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This unassuming material is capable of capturing or releasing carbon dioxide from the atmosphere in response to moisture swings.
Pulling carbon dioxide out of the air using moisture
A more efficient way to capture fresh water from the air
Bringing transformative potential to agriculture with a natural technology for ‘dimming’ genes
Staving off coral reef collapse via a new technique
Producing energy from evaporating tap or seawater with new nanoscale devices
Setting the stage for regenerative therapy by turning skin cells into limb cells

Hong Kong Polytechnic University (PolyU)

September 3, 2019

The Hong Kong Polytechnic University (PolyU) is a public research university located in Hung Hom, Hong Kong

A potential fix for microbial corrosion in marine concrete

A potential fix for microbial corrosion in marine concrete

Using bacterial biofilms to trap microplastics

Using bacterial biofilms to trap microplastics

A newly emerged superbug may cause untreatable and fatal infections in relatively healthy individuals

The Partner State Key Laboratory of Chirosciences at the Department of Applied Biology and Chemical Technology (ABCT) of The Hong Kong Polytechnic University (PolyU) discovered a newly emerged superbug, hyper-resistant and hypervirulent Klebsiella pneumoniae, which may cause untreatable and fatal infections in relatively healthy individuals and will pose enormous threat to human health. Prof. Chen

A newly emerged superbug may cause untreatable and fatal infections in relatively healthy individuals

Sensors can be sprayed directly on structural surfaces such as train tracks and aeroplane structures

PolyU develops sprayable sensing network technology for real-time structural health monitoring with larger responsive bandwidth, lower cost and greater versatility The Hong Kong Polytechnic University (PolyU) research team developed a novel breed of nanocomposites-inspired sensors which can be sprayed directly on flat or curved engineering structural surfaces, such as train tracks and aeroplane structures. The

Sensors can be sprayed directly on structural surfaces such as train tracks and aeroplane structures

Fast virus detection using nanoparticles

A system composed of two different types of nanoparticles can be used to accurately, sensitively and quickly detect viruses. The earlier a viral infection is detected, the more effective the treatment. Currently available tests are accurate but require a long time and/or specialized personnel, which are not a given in many outbreak settings. To address

Fast virus detection using nanoparticles

Flying the flag for an airship revolution

The rise of freight airships could go down like a lead balloon with traditional aircraft companies but could also represent a new high for Asian companies seeking to exploit new ways to reach world markets, according to research published in the International Journal of Aviation Management. Barry Prentice of the I.H. Asper School of Business,

Flying the flag for an airship revolution

Scientists have invented an easily breathable nanomask that can filter incredibly tiny particles, such as viruses and air pollutants

The novel mask, developed by Professor Wallace Leung of The Hong Kong Polytechnic University, is made out of multiple layers of different types of nanofibres, which filter nanosized particles. Layering the nanofibres provides a large surface area, enhancing the natural movement of particles and their interception by the fibres. It also allows users to breathe

Scientists have invented an easily breathable nanomask that can filter incredibly tiny particles, such as viruses and air pollutants

Low-cost, contactless and accurate 3D fingerprint identification system

Traditional fingerprint identification by pressing or rolling of finger against the hard surface often results in partial or degraded images due to improper finger placement, skin deformation, slippages, or smearing. Therefore touchless 3D finger imaging can provide more accurate personal identification as rich information is available from 3D fingerprint images. This project designs and develops

Low-cost, contactless and accurate 3D fingerprint identification system

New eco high performance energy storage device developed

The Department of Applied Physics of The Hong Kong Polytechnic University (PolyU) has developed a simple approach to synthesize novel environmentally-friendly manganese dioxide (MnO2) ink by using glucose. The MnO2 ink could be used for the production of light, thin, flexible and high performance energy storage devices via ordinary printing or even home-used printers. The

New eco high performance energy storage device developed

Optical sensors improve railway safety

Technology tested in Hong Kong proves effective at monitoring commuter rail lines and detecting dangerous conditions A string of fiber-optic sensors running along a 36-km stretch of high-speed commuter railroad lines connecting Hong Kong to mainland China has taken more than 10 million measurements over the past few years in a demonstration that the system

Optical sensors improve railway safety

LED light bulbs can be brighter and more energy efficient than ever

LED light bulbs can be brighter and more energy efficient than ever, thanks to a high performance LED driver newly developed by researchers from the Department of Electronic and Information Engineering. The new driver powers LED light bulbs with an innovative approach called multi-level PWM (Pulse-Width Modulation), which delivers remarkable improvements in terms of light

LED light bulbs can be brighter and more energy efficient than ever

Cotton with special coating collects water from fogs in desert

What makes this ‘coated cotton’ so interesting is that the cotton releases the collected water by itself, as it gets warmer. Researchers TU/e together with researchers at the Hong Kong Polytechnic University (PolyU), have developed a special treatment for cotton fabric that allows the cotton to absorb exceptional amounts of water from misty air: 340

Cotton with special coating collects water from fogs in desert

A New Chapter for Chinese Medicine

The groundbreaking regime for herbal study and testing called quantitative-pattern-activity-relationship (“QPAR” in short) verifies the quality and health benefits of traditional herbs When comes to minor complaints, chronic conditions and even fatal illnesses, we often turn to ginseng and other herbal remedies. That is why traditional Chinese medicine has become an integral part of our

A New Chapter for Chinese Medicine

Trapped Sunlight Cleans Water

Image via Wikipedia High energy costs are one drawback of making clean water from waste effluents. According to an article in the journalBiomicrofluidics, which is published by the American Institute of Physics, a new system that combines two different technologies proposes to break down contaminants using the cheapest possible energy source, sunlight. Microfluidics — transporting

Trapped Sunlight Cleans Water

Solar-powered air-conditioning for vehicles developed

The more environmentally conscious among us still driving gasoline-powered cars often feel a pang of guilt as we turn on the air-conditioning on a hot day, knowing that we’ve just significantly reduced the fuel efficiency of the vehicle and sent more greenhouse gases into the atmosphere. While solar-powered AC systems – even portable ones – are

Solar-powered air-conditioning for vehicles developed

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