On the concentration dependence of the up-conversion process of Pr 3+ doped Li 2 CaSiO 4
Franziska Schröder, Stefan Fischer, Thomas Jüstel Up-conversion particles convert visible light into UV-C radiation upon illumination. The obtained UV spectrum is capable of inactivating exposed microorganisms. If particles are in the shade, UV radiation is no longer generated, which means that the user is not exposed to harmful UV radiation. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - June 7, 2022 Category: Chemistry Authors: Franziska Schr & #xf6;der Stefan Fischer Thomas J & #xfc;stel Source Type: research
A mitochondria-targeted probe containing multi-rotors for visualizing the viscosity change in living cells
Shuting Shen, Kun Yu, Yaxuan Wang, Zhiyu Wang, Lei Hu, Hui Wang (1) MV-indol can quantitatively detect viscosity with a high selectivity and a 75-fold enhancement in QY. (2) The mechanism for detection viscosity was confirmed by TD-DFT. (3) MV-indol can precisely localize in mitochondria and monitor the change of mitochondrial viscosity at the cellular level. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 30, 2022 Category: Chemistry Authors: Shuting Shen Kun Yu Yaxuan Wang Zhiyu Wang Lei Hu Hui Wang Source Type: research
Halogenation of calix[4]arenes by [I(py) 2 ]I 3 & #xb7;2I 2 & #x2020;
Peter Hahn, Till Köhler, Martin Börner, Berthold Kersting [I(py)2]I3·2I2 selectively iodinates electron-rich phenol groups of calix[4]arenes. Less electron-rich aryl rings remain unaffected. Self-inclusion of iodinated calix[4]arenes occurs in the solid state. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 26, 2022 Category: Chemistry Authors: Peter Hahn Till K & #xf6;hler Martin B & #xf6;rner Berthold Kersting Source Type: research
Fluorescent assay for carbendazim determination using aptamer and SYBR Green I
Yuzheng Shi, Xicheng Xie, Lumei Wang, Linzheng Wang, Lingyun Li, Zhiyu Yan, Guoqing Shen This paper proposes a fluorescent aptasensor for detecting carbendazim (CBZ) based on the interaction among CBZ, CBZ-aptamer and Synergy Brands, SYBR Green I (SG-I). The results show the aptasensor has a linear range from 3.58 to 230 nM and a good limit of detection (LOD) of 3.58 nM. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 24, 2022 Category: Chemistry Authors: Yuzheng Shi Xicheng Xie Lumei Wang Linzheng Wang Lingyun Li Zhiyu Yan Guoqing Shen Source Type: research
Solubility of carbon dioxide in some imidazolium and pyridinium-based ionic liquids and correlation with NRTL model
Narmin Noorani, Abbas Mehrdad The solubility of CO2 in some of ionic liquids (ILs) was measured. CO2 solubility in ILs with different alkyl chain lengths in the cation increased with increasing alkyl chain length. Also, CO2 solubility increased with increasing anion basicity. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 24, 2022 Category: Chemistry Authors: Narmin Noorani Abbas Mehrdad Source Type: research
Continuous flow in situ shear stress induced encapsulation of curcumin within spheroidal bovine serum albumin-based nanoparticles
Abeer Yahia H. Alamry, Ahmed Hussein Mohammed Al-Antaki, Xuan Luo, Colin L. Raston The continuous flow synthesis of bovine serum albumin nanospheres (BNPs) and their composite with curcumin is vortex fluidic mediated. BNPs of ca. 531 nm in diameter are formed at 5k rpm in a single step process, while BNPs of ca. 615 nm in diameter are formed in the presence of curcumin. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 24, 2022 Category: Chemistry Authors: Abeer Yahia H. Alamry Ahmed Hussein Mohammed Al-Antaki Xuan Luo Colin L. Raston Source Type: research
Exploring the electronic properties of N-doped graphene on graphitic and pyridinic models and its interaction with K + ions using the DFTB method
Yuniawan Hidayat, Fitria Rahmawati, Khoirina Dwi Nugrahaningtyas, Abdurro’Uf Althof Abiyyi, Mohamad Zola Erlangga, Nourma Pujiastuti The band structure of graphene, N-graphitic graphene, defect-graphene, and N-pyridinic graphene reveals the band opening features that influence adsorption interactions with K+ ions. The ease with which K+ ions interact on the graphene surface is facilitated by a larger bandgap energy. The bandgap energies of vacantcy-containing graphene and N-pyridine-doped graphene are larger, leading to greater K+ ion interactions. In the pyridine ...
