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Escorcia-Díaz D, García-Mora S, Rendón-Castrillón L, Ramírez-Carmona M, Ocampo-López C. Advancements in Nanoparticle Deposition Techniques for Diverse Substrates: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2586. [PMID: 37764615 PMCID: PMC10537803 DOI: 10.3390/nano13182586] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/03/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023]
Abstract
Nanoparticle deposition on various substrates has gained significant attention due to the potential applications of nanoparticles in various fields. This review paper comprehensively analyzes different nanoparticle deposition techniques on ceramic, polymeric, and metallic substrates. The deposition techniques covered include electron gun evaporation, physical vapor deposition, plasma enriched chemical vapor deposition (PECVD), electrochemical deposition, chemical vapor deposition, electrophoretic deposition, laser metal deposition, and atomic layer deposition (ALD), thermophoretic deposition, supercritical deposition, spin coating, and dip coating. Additionally, the sustainability aspects of these deposition techniques are discussed, along with their potential applications in anti-icing, antibacterial power, and filtration systems. Finally, the review explores the importance of deposition purities in achieving optimal nanomaterial performance. This comprehensive review aims to provide valuable insights into state-of-the-art techniques and applications in the field of nanomaterial deposition.
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Affiliation(s)
- Daniel Escorcia-Díaz
- Nanotechnology Engineering Program, Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (D.E.-D.); (S.G.-M.)
| | - Sebastián García-Mora
- Nanotechnology Engineering Program, Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (D.E.-D.); (S.G.-M.)
| | - Leidy Rendón-Castrillón
- Chemical Engineering Program, Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
| | - Margarita Ramírez-Carmona
- Chemical Engineering Program, Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
| | - Carlos Ocampo-López
- Chemical Engineering Program, Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
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2
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Hancock ML, Grulke EA, Yokel RA. Carboxylic acids and light interact to affect nanoceria stability and dissolution in acidic aqueous environments. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:762-780. [PMID: 37405151 PMCID: PMC10315891 DOI: 10.3762/bjnano.14.63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 06/19/2023] [Indexed: 07/06/2023]
Abstract
Cerium atoms on the surfaces of nanoceria (i.e., cerium oxide in the form of nanoparticles) can store or release oxygen, cycling between Ce3+ and Ce4+; therefore, they can cause or relieve oxidative stress within living systems. Nanoceria dissolution occurs in acidic environments. Nanoceria stabilization is a known problem even during its synthesis; in fact, a carboxylic acid, namely citric acid, is used in many synthesis protocols. Citric acid adsorbs onto nanoceria surfaces, limiting particle formation and creating stable dispersions with extended shelf life. To better understand factors influencing the fate of nanoceria, its dissolution and stabilization have been previously studied in vitro using acidic aqueous environments. Nanoceria agglomerated in the presence of some carboxylic acids over 30 weeks, and degraded in others, at pH 4.5 (i.e., the pH value in phagolysosomes). Plants release carboxylic acids, and cerium carboxylates are found in underground and aerial plant parts. To further test nanoceria stability, suspensions were exposed to light and dark conditions, simulating plant environments and biological systems. Light induced nanoceria agglomeration in the presence of some carboxylic acids. Nanoceria agglomeration did not occur in the dark in the presence of most carboxylic acids. Light initiates free radicals generated by ceria nanoparticles. Nanoceria completely dissolved in the presence of citric, malic, and isocitric acid when exposed to light, attributed to nanoceria dissolution, release of Ce3+ ions, and formation of cerium coordination complexes on the ceria nanoparticle surface that inhibit agglomeration. Key functional groups of carboxylic acids that prevented nanoceria agglomeration were identified. A long carbon chain backbone containing a carboxylic acid group geminal to a hydroxy group in addition to a second carboxylic acid group may optimally complex with nanoceria. The results provide mechanistic insight into the role of carboxylic acids in nanoceria dissolution and its fate in soils, plants, and biological systems.
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Affiliation(s)
- Matthew L Hancock
- Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506-0046, United States
| | - Eric A Grulke
- Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506-0046, United States
| | - Robert A Yokel
- Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536-0596, United States
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3
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Mbanga O, Cukrowska E, Gulumian M. A Comparative Study of the Biodurability and Persistence of Gold, Silver and Titanium Dioxide Nanoparticles Using the Continuous Flow through System. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13101653. [PMID: 37242069 DOI: 10.3390/nano13101653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023]
Abstract
The potential for nanoparticles to cause harm to human health and the environment is correlated with their biodurability in the human body and persistence in the environment. Dissolution testing serves to predict biodurability and nanoparticle environmental persistence. In this study, dissolution testing using the continuous flow through system was used to investigate the biodurability and persistence of gold nanoparticles (AuNPs), silver nanoparticles (AgNPs) and titanium dioxide nanoparticles (TiO2 NPs) in five different simulated biological fluids and two synthetic environmental media to predict their behaviour in real life situations. This study examined the physicochemical properties and agglomeration state of gold, silver and titanium dioxide nanoparticles before and after dissolution tests using three different techniques (UV-vis, XRD and TEM). The UV-vis spectra revealed that all three nanoparticles shifted to higher wavelengths after being exposed to simulated fluids. The titanium powder was found to be mixed with both rutile and anatase, according to XRD examination. The average diameter of gold nanoparticles was 14 nm, silver nanoparticles were 10 nm and titanium dioxide nanoparticles were 25 nm, according to TEM images. The gold and silver nanoparticles were observed to be spherical, but the titanium dioxide nanoparticles were irregular in shape, with some being spherical. The level of dissolved nanoparticles in simulated acidic media was higher in magnitude compared to that dissolved in simulated alkaline media. The results obtained via the continuous flow through dissolution system also displayed very significant dissolution rates. For TiO2 NPs the calculated half-times were in the range of 13-14 days, followed by AuNPs ranging between 4-12 days, significantly longer if compared to the half-times of AgNPs ranging between 2-7 days. AuNPs and TiO2 NPs were characterized by low dissolution rates therefore are expected to be (bio)durable in physiological surroundings and persistent in the environment thus, they might impose long-term effects on humans and the environment. In contrast, AgNPs have high dissolution rates and not (bio)durable and hence may cause short-term effects. The results suggest a hierarchy of biodurability and persistence of TiO2 NPs > AuNPs > AgNPs. It is recommended that nanoparticle product developers should follow the test guidelines stipulated by the OECD to ensure product safety for use before it is taken to the market.
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Affiliation(s)
- Odwa Mbanga
- Molecular Sciences Institute, School of Chemistry, University of Witwatersrand, Private Bag X3, Johannesburg 2050, South Africa
| | - Ewa Cukrowska
- Molecular Sciences Institute, School of Chemistry, University of Witwatersrand, Private Bag X3, Johannesburg 2050, South Africa
| | - Mary Gulumian
- Water Research Group, Unit for Environmental Sciences and Management, Northwest University, Private Bag X6001, Potchefstroom 2520, South Africa
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4
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Tundisi LL, Ataide JA, Costa JSR, Coêlho DDF, Liszbinski RB, Lopes AM, Oliveira-Nascimento L, de Jesus MB, Jozala AF, Ehrhardt C, Mazzola PG. Nanotechnology as a tool to overcome macromolecules delivery issues. Colloids Surf B Biointerfaces 2023; 222:113043. [PMID: 36455361 DOI: 10.1016/j.colsurfb.2022.113043] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 11/09/2022] [Accepted: 11/18/2022] [Indexed: 11/21/2022]
Abstract
Nanocarriers can deliver drugs to specific organs or cells, potentially bridging the gap between a drug's function and its interaction with biological systems such as human physiology. The untapped potential of nanotechnology stems from its ability to manipulate materials, allowing control over physical and chemical properties and overcoming drug-related problems, e.g., poor solubility or poor bioavailability. For example, most protein drugs are administered parenterally, each with challenges and peculiarities. Some problems faced by bioengineered macromolecule drugs leading to poor bioavailability are short biological half-life, large size and high molecular weight, low permeability through biological membranes, and structural instability. Nanotechnology emerges as a promising strategy to overcome these problems. Nevertheless, the delivery system should be carefully chosen considering loading efficiency, physicochemical properties, production conditions, toxicity, and regulations. Moving from the bench to the bedside is still one of the major bottlenecks in nanomedicine, and toxicological issues are the greatest challenges to overcome. This review provides an overview of biotech drug delivery approaches, associated nanotechnology novelty, toxicological issues, and regulations.
