Sentences with phrase «on light microscopes»

There are separate lessons on light microscopes, electron microscopes and magnification.

Not exact matches

An ordinary microscope or telescope can't see detail on a scale less than the wavelength of light.
Light microscopes based on scattering, reflection and absorption, or a combination of these, have been a key enabling technology for the study of objects invisible to our eyes, especially in the field of biology.
The instrument — a scanning Kerr microscope — bounced femtosecond pulses of laser light off the surface of rectangular Ni80Fe20 samples, measuring 15 nanometers thick and grown on small strips of gold.
Under a powerful light microscope, he looked for tiny chips and abrasions on the edges of the arrowheads.
The picture was taken with an iPhone 4s through a microscope, and is part of researchers» attempts to optimize the retention of both heat and light on solar cells.
MCD is diagnosed based on the characteristic podocyte, elongations of the cell normally too tiny to be seen through a light microscope.
That required some special equipment: a microscope that uses lasers and fluorescent lights to piece together 3D images, a special lighting system to keep the plants healthy during their longer - than - usual time in the spotlight, and a microscope setup flipped entirely on its side so the plants could grow upright instead of growing horizontally along a slide.
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.
While they wait for a commercial version to come on the market — the technology has been licensed to Germany - based Carl Zeiss optics company — biologists must build each light sheet microscope themselves.
They imaged cells on powerful microscopes that detect the light emitted from fluorescent molecules in each sensor.
On September 12, a regional EPA office volunteered to send 30 to 40 electron microscopes to Ground Zero to test bulk dust samples for the presence of asbestos fibers, according to EPA whistle - blower Cate Jenkins, yet the local EPA office declined the offer, opting for the less effective polarized light microscopy testing method instead.
The new microscope is essentially three microscopes in one: an adaptive optical system to maintain the thin illumination of a lattice light sheet as it penetrates within an organism, and another adaptive optical system to create distortion - free images when looking down on the illuminated plane from above.
For his work on producing an acoustic microscope using sound rather than light in order to form images.
For the visitors, seeing a tiny embryo down a microscope was certainly interesting, but when the fluorescent light was turned on, revealing such things as red - labelled blood flowing through glowing green vessels, the exclamation heard was usually «wow»!
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.
Using a novel microscope that combines standard through - the - lens viewing with a technique called scatterfield imaging, the NIST team accurately measured patterned features on a silicon wafer that were 30 times smaller than the wavelength of light (450 nanometers) used to examine them.
Surface chemistry on nanosized gold particles, shown here at low - magnification, left, and high - magnification, right, in images produced with a scanning electron microscope, was studied with infrared light produced by Berkeley Lab's Advanced Light Solight produced by Berkeley Lab's Advanced Light SoLight Source.
In confocal microscopes, optical sectioning of a specimen is based on discriminating the out - of - focus reflected light by using a pinhole.
The Core provides training, assistance and access to first - class microscopes for both transmitted light and fluorescence imaging: Four upright microscopes for viewing samples on slides; Two inverted microscopes for viewing living specimens in dishes or flasks.
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.
Lower the condenser on the microscope and decrease the light to increase the contrast in the microscope field.
Your veterinarian will scrape an area on the chin until there is some capillary bleeding and then examine the material under a light microscope.
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.
a b c d e f g h i j k l m n o p q r s t u v w x y z