Sentences with phrase «laboratory evidence of»

Do you know of any laboratory evidence of the ability of trace CO2 to trap radiative heat somehow avoiding convection?
It seems prudent to examine the vitamin K status of dogs with EPI who have laboratory evidence of a coagulopathy (bleeding).
Parenteral vitamin K1 (2.5 mg / kg) followed by oral vitamin K1 at 0.25 to 2.5 mg / kg q12 hours should be given when there is clinical or laboratory evidence of a coagulopathy.
It has been suggested that these drugs reduce CSF pressure however laboratory evidence of this is lacking.
One or more adrenal cortical nodules can be encountered in patients without clinical or laboratory evidence of hypercotisolism (1)(fig. 19 - 1).
Among cases of microcephaly reported in Colombia so far this year, four babies had laboratory evidence of a Zika virus infection.
Results Among 442 completed pregnancies in women (median age, 28 years; range, 15 - 50 years) with laboratory evidence of possible recent Zika virus infection, birth defects potentially related to Zika virus were identified in 26 (6 %; 95 % CI, 4 % -8 %) fetuses or infants.
Fifth, some mother - infant pairs demonstrated laboratory evidence of an unspecified flavivirus infection; therefore, some of these might not have had Zika virus infections.
Reports to the USZPR were summarized by laboratory evidence of Zika virus infection.
Ten of 11 women included in this study presented with symptoms of ZIKV infection during the first half of pregnancy, and all 11 had laboratory evidence of the infection in several tissues by serology or polymerase chain reaction.
Their findings shed new light on the physics of black holes with the first laboratory evidence of the phenomenon known as the superradiance, achieved using water and a generator to create waves.