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Affiliation(s)
| | - Janaína Artem Ataide
- Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil.
| | - Juliana Souza Ribeiro Costa
- Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil; Laboratory of Pharmaceutical Technology (Latef), Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil
| | | | - Raquel Bester Liszbinski
- Nano-Cell Interactions Lab., Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (Unicamp), Campinas, Brazil
| | - André Moreni Lopes
- Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil
| | - Laura Oliveira-Nascimento
- Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil; Laboratory of Pharmaceutical Technology (Latef), Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil
| | - Marcelo Bispo de Jesus
- Nano-Cell Interactions Lab., Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (Unicamp), Campinas, Brazil
| | - Angela Faustino Jozala
- LAMINFE - Laboratory of Industrial Microbiology and Fermentation Process, University of Sorocaba, Sorocaba, Brazil
| | - Carsten Ehrhardt
- School of Pharmacy and Pharmaceutical Sciences and Trinity Biomedical Sciences Institute Trinity College Dublin, Dublin, Ireland
| | - Priscila Gava Mazzola
- Faculty of Pharmaceutical Sciences, University of Campinas (Unicamp), Campinas, Brazil
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5
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Bocca B, Battistini B, Leso V, Fontana L, Caimi S, Fedele M, Iavicoli I. Occupational Exposure to Metal Engineered Nanoparticles: A Human Biomonitoring Pilot Study Involving Italian Nanomaterial Workers. TOXICS 2023; 11:120. [PMID: 36850996 PMCID: PMC9962841 DOI: 10.3390/toxics11020120] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Advances in nanotechnology have led to an increased use of engineered nanoparticles (ENPs) and the likelihood for occupational exposures. However, how to assess such exposure remains a challenge. In this study, a methodology for human biomonitoring, based on Single Particle Inductively Coupled Plasma Mass Spectrometry (SP-ICP-MS), was developed as a tool to assess the ENPs exposure of workers involved in nanomaterial activities in two Italian Companies. The method was validated for size and number concentration determination of Ag, Au, In2O3, Ir, Pd, Pt, and TiO2 NPs in urine and blood samples. The results showed the presence of In2O3 NPs in blood of exposed workers (mean, 38 nm and 10,371 particles/mL), but not in blood of controls. Silver, Au, and TiO2 NPs were found in urine (mean, Ag 29 nm and 16,568 particles/mL) or blood (mean, Au 15 nm and 126,635 particles/mL; TiO2 84 nm and 27,705 particles/mL) of workers, though these NPs were found also in controls. The presence of ENPs in both workers and controls suggested that the extra-professional exposure is a source of ENPs that cannot be disregarded. Iridium, Pd, and Pt NPs were not detected neither in blood nor in urine. Overall, the findings provided a rational basis to evaluate the exposure assessment to ENPs in cohorts of workers as part of risk assessment and risk management processes in workplaces.
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Affiliation(s)
- Beatrice Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Beatrice Battistini
- Department of Environment and Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Veruscka Leso
- Department of Public Health, University of Naples Federico II, 80138 Naples, Italy
| | - Luca Fontana
- Department of Public Health, University of Naples Federico II, 80138 Naples, Italy
| | - Stefano Caimi
- Department of Environment and Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Mauro Fedele
- Department of Public Health, University of Naples Federico II, 80138 Naples, Italy
| | - Ivo Iavicoli
- Department of Public Health, University of Naples Federico II, 80138 Naples, Italy
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6
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Tschiche HR, Bierkandt FS, Creutzenberg O, Fessard V, Franz R, Greiner R, Gruber-Traub C, Haas KH, Haase A, Hartwig A, Hesse B, Hund-Rinke K, Iden P, Kromer C, Loeschner K, Mutz D, Rakow A, Rasmussen K, Rauscher H, Richter H, Schoon J, Schmid O, Som C, Spindler LM, Tovar GEM, Westerhoff P, Wohlleben W, Luch A, Laux P. Analytical and toxicological aspects of nanomaterials in different product groups: Challenges and opportunities. NANOIMPACT 2022; 28:100416. [PMID: 35995388 DOI: 10.1016/j.impact.2022.100416] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 07/15/2022] [Accepted: 08/14/2022] [Indexed: 06/15/2023]
Abstract
The widespread integration of engineered nanomaterials into consumer and industrial products creates new challenges and requires innovative approaches in terms of design, testing, reliability, and safety of nanotechnology. The aim of this review article is to give an overview of different product groups in which nanomaterials are present and outline their safety aspects for consumers. Here, release of nanomaterials and related analytical challenges and solutions as well as toxicological considerations, such as dose-metrics, are discussed. Additionally, the utilization of engineered nanomaterials as pharmaceuticals or nutraceuticals to deliver and release cargo molecules is covered. Furthermore, critical pathways for human exposure to nanomaterials, namely inhalation and ingestion, are discussed in the context of risk assessment. Analysis of NMs in food, innovative medicine or food contact materials is discussed. Specific focus is on the presence and release of nanomaterials, including whether nanomaterials can migrate from polymer nanocomposites used in food contact materials. With regard to the toxicology and toxicokinetics of nanomaterials, aspects of dose metrics of inhalation toxicity as well as ingestion toxicology and comparison between in vitro and in vivo conclusions are considered. The definition of dose descriptors to be applied in toxicological testing is emphasized. In relation to potential exposure from different products, opportunities arising from the use of advanced analytical techniques in more unique scenarios such as release of nanomaterials from medical devices such as orthopedic implants are addressed. Alongside higher product performance and complexity, further challenges regarding material characterization and safety, as well as acceptance by the general public are expected.
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Affiliation(s)
- Harald R Tschiche
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany.
| | - Frank S Bierkandt
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany
| | - Otto Creutzenberg
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hannover, Germany
| | - Valerie Fessard
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Fougères Laboratory, Toxicology of contaminants Unit, Fougères, France
| | - Roland Franz
- Fraunhofer Institute for Process Engineering and Packaging (IVV), Freising, Germany
| | - Ralf Greiner
- Department of Food Technology and Bioprocess Engineering, Max Rubner-Institut, Karlsruhe, Germany
| | - Carmen Gruber-Traub
- Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB), Stuttgart, Germany
| | - Karl-Heinz Haas
- Fraunhofer Institute for Silicate Research (ISC), Würzburg, Germany
| | - Andrea Haase
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany
| | - Andrea Hartwig
- Karlsruhe Institute of Technology (KIT), Institute of Applied Biosciences (IAB), Food Chemistry and Toxicology, Germany
| | - Bernhard Hesse
- European Synchrotron Radiation Facility, Grenoble, France
| | - Kerstin Hund-Rinke
- Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Schmallenberg, Germany
| | | | - Charlotte Kromer
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany
| | - Katrin Loeschner
- National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | - Diana Mutz
- German Federal Institute for Risk Assessment (BfR), Research Strategy and Coordination, Berlin, Germany
| | - Anastasia Rakow
- Charité - Universitätsmedizin Berlin, Center for Musculoskeletal Surgery, Berlin, Germany; Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany
| | | | - Hubert Rauscher
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Hannes Richter
- Fraunhofer IKTS - Institute for Ceramic Technologies and Systems, Hermsdorf, Germany
| | - Janosch Schoon
- Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
| | - Otmar Schmid
- Comprehensive Pneumology Center (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany; Institute of Lung Health and Immunity, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - Claudia Som
- Technology and Society Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa), St. Gallen, Switzerland
| | - Lena M Spindler
- Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB), Stuttgart, Germany; University of Stuttgart, Institute of Interfacial Process Engineering and Plasma Technology (IGVP), Stuttgart, Germany
| | - Günter E M Tovar
- Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB), Stuttgart, Germany; University of Stuttgart, Institute of Interfacial Process Engineering and Plasma Technology (IGVP), Stuttgart, Germany
| | - Paul Westerhoff
- Arizona State University, Tempe, AZ, United States of America
| | | | - Andreas Luch
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany
| | - Peter Laux
- German Federal Institute for Risk Assessment (BfR), Department of Chemical and Product Safety, Berlin, Germany
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7
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Vineeth Kumar CM, Karthick V, Kumar VG, Inbakandan D, Rene ER, Suganya KSU, Embrandiri A, Dhas TS, Ravi M, Sowmiya P. The impact of engineered nanomaterials on the environment: Release mechanism, toxicity, transformation, and remediation. ENVIRONMENTAL RESEARCH 2022; 212:113202. [PMID: 35398077 DOI: 10.1016/j.envres.2022.113202] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/24/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
The presence and longevity of nanomaterials in the ecosystem, as well as their properties, account for environmental toxicity. When nanomaterials in terrestrial and aquatic systems are exposed to the prevailing environmental conditions, they undergo various transformations such as dissociation, dissolution, and aggregation, which affects the food chain. The toxicity of nanomaterials is influenced by a variety of factors, including environmental factors and its physico-chemical characteristics. Bioaccumulation, biotransformation, and biomagnification are the mechanisms that have been identified for determining the fate of nanomaterials. The route taken by nanomaterials to reach living cells provides us with information about their toxicity profile. This review discusses the recent advances in the transport, transformation, and fate of nanomaterials after they are released into the environment. The review also discusses how nanoparticles affect lower trophic organisms through direct contact, the impact of nanoparticles on higher trophic organisms, and the possible options for remediation.
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Affiliation(s)
- C M Vineeth Kumar
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - V Karthick
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India.
| | - V Ganesh Kumar
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - D Inbakandan
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, P. O. Box 3015, 2611AX Delft, the Netherlands
| | - K S Uma Suganya
- Department of Biotechnology and Biochemical Engineering, Sree Chitra Thirunal College of Engineering, Pappanamcode, Thiruvananthapuram, 695018, Kerala, India
| | - Asha Embrandiri
- Department of Environmental Health, College of Medicine and Health Sciences, Wollo University, P. O. Box 1145, Dessie, Amhara, Ethiopia
| | - T Stalin Dhas
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - M Ravi
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - P Sowmiya
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
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8
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Saleh DM, Luo S, Ahmed OHM, Alexander DB, Alexander WT, Gunasekaran S, El-Gazzar AM, Abdelgied M, Numano T, Takase H, Ohnishi M, Tomono S, Hady RHAE, Fukamachi K, Kanno J, Hirose A, Xu J, Suzuki S, Naiki-Ito A, Takahashi S, Tsuda H. Assessment of the toxicity and carcinogenicity of double-walled carbon nanotubes in the rat lung after intratracheal instillation: a two-year study. Part Fibre Toxicol 2022; 19:30. [PMID: 35449069 PMCID: PMC9026941 DOI: 10.1186/s12989-022-00469-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/07/2022] [Indexed: 02/06/2023] Open
Abstract
Background Considering the expanding industrial applications of carbon nanotubes (CNTs), safety assessment of these materials is far less than needed. Very few long-term in vivo studies have been carried out. This is the first 2-year in vivo study to assess the effects of double walled carbon nanotubes (DWCNTs) in the lung and pleura of rats after pulmonary exposure. Methods Rats were divided into six groups: untreated, Vehicle, 3 DWCNT groups (0.12 mg/rat, 0.25 mg/rat and 0.5 mg/rat), and MWCNT-7 (0.5 mg/rat). The test materials were administrated by intratracheal-intrapulmonary spraying (TIPS) every other day for 15 days. Rats were observed without further treatment until sacrifice. Results DWCNT were biopersistent in the rat lung and induced marked pulmonary inflammation with a significant increase in macrophage count and levels of the chemotactic cytokines CCL2 and CCL3. In addition, the 0.5 mg DWCNT treated rats had significantly higher pulmonary collagen deposition compared to the vehicle controls. The development of carcinomas in the lungs of rats treated with 0.5 mg DWCNT (4/24) was not quite statistically higher (p = 0.0502) than the vehicle control group (0/25), however, the overall incidence of lung tumor development, bronchiolo-alveolar adenoma and bronchiolo-alveolar carcinoma combined, in the lungs of rats treated with 0.5 mg DWCNT (7/24) was statistically higher (p < 0.05) than the vehicle control group (1/25). Notably, two of the rats treated with DWCNT, one in the 0.25 mg group and one in the 0.5 mg group, developed pleural mesotheliomas. However, both of these lesions developed in the visceral pleura, and unlike the rats administered MWCNT-7, rats administered DWCNT did not have elevated levels of HMGB1 in their pleural lavage fluids. This indicates that the mechanism by which the mesotheliomas that developed in the DWCNT treated rats is not relevant to humans. Conclusions Our results demonstrate that the DWCNT fibers we tested are biopersistent in the rat lung and induce chronic inflammation. Rats treated with 0.5 mg DWCNT developed pleural fibrosis and lung tumors. These findings demonstrate that the possibility that at least some types of DWCNTs are fibrogenic and tumorigenic cannot be ignored.
