Sentences with phrase «using laboratory techniques»

Ten exoskeleton specimens were studied, and experimental analyses were performed using laboratory techniques including scanning electron microscopy and electron diffraction spectroscopy, revealing details about the structure and chemical composition.

Researchers used a laboratory technique called 16s rRNA sequencing to compare the bacterial communities of the conjunctiva (the eye surface) and the skin under the eye from 58 adults.

In collaboration with researchers in the laboratory of Zemer Gitai, an associate professor of molecular biology at Princeton, the team used a laboratory technique referred to as bacterial cytological profiling to investigate the mode of action of TDA.

To evaluate the panda gut microbiota, Pang and colleagues used a laboratory technique called 16S rRNA sequencing.

Using a laboratory technique called real - time reverse transcription - PCR to examine the virus's genetic blueprint, they found avian influenza virus (AIV) genetic material in eight samples - six adult penguins and two chicks.

Using a laboratory technique called chromatography, they found three new compounds, one already - known compound that was identified for the first time in plants and 20 already - known compounds that were found for the first time in hops.

Not exact matches

Using traditional anthropological and medical research techniques, the laboratory cuts through myths and controversies to provide scholars, parents, and the news media with accurate scientific information on a variety of sleeping arrangements, including safe co-sleeping practices.

Extensive research using improved epidemiologic methods and modern laboratory techniques documents diverse and compelling advantages for infants, mothers, families, and society from breastfeeding and use of human milk for infant feeding.1 These advantages include health, nutritional, immunologic, developmental, psychologic, social, economic, and environmental benefits.

The new technique compensates for the difference by using artificial intelligence to reproduce the level of resolution and color details needed for a laboratory analysis.

The virus, redesigned using sophisticated protein engineering techniques, works: With its shield and its adapter, these viral gene shuttles efficiently infected tumor cells in laboratory animals.

«Our recent work involves using field and laboratory techniques to probe natural avalanching and sorting on large desert dunes in Qatar.»

She then did a joint Ph.D., at La Sapienza University and the European Laboratory for Non-Linear Spectroscopy (LENS) in Florence, using optical techniques to investigate quantum effects in semiconductor nanostructures.

Using advanced laboratory techniques, the scientists tracked changes in peanut - specific T cells in five participants during the first 18 months of peanut immunotherapy.

Using a biomolecular technique developed at York's BioArCh laboratory, the research team studied bone / antler objects and fragments of manufacturing waste from the archaeological remains of Ribe's old marketplace.

The Singapore team used leading edge DNA sequencing tools, some of which were developed in - house, including specialised laboratory techniques and computational methods developed at Duke - NUS and GIS to characterise genetic alterations associated with the spread of colorectal cancer to the liver.

Experienced investigators support the use of PM techniques in the laboratory far more than younger scientists — postdocs and new faculty — who often express intense skepticism.

«These factors increase the likelihood of adoption of the technique in developing countries where cost, complexity and lack of expertly trained technicians can often prohibit the use of a polarized microscopy technique or even traditional laboratory microscopy as the standard of diagnosis,» Coté says.

Using a labor - intensive cell culturing technique for hunting retroviruses that he had pioneered in the 1970s, Ruscetti had transmitted the pathogen from patients» T - cells to uninfected T - cells in the laboratory.

«Of course we learned quite a bit from that technique, but at the same time they were also using completely [artificial conditions],» recalls Mina Bissell, a distinguished scientist in the Biological Systems and Engineering Division at Lawrence Berkeley National Laboratory in Berkeley, California.

«We covered all the scientific principles behind DNA profiling, including the specialist laboratory techniques and software used, as well as learning about the history and legal status of the process,» recalls Phil.

The method combines two high - tech laboratory techniques and allows the researchers to precisely poke holes on the surface of a single cell with a high - powered «femtosecond» laser and then gently tug a piece of DNA through it using «optical tweezers,» which draw on the electromagnetic field of another laser.

To determine the effect of these changes, Henrik Sperber, a graduate student in the Ruohola - Baker laboratory, used a technique called mass spectroscopy to compare levels within cells of the metabolites.

Led by the University of Surrey, a team of researchers from the Netherlands Forensic Institute (NL), the National Physical Laboratory (UK), King's College London (UK) and Sheffield Hallam University (UK), used different types of an analytical chemistry technique known as mass spectrometry to analyse the fingerprints of patients attending drug treatment services.

«If there is more mass, fewer muons get to that detector,» says Christopher Morris at Los Alamos National Laboratory, who uses similar techniques to image the internal structure of nuclear reactors.

Michael Metzker, at the time a graduate student in the laboratory of Richard Gibbs at Baylor College of Medicine in Houston, compared the gene sequences of the strains to see how closely related they were, using a technique called phylogenetic analysis.

