Many of them have yet to progress beyond laboratory prototypes.
The system has progressed beyond laboratory simulations and is being tested on the road.
Currently, the development of such devices does not extend beyond laboratory research.
Consequently, they often do not adequately reflect long-term operating conditions, which are well beyond laboratory test conditions.
By doing so, researchers can strengthen internal validity weaknesses associated with surveys and interviews, and increase ecological validity beyond laboratory experiments.
Study of cell-free VLP assembly has yet to progress beyond laboratory-based dialysis methods, which are slow and buffer intensive, and are thus difficult to scale.
However, a LIL tool for the nanoscale structuring of materials that can scale beyond laboratory prototypes into cost effective industrial processes is not yet defined.
Reacting to a report in Nature last week that Scottish researchers had cloned a sheep from a cell taken from an adult ewe, Clinton said, "Each human life is unique, born of a miracle that reaches beyond laboratory science.
Bossart et al. (1998) and Trainer and Baden (1999) extended their research beyond laboratory animal models to study the effect of K. brevis and brevetoxins on Florida wildlife.
Beyond laboratory-confirmed cases, an unknown burden of unconfirmed cases exists, since some persons do not present for care or receive a lumbar puncture, others have received pretreatment with antibiotics, and laboratory limitations may prevent etiologic identification.
