In 1926 he went to study the colloid chemistry of proteins with Nobel laureate Theodor Svedberg at Uppsala University.
[1] At his Nobel lecture in 1927, Svedberg mentioned Chirnoagă's contribution to the development of the ultracentrifuge.
[7] Upon the outbreak of the Legionnaires' rebellion that would end with the Guard's fall from power, its leader Horia Sima sent Panaitescu and Chirnoagă to negotiate with Conducător Ion Antonescu.
The latter showed himself open to concessions, which led Sima to formulate demands he found unacceptable.
[8] After the Coup of August 1944 and the fall of Antonescu, a purging committee was set up at the Polytechnic in the autumn of 1944.