Sentences with phrase «analysis of samples from»

Analysis of samples from the outcrop convinced the researchers that the «coal» was in fact a fossilized oil seep dating to the late Paleocene / early Eocene.
From spacecraft studies and analysis of samples from NASA's Apollo lunar missions, the researchers knew how often large solar storms occur.
Similar analysis of samples from a group of prostate cancer patients also found an association between the presence of CTC clusters and dramatically reduced survival.
Yet a deeper analysis of samples from six of the volunteers with the most promising antibodies revealed a surprise: Five of them contained the same species of nearly identical antibodies.

Not exact matches

Data from this smaller set of respondents were used in these analyses, and their differences from the overall sample are described below.
«The team was able to collect blood samples from the three affected individuals under full chain of custody for delivery to the OPCW Laboratory and subsequent analysis by OPCW designated laboratories, and conducted identification of the three individuals against official photo - ID documents,» the new OPCW report reads.
-- An Analysis of Individual Investors» Investment Performance», Andreas Hackethal, Steffen Meyer, Dennis Schmoltzi and Christian Stammschulte apply bootstrapping simulations based on actual portfolios to distinguish skill from luck among a sample of individual German investors.
Thirteen followers that met all of these criteria were following both a Christian and an Atheist public figure in our sample, and were excluded from the final analysis
«Christian and Atheist Twitter users were selected for analysis by sampling from those who elected to follow the Twitter feeds of five Christian public figures or five Atheist public figures.
The large purpose - built facility has been designed for efficient flow - through of samples from receipt and preparation through to extraction and analysis.
Regression analyses of data from stratified, cluster sample, household iodine surveys in Bangladesh, India, Ghana and Senegal were conducted to identify factors associated with household access to adequately iodised salt.
Despite these limitations, the authors believed that the large and diverse sample from multiple schools permitted statistically valid analyses and used 5 measures of muscle - enhancing behavior, which provided a «more comprehensive picture of muscle - enhancing efforts among a US sample of male and female youth than has been available previously.»
An analysis of a nationally representative sample of about 9,000 U.S. babies found that breastfeeding decreased the risk of dying from any cause by about 20 percent, the researchers reported.
To increase sample size and allow for representative state - level analyses stratified by race, a cohort of children born during 2010 — 2013 was created by combining data from the 2011 — 2015 surveys.
Because exclusion of this infant from the regression analyses did not change the pattern or significance levels of the findings, he was included in the sample.
The process of logical inference is used to generate theoretical generalizations from the analysis of a sample that is not statistically representative, thereby producing theoretically rigorous conclusions, not statistically generalizable ones (Sharp, 1998).
Once you have placed your order we will send you a blood spot collection kit that allows you to simply and safely collect a few drops of blood from your finger tip in the comfort of your own home and return your sample to us for analysis.
Evidence collected also includes satellite images, communications from fighters, photos and videos including some images of bombs remnants, and analysis of samples.
He added that the operatives of the Explosive Ordinance Department collected some of the samples from the debris of the explosion for proper analysis and classification.
In the letter, Holt agreed with the Justice Department's decision to bar examiners from stating that a pair of fingerprints «originated from the same source to the absolute exclusion of all» others or expressing a level of certainty that is «absolute or numerically calculated» in an analysis comparing samples collected from crime scenes with those known by authorities to belong to identified sources.
The five - year, $ 500,000 grant will allow for analysis of a backlog of air samples to discern the contribution of CO2 from man - made sources
By examining tissue from different disease stages within valve samples of the same patient, the researchers were able to avoid donor variation in their analysis.
The analysis shows that the soft tissue layer around the bones retained traces of ferrous iron, a relic left over from haemoglobin that was also trapped in the sample.
In a three - stage meta - analysis, Harvard University neurologist Clemens Scherzer and his collaborators analyzed gene expression in 410 samples taken from patients that either had symptomatic or asymptomatic Parkinson's or were healthy, including 185 samples of substantia nigra — a midbrain region where dopamine neurons are particularly susceptible to degeneration.
A recent and exhaustive meta - analysis of scientific data shows that top psychology studies tend to make conclusions about human nature based on samples taken solely from Western undergraduate students.
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.
