Sentences with phrase «at concentrations of»

CO2 at concentrations of just 300ppmv has a very strong effect on a narrow band of the Earth's thermal radiation centred on 14.77 microns taking over about 10 % of the Earth's greenhouse effect from clouds and water vapour.

In fact, the latest scientific research suggests that what would almost certainly happen at those concentrations of CO2 is that, in the second half of this century, sea levels would start rising several inches a decade, which would quickly become 6 to 12 inches a decade.

Cidofovir at concentrations of 0.02 to 0.05 mg / dl has been shown to be extremely effective against FHV - 1 infection of feline corneal epithelial cells in vitro.

It is perhaps no surprise then, that dogs can detect substances at concentrations of up to a million times lower than humans can perceive them.

The EPA has determined that exposure to cadmium in drinking water at concentrations of 0.04 ppm for up to 10 days is not expected to cause any adverse effects in a child.

A previous study found a CV % of 6.4 % at concentrations of 0.47 mg / L and 3.7 % at concentrations of 10.5 mg / L with the latex - enhanced method (16).

I think the measurements were looking at concentrations of antioxidants in the foods.

In the cosmetics industry, the biocide methylisothiazolinone or MIT, is considered safe at concentrations of less than 100 parts per million.

In a letter published this week in the peer - reviewed journal Environmental Health, experts said more than 6 million people in the United States have been exposed to those chemicals «at concentrations of concern.»

Instruments on - board the rover will be able to detect organic molecules at concentrations of just 40 parts per billion.

«And nearby wells allow us to look at concentrations of the chemicals that reached the relatively deep groundwater across the site.»

Early prototypes could only detect odours at concentrations of several parts per million — not good enough to compete with dogs.

High - pressure liquid chromatography with ultraviolet - visible spectral analysis of toluene extracts of samples from two Cretaceous - Tertiary (K - T) boundary sites in New Zealand has revealed the presence of C60 at concentrations of 0.1 to 0.2 parts per million of the associated soot.

The team discovered that those who took SSRIs reported an increased sensitivity to sweet and bitter tastes, detecting them at concentrations of 27 percent and 53 percent lower, respectively, than before ingestion of the drug.

And even at concentrations of parts per billion (ppb), closer to a drop in a swimming pool than a drop in a teacup, long - term exposure to inorganic arsenic — generally considered the most toxic form — has been linked to an increased risk of cancer and other life - threatening illnesses.

IN 1957, I invented a device that can sniff out poisonous pesticides and ozone - eating compounds at concentrations of just one part per trillion.

Although the Environmental Protection Agency's (EPA's) current safe drinking water standard is 3 ppb, atrazine is often found in central North American waters at concentrations of up 10 ppb in spring, and peaks greater than 200 ppb have been recorded.

Moreover, these measurements were made at concentrations of sulfuric acid and dimethylamine corresponding to atmospheric levels (less than 1 molecule of sulfuric acid per 1 x 1013 molecules of air).

Scientists, however, are uncertain what actually happens in the human body at the concentrations of chemicals that people encounter in fruits and vegetables.

The technique is so sensitive that the researchers can distinguish dozens of compounds at concentrations of just parts per billion.

«We saw clearance of the virus at concentrations of BX795 that were five times lower than concentrations of antiviral compounds in available nucleoside analogs,» Shukla said.

In 2001, the U.S. Environmental Protection Agency («EPA») concluded that appropriate use of DEET at concentrations of up to 30 % posed no significant risk to children or adults but that DEET should not be used on children younger than 2 months of age because of increased skin permeability.

The prospect of what some have called «the colonization of the womb» and the enormity of the problems looming on the horizon should stir us all to outrage at the concentration of so much energy and so many resources, so much sound and fury, on the abortion issue.

Adenosine 3», 5» - monophosphate at a concentration of 5 x 10 - 7 mole per liter causes a 400 percent increase in the rate of phosphorylation of histone catalyzed by a partially purified enzyme preparation from rabbit brain.

The solution — graphene - based Janus amphiphilic nanosheets — is effective at a concentration of just 0.01 percent, meeting or exceeding the performance of both conventional and other nanotechnology - based fluids, said Zhifeng Ren, MD Anderson Chair professor of physics.

An LPS - depleted collagenase cocktail (Liberase 3; Roche Applied Science, Indianapolis, Indiana, USA) at a concentration of 0.03 mg / ml and 50 U / ml DNase I (Sigma - Aldrich) was added to the tissue suspension and the samples were incubated at 37 °C on an orbital shaker (215 Hz) for 45 — 60 minutes.

