Sentences with phrase «living brain tissue»

Zhang's team devised the plasmids now available in Addgene's repository for use in neurons, both in culture and in living brain tissue.

Another Kavli researcher, Steven Siegelbaum, uses a technology called two - photon microscopy to image pre-synaptic terminals (the nerve cell tips that send charges from one cell to another) within slices of living brain tissue.

Using a microscopy technique that offers a window into living brain tissue, he will probe dopamine's actions in different groups of neurons, such as those that signal directly to blood vessels that supply the brain.

Justin Williams's skill at encasing living brain tissue in polymer and «poking it with a sharp object» (25 June, p...

The visceral exploration of living brain tissue is, in many cases, still the best way to unravel cognitive functions as diverse as language, memory, vision, and movement.

Would you believe microprocessors with living brain tissue?

Because the computer model uses an overwhelming amount of physical, chemical and biological data, the supercomputer simulation allows scientists to analyze brain waves at a level of detail simply unattainable with traditional monitoring of live brain tissue.

Not exact matches

Dr. McMurdo says that Joe's brain is so injured that his chance of living would be increased if the tissues were removed.

In the same way, a fetus that has not yet developed a brain is not yet «brain - alive» and has not yet achieved consciousness or thought — and therefore is not morally and qualitatively distinct from other living tissues.

If we could but restore or bring about the normal functioning of brain cells and nerve tissues, as well as their own subsidiary chemical activity in such cases, then mental life would come flooding back in fullness and richness.

«Because of the long half - life of these compounds and some of their metabolites, nursing infants may have measurable amounts in their plasma and tissues, such as the brain,» according to the Committee on Drugs.

For example, the half - life (time to reduce drug blood levels by half) for the local anesthetic bupivacaine (Marcaine) is 8.1 hours in the newborn, compared to 2.7 hours in the mother.82 Also, drug blood levels may not accurately reflect the baby's toxic load because drugs may be taken up from the blood and stored in newborn tissues such as brain and liver, 83 from where they are more slowly released.84

By 40 weeks, a baby's lungs are matured, the kidney and other vital organs are doing their thing, the brain has grown enough soft tissue that will set it up for the rest of life, and the neurological instincts that tell the baby to suck and swallow are kicked into gear.

We already know about Mom's «baby brain» and this is quite literal as fetal tissue has been found in Moms» brains, and can even be detected in autopsies at the end of life.

They pulled her scalp and most of her face down, and scraped dermoid tissue from the bone between her beautiful eyes, reaching into the suture line to ensure my baby does not have to deal with the invasion of foreign tissue into her brain later in her life.

The only way to test an animal for rabies is on their brain tissue, which can not be done in a live animal.

Because PIB selectively binds to brain amyloid deposits but quickly clears from normal tissue, the chemical dye accurately indicates the amount of protein that is deposited in the living brain.

Fraser also predicts robotics and lab - grown tissue will converge to create animal cyborgs with machine brains and living flesh, allowing visitors to interact with more species at petting zoos.

The study found mutations in 607 genes in brain tissue from patients who died from SUDEP that were not seen in the tissue from the living people.

Focusing on the neural pathway from the brain's prefrontal cortex to the amygdala, they combined optogenetics — a technique that uses light to control the activity of neurons in living tissue — with behavioral testing, a methodology that allows researchers to study functional connections between different regions of the brain.

To identify genetic risk factors for SUDEP, the authors analyzed brain tissue that had been removed during epilepsy surgery from 8 people who later experienced SUDEP and from seven living people with similar histories.

Four weeks after the team switched on the enzyme, they found that tissue had regenerated in several organs, new brain cells were developing and the mice were living longer.

To overcome these problems, Min and his team developed a new modality to visualize glucose uptake activity inside single cells based on stimulated Raman scattering (SRS) imaging, and demonstrated its use in live cancer cells, tumor xenograft tissues, primary neurons and mouse brain tissues.

From that experience, Deisseroth determined that he would spend his life solving a core puzzle of psychiatric disease: A brain could appear undamaged, with no dead tissue or anatomical deformities, yet something could be so wrong it destroyed patients» lives.

The technique works in sectioned brain tissue, and also in the brains of live mice with transparent windows implanted into their skulls.

These show that, like all living birds, they had an extremely dense area of brain tissue known as the wulst.

