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Tag: "students" at biology news

'Computer-chemistry' yields new insight into a puzzle of cell division

...ge, they then move on to the next residue. "So my students started to make these mutants randomly and test th...r search remained fruitless, Rudolph, his graduate students Jungsan Sohn, Kolbrun Kristjansdottir and Alexias Safi and his post-doctoral investigator Gregory Bu...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...l Museum of Anthropology; and UC Berkeley graduate students Joshua M. Feinberg and Kim B. Knight. The Berkeley Geochronology Center, located a block from the UC Berkeley campus, is one of the world's preeminent anthropological dating laboratories. Paleoanthropologist Tim White, professor of integrative biolo...

Engineers discover why toucan beaks are models of lightweight strength

...hed Dec. 1 in Acta Materialia, Meyers and graduate students Yasuaki Seki and Matthew S. Schneider reported tha...eas," said Meyers. "This is why I jokingly tell my students that toucans have a deep knowledge of mechanics. They don't bother adding structural support in a pa...

Yale scientists decipher 'wiring pattern' of cell signaling networks

...hnology developed in Snyder's laboratory, graduate students Jason Ptacek and Geeta Devgan used proteome microarrays to assay the thousands of different proteins in a yeast cell for targets of the protein kinases. The 82 unique kinases, representing the majority of master regulators in the yeast cell, were...

Portable cocaine sensor developed at UC Santa Barbara

...f California, Santa Barbara. Two local high school students and a Nobel laureate participated in the discovery...ction and important medical uses. The high school students made their own sensors and collected data shown in a graph in the scientific article they co-authore...

Animal models show that anabolic steroids flip the adolescent brain's switch for aggression

... that nearly half a million eighth- and 10th-grade students abuse AASs each year. Not only do steroids set kids up for heavier use of steroids and other drugs later in life, but long-term users can suffer from mood swings, hallucinations and paranoia; liver damage; high blood pressure; as well as increased r...

Technique makes it easier to see mouse embryo in all its glory

...ogy tutorials on an X-Box for eighth-grade biology students to study the genetic basis of development is already in reach." ...

Intelligently designed molecular evolution

...er activity." To test this idea, Keasling and his students worked with a type of naturally occurring hydrocarbon compounds, called sesquiterpenes, that is widely used in a variety of products. For their model enzyme, they selected a sesquiterpene synthase produced by the Grand fir tree, which has the capac...

Pain killer fights breast cancer by targeting key enzyme

...work with Bin Su and Serena Landini, both graduate students in Ohio State's pharmacy program, on March 27 in Atlanta at the annual meeting of the American Chemical Society. By altering the drug's basic chemical structure, the researchers could create several variations, or analogs, of nimesulide. Nimesulide ...

Microbiology text tells stories, offers online resources

...neral microbiology textbook aimed at undergraduate students comes with not one, but two online resources. Wri...ting and research experience, Microbe, will engage students in the learning process with its clear, reader-friendly style and a unique perspective of the field....

Rice bioengineers pioneer techniques for knee repair

...g and running. Over the past 18 months, he and his students Adam Aufderheide and Gwen Hoben have perfected methods of growing meniscus-shaped pieces of cartilage, but they are still trying to perfect the mechanical strength of the engineered meniscus tissue, which must be able to withstand up to an astounding...

'Bad' enzymes may wear white hats after stroke

... stroke. HHMI medical student fellows are medical students who are interested in biomedical research. The fel...hool. The program is designed to encourage medical students to become physician-scientists. Just after a stroke--a temporary loss of blood to the brain caused ...

Detection of DNA on nanotubes offers new sensing, sequencing technologies

...cular engineering professor Michael Strano and his students reported that single-walled carbon nanotubes coated with DNA could be placed in living cells and detect trace amounts of harmful contaminants. In a paper accepted for publication in the journal Nano Letters, and posted on its Web site, the researcher...

CU, USDA team to curb two invasive, poisonous vines

...die within three days. DiTommaso and his graduate students are investigating whether the plants release root chemicals that alter soil conditions. Preliminary findings suggest that communities of mycorrhizae -- soil fungi that help provide more nutrients to plant roots -- differ in species and abundance in a...

Next good dinosaur news likely to come from small packages

...endure longer than DNA. In a recent study Ostrom's students found that a protein in bone in an environment void of oxygen (say, if it's been resting in a swamp) can last for 200 hours at temperatures of 100 degrees Celsius. "If we have a protein sequence from bone, we can tell if the material is an original...

Virginia Tech scientists develop process for creating biocompatible fibers

...om Virginia Tech now at P&G, current chemistry students John M. Layman and Matthew P. Cashion, and chemistry professor Timothy E. Long, all at Virginia Tech. "Phospholipids, which are the main component of cell membranes in the human body or in an apple are exquisite in terms of their ability to self-org...

Virginia Tech helping to develop higher quality, disease-resistant wheat varieties

...nd-users and an educational program to attract new students to agriculture and train them in modern and traditional breeding techniques. ...

Weizmann Institute suggests that immune cells help to maintain cognition and brain cell renewal

...arch team led by Prof. Schwartz, included graduate students Yaniv Ziv, Noga Ron and Oleg Butovsky, and in collaboration with former graduate student Dr. Jonathan Kipnis and with Dr. Hagit Cohen of the Ben-Gurion University of the Negev, Beer Sheva. It was reported before that rats kept in an environment ri...

Movement of chromosome in nucleus visualized

...actin and myosin." Other authors include graduate students Anne Carpenter at UIUC, currently at a post-doctoral fellow at M.I.T., and Beata Fuchsova and Terezina Johnson at UIC. ...

Polymer aids in blood clotting, pointing way to new treatment

...o and a team of U. of I. graduate and postdoctoral students tested the effect of adding polyphosphate to platelet-poor plasma in a series of in-vitro experiments to see if it enhanced blood clotting. The results were dramatic, Morrissey said, adding that the presence of polyphosphate may help explain how plat...

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