The phrase "a sufficient quantity for" is correct and usable in written English.
It can be used when discussing the adequacy of an amount needed for a specific purpose or requirement.
Example: "We need to ensure that we have a sufficient quantity for the upcoming event to meet the demands of our guests."
Alternatives: "an adequate amount for" or "enough for".
To obtain a sufficient quantity for enzyme purification, overexpression of the IntI1 protein was performed in the BL21 E. coli bacterial strain at 25°C for 4 hours after 1 mM IPTG induction.
This was largely a result of insufficient amounts of pollen collected from CCD-affected colonies (n = 7), leading to combining colony samples to obtain a sufficient quantity for analysis (n = 3).
Necessary instruments and materials were packaged and sterilized in a sufficient quantity for each day of work.
The 20 mL volume also provided a sufficient quantity for daily sampling for quantitative culture (see below).
About 250 g cream sample was prepared in order to get a sufficient quantity for performing the various tests.
The isolated RNAs from the immunopositive samples were pooled together, as were the RNA extracted from the five immunonegative tissues, to collect a sufficient quantity for the subsequent gene expression analysis.
If one is already lacking the sense that the world is perfect and has come to accept that there are no consolations to be had for suffering and loss, perhaps moments of Darwinian enchantment supply a sufficient quantity of wonder for a satisfying life.
The sample selection in this study was limited by a number of variables, first and foremost the availability of a sufficient quantity of serum for proteomic analysis.
SmartAmp2 allows the analysis of mutations in many subjects, even newborns, from whom it is difficult to obtain a sufficient quantity of blood for genetic analysis.
The overall amount of cDNA is greatly reduced during normalization, making PCR amplification necessary to produce a sufficient quantity of cDNA for 454 sequencing.
The study was performed on DNA from barley shoot organs; this model enables us to obtain a sufficient quantity of material for fractionation of nuclear structures.
