Sentences with phrase «under a microscope using»

When the researchers observed the sterile and dying female worms under a microscope using a fluorescent stain to visualize sperm in live worms, they discovered that the foreign sperm had broken through the sphincter of the worm's uterus and invaded the ovaries.
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.
Putting the Llewelyn Bowens under the microscope Using aspects of the eHarmony Compatibility Matching System, which is a huge part of how we match our members based on key dimensions of their personalities, Dr Gonzaga was able to pinpoint what makes the Llewelyn Bowens work.
Another method for identifying ringworm is to pluck and examine hairs on the periphery of the lesion under the microscope using a preparation of KOH (potassium hydroxide solution) to make them more visible.
Demodex mites are readily visualized under the microscope using the 4 × objective lens; however, the 10 × lens is recommended to enhance ease of detection of both mites and eggs.
In addition, your veterinarian can obtain a diagnosis of ear mites by obtaining a sample from your kitten's ears and looking under a microscope using mineral oil as a base.

Not exact matches

Some six decades ago, it had been used in the study of human chromosomes: The chemical, which could stop mitosis in its tracks, made it easier to spy the dividing chromosomal strands in metaphase, where they could be clearly viewed under a light microscope.
Regardless of what happens next week, bitcoin futures are under the microscope, as the CFTC recently announced that it will revisit the self - certification process, which was used by the CBOE and CME Group among others to list bitcoin derivatives.
The notion of AP classes and scores as all - important to college admissions also came under the microscope; the study found that while the majority of colleges use AP exams as a factor in admissions, the way the scores are used varies widely among institutions.
The doctor may be able to get preliminary results by using a urine dipstick or by examining the urine under a microscope in the office.
Now the East Side organization finds itself under the microscope of state and federal investigators, who two weeks ago took documents from the organization's headquarters using a warrant.
With his days as an FBI informant under the microscope again, the Rev. Al Sharpton insists he never used cocaine.
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.
They identified a total of 164 barnacle larvae under a dissection microscope, extracted DNA from the larvae, and used standard techniques to sequence mitochondrial COI genes, often called a barcode sequence.
Examining thin sections of the teeth under a microscope and using technology at the McMaster - based Canadian Centre for Electron Microscopy, the researchers were able to show that anomalies formed in the dentin layers during years when victims failed to get enough Vitamin D to fully mineralize the structures that form dentin and bone.
The three new Nobelists overcame that limit using fluorescence, getting the objects under the microscope to emit light themselves to reveal their details.
After cutting a thin section from one of the carbon globules of the meteorite, they used a jet of argon ions to erode the slice until it was just 50 nanometres thick — a process known as ion milling — and examined it under an electron microscope.
The cells under their microscopes, hit with only one five - thousandth of the energy used in traditional fluorescence microscopy, kept on dividing.
When the researchers looked at the spinal cords under a microscope they found that the drug induced sprouting of axons that use the neurochemical serotonin to communicate.
For parasites, they would either look under a microscope or, for three of the parasites, use commercial enzyme immunoassays.
Under the microscope, it is possible to identify invasion of the tumor into the lymph and blood vessels, this being the tumor behaviour responsible for the formation of metastases, so that it can be used as a prognostic factor.
For clues into how Myrmoteras executes its power - amplified strike, scientists examined the ants first under a microscope, then using micro computed tomography (micro-CT), a three - dimensional imaging system that uses X-rays to visualize the internal structures of small specimens.
Previously such studies could only be achieved by X-ray crystallography, but using the electron microscope will allow us to tackle protein complexes which no one has been able to crystallise, and to do this under conditions which are much closer to those in the human body.»
For clues into how Myrmoteras executes its power - amplified strike, Larabee examined the ants first under a microscope, then using micro-computed tomography (micro-CT), a three - dimensional imaging system that uses X-rays to visualize the internal structures of small specimens.
Researchers used genetically modified mice in which the axons in the corticospinal tract, a bundle of nerves carrying signals from the brain to the spinal cord, were «stained» with fluorescent matter visible under a powerful microscope.
