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Video
The seminar commenced with a warm welcome and introduction of the speaker by Prof. CHEN Qingyan, Director of PAIR. Prof. Pui began his presentation by outlining the recent advancements in nanoparticle technologies, covering instrumentation developments, ISO standards and industry partnerships. He then delved into the applications of nanoparticle technologies in four interdisciplinary areas:
Microelectronics: Contamination control in Extreme UV Lithography (EUVL) systems;
Air Quality: PM2.5 mitigation, respirators, and indoor and urban pollution controls;
Health Effects: Nanomedicine, bioaerosol sensors, UV-C decontamination; and
Filtration: Prediction of filter media performance and wildfire impacts on electret filter efficiency, and large-scale direct-capture of atmospheric CO2 to combat climate change.
In his closing remarks, Prof. Pui highlighted that nanoparticles are involved in multiple disciplines, bringing both benefits and potential harm to the environment, human health and semiconductor manufacturing. He underscored the importance of collaborative fundamental and applied research between academia and industry to foster a sustainable future, urging stronger partnerships among governments, industries and researchers to create a healthier and more prosperous society in the long run.
Event date: 13/06/2025
Speaker: Prof. David Y. H. PUI
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Environmental Engineering
- Keywords:
- Nanostructured materials Environmental health Nanotechnology Environmental engineering
- Resource Type:
- Video
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Video
Lu began his presentation with a brief outline of the role of functional nanomaterials in addressing global challenges and advancing green hydrogen technologies. He highlighted the critical importance of electrodes, membranes, catalysts and photocatalysts in enhancing the efficiency and scalability of electrolysis and photocatalysis systems, as well as the significance of solid-state storage materials in overcoming challenges related to hydrogen storage and distribution, noting that some low-pressure solutions are already in use.
Still, Prof. Lu emphasised that further technological innovations are needed to reduce costs and enhance performance. He explained that green hydrogen is a valuable energy carrier; it can not only contribute to decarbonisation in the power sector, but also act as zero-emission fuel for sea, land and air freight, which is crucial for the achievement of a net-zero future by 2050. In conclusion, Prof. Lu called on the academic community to accelerate the commercialisation of new materials for the construction of cost-effective hydrogen infrastructure, and urged researchers to bridge the gap between technology R&D and practical applications.
Event date: 20/05/2025
Speaker: Prof. G.Q. Max LU
Hosted by: PolyU Academy for Interdisciplinary Research
- Keywords:
- Clean energy Nanotechnology Hydrogen as fuel
- Resource Type:
- Video
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Video
Prof. Alvarez discussed the emerging opportunities that nanotechnology offers to revolutionise water treatment systems. He explained how it can improve pollutant-removal efficiency, reduce energy consumption, and enable cost-effective decentralised solutions. Illustrative examples included: Electrosorption using highly conductive and selective electrodes to remove multivalent ions that can cause scaling.
Solar-thermal processes, enabled by nanophotonics, to desalinate with membrane distillation.
Disinfection and advanced oxidation using nanocatalysts.
Electrocatalytic degradation of recalcitrant organic pollutants of emerging concern.
In conclusion, Prof. Alvarez affirmed that nanotechnology holds significant promise for advancing sustainable resources management, enabling safe and low-energy water treatment and reuse. He envisioned that high-performance modular systems that would deliver multifunctional solutions with minimal infrastructure requirements.
Event date: 06/05/2025
Speaker: Prof. Pedro ALVAREZ
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Environmental Engineering
- Keywords:
- Water -- Purification -- Technological innovations Nanotechnology
- Resource Type:
- Video
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Video
Nearly every other year the transistors that power silicon computer chip shrink in size by half and double in performance, enabling our devices to become more mobile and accessible. But what happens when these components can't get any smaller? George Tulevski researches the unseen and untapped world of nanomaterials. His current work: developing chemical processes to compel billions of carbon nanotubes to assemble themselves into the patterns needed to build circuits, much the same way natural organisms build intricate, diverse and elegant structures. Could they hold the secret to the next generation of computing?
- Subjects:
- Nanotechnology and Electric and information Engineering
- Keywords:
- Nanoelectromechanical systems Nanotechnology
- Resource Type:
- Video
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e-journal
OMICS International is an interactive open access journal for the communication of all scientific and medical research.
- Keywords:
- Nanomedicine Biomedical materials Nanotechnology Biotechnology Computational biology Pharmacology
- Resource Type:
- e-journal
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Courseware
This course encourages creative thinking through hands-on experience via building, observing and manipulating micro-and nano-scale structures. Students learn about underlying science and engineering principles and possible applications.
- Subjects:
- Mechanical Engineering
- Keywords:
- Microtechnology Nanotechnology
- Resource Type:
- Courseware