Structural studies of a key enzyme have revealed how dangerous strains of the bacterium, Staphylococcus aureus, become resistant to antibiotics.
Resistant strains of Staphylococcus aureus, which are also called "hospital staph" because of their prevalence in hospitals, constitute 34 percent of the clinical isolates in the United States, more than 60 percent in Japan, Singapore and Taiwan, and more than 50 percent in Italy and Portugal. And the emergence of strains of Staphylococcus that are resistant to vancomycin — the antibiotic of last resort — makes public health concerns about drug- resistant strains of the bacterium even more urgent.
In an article published online on October 21, 2002, in the journal Nature Structural Biology, Daniel Lim and Natalie Strynadka, who is a Howard Hughes Medical Institute international research scholar, reported structural studies of the enzyme known as penicillin-binding protein 2A (PBP2a). Lim and Strynadka are at the University of British Columbia.
Jim Keeley | Howard Hughes Medical Institute
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Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
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