Results 61 to 70 of about 1,394,895 (334)

Achromatic Varifocal Metalens for the Visible Spectrum [PDF]

Frontiers in Optics + Laser Science APS/DLS, 2019
Metasurface optics provide an ultra-thin alternative to conventional refractive lenses. A present challenge is in realizing metasurfaces that exhibit tunable optical properties and achromatic behavior across the visible spectrum. Here, we report the design, fabrication, and characterization of metasurface lenses ("metalenses") that use asymmetric TiO2 ...
Maxwell D. Aiello, Adam S. Backer, Aryeh J. Sapon, Janis Smits, John D. Perreault, Patrick Llull, Victor M. Acosta   +6 more
openaire   +2 more sources

A synthetic benzoxazine dimer derivative targets c‐Myc to inhibit colorectal cancer progression

Molecular Oncology, EarlyView.
Benzoxazine dimer derivatives bind to the bHLH‐LZ region of c‐Myc, disrupting c‐Myc/MAX complexes, which are evaluated from SAR analysis. This increases ubiquitination and reduces cellular c‐Myc. Impairing DNA repair mechanisms is shown through proteomic analysis.
Nicharat Sriratanasak, Bodee Nutho, Worawat Wattanathana, Narumon Phaonakrop, Bunnatut Panasawatwong, Katharina Erlenbach‐Wuensch, Sittiruk Roytrakul, Regine Schneider‐Stock, Pithi Chanvorachote   +8 more
wiley   +1 more source

Computational analysis of octagonal torus-shaped nano meta-atom through fractional absorption bandwidth for applications in the terahertz regime

Results in Physics, 2020
In this paper, we present a computational analysis method for the study of silicon dioxide (SiO2) graphene-based and amorphous silicon (a-Si)-graphene based nano meta-atoms in the terahertz (THz) regime.
Mohammad Tariqul Islam, Ahasanul Hoque, Mohd Hafiz Baharuddin, Norsuzlin Mohd Sahar, Hatem Rmili   +4 more
doaj   +1 more source

Investigation of Ag/ZnO/p-Si heterostructure for diode and photodiode applications in visible spectrum [PDF]

, 2023
Dilber Esra Yıldız, Adem Koçyiğit, Murat Yıldırım   +2 more
openalex   +1 more source

Gamma-ray bursts from magnetized collisionally-heated jets [PDF]

, 2001
Jets producing gamma-ray bursts (GRBs) are likely to carry a neutron component that drifts with respect to the proton component. The neutron-proton collisions strongly heat the jet and generate electron-positron pairs.
Vurm, Indrek, Beloborodov, Andrei M., Poutanen, Juri   +2 more
core   +3 more sources

Patient‐specific pharmacogenomics demonstrates xCT as predictive therapeutic target in colon cancer with possible implications in tumor connectivity

Molecular Oncology, EarlyView.
This study integrates transcriptomic profiling of matched tumor and healthy tissues from 32 colorectal cancer patients with functional validation in patient‐derived organoids, revealing dysregulated metabolic programs driven by overexpressed xCT (SLC7A11) and SLC3A2, identifying an oncogenic cystine/glutamate transporter signature linked to ...
Marco Strecker, Keren Zohar, Martin Böttcher, Thomas Wartmann, Henry Freudenstein, Maximilian Doelling, Mihailo Andric, Wenjie Shi, Or Kakhlon, Katrin Hippe, Beatrix Jahnke, Dimitrios Mougiakakos, Franziska Baenke, Daniel Stange, Roland S. Croner, Michal Linial, Ulf D. Kahlert   +16 more
wiley   +1 more source

Characterization of a 30 GHz Spaced Astro-Comb Filtered by a Fabry–Pérot Cavity in Vacuum

Photonics
We demonstrate a compact astro-comb with ~30 GHz line spacing covering the 560–900 nm range, seeded by a 1 GHz Yb:fiber laser frequency comb phase-locked to a rubidium clock for long-term frequency stability. The comb spacing is multiplied by a passively
Qi Zhou, Ruoao Yang, Fei Zhao, Gang Zhao, Aimin Wang, Xing Chen, Zhigang Zhang   +6 more
doaj   +1 more source

Asphalted Road Temperature Variations Due to Wind Turbine Cast Shadows

Sensors, 2009
The contribution of this paper is a technique that in certain circumstances allows one to avoid the removal of dynamic shadows in the visible spectrum making use of images in the infrared spectrum.
Jonay Toledo, Marta Sigut, Leopoldo Acosta, Rafael Arnay   +3 more
doaj   +1 more source

Infrared tunable laser: A concept [PDF]

, 1975
Apparatus in which laser wavelengths of two dyes are mixed in intracavity, nonlinear crystal provides intense source of coherent laser radiation which is tunable from visible through infrared wavelengths of electromagnetic ...
Billman, K. W.
core   +1 more source

Charged exctions in the fractional quantum Hall regime

, 2001
We study the photoluminescence spectrum of a low density ($\nu
A. B. Dzyubenko, A. H. MacDonald, A. J. Shields, A. J. Turberfield, A. L. Efros, A. L. Efros, A. L. Efros, A. Wojs, A. Wojs, A. Wojs, A. Yacoby, B. B. Goldberg, D. M. Whittaker, F. M. Munteanu, F. M. Munteanu, F. Plentz, G. Eytan, G. Finkelstein, G. Finkelstein, G. Yusa, H. Shtrikman, I. Bar-Joseph, I. Szlufarska, J. J. Palacios, J. L. Osborne, J. P. Eisenstein, K. Kheng, M. Hayne, V. M. Apalkov, Y. Kim, Z. X. Jiang   +30 more
core   +2 more sources