The phrase "a useful component in" is correct and usable in written English.
It can be used when discussing the role or function of something within a larger system or context.
Example: "The new software serves as a useful component in our overall strategy for improving productivity."
Alternatives: "an essential part of" or "a valuable element in".
Specific activation of CD4+ T-helper cells using class II H5N1 HA peptide vaccines may be a useful component in immunization strategy and design.
The Acacia lignin is a useful component in preparation of gelatin based films.
DNA separation is required to be rapid to be a useful component in DNA analysis devices.
Moreover, it is potentially a useful component in the fabrication of sensors, field emitters, lithium-CuO electrochemical cells, cathode materials, and high Tc-superconductors [4, 5].
The document predisposed by a multidisciplinary group of experts represents a useful component in the efforts made in Italy in the past decade.
Therefore, we propose that 5 wt% silica content may serve as a useful component in calcium phosphate-based bone cements owing to its ability to promote osteoblast differentiation.
The discrete wavelet transform is again shown to be a useful component of the toolset in coupling process variables in the context of the discrete defining events associated with assembly evolution.
Preliminary user evaluations indicate that OM and the associated services provide a useful component for software applications in science and engineering.
Moving forward, it is argued that proton transfer should always be considered as a possible useful component in the design of electrochemically controllable H-bonding systems.
In this regard, a potentially useful component in biomaterials for bone tissue engineering is strontium, which acts as cationic active agent, triggering certain intracellular pathways and acting as so called dual action bone agent which inhibits bone resorption while stimulating bone regeneration.
This would resemble the use of TST conversion to identify persons of increased risk-such as, for example, the periodic screening of health care workers which although far from ideal remains a useful component of TB control programmes in many countries.