Now an analysis of bone and hair samples from the notorious duo has backed the theory that scarcity drives dietary specialisation, and shows that food preferences can diverge within co-operating groups.
So says a fresh analysis of lunar rock samples from two American moonshots.
An analysis of the HPV16 genome from 5,570 human cell and tissue samples revealed that the virus actually consists of thousands of unique genomes, such that infected women living in the same region often have different HPV16 sequences and variable risks to cancer.
Then, chemical analysis of water samples collected from boreholes showed that fluids flows northeast before emerging at Baby Bare, 52 kilometers away.
An analysis of 41,302 blood samples taken from the entire study at different time points found that a child who had an intermediate antibody level and became infected again had a 7.64 times higher risk of being in the small group that developed DHS / DSS, researchers report today in Science.
Analyses of samples brought back from the Apollo missions in the 1970s showed that the Moon has the same abundances of the three stable isotopes of oxygen as Earth.
Evidence of a past environment well suited to support microbial life came within the first eight months of the 23 - month primary mission from analysis of the first sample material ever collected by drilling into a rock on Mars.
The researchers, who also include Max C.L. Rocca of Argentina's Planetary Society and Paraguay - based geologist Jaime Báez Presser, acknowledge that samples from the site are necessary to confirm the conclusions of the analysis.
HPV is detected using a DNA analysis that looks for characteristic sequences from the 13 high risk strains of the virus in the cervical cell sample.
«We can now obtain meaningful human, pathogen and dietary DNA from a single sample, which minimizes the amount of ancient material required for analysis,» said Warinner.
Genetic analysis of colon samples from healthy people reveals that different people harbor rather different microbe populations, some of which were previously undescribed.
The finding, reported by a Stand Up to Cancer - Prostate Cancer Foundation Dream Team in the May 21 edition of the journal Cell, is based on an analysis of tumor samples from 150 men with metastatic prostate cancer that no longer responded to standard hormone - blocking therapy.
«This study represents the most rigorous analysis to date of samples suspected to derive from anomalous or mythical «hominid» - like creatures,» Lindqvist and her co-authors write in their new paper.
Spearheaded by first author Christopher McNair, PhD, a graduate student in the laboratory of Dr. Knudsen, the study undertook an extensive analysis of tumor samples and cell - free DNA samples from patients with advanced, lethal - stage prostate cancer.
The analysis in this report relies primarily on data from a Pew Research Center survey of the general public, using a probability - based sample of the adult population by landline and cellular telephone Aug. 15 - 25, 2014, with a representative sample of 2,002 adults nationwide.
A global analysis of metabolites and small molecules in urine samples from patients with adrenal cancer has identified four biochemicals that, when measured together, can distinguish malignant from benign adrenal tumors, according to study results presented at the 2015 Annual Clinical Congress of the American College of Surgeons.
Analysis of blood and tissue samples from one patient revealed that plakoglobin was expressed in CTC clusters but not single CTCs and also was expressed in some portions of both the primary tumor and metastases.
From in situ measurements made over a 20 - month period by the Tunable Laser Spectrometer (TLS) of the Sample Analysis at Mars (SAM) instrument suite on Curiosity at Gale Crater, we report detection of background levels of atmospheric methane of mean value 0.69 ± 0.25 ppbv at the 95 % confidence interval (CI).
Mangalam and his team from Mayo Clinic — where all of the work was completed before Mangalam joined the UI in 2015 — conducted microbiome analysis on fecal samples collected from MS patients as well as healthy control subjects.
The mtDNA sequence the researchers claimed to have obtained from the fossil is quite common in Europe today, making it difficult to rule out the possibility that someone not on the team touched the sample or the lab equipment used in the analysis, says evolutionary geneticist and ancient DNA expert Hendrik Poinar of McMaster University in Hamilton, Canada.
The researchers performed a metabolomics analysis, testing blood samples from a group of mice with the disorder and from a control group.
Analysis of blood samples taken at several points in time from a group of patients with different forms of advanced metastatic breast cancer found CTC clusters in the blood of 35 percent of patients and that the survival of those with more clusters in their blood was significantly reduced.
Based on an analysis of longitudinal data from a nationally representative sample of U.S. residents from 1979 to 2010, Hamoudi and Nobles say a couple's level of relationship conflict predicts their likelihood of subsequent divorce.
It involved intensive molecular testing of swab samples from 87 women who had acquired HIV infection and of 262 who did not, and sophisticated analysis comparing the vaginal microbial communities in each of those groups.
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