T - tubules of isolated cardiomyocytes from rodent models of cardiac diseases are
labelled using fluorescent dextran that diffuses from extracellular space to TATS lumen.
Not exact matches
It will ship the first sequencers that
use fluorescent labeling this year, and plans to add the methylation mapping capability next year.
The system
uses an enzyme called DNA polymerase to read a strand of DNA and build a complementary strand out of nucleotides
labeled with
fluorescent molecules.
Using fluorescent labels, they were able to track the fates of marked and unmarked chromosomes under the microscope, from egg cells and sperm to the dividing cells of embryos after fertilization.
Developmental biologist Francesca Peri of the European Molecular Biology Laboratory in Heidelberg, Germany, and colleagues created genetically engineered versions of the animals that produced microglia
labelled with green
fluorescent protein, a glowing compound frequently
used in laboratory research.
This novel
fluorescent label - free approach
uses the lateral shifts in the position of the microbead substrate in pillar arrays, for quantifying the biomolecules, based on the change in surface forces and size, without the need of any external equipment.
Typically, detection of biomolecules such as proteins are performed
using colorimetric assays or
fluorescent labelling with a secondary antibody for detection, and requires complex optical detection equipment such as
fluorescent microscopy or spectrophotometry.
Using new technologies for
labeling cellular machinery with light - activated
fluorescent markers, they could «turn on» just one molecule at a time.
In the Nature Biotechnology study, the researchers
used it to anchor proteins, and they also showed that the technique works on tissue that has been previously
labeled with either
fluorescent antibodies or proteins such as green
fluorescent protein (GFP).
Biologists at the University of Cambridge
used fluorescent labelling to stain cell membranes in skate embryos, and tracked them through the dynamic development process.
To generate an image, all of the
fluorescent labels in a protein are switched on, then a wave of light is
used to deactivate most of them.
The most common probes, which
use fluorescent markers or radioactive
labels to pinpoint the virus's location in a tissue sample, sometimes have difficulty distinguishing the target — HIV RNA and DNA — from surrounding cellular components.
A thalamocortical, or TC neuron
labeled with
fluorescent dye, as
used in Dr. Augustinaite's study.
Approach: Wu's group
used Brainbow, a transgenic technique originally devised to map individual neurons in the brain, to
label cells stochastically
using gene cassettes that code for four uniquely expressed
fluorescent proteins.
By
labeling one of the shell proteins with Yellow
Fluorescent Protein (YFP), we were able to
use confocal fluorescence microscopy to observe punctuate loci forming inside chloroplasts.
One common complaint about
using four - color Confetti to
label single cells (in an animal) is that the cells express green
fluorescent protein less often, or sometimes not at all, compared with cells that express each of the other three colors.
Most colocalization methods are based on pixel overlap between the previously denoised signal that is emitted from two (or more) different
fluorescent labels, and
use a global image correlation such as Pearson's of Manders» coefficients.
NUS Engineering researchers have developed a low - cost microfluidic chip that can quickly and accurately detect and quantify nano - bioparticles
using only a standard laboratory microscope without any
fluorescent labels.
Many popular methods, such as antibody
labeling, are
used to add physical
fluorescent labels to specific cellular constituents.
Using fluorescent labels that switch on and off, researchers activate and deactivate
fluorescent molecules in specific regions at specific times.
Using fluorescent labels with unlabeled images to train a deep neural network to bring out image detail.
«It tells you about the ecosystem of the tumour», Simona says, «
using fluorescent markers, we can
label many specific cell types and structures within the brain in the vicinity of the tumour, and look not just at the tumour cells but how they interact with their surroundings.
He
used a
fluorescent marker called GFP (Green Fluorescent Protein) to label the suspected prion - determining domains of these proteins and looked to see if they aggregated in cells - a sign that they may be misfolding and an indication of prion - lik
fluorescent marker called GFP (Green
Fluorescent Protein) to label the suspected prion - determining domains of these proteins and looked to see if they aggregated in cells - a sign that they may be misfolding and an indication of prion - lik
Fluorescent Protein) to
label the suspected prion - determining domains of these proteins and looked to see if they aggregated in cells - a sign that they may be misfolding and an indication of prion - like activity.
However, we recently developed AAV (adeno - associated virus)- based
fluorescent labeling methods that can be
used with 3DISCO to image non-transgenic animals such as rats (17).
Because the embryo is transparent it is possible to
use fluorescent proteins to
label specific cells and their components, and then
use this to watch the fate of the cells in the presence or absence of different genes.
We develop methods to
label RNA in fixed and living cells
using fluorescent probes and microscopy techniques and image analysis algorithms to visualize and quantify many mRNAs simultaneously.
Researchers at SciLifeLab / Uppsala University headed by Johan Elf have
used a combination of microfluidics and image analysis of E. coli with
fluorescent labels on the replication machinery to study how the replication and division cycles are coupled in individual cells.
Such an optical contrast exceeded the optical contrast of the
fluorescent labels (that were targeted to C4 - 2B and HS - 5 cells
using the same prostate cancer - specific PSMA antibody, see Figure 7B, D) by 31 times.
As well as encouraging students and staff to follow good housekeeping measures - such as turning off lights in rooms that aren't in
use, making
use of natural sunlight, and clearly
labeling light switches - converting lighting to LED is a great way for schools to cut down their energy consumption, as LED bulbs
use up to 90 % less energy than incandescent lighting (including halogen), and 60 % less than
fluorescent lighting.
«I could have a breakfast meeting at PennVet with the leading dog genetics and neurosurgery experts, then lunch at Wistar where they taught me how to
use fluorescent labeling to mark the DNA and then walk to the medical college for a meeting about the technical difficulties making holders for different sized dog heads (they are not similar like human heads.)»