These kinds of observations can not be easily made under a microscope, of course, but require instead an indirect, statistical approach: «Using small - angle X-ray scattering at BESSY II, we were not only able to ascertain that the nanoparticles are all around five nanometres in diameter, but also measure what the separations between them are.
In order to carry out analyses of this type anyhow, researchers need to use snap - frozen samples — which do not lend themselves to histological inspection under the microscope.
He and his team milked live spiders, using a mild anesthetic and micropipettes, under a dissecting microscope, working carefully so that the spiders could be released unharmed.
Also, we conduct research in EMSL, using transmission electron microscopes, nuclear magnetic spectrometers, molecular beam epitaxy, and other tools all located under one roof.
Using colorfully labeled antibodies to light up the new protein under their microscopes, they found that it was present where Listeria entered cells and also present at adherens junctions between epithelial cells.
Under a microscope, their cells and molecules are so similar to ours that many researchers use these and other animals to understand how the human body works — and to predict our likely responses to possible drugs or poisons.
The sections were then stained with hemotoxylene and eosine stain and were visualized and imaged under Nikon TE - 2000S light microscope (Nikon, Japan) using ACT - 2U software (version 2.1)(Nikon, Japan).
Nodules on the surface of lungs were visualized under the dissecting microscope, and a USB digital camera (Leica Microsystems, Bannockburn, IL, USA) from the microscope was used to take gross images of each lung.
She suggests coloring different parts of brain slices (from dead people) using specific dyes and viewing them under a microscope.
Using a technique called smFISH (single - molecule fluorescence in situ hybridization), the team attached dozens of small fluorescently labeled probes to each molecule of specific messenger ribonucleic acid (RNA), which causes these molecules to light up under the microscope.
After we confirmed there were no live cells in the media under a microscope, we used the conditioned media to culture brains from w1118 larvae as mentioned above.
At different times of culture, rings were photographed under clear field illumination by using an inverted microscope with phase contrast Nikon Diaphot - TM (Nikon Corp., Tokyo, Japan).
Under a dissection microscope (OPMI pico, Carl Zeiss Meditec, Inc., Dublin, CA), a small area of skin as well as the tympanic membrane overlaying the middle ear cavity was removed using iridectomy scissors, followed by the removal of the columella, allowing visualization of the cochlea.
Each single cell was carried through two rinses of PBS using a finely drawn glass capillary pipette under a dissecting microscope and then transferred in a minimal volume (0.5 µL) to a PCR tube containing lysis buffer, protease, tRNA and poly - T gripNA ™ probe (mTRAP ™ midi - kit, Active Motif, cat.
Specific antibodies were used as markers to bind to the structure of motor neurons so that they could be easily viewed under high - power microscopes, and a computer program performed the three - dimensional measurement of the size and shape of a motor neuron's cell body.
A pathologist will use these specimens to look for cancer under a microscope and may perform additional testing on the tissue sample.
I'm under a microscope when it comes to sugar use!
There is another key observation to be made while examining the skin under a microscope (repeatable by anyone with severe eczema using a magnifying glass).
, Season 2, Episode 3: The boys put love and its use in marketing under a microscope.
A photograph of a Lego robot that appeared on Page 35 of the April 24, 2002, issue of Education Week as part of a story on «microdevelopment» research («Research: Under the Microscope»), should have noted that the photo was published courtesy of professor Nira Granott of the University of Texas at Dallas, and was used in research she conducted at the Massachusetts Institute of Technology Media Lab.
They created a wet mount of a small piece of red onion epidermis, then after viewing the cells with a microscope, added saline solution by drawing the water under the cover slip using a paper towel on the other side to absorb the fluid.
Each stool sample should be examined under a microscope, rather than using a float, to determine parasite loads.
The BTHG would like to thank Merial Animal Health Ltd, the makers of Frontline, for giving permission to use photographs from their publication «Under the Microscope — A Guide to Canine & Feline Ectoparasites».
Using a cotton swab, the veterinarian harvests some cells from the vaginal wall and looks at them under the microscope.
He or she will use a cotton swab to take a sample of material from inside your dog's ears and examine it under a microscope.
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