Results 91 to 100 of about 5,436 (198)

Electron attachment rates for PAH anions in the ISM and dark molecular clouds: dependence on their chemical properties [PDF]

, 2012
CONTEXT: The attachment of free electrons to polycondensed aromatic ring molecules (PAHs) is studied for the variety of these molecules with different numbers of condensed rings and over a broad range of electron temperatures, using a multichannel ...
Allamandola, Bass, Carelli, Carelli, Carelli, Cherchneff, Demarais, D’Hendecourt, F. A. Gianturco, F. Carelli, Herbst, Herbst, Herbst, Kraka, Le Page, Lucchese, Marcus, McMahon, Omont, Parker, Pechukas, Petrie, Rhee, Ricks, Smith, T. Grassi, Wakelam, Weaver, Woodall, Yang   +29 more
core   +1 more source

A Combined Compton and Coded-aperture Telescope for Medium-energy Gamma-ray Astrophysics

, 2018
A future mission in medium-energy gamma-ray astrophysics would allow for many scientific advancements, e.g. a possible explanation for the excess positron emission from the Galactic Center, a better understanding of nucleosynthesis and explosion ...
Amman, Mark, Boggs, Steven E., Galloway, Michelle, Zoglauer, Andreas   +3 more
core   +1 more source

Observation of Coherent Elastic Neutrino-Nucleus Scattering

, 2017
The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross-section is the largest by far of all low-energy neutrino couplings.
Akimov, D, Albert, JB, An, P, Awe, C, Barbeau, PS, Becker, B, Belov, V, Bolozdynya, A, Brown, A, Cabrera-Palmer, B, Cervantes, M, COHERENT Collaboration, Collar, JI, Cooper, RJ, Cooper, RL, Cuesta, C, Dean, DJ, Detwiler, JA, Eberhardt, A, Efremenko, Y, Elliott, SR, Erkela, EM, Fabris, L, Febbraro, M, Fields, NE, Fox, W, Fu, Z, Galindo-Uribarri, A, Green, MP, Hai, M, Heath, MR, Hedges, S, Hornback, D, Hossbach, TW, Iverson, EB, Kaufman, LJ, Khromov, A, Ki, S, Klein, SR, Konovalov, A, Kremer, M, Kumpan, A, Leadbetter, C, Li, L, Lu, W, Mann, K, Markoff, DM, Miller, K, Moreno, H, Mueller, PE, Newby, J, Orrell, JL, Overman, CT, Parno, DS, Penttila, S, Perumpilly, G, Ray, H, Raybern, J, Reyna, D, Rich, GC, Rimal, D, Rudik, D, Scholberg, K, Scholz, BJ, Shakirov, A, Sinev, G, Snow, WM, Sosnovtsev, V, Suchyta, S, Suh, B, Tayloe, R, Thornton, RT, Tolstukhin, I, Vanderwerp, J, Varner, RL, Virtue, CJ, Wan, Z, Yoo, J, Yu, C-H, Zawada, A, Zderic, AM, Zettlemoyer, J   +81 more
core   +2 more sources

Twombly’s Anatomy of Melancholy [PDF]

, 2011
A wall-sized canvas by Twombly hanging in a purpose-built pavilion by Renzo Piano, commissioned by the Menil Collection in Houston, bears the scrawled inscription »Anatomy of Melancholy.« Untitled (Say Goodbye Catullus, to the Shores of Asia Minor) is ...
Goodson, Alfred C.
core  

A biomimetic phosphor that can build a rigid microenvironment for its long-lived afterglow in aqueous medium

Communications Chemistry
Organic phosphorescent materials have great prospects for application, whose performance particularly depends on the preparation method. Inspired by nature’s wisdom, we report a phosphor that can utilize monomers in its environment by polymerization to ...
Yuming Su, Guangming Wang, Boyi Fu, Xixi Piao, Kaka Zhang   +4 more
doaj   +1 more source

Room-temperature phosphorescent transparent wood

Nature Communications
Transparent wood with high transmittance and versatility has attracted great attention as an energy-saving building material. Many studies have focused on luminescent transparent wood, while the research on organic afterglow transparent wood is an ...
Xixi Piao, Tengyue Wang, Xuefeng Chen, Guangming Wang, Xiangxiang Zhai, Kaka Zhang   +5 more
doaj   +1 more source

Destruction of dimethyl ether and methyl formate by collisions with He$^+$

, 2019
To correctly model the abundances of interstellar complex organic molecules (iCOMS) in different environments, both formation and destruction routes should be appropriately accounted for.
Ascenzi, Daniela, Balucani, Nadia, Ceccarelli, Cecilia, Cernuto, Andrea, Martini, Luca Matteo, Pirani, Fernando, Tosi, Paolo   +6 more
core   +3 more sources

Acidity-activatable upconversion afterglow luminescence cocktail nanoparticles for ultrasensitive in vivo imaging

Nature Communications
Activatable afterglow luminescence nanoprobes enabling switched “off-on” signals in response to biomarkers have recently emerged to achieve reduced unspecific signals and improved imaging fidelity.
Yue Jiang, Min Zhao, Jia Miao, Wan Chen, Yuan Zhang, Minqian Miao, Li Yang, Qing Li, Qingqing Miao   +8 more
doaj   +1 more source

Photooxidation triggered ultralong afterglow in carbon nanodots

Nature Communications
It remains a challenge to obtain biocompatible afterglow materials with long emission wavelengths, durable lifetimes, and good water solubility. Herein we develop a photooxidation strategy to construct near-infrared afterglow carbon nanodots with an ...
Guang-Song Zheng, Cheng-Long Shen, Chun-Yao Niu, Qing Lou, Tian-Ci Jiang, Peng-Fei Li, Xiao-Jing Shi, Run-Wei Song, Yuan Deng, Chao-Fan Lv, Kai-Kai Liu, Jin-Hao Zang, Zhe Cheng, Lin Dong, Chong-Xin Shan   +14 more
doaj   +1 more source

Colorful Room‐Temperature Phosphorescence Including White Afterglow from Mechanical Robust Transparent Wood for Time Delay Lighting

Small Structures
The preparation of mechanical robust organic room‐temperature phosphorescence (RTP) materials especially with white afterglow is attractive but rarely reported.
Zequan Lü, Qian Gao, Meichao Shi, Zhenhua Su, Gegu Chen, Haisong Qi, Baozhong Lü, Feng Peng   +7 more
doaj   +1 more source