Sentences with phrase «on human samples»

Using an antibody that recognizes the CD68 antigen we performed immunohistochemical analysis on these human samples and calculated the percentage of CD68 expressing cells (Figure 9).

In tests performed on human samples, the device was more than 96 percent accurate for cancer diagnosis.

Not exact matches

I. David Pierce, in his doctoral dissertation on cognition and theology, found that a sample of theologically liberal women were less inclined to use polar dimensions — such as «human effort» versus «divine power» or «instrumental» versus «relational» «-- than either a sample of men or a sample of theologically moderate or conservative women.

Most of the smaller manufacturers rely on human tasters who sample each batch and determine if it «seems right» based on prior experience.

The brand will have their world - class sampling and event - marketing engine in play throughout the season, including «Jerkman,» the human sampling machine, making it rain Perky Jerky on the ski hill.

In 2007, researchers published the first randomized, controlled study of the effect of being raised in an orphanage; that study, and subsequent research on the same sample of Romanian orphans, found that compared with babies placed with a foster family, those who were sent to institutions had lower IQs, slower physical growth, problems with human attachment and differences in functioning in brain areas related to emotional development.

More work has to be done on humans as many of the results showed up in mice samples, however in studying the human brains of women who had AD scientists found significantly less male fetal tissue in their brains as in the same of women who did not have AD.

This study built on previous research from the Sundrud lab, which showed that when TH17 cells entered the intestine in human tissue samples, they increased the expression of a gene called MDR1.

The team is also implementing transient tests that, to their knowledge, have never been conducted on blood samples before and are designed to explore the flow regimes that occur in the human body.

Researchers had never managed the feat on such ancient human DNA; even younger samples are often unreadable because they are riddled with bacteria and other contaminants.

What's more, an ointment containing the peptide effectively treated wounds infected with methicillin - resistant Staphylococcus aureus (MRSA) and the increasingly common hospital infection bacterium Acinetobacter baumannii in mice and on laboratory samples of human skin.

Larger biomarker signatures can be detected with technology from CDI Laboratories, which offers microarrays of functional human proteins (over 20,000 on a single array) to test the antibodies present in human liquid biopsy samples, such as blood, serum, plasma, CSF, or tissue lysates.

Guzmán, «Speaking Stats to Justice: Expert Testimony in a Guatemalan Human Rights Trial Based on Statistical Sampling,» Chance, September 2011.

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.

When the team looked for it in data from the Human Microbiome Project, a large - scale project to sequence the DNA of all the microbes that live in and on our bodies, they found that it was present in 73 per cent of all 466 faecal samples.

It is interesting that the most similar skulls in our sample come from recent Africans on the one hand, and on the other hand from those modern humans that lived in Europe between 20 - 30,000 years ago as, for instance,... [in one location] in the Czech Republic.»

«Human beings make errors,» says Thompson, who was part of the defense team in the O. J. Simpson trial and has become — depending on your perspective — either a reasonable voice of caution about the use of DNA samples or a thorn in the side of forensics labs.

Researchers theorized that something similar might be going on in obese humans, but when they began taking blood samples, they found that obese people show very high levels of leptin.

To more accurately reflect the mechanisms driving oligodendrogliomas, the researchers used RNA sequencing to study directly, on a single - cell level, gene expression in samples from six early - stage human tumors.

These techniques include: human tissue created by reprogramming cells from people with the relevant disease (dubbed «patient in a dish»); «body on a chip» devices, where human tissue samples on a silicon chip are linked by a circulating blood substitute; many computer modelling approaches, such as virtual organs, virtual patients and virtual clinical trials; and microdosing studies, where tiny doses of drugs given to volunteers allow scientists to study their metabolism in humans, safely and with unsurpassed accuracy.

By testing all those samples, I identified microbes inhabiting the animal reservoirs and focused on those that showed up in the hunters» blood, making them candidates for firing up human disease.

While testing the effect of many normal, non-cancerous, human cells on the sensitivity of cancer cells to chemotherapy, they found a specific sample of normal human skin cells that rendered pancreatic cancer cells resistant to gemcitabine.

«Our approach does not rely on model systems but on DNA samples and clinical data from human patients.

Baxter spokesman Christopher Bona said the samples were never meant for human or commercial use and blamed the incident on technical error.

He has since been laughing, apparently, at Ellen DeGeneres while watching her on television in his cage; two is a small sample size, I realize, but perhaps he finds homosexual human beings particularly comical.

