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Discover LudwigThe phrase "a preparations" is not correct in written English.
The correct form would be "preparation" or "preparations" without the article "a" preceding it.
Example: "We need to make preparations for the upcoming event."
Alternatives: "some preparations" or "a preparation".
Exact(13)
Expression of the hmfA gene in E. coli cells grown in the presence of trimethoprim and thymidine, coupled with the concurrent over-expression of a methionine aminopeptidase-encoding map gene, has been shown to overcome this N-terminal heterogeneity problem and to result in rHMf A preparations in which >85% of the molecules have the fully processed, native N-terminal sequence.
The most common uses of this technique are (a) preparations of welded joints, (b) removal of welding defects, and (c) removal of welding and joints of structures.
In the ensuing chase, Howard runs into a preparations room for the parade and is mistaken for the actor who will play Turbo-Man on a parade float.
Jim Hunt, the Governor of North Carolina, declared a state of emergency, with the state's emergency management team switching from a recovery objective towards a preparations mission.
Both botulinum toxin type A preparations were well tolerated and effective in the treatment of upper facial lines.
Synthetic vitamin A preparations, such as vitamin A palmitate, are available and are often used to supplement rations low in fish meal, fish viscera, or carotenes.
Similar(47)
SP-A binding assays using Escherichia coli HB101 were used to validate the binding activity of all SP-A preparations used in this study.
SP-A binding assays using Escherichia coli HB101 were performed to confirm the binding activity of all SP-A preparations (results not shown).
All SP-A preparations were assayed for endotoxin contamination using the Limulus amebocyte lysate assay (BioWhittaker, Rockland, ME) per the manufacturer's instructions.
The ratio of moles dye per mole of protein was quantified and SP-A preparations with labeling efficiencies between 4 and 10 were used for binding assays.
BoNT-A preparations available in the UK are associated with different costs.
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