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Zhang Z, Ma J, Chen F, Chen Y, Pan K, Liu H. Mechanisms underlying the alleviated cadmium toxicity in marine diatoms adapted to ocean acidification. JOURNAL OF HAZARDOUS MATERIALS 2024; 463:132804. [PMID: 37890381 DOI: 10.1016/j.jhazmat.2023.132804] [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: 08/07/2023] [Revised: 09/29/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023]
Abstract
Anthropogenic activities have significantly increased the influx of carbon dioxide and metals into the marine environment. Combining ocean acidification (OA) and metal pollution may lead to unforeseen biological and ecological consequences. Several studies have shown that OA reduces cadmium (Cd) toxicity in marine diatoms. Although these studies have shed light on the physiological and transcriptomic responses of diatoms exposed to Cd, many aspects of the mechanisms underlying the reduced metal accumulation in diatoms remain unknown. This study aims to address this unresolved question by comparing Cd subcellular distribution, antioxidant enzyme activity, relative expression of metal transporters, surface potential, surface composition, and transmembrane potential in the diatom Phaeodactylum tricornutum grown under ambient and 1200 µatm pCO2 conditions. Our findings reveal that diatoms grown in acidified seawater exhibit higher surface potential and higher plasma membrane depolarization. These changes and the competing effects of increased H+ concentration result in a blunted response of P. tricornutum to the Cd challenge. Consequently, this study offers a new explanation for mitigating Cd toxicity by marine diatoms adapted to OA.
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Affiliation(s)
- Zhen Zhang
- SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China; Department of Ocean Science, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region
| | - Jie Ma
- Shenzhen Key Laboratory of Marine Microbiome Engineering Institute for Advanced Study, Shenzhen University, Shenzhen, China
| | - Fengyuan Chen
- SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China; Department of Ocean Science, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region
| | - Yingya Chen
- Shenzhen Key Laboratory of Marine Microbiome Engineering Institute for Advanced Study, Shenzhen University, Shenzhen, China
| | - Ke Pan
- SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China; Shenzhen Key Laboratory of Marine Microbiome Engineering Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| | - Hongbin Liu
- Department of Ocean Science, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region; Hong Kong Branch of Southern Marine Science & Engineering Guangdong Laboratory, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region.
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2
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Arain M, Nafady A, Ul Haq MA, Asif HM, Ahmad HB, Khan MA, Hussain S, Sirajuddin. Selective and sensitive colorimetric detection of endocrine disrupter fungicide carbendazim through secnidazole capped silver nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123313. [PMID: 37666098 DOI: 10.1016/j.saa.2023.123313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/11/2023] [Accepted: 08/27/2023] [Indexed: 09/06/2023]
Abstract
Pesticides and fungicides are extremely useful to hinder the attacks of pests and fungi to secure crops, vegetables, fruits and other plants but due to their endocrine disrupting and carcinogenic risks in humans and animals through their continued addition in water resources they are extremely important to monitor carefully. In this investigation we synthesized silver nanoparticles (AgNPs) via the reducing action of sodium borohydride in the presence of secnidazole (SEC) as capping agent under various optimized parameters such as the concentration of NaBH4, silver nitrate (AgNO3), SEC and pH. These SEC-AgNPs were characterized through various techniques including ultra-violet visible (UV-Vis) spectroscopy, Fourier transform infra-red (FTIR) spectroscopy, field emission scanning electron microscopy (FESEM), atomic force microscopy (AFM), dynamic light scattering (DLS) and zeta-potential analysis (ZPA) in order to investigate their diverse properties. As prepared SEC-AgNPs were proved as extremely sensitive for trace level sensing of fungicide carbendazim (CARB) in the range of 0.5-22 µM with limit of detection (LOD) equal to 0.021 µM and R2 value of 0.9964. SEC-AgNPs were tested for CARB sensing under the presence of several pesticides with negligible interference thus verifying its exclusive selectivity for the targeted analyte. This SEC-AgNPs was further applied to find out the concentration of CARB in real samples of tap water and human blood plasma with reference to standard addition method.
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Affiliation(s)
- Munazza Arain
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Ayman Nafady
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Muhammad Anwar Ul Haq
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, 75270, Pakistan
| | - Hafiz Muhammad Asif
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan.
| | | | - Muhammad Ali Khan
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Saghir Hussain
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Sirajuddin
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, 75270, Pakistan.
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Yuan X, Gao X, Liu C, Liang W, Xue H, Li Z, Jin H. Application of Nanomaterials in the Production of Biomolecules in Microalgae: A Review. Mar Drugs 2023; 21:594. [PMID: 37999418 PMCID: PMC10672109 DOI: 10.3390/md21110594] [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: 10/22/2023] [Revised: 11/14/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
Nanomaterials (NMs) are becoming more commonly used in microalgal biotechnology to empower the production of algal biomass and valuable metabolites, such as lipids, proteins, and exopolysaccharides. It provides an effective and promising supplement to the existing algal biotechnology. In this review, the potential for NMs to enhance microalgal growth by improving photosynthetic utilization efficiency and removing reactive oxygen species is first summarized. Then, their positive roles in accumulation, bioactivity modification, and extraction of valuable microalgal metabolites are presented. After the application of NMs in microalgae cultivation, the extracted metabolites, particularly exopolysaccharides, contain trace amounts of NM residues, and thus, the impact of these residues on the functional properties of the metabolites is also evaluated. Finally, the methods for removing NM residues from the extracted metabolites are summarized. This review provides insights into the application of nanotechnology for sustainable production of valuable metabolites in microalgae and will contribute useful information for ongoing and future practice.
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Affiliation(s)
- Xiaolong Yuan
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Xiang Gao
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Chang Liu
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Wensheng Liang
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Huidan Xue
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Zhengke Li
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China; (X.Y.); (C.L.); (W.L.); (H.X.); (Z.L.)
| | - Haojie Jin
- The College of Forestry, Beijing Forestry University, Beijing 100083, China;
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4
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Gulati K, Adachi T. Profiling to Probing: Atomic force microscopy to characterize nano-engineered implants. Acta Biomater 2023; 170:15-38. [PMID: 37562516 DOI: 10.1016/j.actbio.2023.08.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 07/26/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023]
Abstract
Surface modification of implants in the nanoscale or implant nano-engineering has been recognized as a strategy for augmenting implant bioactivity and achieving long-term implant success. Characterizing and optimizing implant characteristics is crucial to achieving desirable effects post-implantation. Modified implant enables tailored, guided and accelerated tissue integration; however, our understanding is limited to multicellular (bulk) interactions. Finding the nanoscale forces experienced by a single cell on nano-engineered implants will aid in predicting implants' bioactivity and engineering the next generation of bioactive implants. Atomic force microscope (AFM) is a unique tool that enables surface characterization and understanding of the interactions between implant surface and biological tissues. The characterization of surface topography using AFM to gauge nano-engineered implants' characteristics (topographical, mechanical, chemical, electrical and magnetic) and bioactivity (adhesion of cells) is presented. A special focus of the review is to discuss the use of single-cell force spectroscopy (SCFS) employing AFM to investigate the minute forces involved with the adhesion of a single cell (resident tissue cell or bacterium) to the surface of nano-engineered implants. Finally, the research gaps and future perspectives relating to AFM-characterized current and emerging nano-engineered implants are discussed towards achieving desirable bioactivity performances. This review highlights the use of advanced AFM-based characterization of nano-engineered implant surfaces via profiling (investigating implant topography) or probing (using a single cell as a probe to study precise adhesive forces with the implant surface). STATEMENT OF SIGNIFICANCE: Nano-engineering is emerging as a surface modification platform for implants to augment their bioactivity and achieve favourable treatment outcomes. In this extensive review, we closely examine the use of Atomic Force Microscopy (AFM) to characterize the properties of nano-engineered implant surfaces (topography, mechanical, chemical, electrical and magnetic). Next, we discuss Single-Cell Force Spectroscopy (SCFS) via AFM towards precise force quantification encompassing a single cell's interaction with the implant surface. This interdisciplinary review will appeal to researchers from the broader scientific community interested in implants and cell adhesion to implants and provide an improved understanding of the surface characterization of nano-engineered implants.
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Affiliation(s)
- Karan Gulati
- Institute for Life and Medical Sciences, Kyoto University, Sakyo, Kyoto 606-8507, Japan; The University of Queensland, School of Dentistry, Herston QLD 4006, Australia.
| | - Taiji Adachi
- Institute for Life and Medical Sciences, Kyoto University, Sakyo, Kyoto 606-8507, Japan
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5
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Li F, Li R, Lu F, Xu L, Gan L, Chu W, Yan M, Gong H. Adverse effects of silver nanoparticles on aquatic plants and zooplankton: A review. CHEMOSPHERE 2023; 338:139459. [PMID: 37437614 DOI: 10.1016/j.chemosphere.2023.139459] [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: 06/06/2023] [Revised: 07/07/2023] [Accepted: 07/08/2023] [Indexed: 07/14/2023]
Abstract
With the rapid development of nanotechnology in the past decades, AgNPs are widely used in various fields and have become one of the most widely used nanomaterials, which leads to the inevitable release of AgNPs to the aquatic environment through various pathways. It is important to understand the effects of AgNPs on aquatic plants and zooplankton, which are widely distributed and diverse, and are important components of the aquatic biota. This paper reviews the effects of AgNPs on aquatic plants and zooplankton at the individual, cellular and molecular levels. In addition, the internal and external factors affecting the toxicity of AgNPs to aquatic plants and zooplankton are discussed. In general, AgNPs can inhibit growth and development, cause tissue damage, induce oxidative stress, and produce genotoxicity and reproductive toxicity. Moreover, the toxicity of AgNPs is influenced by the size, concentration, and surface coating of AgNPs, environmental factors including pH, salinity, temperature, light and co-contaminants such as NaOCl, glyphosate, As(V), Cu and Cd, sensitivity of test organisms, experimental conditions and so on. In order to investigate the toxicity of AgNPs in the natural environment, it is recommended to conduct toxicity evaluation studies of AgNPs under the coexistence of multiple environmental factors and pollutants, especially at natural environmental concentrations.
