Medical Imaging
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May 21 | News
Hundreds
of tiny hollow needles stick out of the membrane of a bacteria that
causes cholera. These are treacherous tools that makes bacterial
pathogens so dangerous. Researchers in the U.S. and Germany have now
seen this structure in 3D detail at atomic resolution. The images may
help drug researchers.
May 21 | News
University
of Iowa neuroscientist John Wemmie is interested in the effect of acid
in the brain. His studies using new magnetic resonance imaging
techniques suggest that increased acidity or low pH, in the brain is
linked to panic disorders, anxiety, and depression. But his work also
suggests that changes in acidity are important for normal brain activity
too.
May 21 | News
Blood
tests convey vital medical information, but the sight of a needle often
causes anxiety and results take time. A new device developed by a team
of researchers in Israel, however, can reveal much the same information
as traditional blood test in real-time, simply by shining a light
through the skin.
May 7 | News
As
valuable as X-ray mammography is, it has certain drawbacks, such as
exposure to ionizing radiation and the potential for false results. In
the first phase of clinical testing is a new imaging device built around
the principle of photoacoustics, or light-induced sound, that can
detect and visualize breast tumors with a high degree of targetting
accuracy.
May 1 | News
With
the development of synchrotron infrared spectroscopy, scientists at
Lawrence Berkeley National Laboratory have observed, in real time the
process of protein phosphorylation—a chemical interaction that controls
everything from cell proliferation to differentiation to metabolism—in
living cells stimulated by nerve growth factor.
Apr 26 | News
Varian Medical Systems and Siemens Healthcare announced the signing of a strategic global partnership to provide advanced diagnostic and therapeutic solutions and services for treating cancer with image-guided radiotherapy and radiosurgery.
Apr 25 | News
Researchers
at Northwestern University's Department of Radiation Oncology and
Argonne National Laboratory recently deployed a new non-destructive
X-ray microscopy solution from Xradia to image cryogenically preserved
cells and advance studies of intra-cellular biology.
Apr 23 | News
Emerging
from research into magnetic resonance imaging (MRI)-guided
therapeutics, researchers in the U.K. have built a real “Sonic
Screwdriver”, which has been used to lift and spin a free-floating 10-cm
rubber puck. It works by virtue of a 1,000-element ultrasound
transducer array, strong enough to both levitate and move the puck in
water.
Apr 19 | News
Striking
an estimated 1 million Americans each year, kidney stones produce an
excruciating pain that is among the worst known to man (or woman). Some
are more prone to developing the condition than others, but until recent
research on kidneys in mice the cause of the stones remained a mystery.
The culprit is in the genes.
Apr 17 | News
In
the first successful study of intact baleen whale head anatomy using
computed tomography and magnetic resonance imaging, biologists at
Woods Hole Oceanographic Institute have now learned that baleen whales
have specialized fats leading to their auditory system. It’s a
sophisticated hearing adaptation previously associated only with toothed
whales.
