Sentences with phrase «of cells under a microscope»

Yet the researchers, who have been engaged in tensile tests of cells for many years, experienced difficulties in controlling the hold position of cells under a microscope using a needle and a micropipette, and hypothesized that differences in the hold position yielded the experimental errors.
Cytology is an examination of the formation, structure, and function of cells under a microscope.
Looking at the size, shape, and behavior of cells under a microscope helps to tell whether a cancer is benign or malignant.

Not exact matches

I was sedated, but my wife, who was there, told me that when they viewed the cells under a microscope, the doctors started crying because it turned out to be a very rare form of pancreatic cancer that is curable with surgery.
Single - celled lining of the intestines under a microscope.
«As soon as the water comes out of the hole we're going to take it into the lab, filter out the cells, stain them and put them under a microscope
After photographing these cells under microscopes and mapping their connections, Hattar has identified five different types of ipRGCs.
«Even something as seemingly simple as red blood cells that don't have a nucleus evolved a structure and a function that is much more complicated than we can perceive by looking under the microscope,» says Jason Acker, associate director of development for Canadian Blood Services.
As each layer of skin is removed, it is examined under a microscope for the presence of cancer cells.
One of the most widely recognized biological structures in the cell, the tightly wound and elongated chromosome with its classic X-shaped structure can be easily discerned under a microscope and has been a common image in text books and popular scientific literature for decades.
Using fluorescent labels, they were able to track the fates of marked and unmarked chromosomes under the microscope, from egg cells and sperm to the dividing cells of embryos after fertilization.
What's more, these mice's brains looked inflamed under the microscope, full of immune cells called microglia that were still revved up 30 and 60 days after infection.
Researchers also studied the brain tissue of the infected mice under a microscope and found that the memory problems tracked with changes in nerve cells.
«By the 30th day of culture, there were obvious clumps of fluorescent cells visible under the microscope,» says lead author Valentin Sluch, Ph.D., a former Johns Hopkins biochemistry, cellular and molecular biology student and now a postdoctoral scholar working at Novartis, a pharmaceutical company.
The Language of Cells: Life as Seen Under the Microscope, Spencer Nadler (Random House) Nadler ventures out of his pathology lab to meet patients and ruminates on the interplay between flawed biology and radiant humanity.
Tests rely on either expensive equipment for computer - assisted analysis or, in hospitals that can not afford thousands of dollars» worth of machinery, a technician who analyzes sperm cells under a microscope, a process Shafiee says can be subject to human error.
Under the microscope the chromosomes of the Werner cells showed more signs of damage than did the healthy counterparts.
Under a light microscope, Schweitzer saw groups of red circular structures that looked for all the world like red blood cells.
From this collaboration the teams developed the LOCO - EFA technique which involves decomposing two - dimensional cell shapes — the shapes you can see under a microscope — into a series of ellipses.
Under a microscope, a cell's cytoplasm can resemble a tiny underwater version of New York's Times Square: Thousands of proteins swarm through a cytoplasm's watery environment, coming together and breaking apart like a cytoskeletal flash mob.
Professor Zhang's team were able to visualize the pinning, stretching and rupturing of cervical cancer cells by immunostaining different parts of the cells and viewing them under a confocal fluorescent microscope and a high - resolution scanning electron microscope (SEM).
Staining minute samples of sediment with a fluorescent dye that binds to DNA, he found he could count cells under his microscope, just as Boetius would do with her Hydrate Ridge samples many years later.
«We are currently developing tools in the lab to study the cell cycle and cellular morphology of Sulfolobus at the single - cell level under the microscope.
Examining spinal cord cells under a microscope, the scientists noticed that the axons of mice missing the OPTN gene were swollen, inflamed and far fewer in number, compared with spinal cord cells obtained from mice with the OPTN gene.
A cancer cell under the microscope: The STED image (left) has a background of low resolution.
Specifically, the researchers examined hematopoietic stem cells that were filmed under the microscope in the lab of Timm Schroeder at ETH Zurich.
And because the worm is transparent and the adult has only 959 cells, development of every stage from egg to adult can be observed under the microscope and documented with near perfect detail while the worm is alive, an achievement accomplished in the 1970s by Sidney Brenner, a University of Cambridge researcher and legend in the field.
Working under a microscope with tweezers, steady hands, and held breath, Theall fashions copper wire only twice the diameter of a red blood cell into electrodes that he will insert into the cockroach's brain.
«This allowed us to examine the interactions of the florescent integrase under the light microscope both in vitro in a single HIV virion as well as in a human cell infected with it.»
The cells under their microscopes, hit with only one five - thousandth of the energy used in traditional fluorescence microscopy, kept on dividing.
Working with the brains of six normal children and seven autistic children ages 2 to 16, most of whom died of drowning, Courchesne has studied neurons under the microscope and even counted the number of neural cells in different tissue samples.
Studying acute promyelocytic leukemia cells under a microscope, the researchers noticed that they become abnormally large in the presence of arsenic.
Martin Coath of the Cognition Institute at Plymouth University, UK agrees: «Anything that might reasonably be called a real brain is going to have to pass more tests than simply being made of brain cells and looking a bit like a brain under a microscope
Under the microscope the high point of the cycle is undoubtedly division itself, especially the stately dance of the chromosomes which ensures that each new cell is born with -LSB-...]
It thus finally became possible for the scientists to observe and measure the activity of the tufted cells under the microscope.
When they examined the organ of Corti under the microscope, they saw that small numbers of hair cells had regenerated on their own.
The team grew a weakened strain of dengue in vats of cultured mosquito cells, froze the samples, and examined the virus particles under an electron microscope.
What the microglia do between crises has been unclear, largely because getting the cells under a microscope has required excising a chunk of brain tissue — thereby causing damage that sends the cells into emergency response mode.
Paramecium bursaria appears green under a microscope because each cell hosts hundreds of chlorella algae that supply the paramecium with sugar and oxygen in exchange for nitrogen and phosphorus.
At present, fertility experts examine embryos under a microscope, looking at potential indicators of health of the embryo such as the number and symmetry of cells, and degrees of cell fragmentation.
Nowell was a pathologist at the University of Pennsylvania, studying leukemia cells under the microscope when he noticed cells in the act of dividing.
A subset of dendritic cells (DCs) that was named «plasmacytoid» because their appearance under the microscope is similar to that of plasmablasts.
After removal of the inserts, lateral migration of cells was visualized under the microscope.
The appearances under phase - contrast microscope of human satellite cell cultures during proliferation and differentiation are shown in Figs. 1a and b. Cell cultures were allowed to differentiate for 4 days before cell cultures were exposed to the different insulin concentrations for 4 days as described in research design and methcell cultures during proliferation and differentiation are shown in Figs. 1a and b. Cell cultures were allowed to differentiate for 4 days before cell cultures were exposed to the different insulin concentrations for 4 days as described in research design and methCell cultures were allowed to differentiate for 4 days before cell cultures were exposed to the different insulin concentrations for 4 days as described in research design and methcell cultures were exposed to the different insulin concentrations for 4 days as described in research design and methods.
Immediately after the cells were seeded, each well was checked under the microscope to verify the sparseness of each spherical culture, and only wells containing single - cell suspension with no cell cluster were chosen for tumor - sphere counting after 9 days.
Knowing that autophagy in animal cells was stimulated by starvation, he grew some of his mutant yeast in growth medium that was nutritionally deficient, and he then examined the cells under a simple light microscope.
3/24/2008 Non-Invasive Imaging Provides Window Into Genetic Properties of Brain Tumors Doctors diagnose and prescribe treatment for brain tumors by studying, under a microscope, tumor tissue and cell samples obtained through invasive biopsy or surgery.
In lots of these illnesses, when we look at brain cells under a microscope we see that clumps of protein form.
The name «small cell» refers to the appearance of these lung cancer cells under a microscope.
Inverted microscopes represent the perfect solution for cell culture in which a variety of cells are grown under controlled conditions.
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