Sentences with phrase «in microscopic studies»

Not exact matches

Researchers at the Mississippi - Alabama Sea Grant Consortium have taken part in a two - year study, and found that microscopic plastics are now increasingly common in the area where their study took place on the Gulf Coast.

In a related study, rats were fed large amounts of Tabasco ® Sauce and suffered «no gross or microscopic pathological changes or any significan biochemical changes in the animals.&raquIn a related study, rats were fed large amounts of Tabasco ® Sauce and suffered «no gross or microscopic pathological changes or any significan biochemical changes in the animals.&raquin the animals.»

The study also discovered that microscopic spasms in capillaries occur, albeit with lower frequency, during normal brain function, too, suggesting that one problem caused by epilepsy is that seizures drive these vasospasms to abnormal levels.

In this Perspective, Wolf and Ertl discuss results by Kliewer et al. (page 1399) and Petek et al. (page 1402), which illustrate the fundamental insights into the microscopic characteristics of electron dynamics at surfaces that can be obtained by state - of - the - art high spatial and temporal resolution studies.

A study by Isabel Schmidt, for instance, an ecologist at the University of Brasília, examined what time of year different species release their nearly microscopic seeds in order to identify which species are most impacted by harvesting.

Specifically, after the analysis involving microscopic techniques and virtual models developed by the UA researcher, carious lesions caused by carbohydrates, present in plants, were found in the dental remains discovered at the La Brea Tar Pits site in Los Angeles, California, described by Alejandro Romero as «one of the most paradigmatic sites to study fossil mammals from the Pleistocene in North America.»

An improvement in microscopic dye analysis is allowing scholars to study the origins and histories of ancient, colorful art

His research career has ranged widely, from the macroscopic study of alloys to the microscopic study of thin films such as those used in silicon chips.

But Jacob Taylor, a physicist at the National Institute of Standards and Technology in Gaithersburg, Maryland, says it provides experimental data for «a quiet revolution» in statistical physics, the study of how heat flows both in microscopic systems and on the scale of everyday life.

Health: Combined Optical and Magnetic Resonance Microscope - «Studying cells in real time» Dr. Robert Wind, Scientist at Pacific Northwest National Laboratory in Richland, WA helped develop a combined microscope that can study live cells at the same time with two completely different microscopic techniques.

From the in vitro reconstituted Rad3 - Rad26 complex, small - angle X-ray scattering and electron microscopic studies, it is possible to model the quaternary structure and thus bring us closer to a mechanistic understanding Rad3 - Rad26 DNA repair apparatus.

Today is the birthday of Victor Hensen, a German physiologist born in 1835, who made his mark studying a teeming array of itinerant microscopic marine organisms.

Finally, microscopic studies at ALS beamline 12.3.2 identified the other minerals in the Roman samples.

The study focused on three of the most common microscopic algae in the Chesapeake Bay that can produce toxic or nuisance conditions when they become very abundant.

In particular, the bioluminescence produced by a little - studied microscopic crustacean, the ostracod.

Attendees at the astrobiology meeting in Arizona showcased an assortment of high - tech devices for next - generation exploration, ranging from microfluidic «life analyzers» and integrated nucleic acid extractors for studying «Martian metagenomics» to exquisitely sensitive, miniaturized organic chemistry labs for spotting tantalizing carbon compounds and minerals at microscopic scales.

Their research, which also shows how chemical reactions can be studied on a microscopic scale using tools of physics, is reported in the journal Science.

Jun - Yuan Chen of the Nanjing Institute of Geology and Paleontology and his colleagues collected and studied samples of Vernanimalcula guizhouena, a microscopic animal that probably moved along the seafloor sucking in bacteria for food.

In a new study, biomedical engineers found that by attaching microscopic beads to receptors on the cell's surface, they can produce the technique's cell - stretching, calcium - releasing effects much more safely.

ACE - M - 1 testing will take advantage of the microgravity environment of station to study how microscopic particles spread out and clump together in gels and creams.

Wang and his colleagues are studying the microscopic origins of charge transfer in MX2 heterostructures and the variation in charge transfer rates between different MX2 materials.

The scientists also studied how environmental factors — such as temperature, water pH, and nutrients — influence the microscopic organisms floating in the ocean.

One beneficiary of this young researcher exchange program was Matthew Julius, who studies the evolution of diatoms, a group of microscopic algae, now at St. Cloud State University in Minnesota.

The study of microscopic anatomy (or histology) can be aided by practical experience examining histological preparations (or slides) under a microscope; and in addition, medical students generally also learn gross anatomy with practical experience of dissection and inspection of cadavers (dead human bodies).

«It combines knowledge from the field of microfluidics, which uses fluids at a microscopic scale to miniaturize biological experiments, with the cellular, biological and molecular studies we conduct in laboratories.»

