Sentences with phrase «samples for evidence»

The scientists — whose names are secret — plan to map the ice pack and the ocean floor beneath it, monitor patterns of ocean circulation and analyse water samples for evidence of pollution.

Not exact matches

The worst part is that while you're bleating about sample sizes, you're also waiting for evidence that everything is a mirage.

This presentation will use original research conducted in the community to provide evidence for babywearing practices as an effective intervention to improve mother - infant bonding in a sample of young mothers.

For the restricted sample of women without any complicating conditions at the start of care in labour, the odds of a primary outcome event were higher for births planned at home compared with planned obstetric unit births (adjusted odds ratio 1.59, 95 % confidence interval 1.01 to 2.52) but there was no evidence of a difference for either freestanding or alongside midwifery units compared with obstetric uniFor the restricted sample of women without any complicating conditions at the start of care in labour, the odds of a primary outcome event were higher for births planned at home compared with planned obstetric unit births (adjusted odds ratio 1.59, 95 % confidence interval 1.01 to 2.52) but there was no evidence of a difference for either freestanding or alongside midwifery units compared with obstetric unifor births planned at home compared with planned obstetric unit births (adjusted odds ratio 1.59, 95 % confidence interval 1.01 to 2.52) but there was no evidence of a difference for either freestanding or alongside midwifery units compared with obstetric unifor either freestanding or alongside midwifery units compared with obstetric units.

Protection of breast feeding from commercial exploitation should be among the highest priorities for the international community, yet violations of the World Health Organization's code of marketing of breast milk substitutes have been seen regularly, despite companies» expressed intentions to conform.1 — 3 The study by Aguayo et al in west Africa in this issue (p 127) provides further evidence that many manufacturers fly in the face of the code by providing free samples, giving donations to health workers, and contravening standards for labelling.4

Essentially a duplicate of the Curiosity rover now on Mars, this robot has been tasked with searching for evidence of past life and collecting rock samples for eventual return to Earth.

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.

A similar sample collected in Italy stored evidence of an extraterrestrial cause for the extinction of 75 percent of life on Earth some 66 million years ago.

Now a new study that sampled water from 60 such wells has found evidence for natural gas — contamination in those within a kilometer of a new natural gas well.

For instance, the fecal occult blood test is an at - home kit that looks for evidence of microscopic traces of blood in stool samples, a potential sign of cancFor instance, the fecal occult blood test is an at - home kit that looks for evidence of microscopic traces of blood in stool samples, a potential sign of cancfor evidence of microscopic traces of blood in stool samples, a potential sign of cancer.

«In this study, we haven't found evidence for Leishmania DNA in the samples from the New Kingdom to the Late Period, which are 500 to 1,000 years younger than those from the Middle Kingdom,» Zink notes.

They frequently have to rely on circumstantial evidence and guesswork to assign a date of manufacture for ancient silk clothing and tapestries, as traditional carbon dating requires samples so large that it visibly damages the fabrics.

For formal courses, include samples of course syllabi, home pages of course Web sites, evidence of teaching innovation, and examples of student work.

«Based on this report, we requested semen samples from all cases of Zika imported into the UK, in order to provide further evidence for this potential,» said corresponding author Barry Atkinson, PhD, of Public Health England.

The researchers found that some of the evidence for rising dino diversity in the Cretaceous period came from sampling bias; more fossils of different species are available from the period than from earlier periods — a factor that could be due to chance.

Rather than ordinary spot - testing approaches, which look for unnatural ratios between biological constituents in a single sample or for direct chemical evidence of known doping agents, the passport allows investigators to see the big picture — any deviations from the rider's test - established norm that might result from doping, even if the specific drug or tactic remains unknown.

McKay suggested that the Viking Mars lander may have inadvertently oxidized any evidence of life it its samples of Martian soil, proposed an expedition to gather samples of water from the Saturn moon Enceladus, and offered a child - friendly analogy for how alien life might differ from life on Earth: «I could build a table out of Lincoln logs and you could build a table out of Legos: At the macroscopic scale they'd be the same — they'd both be tables; at the microscopic scale they'd be the same — they'd both be built from carbon atoms.

As the former football player was being tried for allegedly murdering his ex-wife and her friend, Mitchell recalls how the controversy surrounding the defense's claim of a «mishandling of forensic evidence» including blood samples resonated with him.

«Cosmochemists find evidence for unstable heavy element at solar system formation: «Curious Marie» sample leads to critical detection of curium in meteorite.»

«For example, ocean currents can disperse microorganisms, but there is also evidence that microorganisms travel by air: microbes believed to have originated from the Gobi desert were collected in air samples from the northwestern United States.»

While the authors found evidence for gene flow between sampled groups, the ancestral population of Aboriginal Australians started to become structured around 31» 000 years ago thus creating the genetic diversity observed today.

The samples produced evidence of 57 different chemicals, 45 of which they believe have some potential for affecting human health.

