Search Results - "Purschke, David N"

Intense terahertz pulses inhibit Ras signaling and other cancer-associated signaling pathways in human skin tissue models by Hough, Cameron M, Purschke, David N, Huang, Chenxi, Titova, Lyubov V, Kovalchuk, Olga V, Warkentin, Brad J, Hegmann, Frank A

“…Terahertz (THz) radiation has shown unique advantages in biomedical applications for novel diagnostic technologies due to the high sensitivity to molecular…”
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Inline-delay Fourier transform imaging spectrometer for mid-IR ultrashort pulses by Purschke, David N., Korobenko, Aleksey, Staudte, André, Naumov, Andrei Yu, Villeneuve, David M., Vampa, Giulio

“…An inline-delay Fourier transform imaging spectrometer (iFTIS) is used to measure spatiospectral coupling in a mid-infrared (mid-IR) optical parametric…”
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Photocatalytic Mechanism Control and Study of Carrier Dynamics in CdS@C3N5 Core–Shell Nanowires by Alam, Kazi M, Jensen, Charles E, Kumar, Pawan, Hooper, Riley W, Bernard, Guy M, Patidar, Aakash, Manuel, Ajay P, Amer, Naaman, Palmgren, Anders, Purschke, David N, Chaulagain, Narendra, Garcia, John, Kirwin, Phillip S, Shoute, Lian C.T, Cui, Kai, Gusarov, Sergey, Kobryn, Alexander E, Michaelis, Vladimir K, Hegmann, Frank A, Shankar, Karthik

“…We present a potential solution to the problem of extraction of photogenerated holes from CdS nanocrystals and nanowires. The nanosheet form of C3N5 is a…”
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Ultrafast Photoconductivity and Terahertz Vibrational Dynamics in Double‐Helix SnIP Nanowires by Purschke, David N., Pielmeier, Markus R. P., Üzer, Ebru, Ott, Claudia, Jensen, Charles, Degg, Annabelle, Vogel, Anna, Amer, Naaman, Nilges, Tom, Hegmann, Frank A.

“…Tin iodide phosphide (SnIP), an inorganic double‐helix material, is a quasi‐1D van der Waals semiconductor that shows promise in photocatalysis and flexible…”
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Spectroscopic Signatures of Plasmonic Near‐Fields on High‐Harmonic Emission by Jalil, Sohail A., Awan, Kashif M., Baxter, Joshua, Bart, Graeme, Purschke, David N., Fennel, Thomas, Villeneuve, David M., Staudte, André, Berini, Pierre, Brabec, Thomas, Ramunno, Lora, Vampa, Giulio

“…Intense laser fields can reveal the attosecond and femtosecond response of matter in the emitted photoelectrons and high‐harmonic photons. The complementary…”
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Disassembly of microtubules by intense terahertz pulses by Hough, Cameron M., Purschke, David N., Bell, Clayton, Kalra, Aarat P., Oliva, Patricia J., Huang, Chenxi, Tuszynski, Jack A., Warkentin, Brad J., Hegmann, Frank A.

“…The biological effects of terahertz (THz) radiation have been observed across multiple levels of biological organization, however the sub-cellular mechanisms…”
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Noncontact Characterization of Carrier Mobility in Long-Wave Infrared HgCdTe Films With Terahertz Time-Domain Spectroscopy by Refvik, Nils B., Jensen, Charles E., Purschke, David N., Pan, Wenwu, Simpson, Howe R. J., Lei, Wen, Gu, Renjie, Antoszewski, Jarek, Umana-Membreno, Gilberto A., Faraone, Lorenzo, Hegmann, Frank A.

“…We use terahertz time-domain spectroscopy to measure the complex dielectric function of long-wave infrared Hg 1- x Cd x Te films ( x = 0.18, 0.20, 0.22) as a…”
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Topology-Based Prediction of Pathway Dysregulation Induced by Intense Terahertz Pulses in Human Skin Tissue Models by Hough, Cameron M., Purschke, David N., Huang, Chenxi, Titova, Lyubov V., Kovalchuk, Olga, Warkentin, Brad J., Hegmann, Frank A.

“…The strong interaction between terahertz (THz) radiation and biological systems has motivated the development of several biomedical technologies, including…”
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Picosecond Photoconductivity and Vibrational Mode Screening in Double Helix Tin Iodide Phosphorus by Purschke, David N., Pielmeier, Markus, Uzer, Ebru, Ott, Claudia, Degg, Annabelle, Vogel, Anna, Amer, Naaman, Nilges, Tom, Hegmann, Frank A.

“…Tin iodide phosphorus (SnIP) is an interesting new semiconductor that is the world's first non-templated inorganic double helix. Here we report on the first…”
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Field- and frequency-dependent disassembly of polymerized and chemically stabilized microtubules by intense THz pulses by Hough, Cameron M., Purschke, David N., Bell, Clayton, Kalra, Aarat P., Oliva, Patricia J., Huang, Chenxi, Tuszynski, Jack A., Warkentin, Brad J., Hegmann, Frank A.

