A Simple Method for Quantifying Polycarbonate and Polyethylene Terephthalate Microplastics in Environmental Samples by Liquid Chromatography–Tandem Mass Spectrometry

Wang, Lei; Zhang, Junjie; Hou, Shaogang; Sun, Hongwen

doi:10.1021/acs.estlett.7b00454

Cited by 147 publications

(98 citation statements)

References 19 publications

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“…Plastics always contain plastic additives such as pigments, stabilizers and plasticizers, flame retardants and so on to improve their mechanical and processing performances. A recent study quantified the microplastics through determining the concentration of additives in microplastics [36]. In that study, the alkali-assisted thermal hydrolysis was first applied to depolymerize polycarbonate (PC) and polyethylene terephthalate (PET) microplastics in a pentanol or butanol system.…”

Section: Identification and Quantification Of Microplasticsmentioning

confidence: 99%

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

Liu

Wang

Zhu

et al. 2021

Water

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Recently, microplastics pollution has attracted much attention in the environmental field, as researchers have found traces of microplastics in both marine and terrestrial ecological environments. Here, we reviewed and discussed the current progress on microplastics pollution in the marine environment from three main aspects including their identification and qualification methods, source and distribution, and fate and toxicity in a marine ecosystem. Microplastics in the marine environment originate from a variety of sources and distribute broadly all around the world, but their quantitative information is still lacking. Up to now, there have been no adequate and standard methods to identify and quantify the various types of microplastics, which need to be developed and unified. The fate of microplastics in the environment is particularly important as they may be transferred or accumulated in the biological chain. Meanwhile, microplastics may have a high adsorption capacity to pollutants, which is the basic research to further study their fate and joint toxicity in the environment. Therefore, all the findings are expected to fill the knowledge gaps in microplastics pollution and promote the development of relative regulations.

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Section: Identification and Quantification Of Microplasticsmentioning

confidence: 99%

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

Liu

Wang

Zhu

et al. 2021

Water

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show abstract

“…Here, we focused on the MP identification and quantification methods. To identify and quantify MPs, several analytical methods such as optical/fluorescence microscopy [ 57 ], scanning electron microscopy (SEM), FTIR [ 58 , 59 ], Raman spectroscopy [ 60 ], thermogravimetric analysis [ 61 ], differential scanning calorimetry (DSC), and mass spectroscopy [ 62 , 63 ] have been used [ 24 , 64 , 65 ].…”

Section: Current Technologies Used For Mp Detection and Quantificamentioning

confidence: 99%

Recent Purification Technologies and Human Health Risk Assessment of Microplastics

et al. 2020

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Microplastic (MP)-based contaminants in the environment are pervasive, but standard technologies used for MP identification have not yet been reported. Human beings take up MPs from the environmental ecosystem through the food chain without any particular purification. MPs can penetrate into capillaries from the bloodstream, resulting in endocrine system disorders or toxicity. In this review, we introduced several technologies, such as filtration using membranes, biological degradation, electrocoagulation, and removal using nanoparticles, used for the purification of MPs or related contaminants. Current studies of identification methods of MPs and evaluation tests of MPs exposure-based harmfulness in vitro and in vivo were summarized.

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“…Typically, the statistics for plastic particles are counted manually under the microscope, but this is time-consuming and inaccurate. Wang et al developed a method for directly quantifying PC and PET microplastics in environments by depolymerizing these plastics and identifying emerging structural unit compounds (Wang, Zhang, Hou, & Sun, 2017). The method was successfully applied to sludge, marine sediments, indoor dust, mussel, and earthworm digestive residues.…”

Section: Quantification Of Microplasticsmentioning

confidence: 99%

Challenge for the detection of microplastics in the environment

Liu

Yan

Feng

et al. 2019

Water Environment Research

122

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As an emerging contaminant in the environment, microplastics have attracted worldwide attention. Although research methods on microplastics in the environment have been reported extensively, the data on microplastics obtained cannot be comparable due to different methods. In this work, we critically reviewed the analytical methods of microplastics, including sample collection, separation, identification, and quantification. Manta trawl and tweezers or cassette corers are used to collect water samples and sediments, respectively. For biota sample, internal organs need to be dissected and separated to obtain microplastics. Density differences are often used to separate microplastics from the sample matrix. Visual classification is one of the most common methods for identifying microplastics, and it can be better detected by combining it with other instruments. However, they are not suitable for detection nanoplastics, which may lead to underestimation of risk. The abundance of microplastics varies with the detection method. Thus, the analytical methods for microplastics need to be standardized as soon as possible. Meanwhile, new methods for analyzing nanoplastics are urgently needed. © 2019 Water Environment Federation • Practitioner points • Sampling, separation, identification, and quantification are important procedures. • The sampling and separation methods for microplastics need to be standardized. • The organic matter can be removed by digestion to facilitate identification. • Combine microscope with analytical instruments to better identify microplastics. • There is still a challenge to quantification of smaller-sized plastic particles.

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A Simple Method for Quantifying Polycarbonate and Polyethylene Terephthalate Microplastics in Environmental Samples by Liquid Chromatography–Tandem Mass Spectrometry

Cited by 147 publications

References 19 publications

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

Recent Purification Technologies and Human Health Risk Assessment of Microplastics

Challenge for the detection of microplastics in the environment

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