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Tag: "student" at biology news

DNA Molecules Used To Assemble Nanoparticles

...y and Biology, U-M Biomedical Engineering graduate student Youngseon Choi built nanoparticle clusters of two different functional dendrimers, one designed for imaging and the other for targeting cancer cells. Each of the dendrimers also carried a single-stranded, non-coding DNA synthesized by Choi. In a sol...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

...tatistical analyses were performed by the doctoral student SnaevarSigurdsson and Professor Ann-Christine Syvänen at the Center forClinical Medical Research at Uppsala University.The study, comprising nearly 2,000 individuals, shows that two genes inthe interferon system are very strongly associated with the ...

New, automated tool successfully classifies and relates proteins in unprecedented way

...re carried out together with XiangChen, a graduate student in the Merck Computational Biology andChemistry program.Chen and Murphy found that the new tool outperformed existing methodsof identifying overlapping proteins within cells, such as simple visualcategorization of their locations."Our tool outperform...

Anti-bacterial additive widespread in U.S. waterways

...r research intern, Daniel H. Paull, now a graduate student in theChemistry department at Johns Hopkins University, observed theoccurrence of triclocarban in the environment correlated strongly withthat of triclosan, another commonly used antimicrobial chemical thathas been studied in much greater detail beca...

Timing is everything: First step in protein building revealed

... was a completelyunexpected result," says graduate student David Maag, first author ofthe paper."It's impossible to know for sure whether eIF1 is released completelyin living creatures, but in our laboratory experiments that is clearlythe case," adds Lorsch. "Even if it isn't released completely in intactcel...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...higan State, and Beth Palian, currently a doctoral student at the University of Southern California. Recently, the West Nile virus has been responsible for a viral encephalitis outbreak in the northeast. The NYU researchers set out to determine how the body can fight viral encephalitis. Specifically, they e...

Study finds more than one-third of human genome regulated by RNA

...ion of the journal Cell, BenjaminLewis, a graduate student working jointly with Whitehead's Bartel andMIT associate professor of biology Christopher Burge, provides thefirst evidence that microRNAs influence a large percentage of life'sfunctions.The team developed a computational method to define the relatio...

NYU researchers simulate molecular biological clock

...ion of the journal Cell, BenjaminLewis, a graduate student working jointly with Whitehead's Bartel andMIT associate professor of biology Christopher Burge, provides thefirst evidence that microRNAs influence a large percentage of life'sfunctions.The team developed a computational method to define the relatio...

Solution to Pollution: New Bacteria Eats Toxic Waste

...participating in the project. The researchers said student and faculty interest in this project is high because of its human-interest orientation. In Orson Wells?classic tale “War of the Worlds,?invisible bacteria saved the world as well as the people in it. Through this project, life is imitating art and t...

Enzyme shown to help protect genomic stability

...lizing activity," says N.C. Tolga Emre, a graduate student in Berger's laboratory and lead author on the study. The Ubp10 enzyme acts on histones, molecules that have attracted increasing attention from scientists as they move beyond sequencing the human genome to trying to better understand how DNA is mana...

Needling Chromosomes Reveals Cell Division Secret

...iameter of a human hair, a Duke Universitygraduate student has tested their "stickiness" to one another duringcell division. Her uncanny surgical skills have added a piece to thelarge and intricate puzzle of how one cell divides into two -- aprocess fundamental to all organisms.In the Dec. 14, 2004, issue of...

Poplar trees redirect resources in response to simulated attack

...n leaves less tasty," said Benjamin Babst, a Ph.D. student in the biology department at Tufts University and lead author on that paper. "But there's a suspicion that plants also respond by building up tolerance, for example by putting aside more carbon into storage so it will be available to help the plant s...

Genetically modified natural killer immune cells attack, kill leukemia cells

...th ALL," said Chihaya Imai, M.D., the postdoctoral student who did most of the work on this project. ...

Scientists develop new color-coded test for protein folding

...are, postdoctoral fellow Soonwoo Chah and graduate student Matthew R. Hammond created a liquid solution containing nano-sized particles of gold saturated with a protein called cytochrome c. "We chose gold nanoparticles because they are simple to prepare, easy to control and cost effective," the authors wrot...

Study shows nanoshells ideal as chemical nanosensors

...ay.In the current study, Halas and former graduate student Joseph B.Jackson, now with Nanospectra Biosciences, Inc., created thin films ofnanoshells deposited atop plates of glass. Films with various densitieswere studied, as were films containing both silver and gold nanoshells.Through painstaking analysis,...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...authors of the Science paper include UCSC graduate student Eric Danner, University of Montana plant ecologist...eam of researchers, accompanied by a small army of student assistants, conducted extensive surveys on the islands for several weeks each summer over three year...

Researchers trace evolution to relatively simple genetic changes

... and colleagues at Stanford, Kingsley and graduate student Pamela F. Colosimo focused on a well-studied little fish called the stickleback. The fish -- with three bony spines poking up from their backs -- live both in the seas and in coastal fresh water habitats all around the northern hemisphere. Stickleba...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

... and colleagues at Stanford, Kingsley and graduate student Pamela F. Colosimo focused on a well-studied little fish called the stickleback. The fish -- with three bony spines poking up from their backs -- live both in the seas and in coastal fresh water habitats all around the northern hemisphere. Stickleba...

Studies reveal methods viruses use to sidestep immune system

...hwestern Medical Scientist Training Program (MSTP) student Eileen Foy was an author on all three papers. MSTP student Rhea Sumpter and postdoctoral researcher Dr. Yueh-Ming Loo were authors on two of the papers. Postdo...

Development of portable infectious disease detector

...endipity. It started when David Schaffer, a VIIBRE student whostayed on at the institute as a project engineer after he graduated,was browsing the Web looking for a permanent job. Although looking fora local position, he inadvertently opened a Web page with listings fromCalifornia. He came across an interest...

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