The phrase "activate and improve" is correct and usable in written English.
You can use it in contexts where you want to express the idea of starting or initiating something and then enhancing or making it better.
Example: "Our goal is to activate and improve our community outreach programs to better serve the needs of local residents."
Alternatives: "initiate and enhance" or "start and upgrade".
It is believed that the chalcone compounds of the plant play an important role in the treatment since they may activate tyrosinase and improve melanin production.
Although type I IFNs activate macrophages and improve the immune function of macrophages, our data found endogenous type I IFNs do not significantly decrease viral replication in infected MDM cultures (data not shown).
This suggests that macrophages have the ability to activate fibroblasts and improve the range of data showing macrophages as an important mediator of PDA progression and gemcitabine resistance.
Besides, pitavastatin but not atorvastatin activated eNOS and improve in vitro function of EPCs.
Even though several CAM agents have been shown to activate NK-cells and improve NK cell activity, the precise mechanism is not clearly defined.
For example, nanofibrous scaffolds incorporated with PDGF have been shown to activate cytokine signaling and improve angiogenesis during wound repair in rats [ 59].
However, in this study, the anti-radical effects of AS activated eNOS and improved the decreased SOD activity caused by NO.
The active extracts and constituents of TT could improve sexual function through activating aphrodisiacs and improving fertility in men.
Thermal treatment by steam or by methane plus steam altered the physicochemical properties of a commercial lignite-based activated carbon; and improved the carbon's sorption capacity for the odorant 2-methylisoborneol (MIB).
In this study, we found that resveratrol also activated Sirt1 and improved mitochondrial function in the ALS mice.
