Christos Xenofontos3 articles listing Christos Xenofontos in Nature Communications, PNAS, indexed by Paperzzz from Crossref and OSF.Upper troposphere aerosol formation enhanced by monsoon lofted pollution Nature CommunicationsGlobal impact of anthropogenic NH 3 emissions on upper tropospheric aerosol formation PNASIsoprene chemistry under upper-tropospheric conditions Nature Communications