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Affiliation(s)
- Feng Li
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Ruixue Li
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Fengru Lu
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Lijie Xu
- College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China
| | - Lu Gan
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China
| | - Wei Chu
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Muting Yan
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
| | - Han Gong
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China.
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6
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Nanoplastic-Induced Nanostructural, Nanomechanical, and Antioxidant Response of Marine Diatom Cylindrotheca closterium. WATER 2022. [DOI: 10.3390/w14142163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this study was to examine the effect of positively charged (amine-modified) and negatively charged (carboxyl-modified) polystyrene nanoplastics (PS NPs) on the nanostructural, nanomechanical, and antioxidant responses of the marine diatom Cylindrotheca closterium. The results showed that both types of PS NPs, regardless of surface charge, significantly inhibited the growth of C. closterium during short-term exposure (3 and 4 days). However, longer exposure (14 days) to both PS NPs types did not significantly inhibit growth, which might be related to the detoxifying effect of the microalgal extracellular polymers (EPS) and the higher cell abundance per PS NPs concentration. The exposure of C. closterium to both types of PS NPs at concentrations above the corresponding concentrations that resulted in a 50% reduction of growth (EC50) demonstrated phytotoxic effects, mainly due to the excessive production of reactive oxygen species, resulting in increased oxidative damage to lipids and changes to antioxidant enzyme activities. Diatoms exposed to nanoplastics also showed a significant decrease in cell wall rigidity, which could make the cells more vulnerable. Atomic force microscopy images showed that positively charged PS NPs were mainly adsorbed on the cell surface, while both types of PS NPs were incorporated into the EPS that serves to protect the cells. Since microalgal EPS are an important food source for phytoplankton grazers and higher trophic levels, the incorporation of NPs into the EPS and interactions with the cell walls themselves may pose a major threat to marine microalgae and higher trophic levels and, consequently, to the health and stability of the marine ecosystem.
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7
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Demir-Yilmaz I, Guiraud P, Formosa-Dague C. The contribution of Atomic Force Microscopy (AFM) in microalgae studies: A review. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Nekvapil F, Bunge A, Barbu Tudoran L, Cintă Pinzaru S. Single-cell Raman micro-spectroscopy for tracking of carotenoids in cyanobacteria exposed to Mn and Zn doped ferrite nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 254:119607. [PMID: 33713907 DOI: 10.1016/j.saa.2021.119607] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/03/2021] [Accepted: 02/05/2021] [Indexed: 06/12/2023]
Abstract
Ferrite nanoparticles are increasingly produced and exploited as adsorbents for environmental pollutants. However, their impact on the aquatic microbiota such as cyanobacteria, are not yet investigated. Targeting the environmental monitoring context, in this paper we explored for the first time if any change in the carotenoid signal from cyanobacteria Coelomoron pussilum (AICB 1012) exposed to non-lethal doses of Mn and Zn doped ferrite nanoparticles (NPs) can be associated with the nano-aggression on single-cell level, using micro-Raman spectroscopy. UV-Vis absorption spectroscopy of the bulk culture and single-cell Raman microscopy showed that the carotenoid signal increases relative to the chlorophyll contribution upon exposure of the cells to the Mn-ferrite NPs throughout the 7 days of the experiment. The red-shift and broadening of the strongest carotenoid Raman band arising from (CC) stretching modes indicates the change of carotenoid profile towards increased amount of β-carotene in answer to the NPs stress. The increase of this band intensity relative to the fluorescence background was also observed in Zn-ferrite NPs treatment. Using a simplified and rapid sample preparation procedure, electron microscopy in both transmission and scanning modes, showed greater coverage of the cells by the stable colloidal AgNPs than by the magnetic ferrite NPs. The latter mostly clumped together rather than adhering to the cells. The combined single-cell micro-Raman tracking of physiological response of the unicellular photosynthetic microorganisms coupled with electron microscopy approach to visualise cell-NPs interaction and the extracellular polymeric substance secretion holds the promise for rapid assessment of the NPs-induced environmental stress acting on the unicellular organisms.
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Affiliation(s)
- Fran Nekvapil
- Biomolecular Physics Department, Babeş-Bolyai University, Str. Kogălniceanu no. 1, 400084 Cluj-Napoca, Romania; Physics of Nanostructured Systems Department, National Institute for Research and Development of Isotopic and Molecular Technologies, Str. Donath no. 67-103, 400293 Cluj-Napoca; RDI Laboratory of Applied Raman Spectroscopy, RDI Institute of Applied Natural Sciences (IRDI-ANS), Babeş-Bolyai University, Fântânele 42, 400293 Cluj-Napoca, Romania
| | - Alexander Bunge
- Physics of Nanostructured Systems Department, National Institute for Research and Development of Isotopic and Molecular Technologies, Str. Donath no. 67-103, 400293 Cluj-Napoca
| | - Lucian Barbu Tudoran
- Electron Microscopy Centre, Babeș-Bolyai University, Clinicilor 5-7, 400006 Cluj-Napoca, Romania; Advanced Research and Technology Center for Alternative Energy, National Institute for Research and Development of Isotopic and Molecular Technologies, Donat 67-103, 400293 Cluj-Napoca, Romania
| | - Simona Cintă Pinzaru
- Biomolecular Physics Department, Babeş-Bolyai University, Str. Kogălniceanu no. 1, 400084 Cluj-Napoca, Romania; RDI Laboratory of Applied Raman Spectroscopy, RDI Institute of Applied Natural Sciences (IRDI-ANS), Babeş-Bolyai University, Fântânele 42, 400293 Cluj-Napoca, Romania.
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Galúcio JMP, de Souza SGB, Vasconcelos AA, Lima AKO, da Costa KS, de Campos Braga H, Taube PS. Synthesis, Characterization, Applications, and Toxicity of Green Synthesized Nanoparticles. Curr Pharm Biotechnol 2021; 23:420-443. [PMID: 34355680 DOI: 10.2174/1389201022666210521102307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/25/2021] [Accepted: 03/16/2021] [Indexed: 11/22/2022]
Abstract
Nanotechnology is a cutting-edge area with numerous industrial applications. Nanoparticles are structures that have dimensions ranging from 1-100 nm which exhibit significantly different mechanical, optical, electrical, and chemical properties when compared with their larger counterparts. Synthetic routes that use natural sources, such as plant extracts, honey, and microorganisms are environmentally friendly and low-cost methods that can be used to obtain nanoparticles. These methods of synthesis generate products that are more stable and less toxic than those obtained using conventional methods. Nanoparticles formed by titanium dioxide, zinc oxide, silver, gold, and copper, as well as cellulose nanocrystals are among the nanostructures obtained by green synthesis that have shown interesting applications in several technological industries. Several analytical techniques have also been used to analyze the size, morphology, hydrodynamics, diameter, and chemical functional groups involved in the stabilization of the nanoparticles as well as to quantify and evaluate their formation. Despite their pharmaceutical, biotechnological, cosmetic, and food applications, studies have detected their harmful effects on human health and the environment; and thus, caution must be taken in uses involving living organisms. The present review aims to present an overview of the applications, the structural properties, and the green synthesis methods that are used to obtain nanoparticles, and special attention is given to those obtained from metal ions. The review also presents the analytical methods used to analyze, quantify, and characterize these nanostructures.
