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Lim SH, Wong TW, Tay WX. Overcoming colloidal nanoparticle aggregation in biological milieu for cancer therapeutic delivery: Perspectives of materials and particle design. Adv Colloid Interface Sci 2024; 325:103094. [PMID: 38359673 DOI: 10.1016/j.cis.2024.103094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/15/2024] [Accepted: 01/21/2024] [Indexed: 02/17/2024]
Abstract
Nanoparticles as cancer therapeutic carrier fail in clinical translation due to complex biological environments in vivo consisting of electrolytes and proteins which render nanoparticle aggregation and unable to reach action site. This review identifies the desirable characteristics of nanoparticles and their constituent materials that prevent aggregation from site of administration (oral, lung, injection) to target site. Oral nanoparticles should ideally be 75-100 nm whereas the size of pulmonary nanoparticles minimally affects their aggregation. Nanoparticles generally should carry excess negative surface charges particularly in fasting state and exert steric hindrance through surface decoration with citrate, anionic surfactants and large polymeric chains (polyethylene glycol and polyvinylpyrrolidone) to prevent aggregation. Anionic as well as cationic nanoparticles are both predisposed to protein corona formation as a function of biological protein isoelectric points. Their nanoparticulate surface composition as such should confer hydrophilicity or steric hindrance to evade protein corona formation or its formation should translate into steric hindrance or surface negative charges to prevent further aggregation. Unexpectedly, smaller and cationic nanoparticles are less prone to aggregation at cancer cell interface favoring endocytosis whereas aggregation is essential to enable nanoparticles retention and subsequent cancer cell uptake in tumor microenvironment. Present studies are largely conducted in vitro with simplified simulated biological media. Future aggregation assessment of nanoparticles in biological fluids that mimic that of patients is imperative to address conflicting materials and designs required as a function of body sites in order to realize the future clinical benefits.
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Affiliation(s)
- Shi Huan Lim
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Republic of Singapore 117543
| | - Tin Wui Wong
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Republic of Singapore 117543; Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research institute, Universiti Teknologi MARA Selangor, Puncak Alam 42300, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, Puncak Alam 42300, Selangor, Malaysia; UM-UiTM Excipient Development Research Unit (EXDEU), Faculty of Pharmacy, Universiti Malaya, Lembah Pantai 50603, Kuala Lumpur, Malaysia.
| | - Wei Xian Tay
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Republic of Singapore 117543
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2
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Prihatiningsih MC, Pratama C, Kundari NA, Megasari K, Ariyanti D, Saputra A, Kusuma HD, Astuti P. Rifampicin adsorption and release study using Santa Barbara amorphous-16 modified Al (SBA-16-Al) for a drug delivery system. RSC Adv 2024; 14:7371-7382. [PMID: 38433940 PMCID: PMC10906368 DOI: 10.1039/d3ra08360h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 02/18/2024] [Indexed: 03/05/2024] Open
Abstract
In this study, the surface modification of Santa Barbara Amorphous-16 (SBA-16) with aluminum (SBA-16-Al) was carried out as a rifampicin matrix for the treatment of tuberculosis. Surface modification of SBA-16 was achieved using the direct-synthesis grafting method. Then, the adsorption and release properties of rifampicin from the SBA-16-Al matrix have been studied in batches. In addition, the SBA-16-Al has been characterized using Fourier-Transform Infrared Spectroscopy (FTIR), X-ray diffraction analysis (XRD), transmission electron microscopy (TEM), and Surface Area Analysis (SAA) