A new printing technology can now simultaneously print living stem cells and the environment they need to survive and become the right cell type. The first application is a cartilage repair kit.
“Our current 3D printers can integrate living and non-living materials in specific arrangements at a range of scales, from micrometres to millimetres,” says Professor Gordon Wallace, Director of the ARC Centre of Excellence for Electromaterials Science (ACES) at the University of Wollongong.
“And we’re developing new approaches that will enable 3D printing of nano-dimensional features.”
Seagrass meadows provide food and habitat for everything from dugongs and birds to fish and tiny crabs.
Using maths to protect seagrass meadows and the communities they support .
Globally we’re losing over 100 sq. km per year due to dredging, coastal developments and runoff. That’s bad news for the animals they support, and bad news for us too, as seagrass supports healthy coastal fisheries as well as acting as a carbon store.
To see how seagrass can be given a fighting chance, Dr Paul Wu at the ARC Centre of Excellence for Mathematical and Statistical Frontiers and collaborators have put an extended modelling technique to new use, predicting seagrass health and suggests how some modified human activities could reduce the damage.
A stable and compact nuclear waste technology is moving from research level to industrial-scale at the Australian Nuclear Science and Technology Organisation (ANSTO).
The Synroc can (left) becomes significantly smaller (pictured centre and right) following Hot Isostatic Pressing, minimising disposal volumes.
The planned full-scale nuclear waste treatment plant incorporates ANSTO’s Synroc innovation that locks away radioactive waste products by mimicking natural geology.
“A key part of the Synroc process is Hot Isostatic Pressing, which applies heat and pressure to minimise the disposal volume and transform liquid radioactive waste into a chemically durable material suitable for long term storage,” says Gerry Triani, Technical Director at ANSTO Synroc.
Every shipping manager wages an endless battle against fouling—the bacteria, seaweed, barnacles and other marine life that take up residence on the hull of ships within days of it entering the water.
This biofouling is thought to add more than 20 per cent to the fuel costs of commercial shipping, not to mention the added journey time for a ship weighed down with barnacles. That’s a big cost for the maritime trading nations of Australia and Indonesia, potentially adding up to billions of dollars per year.
We can make biofuels with algae, but can we make them commercially viable?
A University of Queensland (UQ) research team is working towards it – and Siemens, Neste Oil Corp, the Queensland Government and others have joined their quest.
The Solar Biofuels Research Centre is one of the most advanced national facilities investigating the development and use of high-efficiency microalgae production platforms.
Lithium batteries have transformed power storage—from smartphones to electric cars and submarines. But like every battery their chemical composition changes through every charge cycle.
Lithium ions sitting in layers of graphite move between electrodes and change the oxidation state of, magnesium oxide, for example. The chemical rearrangements cause the graphite and oxide layers to physically expand and contract by up to 15 per cent at every cycle, cracking and detaching from the electrodes.
Professor Perry Bartlett is putting people with dementia on treadmills.
Mapping the vast networks of the brain; 10,000 million neurons, each with 10,000 connections. Credit: Queensland Brain Institute
He has already reversed dementia and recovered spatial memories in mice through exercise. And in 2016 he and colleagues at The University of Queensland will begin clinical trials to see if exercise will have the same impact in people with dementia. Then he’ll look at depression.
Underpinning these projects is the idea that the brain is constantly changing; and that learning, memory, mood, and many other brain functions are in part regulated by the production of new neurons.
Sending quantum messages over long distances will be challenging. The signal will have to be amplified every few hundred kilometres, but conventional optical amplification would destroy the quantum message.
In a quantum information system, if you measure the light, you will destroy the information encoded on it. You need to store the light itself.
“We have to catch and store the light, but we’re not allowed to look at it to see what information it contains. If the system is working, the light will be exactly the same when we let it out again. We do this by absorbing the light into a cloud of atoms,” says Dr Ben Buchler.
Polymers are being used for non-stick coatings, anti-fouling technology, precision drug delivery, medical diagnosis, imaging, and many other applications.
Cyrille uses light to make new and complex polymers. Credit: Prime Minister’s Prizes for Science/WildBear
Associate Professor Cyrille Boyer’s ideas are built on the revolutionary RAFT techniques (a technique to precisely control how small molecules are linked together to form large polymer chains) for which Professor David Solomon and Dr Ezio Rizzardo received the 2011 Prime Minister’s Prize for Science. His latest technology uses light and chlorophyll to catalyse the production of polymers.
Hot and salty water is a common by-product of industries such as textiles, food and dairy production. But new technology that allows this water to be purified, collected and re-used on site has been developed by Victorian scientists.
Their compact module, smaller than the size of a human, can transform a wasteful industrial operation into an efficient process that recycles energy, water and materials.
“We’ve calculated that our module can reduce water use by more than 90 per cent in some industrial settings,” Professor Mikel Duke says.
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