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Affiliation(s)
| | | | | | - Alan Kelbis Oliveira Lima
- Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
| | - Kauê Santana da Costa
- Institute of Biodiversity, Federal University of Western Pará, Santarém, Pará, Brazil
| | - Hugo de Campos Braga
- Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, Brazil
| | - Paulo Sérgio Taube
- Institute of Biodiversity, Federal University of Western Pará, Santarém, Pará, Brazil
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Francius G, Petit F, Clément E, Chekli Y, Ghigo JM, Beloin C, Duval JFL. On the strong connection between nanoscale adhesion of Yad fimbriae and macroscale attachment of Yad-decorated bacteria to glycosylated, hydrophobic and hydrophilic surfaces. NANOSCALE 2021; 13:1257-1272. [PMID: 33404575 DOI: 10.1039/d0nr06840c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Yad fimbriae are currently viewed as versatile bacterial adhesins able to significantly mediate host or plant-pathogen recognition and contribute to the persistence of Escherichia coli in both the environment and within hosts. To date, however, the underlying adhesion process of Yad fimbriae on surfaces defined by controlled coating chemistries has not been evaluated on the relevant molecular scale. In this work, the interaction forces operational between Yad fimbriae expressed by genetically modified E. coli and self-assembled monolayers (SAM) differing in terms of charge, hydrophobicity or the nature of decorating sugar units are quantified by Single Molecule Force Spectroscopy (SMFS) on the nanoscale. It is found that the adhesion of Yad fimbriae onto probes functionalized with xylose is as strong as that measured with probes decorated with anti-Yad antibodies (ca. 80 to 300 pN). In contrast, the interactions of Yad with galactose, lactose, mannose, -OH, -NH2, -COOH and -CH3 terminated SAMs are clearly non-specific. Interpretation of SMFS measurements on the basis of worm-like-chain modeling for polypeptide nanomechanics further leads to the estimates of the maximal extension of Yad fimbriae upon stretching, of their persistence length and of their polydispersity. Finally, we show for the first time a strong correlation between the adhesion properties of Yad-decorated bacteria determined from conventional macroscopic counting methods and the molecular adhesion capacity of Yad fimbriae. This demonstration advocates the effort that should be made to understand on the nanoscale level the interactions between fimbriae and their cognate ligands. The results could further help the design of potential anti-adhesive molecules or surfaces to better fight against the virulence of bacterial pathogens.
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Affiliation(s)
- Grégory Francius
- Université de Lorraine, LCPME, UMR 7564, Villers-lès-Nancy, F-54600, France.
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Pannerselvam B, Devanathadesikan V, Alagumuthu TS, Kanth SV, Pudupalayam Thangavelu K. Assessment of in-vivo biocompatibility evaluation of phytogenic gold nanoparticles on Wistar albino male rats. IET Nanobiotechnol 2021; 14:314-324. [PMID: 32463022 DOI: 10.1049/iet-nbt.2019.0116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Nanomedicine is an interdisciplinary approach that involves toxicology and other medicinal applications. Gold nanoparticles (AuNPs) may serve as a promising model to address the size and shape-dependent biological response because they show good biocompatibility. This study is to prepare phytosynthesis AuNPs from ten different Cassia sp. Among them, the aqueous leaf extract of C. roxburghii produced greater efficient and stable AuNPs. The AuNPs were optimised for different physicochemical conditions. Highly stable AuNPs were synthesised at pH 7.0, 37°C, 1.0 ml of C. roxburghii leaf extract and 1.0 mM concentration of HAuCl4 with the particle size of ∼50 nm and these AuNPs were stable up to 12 months. To determine the safety profile of AuNPs in-vivo, the nanoparticles were injected intravenously into male Wistar albino rats in varying dosages. The authors noticed no significant difference in body weights, haematological and biochemical parameters and the histopathological sections of all vital organs. Highest accumulation was seen in spleen and least in brain. The authors' results show that the AuNPs were biocompatible and did not produce any adverse or abnormalities in-vivo. The implications of the bioaccumulation of AuNPs need to be further studied to rule out any adverse effects on long-term exposure.
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Affiliation(s)
| | - Vidya Devanathadesikan
- Department of Pharmacology, Prince Sattam Bin Abdul Aziz University, Al-Kharj 11942, Kingdom of Saudi Arabia
| | - Tamil Selvi Alagumuthu
- Centre for Human & Organisational Resources Development (CHORD), CSIR-Central Leather Research Institute, Chennai 600 020, India
| | - Swarna V Kanth
- Centre for Human & Organisational Resources Development (CHORD), CSIR-Central Leather Research Institute, Chennai 600 020, India
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Guan Y, Chen R, Sun G, Liu Q, Liu J, Yu J, Lin C, Wang J. Secretion mechanism and adhesive mechanism of diatoms: Direct evidence from the quantitative analysis. Micron 2021; 140:102951. [DOI: 10.1016/j.micron.2020.102951] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/06/2020] [Accepted: 09/07/2020] [Indexed: 12/11/2022]
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13
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Kolodin AN, Korostova IV, Maksimovskiy EA, Arymbaeva AT, Bulavchenko AI. The Study of the Dispersity of Gold Aerosols with the Use of Au–AOT Composite Films. COLLOID JOURNAL 2020. [DOI: 10.1134/s1061933x20050099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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14
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Nguyen MK, Moon JY, Lee YC. Microalgal ecotoxicity of nanoparticles: An updated review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110781. [PMID: 32497816 DOI: 10.1016/j.ecoenv.2020.110781] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/05/2020] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
Nowadays, nanotechnology and its related industries are becoming a rapidly explosive industry that offers many benefits to human life. However, along with the increased production and use of nanoparticles (NPs), their presence in the environment creates a high risk of increasing toxic effects on aquatic organisms. Therefore, a large number of studies focusing on the toxicity of these NPs to the aquatic organisms are carried out which used algal species as a common biological model. In this review, the influences of the physio-chemical properties of NPs and the response mechanisms of the algae on the toxicity of the NPs were discussed focusing on the "assay" studies. Besides, the specific algal toxicities of each type of NPs along with the NP-induced changes in algal cells of these NPs are also assessed. Almost all commonly-used NPs exhibit algal toxicity. Although the algae have similarities in the symptoms under NP exposure, the sensitivity and variability of each algae species to the inherent properties of each NPs are quite different. They depend strongly on the concentration, size, characteristics of NPs, and biochemical nature of algae. Through the assessment, the review identifies several gaps that need to be further studied to make an explicit understanding. The findings in the majority of studies are mostly in laboratory conditions and there are still uncertainties and contradictory/inconsistent results about the behavioral effects of NPs under field conditions. Besides, there remains unsureness about NP-uptake pathways of microalgae. Finally, the toxicity mechanisms of NPs need to be thoughtfully understood which is essential in risk assessment.
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Affiliation(s)
- Minh Kim Nguyen
- Department of BioNano Technology, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea.
| | - Ju-Young Moon
- Department of Beauty Design Management, Hansung University, 116 Samseongyoro-16 gil, Seoul, 02876, Republic of Korea.
| | - Young-Chul Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea.
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15
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Effects of PEG-Coated Silver and Gold Nanoparticles on Spirulina platensis Biomass during Its Growth in a Closed System. COATINGS 2020. [DOI: 10.3390/coatings10080717] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Silver and gold nanoparticles are promising tools for medical and industrial applications; therefore, their ecotoxicity should be carefully examined. There are many publications that discuss their effects at high concentrations on various organisms, while the effects of low doses have not been sufficiently investigated. In this paper, the effects of low concentrations of silver (12 nm) and gold (4.7 nm) nanoparticles coated with polyethylene glycol on Spirulina platensis biomass growth, biochemical composition, and antioxidant activity were investigated. The spirulina cultivation medium was supplemented with nanoparticles in the concentration range of 0.025–0.5 µM. The given concentrations stimulated spirulina biomass, but the content of proteins, carbohydrates, and auxiliary pigments was insignificantly affected by the presence of nanoparticles in the cultivation medium. Gold nanoparticles at a concentration of 0.5 µM produced a pronounced effect on the lipid content. Transmission electron microscope images demonstrated that the nanoparticles penetrate inside the cells and cause ultrastructural changes. The nanoparticles were characterized using several well-known techniques. The results confirmed a negative effect of low concentrations of metal nanoparticles on spirulina. This effect could be indiscernible when studying the biomass viability, but determination of the ultrastructure of the cell and the biochemical composition of the biomass could reveal it.
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16
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Wang S, Gao M, Ma B, Xi M, Kong F. Size-dependent effects of ZnO nanoparticles on performance, microbial enzymatic activity and extracellular polymeric substances in sequencing batch reactor. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 257:113596. [PMID: 31771931 DOI: 10.1016/j.envpol.2019.113596] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 11/01/2019] [Accepted: 11/07/2019] [Indexed: 06/10/2023]
Abstract
ZnO nanoparticles (NPs) have been detected in various wastewater treatment plants. It is widely assumed that size has a crucial effect on the NPs toxicity. Concerns have been raised over probable size-dependent toxicity of ZnO NPs to activated sludge, which could eventually affect the treatment efficiencies of wastewater treatment facilities. The size-dependent influences of ZnO NPs on performance, microbial activities, and extracellular polymeric substances (EPS) from activated sludge were examined in sequencing batch reactor (SBR) in present study. Three different sizes (15, 50, and 90 nm) and five concentrations (2, 5, 10, 30, and 60 mg L-1) were trialled. The inhibitions on COD and nitrogen removal were determined by the particle size, and smaller ZnO NPs (15 nm) showed higher inhibition effect than those of 50 and 90 nm, whereas the ZnO NPs with size of 50 nm showed maximum inhibition effect on phosphorus removal among three sizes of ZnO NPs. After exposure to different sized ZnO NPs, microbial enzymatic activities and removal rates of activated sludge represented the same trend, consistent with the nitrogen and phosphorus removal efficiency. In addition, apparent size- and concentration-dependent effects on EPS contents and components were also observed. Compared with the absence of ZnO NPs, 60 mg L-1 ZnO NPs with sizes of 15, 50, and 90 nm increased the EPS contents from 92.5, 92.4, and 92.0 mg g-1 VSS to 277.5, 196.8, and 178.2 mg g-1 VSS (p < 0.05), respectively. The protein and polysaccharide contents increased with the decreasing particle sizes and increasing ZnO NPs concentrations, and the content of protein was always higher than that of polysaccharide.
