Centrifugal and shear forces are produced when solids or liquids rotate.Rotary systems and devices that use these forces,such as dynamic thin-film flow technology,are evolving continuously,improve material structure-p...Centrifugal and shear forces are produced when solids or liquids rotate.Rotary systems and devices that use these forces,such as dynamic thin-film flow technology,are evolving continuously,improve material structure-property relationships at the nanoscale,representing a rapidly thriving and expanding field of research high with green chemistry metrics,consolidated at the inception of science.The vortex fluidic device(VFD)provides many advantages over conventional batch processing,with fluidic waves causing high shear and producing large surface areas for micro-mixing as well as rapid mass and heat transfer,enabling reactions beyond diffusion control.Combining these abilities allows for a green and innovative approach to altering materials for various research and industry applications by controlling small-scale flows and regulating molecular and macromolecular chemical reactivity,self-organization phenomena,and the synthesis of novel materials.This review highlights the aptitude of the VFD as clean technology,with an increase in efficiency for a diversity of top-down,bottom-up,and novel material transformations which benefit from effective vortex-based processing to control material structure-property relationships.展开更多
Lipid bodies are dynamic organelles of photosynthetic microalgae that can be used as the third generation resources for biofuel production.Biosynthesis of lipids can be influenced by different signalling processes.Vis...Lipid bodies are dynamic organelles of photosynthetic microalgae that can be used as the third generation resources for biofuel production.Biosynthesis of lipids can be influenced by different signalling processes.Visualisation of these processes can provide useful information about the fate and associated roles of lipid molecules in different biological systems.In photosynthetic organisms,however,studies of calcium ediated lipid biosynthesis is bottlenecked due to the limitation of proper and efficient technologies,which also include visualisation techniques.Currently,most studies to visualise lipid droplets in vivo have used traditional dyes,and proper visualisation of lipid drops is hindered by dye-specific limitations.This hurdle could be overcome by using recently developed aggregation-induced emission biooprobes.This review reveals current knowledge gaps in the studies of lipid drops and calcium ions in microalgae,as calcium signaling is important secondary messenger to detect a wide variety of environmental stimuli in plant and animal cells.To obtain insight into the mechanisms of these processes,the merits and demerits of currently available visualisation techniques for lipid drops and calcium are also detailed.Finally,opportunities and possibilities are proposed to recommend further improvement of techniques for detecting the role of calcium during lipid formation in microalgae for biofuel production.展开更多
Organic and inorganic clusteroluminescence have attracted great attention while the underlying mechanisms is still not well understood.Here,we employed a series of ancient inorganic complexes platinocyanides with aggr...Organic and inorganic clusteroluminescence have attracted great attention while the underlying mechanisms is still not well understood.Here,we employed a series of ancient inorganic complexes platinocyanides with aggregation-induced emission property to elucidate the mechanism of clusteroluminescence including how does the chromophore form and how does the solid structures influence the luminescence behaviors.The results indicate that the isolated platinocyanide cannot work as a chromophore to emit visible light,while their clusterization at aggregate state can trigger the d-orbitals coupling of the platinum atoms to facilitate the electron exchange and delocalization to form a new chromophore to emit visible light.Furthermore,the counter ions and H2O ligands help to rigidify the three-dimensional network structure of the platinocyanides to suppress the excited state nonradiative decay,resulting in the high quantum yield of up to 96%.This work fundamentally helps understanding both the organic and inorganic clusteroluminescence phenomenon.展开更多
基金Postgraduate Research Scholarship and Flinders University Research Investment Fund 2022,and the Australian Research Council,Grant/Award Numbers:DP200101105,DP200101106。
文摘Centrifugal and shear forces are produced when solids or liquids rotate.Rotary systems and devices that use these forces,such as dynamic thin-film flow technology,are evolving continuously,improve material structure-property relationships at the nanoscale,representing a rapidly thriving and expanding field of research high with green chemistry metrics,consolidated at the inception of science.The vortex fluidic device(VFD)provides many advantages over conventional batch processing,with fluidic waves causing high shear and producing large surface areas for micro-mixing as well as rapid mass and heat transfer,enabling reactions beyond diffusion control.Combining these abilities allows for a green and innovative approach to altering materials for various research and industry applications by controlling small-scale flows and regulating molecular and macromolecular chemical reactivity,self-organization phenomena,and the synthesis of novel materials.This review highlights the aptitude of the VFD as clean technology,with an increase in efficiency for a diversity of top-down,bottom-up,and novel material transformations which benefit from effective vortex-based processing to control material structure-property relationships.
基金International Research Grant(International Laboratory for Health Technologies)of South Australia for supportRaston CL is grateful for support from the Australian Research CouncilMa Y is grateful for the support from the National Natural Science Foundation of China(51679183)。
基金supported by the Australia-China Science and Research Fund-Joint Research Centre on Personal Health Technologiesprovided by Microscopy Australia and the Australian National Fabrication Facility at the South Australia nodes under the National Collaborative Research Infrastructure Strategy are also acknowledged.
文摘Lipid bodies are dynamic organelles of photosynthetic microalgae that can be used as the third generation resources for biofuel production.Biosynthesis of lipids can be influenced by different signalling processes.Visualisation of these processes can provide useful information about the fate and associated roles of lipid molecules in different biological systems.In photosynthetic organisms,however,studies of calcium ediated lipid biosynthesis is bottlenecked due to the limitation of proper and efficient technologies,which also include visualisation techniques.Currently,most studies to visualise lipid droplets in vivo have used traditional dyes,and proper visualisation of lipid drops is hindered by dye-specific limitations.This hurdle could be overcome by using recently developed aggregation-induced emission biooprobes.This review reveals current knowledge gaps in the studies of lipid drops and calcium ions in microalgae,as calcium signaling is important secondary messenger to detect a wide variety of environmental stimuli in plant and animal cells.To obtain insight into the mechanisms of these processes,the merits and demerits of currently available visualisation techniques for lipid drops and calcium are also detailed.Finally,opportunities and possibilities are proposed to recommend further improvement of techniques for detecting the role of calcium during lipid formation in microalgae for biofuel production.
基金National Natural Science Foundation of China,Grant/Award Numbers:21788102,52003228Science and Technology Plan of Shenzhen,Grant/Award Number:JCYJ20180306174910791+2 种基金Natural Science Foundation of Guangdong Province,Grant/Award Number:2019B121205002Research Grants Council of Hong Kong,Grant/Award Numbers:N_HKUT609/19,16305518,A-HKUST605/16,C6009-17GInnovation and Technology Commission,Grant/Award Numbers:ITC-CNERC14SC01,ITCPD/17-9。
文摘Organic and inorganic clusteroluminescence have attracted great attention while the underlying mechanisms is still not well understood.Here,we employed a series of ancient inorganic complexes platinocyanides with aggregation-induced emission property to elucidate the mechanism of clusteroluminescence including how does the chromophore form and how does the solid structures influence the luminescence behaviors.The results indicate that the isolated platinocyanide cannot work as a chromophore to emit visible light,while their clusterization at aggregate state can trigger the d-orbitals coupling of the platinum atoms to facilitate the electron exchange and delocalization to form a new chromophore to emit visible light.Furthermore,the counter ions and H2O ligands help to rigidify the three-dimensional network structure of the platinocyanides to suppress the excited state nonradiative decay,resulting in the high quantum yield of up to 96%.This work fundamentally helps understanding both the organic and inorganic clusteroluminescence phenomenon.
