News tagged with contrast agents
Overcoming cancer drug resistance with nanoparticles
One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
5 / 5 (2) |
0
|
Engineers develop more effective MRI contrast agent for cancer detection
Many imaging technologies and their contrast agents — chemicals used during scans to help detect tumors and other problems — involve exposure to radiation or heavy metals, which present potential health risks to ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
4.3 / 5 (4) |
1
|
Echocardiography offers the future for infarct size quantification
"Up until now infarct size has only been measured as part of clinical studies and not in routine clinical practice. The reason being that the reference method of gadolinium based contrast agents in MRI is expensive, takes ...
Medicine & Health / Cardiology
Dec 07, 2011 |
not rated yet |
0
Researchers develop a way to monitor engineered blood vessels as they grow in patients
Using magnetic resonance imaging (MRI) and nanoparticle technology, researchers from Yale have devised a way to monitor the growth of laboratory-engineered blood vessels after they have been implanted in patients. This advance ...
Nov 30, 2011 |
not rated yet |
0
Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers
Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanotechnology / Nanomaterials
Nov 14, 2011 |
not rated yet |
0
Light can detect pre-cancerous colon cells
After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...
Oct 11, 2011 |
5 / 5 (2) |
1
|
Zinc's role in the brain: Research gives insight into 50-year-old mystery
Zinc plays a critical role in regulating how neurons communicate with one another, and could affect how memories form and how we learn. The new research, in the current issue of Neuron, was authored by Xiao-an Zhang, now a ...
Medicine & Health / Neuroscience
Oct 05, 2011 |
4.5 / 5 (2) |
0
|
Feared spinal X-ray found to be safe, study shows
Medical imaging experts at Johns Hopkins have reviewed the patient records of 302 men and women who had a much-needed X-ray of the blood vessels near the spinal cord and found that the procedure, often feared for possible ...
Medicine & Health / Neuroscience
Sep 14, 2011 |
4 / 5 (1) |
0
|
New heart scan may speed up diagnosis with less radiation
New technology appears to provide faster, more accurate heart scans for both viewing blood vessels in the heart and measuring blood supply to the heart muscle, while exposing patients to less radiation, researchers report ...
Medicine & Health / Cardiology
Aug 23, 2011 |
not rated yet |
0
Manipulating nanoparticles' surface chemistry holds medical promise
(PhysOrg.com) -- Swapping the chemical groups that originally coat iron oxide nanoparticles and making the particles soluble in biological solvents shows great promise for medical applications, such as drug delivery and contrast ...
Nanotechnology / Bio & Medicine
Aug 17, 2011 |
4.5 / 5 (2) |
0
|
New contrast agents detect bacterial infections with high sensitivity and specificity
A new family of contrast agents that sneak into bacteria disguised as glucose food can detect bacterial infections in animals with high sensitivity and specificity. These agents -- called maltodextrin-based ...
Jul 18, 2011 |
not rated yet |
0
|
Contrast agent guidelines help prevent debilitating disorder
A simple blood test may help prevent a serious complication associated with a contrast agent commonly used in MRI exams, according to a study published in the July issue of Radiology.
May 17, 2011 |
not rated yet |
0
Improved protocols for contrast agents eliminates new cases of nephrogenic systemic fibrosis
A recent study shows how one medical center implemented strict protocols for administering gadolinium-based contrast agents (GBCAs) before imaging and eliminated new cases for nephrogenic system fibrosis (NSF).
May 03, 2011 |
not rated yet |
0
Contrast agent for tumor diagnostics: Phosphorescent metal-organic coordination polymers for optical imaging
(PhysOrg.com) -- X-rays are not the only way: visible and especially infrared light can also be used to image human tissue. The effectiveness of optical imaging processes can be significantly improved with ...
Nanotechnology / Bio & Medicine
Mar 23, 2011 |
5 / 5 (1) |
0
|
Detection of early gastric cancer using hydro-stomach CT
A research team from South Korea evaluated the difference in diagnostic performance of hydro-stomach computed tomography (CT) to detect early gastric cancer (EGC) between blinded and nonblinded analysis and to assess independent ...
Mar 15, 2011 |
not rated yet |
0
