Sentences with phrase «emission wavelengths of»

The fluorescence emitted by the cells was viewed using a fluorescence microscope, equipped with U-MWB2 optical filters at excitation / emission wavelengths of 460 ~ 490/520 nm.

Calcein - AM and Hoechst were added at the end of the treatment for 10 minutes and the developed fluorescence was measured in assay buffer in a Victor3 plate reader (Hoechst at excitation and emission wavelengths of 355 nm and 465 nm, respectively and calcein at excitation and emission wavelengths of 485 nm and 535 nm, respectively).

The fluorescence emitted by Hoechst 33342 was viewed using a fluorescence microscope, equipped with U-MWU optical filters at excitation / emission wavelengths of 330-385/420 nm.

Nuclei were stained with Hoechst 33342 (5 μg / ml) and observed by a fluorescence microscope equipped with U-MWU optical filters with a U-MWU optical filter at an excitation wavelength of 355 nm and an emission wavelength of 420 nm.

Fluorescence intensities were measured at an excitation wavelength of 340 or 380 nm and an emission wavelength of 510 nm, with a fluorescence spectrometer (Hitachi F - 2500) during stimulation as indicated in Fig. 5.

Not exact matches

Rampadarath explains: «Comparing the VLA images at radio wavelengths to Chandra's X-ray observations and the hydrogen - emission detected by Hubble, shows that features are not only connected, but that the radio outflows are in fact the progenitors of the structures seen by Chandra and Hubble.

The picture which emerges is one of a twisting jet whose emission is amplified at different wavelengths at different times, by the «lighthouse effect.»

The instrument is sensitive to near - infrared light, the wavelengths at which the emissions of extremely distant galaxies — stretched by the expansion of space — shine most brightly.

After being ground up into a fine powder, the substance produced infrared emissions (phospholescence) with a wavelength of 900 nm.

And just as we can regard radio emissions as waves and not as photons because of their long wavelength, the gravitational waves that we detected were of sufficiently long wavelength that we could indeed regard them as waves.

The night - time emission of green light, with a wavelength of 557.7 nanometres, was detected in the Earth's upper atmosphere more than a century ago.

By studying such a large data set — over 200,000 galaxies in 21 different wavelengths, or colors of light, from ultraviolet to infrared — astronomers compared the energy emissions from galaxies across a wide swath of space and time to read the history of the universe.

Sky surveys and mappings of the various wavelength bands of electromagnetic radiation (in particular 21 - cm emission) have yielded much information on the content and character of the universe's structure.

What is more, because Jupiter's microwave emissions vary in wavelength based on the pressure (as well as temperature) of the atmospheric layers where they originate, observations at multiple wavelengths allow researchers to create a cross-section through the atmosphere.

Now, in a study published in Nature Nanotechnology on January 11th 2016 (online), a team of MIT researchers describes another way to recycle light emitted at unwanted infrared wavelengths while optimizing the emission at useful visible wavelengths.

(Because Saturn's atmosphere is largely composed of hydrogen, aurora emissions are mainly in the ultraviolet band of wavelengths.)

The FORTIS spectrographic element splits the light captured by the telescope into segments of varying wavelength intensity, which help scientists discern hydrogen emission and absorption.

But for one lengthy interval during the observations, the team spotted emissions from hydrogen (at a wavelength of 121.6 nanometers) in the same region.

Working at the IRAM Plateau De Bure interferometer in the French Alps, the researchers gathered data in the millimetre band, which allows observation of the emission from the cold gas which is the primary fuel for star formation and main ingredient of galaxies, but is almost invisible at other wavelengths.

The Solar Dynamics Observatory, launched by NASA in February, returns 16 - megapixel images of the sun on a nearly continuous basis, splits the sun's emissions into its individual wavelengths, tracks the propagation of waves across the sun's surface and maps the ever shifting solar magnetic field.

Beyond the wavelength coverage of the space - borne observatories, the spectra taken in Hawaii even turned up a curious new feature — a boost in emissions of unknown origin at wavelengths of about 3.3 microns.

To prove their concept of this multiplex spectral microgel analysis within a microfluidic flow, the team used «different barcodes corresponding to different emissions at specific wavelengths and the fluorescence intensity of known microRNA concentration,» which was measured for calibrations of the specific microRNA being explored.

They then used a simple microfluidic layout to flow the microgel and allow a continuous measurement of the fluorescence signal with several emission wavelengths for the multiplexed barcode detection.

The team determined this by detecting two types of carbon monoxide signatures, an absorption signature at a wavelength of about 1.6 micrometers and an emission signature at about 4.5 micrometers.

