Now showing items 4188-4207 of 22915

    • Crown Ethers Enable Room Temperature Synthesized CsPbBr3 Quantum Dots for Light-Emitting Diodes 

      Veldhuis, Sjoerd Antonius; Ng, Yan Fong; Ahmad, Riyas; Bruno, Annalisa; Jamaludin, Nur Fadilah; Damodaran, Bahulayan; Mathews, Nripan; Mhaisalkar, Subodh Gautam (2018)
      The synthesis of all-inorganic cesium lead halide perovskite quantum dots (QDs) typically requires high temperatures, stringent conditions, large quantities of surface ligands, and judicious purification steps to overcome ...
    • CrSi2 hexagonal nanowebs 

      Wang, Huatao; Wu, Jian-Chun; Shen, Yiqiang; Li, Gong Ping; Zhang, Zhou; Xing, Guozhong; Guo, Dong Lai; Wang, Dandan; Dong, Zhili; Wu, Tom (2010)
      Single-crystalline CrSi2 nanostructures with a unique hexagonal nanoweb morphology have been successfully synthesized for the first time. These nanowebs span 150−200 nm and are composed of <1120> nanowire segments with a ...
    • Crush on you : romantic crushes increase consumers’ preferences for strong sensory stimuli 

      Huang, Irene Xun; Dong, Ping; Zhang, Meng (2018)
      What influences consumers’ preferences for strong versus weak sensory stimuli? In this article, we find converging evidence that when the experience of a romantic crush is salient, consumers have an enhanced preference ...
    • Cry, Baby, Cry: Expression of Distress As a Biomarker and Modulator in Autism Spectrum Disorder 

      Esposito, Gianluca; Hiroi, Noboru; Scattoni, Maria Luisa (2017)
      Background: Early diagnosis of autism spectrum disorder is critical, because early intensive treatment greatly improves its prognosis. Methods: We review studies that examined vocalizations of infants with autism spectrum ...
    • Cryo-electron microscopic structure of SecA protein bound to the 70S ribosome 

      Singh, Rajkumar; Kraft, Christian; Jaiswal, Rahul; Sejwal, Kushal; Kasaragod, Vikram Babu; Kuper, Jochen; Bürger, Jörg; Mielke, Thorsten; Luirink, Joen; Bhushan, Shashi (2014)
      SecA is an ATP-dependent molecular motor pumping secretory and outer membrane proteins across the cytoplasmic membrane in bacteria. SecA associates with the protein-conducting channel, the heterotrimeric SecYEG complex, ...
    • Cryo-EM structures of the autoinhibited E. coli ATP synthase in three rotational states 

      Sobti, Meghna; Smits, Callum; Wong, Andrew See Weng; Ishmukhametov, Robert; Stock, Daniela; Sandin, Sara; Stewart, Alastair G (2016)
      A molecular model that provides a framework for interpreting the wealth of functional information obtained on the E. coli F-ATP synthase has been generated using cryo-electron microscopy. Three different states that relate ...
    • Cryogel synthesis of hierarchical interconnected macro-/mesoporous Co3O4 with superb electrochemical energy storage 

      Wang, Xu; Sumboja, Afriyanti; Khoo, Eugene; Yan, Chaoyi; Lee, Pooi See (2012)
      In this contribution, we report a facile synthesis of ultrafine Co3O4 nanocrystals with an in situ construction of mesoporous and macroporous network for supercapacitor electrode material. The resultant ultrafine Co3O4 ...
    • Cryptanalysis of AES-PRF and its dual 

      Derbez, Patrick; Iwata, Tetsu; Sun, Ling; Sun, Siwei; Todo, Yosuke; Wang, Haoyang; Wang, Meiqin (2018)
      A dedicated pseudorandom function (PRF) called AES-PRF was proposed by Mennink and Neves at FSE 2018 (ToSC 2017, Issue 3). AES-PRF is obtained from AES by using the output of the 5-th round as the feed-forward to the output ...
    • Cryptanalysis of some conference schemes for mobile communications 

      He, Daojing; Chen, Chun; Ma, Maode; Bu, Jiajun (2011)
      To allow many users to hold a secure teleconference in mobile networks, a secure conference scheme with dynamic participation is necessary. However, designing a secure and efficient conference scheme is a difficult task ...
    • Cryptanalysis of the LAKE hash family 

      Biryukov, Alex; Gauravaram, Praveen; Guo, Jian; Khovratovich, Dmitry; Ling, San; Matusiewicz, Krystian; Nikoli´c, Ivica; Pieprzyk, Josef; Wang, Huaxiong (2009)
      We analyse the security of the cryptographic hash function LAKE-256 proposed at FSE 2008 by Aumasson, Meier and Phan. By exploiting non-injectivity of some of the building primitives of LAKE, we show three different collision ...
    • Cryptocurrencies: Potential For Terror Financing 