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Affiliation(s)
- Sen Wang
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China.
| | - Mengchun Gao
- Key Lab of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China
| | - Bingrui Ma
- Key Lab of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China
| | - Min Xi
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China
| | - Fanlong Kong
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China
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17
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Pytlik N, Klemmed B, Machill S, Eychmüller A, Brunner E. In vivo uptake of gold nanoparticles by the diatom Stephanopyxis turris. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101447] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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18
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Pellequer JL, Parot P, Navajas D, Kumar S, Svetličić V, Scheuring S, Hu J, Li B, Engler A, Sousa S, Lekka M, Szymoński M, Schillers H, Odorico M, Lafont F, Janel S, Rico F. Fifteen years of Servitude et Grandeur
to the application of a biophysical technique in medicine: The tale of AFMBioMed. J Mol Recognit 2018; 32:e2773. [DOI: 10.1002/jmr.2773] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | - Daniel Navajas
- Institute for Bioengineering of Catalonia and CIBER de Enfermedades Respiratorias; Universitat de Barcelona; Barcelona Spain
| | - Sanjay Kumar
- Departments of Bioengineering and Chemical & Biomolecular Engineering; University of California, Berkeley; Berkeley California USA
| | | | - Simon Scheuring
- Department of Anesthesiology, Department of Physiology and Biophysics; Weill Cornell Medicine; New York City New York USA
| | - Jun Hu
- Shanghai Advanced Research Institute; Chinese Academy of Sciences; Shanghai China
- Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai China
| | - Bin Li
- Shanghai Advanced Research Institute; Chinese Academy of Sciences; Shanghai China
- Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai China
| | - Adam Engler
- Department of Bioengineering; University of California San Diego; La Jolla California USA
| | - Susana Sousa
- i3S-Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Porto Portugal
- INEB-Instituto de Engenharia Biomédica; Universidade do Porto; Porto Portugal
- ISEP-Instituto Superior de Engenharia; Politécnico do Porto; Portugal
| | - Małgorzata Lekka
- Institute of Nuclear Physics Polish Academy of Sciences; Kraków Poland
| | - Marek Szymoński
- Center for Nanometer-scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy and Applied Computer Science; Jagiellonian University; Kraków Poland
| | | | - Michael Odorico
- Institut de Chimie Séparative de Marcoule (ICSM), CEA, CNRS, ENSCM, Univ Montpellier, Marcoule; Montpellier France
| | - Frank Lafont
- Center for Infection and Immunity of Lille, CNRS UMR 8204, INSERM U1019, CHU Lille, Institut Pasteur de Lille, Univ Lille; Lille France
| | - Sebastien Janel
- Center for Infection and Immunity of Lille, CNRS UMR 8204, INSERM U1019, CHU Lille, Institut Pasteur de Lille, Univ Lille; Lille France
| | - Felix Rico
- LAI, U1067, Aix-Marseille Univ, CNRS, INSERM; Marseille France
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19
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Zhou X, Meng J, Yu Z, Miao L, Jin C. The Alterations of Biofilm Formation and EPS Characteristics of a Diatom by a Sponge-Associated Bacterium Psychrobacter sp. SCIENTIFICA 2018; 2018:1892520. [PMID: 30034907 PMCID: PMC6035847 DOI: 10.1155/2018/1892520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 02/26/2018] [Accepted: 03/08/2018] [Indexed: 06/08/2023]
Abstract
A sponge-associated bacterium, which was identified as Psychrobacter sp. in this study, was found with high activity against biofilm formation of benthic diatoms, including Amphora sp., Nitzschia closterium, Nitzschia frustulum, and Stauroneis sp. The activity against diatom biofilm formation by the tested strain was confirmed mostly in the culture supernatant and could be extracted using organic solvents. Treatment with its supernatant crude extract significantly reduced the cells of Stauroneis sp. forming biofilm and slightly increased the cells floating in the culture medium, which results in the ratio of biofilm cell/floating cell altering from 0.736 in control to 0.414 in treatment. Use of the supernatant crude extract led to increased production of extracellular polymeric substances (EPSs) by diatom Stauroneis sp. from 16.66 to 41.59 (g/g cell dry weight). The increase in EPS production was mainly contributed by soluble EPS (SL-EPS) and followed by the EPS that was tightly bound to biofilm cells (BF-TB-EPS). In addition, the supernatant crude extract caused significant changes in the monosaccharides composition of the EPS of Stauroneis sp. Specifically, glucuronic acid (Glc-A) and N-acetyl-D-glucosamine (Glc-NAc) in BF-TB-EPS were 55% fold decreased and 1219% fold increased, respectively. Based on our findings, we proposed that these changes in monosaccharides composition might lead to a decreased biofilm formation efficiency of diatom.
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Affiliation(s)
- Xiaojian Zhou
- College of Environmental Science and Engineering, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
- Marine Science and Technology Institute, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
| | - Jie Meng
- College of Environmental Science and Engineering, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
| | - Zhaowei Yu
- College of Environmental Science and Engineering, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
| | - Li Miao
- College of Environmental Science and Engineering, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
| | - Cuili Jin
- College of Environmental Science and Engineering, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
- Marine Science and Technology Institute, Yangzhou University, No. 196 Huayang West Street, Hanjiang District, Yangzhou, Jiangsu, China
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20
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Kolodziejczyk A, Jakubowska A, Kucinska M, Wasiak T, Komorowski P, Makowski K, Walkowiak B. Sensing of silver nanoparticles on/in endothelial cells using atomic force spectroscopy. J Mol Recognit 2018; 31:e2723. [DOI: 10.1002/jmr.2723] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/22/2018] [Accepted: 04/03/2018] [Indexed: 01/13/2023]
Affiliation(s)
| | | | - Magdalena Kucinska
- Nanomaterial Structural Research Laboratory, Bionanopark Ltd; Łódź Poland
| | - Tomasz Wasiak
- Department of Molecular Biology; Faculty of Biomedical Sciences and Postgraduated Training, Medical University of Lodz; Łódź Poland
| | - Piotr Komorowski
- Molecular and Nanostructural Biophysics Laboratory, Bionanopark Ltd; Łódź Poland
- Division of Biophysics; Institute of Materials Science, Lodz University of Technology; Łódź Poland
| | - Krzysztof Makowski
- Division of Biophysics; Institute of Materials Science, Lodz University of Technology; Łódź Poland
- Industrial Biotechnology Laboratory, Bionanopark Ldt.; Łódź Poland
| | - Bogdan Walkowiak
- Molecular and Nanostructural Biophysics Laboratory, Bionanopark Ltd; Łódź Poland
- Division of Biophysics; Institute of Materials Science, Lodz University of Technology; Łódź Poland
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21
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Dasgupta S, Auth T, Gompper G. Nano- and microparticles at fluid and biological interfaces. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2017; 29:373003. [PMID: 28608781 PMCID: PMC7104866 DOI: 10.1088/1361-648x/aa7933] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 04/12/2017] [Accepted: 06/13/2017] [Indexed: 05/05/2023]
Abstract
Systems with interfaces are abundant in both technological applications and biology. While a fluid interface separates two fluids, membranes separate the inside of vesicles from the outside, the interior of biological cells from the environment, and compartmentalize cells into organelles. The physical properties of interfaces are characterized by interface tension, those of membranes are characterized by bending and stretching elasticity. Amphiphilic molecules like surfactants that are added to a system with two immiscible fluids decrease the interface tension and induce a bending rigidity. Lipid bilayer membranes of vesicles can be stretched or compressed by osmotic pressure; in biological cells, also the presence of a cytoskeleton can induce membrane tension. If the thickness of the interface or the membrane is small compared with its lateral extension, both can be described using two-dimensional mathematical surfaces embedded in three-dimensional space. We review recent work on the interaction of particles with interfaces and membranes. This can be micrometer-sized particles at interfaces that stabilise emulsions or form colloidosomes, as well as typically nanometer-sized particles at membranes, such as viruses, parasites, and engineered drug delivery systems. In both cases, we first discuss the interaction of single particles with interfaces and membranes, e.g. particles in external fields, non-spherical particles, and particles at curved interfaces, followed by interface-mediated interaction between two particles, many-particle interactions, interface and membrane curvature-induced phenomena, and applications.