Our bodies naturally release heat, in part, through emission of mid-infrared radiation in the 7 - to 14 - µm wavelength range.

The emission wavelength used for cell sorting of DiI - Ac - LDL - labeled cells was 550 nm.

«Nonlinear stage - scanning confocal microscopy is critical because it allows us to rapidly measure the nonlinear emission from thousands of different nanostructures while minimizing the potential systematic errors, such as intensity or beam pointing variations, often associated with tuning the wavelength of an ultrafast laser,» O'Brien says.

Illuminating the cell with a laser results in the emission of photons with a wavelength in the infrared spectrum range.

Los Alamos National Laboratory has produced the first known material capable of single - photon emission at room temperature and at telecommunications wavelengths.

This might indicate that smaller (and warmer) dust grains are responsible for the 100 μm emission than at the longer wavelengths, in agreement with the theoretical predictions of van Marle et al. (2011).

Los Alamos National Laboratory researchers have produced the first known material capable of single - photon emission at room temperature and at telecommunications wavelengths, using chemically functionalized carbon nanotubes.

Those bands were not seen again until 2011 when the the team observed the planet with Keck Observatory's NIRSPEC, a unique, near - infrared spectrograph that combines broad wavelength coverage with high spectral resolution, allowing the observers to clearly see subtle emissions from the bright parts of Saturn.

At millimetre wavelengths emission from the CO molecule allows astronomers to obtain high - resolution maps of the gas emission from the strong stellar wind generated by the AGB stars.

Quantum dots are nanoparticles made of a semiconductor material, that have unique optical properties: the wavelength (and thus color) of their light emission depends on their size rather than the material they are made of.

Ongoing radio observations (SMA, JCMT, VLA) of Sirius A are being used to set an observationally determined standard for stellar atmosphere modeling and debris disk studies around A stars, as well as to take the first step toward characterizing potential intrinsic uncertainty in stellar emission at these wavelengths.

Webb's ambitious design tackles the two main challenges for an infrared telescope: it has to have a large mirror in order to best capture long infrared wavelengths; it also has to be kept cold, in order to keep unwanted sources of infrared light from interfering with the emissions it attempts to detect.

The practical brightness takes all application specific parameters into account, including the specs of your microscope (excitation wavelength, available emission filters, and detector sensitivity) and the biological system (temperature, prokaryote versus eukaryote, background fluorescence).

Natural astronomical masers — the analog of laser emission at microwave wavelengths — are one class of coherent sources, but these emit in specific wavelengths.

The European X-ray Observatory Satellite (EXOSAT), developed by the European Space Agency, was capable of greater spectral resolution than the Einstein Observatory and was more sensitive to X-ray emissions at shorter wavelengths.

A number of similar black hole exploration methods have also been proposed in optical / infrared spectra so far, but one crucial problem is that emissions at these wavelengths are absorbed by interstellar dust particles although the more active black holes contain more dust particles.

Dronpa is photoactivated by blue wavelengths of light, causing emission of green fluorescence, but then further exposure to blue light also inactivates the chromophore, leading to a non-fluorescent state.

That first quasar and others identified later puzzled astronomers because, when their light was analyzed to find the characteristic «signature» of emission at specific wavelengths shown by particular atoms, the pattern was at first indecipherable.

If such observations go forward, the telescope will provide an unparalleled view of Proxima b. JWST is optimized for infrared wavelengths, which can be used to examine a planet's heat emissions.

They observed L1551 NE in the emission from dust at a 0.9 - mm wavelength, a tracer of distribution of interstellar materials, and carbon monoxide molecular emission, which can be used to study gas motion with the Doppler Effect.

The goal of the research group is to establish a new exploration method using as reference various molecular / atomic emission lines which can be observed at millimeter / submillimeter wavelengths (* 3).

These longer - wavelength observations helped to measure the properties of clouds in the planet's atmosphere that absorb and re-radiate infrared emission.»

LOS ALAMOS, N.M., July 31, 2017 — Los Alamos National Laboratory has produced the first known material capable of single - photon emission at room temperature and at telecommunications wavelengths.

Image recording was performed with an excitation wavelength of 633 nm to scan the respective emission profiles and recording the emission in 10 nm windows from 660 to 780 nm.

A specifically tailored Uppsala model based on the MARCS code and extending further in wavelength is used to gauge the emission characteristics of alpha Cen A in the FIR.

Intensity as recorded in zebrafish (crosshairs in Fig. 4a show where measurement took place) at an excitation wavelength of 633 nm and scanned for emission at 11 nm intervals from 654 nm to 794 nm.