'has been particularly interested' is correct and usable in written English.
You can use it in a sentence to describe an intense level of interest in something. For example, "She has been particularly interested in understanding the dynamics of the stock market."
As a historian, Starkey has been particularly interested in young monarchs — his book "Elizabeth I" focusses on that queen's early years.
These are the costs for the Yankees' procedural aggressiveness, for placating the championship obsession of Steinbrenner, who has been particularly interested in Canseco in recent years.
Lately, she has been particularly interested in hydraulic fracturing, or fracking, the natural gas collection technique that has been the subject of controversy over its environmental and chemical impact.
He has been particularly interested in techniques based on wavelets -- modern versions of the sine and cosine waves that mathematicians use to compress data and tease out signal from noise to reveal the structures of cyclical phenomena.
Analysts said the action was intended to further frustrate Mr. Simmons, who already owns 20.4percentt of the company and has been particularly interested in acquiring NL's chemical holdings.
Throughout a consulting career rooted in Operational Research and spanning a broad range of industries from Aerospace to Environmental Management, she has been particularly interested in finding novel ways to deploy systems perspectives in support of decision making in complex, unprecedented situations.
ChartBlog: Has there been a big story that you've been particularly interested in?
"Three-D has always been something we, in the audience, have been particularly interested in," said Jeanine Basinger, chairwoman of the film studies department at Wesleyan University.
The investors have been particularly interested in office buildings in Manhattan, acquiring such properties as 1211 Avenue of the Americas and 95-99 Wall Street, according to Jones Lang LaSalle.
