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Rajabimashhadi Z, Gallo N, Russo F, Ghiyami S, Mele C, Giordano ME, Lionetto MG, Salvatore L, Lionetto F. Production and physico-chemical characterization of nano-sized collagen from equine tendon. Int J Biol Macromol 2024; 277:134220. [PMID: 39069054 DOI: 10.1016/j.ijbiomac.2024.134220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/24/2024] [Accepted: 07/25/2024] [Indexed: 07/30/2024]
Abstract
In recent years, significant academic and commercial interest has focused on collagen derived from horse tendons, with potential applications across diverse sectors such as medicine, pharmaceuticals, and cosmetics. Nano collagen, with its enhanced wound penetration, improved cell contact, and heightened cellular regeneration and repair capabilities due to its high surface area, holds promise for a wide range of applications. In this study, we present a novel method for producing nano collagen from the equine tendon. Our approach is characterized by its speed, affordability, simplicity and environmentally friendly nature, with precise temperature-control to prevent collagen denaturation. We conducted a comprehensive characterization of the obtained samples, including assessments of morphology, chemical and thermal properties, particle size distribution and biocompatibility. Importantly, our results indicate improvements in thermal stability, and surface roughness of nano collagen, while preserving its molecular weight. These advancements expand the potential applications of nano collagen in various fields.
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Affiliation(s)
- Zahra Rajabimashhadi
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy
| | - Nunzia Gallo
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy; Typeone Biomaterials S.r.l., Via Europa 167, 73021 Calimera, Lecce, Italy
| | - Francesca Russo
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy
| | - Sajjad Ghiyami
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy
| | - Claudio Mele
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy
| | - Maria Elena Giordano
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via per Monteroni, Lecce, Italy
| | - Maria Giulia Lionetto
- Department of Biological and Environmental Sciences and Technologies, University of Salento, via per Monteroni, Lecce, Italy
| | - Luca Salvatore
- Typeone Biomaterials S.r.l., Via Europa 167, 73021 Calimera, Lecce, Italy
| | - Francesca Lionetto
- Department of Engineering for Innovation, University of Salento, via per Monteroni, Lecce, Italy.
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2
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Cadondon J, Vallar E, Shiina T, Galvez MC. Experimental detection of marine plastic litter in surface waters by 405 nm LD-based fluorescence lidar. MARINE POLLUTION BULLETIN 2024; 207:116842. [PMID: 39173473 DOI: 10.1016/j.marpolbul.2024.116842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 08/07/2024] [Accepted: 08/09/2024] [Indexed: 08/24/2024]
Abstract
Plastic pollution has become a global challenge, affecting water quality and health. Plastics including polystyrene (PS), polyvinyl chloride (PVC), polypropylene (PP), polyethylene terephthalate (PET), and high-density polyethylene (HDPE), are significant contributors to environmental pollution. With the growing need for investigation and detection of plastics found in natural waters, we propose the use of a portable laser diode (LD)-based fluorescence lidar system for in-situ detection of plastic litters in surface waters based on excitation-emission fluorescence spectroscopic data. The experiments were carried out in a controlled environment using a fluorescence lidar system with 405 nm excitation wavelength to determine the fluorescence signals of several plastics at 470 nm emission wavelength. Simultaneous detection of PET plastic and Chlorella vulgaris were also observed to determine the fluorescence influence of chlorophyll in surface waters. Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy was employed to study the chemical composition of the plastics used before and after being submerged in the water. Scanning electron microscopy (SEM) and high-resolution camera microscopy were used to analyze the morphology of the submerged PET samples. This study provides a basis for a new in-situ technique using a fluorescence lidar system for submerged or transparent plastics in surface waters.
