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

Australian Journal of Chemistry

Volume 76 Number 10 2023

Special Issue

RACI and AAS Awards 2022–2023

Guest Editor:
Curt Wentrup (School of Chemistry and Molecular Biosciences, The University of Queensland)

CH23115History and fundamentals of molecular photochromism

David Jago 0000-0002-8696-5545, Emma E. Gaschk 0000-0001-5645-2530 and George A. Koutsantonis 0000-0001-8755-3596
pp. 635-654

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In this Primer Review, the topic of molecular photochromism is introduced and fundamental concepts expounded, which should enable researchers interested in the field. Additionally, a history of the development of the area is given which provides perspective on how a field develops. Moreover, key photochromic molecules and selected applications are showcased to provide the interested reader with an entry to this fascinating field of science and emerging technology. (Image credit: David Jago.)

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This Account serves to introduce the world of protein cages to a chemical audience and highlight the many similarities to concepts from supramolecular chemistry, revealing how a knowledge base in chemistry can provide the foundation for valuable insights into fundamental questions and biomolecular engineering challenges in the field of physical virology. (Image credit: Yu Heng Lau.)

CH23131Correlating vapour uptake with the luminescence quenching of poly(dendrimer)s for the detection of nitro group-containing explosives

Kinitra L. Hutchinson, Beta Z. Poliquit, Andrew J. Clulow 0000-0003-2037-853X, Paul L. Burn 0000-0003-3405-3517, Ian R. Gentle and Paul E. Shaw
pp. 677-685

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Thin films of two poly(dendrimer)s differing in conjugation length, steric bulk and surface groups were studied for the detection of trace quantities of nitro-based taggant and explosive vapours. Addition of first-generation biphenyl-based dendrons led to a decrease in mass density, an increase in analyte sorption and improved detection. (Image credit: Paul L. Burn.)


Diagram of iridium and metalloligands combining with Ca2+; graph of resulting metal–organic framework luminescence peak

Three iridium(III) metalloligands containing different cyclometallating ligands were incorporated into Ca2+ metal–organic frameworks yielding luminescent materials. Changing the cyclometalling ligand altered the emission wavelength, highlighting the utility of this approach for the generation of tailored solid-state materials for applications including chemical sensing. (Image credit: C. Hua and T. U. Connell.)

CH23082The extracellular chaperone clusterin prevents primary and secondary nucleation of an amyloidogenic variant of β2-microglobulin

Manjeet Kumar, Cristina Cantarutti, David C. Thorn, Vittorio Bellotti, Gennaro Esposito, Mark R. Wilson, Heath Ecroyd and John A. Carver 0000-0002-2441-8108
pp. 696-708

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Accumulation of β2-microglobin in tissues is responsible for the disease dialysis-related amyloidosis. The D76N mutant is highly amyloidogenic. An in vitro biophysical and spectroscopic investigation of D76N β2-microglobin amyloid fibril formation and its inhibition by the common extracellular chaperone, clusterin, is described. In vivo, clusterin may play an important role in preventing β2-microglobin deposition.

CH23061Exploring colorimetric detection of perfluorooctane sulfonate using micelle solubilised porphyrin

Chloe M. Taylor 0000-0003-3873-5814, Michael C. Breadmore 0000-0001-5591-4326 and Nathan L. Kilah 0000-0002-0615-3791
pp. 709-718

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A proof-of-concept method has been developed to detect perfluorooctanesulfonate (PFOS). A coloured porphyrin host molecule suspended in micelles changes colour when it encounters PFOS. Photographs of the coloured solutions were analysed allowing for the detection of PFOS in water at concentrations as low as 3 ppm.

CH23128Approach to achieve controlled particle size synthesis of non-polar functionalised siloxane particles using a one-pot synthesis

Rowan McDonough 0000-0002-0572-6623, Daniel Mangos, Chris Hassam 0000-0001-9644-093X, Jonathan Campbell 0000-0003-3439-8531 and David A. Lewis 0000-0003-1245-3683
pp. 719-729

Flow chart of two one-pot methods for silica nanoparticle synthesis from functionalised silanes

A scalable methodology that allows particles based on trialkoxy siloxanes with non-polar substituents to be synthesised in a one-pot reaction through the controlled addition of the reactants is reported. By dispersing the trialkoxy silane precursor prior to addition to the reaction solution, excellent control of particle size and dispersity can be achieved for systems not normally compatible with Stober methods.

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