Papers

61,005 results
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Article Tier 2

Spatiotemporal distribution of microplastics in the catchment of lake akkulam-veli, kerala, india

Researchers quantified and characterised microplastics in surface water samples from the Akkulam-Veli lake basin in Kerala, India, collected across three seasons — post-monsoon, monsoon, and pre-monsoon — to assess spatiotemporal variation. Results showed pre-monsoon had the highest concentrations (5,100 particles/m3), fibres and films were dominant forms, and FTIR confirmed the presence of polypropylene and other polymers.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Microplastic pollution in Kolavai Lake, Tamil Nadu, India: Quantification of plankton-sized microplastics in the surface water of lake

Researchers surveyed Kolavai Lake in Tamil Nadu, India, and found microplastics at an average of 6.1 particles per liter across the lake's surface water, with higher concentrations near urban and southern zones. The study used FTIR spectroscopy to confirm the chemical identity of particles and examined how microplastic abundance compares to zooplankton density, finding that microplastics were present at levels that could disrupt plankton feeding. These results highlight how even inland freshwater lakes in India are heavily contaminated, with implications for aquatic food chains and the communities that depend on this water.

2023 Research Square (Research Square)
Article Tier 2

FTIR Spectroscopic Characterization And Identification Of Microplastics In Water Samples From Ashtamudi Lake, Kollam, Kerala FTIR Spectroscopic Characterization And Identification Of Microplastics In Water Samples From Ashtamudi Lake, Kollam, Kerala

Microplastics including polyethylene, polystyrene, and nylon were characterized in water samples from Ashtamudi Lake, Kerala using FTIR spectroscopy, adding to evidence of pervasive microplastic contamination in Indian freshwater ecosystems.

2024 International Journal For Multidisciplinary Research
Article Tier 2

Assessment of microplastics and associated ecological risk in the Hirakud Reservoir, Odisha, India

Researchers assessed microplastic pollution in the water and sediments of India's Hirakud Reservoir, characterizing particles by abundance, shape, size, color, and chemical composition using scanning electron microscopy and FTIR. They also evaluated the ecological risk posed by the contamination. The study highlights that even inland freshwater reservoirs in India are experiencing significant microplastic pollution.

2024 Journal of Water and Health 18 citations
Article Tier 2

Quantification of microplastic in Red Hills Lake of Chennai city, Tamil Nadu, India

Researchers conducted the first study of microplastic distribution and sources in Red Hills Lake, a freshwater reservoir supplying drinking water to northern Chennai, India. Analysis of sediment samples revealed the presence of microplastic contamination, highlighting concerns about microplastic pollution in freshwater systems used for human water supply.

2020 Environmental Science and Pollution Research 188 citations
Article Tier 2

A preliminary assessment of microplastics in the waters and sediments of the second-largest freshwater lagoon in India

Researchers conducted a preliminary assessment of microplastics in the waters and sediments of Pulicat lagoon, India's second-largest freshwater lagoon, using microscopy, ATR-FTIR, and Micro-Raman spectroscopy, finding average microplastic abundances in surface water of 3.12 +/- 1.53 particles per sample.

2025 Environmental Monitoring and Assessment
Article Tier 2

Microplastic pollution in Kolavai Lake, Tamil Nadu, India: quantification of plankton-sized microplastics in the surface water of lake

Researchers quantified microplastic pollution in Kolavai Lake in Tamil Nadu, India, finding an average abundance of 6.1 particles per liter in surface water. They identified polyethylene, polypropylene, and polystyrene as the most common types using infrared spectroscopy. The study also examined the ratio of microplastics to zooplankton, raising concerns about how these tiny particles could enter the food chain when consumed by aquatic organisms.

2023 Environmental Science and Pollution Research 20 citations
Article Tier 2

Microplastics in freshwater lakes: A case study from Southern India

Researchers assessed microplastic contamination in Vellayani Lake, a major drinking water source in southern India, and found particles present across all sampling sites and seasons. Fibers were the most common shape, with polyethylene and polypropylene as the dominant polymer types, likely originating from domestic wastewater and fishing activities. The study highlights the need for monitoring microplastic pollution in freshwater lakes that serve as critical drinking water supplies.

