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27,739 Newest Publications about the topic solution

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Growth of hexagonal polyaniline fibers with polyacrylamide pendants

14-09-2013 | Xiaoxu Chen, Hongyuan Cai, Qunwei Tang, Danwei Liang, Min Wang, Benlin He, Polymer Composites, 2013

A new concept of synthesizing hexagonal polyaniline (PANi) fibers with polyacrylamide (PAAm) pendants in PAAm oligomer (oligo‐PAAm) colloid is proposed. The size and morphology of the composite fibers can be controlled by adjusting the synthesis conditions. A possible growth mechanism of the ...

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Rhenium‐Catalyzed Synthesis of 3‐Imino‐1‐isoindolinones by CH Bond Activation: Application to the Synthesis of Polyimide Derivatives

13-09-2013 | Shunsuke Sueki, Yuanfang Guo, Motomu Kanai, Yoichiro Kuninobu, Angewandte Chemie International Edition, 2013

Polyimide solution: Synthesis of the title compounds from aromatic imidates and isocyanates in good to excellent yields by a rhenium‐catalyzed CH bond transformation is described. The reaction also proceeded in high yield on gram scale and could be applied to the synthesis of polyimide ...

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Fluorescence Lifetime Imaging and FRET‐Induced Intracellular Redistribution of Tat‐Conjugated Quantum Dot Nanoparticles through Interaction with a Phthalocyanine Photosensitiser

13-09-2013 | Elnaz Yaghini, Francesca Giuntini, Ian M. Eggleston, Klaus Suhling, Alexander M. Seifalian, Alexander J. MacRobert, Small, 2013

The interaction of Tat‐conjugated PEGylated CdSe/ZnS quantum dots (QD) with the amphiphilic disulfonated aluminium phthalocyanine photosensitiser is investigated in aqueous solution and in a human breast cancer cell line. In aqueous solution, the QDs and phthalocyanine form stable ...

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Giant Electrocaloric Response Over A Broad Temperature Range in Modified BaTiO3 Ceramics

13-09-2013 | Xiao‐Shi Qian, Hui‐Jian Ye, Ying‐Tang Zhang, Haiming Gu, Xinyu Li, C. A. Randall, Q. M. Zhang, Advanced Functional Materials, 2013

A giant electrocaloric effect (ECE) near room temperature is reported in a lead‐free bulk inorganic material. By tuning Ba(ZrxTi1–x)O3 compositions which also exhibit relaxor ferroelectric response to near the invariant critical point, the Ba(ZrxTi1–x)O3 bulk ceramics at x ∼ 0.2 exhibit a large ...

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Self‐Assembled Platinum Nanochain Networks Driven by Induced Magnetic Dipoles

13-09-2013 | Min‐Rui Gao, Shi‐Ran Zhang, Yun‐Fei Xu, Ya‐Rong Zheng, Jun Jiang, Shu‐Hong Yu, Advanced Functional Materials, 2013

Developing a reliable technique to organize nanoscale building blocks into ordered one‐dimensional assemblies is of particular interest in a range of practical applications. Here, for the first time, it is reported that platinum (Pt) nanoparticle chain networks can be assembled spontaneously in ...

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Production of polyamic acid in supercritical carbon dioxide with N,N‐dimethylformamide

13-09-2013 | Masashi Haruki, Yumi Hasegawa, Naoya Fukui, Shin‐ichi Kihara, Shigeki Takishima, Journal of Applied Polymer Science, 2013

ABSTRACT To develop a microscale processing technique for aromatic polyimides (APIs) in supercritical carbon dioxide (scCO2), the relationships between the polymerization condition, the phase behavior during polymerization and the molecular weight of polyamic acid (PAA)—an intermediate in the ...

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Composite films of N,O‐carboxymethyl chitosan and bamboo fiber

13-09-2013 | Xue Zheng, Hao Zhang, Ying She, Junwen Pu, Journal of Applied Polymer Science, 2013

ABSTRACT To obtain an antibacterial chitosan derivative, composite films of N,O‐Carboxymethyl Chitosan (N,O‐CMCS) and bamboo fiber were prepared. A water‐soluble chitosan derivative‐N,O‐CMCS was synthesized from chitosan with chloroacetic acid in alkaline solution. Composite films with 1–5 wt ...

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The Effects of a Pickling Process on the Reduction of Escherichia coli O157:H7, Listeria monocytogenes, Salmonella spp. and Staphylococcus aureus Inoculated onto Hard‐Cooked Eggs

13-09-2013 | Joshua A. Scheinberg, Wladir B. Valderrama, Catherine N. Cutter, Journal of Food Safety, 2013

Abstract Traditional methods of food preservation, such as pickling, have reemerged as popular approaches for home and commercial food processing. The process of pickling hard‐cooked eggs (HCE) can be an effective method of preventing the growth and survival of pathogenic microorganisms. ...

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Montmorillonite‐reinforced sulfonated poly(phthalazinone ether sulfone ketone) nanocomposite proton exchange membranes for direct methanol fuel cells

13-09-2013 | Zhengwen Hu, Gaohong He, Shuang Gu, Yuanfa Liu, Xuemei Wu, Journal of Applied Polymer Science, 2013

ABSTRACT To produce a composite membrane with high conductivity and low permeability, SPPESK with a degree of sulfonation of 101% was carefully selected for the preparation of montmorillonite (MMT)‐reinforced SPPESK using solution intercalation. The fundamental characteristics such as water ...

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Extraction of protein from skim natural rubber latex using PEG as a surfactant via low speed centrifugation and continuous flow

13-09-2013 | Duangkamol Danwanichakul, Ornthana Rattanaphan, Jirarat Srisatjang, Panu Danwanichakul, Journal of Applied Polymer Science, 2013

ABSTRACT Protein extractions from skim natural rubber latex using 3 %w/v polyethylene glycol (PEG6000) via both low speed centrifugation and continuous flow were investigated. In centrifugal extraction, when the speed was 1000 rpm, the extractable protein (EP) content in serum increased with ...

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