Not exact matches

According to the report, the «police cited evidence that five laboratories accredited by the Agriculture Ministry colluded with the analysis department of BRF to «falsify» test results related to the safety of its industrial process.»
«This is evidence of a big shakeup early on in the solar system's formation,» Glenn Orton, a co-author of the new study and a planetary scientist at NASA's Jet Propulsion Laboratory, told Business Insider.
One of the greatest american minds recently provided evidence that we do nt need a god to create life, and as a fact life has already been created by man in the laboratory.
Recent research has been conducted by third - party university professors and affiliated laboratories, and included a field survey and controlled laboratory studies that investigated and provided evidence to support the cleanliness of corrugated packaging.
The study provides what the authors say is good clinical evidence that helmet design can lower the risk of concussion, not in a laboratory, but in games and practices, by showing that a helmet model introduced in 2000 provides better protection against concussion than an older helmet employing 20 - year - old design technology.
Dr. James McKenna, the director of the Mother - Baby Behavioral Sleep Laboratory at the University of Notre Dame noted that the judgments people place on a child's development because of bed - sharing are societal and have no scientific evidence to back them up.
The toxic effects of inorganic As are clear, and laboratory evidence suggest that organic forms also may pose a health risk, 32 although further data are needed.
Contrary to the latter, Gaudot sees the EU as a «laboratory for the democracy of tomorrow», as evidenced by the Occupy movement, and other grassroots campaigns across Europe.
The following links provide access to general methods of testing used by the Laboratory, submssion guidelines, complaint procedure and the documents necessary for submitting evidence, filing a complaint or submitting a customer satisfaction survey.
Scientists at the Johns Hopkins Kimmel Cancer Center say they have preliminary evidence in laboratory - grown, human airway cells that a condensed form of cigarette smoke triggers so - called «epigenetic» changes in the cells consistent with the earliest steps toward lung cancer development.
Denis Dees of Argonne National Laboratory in Illinois says, however, that he would like to see evidence that the new batteries can survive for 6 to 12 months on the shelf and still be discharged.
Yet critics said the extraordinary claim required extraordinary evidence, and asked for protein sequences, better handling of samples to prevent contamination, and confirmation analyses from other laboratories.
Then in 2007 came the disheartening news that the Mini Booster Neutrino Experiment (MiniBooNE, pictured) at the Fermi National Accelerator Laboratory in Batavia, Illinois, had failed to find evidence of them.
In 1960 a Harvard laboratory measured the warping of time in a gravitational field, and some 20 years later researchers found indirect evidence for the existence of gravity waves.
To expand the DNA evidence in the new study, Wayne retrieved DNA samples of golden jackals collected two decades ago in Kenya from his laboratory freezers.
«This is the first reliable evidence that a lunar rhythm can modulate sleep structure in humans when measured under the highly controlled conditions of a circadian laboratory study protocol without time cues,» the researchers say.
In the face of these controversies, changing our practice of laboratory test monitoring relies not only on evidence provided by key studies such as this one but may additionally require discussion within the dermatology community and possibly even endorsement or guidelines issued from key opinion leaders to gain wide acceptance,» write Eleni Linos, M.D., M.P.H., Dr.PH., of the University of California, San Francisco, and coauthors in a related editorial.
The first conclusive evidence of such a violation was finally discovered late last year by collaborators on an experiment named BaBar at Stanford University's SLAC National Accelerator Laboratory.
Unencumbered by human frailties, Curiosity — like the rovers Spirit and Opportunity, which survived on the Red Planet years longer than expected — will be free to hunt for E.T. «If we find evidence for life on Mars, boy, are we just gonna go wild with speculation about how common it is in the universe,» says Lou Friedman, a former scientist with NASA's Jet Propulsion Laboratory in Pasadena and cofounder, with Carl Sagan, of the Planetary Society.
Worries escalated in the 1970s when Brookhaven National Laboratory's Lewis Dahl claimed that he had «unequivocal» evidence that salt causes hypertension: he induced high blood pressure in rats by feeding them the human equivalent of 500 grams of sodium a day.
Twenty years of electrical recording in anesthetized laboratory animals provided ample evidence that many cortical cells, particularly in primary sensory cortical regions, continue to respond selectively during anesthesia.
Peter Whibberley, a physicist at the National Physical Laboratory in Teddington, UK, says that despite ten years of debate, «there's no convincing evidence that anything serious would happen if you made a mistake introducing a leap second into a system».
Jose Vazquez of Brookhaven National Laboratory combined the BOSS results with other surveys and searched for any evidence of unexplained physical phenomena in the results.
There's not enough evidence to say that, says behavioral geneticist Carlos Driscoll of the Laboratory of Comparative Behavioral Genomics at the National Institutes of Health in Bethesda, Md..
Evidence of recent pertussis infection was confirmed by laboratory testing of oral fluid and cough frequency was monitored over 24 hours using a wearable automated device in six children with confirmed infection.
Several years ago, an experiment at Los Alamos National Laboratory in New Mexico, US, turned up evidence of what appeared to be a sterile neutrino with a mass of about 1 electron volt.
Experimental physicist Daniele Faccio of Heriot - Watt University in Edinburgh calls the work «possibly the most robust and clear - cut evidence» that laboratory models can emulate phenomena at the interface between general relativity and quantum mechanics.
Reich and lab members, Swapan Mallick and Nick Patterson, teamed up with previous laboratory member Sriram Sankararaman, now an Assistant Professor of computer science at the University of California, Los Angeles, on the project, which found evidence that both Denisovan and Neanderthal ancestry has been lost from the X chromosome, as well as genes expressed in the male testes.
Sure enough, there is as yet no experimental evidence to support this view — indeed, the improbability of ever reproducing black holes or big bangs in the laboratory has caused some researchers to wonder whether there will ever be any evidence.
Evidence of X (4140) first appeared in 2009 at the Fermi National Accelerator Laboratory, outside of Chicago, but the observation was not confirmed until three years later at CERN.
«This provides strong evidence that Müller glia are important therapeutic targets for treating degenerative eye diseases,» said Sehwon Koh, Ph.D., who is the lead author of this paper and a postdoctoral fellow in the laboratory of Cagla Eroglu, Ph.D., an associate professor of cell biology and neurobiology at the Duke University Medical Center.
A study combining tumor cells from patients with breast cancer with a laboratory model of blood vessel lining provides the most compelling evidence so far that a specific trio of cells is required for the spread of breast cancer.
After observing this natural evolution and once the base guideline had been established, the next challenge to be overcome was to check the viability of the method using spontaneously written documents whose exact age was known, such as diaries, laboratory logs and judicial evidence from judicial processes that had been closed.
He said he wanted to keep his position long enough to produce evidence of interest to investigators from his computer and files at his Todai hospital laboratory.
Now, a team led by physicist Yimei Zhu at the U.S. Department of Energy's Brookhaven National Laboratory has produced definitive evidence that the movement of electrons has a direct effect on atomic arrangements, driving deformations in a material's 3D crystalline lattice in ways that can drastically alter the flow of current.
The dense core of a nearby collapsed star is undergoing a rapid chill, providing the first direct evidence that such stars can produce a superfluid of neutrons — a state of matter that can not be created in laboratories on Earth.
«This is the first evidence that a bacterium lives on the ocular surface long - term,» explained Rachel Caspi, Ph.D., senior investigator in NEI's Laboratory of Immunology.
So say physicists working at the CERN laboratory in Geneva, Switzerland, who claim to have found conclusive evidence for the existence of so - called pentaquarks within the debris of high - energy proton collisions.
«This study provides evidence that there is plasticity or compensation ability in the aging brain that appears to be beneficial, even in the face of beta - amyloid accumulation,» said study principal investigator Dr. William Jagust, a professor with joint appointments at UC Berkeley's Helen Wills Neuroscience Institute, the School of Public Health and Lawrence Berkeley National Laboratory.
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