2024 Geosystems and Geoenvironment 15 citations
Article Tier 2

Spatiotemporal distribution of microplastics in the catchment of lake akkulam-veli, kerala, india

Researchers quantified and characterized microplastics in seasonal surface water samples from the Akkulam-Veli lake catchment in Kerala, India, finding highest concentrations during pre-monsoon (5100 particles/m3) and lowest during post-monsoon (1838 particles/m3), indicating seasonal and hydrological drivers of microplastic distribution.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Tracking microplastics at the source: a comparative study of fluorescent and FTIR microscopy at a drinking water intake in the Perak River, Malaysia

Researchers measured microplastic contamination at a drinking water intake point on the Perak River in Malaysia, finding 12 different polymer types with most particles smaller than 10 micrometers. The study compared two detection methods and found that specialized infrared microscopy was more accurate at identifying microplastic types than fluorescence microscopy. Since this river water goes directly to a treatment plant for drinking water, the findings highlight the need to understand and filter out microplastics before they reach the tap.

2025 Environmental Monitoring and Assessment 6 citations
Article Tier 2

Depth-wise Distribution of Microplastics Around Teluk Lerong Intake, the Mahakam River: Implications for Water Treatment Processes

Researchers assessed the depth-wise distribution, abundance, size, and polymer types of microplastics in the water column of the Mahakam River at the Teluk Lerong intake in Samarinda City, Indonesia, using composite sampling and multi-stage filtration with FTIR analysis. The study found microplastics present across all sampled depth levels, with implications for the treatment processes used by the regional drinking water company sourcing water from this intake.

2025 Nature Environment and Pollution Technology
Article Tier 2

Microplastic contamination in freshwater ecosystems: The Hiren-2 Reservoir case study from Gujarat, India

Researchers examined the distribution, composition, and abundance of microplastics in the Hiren-2 Reservoir in Gujarat, India, finding microplastic concentrations ranging from 1.756 to 5.422 particles per liter. The study characterized microplastic contamination in a freshwater reservoir representing a growing concern for drinking water quality and aquatic ecosystem health in South Asia.

2025 JOURNAL OF EXPERIMENTAL ZOOLOGY INDIA
Article Tier 2

Microplastic pollution in Vembanad Lake, Kerala, India: The first report of microplastics in lake and estuarine sediments in India

Researchers conducted the first study of microplastics in Vembanad Lake, Kerala, India, finding plastic particles across sampled sites and documenting the types and polymer composition of contamination in this important freshwater ecosystem.

2016 Environmental Pollution 580 citations
Article Tier 2

Distribution and characterization of microplastics and ecological risks in Vellayani Lake, Kerala, India

Researchers surveyed Vellayani Lake in Kerala, India, for microplastic contamination and found particles in both water and sediment samples across the lake. The most common types were fibers and fragments, primarily from polyethylene and polypropylene, likely originating from household waste, fishing activities, and agricultural runoff. The ecological risk assessment indicated moderate contamination levels, raising concerns for this freshwater lake that serves local communities.

2023 Total Environment Research Themes 27 citations
Article Tier 2

Microplastics in the rivers of Gujarat (India) to the Arabian Sea: assessment of the sources, distribution, and associated environmental risk

Researchers collected water samples from the Damanganga and Tapi rivers in Gujarat, India, and from Dumas Beach, analyzing them for microplastics by µ-FTIR, SEM, and Py-GC-MS. MPs were detected at all sites, with characterization of polymer types, sizes, and shapes providing baseline data on MP contamination in rivers draining to the Arabian Sea and the associated environmental risk.

2025 Integrated Environmental Assessment and Management 4 citations
Article Tier 2

Fate and Transport of Microplastics from Water Sources

Researchers analysed microplastics in surface water, groundwater, and bottled drinking water near Chennai, India, detecting 66 particles of fibrous and fragmented shapes across all sample types. SEM-EDX analysis confirmed the presence of heavy metals including chromium, titanium, and barium adhered to microplastic surfaces, while FTIR identified polyethylene terephthalate and polyamide as the dominant polymer types.

