Results 111 to 120 of about 4,208,561 (328)

Versatile silicon-waveguide supercontinuum for coherent mid-infrared spectroscopy

, 2017
Infrared spectroscopy is a powerful tool for basic and applied science. The molecular spectral fingerprints in the 3 um to 20 um region provide a means to uniquely identify molecular structure for fundamental spectroscopy, atmospheric chemistry, trace ...
Chiles, Jeff, Cruz, Flavio C., Diddams, Scott A., Fredrick, Connor, Kowligy, Abijith, Maser, Daniel L., Mirin, Richard P., Nader, Nima, Nam, Sae Woo, Shainline, Jeffrey M., Timmers, Henry, Westly, Daron A.   +11 more
core   +2 more sources

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

Advanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner, Ruben Maile, Murat Cuvalli, Andreas Wolf, Ayisha Komal, Robert Oestreich, Christoph Janiak, Karl Mandel, Alexander Knebel, Klaus Müller‐Buschbaum   +9 more
wiley   +1 more source

Observation of multiple time crystals in a driven-dissipative system with Rydberg gas

Nature Communications
Time crystals, as temporal analogs of space crystals, manifest as stable and periodic behavior that breaks time translation symmetry. In an open quantum system, many-body interaction subjected to dissipation allows one to develop the time crystalline ...
Yuechun Jiao, Weilun Jiang, Yu Zhang, Jingxu Bai, Yunhui He, Heng Shen, Jianming Zhao, Suotang Jia   +7 more
doaj   +1 more source

Depth Measurement Error Analysis and Structural Parameter Correction of Structured Light Depth Imager

Photonics
Considering that structured light depth imagers are difficult to use for precision measurements due to their limited measurement accuracy, we propose an innovative method for correcting structural parameters of structured light depth imagers to reduce ...
Shuang Yu, Haoran Guo, Wenlong Yang, Yanqiao Zhao, Haibin Wu, Xiaoming Sun, Xiaoyang Yu   +6 more
doaj   +1 more source

Characterization of organic materials by LIBS for exploration of correlation between molecular and elemental LIBS signals

AIP Advances, 2011
The present study is performed for the preparation of a database by accumulating LIBS spectra of 4-nitroaniline and 4-nitrotoluene in air and argon. Changes in the behavior of the molecular bands of the C2 Swan system and CN violet system as well as of ...
Shikha Rai, Awadhesh Kumar Rai
doaj   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

Advanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng, Qian Yao, Yanan Sun, Hongyu Lv, Zhongchao Bai, Guoliang Zhang, Nana Wang, Jian Yang   +7 more
wiley   +1 more source

Neural Architecture Search for Hyperspectral Image Classification: A Comprehensive Review and Future Perspectives

Remote Sensing
Hyperspectral image classification (HSIC) is a key task in the field of remote sensing, but the complex nature of hyperspectral data poses a serious challenge to traditional methods.
Aili Wang, Xinyu Liu, Kang Zhang, Haoran Lv, Haibin Wu, Xing Chen, Manman Yao   +6 more
doaj   +1 more source

Electron Transfer-Based Single Molecule Fluorescence as a Probe for Nano-Environment Dynamics

Sensors, 2014
Electron transfer (ET) is one of the most important elementary processes that takes place in fundamental aspects of biology, chemistry, and physics. In this review, we discuss recent research on single molecule probes based on ET.
Ruiyun Chen, Ruixiang Wu, Guofeng Zhang, Yan Gao, Liantuan Xiao, Suotang Jia   +5 more
doaj   +1 more source

Lipid Nanoparticles for the Delivery of CRISPR/Cas9 Machinery to Enable Site‐Specific Integration of CFTR and Mutation‐Agnostic Disease Rescue

Advanced Functional Materials, EarlyView.
Lipid nanoparticles (LNPs) are optimized to co‐deliver Cas9‐encoding messenger RNA (mRNA), a single guide RNA (sgRNA) targeting the endogenous cystic fibrosis transmembrane conductance regulator (CFTR) gene, and homologous linear double‐stranded donor DNA (ldsDNA) templates encoding CFTR.
Ruth A. Foley, Paul G. Ayoub, Vrishti Sinha, Colin Juett, Alicia Sanoyca, Emily C. Duggan, Lindsay E. Lathrop, Priyanka Bhatt, Kevin Coote, Beate Illek, Brigitte N. Gomperts, Donald B. Kohn, Steven J. Jonas   +12 more
wiley   +1 more source

Optical spectroscopy of laser-produced plasmas for standoff isotopic analysis

Applied Physics Reviews, 2018
Rapid, in-field, and non-contact isotopic analysis of solid materials is extremely important to a large number of applications, such as nuclear nonproliferation monitoring and forensics, geochemistry, archaeology, and biochemistry.
S. S. Harilal, B. Brumfield, N. LaHaye, K. Hartig, M. Phillips   +4 more
semanticscholar   +1 more source