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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

Papers overview

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Highly Cited
1985
Highly Cited
1985
A method for qualitative and quantitative detection of nanogram amounts of O6-monoacetylmorphine (MAM) in urine samples of heroin… 
1982
1982
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
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
A method based on theory has been developed for the photographic quantitation of fluorescent substances. DNA stained with… 
Highly Cited
1977
Highly Cited
1977
Highly Cited
1977
To determine the normal resting level of plasma noradrenaline (NA) in unanesthetized and undisturbed white rats, 20 warm… 
1974
1974
Description of a computerized method for the simultaneous quantitation of 12 amino acids in biological fluids using the technique… 
1972
1972
A technique is described for the measurement of cholesterol sulfate (CS) which is based upon the displacement of labelled CS from… 
1971
1971
Abstract To determine the nanogram quantities of dapsone and its monoacetylated and diacetylated derivatives in plasma…