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 meth
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 meth
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 meth
cell 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.