The phrase "are needed for optimal" is correct and usable in written English.
It can be used when discussing requirements or necessities for achieving the best possible outcome in a given context.
Example: "Certain resources are needed for optimal performance in this project."
Alternatives: "are essential for maximum" or "are required for ideal".
Lignocellulosic hydrolysates generally lack some of the key nutrients that are needed for optimal yeast growth and stress tolerance.
Coordinated interactions between helper and cytotoxic T-lymphocytes (HTL and CTL) are needed for optimal effector cell functions and the establishment of immunological memory.
Milk is the principle source of calcium; 800 mg per day -- the equivalent of three cups of milk -- are needed for optimal bone mineralization, studies show.
These results, along with the supportive activities of Peak 3 "fingerless" fragments and the mix of 160- and 180-kDa tryptic fragments, provide evidence that 1F3 and the C-terminal modules are needed for optimal activity.
As previous studies including those from our laboratory have demonstrated that IFN-γ producing CD8+ T cells play a crucial role in maintaining long-term immunity against T. gondii [4], [19], we determined if presence of both IL-7 and IL-15 are needed for optimal induction of this subset in response to antigenic stimulation.
This indicates that additional factors are needed for optimal activity.
A relatively higher kVp is needed for optimal tissue penetration to optimize coronary imaging, while a lower kVp is useful to improve sensitivity for the detection of small differences in myocardial enhancement.
It was asked to examine the available data — nearly 1,000 publications — to determine how much vitamin D and calcium people were getting, how much was needed for optimal health and how much was too much.
Adequate monitoring of patients using lithium is needed for optimal dosing and for early identification of patients with (potential) ADEs.
Adequate monitoring of patients using lithium is needed for optimal dosing and early identification of patients with (potential) ADEs.
The results showed that a greater ECM degradation coefficient was needed for optimal cell migration to occur for the local process and that cell ECM tractions were larger.
