Search Results - "Knab, J. R"

Functional-State Dependence of Picosecond Protein Dynamics by George, D. K, Chen, J. Y, He, Yunfen, Knab, J. R, Markelz, A. G

“…We examine temperature-dependent picosecond dynamics of two benchmarking proteins lysozyme and cytochrome c using temperature-dependent terahertz permittivity…”
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Evidence of Protein Collective Motions on the Picosecond Timescale by He, Yunfen, Chen, J.-Y., Knab, J.R., Zheng, Wenjun, Markelz, A.G.

“…We investigate the presence of structural collective motions on a picosecond timescale for the heme protein, cytochrome c, as a function of oxidation and…”
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Terahertz near-field vectorial imaging of subwavelength apertures and aperture arrays by Knab, J R, Adam, A J L, Nagel, M, Shaner, E, Seo, M A, Kim, D S, Planken, P C M

“…We present measurements of the complete terahertz (THz) electric near-field distribution, E(x), E(y) and E(z), in both the time- and frequency-domains, for…”
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Influence of the dielectric substrate on the terahertz electric near-field of a hole in a metal by Guestin, L, Adam, A J L, Knab, J R, Nagel, M, Planken, P C M

“…We have studied theoretically and experimentally the influence of a dielectric substrate on the frequency-dependent terahertz electric near-field of a small…”
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Protein dynamical transition does not require protein structure by He, Yunfen, Ku, Pei I, Knab, J R, Chen, J Y, Markelz, A G

“…Terahertz time domain spectroscopy shows that the protein dynamical transition, the rapid increase in protein dynamics occurring at approximately 200 K, needs…”
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Terahertz near-field spectroscopy of filled subwavelength sized apertures in thin metal films by Knab, J R, Adam, A J L, Shaner, E, Starmans, H J A J, Planken, P C M

“…We have measured terahertz near-field spectra of cesium iodide crystals as small as ~10 μm in diameter, which were deposited on single, sub-wavelength-sized…”
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Terahertz dielectric assay of solution phase protein binding by Chen, Jing-Yin, Knab, J. R., Ye, Shuji, He, Yunfen, Markelz, A. G.

“…The authors demonstrate a method for rapid determination of protein-ligand binding on solution phase samples using terahertz dielectric spectroscopy…”
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Terahertz near-field microspectroscopy by Knab, J. R., Adam, A. J. L., Chakkittakandy, R., Planken, P. C. M.

“…Using near-field, terahertz time-domain spectroscopy (THz-TDS), we investigate how the addition of a dielectric material into a subwavelength-diameter,…”
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Ultrafast carrier dynamics and optical properties of nanoporous silicon at terahertz frequencies by Knab, J. R., Lu, Xinchao, Vallejo, Felipe A., Kumar, Gagan, Murphy, Thomas E., Hayden, L. Michael

“…We have investigated the broadband terahertz (THz) optical properties of nanoporous silicon samples with different porosities and the ultrafast carrier…”
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Functional-State Dependence of Picosecond Protein Dynamics by George, D. K., Chen, J. Y., He, Yunfen, Knab, J. R., Markelz, A. G.

“…Not provided…”
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Large oxidation dependence observed in terahertz dielectric response for cytochrome c by Chen, J.-Y., Knab, J. R., Cerne, J., Markelz, A. G.

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Terahertz Measurements of Protein Relaxational Dynamics by Knab, Joseph R., Chen, Jing-Yin, He, Yunfen, Markelz, Andrea G.

“…Collective structural vibrational modes of proteins lay in the terahertz frequency range. We discuss several measurements exploring picosecond dynamics in hen…”
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Terahertz transmission characteristics of high-mobility GaAs and InAs two-dimensional-electron-gas systems by Kabir, N. A., Yoon, Y., Knab, J. R., Chen, J.-Y., Markelz, A. G., Reno, J. L., Sadofyev, Y., Johnson, S., Zhang, Y.-H., Bird, J. P.

“…Frequency-dependent complex conductivity of high-mobility GaAs and InAs two-dimensional-electron-gas (2DEG) systems is studied by terahertz time domain…”
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Terahertz transmission characteristics of high-mobility GaAs and InAstwo-dimensional-electron-gas systems by Kabir, N. A., Yoon, Y., Knab, J. R., Chen, J.-Y., Markelz, A. G., Reno, J. L., Sadofyev, Y., Johnson, S., Zhang, Y.-H., Bird, J. P.

“…Frequency-dependent complex conductivity of high-mobility GaAs and InAs two-dimensional-electron-gas (2DEG) systems is studied by terahertz time domain…”
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Large oxidation dependence observed in terahertz dielectric response for cytochrome c by Chen, J-Y, Knab, J R, Cerne, J, Markelz, A G

“…Far infrared dielectric response is used to characterize the collective mode density of states for cytochrome c as a function of oxidation state and hydration…”
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Functional State Dependence of Picosecond Protein Dynamics by Chen, J. Y, George, D. K, He, Yunfen, Knab, J. R, Markelz, A. G

“…We examine temperature dependent picosecond dynamics as a function of structure and function for lysozyme and cytochrome c using temperature dependent…”
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Terahertz near-field measurements of subwavelength, dielectric-filled waveguides by Knab, J.R., Adam, A., Planken, P.

“…Using terahertz near field time-domain spectroscopy (THz-TDS), we image subwavelength, cylindrical waveguides (d = 150 mum) loaded with a dielectric material…”
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Terahertz Dielectric Response Sensitivity to Protein Oxidation State by Chen, Jing Yin, Knab, J. R., Markelz, A. G., Gregurick, S. K.

“…Previously we have shown that the terahertz dielectric response is sensitive to the oxidation state for cytochrome c (CytC) films. Here we discuss the origin…”
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Terahertz near-field measurements of small metal structures by Adam, A.J.L., Knab, J.R., Nagel, M., Seo, M.A., Kim, D.S., Planken, P.C.M.

“…We present results on THz near-field measurements of sub-wavelength single holes made in metal. Time and frequency dependence of the electric near-field of…”
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Near-field THz imaging and characterization of an array of sub-wavelength circular apertures by Knab, J.R., Adam, A.J.L., Nagel, M., Seo, M.A., Kim, D.S., Planken, P.C.M.

“…An array of sub-wavelength circular apertures (d=60 mum), periodically distributed in a square lattice, was studied in the near field using Terahertz…”
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