The phrase "a separate preparation" is correct and usable in written English.
It can be used when referring to a distinct or individual process of preparing something, often in contexts like cooking, planning, or organizing.
Example: "For the event, we will need a separate preparation for the vegetarian dishes to accommodate all guests."
Alternatives: "an individual preparation" or "a distinct preparation".
Measurement of intramyocellular lipid content would have strengthened the study but would have required a separate preparation and thus much larger biopsies.
A separate preparation was necessary to obtain samples of the adhesive interface layer suitable for analysis by X-ray diffraction.
A separate preparation of this material was analysed by Western immunoblotting with anti-FasL antibody, since it has been implicated in suppression of CD3- ζ, induction of T-cell apoptosis and exhibits molecular weight forms at these molecular weights.
In this study, two preparation methods were compared, namely the co-preparation of an siRNA/pDNA/liposome lipoplex (Method I) and the separate preparation of an siRNA/liposome lipoplex and a pDNA/liposome lipoplex (Method II).
The buffer preparation, DNA extraction and setup of PCR were done in a second room, which had a separate PCR preparation hood (PCR-Workstation, peQLab, Biotechnologie GmbH).
The sample preparation is less laborious because incorporation of sequencing adapters during capture obviates the need for a separate library preparation step.
With each image requiring a separate chemical preparation in the darkroom and a long exposure time, he could photograph British officers in open-air staff meetings or common soldiers tending the cannons only after asking them to stand or sit together, follow his directions, and hold still.
For the prediction of external data, such a separate data preparation procedure may be suitable in some situations, for example when the external data behaves very differently from the training data: by a separate processing the data preparation procedure can adjust itself to the peculiarities of the external data; see e.g. [ 16].
The patient counseling rooms were also used to administer injections, although they were not well-equipped enough for an injection procedure as they lacked safety boxes, a separate injection preparation area, and running water.
Given the bulk separate preparation methods, it is likely that this age is affected by excess argon contained in abundant melt inclusions within phenocrysts and along grain boundaries (Owens et al. 1999).
The restaurant has separate preparation lines for white meat and red meat in the giant kitchen.
