Affiliation: Indian Institute of Technology
Singh D, Gupta T. Source apportionment and risk assessment of PM1 bound trace metals collected during foggy and non-foggy episodes at a representative site in the Indo-Gangetic plain. Sci Total Environ. 2016;550:80-94 pubmed publisher
..These cancer cases were ~1.6 times higher than a non-foggy episode's exposed population. ..
Singh D, Gupta T. Effect through inhalation on human health of PM1 bound polycyclic aromatic hydrocarbons collected from foggy days in northern part of India. J Hazard Mater. 2016;306:257-268 pubmed publisher
Chakraborty A, Gupta T, Tripathi S. Combined effects of organic aerosol loading and fog processing on organic aerosols oxidation, composition, and evolution. Sci Total Environ. 2016;573:690-698 pubmed publisher
..This study provided new insights into the combined effects of OA loading and fog aqueous processing on the evolution of ambient organic aerosols (OA) for the first time. ..
Sorathia F, Rajput P, Gupta T. Dicarboxylic acids and levoglucosan in aerosols from Indo-Gangetic Plain: Inferences from day night variability during wintertime. Sci Total Environ. 2018;624:451-460 pubmed publisher
..Overall, strong linear correlations of C2 with levoglucosan and sulphate suggest that biomass burning emission and secondary transformations are predominant sources of DCA over IGP during wintertime. ..
Suryawanshi S, Chauhan A, Verma R, Gupta T. Identification and quantification of indoor air pollutant sources within a residential academic campus. Sci Total Environ. 2016;569-570:46-52 pubmed publisher
..Five possible sources of indoor pollutants were identified by factor analysis - (1) Coal combustion (21.8%) (2) Tobacco smoking (9.8%) (3) Wall dust (25.7%) (4) Soil particles (17.5%) (5) Wooden furniture/paper products (25.2%). ..
Rajput P, Anjum M, Gupta T. One year record of bioaerosols and particles concentration in Indo-Gangetic Plain: Implications of biomass burning emissions to high-level of endotoxin exposure. Environ Pollut. 2017;224:98-106 pubmed publisher
..Field-based data-set of bioaerosols, OC, PNC and deduced mass concentrations reported herein could serve to better constraint their role in human health and climate relevance. ..
Singh D, Gupta T. Role of ammonium ion and transition metals in the formation of secondary organic aerosol and metallo-organic complex within fog processed ambient deliquescent submicron particles collected in central part of Indo-Gangetic Plain. Chemosphere. 2017;181:725-737 pubmed publisher
Chakraborty A, Rajeev P, Rajput P, Gupta T. Water soluble organic aerosols in indo gangetic plain (IGP): Insights from aerosol mass spectrometry. Sci Total Environ. 2017;599-600:1573-1582 pubmed publisher
..This study provides the first insight into oxidation levels and evolution of WSOA from India and also explores the interplay between WSOA and OA characteristics based on AMS measurements. ..
Chakraborty A, Mandariya A, Chakraborti R, Gupta T, Tripathi S. Realtime chemical characterization of post monsoon organic aerosols in a polluted urban city: Sources, composition, and comparison with other seasons. Environ Pollut. 2018;232:310-321 pubmed publisher
..This study provides interesting insights into the seasonal variations of OA sources and evolution in a very polluted and complex environment. ..