The U.N. investigators who traveled to Syria last week to probe an apparent chemical attack have turned their samples over to a specialized network of laboratories that can look for evidence of the weapons.

It's a sample of one, but because this is the first potential evidence of a dominant handed pre-Neanderthal, Frayer said, the study could lead to a search for the marks in other early Homo fossils.

Based on necropsy evidence and sampling for a plethora of pathogens, the team diagnosed hemorrhagic septicemia, or fatal blood poisoning, caused by Pasteurella multocida type B bacteria, the researchers report January 17 in Science Advances.

The study has solid geographical sampling, and the team's statistical analysis of two DNA genomes — mitochondrial and nuclear — shows pretty good evidence for the new species, says Bryan Stuart, a curator of herpetology at the North Carolina Museum of Natural Sciences in Raleigh, who was not involved in the work.

In addition, molecular studies of human colorectal cancer samples recently uncovered multiple mutations in the TRPV1 gene, though Raz noted that currently there is no direct evidence that TRPV1 deficiency is a risk factor for colorectal cancer in humans.

NIST chemist Tom Bruno, who invented a method for recovering trace chemicals such as environmental pollutants and forensic evidence, uses a portable version of the instrument to sample vapor inside an old paint can.

Ian Lipkin, a virologist at Columbia University who's also searching for MERS in animal samples, says that the paper provides «compelling evidence that camelids [a group that includes camels, llamas, and alpacas] may be implicated.»

There has been growing evidence that Europa may be emitting plumes of water from its south pole, and many scientists want any mission to be able to sample those plumes for signs of life.

Tests of biological samples from survivors showed «definitive evidence of exposure to sarin» for most.

Knight says some of the strongest evidence for a bacterial role in circadian - linked diseases lies in the final phase of the study, when the research team analyzed fecal samples from two people on a normal schedule and two more who had recently flown from the United States to Israel.

Ostrer and Behar found no such link, however, and Richards's team, which sampled mtDNAs from Asia and the Caucasus specifically to test this idea, also found no evidence for it.

For decades, juries across the United States have been asked to weigh the validity and reliability of evidence relating to latent fingerprints, the samples collected from crime scenes that fingerprint examiners later compare with those known to belong to identified sources.

Hudson, who left NIH last month and commented as a private individual, said NIH can now collect evidence to show whether collecting broad consent for samples «is doable.»

The Dmanisi sample, which now comprises five crania, provides direct evidence for wide morphological variation within and among early Homo paleodemes.

Smith and a graduate student went to South Africa and collected samples from the Pinnacle Point archaeological site looking for evidence of the Toba super volcano.

After roving for approximately a Mars year (almost two Earth years) and sampling dust, sand, rocks and atmosphere at the Gale Crater landing site, Curiosity has found the strongest evidence to date that the very early Mars environment could have provided a suitable habitat for life as we know it.

The evidence for the presence of a mycelial fungus in affected areas of the infected bats was obtained when tissue samples from the Williams Hotel Mine were examined by SEM; this imaging method revealed abundant fungal growth on skin and hair shafts (Fig. 1Ci - iv).

Ovary samples are also examined histologically to look for evidence of skipped spawning.

He is currently studying both modern and ancient rocks and minerals, as well as samples of Martian meteors, for evidence of nanobes.

While none of the genes encoding signaling proteins have evidence for differential expression after infection, this functional class is notable for the consistency with which we can detect expression in both uninfected and infected samples.

Since the geysers originate from the ocean below, they can be sampled for such evidence without having to drill through the ice shell.

Due to the availability of data from three observing runs separated by ~ 10 and 1 month timescales, we are able to demonstrate clear evidence for evolution of the photometric amplitudes, and hence spot patterns, over the 10 month gap, although we are not able to constrain the timescales for these effects in detail due to limitations imposed by the large gaps in our sampling, preventing use of the phase information.

We reasoned that any lineages that were seen in placental samples extracted by both methods, but less abundant or absent in controls, would be candidates (though we note that there is evidence for occasional recovery of different lineages dependent on the DNA purification kit used [24]-RRB-.

The first sampled rock, «John Klein,» in the Yellowknife Bay area near the landing site, provided evidence for meeting the mission's primary science goal.

An analysis of the geographical distribution of allele frequencies showed weak evidence of variation in distribution of alleles, with clusters representing a higher than expected number of samples with the major allele being identified for 5 SNPs.

Two Early Anglo - Saxon samples from Oakington have been excluded from computing the average, indicated by empty circles, because they show evidence for being admixed (O3) or of non-immigrant ancestry (O4).

Samples from this formation provided evidence for large amounts of nickel that were spewed from volcanic activity at this time, 252 million years ago.

To further investigate this possibility, we next searched for evidence of direct contamination of prostate cancer samples by XMRV - infected LNCaP or 22Rv1 using a mitochondrial RNA (mtRNA) profiling strategy.