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Nanogram per Kilogram

Known as: Yoctogram per Picogram, Femtogram per Milligram, ag/mcg 
A unit of mass fraction expressed as a number of nanograms of a substance per kilogram of the mixture. The unit is also used as a dose calculation… 
National Institutes of Health

Papers overview

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2012
2012
Effects of continuous intermedin infusion on blood pressure and hemodynamic function in spontaneously hypertensive rats
Objective To examine the effects of exogenously administered intermedin (IMD, adrenomedullin-2) on arterial blood pressure… 
2005
2005
Analysis of organochlorines in harbor seal (Phoca vitulina) tissue samples from Alaska using gas chromatography/ion trap mass spectrometry by an isotopic dilution technique.
A gas chromatography/ion trap mass spectrometry (GC/ITMS) method was developed for the determination of organochlorine pesticides… 
1998
1998
Subchronic Effects of Sodium Selenite and Selenomethionine on Several Immune-Functions in Mallards
The subchronic effects of selenomethionine (SeM) and sodium selenite (SeL) on several immunologic, hematologic, and serologic… 
1998
1998
Simulation of an Epidural Test Dose with Intravenous Isoproterenol in Sevoflurane- and Halothane-Anesthetized Children
Isoproterenol has been suggested as an alternative marker for epidural test dosing in children receiving halothane anesthesia.The… 
1996
1996
Distribution of uric acid in the fractions obtained from experimental milling of wheat infested with granary weevil larvae
To determine the fate of uric acid during wheat milling, samples of hard red winter wheat were inoculated with kernels containing… 
1988
1988
5HT3 receptor‐mediated vasodilation in the human forearm
The role of neuronal 5HT3 receptors in the vascular response induced by serotonin (5-hydroxytryptamine, 5HT) was investigated in… 
Review
1986
Review
1986
Determination of nanogram/kilogram levels of polycyclic aromatic hydrocarbons in foods by HPLC with fluorescence detection.
Methodology was developed for the determination of eight polycyclic aromatic hydrocarbons (PAH) in five food categories including… 
1983
1983
Radioimmunoassay of hexoestrol residues in faeces, tissues and body fluids of bulls and steers
A fast, reliable and sensitive radioimmunoassay method using either 3H-hexoestrol or a 125I-hexoestrol derivative as the… 
1976
1976
Factors influencing results for thyroxine concentration in blood, as measured in paper filter spots in a screening program for neonatal hypothyroidism.
To reduce the number of false-positives in our screening program for neonatal hypothyroidism, we investigated the effect of age… 
1973
1973
Meridional distribution of tropospheric ozone from measurements aboard commercial airliners
Aboard commercial airliners twenty registrations of the ozone concentration of the upper troposphere were carried out within a…