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Article ; Online: Indirect impact of COVID-19 on environment: A brief study in Indian context.

Lokhandwala, Snehal / Gautam, Pratibha

2020 Volume 188, Page(s) 109807

Abstract: Worldwide spread of COVID-19 in a quite short time has brought a dramatic decrease in industrial activities, road traffic and tourism. Restricted human interaction with nature during this crisis time has appeared as a blessing for nature and environment. ...

Abstract	Worldwide spread of COVID-19 in a quite short time has brought a dramatic decrease in industrial activities, road traffic and tourism. Restricted human interaction with nature during this crisis time has appeared as a blessing for nature and environment. Reports from all over the world are indicating that after the outbreak of COVID-19, environmental conditions including air quality and water quality in rivers are improving and wildlife is blooming. India has always been a hub of pollution with huge population, heavy traffics and polluting industries leading to high air quality index (AQI) values in all major cities. But after declaration of lockdown due to COVID-19, quality of air has started to improve and all other environmental parameters such as water quality in rivers have started giving a positive sign towards restoring. This paper provides evidence-based insight into improvement of air quality and environment during pre and post lockdown of this pandemic situation. An attempt has been made to visualize the improvement in the air quality using tools like satellite images of Indian atmosphere, results of onsite real-time monitoring at specific locations (Ghaziabad-highest polluting city of India) and Air quality index (AQI) calculated by central pollution control board of India.
MeSH term(s)	Air Pollution ; Betacoronavirus ; COVID-19 ; Cities ; Coronavirus Infections ; Environmental Monitoring ; Humans ; India ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2
Keywords	covid19
Language	English
Publishing date	2020-06-18
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2020.109807
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Article: Indirect impact of COVID-19 on environment: A brief study in Indian context

Lokhandwala, Snehal / Gautam, Pratibha

Environmental research. 2020 Sept., v. 188

2020

Abstract	Worldwide spread of COVID-19 in a quite short time has brought a dramatic decrease in industrial activities, road traffic and tourism. Restricted human interaction with nature during this crisis time has appeared as a blessing for nature and environment. Reports from all over the world are indicating that after the outbreak of COVID-19, environmental conditions including air quality and water quality in rivers are improving and wildlife is blooming. India has always been a hub of pollution with huge population, heavy traffics and polluting industries leading to high air quality index (AQI) values in all major cities. But after declaration of lockdown due to COVID-19, quality of air has started to improve and all other environmental parameters such as water quality in rivers have started giving a positive sign towards restoring. This paper provides evidence-based insight into improvement of air quality and environment during pre and post lockdown of this pandemic situation. An attempt has been made to visualize the improvement in the air quality using tools like satellite images of Indian atmosphere, results of onsite real-time monitoring at specific locations (Ghaziabad-highest polluting city of India) and Air quality index (AQI) calculated by central pollution control board of India.
Keywords	COVID-19 infection ; air ; air quality ; humans ; pandemic ; pollution ; pollution control ; research ; satellites ; tourism ; traffic ; water quality ; wildlife ; India
Language	English
Dates of publication	2020-09
Publishing place	Elsevier Inc.
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2020.109807
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Article ; Online: Indirect impact of COVID-19 on environment

Lokhandwala, Snehal / Gautam, Pratibha

Environmental Research

A brief study in Indian context

2020 Volume 188, Page(s) 109807

Keywords	Biochemistry ; General Environmental Science ; covid19
Language	English
Publisher	Elsevier BV
Publishing country	us
Document type	Article ; Online
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2020.109807
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Indirect impact of COVID-19 on environment: A brief study in Indian context

Lokhandwala, Snehal / Gautam, Pratibha

Environ Res

Abstract	Worldwide spread of COVID-19 in a quite short time has brought a dramatic decrease in industrial activities, road traffic and tourism. Restricted human interaction with nature during this crisis time has appeared as a blessing for nature and environment. Reports from all over the world are indicating that after the outbreak of COVID-19, environmental conditions including air quality and water quality in rivers are improving and wildlife is blooming. India has always been a hub of pollution with huge population, heavy traffics and polluting industries leading to high air quality index (AQI) values in all major cities. But after declaration of lockdown due to COVID-19, quality of air has started to improve and all other environmental parameters such as water quality in rivers have started giving a positive sign towards restoring. This paper provides evidence-based insight into improvement of air quality and environment during pre and post lockdown of this pandemic situation. An attempt has been made to visualize the improvement in the air quality using tools like satellite images of Indian atmosphere, results of onsite real-time monitoring at specific locations (Ghaziabad-highest polluting city of India) and Air quality index (AQI) calculated by central pollution control board of India.
Keywords	covid19
Publisher	WHO
Document type	Article
Note	WHO #Covidence: #601761
Database	COVID19

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Article ; Online: 'On and Off' intercalative binding behaviour of double chain surfactant cobalt(III) complex containing 2, 2'-bipyridyl ligand in β-Cyclodextrin: A detail approach on Host-guest inclusion of surfactant cobalt(III) complex and CT-DNA binding in micro-heterogeneous medium.

