Cellular scale drug delivery from the inside out
...de nanoparticle caps which can be manipulated by a magnetic field. In a simple demonstration of the principle,...ular point, such as a tumor site, and then use the magnetic field to remove the caps and release the drug," Lin said. "The advantage of using a magnetic trigger...Cortex matures faster in youth with highest IQ
...ences are consistent with findings from functional magnetic resonance imaging, showing that levels of activation in prefrontal areas correlates with IQ, note the researchers. They suggest that the prolonged thickening of prefrontal cortex in children with superior IQs might reflect an "extended critical perio...Drs. Hrabowski, Summers share success strategies for producing minority scientists, engineers
...urse of his research on the application of nuclear magnetic resonance to studies of the structure and function of proteins. Hrabowski and Summers identify five elements in achieving positive outcomes in retention and development of minority scientists and engineers. Those elements are recruiting a substantial...Brookhaven Lab and Mount Sinai form joint Center for Translational Biomedical Imaging
...ing positron emission tomography (PET), high-field magnetic resonance imaging (MRI), micro-PET, and micro-MRI - as well as Brookhaven's expertise in radiotracer chemistry and specialized facilities for the development of new tracer molecules. This agreement draws on the complimentary strengths of our two inst...Numerical processing similar in children and adults, brain scans reveal
...rchers used the analytical technique of functional magnetic resonance imaging (fMRI) to show that a brain region called the intraparietal sulcus (IPS) is activated when both four-year-olds and adults perceive numerical quantities. They said their findings represent the beginning of a promising new research pa...Nano machine switches between biological and silicon worlds
...ll-Effect sensors. The Hall Effect describes how a magnetic field influences an electric current. That influen... anchoring the floating end of the DNA strand to a magnetic bead, itself held up under the influence of magnetism. A specific type of protein, called a Restrict......ation Department, has come up with a non-invasive, magnetic resonance imaging- (MRI-) based method for predicting possible problems. The findings of their studies on animals, which appeared in the journal Cancer Research, may, in the future, influence treatment regimes for millions of cancer patients. Intra...News tips from the Journal of Neuroscience
...anipulation tasks after a delay period. Functional magnetic resonance imaging during the delay showed that cortical activity was segregated based on content. Dorsal premotor activation occurred with maintenance and manipulation of spatial tasks, whereas ventral premotor activation was seen for maintenance and...Other highlights in the May 3 JNCI
...es, such as positron emission tomography (PET) and magnetic resonance spectroscopy (MRS), may help scientists better understand how drugs in phase I clinical trials work in the body and interact with target cells, a review suggests. The authors propose that these technologies be developed further. Currently,...ACS weekly press package April 24th, 2006
...zed with a mainstay laboratory tool called nuclear magnetic resonance (NMR). With conventional technology, it took up to a year to make a gas hydrate in a sealed NMR tube. Bas new technique shortens the time to about one week. They are using the new method to make gas hydrates in order to understand the...Whale bubble nets, saxophone sounds, ultrasonic laser
... happens to it, whether for the purpose of sensing magnetic fields or detecting nearby nanoparticles. Todd Murray ( twmurray@bu.edu ) and Kamil Ekinci ( ekinci@bu.edu ) and their colleagues at Boston University have built a photoacoustic microscope that first excites tiny vibrations (acoustic waves set in mot...News tips from The Journal of Neuroscience
...rz, and Ralf Ringler Ruehle et al. used functional magnetic resonance imaging (fMRI) in 13 willing human subjects to visualize the brain regions that contribute to acute pain versus inflammatory pain and hyperalgesia. Nociceptive sensory neurons, or C-fibers, can be subdivided into polymodal mechano-heat-resp...Polycystic kidney disease: MRI provides an early alert to progression
A new method using magnetic resonance imaging (MRI) accurately tracks structural changes that predict functional changes earlier than standard blood and urine tests in people with autosomal dominant polycystic kidney disease (PKD), according to a study funded by the National In...ACS news service weekly press package - May 15, 2006
...ecule aggregates (polymeric micelles) to co-entrap magnetic nanoparticles and photodynamic therapy (PDT) drugs...ich are nanoscale clusters of polymeric molecules, magnetic nanoparticles and a PDT drug, demonstrated magnetic controllability and stability under physiologica...New approach allows closer look at smoker lungs
... via the widely used diagnostic technique known as magnetic resonance imaging (MRI), which produces high-contrast images of the body's soft tissues. The use of helium is a departure from traditional MRI, which typically distinguishes body tissues from one another by tracking differences in water content. Wri...SNM recognizes contributions of Walter Wolf with 2006 Georg Charles de Hevesy Nuclear Pioneer Award
...aging (including positron emission tomography) and magnetic resonance spectroscopy techniques. These studies measure the target pharmacokinetics of antitumor agents. Wolf's interests also include studies on the synthesis and mechanism of action of radiopharmaceuticals. The senior consultant in radiopharmacy ...FLT PET assesses treatment response on tumor growthnot sizewith non-Hodgkin's lymphoma
...ities--such as computed tomography, ultrasound and magnetic resonance tomography--determine response to therapy by changes in tumor size," said Ken Herrmann, resident with the nuclear medicine clinic at the Technical University in Munich, Germany. "However, changes in tumor proliferation may represent a more ...Seeing beyond the gray areas: New tool uncovers the importance of the brain's white matter
... less visible because its structures are missed by magnetic resonance imaging (MRI) and other techniques. Now, because DTI has the ability to measure and model white matter tracts in the human brain, researchers believe there is new potential to discover the role of the white matter connections in psychiatr...News tips from The Journal of Neuroscience
... loss) or incentive magnitude. However, functional magnetic resonance imaging revealed different neural respon...efrontal cortex (DLPFC) by repetitive transcranial magnetic stimulation (rTMS). Low-frequency stimulation (15 min, 1 Hz, or 900 pulses) transiently suppresses e......he greater the pleasure. In a series of functional magnetic resonance imaging trials with human volunteers exposed to a wide variety of images, Biederman's research group found that strongly preferred images prompted the greatest fMRI activity in more complex areas of the ventral visual pathway. (The data fro...