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Displaying 451 - 475 of 1756

Heterogeneous integration for on-chip quantum photonic circuits with single quantum dot devices

October 12, 2017
Author(s)
Marcelo I. Davanco, Liu Jin, Luca Sapienza, Chen-Zhao Zhang, Jose Vinicius De Miranda Cardoso, Varun B. Verma, Richard P. Mirin, Sae Woo Nam, Liu Liu, Kartik A. Srinivasan
Photonic integration is establishing itself as an enabling technology for photonic quantum science, offering considerably greater scalability, stability, and functionality than traditional bulk optics. Here, we develop a scalable, heterogeneous III-V /

Redox-active Nanomaterials for Nanomedicine Applications

October 6, 2017
Author(s)
Christopher Sims, Shannon Hanna, Daniel A. Heller, Christopher Horoszko, Monique Johnson, Antonio Montoro Bustos, Vytas Reipa, Kathryn Riley, Bryant C. Nelson
Nanomedicine utilizes the remarkable properties of nanomaterials for the diagnosis, treatment, and prevention of disease. Many of these nanomaterials have been shown to have robust antioxidative properties, potentially functioning as strong scavengers of

Update on Bio-refining and Nanocellulose Composite Materials Manufacturing

September 25, 2017
Author(s)
Michael T. Postek, Dianne L. Poster
Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiff ness, unique photonic and piezoelectric properties, high stability and uniform structure. One of the factors limiting the potential of

Enhanced durability of CNT based hierarchical composites subjected to accelerated aging environments.

September 21, 2017
Author(s)
Ajay Krishnamurthy, Donald L. Hunston, Amanda L. Forster, Bharath NMN Natarajan, Sunny Wicks, Paul E. Stutzman, James A. Liddle, Aaron M. Forster, Brian L. Wardle
As carbon nanotube (CNT) based composites are increasingly being identified as viable aerospace materials, it is vital to study their environmental degradation characteristics. In this work, the durability of CNT reinforced hierarchical alumina fiber

Verification of Calibration Methods for Determining Photon-Counting Detection Efficiency using Superconducting Nano-Wire Single Photon Detectors

September 4, 2017
Author(s)
Igor Vayshenker, Robert D. Horansky, John H. Lehman, Malcolm G. White, Sae Woo Nam, Ingmar Mueller, Lutz Werner, G. Wuebbeler
In the recent years several ways to radiometrically calibrate optical fiber-coupled detectors have been developed. However, fiber-coupled calibration methods for single photon detectors have not been compared by national metrology institutes validating the

Ionizing Radiation Processing and its Potential in Advancing Biorefining and Nanocellulose Composite Materials Manufacturing

September 1, 2017
Author(s)
Michael T. Postek, Dianne L. Poster, Andras Vladar, Mark S. Driscoll, Jay A. LaVerne, Zios Tsinas, Mohamad Al-Sheikhly
Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiffness, unique photonic and piezoelectric properties, high stability and uniform structure. Through utilization of a biorefinery concept

Quantum Light Turned on by Nanotube Chemistry

September 1, 2017
Author(s)
Ming Zheng, Kartik A. Srinivasan
Room-temperature single-photon emission at telecom wavelengths is realized by organic color centers chemically implanted on chirality-defined single-wall carbon nanotubes.

Novel Nanofluidic Chemical Cells based on Self-Assembled Solid-State SiO2 Nanotubes

August 30, 2017
Author(s)
Hao Zhu, Haitao Li, Arvind Balijepalli, Joseph W. Robertson, Sergiy Krylyuk, Albert Davydov, John J. Kasianowicz, John S. Suehle, Qiliang Li
Novel nanofluidic chemical cells based on self-assembled solid-state SiO2 nanotubes on silicon- on-insulator (SOI) substrates have been successfully fabricated and tested. The vertical SiO2 nanotubes with a smooth cavity are built from Si nanowires which

Multiple method analysis of TiO2 nanoparticles uptake, accumulation and effects in rice (Oryza sativa L.) plants

August 4, 2017
Author(s)
Yinqging Deng, Elijah Petersen, Katie Challis, Savelas A. Rabb, Richard D. Holbrook, James Ranville, Bryant C. Nelson, Baoshan Xing
Understanding the translocation of nanoparticles (NPs) into plants is challenging because quantitative and qualitative methods are still being developed and the comparability of results among different methods is unclear. In this study, the uptake of NPs
Displaying 451 - 475 of 1756
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