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61,005 resultsShowing papers similar to Application of fluorescent microscopy and Fourier-transform infrared spectroscopy for analysis of microplastics in Can Gio seawater
ClearApplication of fluorescent microscopy and Fourier-transform infrared spectroscopy for analysis of microplastics in Can Gio seawater
Researchers validated the combined use of fluorescent microscopy and Fourier-transform infrared spectroscopy for detecting and identifying microplastics in marine environmental samples. The dual-technique approach improved detection sensitivity and chemical identification accuracy compared to either method used alone.
Characteristics and distribution of microplastics in the estuarine environment and beach sands of Can Gio, Ho Chi Minh City, Vietnam
Researchers assessed the spatiotemporal distribution of microplastics in estuaries and beaches of the Can Gio Biosphere Reserve in Ho Chi Minh City, Vietnam, collecting over 300 water and sediment samples across dry and rainy seasons and characterising particles by size, morphology, and polymer composition using FTIR spectroscopy.
Assessing Microplastic Prevalence and Dispersion from Saigon Urban Canals via Can Gio Mangrove Reserve to East Sea by Raman Scattering Microscopy
Researchers used Raman scattering microscopy to assess microplastic prevalence and dispersion along a transect from Saigon urban canals through the Can Gio Mangrove Reserve to the East Sea, characterizing how urban plastic pollution travels through mangrove ecosystems into coastal marine waters.
Classification of microplastic characteristics in surface water and sediments in the lower Mekong river (Vietnam) in the dry season
Researchers analyzed microplastic distribution and polymer composition at 17 locations along the Mekong River in Vietnam during the April 2024 dry season, collecting samples from both surface water and riverbed sediments and characterizing them by optical microscopy and FTIR spectroscopy. They found that microplastic densities were higher in more urbanized areas and were influenced by geographical location, transportation activities, population density, and local hydrological characteristics.
Combination of Micro‐Raman and Infrared Spectroscopy to Identify Intriguing Case of Aged Microplastics of Estuarine Sediments
Researchers used a combination of Raman and infrared spectroscopy to identify aged microplastics in mangrove sediments near Santos, Brazil, one of the most biodiverse regions in the world. The dual-technique approach was able to identify not only the plastic polymers but also chemical additives like blue ink and green dye embedded in the particles. The study demonstrates how combining analytical methods improves the accuracy of microplastic identification in complex environmental samples.
Refined Analysis of Microplastics: Integrating Infrared and Raman Spectroscopy
This study optimized the use of Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy for characterizing microplastics in aquatic environments, finding that integrating both techniques improves identification accuracy and physicochemical characterization.
Degradation degree analysis of environmental microplastics by micro FT-IR imaging technology
Researchers used micro-FTIR spectral-image fusion to classify the degradation degree of polyethylene microplastics collected from coastal environments, achieving 97.1% classification accuracy and enabling estimation of environmental persistence time from spectral data.
Distribution of microplastics in surface water from Saigon River to Can Gio Sea
Researchers found widespread microplastic contamination in surface water samples from the Saigon River and Can Gio Sea in Vietnam, with concentrations and particle types shifting from river to coastal environments, reflecting the transport of land-based plastic pollution into marine systems.
Contributions of Fourier transform infrared spectroscopy in microplastic pollution research: A review
This review covers advances in Fourier transform infrared (FTIR) spectroscopy techniques — including chemical imaging — for identifying polymer types in microplastic samples and tracing their fate in different environmental matrices.
A Case Study in Kovalam Coastal Village to Identify Microplastics Using FTIR and Mangroves by Ndvi Analysis
Researchers investigated microplastic contamination at Kovalam Beach, a coastal fishing village on India's Coromandel Coast, using FTIR spectroscopy to identify and characterize plastic polymer types in beach and backwater samples, and combined this with NDVI analysis to assess the health of adjacent mangrove ecosystems under pressure from coastal development.
Assessment of microplastics pollution level on clam farming and bathing beaches: a case study of Thanh Phu in Ben Tre, Vietnam
Researchers assessed microplastic pollution in sand samples from clam farming and bathing beaches at Thanh Phu, Ben Tre, Vietnam, finding higher microplastic concentrations on clam beaches than bathing beaches and attributing the difference to contributions from coastal aquaculture activities. FTIR analysis confirmed that 62.5% of representative suspected particles were genuine plastic, with fibers and low-density polymers predominating.
Analisis Mikroplastik Pada Air Dan Sedimen Di Pantai Teluk Lampung Dengan Metode Ft-Ir (Fourier Transform Infrared)
Microplastics were analyzed in water and sediment samples from a beach in Lampung Bay, Indonesia, using Fourier Transform Infrared spectroscopy for polymer identification. Multiple polymer types were detected, with polyethylene and polypropylene among the most common. The study documents microplastic pollution in an Indonesian coastal area and establishes baseline data for future monitoring.
