At the 2004 ASCB Meeting: Visualizing the Kiss of Death
The very idea threw the Victorian poet Alfred Lord Tennyson into a funk. “Nature, red in tooth and claw,” Tennyson called the nightmarish idea that life was an unending battle to eat or be eaten. If only Tennyson could have seen the latest self-defense videos made by Daniela Malide and others at the National Institutes of Health in Bethesda, MD. Using time-lapse confocal laser scanning microscopy, Malide captured human T-cells picking up distress signals from cells infected with a virus and zeroing in for the kill.
Scientists have worked out experimentally many of the mechanisms and tactics of the immuno-surveillance system but Malide’s real-time videos show the action as it unfolds. The videos also revealed for the first time that “killer” T-cells take far longer to dispatch their viral enemies than was generally believed. Instead of a brisk 10-minute rubout, these killer T-cells can take up to two hours to mount a fatal assault.
Cells communicate in a dynamic code
19.02.2018 | California Institute of Technology
Studying mitosis' structure to understand the inside of cancer cells
19.02.2018 | Biophysical Society
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.
But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...
Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.
The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...
Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters
Quantum computer parts are sensitive and need to be cooled to very low temperatures. Their tiny size makes them particularly susceptible to a temperature...
15.02.2018 | Event News
13.02.2018 | Event News
12.02.2018 | Event News
19.02.2018 | Materials Sciences
19.02.2018 | Materials Sciences
19.02.2018 | Life Sciences