Tag: "samples" at biology news
Scientists discover unique microbe in California's largest lake
...s UO biology professor Michelle Wood. She obtained samples
containing the organism while studying the diversi...e lead author on the paper, grew the organism from samples
collected by Wood and Hurlbert. Now an assistant professor of biological sciences at The University ...
New lensless imaging technique opens door to nanoscale world
... simple and it can be applied to a wide variety of samples
from thin films to small structures coming from material science, biology or chemistry," Luening said. State-of-the-art light sources such as BESSY and SPEAR3 at SLAC achieve lensless imaging by filtering light so that the only remaining X-rays are "...
High sugar levels increase cancer and mortality risk
...ir lifestyles and medical histories. Fasting blood samples
were taken at biennial medical examinations. The risk of developing cancer was comparable to the risk of dying from cancer. The group with the highest fasting glucose levels (greater than 140 mg/dL) had higher death rates from all cancers combined. I...
Tips from the journals of the American Society for Microbiology
...r a period of five weeks. They then screened blood samples
and found antibodies that targeted a specific prot...turned from China. Following the discovery, nasal samples
were taken from patients suffering from respiratory illness, but negative for SARS and screened for ...
Mitochondrial DNA mutations play significant role in prostate cancer
...quenced the COI gene in 260 prostate cancer tissue samples
or blood cells from patients with confirmed cancer...ostatectomies between 1995 and 2002, and 54 tissue samples
from patients who had prostate biopsies but were found to be cancer free. Twelve percent of all the ...
Research sheds light on how cancer cells become resistant to treatment
...ant implications for genomic analyses within tumor samples
because resistance to cancer therapy can be achieved by protein transfer alone. The new research will be published the week of January 17, 2005 in the online Early Edition of the Proceedings of the National Academy of Sciences (PNAS)....
Deficient DNA repair capacity associated with increased risk of breast cancer
...olleagues analyzed cell lines generated from blood samples
taken from pairs of sisters in which one sister had been diagnosed with breast cancer and the other had not. They found that DNA repair capacity was lower in breast cancer patients than in the control subjects. Deficient DNA repair capacity was asso...
New cancer gene identified by Memorial Sloan-Kettering scientists
...echnique called tissue micro arrays to study tumor samples
from people with many types of cancer, they confirmed that Pokemon is present in very high levels in certain types of B-cell and T-cell lymphomas. They also found that tumors with high levels of Pokemon protein were much more likely to be aggressive....
Protein adiponectin appears protective against heart disease
...ith controls who did not have heart disease. Blood samples
from 28 cases and 34 controls were matched for gen...tacou, explaining that adiponectin levels in blood samples
from women averaged 20.8 micrograms per milliliter, versus 16.5 micrograms per milliliter for men. "...
Anti-bacterial additive widespread in U.S. waterways
...amination is based in part on an analysis of water samples
collected from rivers in and around Baltimore, Md., as well as from local water filtration and wastewater treatment plants. From the samples, Dr. Halden and his summer research intern, Daniel H. Paull, now a graduate student in the Chemistry departme...
Yellowstone microbes fueled by hydrogen, according to U. of Colorado study
...t grows in a culture dish, we looked at the RNA of samples
directly from the field," Spear said. "We've neve...out as much material as a pencil eraser. Sediment samples
were scooped into special sample vials and immediately frozen in liquid nitrogen canisters to preser...
Novel technology detects human DNA mutations
...shold and can be used with human DNA obtained from samples
as small as a drop of blood. Importantly, the tech... technology were demonstrated with unamplified DNA samples
representing all possible forms of three genes implicated in hypercoagulation disorders. ...
Study in Royal Society journal on sense of fairness in chimpanzees
...on microscopy allows for observation of biological samples
at very high magnification with high resolution. Until now the chemical analytical properties of the electron microscope were limited to the analysis of single atoms in a sample of interest. We combined a custom-made high resolution confocal Raman mi...
Indiana University scientists' research success puts Indiana in new stem cell business
...s that will enable them to determine whether their samples
contain the endothelial stem and progenitor cells. Such test kits should be of interest to scientists testing compounds they hope would block the growth of blood vessels, which in turn could block the growth of tumors, said Ingram. Similarly, cardiov...
Blocking cell signaling can stymie viral infections, study shows
...cells and to reproduce in new cells. In laboratory samples
of monkey kidney cells, the drug prevented the smallpox virus from spreading to other cells. In lab mice infected by a virus similar to the smallpox virus, a combination of the drug and a single antibody injection resulted in complete clearance of th...
Premature births from inflammation and infection rapidly detected by proteomics technology
...nt study, Buhimschi and co-authors analyzed stored samples
of amniotic fluid from 107 women, some diagnosed with rupture of the membranes or twins and eventually delivered prematurely. The sensitivity and specificity of the MR score in identifying women who had infection and inflammation and delivered earlie...
Women's health, tissue regeneration is focus of Illinois & Carle Hospital initiative
... of osteopathic medicine, to obtain vaginal tissue samples
from consenting healthy women. IGB scientists will...logies to isolate and identify all microbes in the samples
and determine how changes in their composition and concentrations influence women's health and susce...
Dartmouth Medical School lab blends DNA and technology to aid in crime-solving
...today is the substantial backlog of unanalyzed DNA samples
and biological evidence from crime scenes, especia...ll be completed in spring of 2007. Information and samples
of other IML projects can be found at: http://iml.dartmouth.edu/education/index.html. Other IML proj...
International HapMap consortium expands mapping effort
...." To create the HapMap, DNA was taken from blood samples
from volunteer donors from the following populatio...ion was obtained from the 270 donors. However, the samples
are identified by the population from which they were collected. Although any two people are 99.9 pe...
Study finds direct association between cardiovascular disease and periodontal bacteria
...olleagues collected on average seven dental plaque samples
from a total of 657 older adults enrolled in INVEST who had not lost their teeth. The samples, taken from predetermined sites in the mouth, both diseased and healthy, were measured for 11 oral bacteria, including four bacteria widely regarded to be ...
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