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 So
light produced by Berkeley Lab's Advanced
Light So
Light 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.