Sentences with phrase «in nanograms»

The amount of Test you have in your body is measured in nanograms per deciliter (ng / dL) of blood.
A common way of expressing it is in nanograms per deciliter (of blood), or ng / dL.
«Some urine samples showed cocaine levels over a million,» measured in nanograms per milliliter, Kosten says.
Fixed wavelength (254 and / or 280 nm) and multiwavelength detectors like PDA have been widely employed with sensitivity in the nanogram range or even lower.

Not exact matches

The level of precision necessary to meet this standard on an industrial scale for 100 per cent of the corks examined is astounding, especially given that the detection threshold of 0.5 nanograms / litre is the equivalent of one drop of water in 800 Olympic - size swimming pools.
The level of precision necessary to meet this standard on an industrial scale for the individual corks examined is astounding, especially given that the detection threshold of 0.5 nanograms / liter can be the equivalent of one drop of water in 800 Olympic - size swimming pools.
For the study, the researchers identified the minimum healthy level of 25 - hydroxyvitamin D in blood plasma to be 30 nanograms per milliliter.
However, the amount of nicotine in the blood after exposure to iQOS vapor was substantially higher (70.3 nanogram / milliliter for iQOS, 15.0 nanogram / milliliter for cigarettes).
But the data in this latest study also revealed something puzzling: falling levels of BPA in urine when 2006 measurements were compared with 2004; concentrations decreased from an average of 2.49 to 1.79 nanograms per milliliter.
The interdisciplinary project team is made up of eco - and human toxicologists, physicists, chemists and biologists, and they have just managed to take their first major step forward in achieving their goal: they have developed a method for testing a variety of environmental samples such as river water, animal tissue, or human urine and blood that can detect nanomaterials at a concentration level of nanogram per liter (ppb — parts per billion).
Dong was also corresponding author on a study published in 2015 in the journal BioMed Central Obesity that showed, in this same group of individuals, both 2,000 and 4,000 IUs restored more desirable vitamin D blood levels of 30 nanograms per milliliter.
Her team found mean vitamin D values of 14 nanograms per milliliter (ng / ml) in the city folks and 20 ng / ml in the rural group.
And in his population, it occurred where 25 - D values were about 18 nanograms per milliliter (ng / ml) of blood.
In laboratory tests, just a few tens of nanograms of these compounds per litre can skew sex ratios and decrease fertility in fisIn laboratory tests, just a few tens of nanograms of these compounds per litre can skew sex ratios and decrease fertility in fisin fish.
Of 170 individuals with prediabetes who had not taken vitamin D supplements in the past six months, 125 had vitamin D deficiency or insufficiency, which the researchers defined as a vitamin D blood level (25 - hydroxyvitamin D) of 30 nanograms per milliliter (ng / mL) or less.
The concentration in a vegetarian adult's faeces was only 17 nanograms per kilogram, while a husband and wife on a mixed diet both had 81 nanograms per kilogram.
The scientists found that pigs produce even more phosphane than cows — 103 nanograms per kilogram in their colons and 964 nanograms per kilogram in their manure.
For instance, the concentration is lowest in the rumen of cows (2.9 nanograms per kilogram), greater in cowpats (9 nanograms per kilogram) and greater still in manure (14 nanograms per kilogram).
«Unlike a lot of organic pollutants in drinking water where the regulatory limit may be in the microgram per liter range, for NDMA, the regulatory guideline in many places ranges from 10 nanograms per liter to 100 nanograms per liter.
When they carried out tests, they detected no phosphane in the faeces of a 20 - week - old unweaned baby but 162 nanograms per kilogram in the faeces of an 8 - month - old toddler on a mixed diet.
Researchers at São Paulo State University's Botucatu Medical School (FMB - UNESP) detected MetS in 57.8 % of the women analyzed with vitamin D insufficiency (20 - 29 nanograms per milliliter of blood) or deficiency (less than 20 ng / ml) and in only 39.8 % of participants with sufficient vitamin D (30 ng / ml or more).
The deposited particle mass from 10 to 350 nanograms (a billionth of a gram) per square centimeter of cell surface corresponds to an airway daily dose of slightly polluted, rural air with 20 micrograms (a millionth of a gram) PM per cubic meter of air through to very high air pollution in a megacity (1000 micrograms PM per cubic meter of air).
