Tag: "sample" at biology news
NIH funds first nationaL SNP genotyping center at Broad Institute
...ign experiments using secure informatics tools for sample
management. An integrated SNP selection tool will be provided to automate queries and create SNP panels. A secure, web-based environment will provide access to a database linked to an in-house DNA repository and all samples will be coded to assure s...
New biosensor rapidly detects deadly foodborne pathogen
... liquid food solution, any L. monocytogenes in the sample
will stick to the fiber. The presence of ...process known as "enrichment," which occurs when a sample
believed to be contaminated grows for a period of time in a nutrient broth to allow any pathogen cel...
September/October 2004 Annals of Family Medicine tip sheet
...k with an instrument mailed to a nationwide random sample
of family physicians, researchers found that 1) response rates from electronic practice-based research network surveys are as good as those from traditional surveys using mailed survey instruments to a larger population, 2) the timeliness of response...
UF scientists have bionanotechnology recipe to find elusive bacteria
..., scientists often have to "plate" it -- place the sample
in a Petri dish and let the bacterial colonies gro...anoparticles found a single E. coli bacterium in a sample
of ground beef in less than 20 minutes, from start to finish. A quicker analysis time is not only v...
Award-winning INEEL probe to help safely monitor hazardous waste sites
...oratory, scientists can safely and more accurately sample
and monitor soil in and below hazardous waste site...a 1960s-era nuclear waste site that they needed to sample
directly, Jones and his team set about in 1999 to build new tools for the cleanup job. They wanted t...
NHGRI seeks next generation of sequencing technologies
... emphasizes the miniaturization of each step, from sample
preparation to DNA sequencing. The platform enables one person to fragment, amplify, sequence and assemble an entire genome, regardless of the genome's size. John Williams, Ph.D., LI-COR Inc., Lincoln, Neb. $2.5 million (3 years) "Single-Molecule DN...
Purdue chemists give an old laboratory 'bloodhound' a sharper nose
...nments than the laboratory. "Testing an unknown sample
using standard mass spec can take up to half a day...ely simple to conceive. "Our device sprays a sample
with a stream of high-velocity gas that contains some reactive chemicals," Gologan said. "Just like ...
Manipulation of epigenome turns off as many genes as it turns on
...CT116). By studying the genetic "fingerprint" of a sample
before and after demethylation, they could measure how the treatments affected the extent to which the genes' instructions were being used to make proteins. One chemical agent they tested, 5-aza-2'-deoxycytidine, blocks addition of methyl group...
Study in Royal Society journal on how relationship status influences sex ratios
...ents' relationship at the time of conception? In a sample
of 86,436 births in the United States, I find a small excess of sons among births to parents who were married or living with an opposite sex partner before the child's conception, compared to births to parents who were not. This is the first evidence...
Genetic data crunching achieves milestone at Stanford
...and incubates it with the slide, messengers in the sample
stick to the fixed DNA, showing which genes in the sample
are active. Microarrays are especially useful for comparisons between normal and cancerous tissues o...
Emory study details dolphin brain evolution for the first time
...ata from 144 modern cetacean specimens for a total sample
of 210 specimens representing 37 families and 62 species. Their work produced the first description and statistical tests of the pattern of change in brain size relative to body size in cetaceans over 47 million years. They found that encephalization...
Study: Inadequate physical activity worsens as teenagers become adults
...become more active, those scientists say. "In a sample
originally representing more than 20 million school-aged youth, we found that only 36 percent achieved five or more sessions of moderate to vigorous physical activity weekly," said Dr. Penny Gordon-Larsen, assistant professor of nutrition at the UNC ...
Iraqi civilian deaths increase dramatically after invasion
...gs need to be independently verified with a larger sample
group. However, I think our survey demonstrates th... the 17.8 month period following the invasion. The sample
group reported 46 deaths prior to the March 2003 and 142 deaths following the invasion. The results ...
Fat buildup found in hearts of obese or diabetic heart failure patients
...r cardiac function analyzed and to provide a small sample
of thigh muscle tissue before and after their surgery. Taegtmeyer's team will then assess whether weight loss after surgery results in improved heart function and decreased levels of lipids in muscle tissue. Earlier research by Taegtmeyer showed th...
Are museum collections of ancient life representative?
...es in bulk, museum, and literature based molluscan sample
data," at 8:45 a.m. Wednesday, Nov. 10, in rooms 108/110/112 of the Colorado Convention Center. Co-authors are Michal Kowalewski, professor of geosciences in the College of Science at Virginia Tech, and museum curator Lauck Ward. Barbour Wood, who ex...
Plentiful fossils of dinosaur contemporary allow population study
...a to present at the SVP," Casey said, "because the sample
sizes are usually so small."...
Researchers grow sperm stem cells in laboratory cultures
...s rate. Boys who are too young to provide a semen sample
but who also need such chemotherapy treatments could also be helped by the new technique. Their spermatogonial stem cells could be cultured to increase their numbers, frozen, and reimplanted at a later date, restoring their fertility. Moreover, ...
Cranfield collaborator receives multi million dollar financing
...nful act of piercing the skin in order to obtain a sample
of blood for glucose measurement, is required multiple times each day for millions of people with diabetes. Head of Cranfield University at Silsoe, Professor Tony Turner was intimately involved in the development of this innovative product and said...
Identifying the path to infection
...n an electron microscope. This device bombards the sample
with high-energy electrons, which scatter off the atoms in the crystal. A lens inside the microscope focuses these electrons, forming a high-resolution image, which is recorded using film or a digital camera. The recorded images are analyzed by a com...
Elevated inflammatory enzyme, Lp-PLA2, significantly linked to ischemic stroke
...ants who experienced a stroke with a cohort random sample
that included 766 participants who did not experience a stroke in a case-cohort study design. All of the individuals were part of the more than 15,592 apparently healthy U.S. men and women aged 45 to 64 who enrolled in the ongoing prospective study,...
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