The phrase "are needed to optimize" is correct and usable in written English.
It can be used when discussing requirements or necessities for improving efficiency or performance in a particular context.
Example: "Additional resources are needed to optimize the workflow and enhance productivity."
Alternatives: "are required to enhance" or "are essential for improving".
Owing to the remaining controversy about optimal hemoglobin thresholds for transfusion in sepsis resuscitation, additional data are needed to optimize practices at the bedside.
More extensive, multidisciplinary research teams are needed to optimize emissions-control measures for human health6.
Improved methods such as radiofrequency identification (RFID) are needed to optimize specimen tracking in anatomical pathology.
Further prospective studies are needed to optimize treatment of these advanced and recurrent forms.
Continued studies are needed to optimize, and understand limitations of, each of the two electrodes to obtain improved cell performance.
Further studies of ECD organs and their recipients are needed to optimize the use of these scarce resources.
Thus microalgae growth models are needed to optimize the carbon dioxide consumption by microalgae in engineered systems such as photobioteactors.
We will examine what policies are needed to optimize the care of such patients and whether systems can be designed to better serve their needs.
Given that template copy numbers of viruses in latent infections can be very low, extremely sensitive PCR assays are needed to optimize detection efficiency.
In order to provide a higher and more stable pollutants degradation effect, further studies are needed to optimize the ditch structure design and examine ecosystem dynamics.
However, because of the high costs of injected gases, efforts are needed to optimize the process by selection of proper gas type (or gas combinations) and suitable injection scheme.
