Sentences with phrase «cell density»

Daily medium exchanges help alleviate cellular stresses associated with pH changes and resource consumption due to the high cell density of the culture.

To keep the cells vital, an optimal cell density of 0.5 — 1.5 × 106 cells per ml medium was maintained.

Both the main strand and the secondary strand, comprising DNA enzymes and the staple sequences, were successfully produced using a high cell density process with bacteria.

This study examines long - term changes in endothelial cell density in eyes implanted with Artisan (Ophtec BV) iris - fixated phakic intraocular lens.

Endothelial cells expanded in low cell density culture are resistant to hypertrophic morphological changes in higher passages.

As a postdoc, when I was developing a protocol to investigate variations in yeast phenotypes in a new experimental environment, I first needed to identify how subtle changes in experimental design — such as cell density, experiment length, and culture age — interacted to influence phenotypes.

Isolated endothelial progenitor cells (EPCs) were expanded in vitro under low cell density culture conditions (Figure 1A: 103 cells / cm2).

This anomaly may result from the deficiencies in their modern calibration set and the great variability in SI, SD, and epidermal cell density among Betula trees.

In a second study, (abstract 3.312) researchers from the Federal University of São Paulo show that reduced cell density in certain parts of the hippocampus may be linked to deficits in short - and long - term memory in certain patients with TLE - HS.

DWI reveals differences in the mobility of water molecules in tissue and the results can be used to create apparent diffusion coefficient (ADC) maps that provide a measure of local cell density.

It also monitors cell density.

Levitation is far from the only method for measuring cell density, notes Grover, who has developed a different technique for weighing single living cells by sticking them onto a tiny resonator and measuring changes in its vibration.

The researchers had assumed that pigeons must have an advantage over humans because of their greater nerve cell density.

The remarkable density of life at deep - sea hydrothermal vents is explained by the mutually beneficial symbiosis of invertebrate animals and sulfide - oxidizing bacteria that colonize their cells

Consistent with this idea, we observed no significant difference in retinal ganglion, inner nuclear layer, or rod photoreceptor cell density when endogenous and induced regions of mosaic retinas were compared (Figure 5O).

Stereologic counts of neuron and glial cell densities from dorsolateral prefrontal cortex (area 9) layers II / III in 18 species of anthropoid primates.

Values of calcein retention (efflux function) were normalized to Hoechst nuclear staining (viable cell density).

(C) Flow cytometry on cells plated at single cell density in 96 well plates from each sorted fraction.

After the drug treatment, the cells were transferred first to a single well of a 6 well plate containing 5 ml CM and then to 50 ml flasks containing 20 — 50 ml CM in order to keep optimal cell density and avoid mass cell die - off.

«There has been a hypothesis that cell stiffness and tension create a vicious cycle leading to enhanced growth, more cell density, more tension, and larger tumors,» said Burridge.

Genetic factors such as myostatin levels and satellite cell density play a large role in how much muscle an athlete can expect to gain.

Evans PM, Lynch GL, Labelle P. Effects of oral administration of diphenhydramine on pupil diameter, intraocular pressure, tear production, tear film quality, conjunctival goblet cell density, and corneal sensitivity of clinically normal adult dogs.

Secretion and expression dynamics of a GFP - tagged mucin - type fusion protein in high cell density Pichia pastoris bioreactor cultivations

«Let them eat xylose: Yeast engineered to grow efficiently on novel nutrients: Discoveries may lead to faster growth and higher cell densities in biological engineering applications.»

Changes in such variables as cell density, volume, incubation time, and MOI can all impact the success of your lentiviral infection.

What he showed is if he took the fluids from cultures of cells that lit up and squirted them on cells that were at a low cell density, they all turned on light.

We are still hopeful that these filter feeders may make this year's bloom less intense in this region than it has been in recent years,» said Gobler noting that in 2011 and 2012, cell densities of the brown tide were more than twice as dense as the current bloom at two million cells per milliliter.

Studies have shown that there is a higher cell density in the peripheral corneal endothelium than in the central endothelium [17].

Researchers at Tufts University have created a genetically modified yeast that can more efficiently consume a novel nutrient, xylose, enabling the yeast to grow faster and to higher cell densities, raising the prospect of a significantly faster path toward the design of new synthetic organisms for industrial applications, according to a study published today in Nature Communications.

The new synthetic regulon, dubbed XYL, enabled the yeast cells to grow more rapidly and to higher cell densities.

«Despite the fact that the literature describes only correlation between verbal memory tests and hippocampal cell densities in patients with left hippocampal sclerosis, we found a correlation between right hippocampal cell densities and performance on visual memory tests, including both immediate and delayed recall,» says authors Sandra Mara Comper and Anaclara Prada Jardim, students in the laboratory of Dr. Elza Marcia Yacubian at the Federal University of São Paulo.

The cell density of cartilage is also very low, therefore, cell cultures offer an easier approach to study cellular responses of chondrocytic cells, e.g., to mechanical stimuli.

Ralstonia eutropha (R. eutropha), the model bacterium of this class, can grow to very high cell densities (> 200 g / L)[3].

MEDFORD / SOMERVILLE, Mass. (March 26, 2018)-- Researchers at Tufts University have created a genetically modified yeast that can more efficiently consume a novel nutrient, xylose, enabling the yeast to grow faster and to higher cell densities, raising the prospect of a significantly faster path toward the design of new synthetic organisms for industrial applications, according to a study published today in Nature Communications.

A team from Tufts University has developed genetically modified yeast that can more efficiently consume xylose, enabling it to grow faster and to higher cell densities.

For induction of differentiation to mature endothelial cells, EPCs were plated at a high cell density (8 × 104 cells / cm2) on tissue culture treated flasks.

Biomarker analyses will look for correlations between baseline CD8 + T - cell density in injected lesions and outcomes.

Cell density was kept between 2 and 4 × 106 cells per ml.