In the new paper, Kajimura's team collaborated with the laboratory of Yasushi Ishihama, PhD, of the University of Kyoto, Japan, to search for differences in how white and brown fat cells respond to the cold using a technique called phosphoproteomics.

An international team led by researchers from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) used advanced techniques in electron microscopy to show how the ratio of materials that make up a lithium - ion battery electrode affects its structure at the atomic level, and how the surface is very different from the rest of the material.

Furthermore, the team devised a technique to control the number of neurons labeled — labeling too many neurons makes it impossible to distinguish individual ones — that allows researchers to visualize individual neuron shapes and trace their connecting fibers through intact tissues using another technology the Gradinaru laboratory has helped develop, known as tissue clearing.

When the researchers used gene engineering techniques to knock out DDX3 expression in laboratory - grown cell cultures that highly expressed this protein, cell proliferation was half that of cell cultures with high DDX3 expression.

The final section addresses specific techniques used in biomedical laboratories.

She quoted Edward Holmes, a leading scientist at the HIV - sequencing laboratory at the University of Edinburgh, as saying that using viral genetic data for forensic science is much more complex than other techniques, such as DNA fingerprinting.

They have screened combinations of antibodies that bind to specific proteins on the surface of the immature and mature stem cells and that can be used for flow cytometry, a common laboratory technique for sorting cells.

For the past two decades, Lerner and his TSRI laboratory have helped pioneer techniques for discovering antibodies that can be used as therapies or scientific tools.

The TSRI laboratories of Professor Erica Ollmann Saphire and Assistant Professor Andrew Ward are studying the structures of these antibodies using techniques called electron microscopy, which creates high - resolution images by hitting samples with electrons, and X-ray crystallography, which determines the atomic structure of crystalline arrays of proteins.

Using the new technique on laboratory - sourced fingerprints, Professor Hillman and colleagues have already demonstrated an improved ability to make positive identifications due to better sample resolution.

For example, it could be used to image neurons in living mice by combining the Raman scattering technique with existing methods in which tiny windows are implanted in the brains and spinal cords of laboratory animals.

A recent study at the Department of Energy's SLAC National Accelerator Laboratory successfully used this technique at an X-ray free - electron laser for the first time with the element selenium as a marker.

Another technique, time microscopy, also exists, and was used by the laboratory Physique des lasers, atomes et molécules (CNRS / Université de Lille) to study instabilities similar to those observed in turbulent fluids.

The breakthrough was possible because the research team used conditional reprogramming (CR), a laboratory technique, developed and described by Liu, Richard Schlegel, MD, PhD, director of the CCR, and their colleagues at Georgetown in 2011, that makes it possible to continuously grow cells in a laboratory indefinitely.

By tweaking the locations and identities of motor neurons, and then watching the resulting patterns of activation using their new fluorescent technique, Chris Hinckley in the Pfaff laboratory found that the CPG didn't rely solely on the cells» locations to connect to them.

The new technique has «very little noise,» says immunologist Jake Estes of the Frederick National Laboratory of the National Cancer Institute (a sister of NIAID) in Frederick, Maryland, who used it to produce highly detailed images of the AIDS virus in various monkey tissues (above) that he presented at the conference.

He was scouring the scientific literature when he hit upon an article describing high - throughput screening, a new technique that used robots to test the therapeutic properties of thousands of chemical compounds a day in cells in laboratory dishes.

Now the team, which is based at Lawrence Berkeley National Laboratory (LBNL) in California, hopes to use similar techniques to study all kinds of extreme events — including ones not yet identified.

After the rats» offspring reached adulthood, the researchers used standard laboratory techniques to monitor their levels of blood glucose and insulin and two other important hormones, glucagon and leptin.

The standard laboratory instruments all posed their own problems, and the need to manoeuvre a wheelchair using handgrips had a drastic effect on sterile technique!

However, the genetic techniques used to block Hhat in the laboratory are not possible with animal models or humans.

Nan Yang, PhD, a postdoctoral scholar in the Wernig laboratory and lead author of the study, pointed out that there is another advantage to using this technique.

«Our results using advanced, modern laboratory techniques called next - generation sequencing, allowed us to acquire a library of new knowledge about patients with ALS,» says the study's senior author, Leonard Petrucelli, Ph.D., chair of the Department of Neuroscience on Mayo Clinic's Florida campus.

However, once at my training site, I became fascinated by some techniques being used in the laboratory which were new to me.

Using techniques including uranium - thorium dating in UQ's Radiogenic Isotope Laboratory researchers were able to determine when the corals had died with a precision of up to one to two years.