We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
CE-UV/LIF Analysis of Organic Fluorescent Dyes for Detection of Nanoplastics in Water for Quality Control
AI summary Read the abstract
This study evaluated whether capillary electrophoresis combined with UV and laser-induced fluorescence detection could reliably identify fluorescent dyes used to label nanoplastics in water quality testing. The method successfully distinguished multiple organic dyes, offering a quality control approach for nanoplastic detection workflows that rely on fluorescent tagging. Reliable analytical methods for nanoplastics in water are urgently needed, as these particles are too small to detect with many conventional techniques and are increasingly found in drinking water sources.
Nanoplastics are a type of plastic that forms because of the degradation of bulk plastics due to several natural factors, and they are everywhere around us. Nanoplastics are a global concern due to their diverse composition. Additionally, detecting and analyzing these particles in water samples is challenging, as they also often bind with organic pollutants. Current water treatment methods are ineffective against nanoplastics, and these plastics can take years to degrade completely. One of the promising methods to detect nanoplastics is using organic fluorescent dyes that can bind to the nanoplastics by interactions with their surfaces. Capillary electrophoresis with UV detection or laser-induced fluorescence are feasible techniques for this, especially laser-induced fluorescence, as it can give much more sensitivity and selectivity for the fluorescent dyes. The research aimed to validate capillary electrophoresis (CE) with UV spectrophotometer/laser-induced fluorescence detection (LIF) for the quantitative analysis of micro/nanoplastics in lake/ground/well/tap water samples using organic fluorescent dyes. CE was used with a blue laser, a photodetector, and a UV detector. A 50%/50% mixture of R6G & DCM (Rhody dye) was used as it showed the most promising results. It was found that the CE-UV/LIF method, especially CE-LIF, has shown potential for analyzing the nanoplastics contents of real-world water samples. Rhody dye mixtures showed good binding to the polystyrene nanoplastics, especially at lower concentrations. However, with the rise of cheminformatics and artificial intelligence-machine learning, fluorescent dye-based chemosensors will be better designed for future applications of CE-UV/LIF.
More Papers Like This
CE-UV/LIF Analysis of Organic Fluorescent Dyes for Detection of Nanoplastics in Water Quality Testing
AI summary Read the abstract
Scientists developed a method using capillary electrophoresis with fluorescent dye labeling to detect nanoplastics in drinking water. They were able to identify PET nanoplastics from commercially bottled water with an average size of around 88 nanometers. The study provides a new analytical tool for detecting plastic particles too small for conventional methods, helping improve water quality testing.
Determination of polystyrene nanospheres and other nanoplastics in water via binding with organic dyes by capillary electrophoresis with laser-induced fluorescence detection
AI summary Read the abstract
Researchers developed a new capillary electrophoresis method using fluorescent organic dyes to quantitatively detect polystyrene nanospheres and other nanoplastics in water samples, successfully differentiating them from microplastics and colloidal particles.
Development of a Dye-Binding Method for Nanoplastics Detection in Water and Snow Samples using Capillary Electrophoresis with Laser Induced Fluorescence
AI summary Read the abstract
Scientists developed a fast, sensitive test that uses glowing dyes to detect tiny plastic particles (nanoplastics) in water, particles so small that older methods often miss them. This matters because nanoplastics may pose health risks we're still working to understand, and better detection tools help us track contamination in drinking water and evaluate cleanup methods. In fact, the researchers also tested a simple protein (casein) that removed 94% of nanoplastics from water, offering a promising step toward practical solutions.
Fast and portable fluorescence lifetime analysis for early warning detection of micro- and nanoplastics in water
AI summary Read the abstract
Researchers developed a portable fluorescence-based system that can detect micro- and nanoplastics in water without any sample preparation or labeling. The method works by measuring the natural fluorescence lifetime of plastic particles using a pulsed laser, achieving detection limits as low as 0.01 mg/mL. The study presents a promising early-warning tool for rapid, on-site monitoring of plastic contamination in water sources.
Development of a Dye-Binding Method for Nanoplastics Detection in Snow Samples Using Capillary Electrophoresis with Laser-Induced Fluorescence Detection
AI summary Read the abstract
Scientists developed a new method to detect and quantify nanoplastics in snow—particles so small they are extremely difficult to measure—using fluorescent dyes that bind to plastic particles, followed by capillary electrophoresis and laser-induced fluorescence detection. The technique can identify as little as 0.1 micrograms of nanoplastics in melted snow within 15 minutes, with minimal sample handling. Finding nanoplastics in snow is significant because snowfall can deposit airborne plastic particles over large areas, including remote wilderness and drinking-water catchments far from pollution sources.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.