Medicinal Leech May Offer Clues To Neural Regeneration
... The injury was immediately followed by a staining process to detect the presence of active NOS. Their findin... inhibitor to see what happened when the signaling process was blocked. After 24 hours of regeneration, the groups without the inhibitor showed tight gathering...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...nal intensity. Those gammas are produced through a process calledCompton back scattering. In some split-second choreography, the Duke team began producing gamma raystwo nights after they first manufactured ultraviolet laser light. The researchersbegan by introducing an extra electron bunch into the FEL lab'...Plants Have Future As Environmental Clean-Up Agents
...g. But research at Kansas State University into a process known asplant-based bioremediation is showing that an answer to thoseproblems could be helped by something as simple as planting a tree. "Essentially, bioremediation is using organisms to clean upcontaminants," said Larry Davis, professor of biochem...Researcher Discovers Key Brain Center For Speech
...he very least is signficantly relatedto the speech process if not a center for that function," says Dronkers,who conducted the work at the VA Medical Center in Martinez and publishedher results in a recent issue of the journal Nature. The insula is a common area of injury in stroke patients, Dronkers says,b...No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
... of human activities -- causes "eutrophication," a process that leads to increased growth of algae and other undesirable outcomes. Tilman and Wedin conclude that in grassland ecosystems, nitrogen loading is a major threat that leads to loss of diversity, greater abundance of non-native species and th...Fast Measurement Technique Reveals Early Steps In Protein Folding
...d. At thatpoint, the collapse phase of the folding process is complete. "Before we conducted our experiments...eexact nature of the folding sequence: whether the process begins with aninitial random collapse of the protein structure or with the forming ofhelixes. "The d...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...ids to evolve into methane-rich compositions. The process can take thousands of years. Kelley says that the second process could be pervasive throughout all of layer three, which makes up 60 percent of the oceanic crust. E...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
... have long sought to better understand thepuzzling process that turns genes on. Now, they have uncovered evid...group of proteins that binds to DNA and starts the process of transcribing DNA into RNA, themolecule that serves as a template for protein production. This is ...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...ty of algae directly determineswater clarity. In a process called eutrophication, algae can deplete oxygen,killing fish, and severe algae blooms can water to smell and taste foul. Unnaturally murky lakes are more commonly found in the middle and easternUnited States and Europe. Eutrophication was responsibl...The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...Pieces exchanged from one chromosome to another--a process called "translocation" that is often associated with disease--cannot easily be detected. And in diseased cells containing several badly distorted chromosomes, tracking the multiplication or exchange of genetic material is often impossible with conve...Laser Microscope At Cornell Images Serotonin In Live Cells
...bstance, without damaging the cell or changing the process and without requiring any external fluorescent mar...that was happening, the laser was illuminating the process to visualize the granules. Webb said he hopes to use the technology to look for serotonin secretions...Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
... unchecked growthand differentiation--cancer. In a process called phosphorylation--often thefirst step of signal transmission inside a cell--an enzyme called a kinaseattaches a highly charged phosphate group to a tyrosine, one of the 20 aminoacids that make proteins, acting as a molecular switch that turns p...'BirdSource' Website For Citizen-Science Data
...unds. Constructing a fully interactive Web site to process both historic data and continuously updated reports has stretched the capabilities of World Wide Web applications, Fitzpatrick said, crediting the staff of the Cornell Theory Center for its role. The Web-based application relies on an Informix datab...Team Identifies Switch For Tumor Suppressor Gene
...dividing. PP1c turns on RB through a chemical process known as de-phosphorylation, a common process in the body where a proteinknown as a phosphatase strips phosphate groups off a protein. Thestripped...Fund Aims To Repay Developing Nations For Valuable Genes
...om the developing world involve the patenting of a process for extractinga pesticide from the seed of India's "neem" tree and the patentingof a human cell line sought for AIDS-related research that was obtainedfrom a member of the tiny Hagahai tribe in Papua New Guinea. Both caseshave raised charges of "biop...New Study Shows Steps Leading To Colon Cancer
..., development of arms and legs, Peifer said. The process occasionally goes awry, however, when beta-catenin becomes active in places where it should not. It then triggers cells to reproduce indefinitely, or it prevents them from dying, leading to benign tumors that can later become malignant. "It is now ...Erodible plastic microspheres could be effective oral drug delivery system
... and degrade, releasing theirtherapeutic load. The process dramatically increases the oral effectiveness ofseveral drugs. It suggests a new oral delivery system for compounds, such asinsulin, which until now could not be delivered orally. Editors: This news release is distributed in advance of publication ...Corn Byproduct Shows Promise As Biodegradable Packaging Material
...aceutical tablets. U. of I. researchersthink their process could give zein -- and corn -- a new market at a t...l effort, U. of I. food scientists have developeda process to manufacture biodegradable plastics from corn gluten meal. Theprocess involves melting the zein wi......n the intensity of the gradient magnetic fields, a process that is necessary to obtain images from MRI scanners. "These magnetic fields are key to obtaining a three-dimensional view of the body," Nyenhuis says. "But pulses or fluctuations can induce electric currents in the patient, called eddy currents, whi...