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2.207 Aktuelle Fachpublikationen zum Thema temperature

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Synthesis and characterization of dual-stimuli-responsive micelles based on poly(N-isopropylacrylamide) and polycarbonate with photocleavable moieties

30.08.2015 | Author(s): Jia-You Fang, Yin-Ku Lin, Shiu-Wei Wang, You-Chen Li, Ren-Shen Lee, Reactive and Functional Polymers, 2015

Publication date: October 2015 Source:Reactive and Functional Polymers, Volume 95 Author(s): Jia-You Fang, Yin-Ku Lin, Shiu-Wei Wang, You-Chen Li, Ren-Shen Lee Dual-sensitive block copolymers, PNiPAAm-b-PNBTMC, were synthesized via the ring-opening polymerization of ...

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A study of dielectric, optical and magnetic characteristics of maghemite nanocrystallites

30.08.2015 | Author(s): Imran M. Mirza, Kashif Ali, A.K. Sarfraz, Atif Ali, A. ul Haq, Materials Chemistry and Physics, 2015

Publication date: Available online 29 August 2015 Source:Materials Chemistry and Physics Author(s): Imran M. Mirza, Kashif Ali, A.K. Sarfraz, Atif Ali, A. ul Haq The maghemite (γ-Fe2O3) nanocrystallites have been synthesized by a co-precipitation pyrolsis method through 3h ...

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Probing the interaction of caffeic acid with ZnO nanoparticles

27.08.2015 | Abebe Belay, Hyung Kook Kim, Yoon‐Hwae Hwang, Luminescence, 2015

Abstract The binding of ZnO nanoparticles (NPs) and caffeic acid (CFA) was investigated using fluorescence quenching, UV/vis absorption spectrscopy, Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM) and dynamic light scattering (DLS) at different ...

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Entropy, Vol. 17, Pages 5980-5994: Numerical Investigation into Natural Convection and Entropy Generation in a Nanofluid-Filled U-Shaped Cavity

26.08.2015 | Cho, Ching-Chang ; Yau, Her-Terng ; Chiu, Ching-Huang ; Chiu, Kuo-Ching, Entropy, 2015

This current work studies the heat transfer performance and entropy generation of natural convection in a nanofluid-filled U-shaped cavity. The flow behavior and heat transfer performance in the cavity are governed using the continuity equation, momentum equations, energy equation and Boussinesq ...

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IJMS, Vol. 16, Pages 20139-20151: Huge Inverse Magnetization Generated by Faraday Induction in Nano-Sized Au@Ni Core@Shell Nanoparticles

25.08.2015 | Kuo, Chen-Chen ; Li, Chi-Yen ; Lee, Chi-Hung ; Li, Hsiao-Chi ; Li, Wen-Hsien, International Journal of Molecular Sciences, 2015

We report on the design and observation of huge inverse magnetizations pointing in the direction opposite to the applied magnetic field, induced in nano-sized amorphous Ni shells deposited on crystalline Au nanoparticles by turning the applied magnetic field off. The magnitude of the induced ...

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Thermodynamic considerations in the formation of Janus-like TaSi2/Si nanoparticles by electron-beam evaporation

23.08.2015 | Author(s): Andrei V. Nomoev, Alexander R. Radnaev, Boris B. Baldanov, Nicolai A. Torhov, Bair R. Radnaev, ..., Chemical Physics Letters, 2015

Publication date: 16 September 2015 Source:Chemical Physics Letters, Volume 637 Author(s): Andrei V. Nomoev, Alexander R. Radnaev, Boris B. Baldanov, Nicolai A. Torhov, Bair R. Radnaev, Nicolai A. Romanov, Makoto Schreiber The mechanism of formation of TaSi2/Si Janus ...

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Effect of SiO2 and TiO2 nanoparticle on the properties of phenyl silicone rubber

21.08.2015 | Huan Yang, Qun Gao, Yunting Xie, Qian Chen, Chunfa Ouyang, Yaomin Xu, Xiaoting Ji, Journal of Applied Polymer Science, 2015

ABSTRACT Two types of nanoparticles TiO2 and SiO2 treated with silane coupling agents were incorporated into phenyl silicone rubber at a low concentration (≤1.0%) and cured by the room temperature vulcanized method. The results showed that treated TiO2 or SiO2 nanoparticles improved the ...

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Thermal stimuli‐responsive behavior of pyrene end‐functionalized PDMS through tunable Π–Π interactions

21.08.2015 | Heonjoo Ha, Kadhiravan Shanmuganathan, Yunping Fei, Christopher J. Ellison, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT Pyrene end‐functionalized, telechelic poly(dimethyl siloxane) (PDMS) materials were synthesized and their response to different thermal stimuli was evaluated. The incorporation of pyrene end groups introduces strong π–π interactions that facilitated a broad range of thermally ...

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Preparation of 4,4′‐diaminostilbene‐2,2′‐disulfonic acid intercalated LDH/polypropylene nanocomposites with enhanced UV absorption property

21.08.2015 | Yanshan Gao, Yufei Zhao, Lei Qiu, Zhanhu Guo, Dermot O'Hare, Qiang Wang, Polymer Composites, 2015

The UV absorber 4,4′‐diaminostilbene‐2,2′‐disulfonate (DASDSA) has been successfully intercalated into an inorganic host Zn2Al layered double hydroxide (Zn2Al‐DASDSA LDH), which is expected to lead stabilization and protection of this thermally unstable UV absorber. Using a modified solvent ...

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IJMS, Vol. 16, Pages 19752-19768: Polymer/Iron Oxide Nanoparticle Composites—A Straight Forward and Scalable Synthesis Approach

20.08.2015 | Sommertune, Jens ; Sugunan, Abhilash ; Ahniyaz, Anwar ; Bejhed, Rebecca Stjernberg; Sarwe, Anna ; Johansson, Christe ..., International Journal of Molecular Sciences, 2015

Magnetic nanoparticle systems can be divided into single-core nanoparticles (with only one magnetic core per particle) and magnetic multi-core nanoparticles (with several magnetic cores per particle). Here, we report multi-core nanoparticle synthesis based on a controlled precipitation process ...

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