"a particular hallmark" is a correct and usable phrase in written English.
It is typically used to refer to a distinctive feature or characteristic that is well-known and recognized as being associated with a particular person, place, or thing. Example: "The use of bold, bright colors is a particular hallmark of the artist's style, making their paintings instantly recognizable."
A particular hallmark of earworms, Stewart discovered, is the presence of passages with closely spaced musical intervals and long notes.
[World Business, Section W.] Keeping a Business in the Family Public companies controlled by families exist in many countries, but they are a particular hallmark in Canada.
Creative emotional-blackmail flaking is a particular hallmark: how can you criticise a man who can't meet you because he's evacuating under-fire IDPs?
Ms. Baez, who worked for 12 years as an aide to José Rivera when Mr. Rivera was on the Council and the Assembly, has made the issue of school construction a particular hallmark of her campaign.
On their most recent album, "Stories and Negotiations" (482 Music), these musicians bring a handful of wise elders into the circle: a particular hallmark of the Chicago jazz scene, and one of the best traditions of the Vision Festival, where the band will appear.
The occurrence of HCV-2c in Argentina has a particular hallmark, since its prevalence has an interesting geographical correlation: a North-to-South gradient of HCV-2c prevalence has been identified in the Province of Córdoba.
In fact, the short discussion about cancer hallmarks is an excellent introduction that points out the way in which analysis of gene expression can lead to the understanding of changes in expression of particular ("hallmark") pathways.
His open-throated singing, the tremolo/vibrato, the manic, electrifying stage performances and perceived honesty were particular hallmarks, along with the use of interjections, for example "gotta, gotta, gotta", some of which came from Cooke.
Thus, whether or not genetic instability is a hallmark of a particular cancer type may reflect, to some degree, the strength of selection for new driver mutations in the cancer type.
Such characteristics are hallmarks of a particular type of cell death called mitotic catastrophe, which Roninson et al (2001) defined as a type of cell death resulting from abnormal mitosis ending in the formation of large cells with multiple micronuclei and decondensed chromatin.
While the network has had its overall problems in recent years, its prime-time comedy lineup — once an NBC hallmark — has been a particular challenge, and it has lost signature series like "30 Rock" and "The Office".
