Researchers from City University of Hong Kong developed a new ultra-stable hydrogen evolution reaction electrocatalyst based on two-dimensional mineral gel nanosheets. The catalyst exhibits excellent electrocatalytic activity and long-term durability, with an overpotential of only 38.5 mV at 10 mA cm−2.
A research team led by City University of Hong Kong neuroscientist Dr. Geoffrey Lau Chun-yue identified a new drug candidate, D4, that selectively blocks connexin hemichannels to suppress neuroinflammation and curbs TLE seizures in a mouse model. The findings suggest a promising new treatment strategy for epilepsy.
Researchers at City University of Hong Kong found that tailoring cobalt concentration in high entropy alloys prevents nanoparticles from coarsening at high temperatures. This strategy opens a pathway for designing novel thermally stable chemically complex alloys for various engineering fields.
A new nationwide study found that 34.7% of Canadians experienced severe loneliness in January 2021, with migrants and those experiencing job insecurity being most at risk.
A research team developed a smart mask integrating an ultrathin soundwave sensor that detects breathing, coughing, and speaking sounds. The mask uses machine-learning algorithms to identify respiratory diseases and improve public health by enabling prolonged monitoring.
Researchers discovered a novel metallic crystal, Kagome metal, with unusual electronic behavior on its surface. The material's unique atomic structure allows for the manipulation of electrons' spin chirality, which can be controlled by applying a local voltage.
A team co-led by CityU developed a wearable electrotactile rendering system that can mimic the sensation of touch with high spatial resolution and a rapid response rate. The device has various application potential, including enhancing VR/AR experiences and facilitating work in thick gloves.
Researchers have discovered an innovative way to enhance the energy efficiency of metal-carbon dioxide batteries by introducing unconventional phase nanomaterials as catalysts. The novel design boosts battery energy efficiency up to 83.8%, contributing to carbon-neutral goals.
The book analyzes four Asian jurisdictions and offers policy recommendations for the design of corporate restructuring laws. It highlights the importance of adapting US/UK frameworks to local conditions, taking into account differences in institutional and market structures, controlling shareholders, and creditor composition.
Researchers at City University of Hong Kong create lightweight, ultra-tough hybrid carbon microlattices that are 100 times stronger and doubled in ductility compared to original polymers. The new method enables the creation of sophisticated 3D parts with tailored mechanical properties for various applications.
A research team led by City University of Hong Kong discovered a new mechanism that increases both strength and ductility in high-entropy alloys. The findings provide insights for designing strong yet ductile materials and ceramics.
A research team led by Dr Chen Ting-Hsuan developed a new rapid antibody test that shows the level of antibodies readable by the naked eye, displaying results as a length of a visual bar like a mercury thermometer.
Researchers at City University of Hong Kong have identified the key mechanism behind roundworms' precise bowel movements, revealing a synchronized nerve impulse between the brain and gut. The study found that the AVL nerve cell in the head regulates the defecation rhythm by relaying and modulating pacemaker signals from the gut.
Researchers at City University of Hong Kong have successfully developed a novel Vacuum Ultra-Violet (VUV) meta-lens, which can generate and focus the VUV light. The focused VUV light source enables nanolithography, material processing, and advanced manufacturing applications.
Researchers at City University of Hong Kong developed a simple exfoliation method to prepare ultrathin films of small intestine tissues, which exhibit piezoelectricity. The team's findings reveal the hierarchical structure of collagen fibers as the key to generating the piezoelectric effect.
Researchers developed a simple physical model to explain DNA deformations caused by ions and temperature changes. The model reveals that salt-induced twist changes are driven by electrostatic interactions, while temperature-induced changes are related to DNA diameter variation. These findings provide new insights into the molecular mec...
A research team developed a new approach to generate deep-ultraviolet lasing through a 'domino upconversion' process of nanoparticles using near-infrared light. This breakthrough enables the construction of miniaturised high energy lasers for bio-detection and photonic devices.
A new type of RNA structure targeting tool has been developed to specifically recognise unusual four-strand RNA structures associated with diseases such as cancer and neurological disorders. The L-RNA aptamer-based rG4 targeting approach shows promise for developing new therapeutic tools.
A new nanofiber-based biodegradable millirobot called Fibot can move in the intestines and release different drugs at anchored positions. Fibot's degradation capability is pH-responsive, allowing for controlled drug release.
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
A research team from City University of Hong Kong and Imperial College London developed a new strategy for highly efficient and stable perovskite solar cells using ferrocene molecules. The breakthrough invention can achieve efficiency of up to 25% while maintaining stability, making it a promising alternative to silicon solar cells.
A recent study by CityU researchers found that clothes dryers are a significant source of airborne microfibers, with some releasing up to 40 times more than washing machines. The team suggests installing filtration systems in dryer vents to mitigate this environmental concern.
A research team from City University of Hong Kong has developed an efficient electrochemical intercalation method to produce high-yield mono- or few-layer transition metal dichalcogenide (TMD) nanosheets. The new strategy offers a higher degree of control over lithium insertion and can be scaled up for industrial applications.
A research team from City University of Hong Kong developed a multi-functional electrostatic droplet tweezer that can precisely trap and remotely guide liquid droplets on flat and tilted surfaces, as well as in oil mediums. The technology offers precise and programmable droplet manipulation with high velocity and agile direction steering.
Researchers have discovered stable and mobile excitons in metal, a breakthrough that could speed up digital communication. Excitons can travel rapidly through metal without electrical charge, making them promising candidates as an alternative to free electrons.
