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Papers
61,005 resultsShowing papers similar to Infrared Microscopy: A Multidisciplinary Review of Techniques, Applications, and Ethical Dimensions
ClearAnalysing micro- and nanoplastics with cutting-edge infrared spectroscopy techniques: a critical review
This review evaluates cutting-edge infrared spectroscopy techniques for detecting and analyzing micro- and nanoplastics in environmental and food samples. Better detection methods are crucial for understanding human exposure because they allow scientists to measure smaller particles more accurately, including nanoplastics that are small enough to cross biological barriers and accumulate in human tissues.
Applications of Fourier Transform-Infrared spectroscopy in microbial cell biology and environmental microbiology: advances, challenges, and future perspectives
This review covers how Fourier Transform-Infrared (FT-IR) spectroscopy is used in microbiology to identify microorganisms, study biofilms, and monitor environmental interactions. While not directly about microplastics, FT-IR is one of the primary tools scientists use to identify and measure microplastic contamination in environmental samples. The review discusses challenges and future directions that could improve microplastic detection accuracy.
Application of Infrared and Near-Infrared Microspectroscopy to Microplastic Human Exposure Measurements
This review evaluates how infrared and near-infrared microscopy techniques are being used to measure human exposure to microplastics from drinking water, dust, food, and air. Researchers found that while these spectroscopic tools are powerful for identifying plastic types and sizes, significant challenges remain in standardizing methods across different sample types. The study highlights that consistent, reliable exposure measurements are essential for understanding whether microplastic levels in everyday environments pose meaningful health risks.
Worthwhile Relevance of Infrared Spectroscopy in Characterization of Samples and Concept of Infrared Spectroscopy-Based Synchrotron Radiation
This review examines the usefulness of infrared spectroscopy for characterizing a wide range of sample types, including plastics and environmental materials. It also introduces the concept of synchrotron radiation-based infrared spectroscopy as an advanced analytical tool for high-resolution material characterization.
Microplastic Detection and Monitoring in Biological and Environmental Systems: A Mini Review of Techniques and Strategies
This mini review compares the major techniques used to detect and measure microplastics in both environmental and biological samples, including infrared spectroscopy, Raman spectroscopy, and mass spectrometry methods. Researchers evaluated the strengths and limitations of each approach for identifying different types and sizes of microplastic particles. The study provides practical guidance for choosing the right detection method depending on the specific research question and sample type.
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.
Harmonizing infrared spectroscopic techniques for microplastic identification: a comparative evaluation of ATR and µFTIR transmission and reflection modes
Researchers systematically compared the performance of Attenuated Total Reflectance (ATR) and micro-Fourier Transform Infrared Spectroscopy (muFTIR) in both transmission and reflection modes for identifying microplastics from twelve common real-world plastic products, providing guidance on optimizing spectroscopic technique selection.
Advanced analytical techniques for microplastics in the environment: a review
Researchers reviewed the most advanced laboratory tools for detecting and identifying microplastics in environmental samples — including infrared spectroscopy, Raman spectroscopy, and pyrolysis gas chromatography — summarizing the strengths and weaknesses of each technique to help researchers choose the right method for accurate microplastic analysis.
High-resolution characterization technology for micro-/nano-plastics
This review provides an overview of advanced technologies for detecting and characterizing micro- and nanoplastics, including Raman spectroscopy, infrared imaging, and mass spectrometry techniques. Researchers evaluated the capabilities and limitations of each method, particularly for identifying the smallest plastic particles that are most challenging to measure. The study emphasizes that improving detection at the nanoscale is essential for accurately assessing the environmental and health risks of plastic pollution.
Microplastics: Challenges, toxicity, spectroscopic and real-time detection methods
This review paper summarizes the challenges of detecting microplastics and the latest methods scientists use to find and identify them, including infrared, Raman, and fluorescence spectroscopy. It also covers the known toxic effects of microplastics on living organisms, including how they can carry harmful chemicals and pathogens. Better detection methods are important because understanding where microplastics are and what types are present is the first step toward assessing health risks.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
Researchers reviewed the analytical tools most commonly used for identifying and quantifying microplastics, focusing on FTIR and Raman spectroscopy as the two primary methods. The review compared their strengths and limitations and provided guidance for choosing between them based on particle size, sample matrix, and research objectives.
Method for label-free & non-destructive detection of microplastics in human formalin-fixed paraffin-embedded tissue sections
Researchers developed a new method to detect microplastic particles directly in preserved human colon tissue samples using advanced infrared microscopy, without destroying the tissue. They identified polyethylene, polystyrene, and PET particles within the tissue and observed signs of inflammation near the plastic particles, marking what may be the first workflow that combines microplastic detection with standard pathology analysis in human samples.