Source: Australian Journal of Chemistry - May 20, 2022 Category: Chemistry Authors: Yuniawan Hidayat Fitria Rahmawati Khoirina Dwi Nugrahaningtyas Abdurro & #x2019;Uf Althof Abiyyi Mohamad Zola Erlangga Nourma Pujiastuti Source Type: research
Long-lifetime green-emitting Tb 3+ complexes for bacterial staining
Weronika Rochowiak, Ewa Kasprzycka, Israel P. Assunção, Ulrich Kynast, Marina Lezhnina Bacteria can be stained with Tb salts of flufenamic acid to yield narrow-line green-emitting microbes that can optimally be excited at 365 nm, i.e. with high-power UV-light-emitting diodes (LEDs). The bacteria furthermore exhibit advantageously long lifetimes in the millisecond range – good conditions for e.g. luminescence microscopy and time-gated analyses. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 18, 2022 Category: Chemistry Authors: Weronika Rochowiak Ewa Kasprzycka Israel P. Assun & #xe7; & #xe3;o Ulrich Kynast Marina Lezhnina Source Type: research
Advanced inorganic chemistry laboratory curricula in Australian universities: investigating the major topics and approaches to learning
This study investigates the content, scope and approaches to learning in advanced (third-year) inorganic chemistry laboratory curricula at Australian universities. Staff at 19 of the 23 Australian institutions that offer undergraduate degrees with a Chemistry major participated in this study. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 17, 2022 Category: Chemistry Authors: Alex C. Bissember Timothy U. Connell Rebecca O. Fuller Reyne Pullen Alexandra Yeung Source Type: research
Ba 21 [BN 2 ] 11 [C 2 ] 4 : a subvalent compound with an excess electron & #x2013; synthesis, crystal structure and Raman spectrum of an unprecedented alkaline-earth metal nitridoborate carbide & #x2020;
Olaf Reckeweg, Falk Lissner, Jean-Louis Hoslauer, Thomas Schleid The new compound Ba21[BN2]11[C2]4 was obtained by a high-temperature solid-state reaction crystallising in a complex novel crystal structure. The shiny black crystals are sensitive to oxygen, water and electromagnetic radiation. Ba21[BN2]11[C2]4 is a subvalent compound with one excess electron per formula unit, similar to binary barium subnitrides. In the extended unit cell of Ba21[BN2]11[C2]4, the [BN2]3− and [C2]2− anions provide coordination numbers of 7 to 9 for the Ba2+ cations with their terminal atoms by ...
Source: Australian Journal of Chemistry - May 17, 2022 Category: Chemistry Authors: Olaf Reckeweg Falk Lissner Jean-Louis Hoslauer Thomas Schleid Source Type: research
A sensitiveWS 2 nanosheet sensing platform based on chemiluminescence resonance energy transfer for the detection of ochratoxin A
In this study, lambda exonuclease (λexo) was added to catalyse the degradation of phosphate-DNA in the dsDNA, which can then provide a stable supply of a form of the OTA aptamer-12-mer linker-DNAzyme that can easily bind to hemin and OTA. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - May 13, 2022 Category: Chemistry Authors: Guoxin Qin Qifeng Zhou Huiling Li Feiyan Yan Jie He Yuning Wei Haijun Wang Yongxian Chen Shuibing Lao Yuxia Yang Lihong Luo Renfu Mo Source Type: research
Research progress on hydroxyl protection of iridoid glycosides
Yuanfang Kong, Bin Yang, Jingyu Zhang, Chunhong Dong - Volume 75(4) Iridoid glycosides are polyhydroxy compounds so it is challenging to modify the hydroxyl groups at their specific sites. In this paper, according to literature on hydroxyl protection and based on our practical research work on iridoid glycosides, the methods and applications of iridoid glycosides in hydroxyl protection were summarized and analyzed which laid a research foundation for the development of new iridoid glycosides. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - April 13, 2022 Category: Chemistry Authors: Yuanfang Kong Bin Yang Jingyu Zhang Chunhong Dong Source Type: research
Nitrogen & #x2013;fluorine-codoped TiO 2 /Zn based MOF binary composites for efficient removal of bisphenol A under visible light
In this study, N–F-TiO2/ZIF-8 nanocomposites with visible light activity were prepared by an in situ heterogeneous deposition method. The dissolved O2 captured the photogenerated electron (e−) at the conduction band of N–F-TiO2 to produce the superoxide radical anion (˙O2−) to degrade bisphenol A. The holes (h+) on the valence band (VB) of N–F-TiO2 could transfer to the VB of ZIF-8. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - April 8, 2022 Category: Chemistry Authors: Yun Zhou Sheng Feng Xiongjun Yuan Cong Shao Wei Zheng Wei Wu Chunying Duan Shaojuan Zeng Source Type: research
Synthesis of novel drug-like small molecules library based on 1H-benzo[d]imidazole
Tejasvi H. Parmar, Chetan B. Sangani, Mahesh Kulkarni A series of novel ‘drug-like’ small molecules based on 1H-benzo[d]imidazole derivatives bearing furan-2-yl, 4-piperidine and 5-aryl/aminoaryl substitutions were designed and synthesised. The optimised procedure gave easy access to two novel molecular libraries of 1H-benzo[d]imidazoles with operational simplicity and good yield. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - April 8, 2022 Category: Chemistry Authors: Tejasvi H. Parmar Chetan B. Sangani Mahesh Kulkarni Source Type: research
Coordination polymers based on aluminum and indium halides together with pyrazine & #x2020;
Thomas C. Schäfer, Jonathan Becker, Dominik Heuler, Marcel T. Seuffert, Alexander E. Sedykh, Klaus Müller-Buschbaum Reactions of aluminum and indium halides including chlorides, bromides and iodides with pyrazine (pyz) lead to one-dimensional coordination polymers and molecular complexes with coordination numbers ranging from four to six. The degree of linkage of pyrazine discriminates between polymers and complexes. (Source: Australian Journal of Chemistry)
Source: Australian Journal of Chemistry - April 7, 2022 Category: Chemistry Authors: Thomas C. Sch & #xe4;fer Jonathan Becker Dominik Heuler Marcel T. Seuffert Alexander E. Sedykh Klaus M & #xfc;ller-Buschbaum Source Type: research
