Skip to main content
ng

ng

16 8.9
A unit of mass equal to one billionth of a gram
  • noun
  • Specialized
translation icon : nanogramo
  • Plasma histamine was increased in all patients before treatment, mean 2.32 (0.11) ng/mL (normal <1.0).
  • 100 ng
  • 0.1 ng
  • concentration of ng

Examples

  • All the final working concentration of cytokines in the differentiation medium was 20 ng/ml as used before.

    Academic text (2018)
  • Samples were amplified at concentrations ranging from 0.03125 ng to 5 ng in duplicate.

    Academic text (2007)
  • Most of the papers analyzed contained less than 0.1 ng of arsenic, and none contained more than 10 ng.

    Academic text (1995)
  • The functional sensitivity for testosterone was 10 ng/dL; for statistical purposes, results below the LOQ were set at 5 ng/dL.

    Academic text (2014)
  • The 25-hydroxy vitamin D level on liquid chromatography was 20.8 ng/ml (normal: 32 to 100).

    Academic text (2008)
  • Cells were treated with 10 ng/ml LPS and/or 100 nM Dex for appropriate durations as specified in the experimental design.

    Academic text (2017)
  • The sample contained 250 ng of the substance.

  • The doctor explained that the safe dosage in the blood should not exceed 70 ng per milliliter.

  • Each tablet has a concentration of 100 ng of the active ingredient.

Synonyms

nanogram
vsng
  • Specialized
2 6.7

A unit of mass equal to one billionth of a gram

is the shortened written form of that unit

Surface Forms

ng singular
ngs plural

Etymology

Ng is short for nanogram, where nano- means 'very small' and gram is a unit of weight, so an ng is a tiny amount equal to one billionth of a gram. So, when you see ng in medicine or science, it tells you the substance is present in a very small amount.