Sentence examples for preparation a negative from inspiring English sources

During sample preparation, a negative control, a positive control, and the accuracy test samples, all nonsmoker's urine with or without [D4] 4, were included with each set of smokers' urine samples.

A second 5 μg aliquot from the same protein preparation, a negative control sample, and the NeutrAvidin purified peptides were analyzed by LC/MS/MS on the QTRAP 2000 mass spectrometer (Applied Biosystems) at the University of Nebraska Medical Center with Analyst 1.4.1 software.

Nitric acid used during sample preparation showed a negative effect on Bi determination by HG AFS, and a drying step was required after digestion.

During the preparation phase, a negative energy balance leading to increased energy store utilization might be desirable by coaches and athletes to reach a sport-specific body composition, but during the competition phase, body composition should not be modified anymore since it is typically already at its optimum.

The increased incidence of secondary or tertiary dentine deposition, pulp stones, and internal/dystrophic calcification with age could result in canal obliteration, posing a challenge to optimal root canal preparation with a negative effect on healing outcome.

Such slow bioresorption may indicate that either the understanding of the properties of bone-derived BAp is incomprehensive or the treatment process of BAp preparation has a negative influence on its properties, or both.

The normal human IgG preparation used as a negative control was commercially available (Subcuvia™, Baxter, Vienna), and was also diluted with phosphate-buffered saline (PBS) to an IgG concentration of 10 mg/ml prior to use.

All of them came from cities of the Silesian macroregion cities. Subgroup GA (gel preparation with 3% EEP-B) included seven patients (three men and four women), while subgroup GC (gel preparation without propolis as a negative control) included the same number of seven patients (four men and three women).

The 200-mM imidazole eluent of the EVP preparation was used as a negative control in the experiments.

Group size and student preparation appeared to have a negative relationship with teaching performance.

However, despite of the potential to improve palatability, the need for product preparation may actually have a negative impact on the overall acceptability of the product as shown in recent studies [44,45].