The phrase "and has verified" is correct and usable in written English.
It can be used when indicating that someone has confirmed or validated information or a fact.
Example: "The researcher conducted the experiment and has verified the results through multiple trials."
Alternatives: "and has confirmed" or "and has validated".
According to The Daily Nation, Kenya's largest newspaper, Tanzanian officials have tested the herbs in the concoction and have verified that it is safe to drink.
The flow patterns are visualized by these analyses and have verified the mechanism between the modified attack angles and their resultant aerodynamics.
We had developed a vertical two-dimensional (2D) analysis code based on this method, and had verified its validity (Nagashima et al., 2008).
In addition, we have identified several novel TGF-β-regulated genes, and have verified these results in northern blotting experiments.
Here, we have expanded this analysis and have verified many individual microRNAs whose abundance changes with replicative senescence.
We have found evidence of altered expression of several genes and pathways and have verified that the Hedgehog signaling pathway is comparatively downregulated in the poor responding group.
We have purchased 250 pedometers and have verified the accuracy of each pedometer by comparing the pedometer reading with 20 counted steps.
Barry Glassman, a financial planner in Washington, noticed these funds' superior performance in the past three years, and Morningstar Inc. has verified his findings and has calculated that the trend holds up over a longer term.
The ethics committee of Ulm University has verified and agreed on the study protocol in January 2009 (Application No. 318/08).
In line to these, the bioactive constituents of Indigofera spicata has verified cytotoxic and antioxidant activities in vitro [ 23].
