Contrast agents enhance optical coherence tomography
... they divide. These changes affect the scattering properties of light, which we can easily detect. Using contrast agents, scientists might be able to study how cells migrate through tissue and metastasize, Boppart said. Enhanced OCT imaging could even provide surgical guidance in real time to help find a tu...Dead sea environment helps sufferers of heart conditions, cystic fibrosis
...e Dead Sea have long been thought to have curative properties for various ailments. Now a study by an Israeli r...Sea a "multi-factor environment" because different properties of the area help people with different ailments. The next step in Dr. Berkovits research is to eval...Rensselaer researchers seeing farther and faster with terahertz (Thz) imaging
... imaging results in biological tissue. The unique properties of THz radiation allow it to "see" farther, and in more detail, than imaging methods such as X-rays, ultrasound, and radar. For example, T-rays have been demonstrated to effectively image skin burn severity, tooth cavities, and skin and breast cancer...Brown researchers find new photoreceptor and visual system in the eye
... a chemical called a photopigment that changes its properties in response to light. This change triggers a cascade of biochemical reactions and an electrical response in the photoreceptor. This signal then moves along a pathway between the cells and the brain....Novel anti-coagulant clears hurdle
...r Xa within clots that have already formed. "These properties may make it a superior anti-coagulant," Alexander said. Duke is the coordinating center for all three of the XaNADU trials. XaNADU-ACS is unique in that it is the first clinical trial in this field conducted simultaneously in both the United States a...MGH study finds herceptin has additional antitumor qualities
...tal (MGH) have discovered powerful anti-angiogenic properties in herceptin, a monoclonal antibody used to fight certain forms of breast cancer. Herceptin is known to block the cell receptor HER2 on breast cancer cells and is used to treat women whose tumors produce extra copies of HER2, a more aggressive form ...Ultrasound senses 'feel' of breast lesions
...at provides information about the local mechanical properties of tissue," wrote Nightingale and three other auth...engineering who helped characterize the mechanical properties of target tissues; and Gregg Trahey, the James L. and Elizabeth M. Vincent Professor of Biomedical E...Study could lead to exercise-mimicking drug
...nes that influence the physiological and metabolic properties of muscles. "We think this discovery could lead t...es in gene expression that influence the metabolic properties of muscle? Answers to this question could lead to new drug therapies that mimic the effects of regul...Nicorandil could improve outcome for angina patients
...rug nicorandil is thought to have cardioprotective properties in addition to its anti-ischaemic effects. Henry Dargie from the Western Infirmary, Glasgow, UK, and the Impact Of Nicorandil in Angina (IONA) investigators did a randomised trial to find out whether nicorandil could reduce the frequency of coronary ...Post-genomic technique provides real-time, multiscale look at protein life cycles in living cells
...n sequenced, the next big push is to determine the properties of proteins associated with those genes, said Mark Ellisman, Ph.D., UCSD professor of neurosciences and bioengineering, director of NCMIR and senior author of the study published in Science. The challenge is the development of technologies and method......ng through the "liver", it had the same blood flow properties as the living system, says Borenstein. The 3D blood vessel model is then "sliced up" inside the computer, dividing the model into a series of horizontal layers, each of which is used to make a silicon mould. PLGA is then poured into each mould to ma...NIH-funded UCSD rheumatic diseases center to facilitate collaboration, speed discoveries
...group that seeks to develop compounds based on the properties of natural bacterial toxins. They are working to develop related proteins to target the diseased B lymphocytes that are responsible for destruction of platelets and other cells in the body that occurs in patients with autoimmune diseases such as lup...Physics tip sheet #11 - May 1, 2002
...has never been clearly connected with the physical properties of a system. A set of experiments explores the connections between nozzle sizes, nozzle shapes, flow rates and dripping patterns. The researchers found that for large nozzles, the dripping patterns are mainly dependent on flow rates. For small nozzle...Lasers light way to 3-D imaging in Purdue lab
... to move through layers so thin boosts the optical properties of the film and makes it more efficient at detecting coherent light. The Purdue team used the technique to take video images inside a tiny tumor, a form of cancer called osteogenic sarcoma, which afflicts bones and connective tissues. The tumor was a...Chicago researchers testing HIV vaccine for healthy people
...ation to enhance or modify the immune- stimulating properties of a vaccine. The vaccines Sha is testing work by using delivery vehicles known as vectors to transport a gene of HIV-1, known as gag into the cells. The HIV-1 gag DNA vaccine uses plasmid, or "naked" DNA as a vector. The HIV-1 gag replication-defect...High blood pressure drug eases vessel stiffness, lowers systolic pressures
...ing center for CHOIRS. The impact of these unique properties on large vessels needs to be further studied to determine if they will translate into improved clinical outcomes....NEMO submerged in virus-prone boys
...lescence. Orange et al. focus here on the unusual properties of the NK cells from 3 such patients, each of whom carries a distinct NEMO missense mutation. NK cells from these boys fail to kill a tumor cell line that is normally targeted by NK cell cytotoxicity, but they are active (even unusually so) in ADCC ...Scientists become filmmakers to decipher immunity
...itute of General Medical Sciences (NIGMS), reveals properties of T- and B-cell behaviors that are critical for initiating immune responses. NIAID and NIGMS are components of the National Institutes of Health (NIH). NIAID supports basic and applied research to prevent, diagnose, and treat infectious and immun...Buszaki neuroscience research published in current journals 'Science' & 'Nature'
...mplex behavior can be explained by the biophysical properties of single neurons rather than by complicated rules within neuronal networks as previously suggested." June 14 Science article: Wiring the Newborn Brain To get a better understanding of how an immature brain network develops over time, Buzsaki's resea...Insulin sensitizer has anti-inflammatory effect in diabetics
...Sciences, have been studying the anti-inflammatory properties of insulin and insulin sensitizers and their potential use in treatment and prevention of atherosclerosis, one of the leading causes of heart attacks. Atherosclerosis, or hardening of the arteries, begins as an inflammation of the blood-vessel wall....