Výsledky vyhledávání - "Puneet Kumar Verma"

Spatio-temporal variation in air quality and unexpected pollution levels during the lamp event over the Indo-Gangetic Plain in the first wave of the COVID-19 pandemic

Autor: Isha Goyal, Puneet Kumar Verma, Vipin Singh, K. Maharaj Kumari, Anita Lakhani

Publikováno v: Environmental Science: Advances. 2:87-97

During the lamp event in phase-1 (P1) of the first wave of the COVID-19 pandemic, the concentration of air pollutants over the Indo Gangetic Plain (IGP) increased substantially. Analyses show an association of benzene and toluene with PM2.5 due to oi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8ef537a4c47ad967fc79606e1389a12
https://doi.org/10.1039/d2va00114d

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Particulate Oxidative Potential Associated with Fireworks Activity during Diwali at a site in the Indo-Gangetic Plain

Autor: Isha Goyal, Puneet Kumar Verma, Kandikonda Maharaj Kumari, Anita Lakhani

The dithiothreitol (DTT) assay was used to investigate the oxidative potential (OP) of atmospheric fine particles (PM2.5) to form reactive oxygen species (ROS) during Diwali festival firework activity at a site in the Indo-Gangetic Plain, India. Duri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::883186419b81de0c3eb950cb7c76f6d7
https://doi.org/10.21203/rs.3.rs-1815890/v1

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Particulate Oxidative Potential (OP) Associated with Fireworks Activity during Diwali at a site in the Indo-Gangetic Plain

Autor: Isha Goyal, Anita Lakhani, Kandikonda Maharaj Kumari, Puneet Kumar Verma

The potential of the atmospheric fine aerosols (PM2.5) to generate reactive oxygen species (ROS) during firework activity in Diwali festival was assessed by the dithiothreitol (DTT) assay at a site in the Indo-Gangetic Plain, India. The 12-h mean PM2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0eed35ec794e70c50c527e0387d67cff
https://doi.org/10.21203/rs.3.rs-843806/v1

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Pollution characteristics, human health risk through multiple exposure pathways, and source apportionment of heavy metals in PM10 at Indo-Gangetic site

Autor: Anita Lakhani, Maharaj Kumari Kandikonda, Dinesh Sah, Puneet Kumar Verma

Publikováno v: Urban Climate. 27:149-162

This study assesses the heavy metal (Pb, Zn, Ni, Fe, Mn, Cr, Cd, As, Co and Cu) concentrations in PM10 in Agra, India. The analysis of heavy metals was carried out by Inductively Coupled Plasma-Mass Spectrometer (ICP-MS) after digestion of quartz fib

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4041241cbfc28b933437a887653a013f
https://doi.org/10.1016/j.uclim.2018.11.010

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Atmospheric chemistry and cancer risk assessment of Polycyclic Aromatic Hydrocarbons (PAHs) and Nitro-PAHs over a semi-arid site in the Indo-Gangetic plain

Autor: Puneet Kumar Verma, Dinesh Sah, Rangu Satish, Neeraj Rastogi, K. Maharaj Kumari, Anita Lakhani

Publikováno v: Journal of environmental management. 317

Polycyclic Aromatic Hydrocarbons (PAHs) and Nitro-PAHs were collected over a year at a traffic dominated site in Agra, to determine the dominant partitioning mechanism. During the entire sampling period, total PAHs and Nitro-PAHs were 3465 ± 3802 an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::739cc4d93a3adf6288e9f2e3319f8d82
https://pubmed.ncbi.nlm.nih.gov/35751260

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Mutagenic and Cancer Risk Estimation of Particulate Bound Polycyclic Aromatic Hydrocarbons from the Emission of Different Biomass Fuels

Autor: K. Maharaj Kumari, Dinesh Sah, Jitendra Dubey, Anita Lakhani, Puneet Kumar Verma

Publikováno v: Chemical research in toxicology. 34(3)

Smoke samples from combustion of different biomass fuels were analyzed for the particulate bound Polycyclic Aromatic Hydrocarbons (PAHs) due to their carcinogenic and mutagenic nature. Out of 16 priority PAHs, 11 PAHs were detected in the emission of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fec08192ecbe1fcbf78a13af0304af3
https://pubmed.ncbi.nlm.nih.gov/33591737

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Comparative Study of Gas and Particulate Phase Concentrations of Polycyclic Aromatic Hydrocarbons (PAHs) at Two Sites in Agra

Autor: Anita Lakhani, Dinesh Sah, Puneet Kumar Verma, K. Maharaj Kumari

Publikováno v: Urban Air Quality Monitoring, Modelling and Human Exposure Assessment ISBN: 9789811555107

Polycyclic Aromatic Hydrocarbons (PAHs) are present in both the gas and particulate phase in the atmosphere. Samples of aerosols were collected simultaneously at a rural and traffic dominated site in Agra during winter season to measure the gas and p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57dbbab9e34af21c852f9b37b7a40814
https://doi.org/10.1007/978-981-15-5511-4_24

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Chemical fractionation of heavy metals in fine particulate matter and their health risk assessment through inhalation exposure pathway

Autor: Anita Lakhani, K. Maharaj Kumari, Dinesh Sah, Puneet Kumar Verma

Publikováno v: Environmental Geochemistry and Health. 41:1445-1458

Samples of PM2.5 were collected from an urban area close to a national highway in Agra, India and sequentially extracted into four different fractions: water soluble (F1), reducible (F2), oxidizable (F3) and residual fraction (F4) for chemical fracti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e368545493580d56b901b26d7d137f16
https://doi.org/10.1007/s10653-018-0223-8

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