Sentences with phrase «different study samples»

Not exact matches

In the study sample of 60 different inversion deals, approximately 15 - 20 percent of shareholders fell into this long - term investor category and were made worse off from the inversion.

Referring to a recent diabetes study that focused on Indians (and used different methodology), he says, «The percentages in the Silicon Valley sample seem much higher.

I would have much greater faith in the study if it had a sampling of ten times that many people, had been conducted over a two - decade time frame in different parts of the country, and was based on greater ethnic diversity.

The present study aimed to measure the prevalence of different types of health and nutrition claims on foods and non-alcoholic beverages in a UK sample and to assess the nutritional quality of such products carrying health or nutrition claims.

Quiz Ref IDOur conclusions are limited by our study population, which was selected from a single cohort from the United States and sampled at a single time point; thus, our findings may not be entirely generalizable to populations elsewhere or to different points in infant development.

The study focused on six case studies of an illustrative sample of different alternative food networks.

This feasibility study examined 272 different proteins in 288 separate patient blood samples.

The authors note that while the sample size of the meta - analyses was large (123,132 to 260,861 participants in different studies), they used only GWAS summary statistics and can not estimate all genetic variance factors; some studies also used different methodologies.

In a study published in the May 29, 2014, edition of Molecular Ecology Resources, Duke researchers Peter Larsen, Ryan Campbell and Anne Yoder used high - throughput sequencing on sifaka blood samples to generate sequence data for more than 150,000 different sifaka antibodies — protective molecules that latch on to bacteria, viruses and other foreign invaders in the body and fight them off before they cause infection.

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.

«By measuring naturally occurring ammonium and iodide in numerous samples from different geological formations in the Appalachian Basin, including flowback waters from shale gas wells in the Marcellus and Fayetteville shale formations, we show that fracking fluids are not much different from conventional oil and gas wastes,» said Jennifer S. Harkness, lead author of the study and a PhD student at Duke's Nicholas School of the Environment.

Three donated individuals (one male and two females) were studied, and oral swab samples were taken daily throughout the different stages of decomposition.

In this latest study, she and her group used cryo - EM, in which protein samples are flash - frozen at liquid nitrogen temperatures to preserve their natural structure, to determine microtubule structures in different nucleotide states with and without EB3.

Alignments of RNA - seq data from three different studies across 18 samples have additionally been located on the new assembly.

The authors note that prior studies have reported elevated levels of distress among people with cancer, but they vary in quality due to small sample sizes, different diagnostic criteria and assessment standards, and an over-representation of women with breast cancer.

As they split, studied, and sampled this core, they realized it resolved into thousands of distinctive layers, each representing a different climate regime.

The researchers took samples of grains lifted by dust devils at different heights, studied tracks left by dust devils on the surface and measured physical and meteorological properties of dust devils.

The other study in Nature — led by Joerg Schaefer of Lamont - Doherty Earth Observatory and Columbia University, and colleagues — looked at a small sample of bedrock from one location beneath the middle of the existing ice sheet and came to what appears to be a different conclusion: Greenland was nearly ice - free for at least 280,000 years during the middle Pleistocene — about 1.1 million years ago.

For this project, researchers studied samples from 98 colorectal cancer patients with different mutations in KRAS and BRAF genes.

«We also wanted to discover the best method for collecting methadone particles in the exhaled breath, so our study compared two different sampling methods — electret filtration, and impaction.»

Earlier studies looked at many genes from a few animals or a few genes from many animals, but Brown University biologist Casey Dunn and his team cast a wider net, sampling DNA from all across the genomes of 71 different animals.

The research was conducted using milk samples from 44 mothers in the UC Davis Foods for Health Institute Lactation Study and fecal samples from their infants at four different time points.

Using a new technique for closely studying host blood DNA, the team determined the host origin for three - quarters of these samples, showing that the flies had fed on over 20 different species ranging from elephants and hippopotamuses to reptiles and birds.

NMR works by placing the sample of the protein to be studied inside a device with a strong magnetic field, and observing how they respond to different radio frequencies.

The study was supported by, and conducted in collaboration with Synairgen, a University of Southampton spin - out company, and formed part of U-BIOPRED, a large - scale European project using information and samples from adults and children to learn more about different types of asthma.

As part of CAMERA's suite of computational tools, they have also developed a different version of M - TIP which solves the orientation problem and can classify the images into conformational states, and consequently can used to study small biological differences in the measured sample.