“…Non-thermal biological effects of terahertz (THz) radiation have been reported in cellular- and tissue-level systems, however the fundamental interactions with…”
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Genomic Signature of Membrane Permeation Induced by Intense THz Pulses by Hough, Cameron M., Purschke, David N., Huang, Chenxi, Titova, Lyubov V., Kovalchuk, Olga, Warkentin, Brad J., Hegmann, Frank A.

“…Intense THz pulses have been shown to induce non-thermal biological effects at multiple scales of structural organization, including differential gene…”
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Genomic Mechanisms of THz-Induced Cancer Dysregulation in Human Skin by Hough, Cameron M., Purschke, David N., Huang, Chenxi, Titova, Lyubov V., Kovalchuk, Olga, Warkentin, Brad J., Hegmann, Frank A.

“…Intense pulses of THz radiation significantly alter gene expression and dysregulate phenotypic endpoints of cancer-related signaling pathways, including…”
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Photocatalytic Mechanism Control and Study of Carrier Dynamics in CdS@C 3 N 5 Core–Shell Nanowires by Alam, Kazi M., Jensen, Charles E., Kumar, Pawan, Hooper, Riley W., Bernard, Guy M., Patidar, Aakash, Manuel, Ajay P., Amer, Naaman, Palmgren, Anders, Purschke, David N., Chaulagain, Narendra, Garcia, John, Kirwin, Phillip S., Shoute, Lian C.T., Cui, Kai, Gusarov, Sergey, Kobryn, Alexander E., Michaelis, Vladimir K., Hegmann, Frank A., Shankar, Karthik

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Charge-Carrier Separation Dynamics in Photoexcited CdS Nanowires by Jensen, Charles E., Alam, Kazi M., Palmgren, Anders, Simpson, Howe R. J., Refvik, Nils B., McDowell, Aran J. N., Purschke, David N., Kumar, Navneet, Strilets, Christina, Hernandez, Julieta, Amer, Naaman, Shankar, Karthik, Hegmann, Frank A.

“…Understanding the nature of ultrafast charge-carrier dynamics in nanomaterials is important for applications in photocatalysis. We combine time-resolved…”
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Photoexcitation enhances carrier mobility at low temperatures in narrow-gap HgCdTe films by Refvik, Nils B., Purschke, David N., Jensen, Charles E., Pan, Wenwu, Simpson, Howe R. J., Lei, Wen, Gu, Renjie, Antoszewski, Jarek, Umana-Membreno, Gilberto A., Faraone, Lorenzo, Hegmann, Frank A.

“…The characterization of carrier dynamics in mercury cadmium telluride (HgCdTe) thin films is essential for novel applications in long-wave infrared detection…”
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Ultra-High Mobility and Temperature-Dependent Carrier Dynamics in Narrow-Gap Hg1-x Cdx Te Films by Refvik, Nils B., Purschke, David N., Pan, Wenwu, Jensen, Charles E., Simpson, Howe R. J., Lei, Wen, Gu, Renjie, Antoszewski, Jarek, Umana-Membreno, Gilberto A., Faraone, Lorenzo, Hegmann, Frank A.

“…Mercury cadmium telluride (MCT) is a well-established semiconductor alloy with a widely tunable band gap in the infrared. However, there have been no…”
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Hot-Carrier Induced Photoluminescence Enhancement and Quenching in GaAs and InP Driven by Intense THz Pulses by Purschke, David N., Na, M., Longman, A., Titova, L. V., Hegmann, Frank A.

“…We show how intense terahertz pulses can modulate photoluminescence lineshape and efficiency in direct gap semiconductors through hot-carrier-enhancement of…”
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Ultrafast photoconductivity and terahertz vibrational dynamics in double-helix SnIP nanowires by Purschke, David N, Pielmeier, Markus R. P, Üzer, Ebru, Ott, Claudia, Jensen, Charles, Degg, Annabelle, Vogel, Anna, Amer, Naaman, Nilges, Tom, Hegmann, Frank A

“…Advanced Materials 2021, 33, 2100978 Tin iodide phosphide (SnIP), an inorganic double-helix material, is a quasi-1D van der Waals semiconductor that shows…”
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Intensity-dependent Suppression of Calcium Signaling in Human Skin Tissue Models Induced by Intense THz Pulses by Hough, Cameron M., Purschke, David N., Huang, Chenxi, Titova, Lyubov V., Kovalchuk, Olga, Warkentin, Brad J., Hcgmann, Frank A.

“…The biological effects of intense THz pulses on human skin tissue models are investigated by applying gene ontology and pathway perturbation analyses to…”
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Biological effects of intense THz pulses on human skin tissue models by Hough, Cameron M., Purschke, David N., Chenxi Huang, Titova, Lyubov V., Kovalchuk, Olga, Warkentin, Brad J., Hegmann, Frank A.

“…We investigate the biological effects of intense THz pulses by measuring global differential gene expression profiles of THz-exposed human skin tissue models…”
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