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nanogram

Known as: ng, nanogram(s), nanograms 
A measure of weight. One nanogram weighs a billion times less than one gram, and almost a trillion-times less than a pound.
National Institutes of Health

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2 relations
Clinical Data Interchange Standards Consortium TerminologyICH Unit of Measure Terminology

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Highly Cited
1985
Highly Cited
1985
Detection of O6-monoacetylmorphine in urine samples by GC/MS as evidence for heroin use.
A method for qualitative and quantitative detection of nanogram amounts of O6-monoacetylmorphine (MAM) in urine samples of heroin… 
1982
1982
Selective blockade of human natural killer cells by a monoclonal antibody.
A murine monoclonal antibody, 13.1, which blocks human natural killer (NK) cell-mediated lysis, has been developed. Hybridoma 13… 
Highly Cited
1979
Highly Cited
1979
Selective staining by 4', 6-diamidine-2-phenylindole of nanogram quantities of DNA in the presence of RNA on gels.
4', 6-Diamidine-2-phenylindole.2HCl (DAPI) forms fluorescent complexes with double-stranded (ds) DNA but not with ds RNA as shown… 
Highly Cited
1977
Highly Cited
1977
The quantitation of fluorescence by photography.
A method based on theory has been developed for the photographic quantitation of fluorescent substances. DNA stained with… 
Highly Cited
1977
Highly Cited
1977
Separation and determination of nanogram amounts of inorganic arsenic and methylarsenic compounds.
Highly Cited
1977
Highly Cited
1977
Effects of handling, decapitation, anesthesia, and surgery on plasma noradrenaline levels in the white rat.
To determine the normal resting level of plasma noradrenaline (NA) in unanesthetized and undisturbed white rats, 20 warm… 
1974
1974
Analysis of twelve amino acids in biological fluids by mass fragmentography.
Description of a computerized method for the simultaneous quantitation of 12 amino acids in biological fluids using the technique… 
1972
1972
The assay of cholesterol sulfate in biological material by enzymatic radioisotopic displacement.
A technique is described for the measurement of cholesterol sulfate (CS) which is based upon the displacement of labelled CS from… 
Highly Cited
1972
Highly Cited
1972
Determination of nanogram quantities of simple and complex cyanides in water.
1971
1971
A chromatographic-fluorometric procedure for the determination of nanogram quantities of antileprotic sulfones.
Abstract To determine the nanogram quantities of dapsone and its monoacetylated and diacetylated derivatives in plasma…