The phrase "a particular topic in" is correct and usable in written English.
It can be used when specifying a specific subject or area of discussion within a broader context.
Example: "In this paper, we will explore a particular topic in the field of environmental science."
Alternatives: "a specific subject in" or "a distinct theme in".
When tests are that broad, the first things to go are courses that examine a particular topic in depth.
It brings together Twitter, Guardian live blogs and user comments on a particular topic in a way that's "all lovely" Swells says.
The basics are the same: every Thursday you will be asked to nominate your favourite songs on a particular topic in the comments.
(In some cases, OnTheIssues has not scored the candidate on a particular topic, in which case it is excluded from the average).
Values are of considerable importance in determining whether people will form opinions on a particular topic; in general, they are more likely to do so when they perceive that their values require it.
Deep exploration of a complex health care issue in pediatrics might be hindered by the sensitive or infrequent nature of a particular topic in pediatrics.
People with Asperger's may have superior intelligence and verbal skills, and they often have an obsessive interest in a particular topic (astronomy, in the case of the title character in "Adam," played by Hugh Dancy).
By using hashtags — that is, words or phrases preceded by the # symbol, like "#Scichat" for science educators — users can organize, search and find messages on a particular topic all in one place.
The user taps on a bubble to dive into a particular topic, bringing in a swarm of related bubbles.
Overall 69%% (n = 552 comments) did not clearly express opposition to a particular topic mentioned in the article.
The dissertation provides the student with a further opportunity to explore a particular topic independently in some depth, over 3 months.
