The phrase "a significant amount however" is not correct as it lacks proper punctuation or conjunction to connect the ideas.
You can use it when you want to contrast a significant amount of something with another idea, but it needs to be restructured for clarity.
Example: "There was a significant amount of data collected; however, the analysis was incomplete."
Alternatives: "a considerable amount nonetheless" or "a substantial amount but".
Under normal conditions, the placenta is the only tissue that expresses GDF15 in significant amounts; however, small amounts of GDF15 mRNA can be detected in a few other tissues, including the kidneys, pancreas, prostate and colon (Fairlie et al, 1999).
Looking into Fig. 6, one can see that the reconstruction by bicubic technique shows a significant amount of blur; however, the reconstructed images by the algorithm of Yang et al. [11] are slightly clearer than the bicubic technique.
Planning and conducting effective supplier design, and manufacturing audits require pre-planning and a significant amount of work, however, it is certainly worth the effort in terms of increased profits and reduced project schedule.
Individual cells exhibit a significant amount of variability however, both in terms of firing frequency within and between trials of working memory tasks and may even exhibit different patterned behaviors from trial to trial [5].
Ms Poynter did however confirm that a significant amount of money still needed to be raised.
Dealing with all these problems of VTs requires a significant amount of group facilitation However, Pauleen and Yoong (2001) found that there is not much research about different aspects of developing effective strategies for VT facilitation.
A significant amount of its funding, however, appears to come from a relatively small number of entities.
However, a significant amount of manual intervention is still required to go from a set of contigs to fully contiguated sequence.
However, a significant amount of m-IL-1β is still resistant to proteinase K treatment in FIP200 cells.
Mr X's enterprise was created to facilitate exports to China; however, a significant amount of the output is of too low a quality to be sold to China and has to be sold domestically.
