Sentences with phrase «fluorescent dye»
A fluorescent dye is a substance that can be added to a material or a solution to make it glow when exposed to certain types of light. It helps scientists and researchers see and study various substances more easily. Full definition
For this purpose, the structures to be studied are marked selectively using fluorescent dyes.
sciencedaily.com
The team chose three types of fluorescent dye molecules for their experiments.
Currently, doctors can inject fluorescent dyes into a patient to help them pinpoint cancer cells.
This can be viewed with calcium - sensitive fluorescent dyes.
The group of imaging specialists led by Prof. Michael Schäfers, Coordinator of the Cluster of Excellence, labelled the cells thus obtained with various fluorescent dyes in order to be able to study them in living organisms — initially with the optical method of fluorescence reflectance imaging.
She and her colleagues designed 24 different fluorescent dyes by varying the triple carbon — carbon bonds, triple carbon — nitrogen bonds, and isotope content to create different colors.
Green fluorescent dyes in this microscopic view mark the presence of the glucose transporter, GLUT1, on the surface of lymphoblastoid cells which go on to form the lymphomas caused by Epstein - Barr virus.
It works without any labelling agents, such as fluorescent dyes.
Researchers get these benefits without having to change their existing fluorescence - labeling protocols — so live - cell, superresolution images can be captured using conventional fluorescent dyes.
New Scientist TV Among our videos this week: a simulation reveals how the Achilles tendon gives humans the ability to run more efficiently than any other primate; a lab - based tsunami simulator improves our understanding of their destructive force; and how injecting crayfish with fluorescent dye shows that males get turned on by urine
The scientists exploited this molecular mechanism to construct a tumour - specific probe called POL - N (Protein transduction domain [PTD]- ODD - Luciferase - Near - infrared [NIR] dye) which contained: 1) the ODD core, 2) a PTD for intracellular delivery, 3) red - shifted luciferase, and 4) a NIR fluorescent dye with peak emission around 700 nm.
Huang, Benkovic and colleagues put fluorescent dye into one of a pair of almost touching cells and watched the dye move into the neighboring cell through tiny protein channels established between them, demonstrating how chemical communication might be tracked using this device.
The authors then tested the tumor targeting capability of iPSC - EPCs labelled with the near - infrared fluorescent dye DiR in two established mouse breast cancer models.
Special fluorescent dyes help to visualize neurons (magenta) and germ cells (green) in the roundworm's body.
The GUV was filled with a solution that contained a red fluorescent dye.
Now, thanks to three inventors from Buffalo, targets made of ice and colored with glistening fluorescent dyes (opposite) may have a profound effect on the clay - target market and revolutionize shotgun shooting.
This is Dr. Pengfei Liu holding human DNA treated with fluorescent dyes prepared for copy number variant analysis.
Fluorescent dyes enhance imaging by defining structures of interest.
These three micrographs were taken with lasers to illuminate colorful fluorescent dyes.
THE MOMENT: Ian Bartholomew, a geoscience doctoral researcher at the University of Edinburgh, pours fluorescent dye into waters beside Russell Glacier in western Greenland.
This gate is activated only when the filovirus sequence is present, but the Marburg sequence is not; activation cleaves a substrate strand labelled with a pink fluorescent dye.
The antineutrino detector KamLAND, made up of nearly 2,000 light sensors placed around 1,000 tons of oil and fluorescent dye buried in a mine cavern in Japan, recorded roughly one antineutrino a month generated by the decay of uranium 238 and thorium 232 deep within the planet.
The researchers engineered an Ebola - like virus that contained a special, self - quenching fluorescent dye in its membrane.
After the light passes through the sample and the objective lens, an emission filter blocks all light except for that emitted by the green fluorescent dye specific to the TB bacilli.
To detect malaria parasites, for which a reliable fluorescent dye has not been developed, the LED and two filters are removed and researchers use conventional light, or brightfield, microscopy to illuminate the sample.
When exposed to the red, fluorescent dye rhodamine B little dye accumulates in the cells and tissues of the fish embryos because Abcb4 prevents uptake of the dye as can be seen in the image above.
Small organic fluorescent dyes, nanocrystals («quantum dots»), autofluorescent proteins, small genetic encoded tags that can be complexed with fluorochromes, and combinations of these probes are highlighted.
Tagging the calcium ions with fluorescent dye makes it easier to watch them fire in real time, but it doesn't tie them to specific neuronal populations.
The microscopic picture shows liver cells whose nuclei have been stained with blue fluorescent dye.
Briefly, samples were labeled with Cy3 or Cy5 fluorescent dye, normalized to 10 pmol of incorporated dye, and hybridized overnight using the Agilent Gene Expression Hybridization kit (Agilent Technologies, Santa Clara, California).
Johanna Spandl (Thiele, MPG)-- «Cell biology of lipid droplets: The function of the lipid droplet protein AUP1 and establishment of the novel fluorescent dye LD540 for improved staining and imaging of lipid droplets» (2009)
To determine the effects of neonicotinoids on the nAChRs of cerebellar neurons, we examined intracellular Ca2 + mobilization using the calcium - sensitive fluorescent dye Fluo - 4.
BDA was detected by streptavidine labeled with fluorescent dye Alexa 555 (Molecular Probes Europe BV, Leiden, The Netherlands, 1 ∶ 400 in PBS - T).
For colocalization of both tracers or one tracer together with ZENK signals, primary antibodies (Egr - 1 / ZENK, 1 ∶ 500; CtB, 1 ∶ 300 in PBS - T) were detected by an appropriate secondary antibody (polyclonal goat raised against rabbit IgG labeled with fluorescent dyes Alexa488; Molecular Probes Europe BV, Leiden, The Netherlands, 1 ∶ 400 in PBS - T).
oskar mRNPs are labeled with a an array of 37 short single stranded DNA oligonucleotides complementary to oskar mRNA, each labeled with a single Atto - Rho14 fluorescent dye (images courtesy of Imre Gaspar).
Where fluorescent dyes come into their own is in detecting pin - prick holes in a radiator matrix, (often difficult to spot), or at, say, a radiator cap seal.
For more puzzling cases, a veterinarian can advise you on adding a safe fluorescent dye to the cats» food (one cat at a time).
The simplest test to detect the patency of the tear duct is to place a drop of ophthalmic fluorescent dye (sterile and non-harmful) into each eye.
A sterile fluorescent dye is introduced onto the surface of the cornea, then gently rinsed away with saline.
Available with four different fluorescent dyes for compatibility with additional labelings / stainings
LaFerla's team found that in healthy mice that were similarly injected, the stem cells (which were marked with a green fluorescent dye) had spread throughout the brain.