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Protein Unit

Known as: PROTEIN NITROGEN UNITS, Protein Nitrogen Unit, [PNU] 
An unit used to quantitate protein nitrogen in acid precipitate samples based on micro-Kjeldahl measurement. One protein nitrogen unit represents 0… 
National Institutes of Health

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Potency Unit

Papers overview

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Highly Cited
2009
Highly Cited
2009
Structure of active IspH enzyme from Escherichia coli provides mechanistic insights into substrate reduction.
Highly Cited
1993
Highly Cited
1993
Heparin inhibits the immediate response to antigen in the skin and lungs of allergic subjects.
Although heparin is used as an anticoagulant, its biologic function remains unclear. Substantial evidence exists that suggests it… 
1980
1980
A multi-institutional trial of polymerized whole ragweed for immunotherapy of ragweed allergy.
Highly Cited
1979
Highly Cited
1979
The late phase skin reaction: evidence for activation of the coagulation system in an IgE-dependent reaction in man.
The late phase reaction (LPR), an IgE-dependent sequel to the wheal and flare response (WFR), was studied in ragweed (RW… 
1978
1978
Allergenic and biologic activity of commercial preparations of house dust extract.
1978
1978
Poylmerized whole ragweed: an improved method of immunotherapy.
Highly Cited
1977
Highly Cited
1977
Measurement of the absolute levels of IgE antibodies in patients with ragweed hay fever.
Highly Cited
1976
Highly Cited
1976
Studies on Alternaria allergens. II. Measurement of the relative potency of commercial Alternaria extracts by the direct RAST and by RAST inhibition.
Highly Cited
1973
Highly Cited
1973
The potency and Group I antigen content of six commercially prepared grass pollen extracts.
1973
1973
Effect of immunotherapy in chronic asthmatic children.
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