For each pool, 55 µL of rabbit sera and 55 µL of viral supernatant at a concentration of 100 TCID50 were mixed, incubated for 1 hour at 37 °C, and inoculated onto A549 cells in wells of a 96 - well plate as described above.

To perform the virus neutralization assay, 55 µL of viral supernatant at a concentration of 100 TCID50 and 55 µL of serum (starting at a 1 ∶ 8 dilution) were mixed and incubated for 1 hour at 37 °C.

At a concentration of 100 µM, PBDE 99 as well as ETA - DOPO and EG - DOPO showed significant damage to the cells.

Spleen cells (1 × 106) were incubated with hamster anti-murine αβTCR (Accurate Chemical, Westbury, NY), hamster anti-murine γδTCR (GL3; kindly provided by Leo LeFrancois, University of Connecticut, Farmington, CT), or PE - conjugated rat anti-Thy 1.2 (PharMingen, San Diego, CA) at a concentration of 1 μg / ml for 30 min on ice, and washed three times in HBSS.

The oligonucleotides, suspended in 1.5 M betaine in 3X SSC buffer at a concentration of 500 ng / µl, were covalently linked in quadruplicate to aldehyde - coated glass microscope slides at a spacing of 250 microns.

Low TRF2 expression was observed at a concentration of 80μM (Fig 2e) whereas high DSB was observed in the same concentration in parental HCT - 116 (Fig 2b).

The IHC was done following the same protocol as for the confocal experiments, except that the McSA1 and pab27576 were used at a concentration of 1:1000.

Karpas 299 and SU - DHL1 cells were treated with LY294002 at a concentration of 0, 10, or 20 μg / μL as described elsewhere (5), rapamycin at a concentration of 0, 10, 20, and 40 μg / μL with or without 1 μg / μL doxorubicin, and AKT - II inhibitor (Calbiochem; ref.

Briefly, the cells were washed in ice - cold PBS and resuspended in binding buffer at a concentration of 1 × 106 cells / mL.

DAPI was used to stain the cell nuclei (colored blue) at a concentration of 1.43 µM for 1hour at room temperature

L - arginine hydrochloride was administered at a concentration of 350 mg / 100 g body weight, dissolved in 0.15 molar saline as 20 % solution.

A and B, two ALK + ALCL cell lines, Karpas 299 and SU - DHL1, were treated with the selective PI3K inhibitor, LY294002, at a concentration of 0, 5, 10, or 20 μg / μL.

The cells were dissociated with 0.25 % trypsin and 1 mM EDTA in PBS (0.25 % trypsin — EDTA) for 10 to 15 min and suspended at a concentration of 100,000 cells / ml in DMEM (Sigma) supplemented with 10 % FBS, 1 mM MEM nonessential amino acids, and penicillin — streptomycin.

(A) BaF3 cells control or stably transduced with wild - type or with V617F, Y931C or V617F / Y931C mutant were washed 3 times in PBS to remove the residual IL - 3 and seeded in 6 - well plates at a concentration of 100,000 cells / mL in culture medium.

A translational fusion of Punc - 7S in the GFP expression vector pPD95.67 (provided by A Fire) was injected at a concentration of 50 ng / μl and found to express in various head neurons but not in ventral nerve cord motor neurons.

For many of the heterologous promoter fusions, the plasmid JA - 1 [46] was used as a co-injected marker at a concentration of 100 ng / μl.

At a concentration of 400 parts per million, there is more strontium in the earth's crust than carbon.

The researchers also looked at the concentration of TNFRF2 related to TNFR1.

According to the new research, toxicity occurs at a concentration of 62 parts per trillion.

We found that ellagic acid at a concentration of 10 -LRB--5) M induced G arrest within 48 hours, inhibited overall cell growth and induced apoptosis in CaSki cells after 72 hours of treatment.

Take magnesium for example, the daily value for magnesium for an adult male is ~ 410mg / day, magnesium is contained in himalayan salt at a concentration of 0.16 g / kg or 160mg / kg.

Skin - So - Soft ® (SSS) has been shown to partially repel fleas when topically applied at a concentration of 1.5 ounces of SSS per gallon of water.

Human insulin is formulated at a concentration of 100 IU / mL.

Avon's Skin - So - Soft ®: Skin - So - Soft has been shown to partially repel fleas when topically applied at a concentration of 1.5 ounces of SSS per gallon of water.