Supplementary Information The online version contains supplementary material available at 10.1186/s12989-022-00469-8.
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Affiliation(s)
- Dina Mourad Saleh
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.,Department of Experimental Pathology and Tumor Biology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan.,Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Assuit University, Assuit, Egypt
| | - Shengyong Luo
- College of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Omnia Hosny Mohamed Ahmed
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.,Department of Experimental Pathology and Tumor Biology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan.,Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Aswan University, Aswan, Egypt
| | - David B Alexander
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.
| | - William T Alexander
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Sivagami Gunasekaran
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.,Department of Experimental Pathology and Tumor Biology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Ahmed M El-Gazzar
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Mohamed Abdelgied
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt.,Department of Pediatrics and Human Development, Michigan State University, Michigan, USA
| | - Takamasa Numano
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Hiroshi Takase
- Core Laboratory, Graduate School of Medicine, Nagoya City University, Nagoya, Japan
| | - Makoto Ohnishi
- Japan Industrial Safety and Health Association, Japan Bioassay Research Center, Hadano, Kanagawa, Japan
| | - Susumu Tomono
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Randa Hussein Abd El Hady
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Assuit University, Assuit, Egypt
| | - Katsumi Fukamachi
- Department of Neurotoxicology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Jun Kanno
- National Institute Hygienic Sciences, Kawasaki, Japan
| | | | - Jiegou Xu
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.,Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Shugo Suzuki
- Department of Molecular Pathology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Aya Naiki-Ito
- Department of Experimental Pathology and Tumor Biology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Hiroyuki Tsuda
- Nanotoxicology Lab Project, Nagoya City University, 3-1 Tanabe-Dohri, Mizuho-ku, Nagoya, 467-8603, Japan.
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9
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Forest V. Experimental and Computational Nanotoxicology-Complementary Approaches for Nanomaterial Hazard Assessment. NANOMATERIALS 2022; 12:nano12081346. [PMID: 35458054 PMCID: PMC9031966 DOI: 10.3390/nano12081346] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 12/25/2022]
Abstract
The growing development and applications of nanomaterials lead to an increasing release of these materials in the environment. The adverse effects they may elicit on ecosystems or human health are not always fully characterized. Such potential toxicity must be carefully assessed with the underlying mechanisms elucidated. To that purpose, different approaches can be used. First, experimental toxicology consisting of conducting in vitro or in vivo experiments (including clinical studies) can be used to evaluate the nanomaterial hazard. It can rely on variable models (more or less complex), allowing the investigation of different biological endpoints. The respective advantages and limitations of in vitro and in vivo models are discussed as well as some issues associated with experimental nanotoxicology. Perspectives of future developments in the field are also proposed. Second, computational nanotoxicology, i.e., in silico approaches, can be used to predict nanomaterial toxicity. In this context, we describe the general principles, advantages, and limitations especially of quantitative structure–activity relationship (QSAR) models and grouping/read-across approaches. The aim of this review is to provide an overview of these different approaches based on examples and highlight their complementarity.
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Affiliation(s)
- Valérie Forest
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, Etablissement Français du Sang, INSERM, U1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
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10
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Mbanga O, Cukrowska E, Gulumian M. Dissolution kinetics of silver nanoparticles: Behaviour in simulated biological fluids and synthetic environmental media. Toxicol Rep 2022; 9:788-796. [DOI: 10.1016/j.toxrep.2022.03.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 02/25/2022] [Accepted: 03/29/2022] [Indexed: 10/18/2022] Open
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11
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Ramos TI, Villacis-Aguirre CA, López-Aguilar KV, Santiago Padilla L, Altamirano C, Toledo JR, Santiago Vispo N. The Hitchhiker's Guide to Human Therapeutic Nanoparticle Development. Pharmaceutics 2022; 14:247. [PMID: 35213980 PMCID: PMC8879439 DOI: 10.3390/pharmaceutics14020247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/04/2022] [Accepted: 01/13/2022] [Indexed: 02/06/2023] Open
Abstract
Nanomedicine plays an essential role in developing new therapies through novel drug delivery systems, diagnostic and imaging systems, vaccine development, antibacterial tools, and high-throughput screening. One of the most promising drug delivery systems are nanoparticles, which can be designed with various compositions, sizes, shapes, and surface modifications. These nanosystems have improved therapeutic profiles, increased bioavailability, and reduced the toxicity of the product they carry. However, the clinical translation of nanomedicines requires a thorough understanding of their properties to avoid problems with the most questioned aspect of nanosystems: safety. The particular physicochemical properties of nano-drugs lead to the need for additional safety, quality, and efficacy testing. Consequently, challenges arise during the physicochemical characterization, the production process, in vitro characterization, in vivo characterization, and the clinical stages of development of these biopharmaceuticals. The lack of a specific regulatory framework for nanoformulations has caused significant gaps in the requirements needed to be successful during their approval, especially with tests that demonstrate their safety and efficacy. Researchers face many difficulties in establishing evidence to extrapolate results from one level of development to another, for example, from an in vitro demonstration phase to an in vivo demonstration phase. Additional guidance is required to cover the particularities of this type of product, as some challenges in the regulatory framework do not allow for an accurate assessment of NPs with sufficient evidence of clinical success. This work aims to identify current regulatory issues during the implementation of nanoparticle assays and describe the major challenges that researchers have faced when exposing a new formulation. We further reflect on the current regulatory standards required for the approval of these biopharmaceuticals and the requirements demanded by the regulatory agencies. Our work will provide helpful information to improve the success of nanomedicines by compiling the challenges described in the literature that support the development of this novel encapsulation system. We propose a step-by-step approach through the different stages of the development of nanoformulations, from their design to the clinical stage, exemplifying the different challenges and the measures taken by the regulatory agencies to respond to these challenges.
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Affiliation(s)
- Thelvia I. Ramos
- Laboratorio de Biotecnología y Biofármacos, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción 4070386, Chile; (T.I.R.); (C.A.V.-A.)
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas—ESPE, Sangolquí 171103, Ecuador
| | - Carlos A. Villacis-Aguirre
- Laboratorio de Biotecnología y Biofármacos, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción 4070386, Chile; (T.I.R.); (C.A.V.-A.)
| | - Katherine V. López-Aguilar
- Carrera Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas—ESPE, Sangolquí 171103, Ecuador;
| | | | - Claudia Altamirano
- Escuela de Ingeniería Bioquímica, Facultad de Ingeniería, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2085, Valparaíso 2362803, Chile;
- Centro Regional de Estudios en Alimentos Saludables, Av. Universidad 330, Placilla, Sector Curauma, Valparaíso 2340000, Chile
| | - Jorge R. Toledo
- Laboratorio de Biotecnología y Biofármacos, Departamento de Fisiopatología, Facultad de Ciencias Biológicas, Universidad de Concepción, Víctor Lamas 1290, Concepción 4070386, Chile; (T.I.R.); (C.A.V.-A.)
| | - Nelson Santiago Vispo
- School of Biological Sciences and Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador
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12
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García-Rodríguez A, Moreno-Olivas F, Marcos R, Tako E, Marques CNH, Mahler GJ. The Role of Metal Oxide Nanoparticles, Escherichia coli, and Lactobacillus rhamnosus on Small Intestinal Enzyme Activity. ENVIRONMENTAL SCIENCE. NANO 2020; 7:3940-3964. [PMID: 33815806 PMCID: PMC8011031 DOI: 10.1039/d0en01001d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Engineered nanomaterials (ENMs) have become common in the food industry, which motivates the need to evaluate ENM effects on human health. Gastrointestinal (GI) in vitro models (e.g. Caco-2, Caco-2/HT29-MTX) have been used in nanotoxicology research. However, the human gut environment is composed of both human cells and the gut microbiota. The goal of this study is to increase the complexity of the Caco-2/HT29-MTX in vitro model by co-culturing human cells with the Gram-positive, commensal Lactobacillus rhamnosus or the Gram-negative, opportunistic Escherichia coli; with the hypothesis that the presence of bacteria would ameliorate the effects of exposure to metal oxide nanoparticles (NPs) such as iron oxide (Fe2O3), silicone dioxide (SiO2), titanium dioxide (TiO2), or zinc oxide (ZnO). To understand this relationship, Caco-2/HT29-MTX cell barriers were acutely co-exposed (4 hours) to bacteria and/or NPs (pristine or in vitro digested). The activity of the brush border membrane (BBM) enzymes intestinal alkaline phosphatase (IAP), aminopeptidase-N (APN), sucrase isomaltase (SI) and the basolateral membrane enzyme (BLM) Na+/K+ ATPase were assessed. Findings show that (i) the human digestion process alters the physicochemical properties of NPs, (ii) large agglomerates of NPs remain entrapped on the apical side of the intestinal barrier, which (iii) affects the activity of BBM enzymes. Interestingly, some NPs effects were attenuated in the presence of either bacterial strains. Confocal microscopy detected bacteria-NPs interactions, which may impede the NP-intestinal cell contact. These results highlight the importance of improving in vitro models to closely mimic the complexities of the human body.