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Affiliation(s)
- Jumar Cadondon
- Environment And RemoTe sensing researcH (EARTH) Laboratory, Department of Physics, College of Science, De La Salle University Manila 0922, Philippines; Division of Physical Sciences and Mathematics, College of Arts and Sciences, University of the Philippines Visayas, Miagao 5023, Iloilo, Philippines.
| | - Edgar Vallar
- Environment And RemoTe sensing researcH (EARTH) Laboratory, Department of Physics, College of Science, De La Salle University Manila 0922, Philippines
| | - Tatsuo Shiina
- Graduate School of Science and Engineering, Chiba University, Chiba-Shi, Chiba 263-8522, Japan
| | - Maria Cecilia Galvez
- Environment And RemoTe sensing researcH (EARTH) Laboratory, Department of Physics, College of Science, De La Salle University Manila 0922, Philippines
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Polo G, Lionetto F, Giordano ME, Lionetto MG. Interaction of Micro- and Nanoplastics with Enzymes: The Case of Carbonic Anhydrase. Int J Mol Sci 2024; 25:9716. [PMID: 39273668 PMCID: PMC11396312 DOI: 10.3390/ijms25179716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2024] [Revised: 08/30/2024] [Accepted: 09/05/2024] [Indexed: 09/15/2024] Open
Abstract
Microplastics (MPs) and nanoplastics (NPs) have emerged as significant environmental pollutants with potential detrimental effects on ecosystems and human health. Several studies indicate their interaction with enzymes; this topic represents a multifaceted research field encompassing several areas of interest from the toxicological and ecotoxicological impact of MPs and NPs on humans and wildlife to the biodegradation of plastics by microbial enzymes. This review aims to provide a critical analysis of the state-of-the-art knowledge of the interaction of MPs and NPs on the enzyme carbonic anhydrase (CA), providing recent insights, analyzing the knowledge gaps in the field, and drawing future perspectives of the research and its application. CA is a widespread and crucial enzyme in various organisms; it is critical for various physiological processes in animals, plants, and bacteria. It catalyzes the reversible hydration of CO2, which is essential for respiration, acid-base balance, pH homeostasis, ion transport, calcification, and photosynthesis. Studies demonstrate that MPs and NPs can inhibit CA activity with mechanisms including adsorption to the enzyme surface and subsequent conformational changes. In vitro and in silico studies highlight the role of electrostatic and hydrophobic interactions in these processes. In vivo studies present mixed results, which are influenced by factors like particle type, size, concentration, and organism type. Moreover, the potentiality of the esterase activity of CA for plastic degradation is discussed. The complexity of the interaction between CA and MPs/NPs underscores the need for further research to fully understand the ecological and health impacts of MPs and NPs on CA activity and expression and glimpses of the potentiality and perspectives in this field.
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Affiliation(s)
- Gregorio Polo
- Department of Mathematics and Physics, University of Salento, Via per Arnesano, 73100 Lecce, Italy
| | - Francesca Lionetto
- Department of Engineering for Innovation, University of Salento, Via per Monteroni, 73100 Lecce, Italy
| | - Maria Elena Giordano
- Department of Environmental and Biological Sciences and Technologies (DiSTeBA), University of Salento, Via per Monteroni, 73100 Lecce, Italy
| | - Maria Giulia Lionetto
- Department of Environmental and Biological Sciences and Technologies (DiSTeBA), University of Salento, Via per Monteroni, 73100 Lecce, Italy
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
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Nam H, Gil D, Lee JJ, Kim C. Dual-channel fluorescence dye: Fluorescent color-dependent visual detection of microplastics and selective polyurethane. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169219. [PMID: 38097083 DOI: 10.1016/j.scitotenv.2023.169219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/03/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023]
Abstract
In this study, we developed a dual-channel fluorescent dye ((E)-N'-(4-(diphenylamino)benzylidene)pyrazine-2-carbohydrazide) DPC for visual detection of 8 types of microplastics (MPs; HDPE, MDPE, LDPE, PET, PU, PVC, PS, and PP) and selective PU. The intramolecular charge transfer (ICT) and aggregation-induced emission (AIE) properties of DPC were demonstrated by the spectroscopic analysis, DFT calculations, and Tyndall effect. MPs and nonplastics (cellulose, chitin, sand, shell, and wood) were stained with DPC in water and their respective fluorescence signals in the blue and green channels were analyzed. The staining procedure using DPC was optimized with the concentration of DPC and staining time as parameters. DPC was able to effectively stain 8 types of MPs and only PU in blue and green fluorescence signals, respectively. Furthermore, false positive detections of DPC were minimized through additional ethanol treatment after staining. Moreover, the effects of temperature, pH, and salinity on the staining ability of DPC were investigated. Surprisingly, DPC was able to selectively detect PU through the green fluorescence signal even in a single environment where various MPs existed. Most importantly, DPC is the first fluorescent dye capable of selectively monitoring PU in the green channel as well as staining 8 types of MPs in the blue channel. DPC showed promising potential to be used for MP monitoring on real environmental samples.
