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Papers
7 resultsShowing papers from Louisiana State University Agricultural Center
ClearIdentification and Quantification of Microplastic Pollution in Water Samples and Four Species of Fish from the Mississippi River
Microplastics were found in water samples and in four fish species from the Mississippi River, the largest North American river draining a densely populated watershed. The findings confirm that one of the world's major river systems is contaminated with microplastics, which are likely entering the Gulf of Mexico.
Microplastics in Mississippi River Fishes: A Watershed Approach
This study examined microplastic occurrence in fish from multiple locations along the Mississippi River watershed, finding widespread contamination across species. Researchers used a watershed-scale approach to understand how microplastics enter river food webs and accumulate in freshwater fish.
Accurate detection of low concentrations of microplastics in soils via short-wave infrared hyperspectral imaging
Researchers combined short-wave infrared hyperspectral imaging with machine learning algorithms to detect low concentrations of polyamide and polyethylene microplastics in soil samples, achieving accurate classification with implications for fast, non-destructive screening of agricultural land for plastic contamination.
Non-equilibrium Colloidal Phenomena in Magnetic Fields and Photoillumination: From Controlling Living Microbots to Understanding Microplastics
This dissertation investigates non-equilibrium behavior of colloidal particles under magnetic fields and light, demonstrating control of colloidal assembly and living organism motility via ferrofluids, while also developing physical insights into how microplastics interact with biological membranes in out-of-equilibrium conditions.
Bioremediation of Petroleum-Based Contaminants by Alkane-Degrading Bacterium Alcanivorax borkumensis
Researchers investigated the ability of the bacterium Alcanivorax to biodegrade petroleum-based contaminants in soil and water environments. The study assessed its hydrocarbon-degrading enzyme activity and potential applications in environmental cleanup.
Emulsion Templating Application for Synthesis of a Porous Zein Biocompatible Oil Adsorbent
Researchers synthesized a porous zein-based biocompatible material using emulsion templating for absorbing spilled oil from water surfaces, finding it effectively captured oil without releasing harmful microplastics as breakdown products. Using biodegradable protein-based materials for oil spill remediation avoids the secondary plastic pollution risk associated with conventional synthetic absorbents.
Mapping Plastic Pollution in the Amite Watershed, Louisiana
Researchers mapped microplastic pollution across the Amite River watershed in Louisiana, finding plastics present throughout the river system at concentrations linked to upstream land use. The study highlights rivers as important corridors transporting land-based plastic pollution toward the ocean.