Nagaraj, Karuppiah / Kamalesu, Subramaniam / Sakthinathan, Subramanian / Chiu, Te-Wei / Lokhandwala, Snehal / Parekh, Nikhil M / Karuppiah, Chelladurai

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

2022 Volume 286, Page(s) 122015

Abstract: The binding interaction of surfactant cobalt(III) complex, cis-[Co(bpy) ...

Abstract	The binding interaction of surfactant cobalt(III) complex, cis-[Co(bpy)
MeSH term(s)	Surface-Active Agents/chemistry ; Cobalt/chemistry ; 2,2'-Dipyridyl ; Ligands ; DNA/chemistry ; beta-Cyclodextrins ; Tomography, X-Ray Computed ; Viscosity
Chemical Substances	Surface-Active Agents ; Cobalt (3G0H8C9362) ; 2,2'-Dipyridyl (551W113ZEP) ; Ligands ; DNA (9007-49-2) ; beta-Cyclodextrins
Language	English
Publishing date	2022-10-19
Publishing country	England
Document type	Journal Article
ZDB-ID	210413-1
ISSN	1873-3557 ; 0370-8322 ; 0584-8539 ; 1386-1425
ISSN (online)	1873-3557
ISSN	0370-8322 ; 0584-8539 ; 1386-1425
DOI	10.1016/j.saa.2022.122015
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Article ; Online: Metallo-Surfactant assisted silver nanoparticles: A new approach for the colorimetric detection of amino acids.

Nagaraj, Karuppiah / Thangamuniyandi, Pilavadi / Kamalesu, Subramaniam / Lokhandwala, Snehal / Parekh, Nikhil M / Rekha Panda, Swapna / Sakthinathan, Subramanian / Chiu, Te-Wei / Chelladurai, Karuppiah / Karthikeyan, Ammasai / Kalai Selvam, Iruthaya

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

2023 Volume 296, Page(s) 122693

Abstract: In this study, we report a new class of metallo-surfactant assisted silver nanoparticle produced by reduction process via ... ...

Abstract	In this study, we report a new class of metallo-surfactant assisted silver nanoparticle produced by reduction process via AgNO
MeSH term(s)	Amino Acids ; Colorimetry ; Metal Nanoparticles/chemistry ; Cysteine/chemistry ; Silver/chemistry ; Surface-Active Agents ; Plant Extracts/chemistry ; Dihydroxyphenylalanine
Chemical Substances	Amino Acids ; Cysteine (K848JZ4886) ; Silver (3M4G523W1G) ; Surface-Active Agents ; Plant Extracts ; Dihydroxyphenylalanine (63-84-3)
Language	English
Publishing date	2023-04-03
Publishing country	England
Document type	Journal Article
ZDB-ID	210413-1
ISSN	1873-3557 ; 0370-8322 ; 0584-8539 ; 1386-1425
ISSN (online)	1873-3557
ISSN	0370-8322 ; 0584-8539 ; 1386-1425
DOI	10.1016/j.saa.2023.122693
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Article ; Online: Effect of hydrophobicity and size of the ligands on the intercalative binding interactions of some metallo-surfactants containing π-conjugated systems with yeast tRNA.

Nagaraj, Karuppiah / Priyanshi, Jigeshkumar / Govindasamy, Chandramohan / Sivakumar, Allur Subramaniyan / Kamalesu, Supramanium / Naman, Jitendrabhai / Dixitkumar, Manojkumar / Lokhandwala, Snehal / Parekh, Nikhil M / Radha, Suriyan / Uthra, Chandrabose / Vaishnavi, Ellappan / Sakthinathan, Subramanian / Chiu, Te-Wei / Karuppiah, Chelladurai

Journal of biomolecular structure & dynamics

2023 Volume 42, Issue 8, Page(s) 3949–3957

Abstract: The intercalative yeast t-RNA binding behavior of some metallo-surfactant complexes, Co(ip) ...