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Affiliation(s)
- Hyejin Nam
- Department of Fine Chem., Seoul National Univ. of Sci. and Tech. (SNUT), Seoul 01811, Republic of Korea
| | - Dongkyun Gil
- Department of Fine Chem., Seoul National Univ. of Sci. and Tech. (SNUT), Seoul 01811, Republic of Korea
| | - Jae Jun Lee
- Department of Fine Chem., Seoul National Univ. of Sci. and Tech. (SNUT), Seoul 01811, Republic of Korea
| | - Cheal Kim
- Department of Fine Chem., Seoul National Univ. of Sci. and Tech. (SNUT), Seoul 01811, Republic of Korea.
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Udayan G, Giordano ME, Pagliara P, Lionetto MG. Motility of Mytilus galloprovincialis hemocytes: Sensitivity to paracetamol in vitro exposure. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 265:106779. [PMID: 38016241 DOI: 10.1016/j.aquatox.2023.106779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/17/2023] [Accepted: 11/23/2023] [Indexed: 11/30/2023]
Abstract
Pharmaceuticals released into the environment (PiEs) represent an environmental problem of growing concern for the health of ecosystems and humans. An increasing number of studies show that PiEs pose a risk to aquatic organisms. The aim of the present work was to contribute to increasing the knowledge of the effects of PiE on marine biota focusing on the effect of paracetamol on the motility of hemocytes in Mytilus galloprovincialis, a bivalve mollusk species widely utilized as bioindicator organism. Hemocytes are the immunocompetent cells of bivalve mollusks. An early and key stage of mollusk immune response is represented by the recruitment and migration of these cells to the site of infection. Therefore, motility is an intrinsic characteristic of these cells. Here, we first characterized the spontaneous cell movement of M. galloprovincialis hemocytes when plated in a TC-treated polystyrene 96-well microplate. Two different cellular morphotypes were distinguished based on their appearance and motility behavior: spread cells and round-star-shaped cells. The two motility morphotypes were characterized by different velocities as well as movement directness, which were significantly lower in round-star-shaped cells with respect to spread cells. The sensitivity of the motility of M. galloprovincialis hemocytes to paracetamol at different concentrations (0.02, 0.2 and 2 mg/L) was investigated in vitro after 1h and 24h exposure. Paracetamol induced alterations in the motility behavior (both velocity and trajectories) of the hemocytes and the effects were cell-type specific. The study of hemocyte movements at the single cell level by cell tracking and velocimetric parameters analysis provides new sensitive tools for assessing the effects of emerging pollutants at the cellular levels in non-target organisms.
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Affiliation(s)
- Gayatri Udayan
- Dept. Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Italy
| | - Maria Elena Giordano
- Dept. Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Italy
| | - Patrizia Pagliara
- Dept. Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Italy
| | - Maria Giulia Lionetto
- Dept. Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, Italy.
