english: And these technologies were very promising, but the problem was that they were either inefficient, or they were difficult enough to use that most scientists had not adopted them for use in their own laboratories, or certainly for many clinical applications.
non_english: One su mnogo obećavale, ali je problem bio što nisu bile efikasne ili su bile toliko složene za upotrebu da ih većina naučnika nije usvojila u svom radu u laboratorijama, a kamoli za kliničke primene.