Sentences with phrase «on cell size»

«Pixelated plants shed light on cell size control.»

Not exact matches

Woven from conductive thread built on microscopic carbon nanotube sheets, this fiber could one day help power human - sized electronic wearables and high - performance solar cells.

• «I was an early RS consumer having spent paperboy delivery money on countless «free» baseball bat sized d - cell flashlights, the mystical p - boxes and subsequently, Band - Aids (early life lesson on how hot a solder iron can get...) to returning later as a college co-op student to the Fort Worth, TX headquarters.

But I think that to go on to create life without intervening (ie place the right chemicals within lipid bubbles to create cells) may require a ton of random chance, and could take a lab the size of the ocean, and about a half a billion years to work.

Thus, the rate of freezing for plant tissues is extremely important due to the effect of freezing rate on the size of ice crystals, cell hydration, and damage to cell walls (Rahman, 1999).

They're harmless, but do keep an eye on the size and quantity of these spots, since having six or more that are larger than a quarter may be a sign of neurofibromatosis (a genetic disorder that causes abnormal cell growth of the nerve tissue).

They stripped the knee joints of calves of all their cells with detergents and enzymes and then, based on digitized x-ray images from an anonymous patient, had machines carve them into cubic - centimeter - size human jaw joints.

The absorbance and scattering of light is determined by the size, shape and material of the nanomaterial and, more importantly, it is also affected by any medium in close proximity to the nanomushroom, such as cells that have been placed on the slide.

Scientists have long experimented with organs - on - chips: tiny representations of human organs, such as lungs, hearts and intestines, made from cells embedded on plastic about the size of a computer memory stick.

Using the new methods of micromachining, which borrow technology for making computer chips to carve out and build up microscopic structures on silicon wafers, Peter Gammel and his colleagues at Bell Labs / Lucent Technologies reduced three of the critical devices of a cell phone to Lilliputian size that will allow all the components of a phone to be constructed on a single chip.

The researchers succeeded in changing the DNA of the E coli bacteria in such a way that the substance CB [8](a small molecule of two nanometres in size with a namederived from the resemblance of this molecule with a pumpkin of the family of Cucurbitaceae) attaches to a protein on the cell membrane.

On the fly, neurosurgeons can use the pen - sized instrument on the brain to view the tumor cells with unique fluorescent characteristics that outline the tumor cellOn the fly, neurosurgeons can use the pen - sized instrument on the brain to view the tumor cells with unique fluorescent characteristics that outline the tumor cellon the brain to view the tumor cells with unique fluorescent characteristics that outline the tumor cells.

For a typical paper - recycling factory, one Emefcy fuel cell module, which is about the size of a cubic meter, could treat about three cubic meters per day of wastewater depending on the amount of organic material present, according to Cohen, and the modules can be scaled to meet the needs of larger or smaller plants.

But as doctoral student Joey Wilson and Patwari will report in an upcoming issue of Transactions on Mobile Computing, they were eventually able to create a prototype wireless network of pole - mounted, cell phone — sized transceivers that they tested outdoors and indoors.

Depending on which device they buy, researchers can photograph cells at anywhere from 20x to 60x magnification, and use the included software to sort them by purely visual characteristics such as shape and size, fluorescent markers, or both.

It was believed that neurons responded to the size of the image formed on the eye (retinal image); however, size constancy can not be achieved by such cells alone.

ICELL8 can isolate up to 1,800 single cells, ranging from 5 μm — 100 μm in size on a single chip, including cells from solid tumors, brain cells, pulmonary airway cells, and multiple cell lines.

«Compared to the size of the cells, these bumps on existing implants are so large that they're effectively a smooth cliff face compared to the dimensions required for the cell to interact with.

«Depending on the size of the cell, we estimate that between 13 percent and 40 percent of brain cells will be hit once by cosmic rays,» Vazquez explains.

To test his hypothesis, he and his colleagues carried out experiments on living mammalian cells, into which they injected tiny plastic beads ranging in size from 0.5 to 1.5 microns — a range that covers most major organelles.

«We tested the method on microalgae as an example of large cells, around 100 micrometers in size, and achieved 95.8 % purity, 90.8 % viability, and a 92.8 % success rate,» corresponding co-author Yusuke Kasai says.

«Whether it's bacteria swarming, cells roaming or energy - consuming «arrows» flying, these systems share universal characteristics independent of the precise size and structure of the agents as well as their detailed interactions,» said corresponding author Bowick, who is on leave from Syracuse University while in his role at KITP.

«Our next step is to find out more about how we can vary the size of the embryoid body by changing the printing and structural parameters, and how varying the embryoid body size leads to «manufacture» of different cell types» adds Rui Yao, another author on the paper.

To replicate the brain in miniature, Parker and his team started with an elastic substrate about the size of a fingernail, then added a layer of cells on top to mimic networks of blood vessels in the brain.

While transplantation of T cells alone had only little impact on tumor size in cancerous mice, the researchers achieved substantial regression of the cancer by transplanting both T cells and activated eosinophils.

Using a 3 1/4 - inch - square piece of skin from an aborted 14 - week - old fetus, researchers nurtured skin cells on a collagen matrix, creating sheets about the size of a 3 - by -5-inch index card.

