Strong negative correlation between two posterior pk values implies that one source is simply being traded off against the other and the model is unable to isolate the contribution of either in isolation.
When cells from the pleural effusion were plated directly into regular culture flasks in DMEM media containing fetal bovine serum, we were unable to isolate tumor cells indicating that initially culturing in suspension was necessary for their isolation.
But researchers had been unable to isolate the reasons for the divergence.
Regarding the case study, current field data is unable to isolate a process variable that can reliably predict sudden component failure.
He also suspected that black magnesia contained a new mineral (manganese), but he was unable to isolate it.
They were so focused on the key arguments that they were unable to isolate the writing itself, address its particular weaknesses, and convert it into a tool that could enhance rather than confuse their ideas.
Empirical research comparing online and offline consumer behavior has traditionally been based on comparisons between different sets of consumers, and therefore has been unable to isolate the effect of the Internet on consumer behavior from consumer-specific effects.
In spite of his conviction that penicillin was a potent antibacterial agent, Fleming was unable to carry his work to fruition, mainly because biochemists at the time were unable to isolate it in sufficient quantities or in a sufficiently pure form to allow its use on patients.
He also speculated on the possibility of an existential intelligence (a concern with "ultimate" issues, such as the meaning of life), although he was unable to isolate an area of the brain that was dedicated to the consideration of such questions.
Michael Tlusty, a biologist at the New England Aquarium, in Boston, has spent years studying it, yet has been unable to isolate a specific bacterium or other pathogen routinely from the lesions.Kathy Castro, a fishery scientist at the University of Rhode Island, led an eight-year study of shell disease.
