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Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body. [1][7][2] One nanogram per millilitre (1 ng/mL) is equivalent to 2.5 nanomoles per litre (2.5 nmol/L). Severe deficiency: <12 ng/mL = <30 nmol/L[2] Deficiency ...
Nofal’s toxicology report found THC, the psychoactive compound in marijuana, in his blood at a concentration of 8.2 nanograms per milliliter. Under Ohio law, drivers are considered impaired when ...
Tests on blood taken from the driver's body found a THC concentration of 95.9 nanograms per milliliter, the NTSB said. If such a level of THC, the main chemical component of marijuana, were found ...
Vitamin D toxicity. Cholecalciferol (shown above) and ergocalciferol are the two major forms of vitamin D. Specialty. Endocrinology, toxicology. Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration in adults is 20 to 50 nanograms per milliliter (ng/mL).
The "A260 unit" is used as a quantity measure for nucleic acids. One A260 unit is the amount of nucleic acid contained in 1 mL and producing an OD of 1. The same conversion factors apply, and therefore, in such contexts: 1 A260 unit dsDNA = 50 μg. 1 A260 unit ssDNA = 33 μg.
The medical examiner said the amount of ketamine found in his system was as high as 3,540 nanograms per milliliter. "Levels for general anesthesia are typically in the 1,000-6,000 ng/ml ranges ...
Cannabis. Two main questions arise in the law surrounding driving after having ingested cannabis: (1) whether cannabis actually impairs driving ability, and (2) whether the common practice of testing for THC (the main psychoactive substance in cannabis) is a reliable means to measure impairment. On the first question, studies are mixed.
Cannabis intoxication limits vary by state — anywhere from zero to 5 nanograms per milliliter of blood. But most clinical researchers say those numbers don’t correlate with impairment. “What ...