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.
Y estas tecnologías eran muy prometedoras, pero el problema resultaba que eran tan ineficaces, o tan difíciles de usar que muchos científicos no aprobaban su uso en sus propios laboratorios, o así también su uso en muchos aplicaciones clínicas.