      Ahmad Helmi Hasbi; Remy Mahzam (2018)
      Given their transaction anonymity and user-friendliness, cryptocurrencies appeal to extremist groups as they offer a viable alternative to the mainstream financial system and fiat money which are perceived as ‘kafir’ ...
    • Cryptography in coherent optical information networks using dissipative metamaterial gates 

      Xomalis, Angelos; Demirtzioglou, Iosif; Jung, Yongmin; Plum, Eric; Lacava, Cosimo; Petropoulos, Periklis; Richardson, David J.; Zheludev, Nikolay I. (2019)
      All-optical encryption of information in fibre telecommunication networks offers lower complexity and far higher data rates than electronic encryption can deliver. However, existing optical layer encryption methods, which ...
    • Crystal and melt inclusion timescales reveal the evolution of magma migration before eruption 

      Ruth, Dawn C. S.; Costa, Fidel; Bouvet de Maisonneuve, Caroline; Franco, Luis; Cortés, Joaquin A.; Calder, Eliza S. (2018)
      Volatile element concentrations measured in melt inclusions are a key tool used to understand magma migration and degassing, although their original values may be affected by different re-equilibration processes. Additionally, ...
    • Crystal Chemical Analysis of Nd9.33Si6O26 and Nd8Sr2Si6O26 Apatite Electrolytes Using Aberration-Corrected Scanning Transmission Electron Microscopy and Impedance Spectroscopy 

      An, Tao; Baikie, Tom; Weyland, Matthew; Felix Shin, J.; Slater, Peter R.; Wei, Jun; White, Timothy John (2015)
      Lanthanoid silicate apatite solid electrolytes contain one-dimensional channels. These materials display substantial oxygen mobility at temperatures lower than conventional zirconia-based ionic conductors because interstitial ...
    • Crystal chemical characteristics of ellestadite-type apatite: implications for toxic metal immobilization 

      Fang, Ya Nan; Ritter, Clemens; White, Timothy John (2014)
      The ellestadite apatites Ca10[(SiO4)x(PO4)6−2x(SO4)x]Cl2 were studied by powder X-ray and neutron diffraction to establish baseline crystallographic data. These synthetic materials, unlike mineral specimens that are well ...
    • Crystal chemistry and antibacterial properties of cupriferous hydroxyapatite 

      Bhattacharjee, Arjak; Fang, Yanan; Hooper, Thomas J. N.; Kelly, Nicole L.; Gupta, Disha; Balani, Kantesh; Manna, Indranil; Baikie, Tom; Bishop, Peter T.; White, Timothy J.; Hanna, John V. (2019)
      Copper-doped hydroxyapatite (HA) of nominal composition Ca10(PO4)6[Cux(OH)2-2xOx] (0.0 ≤ x ≤ 0.8) was prepared by solid-state and wet chemical processing to explore the impact of the synthesis route and mode of crystal ...
    • The Crystal Chemistry of Ca10–y(SiO4)3(SO4)3Cl2–x–2yFx Ellestadite 

      Fang, Yanan; Ritter, Clemens; White, Timothy John (2011)
      Fluor-chlorellestadite solid solutions Ca10(SiO4)3(SO4)3Cl2–xFx, serving as prototype crystalline matrices for the fixation of hazardous fly ash, were synthesized and characterized by powder X-ray and neutron diffraction ...
    • Crystal chemistry of melilite [CaLa]2[Ga]2[Ga2O7]2 : a five dimensional solid electrolyte 

      Wei, Fengxia; Baikie, Tom; An, Tao; Kloc, Christian; Wei, Jun; White, Timothy John (2012)
      Melilite-type [A2]2[BI]2[BII2O7]2 gallates are promising ion conducting electrolytes for deployment in solid oxide fuel cells. Single crystals of [CaLa]2[Ga]2[Ga2O7]2, grown in an optical floating zone furnace, were ...
    • Crystal chemistry of mimetite, Pb10(AsO4)6Cl1.48O0.26, and finnemanite, Pb10(AsO3)6Cl2 

      Baikie, Tom; Ferraris, Cristiano; Klooster, Wim T.; Madhavi, S.; Pramana, Stevin S.; Pring, Allan; Schmidt, G.; White, Timothy John (2008)
      The crystal chemistries of synthetic mimetite, Pb10(As5+O4)6(Cl2-xOx/2), a neutral apatite, and finnemanite, Pb10(As3+O3)6Cl2, a reduced apatite, were characterized using a combination of X-ray powder diffraction, neutron ...
    • Crystal Engineering of a Two-Dimensional Lead-Free Perovskite with Functional Organic Cations by Second-Sphere Coordination 

      Cortecchia, Daniele; Soci, Cesare; Cametti, Massimo; Petrozza, Annamaria; Martí-Rujas, Javier (2017)
      Hybrid lead halide perovskite semiconductors are attracting increasing attention for applications in optoelectronics. However, the high lead content calls for the development of greener and smarter alternatives through ...