Sentences with phrase «under light microscope»

The fruit fly Drosophila melanogaster is studied because it is easy to grow for an animal, has various visible, heritable traits, and has a giant chromosome in its salivary glands that can be examined under a light microscope.

Your veterinarian will scrape an area on the chin until there is some capillary bleeding and then examine the material under a light microscope.

Cells were differentially counted under a light microscope, counting 400 leukocytes per slide.

They examined the chromosomes of autistic children, and found that some 5 percent have chromosomal abnormalities that can be seen under the light microscope.

One slide was removed and examined under the light microscope every few days to monitor biofilm accumulation rate.

Microbial communities could clearly be seen in the hydrated biofilms under the light microscope but subsequent examination under SEM showed only a smooth undulating profile.

In contrast to the plaques which are typical for the disease discovered by Alois Alzheimer more than 100 years ago, the fibril structure now uncovered can not be directly observed under the light microscope.

NO WATER, NO PROBLEM Known as water bears, tardigrades (one seen under a light microscope) are famous for withstanding desiccation.

«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.»

Usually yeast vacuoles were too small to see under the light microscope, but in the mutant yeast, they grew so large they were easy to observe.

Under a light microscope, Schweitzer saw groups of red circular structures that looked for all the world like red blood cells.

«They're absolutely not biogenic when seen in Technicolor» under a light microscope, Butterfield says.

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.

Not exact matches

Viewed under a microscope, rods evenly irradiated with UV light have very bright points at both ends while only weakly glowing otherwise.

Under the microscope, this thin section of sauropod bone appears coloured in polarised light.

Under the microscope, the resulting slices of amygdala lit up like a Christmas tree: green if they had absorbed the extra CREB, red if positive for Arc.

That way, any neuron that had extra CREB by virtue of getting infected with the virus would also conveniently light up under the microscope.

Under a powerful light microscope, he looked for tiny chips and abrasions on the edges of the arrowheads.

Photo of phytosterols in their natural state with fat present, taken under a microscope in polarized light.

Under a microscope illuminated with ultraviolet light, the layers come into focus.

At about a half - millionth of a meter across, Mimi is one of the few viruses visible under a standard light microscope.

They constructed a microscope that flashes a violet light at proteins designed to activate under such rays.

Being able to reach a resolution of tens of nanometers with visible light meant that biological molecules could be observed while still alive, not under the harsh conditions necessary for an electron microscope.

The three new Nobelists overcame that limit using fluorescence, getting the objects under the microscope to emit light themselves to reveal their details.

They then kill the animal and slice its brain tissue thin enough so that light can shine through it under a microscope, revealing the structure within each slice.

By applying blue light to the crystals in solution, the team observed, under a microscope, an oscillatory bending - unbending motion of the thin crystals, suggesting the existence of two stable structures, bent or unbent, depending on the cis / trans ratio.

The sugar is tagged with a dye that lights up under a fluorescent microscope — but only if the dye isn't surrounded by water.

In hundreds of experiments he glued a living fly to a special plastic platform under a microscope, sunk a wisp - thin electrode into its honeycombed eye, and recorded how its retina responded to beams of light.

Indeed, the random arrangement of the atoms in a disordered medium such as glass is not observable with visible light: the glass looks completely homogeneous, even under the best optical microscope.

The particles which the cold laser causes to emit light can thus be seen at their fixed positions under the optical microscope.

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.

They live several kilometers under the surface of the earth, need no light or oxygen and can only be seen in a microscope.

Although none of these organisms has yet been isolated, observed under the microscope nor cultured, these genome sequences provide us with an unprecedented opportunity to explore the origins of these cytoskeletal elements and promise to shed light on the evolutionary transition that led to the emergence of eukaryotes.

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).

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.

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.

An S2 however, would show under the microscope some uneven darkening of olivine crystals as the specimen is examined in polarized light and there might be cracking of mineral grains in along paths other than the normal cleavage of the crystals.

By looking at the platelets of open water fish under the microscope, the team found that the platelets align well on vertical axes, allowing fish to reflect the predictable downward direction of light in the open ocean.

He takes characters from wildly different social strata - a slave - dealing capitalist, an abolitionist lawyer, a light - starved coal miner, a fiddler escaped from prison - and puts them under a microscope to expose the subtle workings of their minds and morals.

He or she may do a number or special tests, such as blood tests, a urinalysis, examining your cat's skin under a special light, scraping her skin for some cells to examine under a microscope, and / or a skin biopsy.

Ringworm can be diagnosed with a fungal culture and examination of the culture under the microscope and an examination of the skin under a special light called a «Wood's lamp.»

Tests may include examining the affected area under a special ultraviolet light, taking a swab of any seepage from the area to be examined under a microscope, and / or blood tests.

With specialized lighting, urate crystals have a very typical appearance under the microscope.

In fact, it is anything but; it's a landscape of light and matter, as if the earth itself had been placed under a microscope and brought into high relief.

The detail from a laboratory worktop with shining white tiles and blackish - grey grouting, shown in artful lighting, opens up a visual space where, amongst other things, a microscope, a pipette and a cold - light source with a two - arm light guide become actors under the artist's vision control and mise - en - scène.

The abstract shapes of his neons are evocative of worms or micro-organisms as one sees them under the microscope; their modulated lighting accentuates their ability to breathe, live or expire.

Through their interaction with light, this is how these «bodies» are registered on the surface of the silver gelatin prints; their abstract lines through light and dark evoking amoeba under a microscope.