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Affiliation(s)
- Alba García-Rodríguez
- Department of Biomedical Engineering, Binghamton University, Binghamton, NY, 13902, USA
- Binghamton Biofilm Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Biological Sciences, Binghamton University, Binghamton, NY, 1302, USA
- Department of Genetics and Microbiology, Faculty of Bioscience, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, 08193, Spain
| | - Fabiola Moreno-Olivas
- Department of Biomedical Engineering, Binghamton University, Binghamton, NY, 13902, USA
- Binghamton Biofilm Research Center, Binghamton University, Binghamton, NY, 13902, USA
| | - Ricard Marcos
- Department of Genetics and Microbiology, Faculty of Bioscience, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, 08193, Spain
| | - Elad Tako
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853-7201, USA
| | - Cláudia N. H. Marques
- Binghamton Biofilm Research Center, Binghamton University, Binghamton, NY, 13902, USA
- Department of Biological Sciences, Binghamton University, Binghamton, NY, 1302, USA
| | - Gretchen J. Mahler
- Department of Biomedical Engineering, Binghamton University, Binghamton, NY, 13902, USA
- Binghamton Biofilm Research Center, Binghamton University, Binghamton, NY, 13902, USA
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13
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Singh AV, Ansari MHD, Rosenkranz D, Maharjan RS, Kriegel FL, Gandhi K, Kanase A, Singh R, Laux P, Luch A. Artificial Intelligence and Machine Learning in Computational Nanotoxicology: Unlocking and Empowering Nanomedicine. Adv Healthc Mater 2020; 9:e1901862. [PMID: 32627972 DOI: 10.1002/adhm.201901862] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 04/17/2020] [Indexed: 12/22/2022]
Abstract
Advances in nanomedicine, coupled with novel methods of creating advanced materials at the nanoscale, have opened new perspectives for the development of healthcare and medical products. Special attention must be paid toward safe design approaches for nanomaterial-based products. Recently, artificial intelligence (AI) and machine learning (ML) gifted the computational tool for enhancing and improving the simulation and modeling process for nanotoxicology and nanotherapeutics. In particular, the correlation of in vitro generated pharmacokinetics and pharmacodynamics to in vivo application scenarios is an important step toward the development of safe nanomedicinal products. This review portrays how in vitro and in vivo datasets are used in in silico models to unlock and empower nanomedicine. Physiologically based pharmacokinetic (PBPK) modeling and absorption, distribution, metabolism, and excretion (ADME)-based in silico methods along with dosimetry models as a focus area for nanomedicine are mainly described. The computational OMICS, colloidal particle determination, and algorithms to establish dosimetry for inhalation toxicology, and quantitative structure-activity relationships at nanoscale (nano-QSAR) are revisited. The challenges and opportunities facing the blind spots in nanotoxicology in this computationally dominated era are highlighted as the future to accelerate nanomedicine clinical translation.
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Affiliation(s)
- Ajay Vikram Singh
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
| | - Mohammad Hasan Dad Ansari
- The BioRobotics Institute, Scuola Superiore Sant'Anna, Via Rinaldo Piaggio 34, Pontedera, 56025, Italy
- Department of Excellence in Robotics & AI, Scuola Superiore Sant'Anna, Via Rinaldo Piaggio 34, Pontedera, 56025, Italy
| | - Daniel Rosenkranz
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
| | - Romi Singh Maharjan
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
| | - Fabian L Kriegel
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
| | - Kaustubh Gandhi
- Bosch Sensortec GmbH, Gerhard-Kindler-Straße 9, Reutlingen, 72770, Germany
| | - Anurag Kanase
- Department of Bioengineering, Northeastern University, Boston, MA, 02215, USA
| | - Rishabh Singh
- Rajarshi Shahu College of Engineering, Pune, Maharashtra, 411033, India
| | - Peter Laux
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
| | - Andreas Luch
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, Berlin, 10589, Germany
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14
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Haque S, Pouton CW, McIntosh MP, Ascher DB, Keizer DW, Whittaker MR, Kaminskas LM. The impact of size and charge on the pulmonary pharmacokinetics and immunological response of the lungs to PLGA nanoparticles after intratracheal administration to rats. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2020; 30:102291. [PMID: 32841737 DOI: 10.1016/j.nano.2020.102291] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/05/2020] [Accepted: 08/12/2020] [Indexed: 11/16/2022]
Abstract
Polylactide-co-glycolide (PLGA) nanoparticles are one of the most commonly explored biodegradable polymeric drug carriers for inhaled delivery. Despite their advantages as inhalable nanomedicine scaffolds, we still lack a complete understanding of the kinetics and major pathways by which these materials are cleared from the lungs. This information is important to evaluate their safety over prolonged use and enable successful clinical translation. This study aimed to determine how the size and charge of 3H-labeled PLGA nanoparticles affect the kinetics and mechanisms by which they are cleared from the lungs and their safety in the lungs. The results showed that lung clearance kinetics and retention patterns were more significantly defined by particle size, whereas lung clearance pathways were largely influenced by particle charge. Each of the nanoparticles caused transient inflammatory changes in the lungs after a single dose that reflected lung retention times.
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Affiliation(s)
- Shadabul Haque
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne, VIC, Australia
| | - Colin W Pouton
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia
| | - Michelle P McIntosh
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia
| | - David B Ascher
- Bio21 Institute, University of Melbourne, Melbourne, VIC, Australia
| | - David W Keizer
- Bio21 Institute, University of Melbourne, Melbourne, VIC, Australia
| | - Michael R Whittaker
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne, VIC, Australia.
| | - Lisa M Kaminskas
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia; School of Biomedical Sciences, University of Queensland, St Lucia, QLD, Australia.
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15
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Li X, He E, Zhang M, Peijnenburg WJGM, Liu Y, Song L, Cao X, Zhao L, Qiu H. Interactions of CeO 2 nanoparticles with natural colloids and electrolytes impact their aggregation kinetics and colloidal stability. JOURNAL OF HAZARDOUS MATERIALS 2020; 386:121973. [PMID: 31884366 DOI: 10.1016/j.jhazmat.2019.121973] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 12/22/2019] [Accepted: 12/23/2019] [Indexed: 06/10/2023]
Abstract
The aggregation kinetics and colloidal stability of CeO2-NPs in the presence of monovalent or divalent electrolytes, as well as inorganic (kaolin and goethite) and organic (humic acid, HA) colloids were evaluated using time-resolved dynamic light scattering, advanced spectroscopic tools, and theoretical calculations. Critical coagulation concentrations for CeO2-NPs were generally lower in CaCl2 than that in NaCl electrolyte. The negatively charged kaolin accelerated CeO2-NPs aggregation due to electrostatic attraction, whilst opposite phenomenon was observed for the positively charged goethite in NaCl solution. In CaCl2 solution, goethite destabilized CeO2-NPs because of its well-crystal structure and specific adsorption of Ca2+. The presence of 0.1 mg C/L HA decreased the surface charge of CeO2-NPs, resulting in lower critical coagulation concentrations. Increasing the HA concentration from 0.1 to 1 mg C/L improved CeO2-NPs stability, mainly via electrostatic and steric repulsion. The Ca2+-bridging and complexation contributed significantly to CeO2-NPs aggregation. Additional aggregation experiments in seven natural waters revealed that CeO2-NPs remained stable in water types with high contents of organic colloids and low levels of salts, thus having higher transport potential. These findings provided new insights into the interactive influence of naturally occurring colloids and ions on the heteroaggregation behavior and fate of CeO2-NPs.
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Affiliation(s)
- Xing Li
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Erkai He
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China
| | - Miaoyue Zhang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China
| | - Willie J G M Peijnenburg
- National Institute of Public Health and the Environment, Center for the Safety of Substances and Products, Bilthoven, 3720 BA, the Netherlands
| | - Yang Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Lan Song
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xinde Cao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Ling Zhao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hao Qiu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
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16
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Kriegel FL, Krause BC, Reichardt P, Singh AV, Tentschert J, Laux P, Jungnickel H, Luch A. The Vitamin A and D Exposure of Cells Affects the Intracellular Uptake of Aluminum Nanomaterials and its Agglomeration Behavior: A Chemo-Analytic Investigation. Int J Mol Sci 2020; 21:E1278. [PMID: 32074956 PMCID: PMC7072912 DOI: 10.3390/ijms21041278] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/07/2020] [Accepted: 02/12/2020] [Indexed: 01/26/2023] Open
Abstract
Aluminum (Al) is extensively used for the production of different consumer products, agents, as well as pharmaceuticals. Studies that demonstrate neurotoxicity and a possible link to Alzheimer's disease trigger concern about potential health risks due to high Al intake. Al in cosmetic products raises the question whether a possible interaction between Al and retinol (vitamin A) and cholecalciferol (vitamin D3) metabolism might exist. Understanding the uptake mechanisms of ionic or elemental Al and Al nanomaterials (Al NMs) in combination with bioactive substances are important for the assessment of possible health risk associated. Therefore, we studied the uptake and distribution of Al oxide (Al2O3) and metallic Al0 NMs in the human keratinocyte cell line HaCaT. Possible alterations of the metabolic pattern upon application of the two Al species together with vitamin A or D3 were investigated. Time-of-flight secondary ion mass spectrometry (ToF-SIMS) imaging and inductively coupled plasma mass spectrometry (ICP-MS) were applied to quantify the cellular uptake of Al NMs.