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Affiliation(s)
- S Dasgupta
- Mechanobiology Institute, National University of Singapore, Singapore 117411, Singapore
- Institut Curie, CNRS, UMR 168, 75005 Paris, France
- Present address: Department of Physics, University of Toronto, Toronto, Ontario M5S1A7, Canada
| | - T Auth
- Theoretical Soft Matter and Biophysics, Institute of Complex Systems and Institute for Advanced Simulation, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - G Gompper
- Theoretical Soft Matter and Biophysics, Institute of Complex Systems and Institute for Advanced Simulation, Forschungszentrum Jülich, 52425 Jülich, Germany
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22
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Lodeiro P, Browning TJ, Achterberg EP, Guillou A, El-Shahawi MS. Mechanisms of silver nanoparticle toxicity to the coastal marine diatom Chaetoceros curvisetus. Sci Rep 2017; 7:10777. [PMID: 28883535 PMCID: PMC5589759 DOI: 10.1038/s41598-017-11402-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 08/23/2017] [Indexed: 12/14/2022] Open
Abstract
Inputs of silver nanoparticles (AgNPs) to marine waters continue to increase yet mechanisms of AgNPs toxicity to marine phytoplankton are still not well resolved. This study reports a series of toxicity experiments on a representative coastal marine diatom species Chaetoceros curvisetus using the reference AgNP, NM-300K. Exposure to AgNPs resulted in photosynthetic impairment and loss of diatom biomass in proportion to the supplied AgNP dose. The underlying mechanism of toxicity was explored via comparing biological responses in parallel experiments. Diatom responses to AgNP, free Ag(I) species, and dialysis bag-retained AgNP treatments showed marked similarity, pointing towards a dominant role of Ag(I) species uptake, rather than NPs themselves, in inducing the toxic response. In marked contrast to previous studies, addition of the organic complexing agent cysteine (Cys) alongside Ag only marginally moderated toxicity, implying AgCys- complexes were bioavailable to this diatom species. A preliminary field experiment with a natural phytoplankton community in the southeast Atlantic Ocean showed no significant toxic response at a NM-300 K concentration that resulted in ~40% biomass loss in the culture studies, suggesting a modulating effect of natural seawaters on Ag toxicity.
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Affiliation(s)
- Pablo Lodeiro
- Ocean and Earth Science, University of Southampton, National Oceanography Centre, European Way, SO14 3ZH, Southampton, UK. .,GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstraße 1-3, 24148, Kiel, Germany.
| | - Thomas J Browning
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstraße 1-3, 24148, Kiel, Germany
| | - Eric P Achterberg
- Ocean and Earth Science, University of Southampton, National Oceanography Centre, European Way, SO14 3ZH, Southampton, UK.,GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstraße 1-3, 24148, Kiel, Germany
| | - Aurélie Guillou
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstraße 1-3, 24148, Kiel, Germany
| | - Mohammad S El-Shahawi
- Department of Chemistry, Faculty of Science, Damietta University, Damietta, Egypt.,Department of Chemistry, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah, 21589, Jeddah, Saudi Arabia
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23
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Levak M, Burić P, Dutour Sikirić M, Domazet Jurašin D, Mikac N, Bačić N, Drexel R, Meier F, Jakšić Ž, Lyons DM. Effect of Protein Corona on Silver Nanoparticle Stabilization and Ion Release Kinetics in Artificial Seawater. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:1259-1266. [PMID: 28075572 DOI: 10.1021/acs.est.6b03161] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In parallel with the growing use of nanoparticle-containing products, their release into the environment over the coming years is expected to increase significantly. With many large population centers located in near-coastal areas, and increasing evidence that various nanoparticles may be toxic to a range of organisms, biota in estuarine and coastal waters may be particularly vulnerable. While size effects may be important in cases, silver nanoparticles have been found to be toxic in large part due to their release of silver ions. However, there is relatively little data available on how nanoparticle coatings can affect silver ion release in estuarine or marine waters. We have found that albumin, as a model for biocorona-forming macromolecules which nanoparticles may encounter in wastewater streams, stabilizes silver colloids from agglomeration in high salinity marine waters by electrosteric repulsion for long time periods. A minimum mass ratio of about 130 for albumin:silver nanoparticles (40 nm) was required for stable dispersion in seawater. Increasing albumin concentration was also found to reduce dissolution of nanoparticles in seawater with up to 3.3 times lower concentrations of silver ions noted. Persistent colloids and slow sustained ion release may have important consequences for biota in these environmental compartments.
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Affiliation(s)
- Maja Levak
- Ruđer Bošković Institute , Center for Marine Research, G. Paliaga 5, 52210 Rovinj, Croatia
| | - Petra Burić
- Ruđer Bošković Institute , Center for Marine Research, G. Paliaga 5, 52210 Rovinj, Croatia
| | - Maja Dutour Sikirić
- Ruđer Bošković Institute , Division of Physical Chemistry, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Darija Domazet Jurašin
- Ruđer Bošković Institute , Division of Physical Chemistry, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Nevenka Mikac
- Ruđer Bošković Institute , Division of Marine and Environmental Research, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Niko Bačić
- Ruđer Bošković Institute , Division of Marine and Environmental Research, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Roland Drexel
- Postnova Analytics GmbH, Max-Planck-Straße 14, 86899 Landsberg am Lech, Germany
| | - Florian Meier
- Postnova Analytics GmbH, Max-Planck-Straße 14, 86899 Landsberg am Lech, Germany
| | - Željko Jakšić
- Ruđer Bošković Institute , Center for Marine Research, G. Paliaga 5, 52210 Rovinj, Croatia
| | - Daniel M Lyons
- Ruđer Bošković Institute , Center for Marine Research, G. Paliaga 5, 52210 Rovinj, Croatia
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24
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The Multiple Roles of Diatoms in Environmental Applications: Prospects for Sol-Gel Modified Diatoms. ADVANCES IN SOL-GEL DERIVED MATERIALS AND TECHNOLOGIES 2017. [DOI: 10.1007/978-3-319-50144-4_4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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McGillicuddy E, Murray I, Kavanagh S, Morrison L, Fogarty A, Cormican M, Dockery P, Prendergast M, Rowan N, Morris D. Silver nanoparticles in the environment: Sources, detection and ecotoxicology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 575:231-246. [PMID: 27744152 DOI: 10.1016/j.scitotenv.2016.10.041] [Citation(s) in RCA: 258] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/05/2016] [Accepted: 10/05/2016] [Indexed: 05/25/2023]
Abstract
The environmental impact of silver nanoparticles (AgNP) has become a topic of interest recently, this is due to the fact that AgNPs have been included in numerous consumer products including textiles, medical products, domestic appliances, food containers, cosmetics, paints and nano-functionalised plastics. The production, use and disposal of these AgNP containing products are potential routes for environmental exposure. These concerns have led to a number of studies investigating the release of particles from nano-functionalised products, the detection of the particles in the aquatic environment and the potential environmental toxicology of these AgNPs to aquatic organisms. The overall aim of this review is to examine methods for the capture and detection of AgNPs, potential toxicity and transmission routes in the aquatic environment.
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Affiliation(s)
- E McGillicuddy
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, National University of Ireland Galway, Galway, Ireland; Centre for Health from Environment, Ryan Institute, National University of Ireland Galway, Galway, Ireland.
| | - I Murray
- Bioscience Research Institute, Athlone Institute of Technology, Dublin Road, Athlone, Co. Westmeath, Ireland
| | - S Kavanagh
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, National University of Ireland Galway, Galway, Ireland; Centre for Health from Environment, Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - L Morrison
- Earth and Ocean Sciences, National University of Ireland Galway, Galway, Ireland
| | - A Fogarty
- Bioscience Research Institute, Athlone Institute of Technology, Dublin Road, Athlone, Co. Westmeath, Ireland; Department of Life & Physical Science, Athlone Institute of Technology, Dublin Road, Athlone, Co. Westmeath, Ireland
| | - M Cormican
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, National University of Ireland Galway, Galway, Ireland; Centre for Health from Environment, Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - P Dockery
- Discipline of Anatomy, School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - M Prendergast
- Centre for Health from Environment, Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - N Rowan
- Bioscience Research Institute, Athlone Institute of Technology, Dublin Road, Athlone, Co. Westmeath, Ireland; Department of Life & Physical Science, Athlone Institute of Technology, Dublin Road, Athlone, Co. Westmeath, Ireland
| | - D Morris
- Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, National University of Ireland Galway, Galway, Ireland; Centre for Health from Environment, Ryan Institute, National University of Ireland Galway, Galway, Ireland
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26
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Yang JL, Li YF, Liang X, Guo XP, Ding DW, Zhang D, Zhou S, Bao WY, Bellou N, Dobretsov S. Silver Nanoparticles Impact Biofilm Communities and Mussel Settlement. Sci Rep 2016; 6:37406. [PMID: 27869180 PMCID: PMC5116650 DOI: 10.1038/srep37406] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 10/28/2016] [Indexed: 02/07/2023] Open
Abstract
Silver nanoparticles (AgNPs) demonstrating good antimicrobial activity are widely used in many fields. However, the impact of AgNPs on the community structures of marine biofilms that drive biogeochemical cycling processes and the recruitment of marine invertebrate larvae remains unknown. Here, we employed MiSeq sequencing technology to evaluate the bacterial communities of 28-day-old marine biofilms formed on glass, polydimethylsiloxane (PDMS), and PDMS filled with AgNPs and subsequently tested the influence of these marine biofilms on plantigrade settlement by the mussel Mytilus coruscus. AgNP-filled PDMS significantly reduced the dry weight and bacterial density of biofilms compared with the glass and PDMS controls. AgNP incorporation impacted bacterial communities by reducing the relative abundance of Flavobacteriaceae (phylum: Bacteroidetes) and increasing the relative abundance of Vibrionaceae (phylum: Proteobacteria) in 28-day-old biofilms compared to PDMS. The settlement rate of M. coruscus on 28-day-old biofilms developed on AgNPs was lower by >30% compared to settlement on control biofilms. Thus, the incorporation of AgNPs influences biofilm bacterial communities in the marine environment and subsequently inhibits mussel settlement.
