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Inborn defensive behaviours, such as flight, freeze and fight, are crucial for animals to survive in a dangerous environment in nature. Neuroscientists from City University of Hong Kong (CityU) recently revealed the essential neurocircuitry that is fundamental for animals to perceive and integrate environmental cues to initate defensive behaviour.
A research team co-led by chemists from City University of Hong Kong (CityU) and Imperial College London (Imperial College) has developed new, highly efficient and stable perovskite solar cells.
Two-dimensional (2D) transition metal dichalcogenides (TMDs), an emerging class of materials that can be used as semiconductors and insulators, have promising potential in various applications due to their unique properties. But the reliable production of these atomically thin 2D materials has been challenging.
It is well known that washing clothes can release a large number of microfibers into wastewater, but it is unclear whether drying of clothes would have any impact on the environment. A pilot study by scientists from City University of Hong Kong (CityU) reports that a single clothes dryer can discharge up to 120 million microfibres annually — 1.4 to 40 times of that from washing machines.
To support hospitals in Hong Kong to handle the surge in the number of patients amid the fifth wave of COVID-19 in the city, City University of Hong Kong (CityU) modified its fast-track ventilation system invention to meet the practical needs on the medical front line.
Researchers at City University of Hong Kong (CityU) received tremendous accolades at Inventions Geneva Evaluation Days (IGED) 2022 by winning a total of 22 awards, the highest number among local institutions for two years in a row, including one Gold Medal with Congratulations of the Jury, six Gold Medals, 13 Silver Medals and two Bronze Medals.
Droplet manipulation has important applications in areas such as heat management, water harvesting, and chemical reactions. A research team from City University of Hong Kong (CityU) developed a multi-functional electrostatic droplet tweezer that can precisely “trap” liquid droplets and remotely guide their motion on flat and tilted surfaces, and in oil mediums.
In a world first, a team co-led by a physicist at City University of Hong Kong (CityU) has discovered that excitons—excited electrons bound to empty electron “holes”—can exist stably and travel rapidly through metal.
A nanofiber-based biodegradable millirobot, called “Fibot”, was successfully developed in research led by a scholar from City University of Hong Kong (CityU). Fibot can move in the intestines and degrade in response to the pH of its environment, thus releasing different drugs in different anchored positions.
A recent global study, with the participation of scholars from City University of Hong Kong (CityU), found broad contamination of common pharmaceuticals in many of the world’s rivers, including two Hong Kong rivers: the Kai Tak River and the Lam Tsuen River.