14.06.2013 | Dong Wang, Peter Schaaf, physica status solidi (a), 2013

Abstract Ordered arrays of nanoporous gold nanoparticles were fabricated via a combination of solid‐state dewetting of Au/Ag bilayers on pre‐patterned SiO2/Si substrates and a subsequent dealloying process. AuAg alloy nanoparticles were formed after dewetting, and a subsequent ...

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14.06.2013 | Barbara Fraygola, William J. Nascimento, Adelino A. Coelho, Ducinei Garcia, Jose A. Eiras, physica status solidi (a), 2013

Abstract Presented here are the results of magnetic data that reveal that both Pb‐based perovskites samples, Pb(Fe1/2Nb1/2)O3 (lead iron niobate – PFN) and Pb(Fe2/3W1/3)O3 (lead iron tungstate – PFW), exhibit a change in magnetic ordering from paramagnetic (PM) to weak ferromagnetic ...

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12.06.2013 | Sumit Chakraborty, Yogi J. Patel, Jeanette A. Krause, Hairong Guan, Angewandte Chemie International Edition, 2013

Nick of time: The nickel cyanomethyl complex 1 catalyzes the room temperature coupling of aldehydes with acetonitrile under base‐free conditions. The catalytic system is long‐lived and remarkably efficient with high turnover numbers (TONs) and turnover frequencies (TOFs) achieved. The mild ...

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12.06.2013 | Xinsheng Fang, Yingzi Wang, Jianhua Wang, Jin Zhang, Xin Wang, Journal of Separation Science, 2013

An optimized microwave‐assisted extraction method and RP‐HPLC method were developed for the simultaneous extraction and determination of rutin, forsythiaside A and phillyrin in the fruits of Forsythia suspensa. The key parameters of the open‐vessel microwave‐assisted extraction process were ...

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12.06.2013 | Tetsuya Iizuka, Hideki Sezutsu, Ken‐ichiro Tatematsu, Isao Kobayashi, Naoyuki Yonemura, Keiro Uchino, Kenichi Nakaji ..., Advanced Functional Materials, 2013

Abstract Silk is a protein fiber used to weave fabrics and as a biomaterial in medical applications. Recently, genetically modified silks have been produced from transgenic silkworms. In the present study, transgenic silkworms for the mass production of three colors of fluorescent silks, ...

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12.06.2013 | Viacheslav I. Tsirelnikov, Petr Melnikov, Valter A. Nascimento, Zeitschrift für anorganische und allgemeine Chemie, 2013

Abstract The dependence of indium trichloride saturated and unsaturated vapor pressure on temperature was studied in the range of 630–950 K by static methods using a quartz membrane zero‐manometer and taking into account the volume of its working chamber and substance mass. The ...

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12.06.2013 | Yuhua Duan; Heriberto Pfeiffer; Bingyun Li; Issis C. Romero-Ibarra; Dan Sorescu; David Richard Luebke; J W Halley, Physical Chemistry Chemical Physics, 2013

The lithium silicates have attracted scientific interest due to their potential use as high-temperature sorbents for CO2 capture. The electronic properties and thermodynamic stabilities of lithium silicates with different Li2O/SiO2 ratios (Li2O, Li8SiO6, Li4SiO4, Li6Si2O7, Li2SiO3, Li2Si2O5, ...

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12.06.2013 | Subir K Das; Suman Majumder, Physical Chemistry Chemical Physics, 2013

We present results \hl{on the effects of variation of temperature and composition in } the kinetics of phase separation in solid binary mixtures ($A_1+A_2$) from Monte Carlo simulations of the Ising model in two dimensions. The simulation results are understood via appropriate application of ...

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12.06.2013 | Shouyu Chen; Yaqiong Zhang; Huagao Fang; Yunsheng Ding; Zhigang Wang, CrystEngComm, 2013

Isothermal crystallization processes in the temperature range from 110 to 140 °C were studied by using polarizing optical microscopy (POM) for poly(l-lactide) (PLLA) film samples with and without confinement conditions. The PLLA film samples were prepared by melt pressing between two cover ...

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12.06.2013 | Serena Ambrosini; Selim Beyazit; Karsten Haupt; Bernadette Tse Sum Bui, Chemical Communication, 2013

A solid-phase synthesis approach to prepare molecularly imprinted polymer nanoparticles (MIP-NPs) specific for trypsin is described. The protein is immobilized on a solid support upon which thermoresponsive MIP-NPs are synthesized. The MIP-NPs are released by a simple temperature change, ...

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