'an explosion of studies' is a correct and usable phrase in written English.
You can use it to refer to a large increase in the number of studies being conducted in a particular field. For example, "In the past decade, there has been an explosion of studies into the effects of artificial intelligence on the global economy."
During the last two decades, there has been an explosion of studies assessing the quality of life.
Since their characterization in C. elegans [2], [3], there has been an explosion of studies revealing fundamental and critical roles for miRNAs in virtually all aspects of cell biology.
Advances in genotyping technology led to an explosion of studies to identify genes of interest using classical genetic approaches [ 1].
There has been an explosion of studies of mtDNA diversity in insects associated with DNA barcoding programmes [ 28].
There has been an explosion of studies evaluating these rapid tests, and systematic reviews and meta-analyses are necessary to synthesize this growing body of literature.
The completion of the Human Genome draft in 2000 has been accompanied by an explosion of studies examining genetic determinants of disease [ 1, 2].
The past few years have seen an explosion of phylogenomic studies, thanks to an ever-increasing sequencing power and availability of complete genomes.
The falling cost of massively parallel sequencing systems will lead to an explosion of similar studies involving other tumour types in the coming years.
Recognition of this fact has led to an explosion of epidemiological studies searching for common polymorphisms in genes that might represent susceptibility alleles [ 3, 4].
The discovery of multiple new classes of agents for the treatment of diabetes 3 has resulted in an explosion of research studies requiring frequent updates to treatment guidelines.
The subsequent development of magnetic resonance imaging (MRI), in association with the dramatic increase in computational capabilities including computerized image analysis, led to an explosion of neuroanatomical studies of brain structure in mental illness.