Abstract	The intercalative yeast t-RNA binding behavior of some metallo-surfactant complexes, Co(ip)
MeSH term(s)	Hydrophobic and Hydrophilic Interactions ; RNA, Transfer/metabolism ; RNA, Transfer/chemistry ; Ligands ; Surface-Active Agents/chemistry ; Surface-Active Agents/metabolism ; Intercalating Agents/chemistry ; Intercalating Agents/metabolism ; Circular Dichroism ; Saccharomyces cerevisiae/metabolism ; Micelles ; Coordination Complexes/chemistry ; Coordination Complexes/metabolism ; RNA, Fungal/chemistry ; RNA, Fungal/metabolism ; Phenanthrolines/chemistry
Chemical Substances	RNA, Transfer (9014-25-9) ; Ligands ; Surface-Active Agents ; Intercalating Agents ; Micelles ; Coordination Complexes ; RNA, Fungal ; Phenanthrolines
Language	English
Publishing date	2023-05-30
Publishing country	England
Document type	Journal Article
ZDB-ID	49157-3
ISSN	1538-0254 ; 0739-1102
ISSN (online)	1538-0254
ISSN	0739-1102
DOI	10.1080/07391102.2023.2216783
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Article: Advanced oxidation processes for treatment of leachate from hazardous waste landfill: A critical review

Gautam, Pratibha / Kumar, Sunil / Lokhandwala, Snehal

Journal of cleaner production. 2019 Nov. 10, v. 237

2019

Abstract: Leachate produced from hazardous waste landfills (HWLs) is toxic and contain high concentration of refractory organics, ammoniacal-nitrogen, heavy metals, inorganic salts and organo-chloro compounds. Various Advanced Oxidation Processes (AOPs) have been ... ...

Abstract	Leachate produced from hazardous waste landfills (HWLs) is toxic and contain high concentration of refractory organics, ammoniacal-nitrogen, heavy metals, inorganic salts and organo-chloro compounds. Various Advanced Oxidation Processes (AOPs) have been developed in last few decades for efficiently treating the landfill leachate and many are still under development. Researchers have reviewed the performance of conventional AOPs for treating leachate produced from municipal solid waste landfills (MSWLs) but as this leachate is entirely different in characteristics from HWL leachate, these studies are not very useful when it comes to management of HWL leachate; also, specific studies focused on HWL leachate are rarely available. Present study critically reviews various AOPs involving ozone, UV radiation, hydrogen peroxide, electrocoagulation and electrochemical oxidation for their mechanism, treatment efficacy, advantages and limitations with a focus on HWL leachate. A brief review of emerging AOPs like wet air oxidation, hydrodynamic cavitation and ultrasound assisted AOPs is also discussed. This study also aims to identify the AOP which is user friendly, capable to treat the HWL leachate efficiently, discourage the use of chemicals and can be operated at ambient temperature and pressure. After thorough review of different AOPs, Electrocoagulation appears to be a very promising and effective AOP involving in-situ generation of coagulants and converting the organic pollutants in simpler and noble compounds like carbon dioxide and water. Electrocoagulation can be considered as one of the greener and cleaner technology for treatment of HWL leachate, which on optimization can result in a reduction of COD up to 60% along with considerable decrease in metal content in range of 70%–90% and has further potential of improvement and research.
Keywords	ambient temperature ; ammonium nitrogen ; carbon dioxide ; chemical oxygen demand ; coagulants ; electrochemistry ; electrocoagulation ; hazardous waste ; heavy metals ; hydrodynamics ; hydrogen peroxide ; inorganic salts ; landfill leachates ; landfills ; municipal solid waste ; oxidation ; ozone ; pollutants ; sustainable technology ; ultrasonics ; ultraviolet radiation
Language	English
Dates of publication	2019-1110
Publishing place	Elsevier Ltd
Document type	Article
ISSN	0959-6526
DOI	10.1016/j.jclepro.2019.117639
Database	NAL-Catalogue (AGRICOLA)

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Article: SARS-CoV-2 and other pathogens in municipal wastewater, landfill leachate, and solid waste: A review about virus surveillance, infectivity, and inactivation

Anand, Uttpal / Li, Xuan / Sunita, Kumari / Lokhandwala, Snehal / Gautam, Pratibha / Suresh, S. / Sarma, Hemen / Vellingiri, Balachandar / Dey, Abhijit / Bontempi, Elza / Jiang, Guangming

Environmental research. 2022 Jan., v. 203

2022

Abstract: This review discusses the techniques available for detecting and inactivating of pathogens in municipal wastewater, landfill leachate, and solid waste. In view of the current COVID-19 pandemic, SARS-CoV-2 is being given special attention, with a thorough ...