Apart from the number of participants, the strengths of this study include the use of three different methods to achieve acurate measurement results: cerebrospinal fluid samples, the use of a so - called PET scanner, and genetic analysis.

The study used 7284 oak samples from France and Germany to see how moisture showed up in tree rings and nearly 1500 different stone pine and larch samples from high altitudes in Austria to establish a separate temperature record.

Using all the existing data that was available, Andrechek, along with MSU doctoral student Daniel Hollern, analyzed 1,172 mouse mammary tumor samples from 26 different preclinical models and was able to compile one of the largest databases to show which strains of mice were best suited to study a particular type of human breast cancer.

The study also compared the ancient pig sample with the genome of modern pigs of different breeds, including «Creole» pigs, which are presumably the descendents of the animals Spanish colonizers brought to America.

Vaccine developers are trying to improve vaccines for transplant recipients and other people with a weak immune system, and the samples used in this study came from a clinical trial of different versions of a flu vaccine in patients on immune - suppressive drugs.

The study compared the main different ways of diagnosing C - Diff, including the two «gold - standard» methods: a cytotoxin assay, which looks for the presence of C - Diff toxin in faecal samples; and cytotoxigenic culture, which looks to see if there are bugs present in faecal samples that could possibly produce C - Diff toxin.

While studying the thickness of royal jelly, scientists tested several samples with different pH levels.

One of the largest studies carried out to date in order to determine mercury levels in umbilical cord blood samples and its association with different reproductive effects: measurements of fetal development (weight, height and head circumference at birth), placental weight, duration of pregnancy and risk of premature birth.

Working with the brains of six normal children and seven autistic children ages 2 to 16, most of whom died of drowning, Courchesne has studied neurons under the microscope and even counted the number of neural cells in different tissue samples.

The scientific team conducted two different analyses of blood samples involving two cohorts of study participants: 147 toddlers (91 with ASD, 56 control) in the first group, 73 toddlers (44 ASD, 29 control) in the second group.

While ACME was built to accommodate small samples — the specimen used in this study was a tiny weed known as thale cress — it can readily be adapted for use with larger samples and different imaging systems.

The study's strengths, the authors wrote, include «the large sample size for both early and late postmenopausal women, the examination of multiple sex hormones in the same population, and the use of a comprehensive neuropsychological battery that allowed for the assessment of different cognitive domains.»

Authors of the new paper offer some advice with their data: «Following the findings reported here,» they write, «it would seem a prudent next step for subsequent studies to compare samples and protocols between different laboratories around the world.»

In a separate study, researchers report that all samples drawn from 45 crocodiles at five sites in and around South Africa's Kruger National Park contained detectable levels of four PFAAs, often in different combinations with other of the 15 fluorinated organic compounds tracked.

In agreement with Fouts et al. (2012), the data presented here concurs that the different sexes have significantly different genera of bacteria present in their urine, different numbers of genera and that sequences in the main belong to the phylum Firmicutes for both male and female samples, as in the study by Siddiqui et al. (2011).

Professor Brasier and Dr Webber studied C. fraxinea's genetic recognition system, called a vegetative compatibility (vc) system, in samples of the fungus from three different UK sites.

Thus, our results showing no differences in D2 / D3 receptor availability (except for a trend in ventral striatum), using a larger sample (24 marijuana abusers) than that used for studies that identified reductions in striatal D2 / D3 receptors in alcoholics and cocaine abusers, indicate that marijuana abusers, different from other drug abusers, do not show significant striatal D2 / D3 receptor reductions.

Responses from gay fathers were virtually no different when compared with those in a federally assembled, national comparative sample, according to study authors.

Power analyses for group differences and treatment effects are presented for different sample sizes to guide preclinical and clinical study design.

A different institute studied 208 urine samples from footballers staying at the hotels in question and found clenbuterol in 109 of them.

Several research teams will examine the samples using different analytical methods in order to get an overall picture,» says Tobias Sjöblom, associate professor of tumor biology at Uppsala University and director of the study.

The study is one of the largest ever of its kind, using over 20,000 samples from eight different African populations.

The samples were flash - frozen to preserve their structure for study with cryo - EM imaging, and the distance between the two gold particles in individual samples varied from 20 - 30 nanometers based on different shapes observed in the DNA segments.

What's next: The team will study different techniques to separate carbon - emitting sources by taking soil samples and measuring the fluctuation of carbon dioxide.