Coordinately unsaturated single Fe-atoms with N vacancies and enhanced sp3 carbon defects in Fe-N(sp2)-C structural units for suppression of cancer cell metabolism and electrochemical oxygen evolution. - Yadav A; Hiremath N; Saini B; Matsagar BM; Han PC; Ujihara M; Modi MH; Wu KC; Sharma RK; Vankayala R; Dutta S (Nanoscale, 2024)