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.
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.
(The actual legal limit is 5.00
nanograms of THC per 100 mL of whole blood).
If it was all about the weight - saving, the car companies could run to a few
nanograms of paint on top to hide the wretched stuff from view.
The average man produces 136,000
nanograms of estrogen per day, which is more than you would get from drinking seven gallons of milk.
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.
Worthington had the lowest levels — only 18
nanograms of triclosan per liter of water (or 0.018 parts per billion, or ppb).
Ten
nanograms of total RNA from each cell line was converted to cDNA using the High - Capacity cDNA synthesis kit (Applied Biosystems).
Some of the mice received 250
nanograms of bisphenol - A daily per kilogram of body weight (ng / kg / day); others received 25 ng / kg / day.
Ten
nanograms of reporter plasmid and 200 ng of miR7 expression plasmid were cotransfected with 1 ng of phRG - TK Renilla luciferase internal control plasmid (Promega) into 293TN cells using Lipofectamine 2000 reagent (Invitrogen).
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.»
Officers found levels of 4500
nanograms of cadmium per gram of baby milk.
In laboratory tests, just a few tens of
nanograms of these compounds per litre can skew sex ratios and decrease fertility in fish.
But Prigg says that pyrethroids are so toxic that «if dipped sheep drip while grazing near streams, that can provide the few
nanograms of pesticide per litre of water required to kill freshwater shrimps».
Just 3 minutes later, still by the side of the road, the result comes back: every millilitre of spit contains 5
nanograms of THC, weed's active ingredient.
The breast milk of smoking mothers contains between 2 and 240
nanograms of nicotine per millilitre, which means their babies receive a dose equivalent to 0.3 to 36 micrograms / kg / day.
With incredibly high precision, NDtech can detect any cork with more than 0.5
nanograms of TCA per litre (parts per trillion).
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).
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.
A 2009 study found an increased risk
of accidents for levels
of THC higher than five
nanograms per milliliter
of blood, which some evidence indicates is as impairing as a blood alcohol concentration around the legal limit
of 0.08 percent.
Twelve states don't allow drivers any THC, and five more have set thresholds
of 5, 2, 1 or
nanograms per millilitre.
For blood, the figure is 30,000
nanograms, while saliva, another rich source, contains a tenth
of that.
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.
After adjusting the data for age, sex, race, education, smoking, alcohol use, blood pressure, diabetes, high blood pressure medication, cholesterol levels, statin use and body mass index, the researchers found that those people who met both the recommended activity levels and had vitamin D levels above 20
nanograms per milliliter experienced about a 23 percent less chance
of having an adverse cardiovascular event than those people with poor physical activity who were deficient for vitamin D. On the other hand, people who had adequate exercise but were vitamin D deficient didn't have a reduced risk
of an adverse event.
Curtiss said the Advanced Photon Source allowed the scientists to observe ultralow loadings
of their small clusters, down to a few
nanograms, which was a critical piece
of this investigation.
(A
nanogram is one - billionth
of a gram.)
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 les
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 les
of 30
nanograms per milliliter (ng / mL) or less.
However, both 2,000 and 4,000 IUs restored the desirable levels
of 30
nanograms per milliliter to individuals with previous levels
of less than 20 ng / mL, levels which put them at high risk for bone - weakening rickets and potentially other maladies.
But those exposed to much lower concentrations — 1.1 and 71.4
nanograms — showed even more effects: declines
of 89 and 92 percent.
Phosphane is toxic to human lymphocytes at levels
of a few
nanograms per kilogram.
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 organization now recommends higher blood levels
of the vitamin than the institute suggested — 30
nanograms per milliliter as opposed to 20 — which would require supplements.
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).
Testing on commercial beer and barley showed that the portable instrument detected levels as low as 0.2
nanograms / milliliter
of ochratoxin A and 120 ng / mL
of deoxynivalenol — respectively, the estimated safe limits for these mycotoxins.
As applied to the Initiative, the enhanced sensitivity
of the laser ablation measurement approach will be harnessed for measuring stable isotope content
of nanogram amounts
of RNA samples.
The electrically differentiated cells also produced 80
nanograms per milliliter
of nerve growth factor compared to 55
nanograms per milliliter for the chemically treated cells.
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 therapeutic doses are less than a
nanogram per kilogram
of body weight - compared to milligram - per - kilogram concentrations needed for most pharmaceutical drugs.»
The highest level seen: 257
nanograms per liter
of water.
The new study found levels
of up to 42.7
nanograms per liter
of this insecticide in Iowa rivers.