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Affiliation(s)
- Jin-Long Yang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, China.,Marine Ecology Research Center, The First Institute of Oceanography, State Oceanic Administration, Qingdao, China.,Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo, China
| | - Yi-Feng Li
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, China
| | - Xiao Liang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, China
| | - Xing-Pan Guo
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, China
| | - De-Wen Ding
- Marine Ecology Research Center, The First Institute of Oceanography, State Oceanic Administration, Qingdao, China
| | - Demin Zhang
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo, China
| | - Shuxue Zhou
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Advanced Coatings Research Center of Ministry of Education of China, Fudan University, Shanghai, China
| | - Wei-Yang Bao
- Institute of Marine Science and Technology, Yangzhou University, Yangzhou, China
| | - Nikoleta Bellou
- Hellenic Centre for Marine Research, Institute of Oceanography, Athens, Greece
| | - Sergey Dobretsov
- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, Oman.,Center of Excellence in Marine Biotechnology, Sultan Qaboos University, Muscat, Oman
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27
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Bianco C, Visser MJ, Pluut OA, Svetličić V, Pletikapić G, Jakasa I, Riethmuller C, Adami G, Larese Filon F, Schwegler-Berry D, Stefaniak AB, Kezic S. Characterization of silver particles in the stratum corneum of healthy subjects and atopic dermatitis patients dermally exposed to a silver-containing garment. Nanotoxicology 2016; 10:1480-1491. [PMID: 27647219 DOI: 10.1080/17435390.2016.1235739] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Silver is increasingly being used in garments to exploit its antibacterial properties. Information on the presence of silver nanoparticles (AgNPs) in garments and their in vivo penetration across healthy and impaired skin from use is limited. We investigated the presence of AgNPs in a silver containing garment and in the stratum corneum (SC) of healthy subjects (CTRLs) and individuals with atopic dermatitis (AD). Seven CTRLs and seven AD patients wore a silver sleeve (13% Ag w/w) 8 h/day for five days on a forearm and a placebo sleeve on the other forearm. After five days, the layers of the SC were collected by adhesive tapes. The silver particles in the garment and SC were characterized by scanning electron microscopy with energy dispersive X-ray analysis (SEM-EDX) and atomic force microscopy (AFM). AFM and SEM revealed the presence of sub-micrometre particles having a broad range of sizes (30-500 nm) on the surface of the garment that were identified as silver. On the SC tapes collected from different depths, aggregates with a wide range of sizes (150 nm-2 μm) and morphologies were found. Most aggregates contained primarily silver, although some also contained chlorine and sulfur. There was no clear difference in the number or size of the aggregates observed in SC between healthy and AD subjects. After use, AgNPs and their aggregates were present in the SC at different depths of both healthy subjects and AD patients. Their micrometre size suggests that aggregation likely occurred in the SC.
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Affiliation(s)
- Carlotta Bianco
- a Department of Chemical and Pharmaceutical Sciences , University of Trieste , Trieste , Italy
| | - Maaike J Visser
- b Academic Medical Center, Coronel Institute of Occupational Health, University of Amsterdam , Amsterdam , The Netherlands
| | - Olivier A Pluut
- b Academic Medical Center, Coronel Institute of Occupational Health, University of Amsterdam , Amsterdam , The Netherlands
| | - Vesna Svetličić
- c Division for Marine and Environmental Research , Laboratory for Bioelectrochemistry and Surface Imaging, Ruđer Bošković Institute , Zagreb , Croatia
| | - Galja Pletikapić
- c Division for Marine and Environmental Research , Laboratory for Bioelectrochemistry and Surface Imaging, Ruđer Bošković Institute , Zagreb , Croatia
| | - Ivone Jakasa
- d Department of Chemistry and Biochemistry , Laboratory for Analytical Chemistry, Faculty of Food Technology and Biotechnology, University of Zagreb , Zagreb , Croatia
| | | | - Gianpiero Adami
- a Department of Chemical and Pharmaceutical Sciences , University of Trieste , Trieste , Italy
| | - Francesca Larese Filon
- f Department of Medical Sciences, Unit of Occupational Medicine , University of Trieste , Trieste , Italy , and
| | | | | | - Sanja Kezic
- b Academic Medical Center, Coronel Institute of Occupational Health, University of Amsterdam , Amsterdam , The Netherlands
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28
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Gillmore ML, Golding LA, Angel BM, Adams MS, Jolley DF. Toxicity of dissolved and precipitated aluminium to marine diatoms. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 174:82-91. [PMID: 26921729 DOI: 10.1016/j.aquatox.2016.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 01/19/2016] [Accepted: 02/13/2016] [Indexed: 06/05/2023]
Abstract
Localised aluminium contamination can lead to high concentrations in coastal waters, which have the potential for adverse effects on aquatic organisms. This research investigated the toxicity of 72-h exposures of aluminium to three marine diatoms (Ceratoneis closterium (formerly Nitzschia closterium), Minutocellus polymorphus and Phaeodactylum tricornutum) by measuring population growth rate inhibition and cell membrane damage (SYTOX Green) as endpoints. Toxicity was correlated to the time-averaged concentrations of different aluminium size-fractions, operationally defined as <0.025μm filtered, <0.45μm filtered (dissolved) and unfiltered (total) present in solution over the 72-h bioassay. The chronic population growth rate inhibition after aluminium exposure varied between diatom species. C. closterium was the most sensitive species (10% inhibition of growth rate (72-h IC10) of 80 (55-100)μg Al/L (95% confidence limits)) while M. polymorphus (540 (460-600)μg Al/L) and P. tricornutum (2100 (2000-2200)μg Al/L) were less sensitive (based on measured total aluminium). Dissolved aluminium was the primary contributor to toxicity in C. closterium, while a combination of dissolved and precipitated aluminium forms contributed to toxicity in M. polymorphus. In contrast, aluminium toxicity to the most tolerant diatom P. tricornutum was due predominantly to precipitated aluminium. Preliminary investigations revealed the sensitivity of C. closterium and M. polymorphus to aluminium was influenced by initial cell density with aluminium toxicity significantly (p<0.05) increasing with initial cell density from 10(3) to 10(5)cells/mL. No effects on plasma membrane permeability were observed for any of the three diatoms suggesting that mechanisms of aluminium toxicity to diatoms do not involve compromising the plasma membrane. These results indicate that marine diatoms have a broad range in sensitivity to aluminium with toxic mechanisms related to both dissolved and precipitated aluminium.
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Affiliation(s)
- Megan L Gillmore
- CSIRO Land and Water, Lucas Heights, NSW 2234, Australia; University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Lisa A Golding
- CSIRO Land and Water, Lucas Heights, NSW 2234, Australia
| | - Brad M Angel
- CSIRO Land and Water, Lucas Heights, NSW 2234, Australia
| | - Merrin S Adams
- CSIRO Land and Water, Lucas Heights, NSW 2234, Australia
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29
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Ramalingam B, Parandhaman T, Das SK. Antibacterial Effects of Biosynthesized Silver Nanoparticles on Surface Ultrastructure and Nanomechanical Properties of Gram-Negative Bacteria viz. Escherichia coli and Pseudomonas aeruginosa. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4963-4976. [PMID: 26829373 DOI: 10.1021/acsami.6b00161] [Citation(s) in RCA: 258] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Understanding the interactions of silver nanoparticles (AgNPs) with the cell surface is crucial for the evaluation of bactericidal activity and for advanced biomedical and environmental applications. Biosynthesis of AgNPs was carried out through in situ reduction of silver nitrate (AgNO3) by cell free protein of Rhizopus oryzae and the synthesized AgNPs was characterized by UV-vis spectroscopy, high resolution transmission electron microscopy (HRTEM), dynamic light scattering (DLS), ζ-potential analysis, and FTIR spectroscopy. The HRTEM measurement confirmed the formation of 7.1 ± 1.2 nm AgNPs, whereas DLS study demonstrated average hydrodynamic size of AgNPs as 9.1 ± 1.6 nm. The antibacterial activity of the biosynthesized AgNPs (ζ = -17.1 ± 1.2 mV) was evaluated against Gram-negative bacteria such as Escherichia coli and Pseudomonas aeruginosa. The results showed that AgNPs exhibited concentration dependent antibacterial activity and 100% killing of E. coli and P. aeruginosa achieved when the cells were treated with 4.5 and 2.7 μg/mL AgNPs, respectively for 4 h. Furthermore, the intracellular reactive oxygen species (ROS) production suppressed the antioxidant defense and exerted mechanical damage to the membrane. AgNPs also induced surface charge neutralization and altered of the cell membrane permeability causing nonviability of the cells. Atomic force microscopy (AFM) studies depicted alteration of ultrastructural and nanomechanical properties of the cell surface following interaction with AgNPs, whereas FTIR spectroscopic analysis demonstrated that cell membrane of the treated cells underwent an order-to-disorder transition during the killing process and chemical composition of the cell membrane including fatty acids, proteins, and carbohydrates was decomposed following interaction with AgNPs.