Abstract	This review discusses the techniques available for detecting and inactivating of pathogens in municipal wastewater, landfill leachate, and solid waste. In view of the current COVID-19 pandemic, SARS-CoV-2 is being given special attention, with a thorough examination of all possible transmission pathways linked to the selected waste matrices. Despite the lack of works focused on landfill leachate, a systematic review method, based on cluster analysis, allows to analyze the available papers devoted to sewage sludge and wastewater, allowing to focalize the work on technologies able to detect and treat pathogens. In this work, great attention is also devoted to infectivity and transmission mechanisms of SARS-CoV-2. Moreover, the literature analysis shows that sewage sludge and landfill leachate seem to have a remote chance to act as a virus transmission route (pollution-to-human transmission) due to improper collection and treatment of municipal wastewater and solid waste. However due to the incertitude about virus infectivity, these possibilities cannot be excluded and need further investigation. As a conclusion, this paper shows that additional research is required not only on the coronavirus-specific disinfection, but also the regular surveillance or monitoring of viral loads in sewage sludge, wastewater, and landfill leachate. The disinfection strategies need to be optimized in terms of dosage and potential adverse impacts like antimicrobial resistance, among many other factors. Finally, the presence of SARS-CoV-2 and other pathogenic microorganisms in sewage sludge, wastewater, and landfill leachate can hamper the possibility to ensure safe water and public health in economically marginalized countries and hinder the realization of the United Nations' sustainable development goals (SDGs).
Keywords	COVID-19 infection ; Severe acute respiratory syndrome coronavirus 2 ; antibiotic resistance ; cluster analysis ; disinfection ; landfill leachates ; monitoring ; municipal wastewater ; pathogenicity ; public health ; research ; sewage sludge ; solid wastes ; sustainable development ; systematic review ; virus transmission ; viruses
Language	English
Dates of publication	2022-01
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2021.111839
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: SARS-CoV-2 and other pathogens in municipal wastewater, landfill leachate, and solid waste: A review about virus surveillance, infectivity, and inactivation.

Anand, Uttpal / Li, Xuan / Sunita, Kumari / Lokhandwala, Snehal / Gautam, Pratibha / Suresh, S / Sarma, Hemen / Vellingiri, Balachandar / Dey, Abhijit / Bontempi, Elza / Jiang, Guangming

Environmental research

2021 Volume 203, Page(s) 111839

Abstract	This review discusses the techniques available for detecting and inactivating of pathogens in municipal wastewater, landfill leachate, and solid waste. In view of the current COVID-19 pandemic, SARS-CoV-2 is being given special attention, with a thorough examination of all possible transmission pathways linked to the selected waste matrices. Despite the lack of works focused on landfill leachate, a systematic review method, based on cluster analysis, allows to analyze the available papers devoted to sewage sludge and wastewater, allowing to focalize the work on technologies able to detect and treat pathogens. In this work, great attention is also devoted to infectivity and transmission mechanisms of SARS-CoV-2. Moreover, the literature analysis shows that sewage sludge and landfill leachate seem to have a remote chance to act as a virus transmission route (pollution-to-human transmission) due to improper collection and treatment of municipal wastewater and solid waste. However due to the incertitude about virus infectivity, these possibilities cannot be excluded and need further investigation. As a conclusion, this paper shows that additional research is required not only on the coronavirus-specific disinfection, but also the regular surveillance or monitoring of viral loads in sewage sludge, wastewater, and landfill leachate. The disinfection strategies need to be optimized in terms of dosage and potential adverse impacts like antimicrobial resistance, among many other factors. Finally, the presence of SARS-CoV-2 and other pathogenic microorganisms in sewage sludge, wastewater, and landfill leachate can hamper the possibility to ensure safe water and public health in economically marginalized countries and hinder the realization of the United Nations' sustainable development goals (SDGs).
MeSH term(s)	COVID-19 ; Humans ; Pandemics ; SARS-CoV-2 ; Solid Waste/analysis ; Waste Disposal Facilities ; Waste Water ; Water Pollutants, Chemical/analysis
Chemical Substances	Solid Waste ; Waste Water ; Water Pollutants, Chemical
Language	English
Publishing date	2021-08-04
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2021.111839
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