That oddly textured pebble, scientists report at the Society for Vertebrate Paleontology meeting, is actually an endocast — an impression preserved in the rock — that represents the first known evidence of fossilized brain tissue of a dinosaur (likely a close relative of Iguanodon, a large, herbivorous type of dinosaur that lived about 133 million years ago).

The team hopes to apply this method to the nerve cells, bone marrow, and brain tissue of living animals and humans.

Using a powerful imaging technique that allowed the scientists to track the presence and movement of parasites in living tissues, the researchers found that Toxoplasma infects the brain's endothelial cells, which line blood vessels, reproduces inside of them, and then moves on to invade the central nervous system.

Using living mice, Sebastian Jessberger, a neuroscientist at the University of Zurich, and colleagues removed the outer layers of brain tissue that obscure the hippocampus.

High - stakes lawsuits, including ones filed by former players against the NFL, have added to the pressure to come up with methods for diagnosing and tracking the disorder in living people, but such efforts have just crossed the starting line, researchers said last week at a traumatic brain injury conference in Washington, D.C. Only in the past month or so have they arrived at a consensus about what CTE looks like in postmortem brain tissue, findings presented this week in Washington, D.C., at the American Academy of Neurology meeting.

Historically, animal models — from fruit flies to mice — have been the go - to technique to study the biological consequences of aging, especially in tissues that can't be easily sampled from living humans, like the brain.

Until recently, the only ways to test that hypothesis were to measure tau in brain tissue after a person died, or in a sample of cerebrospinal fluid (CSF) extracted from a living person by needle.

The team found that people have large numbers of neural stem cells and progenitors early in life — an average of 1618 young neurons per square millimeter of brain tissue at birth.

The study of human astrocytes has faced issues related to access (samples of living tissue must be obtained from brain cancer or epilepsy surgeries or fetal tissue) and purification (breaking apart astrocytes away from other cells often killed them and many experiments ended in failure).

The key technologies that enabled this finding included a molecular sensor that the group developed to track activity of TrkB, and microscopes that allowed them to visualize a single spine in the area of living mouse brain tissue, all in real time.

«We're not the biggest brain bank in the world, but we have the highest - quality tissue,» says pathologist Thomas Beach, the program director, who notes that donors must live within a 50 - mile radius of the morgue.

Along with the studies in live animals, the research team also studied human brain tissue from Northwestern's Cognitive Neurology and Alzheimer's Disease Center.

Pinton's team found that impacts resulted in shear waves that sometimes bunched up and intensified deep within the brain tissue to form short - lived shock waves.

After they injected a small amount of minced brain tissue into the brains of gerbils, however — which are very prone to BDV infection — the virus started multiplying, and they could isolate and culture live virus from the animals» brains.

That's because most studies on single human brain cells use dead rather than living tissue, and many others rely on cells from common laboratory animals, especially mice.

Joanna Fowler has made significant contributions to brain research and the understanding of diseases such as addiction, which she studies using positron emission tomography (PET), an imaging technique that measures the concentration and movement of a positron - emitting radioisotope in living tissue.

New studies in mice have shown that immature stem cells that proliferate to form brain tissues can function for at least a year — most of the life span of a mouse — and give rise to multiple types of...

Some amphibians — such as salamanders — are famous for their superhero - like ability to regenerate heart, brain, spinal cord, tail and even whole limb tissue throughout their life.

Usually, because of the inaccessibility of brain tissue in living humans, epigenetic studies are carried out using blood samples.

Harnessing the powerful healing properties of adult stem cells found in your own fat tissue, Okyanos Cell Therapy offers new hope for this neurodegenerative condition by enabling brain and nerve cell repair for the chance at an improved quality of life.

The evolution of vision in vertebrates is an important theme in the history of animal life, however, aside from the calcified lenses of fossilised arthropods, other parts of the visual system are not usually preserved in the fossil record because the soft tissue of the eye and brain decays rapidly days after death.

By using a combination of genetics, fix and live imaging, cell biology and molecular biology techniques we are exploring the consequences of polyploidy in the brain and epithelial tissues of Drosophila.

Neurons are a type of cell, and the majority of those cells live in the semi-solid, three - pound lump of tissue between your ears and behind your eyes - your brain.

Each of Emulate's proprietary Organ - Chips — such as the lung, liver, brain, intestine or kidney — contains tiny hollow channels lined with tens of thousands of living human cells and tissues, and is approximately the size of an AA battery.