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Affiliation(s)
- Baskaran Ramalingam
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute (CLRI) , Chennai 600020, India
| | - Thanusu Parandhaman
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute (CLRI) , Chennai 600020, India
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110001, India
| | - Sujoy K Das
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute (CLRI) , Chennai 600020, India
- Academy of Scientific and Innovative Research (AcSIR) , New Delhi 110001, India
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30
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Pinzaru SC, Müller C, Tomšić S, Venter MM, Brezestean I, Ljubimir S, Glamuzina B. Live diatoms facing Ag nanoparticles: surface enhanced Raman scattering of bulk cylindrotheca closterium pennate diatoms and of the single cells. RSC Adv 2016. [DOI: 10.1039/c6ra04255d] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Live diatoms exposed to AgNPs revealed SERS mechanism dependent on the nanoparticles type while the SERS output allowed detection of extracellular substances.
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Affiliation(s)
- Simona Cinta Pinzaru
- Department of Biomolecular Physics
- Babes-Bolyai University
- Cluj-Napoca
- Romania
- Department of Aquaculture
| | - Csilla Müller
- Department of Biomolecular Physics
- Babes-Bolyai University
- Cluj-Napoca
- Romania
| | - Sanja Tomšić
- Department of Aquaculture
- University of Dubrovnik
- 20000 Dubrovnik
- Croatia
| | - Monica M. Venter
- Department of Chemistry
- Babes-Bolyai University
- Faculty of Chemistry and Chemical Engineering
- Cluj-Napoca
- Romania
| | - Ioana Brezestean
- Department of Biomolecular Physics
- Babes-Bolyai University
- Cluj-Napoca
- Romania
| | - Stijepo Ljubimir
- Institute for Marine and Coastal Research
- University of Dubrovnik
- HR-20000 Dubrovnik
- Croatia
| | - Branko Glamuzina
- Department of Aquaculture
- University of Dubrovnik
- 20000 Dubrovnik
- Croatia
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31
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Cybulska J, Halaj M, Cepák V, Lukavský J, Capek P. Nanostructure features of microalgae biopolymer. STARCH-STARKE 2015. [DOI: 10.1002/star.201500159] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Justyna Cybulska
- Institute of Agrophysics; Polish Academy of Sciences; Lublin Poland
| | - Michal Halaj
- Institute of Chemistry; Center for Glycomics; Slovak Academy of Sciences; Bratislava Slovak Republic
| | - Vladimír Cepák
- Institute of Botany; Academy of Sciences of the Czech Republic, Centre for Bioindication and Revitalization; Trebon Czech Republic
| | - Jaroslav Lukavský
- Institute of Botany; Academy of Sciences of the Czech Republic, Centre for Bioindication and Revitalization; Trebon Czech Republic
| | - Peter Capek
- Institute of Chemistry; Center for Glycomics; Slovak Academy of Sciences; Bratislava Slovak Republic
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32
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Moreno-Garrido I, Pérez S, Blasco J. Toxicity of silver and gold nanoparticles on marine microalgae. MARINE ENVIRONMENTAL RESEARCH 2015; 111:60-73. [PMID: 26002248 DOI: 10.1016/j.marenvres.2015.05.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Revised: 05/12/2015] [Accepted: 05/15/2015] [Indexed: 06/04/2023]
Abstract
The increased use of nanomaterials in several novel industrial applications during the last decade has led to a rise in concerns about the potential toxic effects of released engineered nanoparticles (NPs) into the environment, as their potential toxicity to aquatic organisms is just beginning to be recognised. Toxicity of metallic nanoparticles to aquatic organisms, including microalgae, seems to be related to their physical and chemical properties, as well as their behaviour in the aquatic media where processes of dissolution, aggregation and agglomeration can occur. Although the production of these particles has increased considerably in recent years, data on their toxicity on microalgae, especially those belonging to marine or estuarine environments remain scarce and scattered. The literature shows a wide variation of results on toxicity, mainly due to the different methodology used in bioassays involving microalgae. These can range for up to EC50 data, in the case of AgNPs, representing five orders of magnitude. The importance of initial cellular density is also addressed in the text, as well as the need for keeping test conditions as close as possible to environmental conditions, in order to increase their environmental relevance. This review focuses on the fate and toxicity of silver, gold, and gold-silver alloy nanoparticles on microalgae, as key organisms in aquatic ecosystems. It is prompted by their increased production and use, and taking into account that oceans and estuaries are the final sink for those NPs. The design of bioassays and further research in the field of microalgae nanoecotoxicology is discussed, with a brief survey on newly developed technology of green (algae mediated) production of Ag, Au and Ag-Au bimetallic NPs, as well as some final considerations about future research on this field.
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Affiliation(s)
- Ignacio Moreno-Garrido
- Institute of Marine Sciences of Andalusia (ICMAN-CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain.
| | - Sara Pérez
- Institute of Marine Sciences of Andalusia (ICMAN-CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain.
| | - Julián Blasco
- Institute of Marine Sciences of Andalusia (ICMAN-CSIC), Campus Río San Pedro, 11510 Puerto Real, Cádiz, Spain.
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33
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Subbiah R, Jeon SB, Park K, Ahn SJ, Yun K. Investigation of cellular responses upon interaction with silver nanoparticles. Int J Nanomedicine 2015; 10 Spec Iss:191-201. [PMID: 26346562 PMCID: PMC4556294 DOI: 10.2147/ijn.s88508] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
In order for nanoparticles (NPs) to be applied in the biomedical field, a thorough investigation of their interactions with biological systems is required. Although this is a growing area of research, there is a paucity of comprehensive data in cell-based studies. To address this, we analyzed the physicomechanical responses of human alveolar epithelial cells (A549), mouse fibroblasts (NIH3T3), and human bone marrow stromal cells (HS-5), following their interaction with silver nanoparticles (AgNPs). When compared with kanamycin, AgNPs exhibited moderate antibacterial activity. Cell viability ranged from ≤80% at a high AgNPs dose (40 µg/mL) to >95% at a low dose (10 µg/mL). We also used atomic force microscopy-coupled force spectroscopy to evaluate the biophysical and biomechanical properties of cells. This revealed that AgNPs treatment increased the surface roughness (P<0.001) and stiffness (P<0.001) of cells. Certain cellular changes are likely due to interaction of the AgNPs with the cell surface. The degree to which cellular morphology was altered directly proportional to the level of AgNP-induced cytotoxicity. Together, these data suggest that atomic force microscopy can be used as a potential tool to develop a biomechanics-based biomarker for the evaluation of NP-dependent cytotoxicity and cytopathology.
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Affiliation(s)
- Ramesh Subbiah
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul, Republic of Korea ; Department of Biomedical Engineering, Korea University of Science and Technology, Daejon, Republic of Korea
| | - Seong Beom Jeon
- Department of Bionanotechnology, Gachon University, Gyeonggi-do, Republic of Korea ; Centre for Advanced Instrumentation, Korea Research Institute of Standard and Science, Korea University of Science and Technology, Daejeon, Republic of Korea
| | - Kwideok Park
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul, Republic of Korea ; Department of Biomedical Engineering, Korea University of Science and Technology, Daejon, Republic of Korea
| | - Sang Jung Ahn
- Centre for Advanced Instrumentation, Korea Research Institute of Standard and Science, Korea University of Science and Technology, Daejeon, Republic of Korea ; Major of Nano Science, Korea University of Science and Technology, Daejeon, Republic of Korea
| | - Kyusik Yun
- Department of Bionanotechnology, Gachon University, Gyeonggi-do, Republic of Korea
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34
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Pletikapić G, Lannon H, Murvai Ü, Kellermayer MSZ, Svetličić V, Brujic J. Self-assembly of polysaccharides gives rise to distinct mechanical signatures in marine gels. Biophys J 2015; 107:355-364. [PMID: 25028877 DOI: 10.1016/j.bpj.2014.04.065] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 04/10/2014] [Accepted: 04/28/2014] [Indexed: 12/13/2022] Open
Abstract
Marine-gel biopolymers were recently visualized at the molecular level using atomic force microscopy (AFM) to reveal fine fibril-forming networks with low to high degrees of cross-linking. In this work, we use force spectroscopy to quantify the intra- and intermolecular forces within the marine-gel network. Combining force measurements, AFM imaging, and the known chemical composition of marine gels allows us to identify the microscopic origins of distinct mechanical responses. At the single-fibril level, we uncover force-extension curves that resemble those of individual polysaccharide fibrils. They exhibit entropic elasticity followed by extensions associated with chair-to-boat transitions specific to the type of polysaccharide at high forces. Surprisingly, a low degree of cross-linking leads to sawtooth patterns that we attribute to the unraveling of polysaccharide entanglements. At a high degree of cross-linking, we observe force plateaus that arise from unzipping, as well as unwinding, of helical bundles. Finally, the complex 3D network structure gives rise to force staircases of increasing height that correspond to the hierarchical peeling of fibrils away from the junction zones. In addition, we show that these diverse mechanical responses also arise in reconstituted polysaccharide gels, which highlights their dominant role in the mechanical architecture of marine gels.
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Affiliation(s)
- G Pletikapić
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Zagreb, Croatia
| | - H Lannon
- Center for Soft Matter Research and Department of Physics, New York University, New York, New York
| | - Ü Murvai
- Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - M S Z Kellermayer
- Department of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - V Svetličić
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Zagreb, Croatia
| | - J Brujic
- Center for Soft Matter Research and Department of Physics, New York University, New York, New York.
