Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
Australian Journal of Chemistry

Australian Journal of Chemistry

Volume 70 Number 8 2017

CH16383The History of Azulenyl Squaraines

Daniel E. Lynch and Darren G. Hamilton
pp. 857-871
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The first azulenyl squaraine dye was reported in 1966, but little activity in the scientific literature has given the impression that they remain unexplored. However, much has been recorded in the patent literature and it is the purpose of this review to bring this record to the attention of researchers.

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The photocatalytic reaction of prepared Bi2WO6/g-C3N4 composite materials followed a direct solid-state Z-scheme mechanism, which facilitated charge transfer and effectively reduces the recombination of photoinduced electrons and holes, resulting in an enhanced photodegradation efficiency under visible light irradiation.

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Bifunctional magnetic–luminescent Fe3O4@Y2O3:Eu3+, Li+ composite particles were prepared with Y2O3 co-doped with Eu3+ and Li+ ions as a shell to enhance their luminescence intensity and saturation magnetisation through a urea homogeneous precipitation method.

CH17064Influence of Adsorbent Nature on the Dynamic Headspace Study of Insect Semiochemicals

Sergio A. Rodriguez, María L. Paliza and Monica A. Nazareno
pp. 902-907
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Different adsorbents (Tenax TA, Porapak Q, and Hayesep Q, among others) were evaluated in a headspace dynamic system containing a mixture of insect semiochemicals. The results demonstrated that Porapak Q and Porapak Rxn RP were able to produce similar ratios of compounds to that of a standard solution with the highest recovery yields.

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Unique self-assembled nanoparticles with sea urchin-like pointed edges were synthesized by a solvothermal approach. The high value of the apparent rate constant, kapp, is due to the unique morphology of the Co3O4 nanoparticles.

CH17056Tunable Electromagnetic Enhancement of Gold Nanoparticle Arrays

Hailiang Huang, Guobin Yi, Xihong Zu, Benbin Zhong, Wenjing Lin, Minghai Zhang and Hongsheng Luo
pp. 917-922
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The fluorescence and Raman intensity of poly(3-hexylthiophene) (P3HT)-coated gold nanoparticle arrays with different particle sizes and interparticle distances were enhanced in comparison with pristine P3HT due to electromagnetic field enhancement based on localised surface plasmon resonance (LSPR). The fluorescence and Raman signals of P3HT on gold nanoparticle arrays were gradually enhanced with increasing nanoparticle diameter/interparticle distance ratio.

CH17004Ionic Liquid–Liquid Separations Using Countercurrent Chromatography: A New General-Purpose Separation Methodology

Leslie Brown, Martyn J. Earle, Manuela A. Gîlea, Natalia V. Plechkova and Kenneth R. Seddon
pp. 923-932
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A custom-designed liquid–liquid countercurrent chromatographic instrument (above left), based on the J-type centrifuge, in which at least one phase contains an ionic liquid, is capable of the separation of inorganic (above right), organic, or bio-based materials on the 0.1–10 g scale.

CH16720A Novel Eco-Friendly Scale and Corrosion Inhibitor Modified by β-Cyclodextrin

Mingjin Tang, Jianbo Li, Zhengrong Ye, Zimin Kou and Luoping Fu
pp. 933-942
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A polymer, β-MEA, was synthesised from β-cyclodextrin (β-CD), 3-chloro-2-methylpropene (MAC), epoxysuccinic acid (ESA), and 2-acrylamido-2-methyl propane sulfonic acid (AMPS). Its structure, molecular weight, thermal stability, inhibition performance, and mechanism were investigated. The results showed that β-MEA achieves better scale and corrosion inhibition efficiencies compared with poly(aspartic acid) (PASP).

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A novel series of 3D LnIII–CuI heterometallic coordination polymers {[Ln2Cu4I3(ina)7(DMA)2]n·nDMA were synthesised by a solvothermal reaction, comprising of inorganic Cu4I3 clusters linked by Ln2(ina)7(DMA) rod units. The luminescent properties of partial compounds have been investigated in detail.

CH17208Selective Fluorescent Detection of Cysteine over Homocysteine and Glutathione by a Simple and Sensitive Probe

Yan-Fei Kang, Hai-Xia Qiao, Ya-Li Meng, Zhen-Hui Xin, Li-Ping Ge, Ming-Yan Dai, Zhang He and Cun-Hui Zhang
pp. 952-956
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A simple and sensitive fluorescence probe, based on a substituent coumarin as fluorophore and acrylate as recognition site, is able to selectively and quantifiably detect cysteine over other biothiols such as homocysteine and glutathione.

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Professor Kenneth Seddon OBE, one of AJC’s longest-standing Editors, sadly passed away on 21 January from prostate cancer. Ken was one of the world's best ionic liquids experts. His consistent unwavering support, loyalty and advocacy for AJC over the last 10 years will be sorely missed.