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.
Dan teknologi ini sangat menjanjikan, tapi masalahnya mereka tidak efisien, atau cukup sulit untuk digunakan. Dan sebagian ilmuwan tidak menggunakannya di laboratorium mereka sendiri, atau pastinya aplikasi klinis.