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35
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Li B, Huang W, Zhang C, Feng S, Zhang Z, Lei Z, Sugiura N. Effect of TiO2 nanoparticles on aerobic granulation of algal-bacterial symbiosis system and nutrients removal from synthetic wastewater. BIORESOURCE TECHNOLOGY 2015; 187:214-220. [PMID: 25855527 DOI: 10.1016/j.biortech.2015.03.118] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/19/2015] [Accepted: 03/25/2015] [Indexed: 06/04/2023]
Abstract
The influence of TiO2 nanoparticles (TiO2-NPs) (10-50mg/L) on aerobic granulation of algal-bacterial symbiosis system was investigated by using two identical sequencing batch reactors (SBRs). Although little adverse effect was observed on their nitritation efficiency (98-100% in both reactors), algal-bacterial granules in the control SBR (Rc) gradually lost stability mainly brought about by algae growth. TiO2-NPs addition to RT was found to enhance the granulation process achieving stable and compact algal-bacterial granules with remarkably improved nitratation thus little nitrite accumulation in RT when influent TiO2-NPs⩾30mg/L. Despite almost similar organics and phosphorus removals obtained in both reactors, the stably high nitratation efficiency in addition to much stable granular structure in RT suggests that TiO2-NPs addition might be a promising remedy for the long-term operation of algal-bacterial granular system, most probably attributable to the stimulated excretion of extracellular polymeric substances and less filamentous TM7.
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Affiliation(s)
- Bing Li
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Wenli Huang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Chao Zhang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Sisi Feng
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhenya Zhang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhongfang Lei
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan.
| | - Norio Sugiura
- Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Semarak, Kuala Lumpur 54100, Malaysia; Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
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36
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Ciglenečki I, Svetličić V. Nanoparticles and Marine Environment: An Overview. NANOTECHNOLOGY TO AID CHEMICAL AND BIOLOGICAL DEFENSE 2015. [DOI: 10.1007/978-94-017-7218-1_7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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37
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Lai CY, Santos S, Chiesa M. General interpretation and theory of apparent height in dynamic atomic force microscopy. RSC Adv 2015. [DOI: 10.1039/c5ra16695k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We provide a general theory and interpretation behind the ubiquitous loss of apparent height of nanostructures in dynamic atomic force microscopy that occurs in the attractive regime irrespective of stiffness.
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Affiliation(s)
- Chia-Yun Lai
- Laboratory for Energy and NanoScience (LENS)
- Institute Center for Future Energy (iFES)
- Masdar Institute of Science and Technology
- Abu Dhabi
- United Arab Emirates
| | - Sergio Santos
- Laboratory for Energy and NanoScience (LENS)
- Institute Center for Future Energy (iFES)
- Masdar Institute of Science and Technology
- Abu Dhabi
- United Arab Emirates
| | - Matteo Chiesa
- Laboratory for Energy and NanoScience (LENS)
- Institute Center for Future Energy (iFES)
- Masdar Institute of Science and Technology
- Abu Dhabi
- United Arab Emirates
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38
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Corsi I, Cherr GN, Lenihan HS, Labille J, Hassellov M, Canesi L, Dondero F, Frenzilli G, Hristozov D, Puntes V, Della Torre C, Pinsino A, Libralato G, Marcomini A, Sabbioni E, Matranga V. Common strategies and technologies for the ecosafety assessment and design of nanomaterials entering the marine environment. ACS NANO 2014; 8:9694-709. [PMID: 25265533 DOI: 10.1021/nn504684k] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The widespread use of engineered nanomaterials (ENMs) in a variety of technologies and consumer products inevitably causes their release into aquatic environments and final deposition into the oceans. In addition, a growing number of ENM products are being developed specifically for marine applications, such as antifouling coatings and environmental remediation systems, thus increasing the need to address any potential risks for marine organisms and ecosystems. To safeguard the marine environment, major scientific gaps related to assessing and designing ecosafe ENMs need to be filled. In this Nano Focus, we examine key issues related to the state-of-the-art models and analytical tools being developed to understand ecological risks and to design safeguards for marine organisms.
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Affiliation(s)
- Ilaria Corsi
- Department of Physical, Earth and Environmental Sciences, University of Siena , Siena 53100, Italy
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39
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Pascual García C, Burchardt AD, Carvalho RN, Gilliland D, C. António D, Rossi F, Lettieri T. Detection of silver nanoparticles inside marine diatom Thalassiosira pseudonana by electron microscopy and focused ion beam. PLoS One 2014; 9:e96078. [PMID: 24797958 PMCID: PMC4010438 DOI: 10.1371/journal.pone.0096078] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Accepted: 04/03/2014] [Indexed: 11/19/2022] Open
Abstract
In the following article an electron/ion microscopy study will be presented which investigates the uptake of silver nanoparticles (AgNPs) by the marine diatom Thalassiosira pseudonana, a primary producer aquatic species. This organism has a characteristic silica exoskeleton that may represent a barrier for the uptake of some chemical pollutants, including nanoparticles (NPs), but that presents a technical challenge when attempting to use electron-microscopy (EM) methods to study NP uptake. Here we present a convenient method to detect the NPs interacting with the diatom cell. It is based on a fixation procedure involving critical point drying which, without prior slicing of the cell, allows its inspection using transmission electron microscopy. Employing a combination of electron and ion microscopy techniques to selectively cut the cell where the NPs were detected, we are able to demonstrate and visualize for the first time the presence of AgNPs inside the cell membrane.
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Affiliation(s)
- César Pascual García
- European Commission—Joint Research Centre, Institute for Health and Consumer Protection, Ispra (VA), Italy
- * E-mail: (CPG); (TL)
| | - Alina D. Burchardt
- European Commission—Joint Research Centre, Institute for Environment and Sustainability, Ispra (VA), Italy
- FU-Berlin, Fachbereich Biologie, Chemie, Pharmazie, Berlin, Germany
| | - Raquel N. Carvalho
- European Commission—Joint Research Centre, Institute for Environment and Sustainability, Ispra (VA), Italy
| | - Douglas Gilliland
- European Commission—Joint Research Centre, Institute for Health and Consumer Protection, Ispra (VA), Italy
| | - Diana C. António
- European Commission—Joint Research Centre, Institute for Health and Consumer Protection, Ispra (VA), Italy
- Departamento de Biologia and CESAM, Universidade de Aveiro, Aveiro, Portugal
| | - François Rossi
- European Commission—Joint Research Centre, Institute for Health and Consumer Protection, Ispra (VA), Italy
| | - Teresa Lettieri
- European Commission—Joint Research Centre, Institute for Environment and Sustainability, Ispra (VA), Italy
- * E-mail: (CPG); (TL)
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40
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Marine polysaccharide networks and diatoms at the nanometric scale. Int J Mol Sci 2013; 14:20064-78. [PMID: 24113585 PMCID: PMC3821603 DOI: 10.3390/ijms141020064] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Revised: 09/14/2013] [Accepted: 09/18/2013] [Indexed: 11/16/2022] Open
Abstract
Despite many advances in research on photosynthetic carbon fixation in marine diatoms, the biophysical and biochemical mechanisms of extracellular polysaccharide production remain significant challenges to be resolved at the molecular scale in order to proceed toward an understanding of their functions at the cellular level, as well as their interactions and fate in the ocean. This review covers studies of diatom extracellular polysaccharides using atomic force microscopy (AFM) imaging and the quantification of physical forces. Following a brief summary of the basic principle of the AFM experiment and the first AFM studies of diatom extracellular polymeric substance (EPS), we focus on the detection of supramolecular structures in polysaccharide systems produced by marine diatoms. Extracellular polysaccharide fibrils, attached to the diatom cell wall or released into the surrounding seawater, form distinct supramolecular assemblies best described as gel networks. AFM makes characterization of the diatom polysaccharide networks at the micro and nanometric scales and a clear distinction between the self-assembly and self-organization of these complex systems in marine environments possible.
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Liu Q, Zhang X, Zhao Y, Lin J, Shu C, Wang C, Fang X. Fullerene-induced increase of glycosyl residue on living plant cell wall. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:7490-8. [PMID: 23721301 DOI: 10.1021/es4010224] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In this work, we have investigated the change of cell wall for the tobacco plant cell (Nicotiana tobacum L. cv. Bright Yellow) under the repression of water-soluble carboxyfullerenes (C70(C(COOH)2)(2-4)). The adsorption of C70(C(COOH)2)(2-4) on cell wall led to the disruption of cell wall and membrane, and consequently, cell growth inhibition. Results from atomic force microscopy (AFM) force measurement and confocal imaging revealed an increase of the glycosyl residue on the cell wall of carboxyfullerene-treated cells, with a time- and dose-dependent manner, and accompanied by the elevated reactive oxygen species (ROS). Moreover, the stimulation-sensitive alteration of glycosyl residue and ROS was demonstrated, which suggested a possible protection strategy for the plant cells under fullerene repression. This study provides the first direct evidence on the change of plant cell wall composition under the repression of fullerene and is the first successful application of AFM ligand-receptor binding force measurement to the living plant cell. The new information present here would help to a better understanding and assessment of the biological effect of fullerenes on plant.
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Affiliation(s)
- Qiaoling Liu
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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