Sentence examples for known negative from inspiring English sources

A known positive (P) and a known negative (N) serum control were used in every test.

All known positive samples tested positive for antinuclear antibodies, and all known negative samples tested negative.

It can't be a rehash of a known negative.

The assay and sample preparation chip were then validated using known positive and known negative clinical samples.

In spite of its known negative effects on brain development, phenobarbital is the most commonly used drug for neonatal seizures.

Species were classified as alien, invasive (having known negative impact on biodiversity) or extralimital, using standard definitions.

Because of the small dimension for culture space, Paramecium does not accumulate at the top of the chamber in spite of its known negative gravitactic behavior.

Dr. Meier said that there were well-known negative effects of early sex, like early pregnancy and sexually transmitted diseases.

Particulate matter (PM) has well-known negative health effects on humans.

This conceptual and institutional framework has well-known negative effects still strong until today.

Non-steroidal anti-inflammatory drugs (NSAIDs) are common analgesic drugs that also cause well-known, negative gastrointestinal (GI) side effects.