Molecular interactions occurring at the interface between water and other substances can have an influence on the functioning of our bodies. EPFL researchers have been able to observe these interactions through the use of highly innovative optical techniques.
When scientists observe minute particles like nanoparticles or bacteria in fluid under a microscope, they don't see a motionless image. What they do see are particles making the tiniest irregular twitches not unlike the nervous ups-and-downs of market prices and exchange rates. These two forms of random twitching – microparticles in fluid and price developments on the financial market – are not just similar at first sight as a Japanese-Swiss team has now demonstrated. The underlying mechanism is the same too.
“Now is really the perfect time in history for the university here in Tainan to jump into the field of cryo-EM (cryo-electron microscopy),” said Dr. Robert M. Glaeser, Professor Emeritus of Biochemistry, Biophysics and Structural Biology, UC Berkeley, USA, at a symposium held at National Cheng Kung University (NCKU), Tainan, Taiwan, March 4th.
The bacterium Staphylococcus Aureus (S. aureus) is a common source of infections that occur after surgeries involving prosthetic joints and artificial heart valves. The grape-shaped microorganism adheres to medical equipment, and if it gets inside the body, it can cause a serious and even life-threatening illness called a Staph infection. The recent discovery of drug-resistant strains of S. aureus makes matters even worse.
Whether it is playing a piano sonata or acing a tennis serve, the brain needs to orchestrate precise, coordinated control over the body's many muscles. Moreover, there needs to be some kind of feedback from the senses should any of those movements go wrong. Neurons that coordinate those movements, known as Purkinje cells, and ones that provide feedback when there is an error or unexpected sensation, known as climbing fibers, work in close concert to fine-tune motor control.
In the interest of delivering a more seamless experience for microscope users working in the fields of in-vitro fertilization and assisted reproductive technology, Nikon Instruments Inc. today announced an expansion of its long-term partnership with Research Instruments Limited (RI), to become its exclusive hardware distributor in the U.S.
Recognizing the potential of microscopic nanotechnology to revolutionize the field of medicine, the University of Virginia has recruited one of the nation’s top experts to serve as co-director of the Institute for Nanoscale and Quantum Scientific and Technological Advanced Research, or nanoSTAR.
Tiny and swift, viruses are hard to capture on video. Now researchers at Princeton University have achieved an unprecedented look at a virus-like particle as it tries to break into and infect a cell. The technique they developed could help scientists learn more about how to deliver drugs via nanoparticles — which are about the same size as viruses — as well as how to prevent viral infection from occurring.
A pathway to more effective and efficient synthesis of pharmaceutical drugs and other flow reactor chemical products has been opened by a study in which for the first time the catalytic reactivity inside a microreactor was mapped in high resolution from start-to-finish.
High positioning resolution and smallest dimensions are the key features of this new series of linear and rotary positioning systems from PI miCos.
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