Researchers Corral Millions Of Microscopic Membranes
...r holding millions of micro-patches that have been seeded with proteins that bind to different kinds of cells, it should be possible to obtain measurements of the relative numbers of different cell types by simply covering the wafer with blood, washing it off and counting the cells that remain stuck to diff...Scientists Say Latently Infected Cells May Stoke the Fire of HIV Replication
...id tissues of the immune system are seeded with chronically and latently infected cells. These cells spark local bursts of infection when CD4+ T cells in their immediate vicinity become activated, a process they call proximal activat...Living Bone Created By University of Toronto Researchers
...planted to fill a gap or fracture, the foam can be seeded with thepatient's own bone stem cells to create living tissue. Bone defects and injuries are currently treated predominantly bygrafting bone from another part of the patient's body or by taking bone fromcadavers. "Implanting the foams to cr...Adult Cells Undergo Identity Switch Reported In Science
...seof radiation. Once in the blood stream, the NSCs seeded the mice's bone marrow(and the spleen, another site of blood production). There, they took over thejob of the hematopoietic stem cells and churned out a fresh supply of bloodcells. Apparently, during their development as NSCs, the stem cells had notu...Sandia, University Of Montana Researchers Try Training Bees To Find Buried Landmines
...could beidentified, a suspected minefield could be seeded with thoseplants (by air) to maximize the bees' chances of finding themines. Inside the greenhouse a small colony of bumblebees has beenestablished to measure how efficiently the bees carryTNT-tainted pollen and soil back to the hive. "The greenhouse......ason, after the natives had become established, he seeded each tussock with three invasive non-native species commonly found in the area - Canadian thistle, creeping bent grass and common plantain, all invaders from Europe. As other experiments have shown, the more diverse tussocks resisted the invasion...Bone produced from skin and gum tissue
... induces bone formation. The engineered cells are seeded onto collagen sponges, which are placed in the area where bone repair is needed. The research team---which included Bruce Rutherford, professor; Paul Krebsbach, assistant professor; Keni Gu, research investigator; and Renny Franceschi, associate prof......iac cells can gain a foothold. The scaffolding is seeded with cells then placed in a bioreactor, which maintains a steady temperature conducive to development and provides cells with the nutrients they need to grow and reproduce. Advanced Tissue Sciences' patented technology will play a key role in the pa...New grain variety opens up possibilities for Australian farmers
...re to produce a series of easily recognised, white seeded varieties which cannot be confused with red lentil...pes to develop, could supersede the current orange seeded lines. "Should that occur," said Dr Tate, "Australias vetch grain production industry will expand ra......f life" for the green plants has ended, but it has seeded new projects to strengthen the branches and root the tree more firmly in new genetic and fossil data. Among these projects is "Deep Gene," headed by University of California, Berkeley, botanist Brent D. Mishler, and "Deep Time," headed by Doug Soltis...Stowaways from space provide link between impact, biggest extinction in Earth history
...to the theory that early life on Earth was somehow seeded from space with complex carbon compounds. Scientists say it's possible that carbon cages might provide a template or skeleton for other molecules, and the gases they carried to Earth might somehow make up part of our atmosphere....UCSF studies illuminate possible new landscape for targeting cancer
...malignant lesions or in normal tissue beds freshly seeded with disseminated tumor cells," says senior author Hanahan. Yet there may be hope for broader applicability as well, he says, by combining inhibitors of MMPs with inhibitors of the as-yet-undefined alternative regulators that elicit angiogenesis in t......ard a comet could have survived such an impact and seeded life on this planet. The results give credence to the theory that the raw materials for life came from space and were assembled on Earth into the ancestors of proteins and DNA. "Our results suggest that the notion of organic compounds coming from o...Stem cells, forged into neurons, show promise for brain repair
...tem cells to develop into nascent brain cells and, seeded into the intact brains of baby mice, further develop into healthy, functioning neural cells. In a paper published in the journal Nature Biotechnology (December, 2001), a team of scientists from the University of Wisconsin-Madison, along with colleag...Microorganism isolated in space
...panspermia. This theory states that the Earth was seeded in the past, and is still being seeded, with microorganisms from comets. Last year a team of biologists at Cardiff University's School of Biosciences reported evidence of viable bacteria in air samples at 41km in such quantity that implied a world-......matically survey the port channel waters that were seeded with mines. Once the sonar images were processed, dolphins were sent in to inspect potential targets, and report back on what they'd found. In the end, several mines were tagged and destroyed, thanks to the REMUS/dolphin/diver teams, and this allowe...MIT engineers report new approach to tissue engineering
...composed of. This time around, the MIT researchers seeded stem cells directly into the scaffold. "We found that with different growth factors, we could push them in different directions," said Levenberg. The polymer scaffold is key. "The scaffold provides physical cues for cell orientation and spreading, an...Golfing toward a greener environment
...cility in Madison, Wis. While the field sites were seeded with a grass, the lab samples were left bare. To test the ability of the tire chips to absorb chemicals, the Wisconsin scientists applied water spiked with different concentrations of nitrate to each sample. Then, they measured the concentration that...Microscopes provide new view for tissue engineering
...olymers or other building materials, scaffolds are seeded with cells that grow, multiply, and assemble into three-dimensional tissues. Whether the cells respond and organize as intended in this synthetic environment depends greatly on the composition, properties, and architecture of the scaffolds' porous in......use disease, Hanna described what happened when he seeded soil samples with anthrax spores, added water and let the mixture incubate in the laboratory. "All stages of the anthrax life cycle were found to occur in soil, including germination of spores, bacterial reproduction and formation of new spores," sa...