Posts Tagged ‘medical imaging’
Carbon fibers yield graphene quantum dots
RICE (US) — Scientists have developed a one-step chemical process to turn carbon fibers into graphene quantum dots. Continue…
Tuesday, January 17, 2012 12:54 - 0 Comments
Health & Medicine - Oct 24, 2011 10:52 - 2 Comments
Imaging scope may lead to fewer biopsies
CORNELL (US) — A new imaging scope that can be inserted safely into a patient’s body could minimize the need for unnecessary biopsies. (more…)
Science & Technology - Jul 28, 2011 11:53 - 0 Comments
Imaging hat trick: Faster, sharper, deeper
CALTECH (US) — New technology could enhance in triplicate optical imaging of live biological samples by simultaneously improving resolution, penetration depth, and speed. (more…)
Top Stories - Jun 2, 2011 9:55 - 0 Comments
Say cheese: Nanotubes take mice gut pics
STANFORD (US) — A new imaging method offers a clear view of living mouse innards, an improvement that could aid in drug testing and development. (more…)
Science & Technology - Apr 29, 2011 8:31 - 1 Comment
T-ray laser pulses advance imaging
U. LEEDS (UK) — Researchers have produced terahertz ray pulses from a quantum cascade laser, the first time rays have been made to emit separate packets of radiation, rather than in a continuous beam. (more…)
Science & Technology - Feb 18, 2011 13:16 - 0 Comments
Let sleeping horses lie to image cells
CARDIFF U. (UK) — Getting drugs or imaging agents into cells via a Trojan horse to improve medical imaging works better if the horse is sleeping. (more…)
Science & Technology - Jun 25, 2010 15:03 - 3 Comments
3-D look inside a whole mouse
YALE (US)—Engineers have for the first time created 3-D models of whole intact mouse organs, a feat they accomplished using fluorescence microscopy. (more…)
Science & Technology - Apr 23, 2010 11:12 - 0 Comments
‘Sound bullets’ act like sonic scalpels
CALTECH (US)—Inspired by the popular executive toy Newton’s cradle, researchers have built a device—called a nonlinear acoustic lens—that produces highly focused, high-amplitude acoustic signals dubbed “sound bullets.” (more…)
Health & Medicine - Dec 23, 2009 15:41 - 0 Comments
Turning up the noise for better mammograms
SYRACUSE (US)—Researchers have found that an obscure phenomenon called stochastic resonance (SR) can improve the clarity of signals in systems such as radar, sonar, and even radiography used in medical clinics to detect signs of breast cancer. (more…)
Health & Medicine - Dec 10, 2009 14:59 - 2 Comments
Optics may speed breast cancer diagnosis
U. ILLINOIS (US)—Waiting for laboratory results is often one of the most stressful aspects of a breast cancer diagnosis. A new optical imaging system aims to ease that stress by giving doctors performing lumpectomies real-time information on breast cancer tissue margins while still in the operating room. (more…)
Health & Medicine - Sep 24, 2009 19:41 - 2 Comments
Mapping a baby’s retina for signs of blindness
DUKE (US)—New imaging technology may go a long way to improving diagnosis and treatment of a condition that causes blindness in premature babies. (more…)
Health & Medicine - Sep 24, 2009 13:58 - 1 Comment
Tooling MRIs to pinpoint prostate cancer
RUTGERS (US)—Computerized tools may soon improve the accuracy of magnetic resonance imaging (MRI) to help doctors identify prostate cancer. The technique potentially could be adapted for imaging breast cancer and other forms of cancer. (more…)
Health & Medicine - Aug 7, 2009 4:00 - 0 Comments
Hippocampus minds the memory gap
“As we learn more about how the brain forms memories, we can better understand what makes them go awry and then explore behavioral and neurological remedies,” says study coauthor Lila Davachi.
Health & Medicine - Aug 7, 2009 4:00 - 0 Comments
Nano-painting lights up brain tumors
A mouse brain tumor imaged using nanoparticles (left column) or conventional techniques (right column) combined with optical imaging and MRI. The nanoparticles give a clearer picture of the tumor, which is located at the back of the brain in the cerebellum.
Science & Technology - Jul 30, 2009 14:41 - 0 Comments
Golden combo yields do-it-all nanotool
A quantum dot (red) encapsulated in a gold shell, combining two useful nanoparticles in one package. The total structure measures less than 20 nanometers across.
Health & Medicine - Jun 23, 2009 16:23 - 0 Comments
Wall-sized images reveal human body in 3-D
UC Irvine professor Joerg Meyer has developed software that renders medical data in 3-D on HIPerWall, a tiled display of 50 computer screens. (Credit: Daniel A. Anderson/UC Irvine)