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Affiliation(s)
- Fabian L. Kriegel
- German Federal Institute for Risk Assessment, Department of Chemical & Product Safety, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (B.-C.K.); (P.R.); (A.V.S.); (J.T.); (P.L.); (H.J.); (A.L.)
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17
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Rodriguez-Garraus A, Azqueta A, Vettorazzi A, López de Cerain A. Genotoxicity of Silver Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E251. [PMID: 32023837 PMCID: PMC7075128 DOI: 10.3390/nano10020251] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/22/2020] [Accepted: 01/24/2020] [Indexed: 12/18/2022]
Abstract
Silver nanoparticles (AgNPs) are widely used in diverse sectors such as medicine, food, cosmetics, household items, textiles and electronics. Given the extent of human exposure to AgNPs, information about the toxicological effects of such products is required to ensure their safety. For this reason, we performed a bibliographic review of the genotoxicity studies carried out with AgNPs over the last six years. A total of 43 articles that used well-established standard assays (i.e., in vitro mouse lymphoma assays, in vitro micronucleus tests, in vitro comet assays, in vivo micronucleus tests, in vivo chromosome aberration tests and in vivo comet assays), were selected. The results showed that AgNPs produce genotoxic effects at all DNA damage levels evaluated, in both in vitro and in vivo assays. However, a higher proportion of positive results was obtained in the in vitro studies. Some authors observed that coating and size had an effect on both in vitro and in vivo results. None of the studies included a complete battery of assays, as recommended by ICH and EFSA guidelines, and few of the authors followed OECD guidelines when performing assays. A complete genotoxicological characterization of AgNPs is required for decision-making.
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Affiliation(s)
- Adriana Rodriguez-Garraus
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Nutrition, Universidad de Navarra, Irunlarrea 1, 31008 Pamplona, Spain; (A.R.-G.); (A.V.); (A.L.d.C.)
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Nutrition, Universidad de Navarra, Irunlarrea 1, 31008 Pamplona, Spain; (A.R.-G.); (A.V.); (A.L.d.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
| | - Ariane Vettorazzi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Nutrition, Universidad de Navarra, Irunlarrea 1, 31008 Pamplona, Spain; (A.R.-G.); (A.V.); (A.L.d.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
| | - Adela López de Cerain
- Department of Pharmacology and Toxicology, Faculty of Pharmacy and Nutrition, Universidad de Navarra, Irunlarrea 1, 31008 Pamplona, Spain; (A.R.-G.); (A.V.); (A.L.d.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
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18
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Keller JG, Graham UM, Koltermann-Jülly J, Gelein R, Ma-Hock L, Landsiedel R, Wiemann M, Oberdörster G, Elder A, Wohlleben W. Predicting dissolution and transformation of inhaled nanoparticles in the lung using abiotic flow cells: The case of barium sulfate. Sci Rep 2020; 10:458. [PMID: 31949204 PMCID: PMC6965653 DOI: 10.1038/s41598-019-56872-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 12/17/2019] [Indexed: 02/04/2023] Open
Abstract
Barium sulfate (BaSO4) was considered to be poorly-soluble and of low toxicity, but BaSO4 NM-220 showed a surprisingly short retention after intratracheal instillation in rat lungs, and incorporation of Ba within the bones. Here we show that static abiotic dissolution cannot rationalize this result, whereas two dynamic abiotic dissolution systems (one flow-through and one flow-by) indicated 50% dissolution after 5 to 6 days at non-saturating conditions regardless of flow orientation, which is close to the in vivo half-time of 9.6 days. Non-equilibrium conditions were thus essential to simulate in vivo biodissolution. Instead of shrinking from 32 nm to 23 nm (to match the mass loss to ions), TEM scans of particles retrieved from flow-cells showed an increase to 40 nm. Such transformation suggested either material transport through interfacial contact or Ostwald ripening at super-saturating conditions and was also observed in vivo inside macrophages by high-resolution TEM following 12 months inhalation exposure. The abiotic flow cells thus adequately predicted the overall pulmonary biopersistence of the particles that was mediated by non-equilibrium dissolution and recrystallization. The present methodology for dissolution and transformation fills a high priority gap in nanomaterial hazard assessment and is proposed for the implementation of grouping and read-across by dissolution rates.
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Affiliation(s)
- Johannes G Keller
- Department Experimental Toxicology and Ecology and Department Material Physics, BASF SE, 67056, Ludwigshafen, Germany.,Institute of Pharmacy, Faculty of Biology, Chemistry & Pharmacy, Freie Universität Berlin, 14195, Berlin, Germany
| | - Uschi M Graham
- National Institute of Occupational Safety and Health, Cincinnati, Ohio, 45226, USA
| | - Johanna Koltermann-Jülly
- Department Experimental Toxicology and Ecology and Department Material Physics, BASF SE, 67056, Ludwigshafen, Germany.,Biopharmaceutics and Pharmaceutical Technology, Saarland University, 66123, Saarbrücken, Germany
| | - Robert Gelein
- University of Rochester Medical Center, Rochester, New York, USA
| | - Lan Ma-Hock
- Department Experimental Toxicology and Ecology and Department Material Physics, BASF SE, 67056, Ludwigshafen, Germany
| | - Robert Landsiedel
- Department Experimental Toxicology and Ecology and Department Material Physics, BASF SE, 67056, Ludwigshafen, Germany
| | - Martin Wiemann
- IBE R&D Institute for Lung Health gGmbH, Mendelstr. 11, 48149, Münster, Germany
| | | | - Alison Elder
- University of Rochester Medical Center, Rochester, New York, USA.
| | - Wendel Wohlleben
- Department Experimental Toxicology and Ecology and Department Material Physics, BASF SE, 67056, Ludwigshafen, Germany.
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19
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Hauser M, Nowack B. Meta-Analysis of Pharmacokinetic Studies of Nanobiomaterials for the Prediction of Excretion Depending on Particle Characteristics. Front Bioeng Biotechnol 2019; 7:405. [PMID: 31921810 PMCID: PMC6927930 DOI: 10.3389/fbioe.2019.00405] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 11/27/2019] [Indexed: 02/03/2023] Open
Abstract
The growth in development and use of nanobiomaterials (NBMs) has raised questions regarding their possible distribution in the environment. Because most NBMs are not yet available on the market and exposure monitoring is thus not possible, prospective exposure modeling is the method of choice to get information on their future environmental exposure. An important input for such models is the fraction of the NBM excreted after their application to humans. The aim of this study was to analyze the current literature on excretion of NBMs using a meta-analysis. Published pharmacokinetic data from in vivo animal experiments was collected and compiled in a database, including information on the material characteristics. An evaluation of the data showed that there is no correlation between the excretion (in % of injected dose, ID) and the material type, the dose, the zeta potential or the size of the particles. However, the excretion is dependent on the type of administration with orally administered NBMs being excreted to a larger extent than intravenously administered ones. A statistically significant difference was found for IV vs. oral and oral vs. inhalation. The database provided by this work can be used for future studies to parameterize the transfer of NBMs from humans to wastewater. Generic probability distributions of excretion for oral and IV-administration are provided to enable excretion modeling of NBMs without data for a specific NBM.
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Affiliation(s)
| | - Bernd Nowack
- Empa, Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
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Leibrock L, Wagener S, Singh AV, Laux P, Luch A. Nanoparticle induced barrier function assessment at liquid-liquid and air-liquid interface in novel human lung epithelia cell lines. Toxicol Res (Camb) 2019; 8:1016-1027. [PMID: 32153768 PMCID: PMC7021197 DOI: 10.1039/c9tx00179d] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/14/2019] [Indexed: 01/05/2023] Open
Abstract
Inhalation is the most relevant entry point for nanoparticles (NPs) into the human body. To date, toxicity testing of nanomaterials in respect to oral, dermal and inhalative application is mainly based on animal experiments. The development of alternative test methods is the subject of current research. In vitro models can help to investigate mechanistic aspects, as e.g. cellular uptake or genotoxicity and might help to reduce in vivo testing. Lung cell lines are proper in vitro tools to assess NP toxicity. In respect to this, various cell models have been developed during the recent years, but often lack in a proper intact barrier function. However, besides other important in vivo criteria which are still missing like e.g. circulation, this is one basic prerequisite to come closer to the in vivo situation in certain mechanistic aspects such as particle translocation which is an important task for risk assessment of nanomaterials. Novel developed in vitro models may help to investigate the translocation of nanomaterials from the lung. We investigated the barrier function of the recently developed human lung cell lines CI-hAELVi and CI-huAEC. The cells were further exposed to CeO2 NPs and ZnO NPs, and their suitability as in vitro models for toxicological investigations was proven. The obtained data were compared with data generated with the A549 cell line. Measurement of transepithelial resistance and immunohistochemical examination of tight junctions confirmed the formation of a functional barrier for both cell lines for submerged and air-liquid cultivation. For particle exposure, hAELVi and huAEC cells showed comparable results to A549 cells without losing the barrier function. CeO2 NP exposure revealed no toxicity for all cell lines. In contrast, ZnO NPs was toxic for all cell lines at a concentration between 10-50 μg ml-1. Due to the comparable results to A549 cells CI-hAELVi and CI-huAEC offer new opportunities to investigate nanoparticle cell interactions more realistic than recent 2D cell models.
