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Painless drug delivery via melting ice microneedle patches
A research team led by biomedical engineers at CityU has developed a new generation of microneedle patches made of ice that melt after the pain-free delivery of drugs.
World’s first new discovery of liquid directional steering in two centuries
CityU scientists have discovered that the spreading direction of different liquids deposited on the same surface can be steered, a challenge that had remained unsolved for over two centuries.

CityU’s new fast-track ventilation system can thoroughly filter Covid-19
A new ventilation system developed by a research team at CityU can thoroughly filter viral particles and quickly stop the spread of Covid-19 in the air and at low cost.
Flexible electronic sensors enable more exhaustive joint health monitoring
Joint disorders due to prolonged sedentary postures at work can now be effectively prevented and rehabilitated thanks to a new sensor developed at CityU.
Major award recognises CityU’s push for high-performance photonic chips
Dr Wang Cheng has received a prestigious award for his innovative work on novel photonic chips for optical communication.
Pioneering ‘synapses’ promise record-low energy use for future AI
The energy consumption of a new artificial visual system developed through joint research led by CityU can be reduced by over 90% per synaptic event when compared to synapses in the human brain.
Health and medical research funding for three Covid-19 projects
Three projects at CityU have been granted $8.3 million in funding by the Health and Medical Research Fund under the Food and Health Bureau, spotlighting our valuable contributions to fighting Covid-19.
Boosting Solar Energy Conversion Efficiency
A three-fold improvement in the efficiency of solar-to-hydrogen energy conversion can facilitate solar energy harvesting technology, according to the research team led by Dr Sam Hsu Hsien-yi, Assistant Professor in the School of Energy and Environment at CityU.
CityU develops novel computer tool for studying cells
Scientists at CityU have developed a novel computer tool to extract, track and visualize cells, and analyze the formation, structure and functions of Caenorhabditis elegans during cell division.
Breakthrough research heralds a new diamond age
A joint research team led by CityU has successfully achieved elastic straining of diamond at an unprecedented level, a breakthrough that heralds a new diamond age in the utilisation of the gemstone in microelectronics, photonics, and quantum information technologies.

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