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Shrestha K, Kim S, Han J, Florez GM, Truong H, Hoang T, Parajuli S, AM T, Kim B, Jung Y, Abafogi AT, Lee Y, Song SH, Lee J, Park S, Kang M, Huh HJ, Cho G, Lee LP. Mobile Efficient Diagnostics of Infectious Diseases via On-Chip RT-qPCR: MEDIC-PCR. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302072. [PMID: 37587764 PMCID: PMC10558658 DOI: 10.1002/advs.202302072] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/21/2023] [Indexed: 08/18/2023]
Abstract
The COVID-19 outbreak has caused public and global health crises. However, the lack of on-site fast, reliable, sensitive, and low-cost reverse transcription polymerase chain reaction (RT-PCR) testing limits early detection, timely isolation, and epidemic prevention and control. Here, the authors report a rapid mobile efficient diagnostics of infectious diseases via on-chip -RT-quantitative PCR (RT-qPCR): MEDIC-PCR. First, the authors use a roll-to-roll printing process to accomplish low-cost carbon-black-based disposable PCR chips that enable rapid LED-induced photothermal PCR cycles. The MEDIC-PCR can perform RT (3 min), and PCR (9 min) steps. Further, the cohort of 89 COVID-19 and 103 non-COVID-19 patients testing is completed by the MEDIC-PCR to show excellent diagnostic accuracy of 97%, sensitivity of 94%, and specificity of 98%. This MEDIC-PCR can contribute to the preventive global health in the face of a future pandemic.
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Affiliation(s)
- Kiran Shrestha
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Seongryeong Kim
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Jiyeon Han
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Gabriela Morales Florez
- Department of Biological ScienceCollege of ScienceSungkyunkwan UniversitySuwon16419South Korea
| | - Han Truong
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Trung Hoang
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
| | - Sajjan Parajuli
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Tiara AM
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Beomsoo Kim
- School of Electronic and Electrical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Younsu Jung
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | | | - Yugyeong Lee
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Seung Hyun Song
- Department of Electronics EngineeringSookmyung Women's UniversitySeoul04310South Korea
| | - Jinkee Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Sungsu Park
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Minhee Kang
- Biomedical Engineering Research CenterSmart Healthcare Research InstituteSamsung Medical CenterSeoul06352South Korea
- Department of Medical Device Management and ResearchSAIHST (Samsung Advanced Institute for Health Sciences & Technology)Sungkyunkwan UniversitySeoul06355South Korea
| | - Hee Jae Huh
- School of MedicineDepartment of Laboratory Medicine and GeneticsSamsung Medical CenterSungkyunkwan UniversitySeoul06351South Korea
| | - Gyoujin Cho
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Luke P. Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Harvard Medical SchoolDepartment of MedicineBrigham Women's HospitalBostonMA02115USA
- Department of BioengineeringUniversity of California at BerkeleyBerkeleyCA94720USA
- Department of Electrical Engineering and Computer ScienceUniversity of California at BerkeleyBerkeleyCA94720USA
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Zhang Y, Rémy M, Apartsin E, Prouvé E, Feuillie C, Labrugère C, Cam N, Durrieu MC. Controlling differentiation of stem cells via bioactive disordered cues. Biomater Sci 2023; 11:6116-6134. [PMID: 37602410 DOI: 10.1039/d3bm00605k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Ideal bone tissue engineering is to induce bone regeneration through the synergistic integration of biomaterial scaffolds, bone progenitor cells, and bone-forming factors. Biomimetic scaffolds imitate the native extracellular matrix (ECM) and are often utilized in vitro as analogues of the natural ECM to facilitate investigations of cell-ECM interactions and processes. In vivo, the cellular microenvironment has a crucial impact on regulating cell behavior and functions. A PET surface was activated and then functionalized with mimetic peptides to promote human mesenchymal stem cell (hMSC) adhesion and differentiation into an osteogenic lineage. Spray technology was used to randomly micropattern peptides (RGD and BMP-2 mimetic peptides) on the PET surface. The distribution of the peptides grafted on the surface, the roughness of the surfaces and the chemistry of the surfaces in each step of the treatment were ascertained by atomic force microscopy, fluorescence microscopy, time-of-flight secondary ion mass spectrometry, Toluidine Blue O assay, and X-ray photoelectron spectroscopy. Subsequently, cell lineage differentiation was evaluated by quantifying the expression of immunofluorescence markers: osteoblast markers (Runx-2, OPN) and osteocyte markers (E11, DMP1, and SOST). In this article, we hypothesized that a unique combination of bioactive micro/nanopatterns on a polymer surface improves the rate of morphology change and enhances hMSC differentiation. In DMEM, after 14 days, disordered micropatterned surfaces with RGD and BMP-2 led to a higher osteoblast marker expression than surfaces with a homogeneous dual peptide conjugation. Finally, hMSCs cultured in osteogenic differentiation medium (ODM) showed accelerated cell differentiation. In ODM, our results highlighted the expression of osteocyte markers when hMSCs were seeded on PET surfaces with random micropatterns.