The applicability of reflectance micro-Fourier-transform infrared spectroscopy for the detection of synthetic microplastics in marine sediments
Researchers developed and validated an optimized micro-FT-IR spectroscopy protocol for detecting microplastics in coastal marine sediments, providing a detailed operating procedure. The standardized method improves detection reliability and enables comparison of results across laboratories studying sediment microplastic contamination.
Detection of microplastic hotspots in beach sand for national surveys using fluorescence microscopy and infrared spectroscopy: Case study on the Catalan coast
Researchers characterized microplastic contamination across 70 intertidal sand samples spanning 580 kilometers of Catalan coastline, using both fluorescence microscopy and infrared spectroscopy. They found that microplastics smaller than 0.5 mm were dominated by fibers while larger particles were mostly fragments, with polyethylene, polypropylene, and polyester being the most common polymers. The study demonstrates that Nile Red fluorescence staining can serve as an effective screening tool for identifying microplastic hotspots in national beach surveys.
Green Techniques for Detecting Microplastics in Marine with Emphasis on FTIR and NIR Spectroscopy—Short Review
This review covers green detection methods for microplastics in marine environments, with a focus on Fourier transform infrared spectroscopy and near-infrared spectroscopy. Researchers found these techniques offer more efficient and accurate analysis compared to traditional visual inspection and manual sorting. The study highlights the importance of developing reliable, environmentally friendly detection methods as concerns about microplastic contamination in seafood grow.
Characterization of Nile Red-Stained Microplastics through Fluorescence Spectroscopy
Researchers developed an improved method for characterizing microplastics using Nile Red fluorescent staining combined with fluorescence spectroscopy. They found that different plastic polymers produce distinct fluorescent signatures when stained, enabling more reliable identification of plastic types. The technique offers a faster and more affordable alternative to traditional microplastic detection methods, which could help scale up environmental monitoring efforts.
An effective strategy for the monitoring of microplastics in complex aquatic matrices: Exploiting the potential of near infrared hyperspectral imaging (NIR-HSI)
Researchers developed a near infrared hyperspectral imaging (NIR-HSI) method for rapid monitoring of microplastics in complex marine matrices, demonstrating effective detection and polymer identification that overcomes the time and cost limitations of conventional spectroscopic analysis approaches.
Distribution and characteristics of microplastics in surface water at some beaches in Thanh Hoa province, Viet Nam
Researchers characterized microplastic density, shape, size, and color in surface water at three beaches in Thanh Hoa province, Vietnam, finding high microplastic concentrations in this coastal marine environment. The study assessed microplastic exposure risks in a region where contamination can enter the food chain through aquatic organisms.
Characteristics of Microplastics and Their Affiliated PAHs in Surface Water in Ho Chi Minh City, Vietnam
Researchers characterized microplastics and associated polycyclic aromatic hydrocarbons (PAHs) in surface water across canals, the Saigon River, and coastal waters in Ho Chi Minh City, Vietnam, finding microplastics at all sites with the highest concentrations in urban canals and detecting co-occurring PAH contamination.
Not one-size-fits-all: µ-FTIR and pyrolysis GC-MS for complementary analysis of microplastics in eutrophic surface water.
Researchers applied a combined stereomicroscopy, micro-FTIR, and pyrolysis GC-MS workflow to surface water samples from Lake Victoria, finding polyethylene and polypropylene as dominant polymers by particle count while pyrolysis GC-MS quantified seven additional polymers — including nylons and PET — largely invisible to FTIR, demonstrating the complementary value of both techniques.
Optimizing microplastic analysis through comparative FTIR and raman spectroscopy: Addressing challenges in environmental degradation studies
This study optimized microplastic analysis by comparing FTIR and Raman spectroscopy approaches for identifying degraded polymer particles in environmental samples where photooxidation and mechanical fragmentation have altered spectral signatures. A combined spectroscopy approach outperformed either technique alone for accurately identifying degraded microplastics in complex environmental matrices.
Occurrence and characteristics of microplastics in water and sediment samples along the red river to the gulf of tonkin, vietnam
Researchers surveyed microplastics in water and sediment along Vietnam's Red River from inland areas to the Gulf of Tonkin, documenting the types, sizes, and polymer compositions present. The findings show how a major river system acts as a pathway delivering plastic pollution from a densely populated landscape into coastal marine waters.
Characterization of plastic debris from surface waters of the eastern Arabian Sea–Indian Ocean
Researchers characterized floating plastic debris from surface waters of the eastern Arabian Sea, finding that the microplastic size fraction (0.5-5 mm) was most prevalent at over 50% of total debris, with ATR-FTIR analysis identifying polyethylene and polypropylene as dominant polymer types. The findings document widespread plastic contamination in a poorly studied region of the Indian Ocean.
Characteristics of Microplastics in Sediment at Danang Beaches - Vietnam
Researchers characterised microplastics in beach sediments at Danang, Vietnam, determining their abundance, morphology, colour, and polymer composition. The study found microplastic contamination at all sampled sites, identifying fibres and fragments as dominant forms and linking plastic sources to local tourism, fishing, and urban runoff.