Pinpointing viruses in body scans
...t, the particles' iron oxide cores are turned into magnets by a scanner's strong magnetic field, which also forces the nuclei of surrounding water molecules into different energy states. A radio-frequency signal can then be used to make the water nuclei return to their original state. The time it takes to r...New systems biology center positions UT Southwestern in vanguard of scientific research
...ofessor of pharmacology at UT Southwestern. "Large magnets such as this allow us to really look a lot more closely at protein dynamics." Dr. Gilman said one goal of systems biology is to develop a computer model of an entire cell. Such a model would revolutionize drug development, allowing the most promisi...Ancient Greeks help scientists build environmentally friendly nano devices
...ited to make cheap greenhouse gas sensors. Growing magnets inside these nano-honeycombs produces nano-materials whose magnetic properties can be adapted for new generations of magnetic memories on a chip. The nano-scaffolds are being investigated for assembling 3D electronic circuits, and to produce 'super-c...Crystallographers take note: A synchrotron light source for your home lab
...d by using a laser beam instead of the "undulator" magnets of the large synchrotrons. Making electrons rapidly undulate, or wiggle, causes them to emit a pencil beam of nearly monochromatic X-rays. "The Compact Light Source concept is highly innovative and its realization will hold great promise for advanc...Stretching DNA on a tiny scale, researchers probe the basis for its compaction
Using magnets and video microscopy to measure the length of individual DNA molecules under experimental conditions, researchers have demonstrated that Condensin, a complex of proteins widely conserved in evolution, physically compacts DNA in a manner dependent on ...Carnegie Mellon U. imaging study reveals sex-based differences that persist as mice enter adulthood
...field and pulses of radio waves. MRM uses stronger magnets to capture images at a resolution 10-100 times finer than conventional MRI. Using MRM, Ahrens and his colleagues imaged the brains of male and female mice, aged 1 month (adolescent) and 3 months (adult). Koshibu used a software program to digitally ......n and believesengineers can solve this by building magnets where the magnetic field isrotated around a person in a stationary chamber....