The phrase "been much less explored" is correct and can be used in written English.
It is usually used when comparing something that has been more explored to something that has been less explored. For example: "The impact of climate change on the North Pole has been much less explored compared to the South Pole."
Another possibility that has been much less explored is reproductive character displacement, also called reinforcement of reproductive barriers, a pattern of greater divergence of a trait between closely related taxa in areas of sympatry than in areas of recent contact following allopatric divergence [87].
The room temperature gaseous ammonia pretreatment has been much less explored.
Indeed, while this is a known phenomenon in plant cells [ 36], the light-dependent redistribution of mitochondria along actin or microtubule has been much less explored in mammalian cells.
The last two elements have been explored in studies on residents' experiences with errors [ 1- 8], whereas the first element - the individual profile of the resident - has been much less explored.
Furthermore, as recently reported by our research group, photocatalysis is extended to organic transformations, which have been much less explored compared to transformations of small inorganic molecules mentioned above.
Symbolic material has been much less explored than nonsymbolic material as regards exogenous attention to emotional distractors.
Currently, most researches focus on either passive fouling-resistant, fouling-release mechanisms or active antibacterial mechanism, the integration of active and passive antifouling mechanisms is much less explored.
While there are many experimental results about feedback loops involving miRNAs [ 35- 40], the role of FFLs involving miRNAs is much less explored.
Tropical biomes have also been shown to have undergone complex ecological dynamics following worldwide Pleistocene climate changes [ 3], but their genetic signatures in present-day natural populations are much less explored.
Therapeutic application of PIs in an autoimmune disease setting is much less explored, despite a clear rationale of (immuno) proteasome involvement in (auto antigen presentation, and PIs harboring the capacity to inhibit the activation of nuclear factor-κB and suppress the release of pro-inflammatory cytokines such as tumor necrosis factor alpha and interleukin-6.
Although it has been reported that monovalent K+ ions can stabilize the TBA architecture effectively [13], the effects of divalent ions have been much less well explored.