In Cell Metabolism on August 13, the Harvard scientists who discovered irisin address this contentious issue by showing that human irisin circulates in the blood at nanogram levels and increases during exercisIn Cell Metabolism on August 13, the Harvard scientists who discovered irisin address this contentious issue by showing that human irisin circulates in the blood at nanogram levels and increases during exercisin the blood at nanogram levels and increases during exercise.
And in glasses of Pinot Blanc that had been tainted by female fruit flies or trace amounts of pheromone, the tasters found the taste «somewhat unpleasant» when as little as 1 nanogram of the pheromone was present (doi.org/10.1101/206375).
Sublethal effects related to insect behavior have been described in other studies; even a few nanograms of active ingredient disturbed the sense of taste, olfactory learning and motor activity of the bees.»
MP concentrations in plasma (nanograms per milliliter) did not differ between groups at 10 min (controls, 195 ± 51; abusers, 194 ± 45), 25 min (controls, 125 ± 24; abusers, 121 ± 19), or 40 min (controls, 102 ± 25; abusers, 94 ± 15).
To determine the effect of the conditioned medium on NGF - induced neurite outgrowth, PC12 cells were dissociated and plated on polyornithine - coated tissue culture dishes in the following conditions: 1) HT22 conditioned medium, 2) J147 treated HT22 conditioned medium, 3) DMEM alone plus J147, 4) DMEM plus NGF at 50 nanograms per ml, 5) J147 treated HT22 conditioned medium pre-incubated for one hour with 10 μg / ml anti-NGF and N2 supplement (Invitrogen).
The plated cells were then dissociated and counted using a hemocytometer in order to express results as picograms or nanograms of growth factor produced per day per million cells.
The new study found levels of up to 42.7 nanograms per liter of this insecticide in Iowa rivers.
Typically, healthy adult men have less than 5 nanograms per milliliter of growth hormone circulating in the blood, while females can produce up to twice of that amount in child - bearing years.
One nanogram equals 1,000 picograms, and there are 100 ml in a deciliter.
Hormones are measured in like nanograms, which is like one speck of salt in like a swimming pool, right.
«A testosterone level test measures the amount of testosterone in the blood and is reported as nanograms per deciliter (ng / dL)» [Healthline].
While researchers are still determining the optimal level of vitamin D in the blood for people with MS, a suggested range of 40 to 60 nanograms per milliliter (ng / ml) has been proposed as a target.
Because vitamin D can come from sun, food, and supplements, the best measure of one's vitamin D status is blood levels of a form known as 25 - hydroxyvitamin D. Levels are described in either nanomoles per liter (nmol / L) or nanograms per milliliter (ng / mL), where 1 nmol / L = 0.4 ng / mL.
By comparison, the average level of the soy isoflavone genistein in the bloodstream of Asian women is approximately 25 nanograms per milliliter, but in U.S. women, only 2 nanograms.
The regular range of testosterone levels in healthy males is between 270 to 1,070 nanograms per deciliter (ng / dL), but -LSB-...]
«Anything above basically 50 nanograms per liter of seawater of oxybenzone can induce toxicity in a variety of marine organisms.
But the levels of caffeine found in these areas is still relatively low — around 45 nanograms per litre compared to your typical cup of coffee at 500,000,000 nanograms per litre.
With the passage of I - 502, a DUI limit of 5 nanograms per milliliter of blood was established, in part to appease voter concerns over the implications of the law.
So, if you test positive for 5 nanograms per milliliter of THC in a blood test or 10 nanograms per milliliter of THC in a urine or saliva, you may be arrested, charged, and convicted of a DUI.
Like alcohol DUI, DUID cases do have a testing standard: any driver found with five nanograms of THC (the psychoactive compound in cannabis) in their blood can be prosecuted for driving under the influence.
Reserachers reported that in men with a prediagnostic PSA level below 1 nanogram per milliliter, only six men [1.2 percent] were later diagnosed with a high - risk prostate cancer.
Previous studies have shown that nearly half of all men and women are deficient in the nutrient, with vitamin D levels below 32 nanograms per milliliter.
Given the current trend in lowering the PSA cut - off to about 3 nanograms per milliliter, the medical reserachers noted that a large number of healthy men will be subject to painful, stressful and costly diagnostic procedures.
If Colorado Senate bill 117 is passed into law it will set 5 nanograms of THC per milliliter of blood as the upper limit for THC found in blood samples taken by law enforcement as the standard for intoxication.
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