From little things, big things grow

Michelle Simmons’ work building silicon atomic-scale devices is paving the way towards a quantum computer with the capacity to process information exponentially faster than current computers.

She is also Director of the Australian Research Council Centre of Excellence for Quantum Computation and Communication Technology, acknowledged to be a world-leader in the field of quantum computing—which uses the spin, or magnetic orientation, of individual electrons or atomic nuclei to represent data.

Michelle Simmons is one of only 11 Australians elected as a member of the American Academy of Arts and Sciences. Credit: UNSW
Michelle Simmons is one of only 11 Australians elected as a member of the American Academy of Arts and Sciences. Credit: UNSW

In the past five years, Michelle’s research group and collaborators have made a number of notable advances. They have fabricated the world’s first single-atom transistor in single-crystal silicon, and the world’s narrowest conducting wires, also in silicon, just four atoms wide and one atom tall with the current-carrying capacity of copper.

Continue reading From little things, big things grow

Could your lab have the next antibiotic?

Could your newly synthesised molecule kill a superbug? Matt Cooper can tell you.

His team is offering a free screening service for the world’s chemists to test their compounds against antibiotic-resistant bacteria, helping them to potentially find a new antibiotic that will fight the rise of these ‘superbugs’.

“We’re helping the community unlock the hidden value of these chemicals,” says Matt, whose team is from the Community for Open Antimicrobial Drug Discovery (CO-ADD), a not-for-profit, global initiative of The University of Queensland’s Institute for Molecular Bioscience. The screening began in February 2015, and Matt has already received thousands of samples from locations including India, Singapore, New Zealand, France, Israel, UK and the USA.

Continue reading Could your lab have the next antibiotic?

Insulin in a plant seed

An edible plant seed could deliver your insulin or cancer drugs if David Craik’s research progresses as hoped. His team’s work at The University of Queensland’s Institute for Molecular Bioscience centres on cyclotides, which are a family of exceptionally stable circular proteins that occur naturally in many plants, such as violets and petunia.

Circular proteins naturally occuring in plants such as petunia have inspired David Craik’s research. Credit: The University of Queensland

Inspired by the stability and diversity of natural cyclotides, David’s team has developed a way to join the two ends of a linear protein, allowing them to create ‘designer’ cyclotides that can be incorporated into crop plants, turning them into production factories for therapeutic drugs and insecticides.

Continue reading Insulin in a plant seed