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Affiliation(s)
- Lars Leibrock
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Sandra Wagener
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Ajay Vikram Singh
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Peter Laux
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Andreas Luch
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
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Sauer UG, Kreiling R. The Grouping and Assessment Strategy for Organic Pigments (GRAPE): Scientific evidence to facilitate regulatory decision-making. Regul Toxicol Pharmacol 2019; 109:104501. [PMID: 31629781 DOI: 10.1016/j.yrtph.2019.104501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/09/2019] [Accepted: 10/15/2019] [Indexed: 10/25/2022]
Abstract
This article presents the Grouping and Assessment Strategy for Organic Pigments (GRAPE). GRAPE is driven by the hypotheses that low (bio)dissolution and low permeability indicate absence of systemic bioavailability and hence no systemic toxicity potential upon oral exposure, and, for inhalation exposure, that low (bio)dissolution (and absence of surface reactivity, dispersibility and in vitro effects) indicate that the organic pigment is a 'poorly soluble particle without intrinsic toxicity potential'. In GRAPE Tier 1, (bio)solubility and (bio)dissolution are assessed, and in Tier 2, in vitro Caco-2 permeability and in vitro alveolar macrophage activation. Thereafter, organic pigments are grouped by common properties (further considering structural similarity depending on the regulatory requirements). In Tier 3, absence of systemic bioavailability is verified by limited in vivo screening (rat 28-day oral and 5-day inhalation toxicity studies). If Tier 3 confirms no (or only very low) systemic bioavailability, all higher-tier endpoint-specific animal testing is scientifically not-relevant. Application of the GRAPE can serve to reduce animal testing needs for all but few representative organic pigments within a group. GRAPE stands in line with the EU REACH Regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals). An ongoing research project aims at establishing a proof-of-concept of the GRAPE.
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Haque S, Feeney O, Meeusen E, Boyd BJ, McIntosh MP, Pouton CW, Whittaker M, Kaminskas LM. Local inflammation alters the lung disposition of a drug loaded pegylated liposome after pulmonary dosing to rats. J Control Release 2019; 307:32-43. [DOI: 10.1016/j.jconrel.2019.05.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 05/13/2019] [Accepted: 05/28/2019] [Indexed: 11/16/2022]
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Liu X, Yang Z, Sun J, Ma T, Hua F, Shen Z. A brief review of cytotoxicity of nanoparticles on mesenchymal stem cells in regenerative medicine. Int J Nanomedicine 2019; 14:3875-3892. [PMID: 31213807 PMCID: PMC6539172 DOI: 10.2147/ijn.s205574] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 04/21/2019] [Indexed: 12/30/2022] Open
Abstract
Multipotent mesenchymal stem cells have shown great promise for application in regenerative medicine owing to their particular therapeutic effects, such as significant self-renewability, low immunogenicity, and ability to differentiate into a variety of specialized cells. However, there remain certain complicated and unavoidable problems that limit their further development and application. One of the challenges is to noninvasively monitor the delivery and biodistribution of transplanted stem cells during treatment without relying on behavioral endpoints or tissue histology, and it is important to explore the potential mechanisms to clarify how stem cells work in vivo. To solve these problems, various nanoparticles (NPs) and their corresponding imaging methods have been developed recently and have made great progress. In this review, we mainly discuss NPs used to label stem cells and their toxic effects on the latter, the imaging techniques to detect such NPs, and the current existing challenges in this field.
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Affiliation(s)
- Xuan Liu
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
| | - Ziying Yang
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
| | - Jiacheng Sun
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
| | - Teng Ma
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
| | - Fei Hua
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
| | - Zhenya Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, People's Republic of China
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Wagener S, Jungnickel H, Dommershausen N, Fischer T, Laux P, Luch A. Determination of Nanoparticle Uptake, Distribution, and Characterization in Plant Root Tissue after Realistic Long-Term Exposure to Sewage Sludge Using Information from Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:5416-5426. [PMID: 30964664 DOI: 10.1021/acs.est.8b07222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The use of nanoparticles (NPs) in numerous products and their potential accumulation causes major concern for humans and the environment. Until now, the uptake of NPs in plant tissue was mostly shown under greenhouse conditions at high doses and short exposure periods. Here, we present results on the uptake of particulate silver (Ag) and cerium dioxide (CeO2) in the tissues of Triticum aestivum, Brassica napus, and Hordeum vulgare, after exposure to sewage sludge treated with nano-Ag (NM300 K at 1.8 and 7.0 mg/kg sludge per dm soil) and nano-CeO2 (NM212 at 10 and 50 mg/kg sludge per dm soil). All plants were cultivated in a rural area near the German town Schmallenberg according to the common regional crop rotation on outdoor lysimeters. The highest concentrations measured were 86.4 mg/kg for Ag ( Hordeum vulgare) and 94 mg/kg for Ce ( Triticum sativum). Analysis of plant samples revealed the presence of Ag mainly in its ionic form. However, the occurrence of nano- and larger sized particles of Ag and CeO2 was observed as well. Quantitative shares of the particulate fraction of the total element concentration were estimated up to 22.4% for Ag and up to 85.1% for CeO2. A high abundance of particle agglomerates in the phloem suggests upward transport of the nanoparticles to other plant parts. A small number of agglomerates in the xylem suggests a downward transport and subsequent accumulation in the root phloem. Exemplary investigations of Brassica napus root exposed to nano-CeO2 revealed no accumulation of the pristine material in the cell nucleus; however, CePO4 was found. The presence of this substance points to a dissolution of the low soluble CeO2 in planta and subsequent precipitation. Furthermore, for the first time, mixed NP-salt agglomerates, composed of Ca3PO4+ and K3SO4+ NPs, could be observed within Brassica napus root tissue.
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Affiliation(s)
- Sandra Wagener
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
| | - Harald Jungnickel
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
| | - Nils Dommershausen
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
| | - Thomas Fischer
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
| | - Peter Laux
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
| | - Andreas Luch
- Department of Chemical and Product Safety , German Federal Institute for Risk Assessment (BfR) , Max-Dohrn-Strasse 8-10 , D-10589 , Berlin , Germany
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Yokel RA, Hancock ML, Grulke EA, Unrine JM, Dozier AK, Graham UM. Carboxylic acids accelerate acidic environment-mediated nanoceria dissolution. Nanotoxicology 2019; 13:455-475. [PMID: 30729879 PMCID: PMC6609459 DOI: 10.1080/17435390.2018.1553251] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 11/21/2018] [Accepted: 11/22/2018] [Indexed: 12/13/2022]
Abstract
Ligands that accelerate nanoceria dissolution may greatly affect its fate and effects. This project assessed the carboxylic acid contribution to nanoceria dissolution in aqueous, acidic environments. Nanoceria has commercial and potential therapeutic and energy storage applications. It biotransforms in vivo. Citric acid stabilizes nanoceria during synthesis and in aqueous dispersions. In this study, citrate-stabilized nanoceria dispersions (∼4 nm average primary particle size) were loaded into dialysis cassettes whose membranes passed cerium salts but not nanoceria particles. The cassettes were immersed in iso-osmotic baths containing carboxylic acids at pH 4.5 and 37 °C, or other select agents. Cerium atom material balances were conducted for the cassette and bath by sampling of each chamber and cerium quantitation by ICP-MS. Samples were collected from the cassette for high-resolution transmission electron microscopy observation of nanoceria size. In carboxylic acid solutions, nanoceria dissolution increased bath cerium concentration to >96% of the cerium introduced as nanoceria into the cassette and decreased nanoceria primary particle size in the cassette. In solutions of citric, malic, and lactic acids and the ammonium ion ∼15 nm, ceria agglomerates persisted. In solutions of other carboxylic acids, some select nanoceria agglomerates grew to ∼1 micron. In carboxylic acid solutions, dissolution half-lives were 800-4000 h; in water and horseradish peroxidase they were ≥55,000 h. Extending these findings to in vivo and environmental systems, one expects acidic environments containing carboxylic acids to degrade nanoceria by dissolution; two examples would be phagolysosomes and in the plant rhizosphere.
