"upon detection" is a correct and usable phrase in written English.
You can use it when you need to express that something happened after something else was noticed or detected. For example, "Upon detection of the unauthorized activity, the alarm was triggered."
Estimates of illegal behavior based upon survey data are frequently higher than estimates based upon detection rates.
Notifiable disease, any of various health conditions that upon detection are required to be reported to public health authorities.
More active systems also attempt to prevent the intrusion upon detection in real time.
This module successfully transmitted an alarm signal upon detection of a fire in the feasibility test.
STING is an ER-resident membrane protein that triggers cytokine production upon detection of the bacterial second messenger c-di-GMP.
The same technology could be applied to meat wrappers and other food packaging, which would show a warning color upon detection of food-borne bacteria.
To further dissuade subjects from making undesired movements, a warning ("Do not press any keyboard buttons unless you're asked to!") was presented for 2,000 ms upon detection of any key press, and the interrupted trial was repeated.
In fact, only one of ten treatments — slaughtering the whole herd upon detection of bTB — was effective in rapidly bringing all measures of the epidemic well below the baseline.
An interceptor's radar might be jammed by electronic-warfare measures or a nuclear warhead could be programmed to detonate upon detection of an approaching interceptor.
Fault is not removed perfectly upon detection.
Upon detection of the two lines, the reader calculates their average fluorescence intensities (Fig. 8).
