“…A multianalyte antibody array that is spotted on a poly(oligo(ethylene glycol) methacrylate) brush 100 nm thick, grown on glass via surface‐initiated atom…”
Get full text

Gold Nanoparticles on Polarizable Surfaces as Raman Scattering Antennas by Chen, Shiuan-Yeh, Mock, Jack J, Hill, Ryan T, Chilkoti, Ashutosh, Smith, David R, Lazarides, Anne A

“…Surface plasmons supported by metal nanoparticles are perturbed by coupling to a surface that is polarizable. Coupling results in enhancement of near fields…”
Get full text

A versatile diffractive maskless lithography for single-shot and serial microfabrication by Jenness, Nathan J, Hill, Ryan T, Hucknall, Angus, Chilkoti, Ashutosh, Clark, Robert L

“…We demonstrate a diffractive maskless lithographic system that is capable of rapidly performing both serial and single-shot micropatterning. Utilizing the…”
Get full text

Nanoparticle–Film Plasmon Ruler Interrogated with Transmission Visible Spectroscopy by Hill, Ryan T, Kozek, Klaudia M, Hucknall, Angus, Smith, David R, Chilkoti, Ashutosh

“…The widespread use of plasmonic nanorulers (PNRs) in sensing platforms has been plagued by technical challenges associated with the development of methods to…”
Get full text

Direct-Write Fabrication of Functional Protein Matrixes Using a Low-Cost Q-Switched Laser by Kaehr, Bryan, Ertaş, Nusret, Nielson, Rex, Allen, Richard, Hill, Ryan T., Plenert, Matthew, Shear, Jason B.

“…We report the use of an inexpensive, small, and “turn-key” Q-switched 532-nm Nd:YAG laser as a source for nonlinear, direct-write protein microfabrication. In…”
Get full text

Versatile synthesis and micropatterning of nonfouling polymer brushes on the wafer scale by Hucknall, Angus, Simnick, Andrew J, Hill, Ryan T, Chilkoti, Ashutosh, Garcia, Andres, Johannes, Matthew S, Clark, Robert L, Zauscher, Stefan, Ratner, Buddy D

“…In this article, the authors describe new approaches to synthesize and pattern surfaces with poly[oligo(ethylene glycol) methyl methacrylate] (POEGMA) polymer…”
Get full text

Enzyme−Nanoparticle Functionalization of Three-Dimensional Protein Scaffolds by Hill, Ryan T, Shear, Jason B

“…Various surface modification techniques have been developed for patterning functional biomolecules in two dimensions, allowing enzymes, antibodies, and other…”
Get full text

Microfabrication of Three-Dimensional Bioelectronic Architectures by Hill, Ryan T, Lyon, Jennifer L, Allen, Richard, Stevenson, Keith J, Shear, Jason B

“…The functionality and structural diversity of biological macromolecules has motivated efforts to exploit proteins and DNA as templates for synthesis of…”
Get full text

Direct Electrochemical and Spectroscopic Assessment of Heme Integrity in Multiphoton Photo-Cross-Linked Cytochrome c Structures by Lyon, Jennifer L, Hill, Ryan T, Shear, Jason B, Stevenson, Keith J

“…Multiphoton excitation (MPE) lithography offers an effective, biocompatible technique by which three-dimensional architectures comprised of proteins, enzymes,…”
Get full text

Plasmon rulers: The optical angstrometers by Hill, Ryan T

“…Plasmon rulers are a fascinating class of metrology devices because of their exquisite, atomic-bond-length sensitivity to distance and their transduction of…”
Get full text

Raman antenna formed by molecule/plasmonic nanostructure hybrid system by Shiuan-Yeh Chen, Mock, Jack J., Hill, Ryan T., Chilkoti, Ashutosh, Smith, David R., Lazarides, Anne A.

“…A nano-antenna composed of a particle and a polarizable surface provides control of the spatial distribution and high enhancement of Raman scattering. This…”
Get full text