In such a makeshift cosmos, the fine details of the microscopic world and the farthest stars might only be filled in by the programmers on the rare occasions that people study them with scientific equipmenIn such a makeshift cosmos, the fine details of the microscopic world and the farthest stars might only be filled in by the programmers on the rare occasions that people study them with scientific equipmenin by the programmers on the rare occasions that people study them with scientific equipment.

By joining forces with Professor Wim Versées at the VIB research center for structural biology, the scientists were able to figure out the three - dimensional structure of Skywalker, making it possible to study the protein in microscopic detail.

This week, in a presentation at the annual meeting of the Society for Neuroscience and in a paper in Brain Structure and Function, scientists present the first microscopic study of neurons in the cerebral cortex of the African elephant.

That's exactly what a group of chemical engineers and biochemists attempted in a new study, embedding single - walled carbon nanotubes — microscopic tubes thinner than a human hair that can also absorb sunlight and convert it to electron flow — in living chloroplasts.

«In this study, we were able to observe the existence of microscopic disease and low numbers of bacteria, which would be difficult to «see» in humans but could possibly be the cause of the variable and nonspecific symptoms that are characteristic of post-treatment Lyme disease syndromIn this study, we were able to observe the existence of microscopic disease and low numbers of bacteria, which would be difficult to «see» in humans but could possibly be the cause of the variable and nonspecific symptoms that are characteristic of post-treatment Lyme disease syndromin humans but could possibly be the cause of the variable and nonspecific symptoms that are characteristic of post-treatment Lyme disease syndrome.

The early studies helped Duffy determine that the microscopic aquatic parasite she first observed as a graduate student, and which her research team had recently collected in more than a dozen southeast Michigan lakes, is the same fungus - like organism that a French biologist first described in 1903.

«Scientists sequence genomes of microscopic worms beneficial to agriculture: Study identifies gene families in five nematodes that are likely to be involved in parasitism.»

Help University of Oklahoma scientists study microscopic life in search of new drug compounds

Opposing theories — one drawing mostly on experimental evidence, the other on results of modeling studies — have been proposed to explain shear thickening in suspensions of microscopic particles, also called colloids.

Lars Berglund, a professor at Wallenberg Wood Science Center at KTH, says that while optically transparent wood has been developed for microscopic samples in the study of wood anatomy, the KTH project introduces a way to use the material on a large scale.

«Cellular structures have been visualized in many microscopic studies.

Discerning the structure of microscopic biological agents like viruses allows them to be studied and understood in ways not possible by other means.

By studying the microscopic structure of the eggs, Dr. Varricchio and I were able to determine that the animal buried its eggs in a vegetation mound or nested in a humid environment - more like some reptiles than most open - nesting modern birds.

Ornung G, Shupliakov O, Lindå H, Ottersen OP, Storm - Mathisen J, Ulfhake B, Cullheim S (1996) Qualitative and quantitative analysis of glycine - and GABA - immunoreactive nerve terminals on motoneuron cell bodies in the cat spinal cord: a postembedding electron microscopic study J Comp Neurol, 365 (3), 413 - 26 PubMed 8822179

Ottersen OP, Storm - Mathisen J, Somogyi P (1988) Colocalization of glycine - like and GABA - like immunoreactivities in Golgi cell terminals in the rat cerebellum: a postembedding light and electron microscopic study Brain Res, 450 (1 - 2), 342 - 53 PubMed 2456823

Previous studies of this type relied on microscopic examination of tissue samples from sacrificed animals, but this new approach allows researchers to watch the life or death of cells in real time.

«This accurate local structure is the important piece in relating the microscopic to macroscopic, or intrinsic properties of the ions in solution to collective properties,» said Mundy, who led the studies at PNNL.

Dr. Ithai Rabinowitch, a neurobiologist in Dr. Jihong Bai's laboratory, wants to know how the nerves that sense touch convey information in Caenorhabditis elegans, the microscopic roundworm he studies.

The cylindrical chamber has grips that serve like a vice to exert pressure on meteorite samples, and X-ray imaging can study how this compression, in combination with heat and pressure, affects their microscopic structure.

The underlying method was developed in 1902 by Richard Zsigmondy and Henry Siedentopf to enhance the microscopic resolution for studying colloidal gold (1).

«I hope to study the relationship between microscopic abnormalities and the symptoms they produce in Huntington's disease,» said Ms. Bibel.

Microscopic view of a colony of undifferentiated human embryonic stem cells being studied in developmental biologist James Thomson's research lab at the University of Wisconsin - Madison.

We feel the state of the molecule instead of seeing it and the atomic ion is our microscopic finger that allows us to do that,» the study's senior author Dietrich Leibfried, also from NIST, said in the statement.

In the study, the researchers describe the microscopic physical interactions and chemical changes of proteins associated with several cellular functions, including disease forms, and how still - healthy cells could try to temper it.

Louis's Robert Ricklefs first studied this relationship in the early 1990s, using data from microscopic examination of avian blood samples for the presence of parasites, primarily those that cause malaria.