When the researchers expanded their search to include all the data from the Human Microbiome Project, a large - scale project to sequence the DNA of all the microbes that live in and on our bodies, they found that the same virus was present in 73 per cent of all 466 human faecal samHuman Microbiome Project, a large - scale project to sequence the DNA of all the microbes that live in and on our bodies, they found that the same virus was present in 73 per cent of all 466 human faecal samhuman faecal samples.

As a further check on their work, they also compare the unclassified sediment DNA to that of the animals most likely to contaminate a sample, including humans.

The next NASA mission planning to use an MMRTG is the Mars 2020 rover, due to be launched as part of NASA's Journey to Mars, to seek signs of past life on the Red Planet, test technology for human exploration, and gather samples of rocks and soil that could be returned to Earth in the future.

Dr. Wang plans to continue studying the effects of TNF and IL - 17 on melanocytes, and would like to expand the research to 3D skin models — fabricated samples of tissue in vitro that behave like human skin — that would give a better visual of how the melanin production process is being disrupted by these two cytokines during skin inflammation or wound healing.

On the other hand, the first sampling site with little human activity should have had a higher biodiversity level.

But getting a DNA sample from a bone means drilling a hole in it, and archaeologists were not about to let geneticists go to work on the deteriorating human skeletons without some guarantee of a genome.

The molecular fingerprint obtained by the MasSpec Pen from an uncharacterized tissue sample is instantaneously evaluated by software, called a statistical classifier, trained on a database of molecular fingerprints that Eberlin and her colleagues gathered from 253 human tissue samples.

These results were also confirmed on human cells and tissue samples.

When this idea was tested on human blood samples, the researchers found that subjects who suffered from depression had unusually low miR135 levels in their blood.

In a new study published in the current issue of the Journal of Personality and Social Psychology, researchers in the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt - Universität zu Berlin in Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methods.

Based on statistical groupings of the samples, scientists say there were two major periods of human occupation of the cave: one stretching from 37,000 years to about 33,500 years ago and another from 31,000 to about 28,000 years ago.

The gift accompanies a paper published online today in Nature from researchers at Broad and worldwide, which identifies more than 100 areas of the human genome associated with schizophrenia, based on samples from almost 37,000 people with schizophrenia and about 113,000 without the disease.

Using radiocarbon dating techniques on samples that included human bone, they dated the flood to 1920 BC.

«Body on a chip» could improve drug evaluation: Human tissue samples linked by microfluidic channels replicate interactions of multiple organs..»

Malamud's microfluidic machine uses four microscopic channels to simultaneously scan a sample: The first looks for human antibodies to the infectious agent, the second for an antigen on the surface of the pathogen, and the third and fourth amplify viral RNA or bacterial DNA.

«For the first time, we've successfully recorded a spring fish migration simply by conducting DNA tests on water samples,» says Mark Stoeckle, senior research associate in the Program for the Human Environment.

The kit contains human cells and DNA extracted from them, along with the results of various tests carried out on the samples by a group of molecular biologists.

By zooming in on mitochondrial DNA in mite samples from around the world, scientists discovered that different human populations have different mites, that those mites follow families through generations, and that they are not casually transferred between humans.

In an unpublished report to the US Environmental Protection Agency, the researchers say they found no acute or immediate impacts on human health, though they warn that the samples were small and that they could not say anything about possible long - term effects.

The study, which included 40 sites from Spain to Russia and employed the most recent sample preparation and statistical techniques to increase dating accuracy, found that Neandertals and modern humans did overlap for 2600 to 5400 years, depending on the exact region they inhabited.

The researchers caution that it's impossible to draw broad conclusions about Neandertal life histories from this one sample, such as whether Neandertals weaned their children earlier or later than modern humans who lived at the same time, or whether Neandertal children grew up faster, as some earlier studies have suggested — questions that could heavily bear on why Neandertals could not keep up with modern humans in the survival sweepstakes.

They hope to expand their sample range and explore these regions further to better understand the route traveled by the disease, the evolutionary changes it acquired at different stages, and the toll it had on the human population.

In contrast to some initial studies that had suggested that H7N9 poses an imminent risk of a global pandemic, the new research found, based on analyses of virus samples from the Chinese outbreak, that H7N9 is still mainly adapted for infecting birds, not humans.

In testing on laboratory mouse models and human MDS / AML samples, the researchers identified a novel substrate of TRAF6 called hnRNPA1, an RNA binding protein.

Dogs can distinguish the scat of 18 different species, detect samples from great distances on land and sea, and search much faster and more thoroughly than humans.