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Affiliation(s)
- Robert A. Yokel
- Pharmaceutical Sciences, University of Kentucky, Lexington, KY
| | | | - Eric A. Grulke
- Chemical & Materials Engineering, University of Kentucky, Lexington, KY
| | - Jason M. Unrine
- Plant and Soil Sciences, University of Kentucky, Lexington, KY
| | | | - Uschi M. Graham
- Pharmaceutical Sciences, University of Kentucky, Lexington, KY
- CDC/NIOSH, Cincinnati, OH
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Singh AV, Laux P, Luch A, Sudrik C, Wiehr S, Wild AM, Santomauro G, Bill J, Sitti M. Review of emerging concepts in nanotoxicology: opportunities and challenges for safer nanomaterial design. Toxicol Mech Methods 2019; 29:378-387. [DOI: 10.1080/15376516.2019.1566425] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Ajay Vikram Singh
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Peter Laux
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Andreas Luch
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Chaitanya Sudrik
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Stefan Wiehr
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Anna-Maria Wild
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Giulia Santomauro
- Institute for Materials Science, University of Stuttgart, Stuttgart, Germany
| | - Joachim Bill
- Institute for Materials Science, University of Stuttgart, Stuttgart, Germany
| | - Metin Sitti
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
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27
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Catalán J, Fascineli ML, Politakos N, Hartikainen M, Garcia MP, Cáceres-Vélez PR, Moreno C, Silva SWD, Morais PC, Norppa H, Moya SE, Azevedo RB. In vivo toxicological evaluation of polymer brush engineered nanoceria: impact of brush charge. Nanotoxicology 2018; 13:305-325. [DOI: 10.1080/17435390.2018.1543469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Julia Catalán
- aWork Environment, Occupational Safety, Finnish Institute of Occupational Health, Helsinki, Finland
- bDepartment of Anatomy Embryology and Genetics, University of Zaragoza, Zaragoza, Spain
| | - Maria Luiza Fascineli
- cLaboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília DF, Brazil
| | - Nikolaos Politakos
- dSoft Matter Nanotechnology Laboratory, CIC biomaGUNE, San Sebastián, Spain
| | - Mira Hartikainen
- aWork Environment, Occupational Safety, Finnish Institute of Occupational Health, Helsinki, Finland
| | - Mônica Pereira Garcia
- cLaboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília DF, Brazil
| | - Paolin Rocio Cáceres-Vélez
- cLaboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília DF, Brazil
- dSoft Matter Nanotechnology Laboratory, CIC biomaGUNE, San Sebastián, Spain
| | - Carlos Moreno
- bDepartment of Anatomy Embryology and Genetics, University of Zaragoza, Zaragoza, Spain
| | | | - Paulo César Morais
- eInstitute of Physics, University of Brasília, Brasília DF, Brazil
- fSchool of Chemistry and Chemical Engineering, Anhui University, Hefei, China
| | - Hannu Norppa
- aWork Environment, Occupational Safety, Finnish Institute of Occupational Health, Helsinki, Finland
| | - Sergio E. Moya
- dSoft Matter Nanotechnology Laboratory, CIC biomaGUNE, San Sebastián, Spain
| | - Ricardo Bentes Azevedo
- cLaboratory of Nanobiotechnology, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília DF, Brazil
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Siegrist S, Cörek E, Detampel P, Sandström J, Wick P, Huwyler J. Preclinical hazard evaluation strategy for nanomedicines. Nanotoxicology 2018; 13:73-99. [PMID: 30182784 DOI: 10.1080/17435390.2018.1505000] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The increasing nanomedicine usage has raised concerns about their possible impact on human health. Present evaluation strategies for nanomaterials rely on a case-by-case hazard assessment. They take into account material properties, biological interactions, and toxicological responses. Authorities have also emphasized that exposure route and intended use should be considered in the safety assessment of nanotherapeutics. In contrast to an individual assessment of nanomaterial hazards, we propose in the present work a novel and unique evaluation strategy designed to uncover potential adverse effects of such materials. We specifically focus on spherical engineered nanoparticles used as parenterally administered nanomedicines. Standardized assay protocols from the US Nanotechnology Characterization Laboratory as well as the EU Nanomedicine Characterisation Laboratory can be used for experimental data generation. We focus on both cellular uptake and intracellular persistence as main indicators for nanoparticle hazard potentials. Based on existing regulatory specifications defined by authorities such as the European Medicines Agency and the United States Food and Drug Administration, we provide a robust framework for application-oriented classification paired with intuitive decision making. The Hazard Evaluation Strategy (HES) for injectable nanoparticles is a three-tiered concept covering physicochemical characterization, nanoparticle (bio)interactions, and hazard assessment. It is cost-effective and can assist in the design and optimization of nanoparticles intended for therapeutic use. Furthermore, this concept is designed to be adaptable for alternative exposure and application scenarios. To the knowledge of the authors, the HES is unique in its methodology based on exclusion criteria. It is the first hazard evaluation strategy designed for nanotherapeutics.
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Affiliation(s)
- Stefan Siegrist
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Emre Cörek
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Pascal Detampel
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Jenny Sandström
- b Swiss Centre for Applied Human Toxicology , Basel , Switzerland
| | - Peter Wick
- c Laboratory for Patricles-Biology Interactions , Empa Swiss Federal Laboratories for Materials Science and Technology , St. Gallen , Switzerland
| | - Jörg Huwyler
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
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Bierkandt FS, Leibrock L, Wagener S, Laux P, Luch A. The impact of nanomaterial characteristics on inhalation toxicity. Toxicol Res (Camb) 2018; 7:321-346. [PMID: 30090585 PMCID: PMC6060709 DOI: 10.1039/c7tx00242d] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 01/31/2018] [Indexed: 12/27/2022] Open
Abstract
During the last few decades, nanotechnology has evolved into a success story, apparent from a steadily increasing number of scientific publications as well as a large number of applications based on engineered nanomaterials (ENMs). Its widespread uses suggest a high relevance for consumers, workers and the environment, hence justifying intensive investigations into ENM-related adverse effects as a prerequisite for nano-specific regulations. In particular, the inhalation of airborne ENMs, being assumed to represent the most hazardous type of human exposure to these kinds of particles, needs to be scrutinized. Due to an increased awareness of possible health effects, which have already been seen in the case of ultrafine particles (UFPs), research and regulatory measures have set in to identify and address toxic implications following their almost ubiquitous occurrence. Although ENM properties differ from those of the respective bulk materials, the available assessment protocols are often designed for the latter. Despite the large benefit ensuing from the application of nanotechnology, many issues related to ENM behavior and adverse effects are not fully understood or should be examined anew. The traditional hypothesis that ENMs exhibit different or additional hazards due to their "nano" size has been challenged in recent years and ENM categorization according to their properties and toxicity mechanisms has been proposed instead. This review summarizes the toxicological effects of inhaled ENMs identified to date, elucidating the modes of action which provoke different mechanisms in the respiratory tract and their resulting effects. By linking particular mechanisms and adverse effects to ENM properties, grouping of ENMs based on toxicity-related properties is supposed to facilitate toxicological risk assessment. As intensive studies are still required to identify these "ENM classes", the need for alternatives to animal studies is evident and advances in cell-based test systems for pulmonary research are presented here. We hope to encourage the ongoing discussion about ENM risks and to advocate the further development and practice of suitable testing and grouping methods.
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Affiliation(s)
- Frank S Bierkandt
- German Federal Institute of Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Strasse 8-10 , 10589 Berlin , Germany . ; Tel: (+49) 30 18412-4538
| | - Lars Leibrock
- German Federal Institute of Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Strasse 8-10 , 10589 Berlin , Germany . ; Tel: (+49) 30 18412-4538
| | - Sandra Wagener
- German Federal Institute of Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Strasse 8-10 , 10589 Berlin , Germany . ; Tel: (+49) 30 18412-4538
| | - Peter Laux
- German Federal Institute of Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Strasse 8-10 , 10589 Berlin , Germany . ; Tel: (+49) 30 18412-4538
| | - Andreas Luch
- German Federal Institute of Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Strasse 8-10 , 10589 Berlin , Germany . ; Tel: (+49) 30 18412-4538
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Ventura C, Sousa-Uva A, Lavinha J, Silva MJ. Conventional and novel “omics”-based approaches to the study of carbon nanotubes pulmonary toxicity. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2018; 59:334-362. [PMID: 29481700 DOI: 10.1002/em.22177] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 01/05/2018] [Accepted: 01/21/2018] [Indexed: 02/05/2023]
Affiliation(s)
- Célia Ventura
- Departamento de Genética Humana; Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA); Lisboa Portugal
- Departamento de Saúde Ocupacional e Ambiental; Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa (UNL); Lisboa Portugal
- Center for Toxicogenomics and Human Health (ToxOmics), NOVA Medical School-FCM, UNL; Lisboa Portugal
| | - António Sousa-Uva
- Departamento de Saúde Ocupacional e Ambiental; Escola Nacional de Saúde Pública, Universidade NOVA de Lisboa (UNL); Lisboa Portugal
- CISP - Public Health Research Center; Lisboa Portugal
| | - João Lavinha
- Departamento de Genética Humana; Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA); Lisboa Portugal
| | - Maria João Silva
- Departamento de Genética Humana; Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA); Lisboa Portugal
- Center for Toxicogenomics and Human Health (ToxOmics), NOVA Medical School-FCM, UNL; Lisboa Portugal
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Detection of ZrO₂ Nanoparticles in Lung Tissue Sections by Time-of-Flight Secondary Ion Mass Spectrometry and Ion Beam Microscopy. NANOMATERIALS 2018; 8:nano8010044. [PMID: 29342982 PMCID: PMC5791131 DOI: 10.3390/nano8010044] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 12/15/2017] [Accepted: 12/28/2017] [Indexed: 12/31/2022]
Abstract
The increasing use of nanoparticles (NP) in commercial products requires elaborated techniques to detect NP in the tissue of exposed organisms. However, due to the low amount of material, the detection and exact localization of NP within tissue sections is demanding. In this respect, Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) and Ion Beam Microscopy (IBM) are promising techniques, because they both offer sub-micron lateral resolutions along with high sensitivities. Here, we compare the performance of the non-material-consumptive IBM and material-consumptive ToF-SIMS for the detection of ZrO2 NP (primary size 9–10 nm) in rat lung tissue. Unfixed or methanol-fixed air-dried cryo-sections were subjected to IBM using proton beam scanning or to three-dimensional ToF-SIMS (3D ToF-SIMS) using either oxygen or argon gas cluster ion beams for complete sample sputtering. Some sample sites were analyzed first by IBM and subsequently by 3D ToF-SIMS, to compare results from exactly the same site. Both techniques revealed that ZrO2 NP particles occurred mostly agglomerated in phagocytic cells with only small quantities being associated to the lung epithelium, with Zr, S, and P colocalized within the same biological structures. However, while IBM provided quantitative information on element distribution, 3D ToF-SIMS delivered a higher lateral resolution and a lower limit of detection under these conditions. We, therefore, conclude that 3D ToF-SIMS, although not yet a quantitative technique, is a highly valuable tool for the detection of NP in biological tissue.
