Tag: "fingerprints" at biology news
American Chemical Society's Weekly PressPac -- July 18, 2007
...omise for improving the collection and analysis of fingerprints
from crime scenes. The finding is scheduled for pu...monthly journal. Standard methods for collecting fingerprints
at crime scenes, such as dusting, can sometimes alter the prints and erase valuable forensic clues, ...
Molecular detectors may refine cancer treatment
... technique could be useful to detect the molecular fingerprints
of cancer in people. The next step toward developing a clinical diagnostic tool involves matching patient data with these molecular profiles. The research team working with W. Stratford May, M.D., Ph.D., director of the UF Shands Cancer Center, an...
Foxes get frisky in the far north
... foxes do it, too. New research looking at the DNA fingerprints
of canids in the Far North has revealed that foxes...nd, Nunavut. In three-quarters of the dens, DNA fingerprints
showed that the fox cubs were the offspring of a single male and female. But in a quarter of the cas...
Modern brains have an ancient core
...give it its identity. The similarities between the fingerprints
of vasotocin and RF-amide-secreting cells in zebrafish and Platynereis are so big that they are difficult to explain by coincidence. Instead they indicate a common evolutionary origin of the cells. It is likely that they existed already in Urbilateri...
Study focuses on only carnivore with 'fingerprints'
...nal Justice to developed a new technique that uses fingerprints
to track the fisher--an elusive member of the weas...fingerprinting. Fisher prints differ from human fingerprints
because they are made up of patterns of dots rather than ridges, so standard criminology software di...
Volcanic eruptions, ancient global warming linked
...the peak of the volcanic eruptions. Using chemical fingerprints
and identical ages, they were able to positively match ash layers in east Greenland with those in marine sediments in the Atlantic Ocean. "We think the first volcanic eruptions began about 61 million years ago and then it took another 5 million yea...
The origin of the brain lies in a worm
...s give rise to neuron types with similar molecular fingerprints
and these neurons also go on to form the same neural structures in annelid worm and vertebrate." "Such a complex arrangement caould not have been invented twice throughout evolution, it must be the same system," adds Gspr Jkely, a researcher from Ar...
'Ancestral eve' was mother of all tooth decay
...n his analysis of the bacterium, Caufield used DNA fingerprints
and other biomarkers that scientists have also employed to trace human evolution back to a single common African ancestor, known as "ancestral Eve." "As humans migrated around the world and evolved into the different races and ethnicities we know...
Genetic fingerprints identify brain tumors' origins
that reveal where a brain cell came from remain di...f gene expression. These patterns provided genetic fingerprints
or bar codes for the location of PAs, as well as for another glial cell tumor called an ependymoma. ...
FSU chemist Brschweiler awarded prestigious honor
...omics, the systematic study of the unique chemical fingerprints
that specific cellular processes leave behind in biological organisms. NMR is the bread and butter technique in chemistry, and almost every chemist is likely to use the NMR methodology that Rafael has developed recently, said Naresh Dalal, chairman ...
Fingerprint technology pioneered in Leicester -- to identify the dead
Technology developed for roadside fingerprints
using hand-held devices-announced in the media thi...icers at the mortuary and although the recovery of fingerprints
is possible at the scene of death, as with mortuary recovery, to date handheld real-time on-site ana...
New test may identify cardiovascular disease earlier
...at is, the systematic study of the unique chemical fingerprints
that specific cellular processes leave behind -- to better understand the underlying biological pathways involved in families with coronary artery disease, the researchers said. They likened metabolomics to analyzing the contents of a trash can in or...
Learning to live with oxygen on early Earth
... how they metabolize it. Changes in these chemical fingerprints
tell us about changes in how organisms got their energy and food." In the Archean, microbes that could not live with oxygen--anaerobic organisms--ended up with relatively small amounts of 13C. As oxygen became available in shallow water due to oxyg...
Penn receives $4 million to establish a Center of Excellence in Environmental Toxicology
...thods of genomics and proteomics to identify early fingerprints
of disease onset, so that researchers can detect problems before they are too far advanced. In addition to its research agenda, the center will have a major community outreach and education component. Five communities, both in Philadelphia and other ...
National Academies advisory: April 25 Symposium on Forensic Evidence
...ty, University of California, Irvine, will discuss fingerprints
as evidence. HANY FARID, associate chair and professor, department of computer science, Dartmouth College, Hanover, N.H., will discuss images as evidence. ELIZABETH LOFTUS, distinguished professor, department of psychology and social behavior; de...
Cold case: Looking for life on Mars
... "We found that organisms leave tell-tale nitrogen fingerprints
on rocks, " stated Fogel. "The technology is well ...elated to biosignatures of those life forms. These fingerprints
will be part of an enormous library of signatures to which Martian samples can be compared in the se...
New DNA 'fingerprinting' technique separates hemp from marijuana
...nt cultivars of hemp and one of marijuana, the DNA fingerprints
of all the cultivars were distinct and nonoverlapping. Weiblen and Shannon L. Datwyler, a postdoctoral associate who is now on the faculty of California State University, Sacramento, found that the AFLP (amplified fragment length polymorphism) techni...
Using 'minutiae' to match fingerprints can be accurate
... (NIST) shows that computerized systems that match fingerprints
using interoperable minutiae templates--mathematic...in MINEX. Performance depended largely on how many fingerprints
from an individual were being matched. Systems using two index fingers were accurate more than 98 pe...
Researchers quantify more noise in gene expression
Human identical twins have different fingerprints
and march to the beat of subtly different phenotypes, an indication of heterogeneity which led bioengineering researchers at the University of California, San Diego (UCSD) to devised computer algorithms that identify the underlying sources of variati...
9/11 panel makes recommendations for DNA-based identification after mass disasters
...ere hired to create new tools for matching the DNA fingerprints
of victims' samples to those of next-of-kin or other reference samples. There was a low tolerance for errors and the group set stringent statistical thresholds to make the identifications with high confidence. The NIJ plans to publish its own repo...