Significados de positive controls en inglés

Ovx placebo and sham operated animals served as negative and positive controls.

The presence of silicone oil droplets was observed in all positive controls.

Negative controls received saline, and positive controls received one dose of BCG vaccine.

A total of 11 tissue specimens of MCC were used as positive controls.

Rats subjected to hypotension with cerebral ischemia served as positive controls.

Negative and positive controls were used in all the experiments.

In amyloid- positive controls, no clear patterns in correlations were observed.

Group II and VI were maintained as Cd exposed non treated control to serve as positive controls.

PMS2 NGS analysis of the eight positive controls identified single-nucleotide variations not detected with targeted referent methods.

Additionally, 30 patients with active or treated tuberculosis (TB) serving as PPD-responsive positive controls were studied.

However, this relationship has not been well studied in mild cognitive impairment (MCI) or amyloid- positive controls.

There is a need for reagents that can be used as positive controls and for optimizing and standardizing the assay.

Using these assays, we conducted RT-PCR with serially diluted DNA positive controls to assess and compare the detection sensitivity of the three assays.

Results: All samples from units taken prior to inactivation either demonstrated positive plate culture counts, or, in untreated positive controls, were culture-positive during storage.

Special attention was devoted to define proper negative and positive controls (8 different types) for our in vitro models, including healthy sputum co-culture.

Wild-type hearts responded to ROS challenge with a profound decline in contractile function that was ameliorated by co-administration of catalase or dexrazoxane as positive controls.