"thus concentrated" is a grammatically correct phrase and can be used in written English.
It can be used to indicate that something has been focused or gathered in a particular way or direction. Here is an example: "The students' efforts were thus concentrated on improving their vocabulary skills and they showed significant improvement in their test scores."
Thus concentrated, it shakes cells so violently that they heat up.
Too much power is thus concentrated in Google's hands, say critics, including Microsoft's Bill Gates.
Hodges thus concentrated his eye in this context on images of architecture, documenting the faded splendor of India's buildings and monuments.
Avigdor Lieberman, head of the National Union and minister of transport, suggested bombing Yasser Arafat's headquarters in Ramallah "with everyone in it".Its mind thus concentrated, the Palestinian cabinet resolved to arrest Hamas and Islamic Jihad operatives, to shut down their newspapers and to assert tight control over their mosques, schools and welfare agencies.
Efforts have thus concentrated on personalized search that takes account of user preferences.
After 48 h, the supernatant liquid of undisturbed samples is carefully removed and samples are thus concentrated to 30 mL for further processing.
Soil total P concentrations are generally in the mg kg−1 range; thus, concentrating soil extracts increases the P concentration per NMR sample, significantly improving the NMR response.
I opted for the à la carte menu, thus concentrating on my favorites.
He figured the remaining employees would not look around the room wondering who was missing and would thus concentrate on what he had to say.
"Second, they could work hard, through boundary changes and planning policy, to corral visible minority voters in a few urban areas – thus concentrating the growing Labour vote in fewer constituencies.
That means Tea Party activists do not need to think much, or talk much, about the Democrats, who can largely be dismissed as irrelevant; they can thus concentrate fully on remaking the Republican Party from within, by shaping it and handpicking candidates.