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Haque S, Whittaker M, McIntosh MP, Pouton CW, Phipps S, Kaminskas LM. A comparison of the lung clearance kinetics of solid lipid nanoparticles and liposomes by following the 3H-labelled structural lipids after pulmonary delivery in rats. Eur J Pharm Biopharm 2018; 125:1-12. [PMID: 29309835 DOI: 10.1016/j.ejpb.2018.01.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 11/16/2017] [Accepted: 01/04/2018] [Indexed: 12/31/2022]
Abstract
The utility of biodegradable nanosized drug carriers for the local and controlled delivery of therapeutics to the lungs has prompted significant interest in the development of inhalable nanomedicines. Still, little is known about how these systems are cleared from the lungs, including the kinetics of the structural lipids. Most preclinical and clinical studies to date have evaluated the lung clearance of loaded drugs, which in many cases poorly reflects the kinetics of the nanocarrier, or the bulk-labelled particles. This study therefore aimed to describe and compare the pulmonary pharmacokinetic behaviour and patterns of lung clearance of two commonly explored inhalable nanocarriers (anionic ∼150 nm liposomes and solid lipid nanoparticles [SLNs]) in rats by following the 3H-labelled structural lipids (phosphatidylcholine and tristearin respectively). The data showed that SLNs and liposomes were cleared from the lungs at similar rates, despite SLNs being deposited after intratracheal instillation in the upper respiratory track, and primarily via the mucociliary escalator, but this process was more pronounced for SLNs. Structural lipids were mainly associated with plasma proteins rather than nanocarrier in plasma. The lipids also exhibit prolonged lung exposure and are associated with the lung tissue (rather than BALF) over 2 weeks.
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Affiliation(s)
- Shadabul Haque
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Pde, Parkville, VIC 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne, VIC 3052, Australia
| | - Michael Whittaker
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Pde, Parkville, VIC 3052, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne, VIC 3052, Australia
| | - Michelle P McIntosh
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Pde, Parkville, VIC 3052, Australia
| | - Colin W Pouton
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Pde, Parkville, VIC 3052, Australia
| | - Simon Phipps
- School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Lisa M Kaminskas
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Pde, Parkville, VIC 3052, Australia; School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia.
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33
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Krause B, Meyer T, Sieg H, Kästner C, Reichardt P, Tentschert J, Jungnickel H, Estrela-Lopis I, Burel A, Chevance S, Gauffre F, Jalili P, Meijer J, Böhmert L, Braeuning A, Thünemann AF, Emmerling F, Fessard V, Laux P, Lampen A, Luch A. Characterization of aluminum, aluminum oxide and titanium dioxide nanomaterials using a combination of methods for particle surface and size analysis. RSC Adv 2018; 8:14377-14388. [PMID: 35540747 PMCID: PMC9079890 DOI: 10.1039/c8ra00205c] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/22/2018] [Indexed: 12/22/2022] Open
Abstract
The application of appropriate analytical techniques is essential for nanomaterial (NM) characterization. In this study, we compared different analytical techniques for NM analysis. Regarding possible adverse health effects, ionic and particulate NM effects have to be taken into account. As NMs behave quite differently in physiological media, special attention was paid to techniques which are able to determine the biosolubility and complexation behavior of NMs. Representative NMs of similar size were selected: aluminum (Al0) and aluminum oxide (Al2O3), to compare the behavior of metal and metal oxides. In addition, titanium dioxide (TiO2) was investigated. Characterization techniques such as dynamic light scattering (DLS) and nanoparticle tracking analysis (NTA) were evaluated with respect to their suitability for fast characterization of nanoparticle dispersions regarding a particle's hydrodynamic diameter and size distribution. By application of inductively coupled plasma mass spectrometry in the single particle mode (SP-ICP-MS), individual nanoparticles were quantified and characterized regarding their size. SP-ICP-MS measurements were correlated with the information gained using other characterization techniques, i.e. transmission electron microscopy (TEM) and small angle X-ray scattering (SAXS). The particle surface as an important descriptor of NMs was analyzed by X-ray diffraction (XRD). NM impurities and their co-localization with biomolecules were determined by ion beam microscopy (IBM) and confocal Raman microscopy (CRM). We conclude advantages and disadvantages of the different techniques applied and suggest options for their complementation. Thus, this paper may serve as a practical guide to particle characterization techniques. The application of appropriate analytical techniques is essential for nanomaterial (NM) characterization.![]()
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34
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Laux P, Tentschert J, Riebeling C, Braeuning A, Creutzenberg O, Epp A, Fessard V, Haas KH, Haase A, Hund-Rinke K, Jakubowski N, Kearns P, Lampen A, Rauscher H, Schoonjans R, Störmer A, Thielmann A, Mühle U, Luch A. Nanomaterials: certain aspects of application, risk assessment and risk communication. Arch Toxicol 2018; 92:121-141. [PMID: 29273819 PMCID: PMC5773666 DOI: 10.1007/s00204-017-2144-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 12/13/2017] [Indexed: 12/19/2022]
Abstract
Development and market introduction of new nanomaterials trigger the need for an adequate risk assessment of such products alongside suitable risk communication measures. Current application of classical and new nanomaterials is analyzed in context of regulatory requirements and standardization for chemicals, food and consumer products. The challenges of nanomaterial characterization as the main bottleneck of risk assessment and regulation are presented. In some areas, e.g., quantification of nanomaterials within complex matrices, the establishment and adaptation of analytical techniques such as laser ablation inductively coupled plasma mass spectrometry and others are potentially suited to meet the requirements. As an example, we here provide an approach for the reliable characterization of human exposure to nanomaterials resulting from food packaging. Furthermore, results of nanomaterial toxicity and ecotoxicity testing are discussed, with concluding key criteria such as solubility and fiber rigidity as important parameters to be considered in material development and regulation. Although an analysis of the public opinion has revealed a distinguished rating depending on the particular field of application, a rather positive perception of nanotechnology could be ascertained for the German public in general. An improvement of material characterization in both toxicological testing as well as end-product control was concluded as being the main obstacle to ensure not only safe use of materials, but also wide acceptance of this and any novel technology in the general public.
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Affiliation(s)
- Peter Laux
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany.
| | - Jutta Tentschert
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Christian Riebeling
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Albert Braeuning
- Department of Food Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Otto Creutzenberg
- Department of Inhalation Toxicology, Fraunhofer-Institute for Toxicology and Experimental Medicine (ITEM), Nikolai Fuchs Strasse 1, 30625, Hannover, Germany
| | - Astrid Epp
- Department of Risk Communication, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Valérie Fessard
- Laboratoire de Fougères, French Agency for Food, Environmental and Occupational Health and Safety (ANSES), 10B Rue Claude Bourgelat, 35306, Fougères Cedex, France
| | - Karl-Heinz Haas
- Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, 97082, Würzburg, Germany
| | - Andrea Haase
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Kerstin Hund-Rinke
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf Dem Aberg 1, 57392, Schmallenberg, Germany
| | - Norbert Jakubowski
- Division 1.1 Inorganic Trace Analysis, Federal Institute for Materials Research and Testing (BAM), Richard-Willstaetter-Str. 11, 12489, Berlin, Germany
| | - Peter Kearns
- OECD Environment, Health and Safety Division 2, rue Andre-Pascal, 75775, Paris Cedex 16, France
| | - Alfonso Lampen
- Department of Food Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
| | - Hubert Rauscher
- Joint Research Centre (JRC) of the European Commission, Directorate Health, Consumers and Reference Materials, Via E. Fermi, 2749, 21027, Ispra, Italy
| | - Reinhilde Schoonjans
- Scientific Committee and Emerging Risks Unit, European Food Safety Authority (EFSA), Via Carlo Magno 1a, 43126, Parma, Italy
| | - Angela Störmer
- Fraunhofer Institute for Process Engineering and Packaging IVV, Giggenhauser Strasse 35, 85354, Freising, Germany
| | - Axel Thielmann
- Fraunhofer Institute for Systems and Innovation Research ISI, Breslauer Strasse 48, 76139, Karlsruhe, Germany
| | - Uwe Mühle
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstr. 28, 01277, Dresden, Germany
| | - Andreas Luch
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
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35
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Graham UM, Yokel RA, Dozier AK, Drummy L, Mahalingam K, Tseng MT, Birch E, Fernback J. Analytical High-resolution Electron Microscopy Reveals Organ-specific Nanoceria Bioprocessing. Toxicol Pathol 2018; 46:47-61. [PMID: 29145781 PMCID: PMC5954437 DOI: 10.1177/0192623317737254] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This is the first utilization of advanced analytical electron microscopy methods, including high-resolution transmission electron microscopy, high-angle annular dark field scanning transmission electron microscopy, electron energy loss spectroscopy, and energy-dispersive X-ray spectroscopy mapping to characterize the organ-specific bioprocessing of a relatively inert nanomaterial (nanoceria). Liver and spleen samples from rats given a single intravenous infusion of nanoceria were obtained after prolonged (90 days) in vivo exposure. These advanced analytical electron microscopy methods were applied to elucidate the organ-specific cellular and subcellular fate of nanoceria after its uptake. Nanoceria is bioprocessed differently in the spleen than in the liver.
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Affiliation(s)
- Uschi M Graham
- 1 Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky Academic Medical Center, Lexington, Kentucky, USA
- 2 National Institute of Occupational Safety and Health, Cincinnati, Ohio, USA
| | - Robert A Yokel
- 1 Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky Academic Medical Center, Lexington, Kentucky, USA
| | - Alan K Dozier
- 2 National Institute of Occupational Safety and Health, Cincinnati, Ohio, USA
| | | | | | - Michael T Tseng
- 4 Department of Anatomical Sciences and Neurobiology, College of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Eileen Birch
- 2 National Institute of Occupational Safety and Health, Cincinnati, Ohio, USA
| | - Joseph Fernback
- 2 National Institute of Occupational Safety and Health, Cincinnati, Ohio, USA
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