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Affiliation(s)
- Yujie Zhang
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | - Murielle Rémy
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | - Evgeny Apartsin
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | - Emilie Prouvé
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | - Cécile Feuillie
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France.
| | | | - Nithavong Cam
- Univ. Bordeaux, CNRS, PLACAMAT, UAR 3626, F-33600 Pessac, France
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Mandemaker LDB, Meirer F. Spectro-Microscopic Techniques for Studying Nanoplastics in the Environment and in Organisms. Angew Chem Int Ed Engl 2023; 62:e202210494. [PMID: 36278811 PMCID: PMC10100025 DOI: 10.1002/anie.202210494] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 11/06/2022]
Abstract
Nanoplastics (NPs), small (<1 μm) polymer particles formed from bulk plastics, are a potential threat to human health and the environment. Orders of magnitude smaller than microplastics (MPs), they might behave differently due to their larger surface area and small size, which allows them to diffuse through organic barriers. However, detecting NPs in the environment and organic matrices has proven to be difficult, as their chemical nature is similar to these matrices. Furthermore, as their size is smaller than the (spatial) detection limit of common analytical tools, they are hard to find and quantify. We highlight different micro-spectroscopic techniques utilized for NP detection and argue that an analysis procedure should involve both particle imaging and correlative or direct chemical characterization of the same particles or samples. Finally, we highlight methods that can do both simultaneously, but with the downside that large particle numbers and statistics cannot be obtained.
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Affiliation(s)
- Laurens D. B. Mandemaker
- Inorganic Chemistry and CatalysisDebye Institute for Nanomaterial ScienceUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Florian Meirer
- Inorganic Chemistry and CatalysisDebye Institute for Nanomaterial ScienceUniversiteitsweg 993584 CGUtrechtThe Netherlands
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Zhao M, Huang L, Arulmani SRB, Yan J, Wu L, Wu T, Zhang H, Xiao T. Adsorption of Different Pollutants by Using Microplastic with Different Influencing Factors and Mechanisms in Wastewater: A Review. NANOMATERIALS 2022; 12:nano12132256. [PMID: 35808092 PMCID: PMC9268391 DOI: 10.3390/nano12132256] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 02/06/2023]
Abstract
The studies on microplastics are significant in the world. According to the literature, microplastics have greatly specific surface areas, indicating high adsorption capacities for highly toxic pollutants in aquatic and soil environments, and these could be used as adsorbents. The influencing factors of microplastic adsorption, classification of microplastics, and adsorption mechanisms using microplastics for adsorbing organic, inorganic, and mixed pollutants are summarized in the paper. Furthermore, the influence of pH, temperature, functional groups, aging, and other factors related to the adsorption performances of plastics are discussed in detail. We found that microplastics have greater advantages in efficient adsorption performance and cost-effectiveness. In this paper, the adsorptions of pollutants by microplastics and their performance is proposed, which provides significant guidance for future research in this field.
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Affiliation(s)
- Meng Zhao
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Lei Huang
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Samuel Raj Babu Arulmani
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Jia Yan
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Lirong Wu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Tao Wu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
| | - Hongguo Zhang
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
- Guangzhou University-Linköping University Research Center on Urban Sustainable Development, Guangzhou University, Guangzhou 510006, China
- Correspondence:
| | - Tangfu Xiao
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; (M.Z.); (L.H.); (S.R.B.A.); (J.Y.); (L.W.); (T.W.); (T.X.)
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China
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