A team led by City University of Hong Kong researcher Dr Zhang Qingpeng found that donating 46% to 80% of COVID-19 vaccines to low- and middle-income countries can significantly reduce infection rates and mortality. The study suggests prioritizing vaccines for countries with high incidence, prevalence, and mortality rates.
A new HMI system, Robotic VR, allows users to teleoperate robots with precision and feel, enabling complicated tasks such as Covid-19 swab tests and patient care. The system provides immersive feedback via Bluetooth, Wi-Fi, and the internet.
A recent global study found that more than a quarter of the world's rivers had pharmaceutical concentrations at potentially toxic levels. The study, which included data from over 258 rivers across seven continents, also revealed concurrent contamination by multiple classes of pharmaceuticals.
Researchers at City University of Hong Kong have developed a novel droplet manipulation method called WRAP, which can transport micro-sized droplets using electromagnets or programmable electromagnetic fields. The method overcomes challenges in traditional magnetic actuation, such as contamination from added magnetic particles.
Researchers at City University of Hong Kong have discovered a super-elastic high-entropy Elinvar alloy that retains its stiffness even after being heated to 1000 K. The alloy's unique structure and chemical composition allow it to store a large amount of elastic energy, making it suitable for high-precision devices in aerospace enginee...
A City University of Hong Kong study found that improper disposal of surgical masks can pollute over 54,800 Olympic-sized swimming pools annually with microplastics. The research also showed that microplastics accumulate in the food chain, affecting marine organisms and potentially harming higher-level species.
Researchers have designed a novel thermal armour that successfully inhibits the Leidenfrost effect up to 1,150°C and achieves efficient liquid cooling across a wide temperature range. The breakthrough has significant implications for applications in aerospace, space engineering, and next-generation nuclear reactors.
Researchers at City University of Hong Kong have discovered a new type of sound wave that vibrates transversely and carries both spin and orbital angular momentum like light. This finding provides new degrees of freedom for sound manipulations, enabling unprecedented acoustic communications and sensing capabilities.
A research team developed an AI framework that analyzes protein interactions to predict effective and low-toxicity cancer drug combinations. The framework, GraphSynergy, outperforms conventional models in identifying synergistic combinations.
Scientists from City University of Hong Kong successfully developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density. The findings break the performance bottleneck of MXene devices, exhibiting superior rate capability, durable cyclic performance, and high energy density.
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
Researchers from City University of Hong Kong created a new titanium-based alloy using additive manufacturing, boasting unprecedented structures and properties. The alloy exhibits high tensile strength, excellent work-hardening capacity, and is up to 40% lighter than stainless steel, making it suitable for various structural applications.
Researchers at City University of Hong Kong discovered a way to steer the spreading direction of liquids on a surface inspired by the Araucaria leaf. By adjusting the surface tension, they can control the liquid flow direction, with implications for fluidics design and heat transfer enhancement.
A City University of Hong Kong physicist has observed the first unpaired singular Weyl magnetic monopole in a specific kind of single crystalline solid, defying the Nielsen-Ninomiya no-go theorem. The discovery opens up new avenues for understanding bulk topological properties and potential applications in spintronics.
The GEM Programme aims to establish a global monitoring network to collect and analyze seawater samples from urbanised estuaries worldwide. The project will identify pollution hotspots and priority contaminants, providing strategies for cleaner estuaries.
Researchers at City University of Hong Kong have discovered that ray sperms rotate both their head and tail to move, creating a heterogeneous dual helix propulsion system. This unique motion provides high environmental adaptability and efficiency, enabling bidirectional swimming and maneuverability in various viscosities.
Researchers co-led by Professor Wang Xunli discovered a structure link between a glass solid and its crystalline counterpart, finding that both forms share the same building block. The team also concluded that connectivity between clusters distinguishes the crystalline and amorphous states.
A research team from City University of Hong Kong has designed a simple electromechanical device that can detect skin disorders such as psoriasis by measuring tissue stiffness. The device provides real-time evaluations of deep tissue stiffness, allowing for accurate targeting of lesions and monitoring of skin health status.
A trawl ban has led to significant increases in the richness of species and abundance of benthic marine organisms. The study found substantial reductions in suspended solids and increases in total organic matter after the ban.
A research team at City University of Hong Kong developed a new microneedle technology to deliver living cells in a minimally invasive manner. The cryomicroneedles showed robust immune responses against tumors in mice, providing a promising alternative to conventional vaccination methods.
Researchers have identified specific super-enhancers that stimulate the activity of critical cancer genes in triple-negative breast cancer (TNBC). The study reveals that deleting certain super-enhancers can reduce tumour cell growth and improves survival chances. Dr Rebecca Chin and Dr Wang Xin's findings may lead to the development of...
Researchers at City University of Hong Kong have created a new type of LED using 2D perovskite materials, which can be processed at room temperature and offer improved efficiency. The team discovered that adding a simple organic molecule enhances the electro-luminescence performance of the material.
A novel soft tactile sensor with skin-comparable characteristics has been developed for robots, allowing them to grasp fragile objects and thread needles. The sensor decouples external forces into normal and shear components, providing accurate measurements.
A new high-throughput biological assay technique has been developed to systematically analyze the impact of nearly 100,000 genetic variants on transcription factor binding to DNA. The study found that noncoding genetic variant rs7118999 can affect DNA binding with a transcription factor, regulating blood lipid levels in type 2 diabetes.
A new study by the City University of Hong Kong found that desexing cats before 4 months old can significantly reduce the number of unwanted kittens. The research analyzed data from over 52,000 cats and found that only 21.5% of female cats were desexed at four months or younger.