Influx of Near-Infrared Technology in Microplastic Community: A Bibliometric Analysis
This bibliometric analysis mapped the growing use of near-infrared spectroscopy for microplastic identification, finding it is emerging as a practical, portable alternative to FTIR spectroscopy for field-based polymer analysis.
Advances in microplastic characterization: Spectroscopic techniques and heavy metal adsorption insights
This review covers the various techniques scientists use to identify and characterize microplastics and the heavy metals that stick to their surfaces, including infrared spectroscopy, Raman spectroscopy, and electron microscopy. Understanding what types of plastics are present and what toxic metals they carry is essential for assessing the health risks of microplastic exposure.
An investigation on the applications of advanced Infrared Spectroscopy, Spectral Imaging and Machine Learning for Polymer Characterization, including microplastics
This study integrated advanced infrared spectroscopy, spectral imaging, chemometrics, and machine learning to identify and characterize microplastics and polymer degradation products. The combination of techniques improved both the accuracy and throughput of MP analysis compared to conventional methods.
Analytical methods for microplastics in the environment: a review
Researchers reviewed classical and advanced analytical methods for detecting microplastics in the environment. The methods covered include visual analysis, electron microscopy, infrared and Raman spectroscopy, thermal analysis, mass spectrometry, and flow cytometry, providing a comprehensive overview of available tools for microplastic identification and quantification.
Recognition and detection technology for microplastic, its source and health effects
This review summarizes current knowledge about detecting microplastics and their effects on human health, covering methods like FTIR spectroscopy and Raman imaging. The authors highlight that micro- and nanoplastics can cause a range of health problems including oxidative stress, reduced reproductive ability, inflammation, and damage to the circulatory and respiratory systems. The review emphasizes the urgent need for better detection methods so that researchers and regulators can accurately assess how much microplastic people are actually exposed to.
Identifying Microplastics in Laboratory and Atmospheric Aerosol Mixtures via Optical Photothermal Infrared and Raman Microspectroscopy
Researchers developed optical photothermal infrared spectroscopy methods to identify microplastics in both laboratory-prepared and real atmospheric aerosol samples, demonstrating the technique's ability to distinguish plastic particles from other aerosol components in complex air quality monitoring contexts.
Microplastic pollution: a review of techniques to identify microplastics and their threats to the aquatic ecosystem
This review summarizes existing research on methods for identifying microplastics in water and their effects on aquatic ecosystems. The paper covers detection techniques like infrared and Raman spectroscopy and discusses how microplastics threaten aquatic organisms through ingestion and entanglement. Since these contaminated organisms enter the human food chain, the findings underscore why understanding aquatic microplastic pollution matters for human health.
Identification of microplastics and nanoplastics in environmental water by AFM-IR
Scientists used a new technique called AFM-IR, which combines atomic force microscopy with infrared spectroscopy, to identify individual nanoplastic particles in environmental water for the first time. This method can detect particles as small as 100 nanometers, far beyond the limits of traditional microscopy. They found several types of nanoplastics in a water sample, including an epoxy and a biodegradable plastic, demonstrating that this tool could improve our ability to track nanoplastic pollution.
Analysis of environmental microplastics by vibrational microspectroscopy: FTIR, Raman or both?
This study reviewed analytical methods for environmental microplastic analysis using vibrational microspectroscopy — comparing FTIR, Raman, and related techniques — and provided guidance on method selection for different sample types and research questions.
Identification of microplastics by FTIR and Raman microscopy: a novel silicon filter substrate opens the important spectral range below 1300 cm−1 for FTIR transmission measurements
Researchers developed a new approach using silicon filters compatible with both FT-IR and Raman spectroscopy to identify microplastics in environmental samples. The silicon filter substrate allows transmission-mode IR imaging across the entire sample without manual pre-sorting, improving efficiency and reducing contamination risk.
Investigating Microplastic Presence in Eye Drops Using Micro-Fourier Transform Infrared Spectroscopy
Using micro-FTIR spectroscopy, researchers detected microplastic particles ≥20 μm in commercial eye drops, finding evidence of plastic contamination in ophthalmic products and recommending further investigation into packaging sources.
Advanced Optical Imaging Technologies for Microplastics Identification: Progress and Challenges
This review surveys advanced optical imaging technologies used to identify microplastics and nanoplastics in environmental samples. Researchers compared techniques like Raman spectroscopy, infrared imaging, and fluorescence microscopy, noting their strengths and limitations for detecting increasingly small particles. The study highlights that improving detection methods is essential for accurately monitoring the full scope of plastic pollution.