Tag: "researchers" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...glycol coating to IOLs. In laboratory experiments, researchers
showed that the coating reduced accumulation of th...ells or organisms has not been fully answered, the researchers
explain. The scientists used laboratory tests on human lung cells to show that luminescent silica ...
Facial attraction -- choice of sexual partner shaped the human face
...s are sexy, at least in the eyes of our ancestors, researchers
at the Natural History Museum have discovered. Facial attractiveness played a major role in shaping human evolution, as studies on our fossil ancestors have shown our choice of sexual partner has shaped the human face. The findings appear in the onli...
Study begins to reveal clues to the cause and progression of sepsis
...hed by University of Pittsburgh School of Medicine researchers
in the August 13/27 issue of the Archives of Inter...ding into the mechanisms behind the condition, the researchers
conducted the Genetic and Inflammatory Markers of Sepsis study (GenIMS), which collected extensive c...
Multinational research: protecting ecology means understanding people, too
...entists in different disciplines need to know what researchers
in companion fields are studying, according to the science foundation. In bridging gaps between different fields of study, the science foundation notes, students also are better prepared to be broadly inclusive in their careers. The effort is timel...
Beyond batteries: Storing power in a sheet of paper
...and nearly every other type of paper. Rensselaer researchers
infused this paper with aligned carbon nanotubes, ...d Saravanababu Murugesan, were co-authors and lead researchers
of the project. Other co-authors include research associate Lijie Ci and Rensselaer Nanotechnology C...
Unravelling new complexity in the genome
...licing events in cells and tissues. Until recently researchers
studied splicing regulation on a gene by gene basis. Now we can obtain a picture of what is happening on a global scale, which provides a fascinating new perspective on how genes are regulated, Blencowe explains. A challenge now is to figure out...
Pollution causes 40 percent of deaths worldwide, study finds
...ife for all humans and is a high-risk policy," the researchers
Invasion of the brain tumors
... as an important regulator of glioma invasion. The researchers
present the first evidence that this neurotrophin receptor can also be a potent mediator of glioma invasion, and they show that the expression of this receptor is sufficient to impart a dramatic invasive behavior on genetically distinct tumors. These...
Bursts of waves drive immune system 'soldiers' toward invaders
...als along a neuron or prods the heart to beat, the researchers
observe. Videotaping allowed the scientists to w...d a chemical signal made by invading microbes. The researchers
fluorescently tagged Hem-1 to view its dynamic propulsive power under the microscope. Self-generat...
Protein 'chatter' linked to cancer activation
... to grow. Zhu says that the discovery will help researchers
understand the onset and progression of these diseases as well as help them find a cure for cancer. ...
Features of replication suggest viruses have common themes, vulnerabilities
...urnal Public Library of Science Biology, a team of researchers
from the Howard Hughes Medical Institute (HHMI) at the University of Wisconsin-Madison describes in fine detail how an RNA virus known as flock house virus co-opts a cell's membranes to create an intracellular lair where it can safely replicate its g...
Newly created cancer stem cells could aid breast cancer research
...tory studies looked different. Ince suspected that researchers
were transforming the wrong type of cells. Now a...lete surprise. This work could provide a boon to researchers
who study these elusive cancer stem cells by offering a bountiful source of them, maintains Weinberg...
Gene regulation, not just genes, is what sets humans apart
...not be able to digest like starchy root crops. The researchers
found dramatic differences in the regulatory regio... very stringent about quality, Fedrigo said. The researchers
dont think these findings will be of any help resolving questions about how and when the ancestors o...
MIT creates 3-D images of living cell
... worm, as well as several other cell types. The researchers
based their technique on the same concept used to ...e. Cells don't absorb much visible light, so the researchers
instead created their images by taking advantage of a property known as refractive index. Every mate...
Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless
... levels of these beneficial proteins, according to researchers
at Arizona Cancer Center. These findings, publi...art with. Green tea has long been of interest to researchers
given studies that have shown populations in which it is often consumed, such as the Chinese and Jap...
Does the desire to consume alcohol and tobacco come from our genetic makeup?
...c determinants underlying alcohol and tobacco use, researchers
examined 120 families (approximately 900 individuals). The researchers
identified an area relating to alcohol and tobacco use on chromosome 1. They found another area rela...
High blood pressure, low energy -- a recipe for heart failure
...e heart failure in some hypertensive patients. The researchers
assert that a molecular factor involved in maintai...ha and that were exposed to pressure overload, the researchers
observed signs of early heart failure: the mouse hearts dilated and didn't contract effectively, the...
X-ray images help explain limits to insect body size
...ion leading to the legs. A collaborative team of researchers
from Argonne's Advanced Photon Source (APS), Midwestern University and Arizona State University wanted to study how beetles' tracheal systems change as their body sizes increase. The team took advantage of richly detailed X-ray images they produced a...
New, more direct pathways from outside the cell-to-cell nuclei discovered
A team of Brooklyn College researchers
has shattered a long-held belief that no direct pa...nation of the nucleus by the beads. Similarly, the researchers
also labeled the cellular membrane with a fluorescent dye, and then observed the pinched off, intern...
Abnormal fat metabolism underlies heart problems in diabetic patients
...ent among diabetics? To help answer that question, researchers
at Washington University School of Medicine in St....ellular dysfunction." The important lipid that the researchers
found to be decreased in diabetes is cardiolipin. "Cardiolipin" literally means heart fat, and the t...
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