2019 Current Science 72 citations
Article Tier 2

Assessment of Microplastic Pollution in Coastal Belt of Chennai, Tamilnadu

Researchers investigated microplastic contamination in the Adyar and Coovum river estuaries along the Chennai coastline in India. Using FTIR spectroscopy and X-ray diffraction analysis, they confirmed the presence of microplastics in both water and sediment samples. The study adds to the growing evidence that urban coastal areas in developing regions face significant microplastic pollution challenges.

2024 RASAYAN Journal of Chemistry 4 citations
Article Tier 2

Presence of microplastics in estuarine environment: a case study from Kavvayi and Kumbla backwaters of Malabar Coast, Kerala, India

Researchers investigated the distribution and characteristics of microplastics in sediments and organisms from two backwater estuaries along the Malabar Coast in Kerala, India. The study detected microplastics in all samples analyzed, confirming widespread contamination across these estuarine environments, with particles identified down to 1 micrometer in size using optical microscopy and confocal Raman spectroscopy.

2023 Environmental Science and Pollution Research 26 citations
Article Tier 2

Identification and Characterization of Microplastics in Riverine Environment, Cauvery River (Mysore), Karnataka, India

Researchers identified and characterized microplastics in sediments of the Cauvery River, India, finding concentrations ranging from 40 to 150 items per kilogram with higher levels downstream of the KRS dam. FTIR spectroscopy confirmed the presence of PP, PET, PE, and Nylon polymers in various shapes and colors, highlighting the need for freshwater microplastic monitoring.

2025 International Journal of Ecology and Environmental Sciences
Article Tier 2

Characterization of microplastics and its pollution load index in freshwater Kumaraswamy Lake of Coimbatore, India

Researchers surveyed microplastic contamination in Kumaraswamy Lake in India across four seasons and found plastic particles at every sampling point. The most common types were polyethylene and polypropylene, with concentrations varying by season and location within the lake. This study provides baseline pollution data for a freshwater lake that serves local communities, highlighting how widespread microplastic contamination has become.

2023 Environmental Toxicology and Pharmacology 55 citations
Article Tier 2

Microplastics as an emerging threat to the freshwater ecosystems of Veeranam lake in south India: A multidimensional approach

Microplastic contamination in water and soil samples from Veeranam Lake in Tamil Nadu, India was quantified and characterized as a multidimensional assessment of an emerging freshwater pollution threat. The study documented microplastics in both water and surrounding soils, establishing baseline data for a lake region important to local communities.

2020 Chemosphere 167 citations
Article Tier 2

Seasonal variation, spatial distribution and risk assessment of microplastics in surface waters of Periyar River, Kerala, India

Researchers conducted a comprehensive survey of microplastic pollution in the Periyar River in Kerala, India, examining seasonal variation and spatial distribution from upstream to downstream reaches. They found that microplastic concentrations were highest during the monsoon season and increased toward downstream urban areas, with fibers being the dominant particle type. The risk assessment indicated moderate ecological concern, highlighting the need for waste management interventions along the river.

2024 Environmental Monitoring and Assessment 15 citations
Article Tier 2

Microplastic pollution – a rising threat along an urban lake in the Vellore district of Tamil Nadu, India: abundance and risk exposure

Researchers assessed microplastic pollution in Dharapadavedu Lake in Tamil Nadu, India, finding contamination in both water and sediment samples. Medium-sized microplastics (500-1,000 micrometers) were the most common, with polyethylene and polypropylene as the dominant plastic types. The study highlights the growing microplastic contamination in urban lake ecosystems that communities rely on, raising concerns about water quality and human exposure.

2024 Water Quality Research Journal 10 citations
Article Tier 2

Microplastic Pollution in Urban Natural Lakes of Kathmandu Valley, Nepal

Researchers studied microplastic pollution in the surface waters of two urban natural lakes in Nepal's Kathmandu Valley. Using stereomicroscopy and FTIR spectroscopy, they characterized the abundance, types, and polymer composition of microplastics, finding notable contamination levels that highlight the need for monitoring microplastic pollution in urban freshwater systems in developing regions.

2026 Environmental Quality Management