was obtained from Sultan Inc. A spectroscope (4) has been / wasused by many authors, but we (5) have decided / decidedto opt fora RESULTS AND DISCUSSION : A TSP gradient (6) has been / was used to separate the components. This mobile phase (7) has eluted / eluted the peaks of interest successfully the peak shapes of the later eluting analytes (8) have been / were particularly wide. In fact they (9) have been / were three times wider than in Li, 2016]. CONCLUSIONS : This method (10) has been / was able to identify both carbohydrates and electric fields in many different cell culture media samples. The method is reproducible and could be applied in many other contexts, for instance 1. have been 2. were 3. was 4. has been 5. decided 6. was 7. eluted 8. were 9. were 10. was
