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Tag: "spin" at biology news

Double triumph in stem cell quest

...nique, but other teams glue cells to a surface and spin them until the denser nucleus is forced out. Then the team take cells from adults and fuse them with the enucleated ESCs. The idea is that the cytoplasm of an enucleated ESC will reprogram the donor nuclei, turning the fused cell into an ESC too. Th...

New plant DNA libraries provides massive boost to world's plant researchers

...source. The Warwick researchers have set up a new spin out company "Warwick Plant Genomic Libraries Limited" to develop this powerful new resource for plant researchers. It will be of particular benefit to academic researchers, scientists working in agriculture and horticulture and also to pharmaceutical...

Research Permits First-Ever Visualization of Psychological Stress in the Human Brain

...The fMRI technique employed in our study ?arterial spin labeling ?can measure cerebral flood-flow directly,?states John A. Detre, MD, Associate Professor of Neurology and Radiology, and senior author of the study. “This technique is very similar to PET (positron emission tomography) scanning, except that ...

New drug could reduce tissue damage after heart attack

...ork are owned by Pentraxin Therapeutics Ltd, a UCL spin out company of which Professor Pepys is director. ...

Surprise finding for stretched DNA

...ttached to the DNA to serve as a "rotor" that will spin in response to torque. Magnets are used to manipulate the magnetized bead, providing a measured and highly controlled amount of tension to stretch the DNA molecule. With the use of a fluorescent coating, the subsequent spinning of the rotor bead in ...

Butterfly farming to help save rain forest

...ence of butterfly farming through their University spin out company - Warwick Insect Technologies Ltd. They will undertake a biodiversity survey of the butterfly community and their host plants within the Iwokrama International Centre for Rain Forest Conservation and Development Reserve. The survey will w...

Researchers discover how bacteria sense their environments

...he spectroscopic technique, called pulsed electron spin resonance dipolar spectroscopy. The researchers suggest that when one receptor detects, for example, a sugar in its environment, communication of some sort triggers an array of linked receptors to rearrange itself, much like when water freezes, al...

MIT engineers probe spiders' polymer art

...l engineering, and colleagues examined how spiders spin their native silk fibers, with hopes of ultimately...ng glands and spinnerets. Spiders don't actually spin ("spinning" refers to the age-old art of drawing out and twisting fibers to form thread); instead, t...

Tarantulas produce silk from their feet

...ith profound implications for why spiders began to spin silk in the first place. Adam Summers, a UC Irv...to surfaces. Until now, spiders were only known to spin silk from spinnerets located on their abdomen and to use the silk to form webs for protection and ca...

Signal protein shows promise for blocking tumor promoters in skin cells

...oo active, they promote rapid cell growth that can spin out of control. In skin cells, Src kinases and Srcasm are involved in signaling pathways that control cell growth and differentiation. See Saw Action The researchers decided to test whether Srcasm could counteract the errant effects of Src kinas...

Fascinating spider silk

...ly unknown. The silk used by orb weaver spiders to spin the edges and spokes of their webs and to rappel away in the face of danger is made of two different proteins. The Munich team has now successfully used genetic engineering to produce one of the spider silk proteins of the European garden spider (Ara...

Magnetic computer sensors may help study biomolecules

...off) directions. NIST researchers made an array of spin valves, each about one by four micrometers in size...-thick silicon nitride membrane in fluid. When the spin valves are turned on, a local magnetic field is created that is strongest near the ends of the magne...

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