«These junctions, micron - sized spots on cell membranes, are very complex molecular structures.

They found that the TLR3 inhibitor significantly tempered Zika virus» severe effects on brain cell health and organoid size, underscoring TLR3's role linking infection and brain damage.

In a related Comment published today in The Lancet, Jonathan Barasch, MD, PhD, professor of medicine and pathology and cell biology at CUMC, and colleagues Drs. Joseph Bonventre (Harvard Medical School, Brigham and Women's Hospital) and Richard Zager (University of Washington Medicine) explain that the blood test, which measures serum creatinine — a waste product that is removed by the kidneys and excreted in urine — only offers a snapshot of the kidney's function at a given moment, which can vary depending on individual factors such as body size and muscle mass.

Using a novel method — design - based stereology — which enabled researchers to estimate the volume of the liver and the total numbers and sizes of its cells in 3D, it was found that the liver of mice on a low protein diet had decreased by 65 %.

To coordinate their size and growth with current environmental conditions, cells rely on the mechanistic target of rapamycin complex 1 (mTORC1) pathway, which senses cellular stresses, growth factors, and the availability of nutrients, such as amino acids and glucose.

The simple process involves a special device that squeezes cells in a blood sample through tiny funnels, which drive the cancer cells and blood cells into separate streams based on differences in their size and softness.

Despite the remarkable ability of EFTF - expressing pluripotent cells to form eye - like structures on the tadpole flank, it was not possible to record ERGs because of the small size of the induced flank eyes (flank eye volume: 0.007 ± 0.003 mm3; control eye volume: 0.021 ± 0.002 mm3, at stage 41, N = 5).

The tendency of cells to adhere to one another and form large clusters is likely to fall under selection based on the size of resource patches in a given environment.

He says they're on the same size - scale as cells, so they can penetrate far down into the brain.

Using spatial correlation functions to quantify the differences between emergent cell lineage segregation patterns, we find that strong adhesion often, but not always, maximizes the size of clonal cell clusters on flat surfaces.

The well plates used in drug screening, for example, may contain as many as 1,536 tiny wells on a playing - card - size piece of glass or plastic, allowing researchers to conduct that many individual experiments by dosing each cell with a different compound.

Already, researchers at Vanderbilt University and the University of California, San Francisco, are collaborating on the construction of an implantable bio-artificial kidney that would contain microscopic filters and living kidney cells in a coffee - cup - size device that would work like a living dialysis machine inside the body — and provide most of the benefits of a kidney transplant.

The dime sized silicon chip TNT attachment to the affected area on the skin converts healthy skin cells into muscle cells; TNT transmission of genetic codes to the skin help heal the injury.

Departing from studies of organometallics, he began studying the role of size, composition and morphology on the electrochemical activity of complex alloy nanoparticles for fuel cell cathodes and developed new instrumental capabilities for his work.

The large Tuj1 - positive neurons (arrow) are Purkinje cells, based on their shape and size.

These processes included dust deposition, and ocean acidification and warming, which were shown to have a significant impact on oceanic phytoplankton growth, cell size and primary productivity, biological N2 fixation, phytoplankton distribution and community composition.

The large variability associated with the Timer mechanism is well known in the context of the cell cycle, and because of it, the Timer mechanism is not thought to be an appropriate way, on its own, to set stereotyped sizes (Amodeo & Skotheim, 2016).

However, elevated atmospheric CO2 concentrations and ocean acidification may also have an adverse impact on diatom growth, causing a decrease in cell size and possible further changes in phytoplankton composition.

Based on a number of studies, we postulate that to transmit nutritional information from the fat body to the insulin - producing cells, the fat - body — derived signal would need to have the following properties: (1) it should be produced in the fat body and secreted into the hemolymph, (2) its expression and / or secretion should be amino acid - and TOR - sensitive, (3) it should act downstream of TOR signaling to stimulate ILP secretion from the insulin - producing cells, and (4) its secretion should increase IIS activity in the entire body, resulting in increased body size.

By examining the results of genome - wide association studies (GWAS) in conjunction with experiments on mouse and human red blood cells (RBCs), researchers in the lab of Whitehead Institute Founding Member Harvey Lodish have identified the protein cyclin D3 as regulating the number of cell divisions RBC progenitors undergo, which ultimately affects the resulting size and quantity of RBCs.

The grand prize of USD 25,000 goes to Liron Bar - Peled for his work describing how multicellular organisms rely on environmental cues to dictate cell size.

Setae, hair - like structures produced by cells on the wing blade, were used to infer changes to cell size and number.

New Biophysical Approaches to Cell Biology At the «Organization, Quality Control and Remodeling» minisymposium, Marina Feric, a graduate student in Cliff Brangwynne's lab at Princeton University, presented her work on understanding how gravity limits cell sCell Biology At the «Organization, Quality Control and Remodeling» minisymposium, Marina Feric, a graduate student in Cliff Brangwynne's lab at Princeton University, presented her work on understanding how gravity limits cell scell size.

Here we show that confluent epithelial cells cultured on finite population - sized domains, exhibit collective low - frequency radial displacement modes as well as stochastic global rotation reversals.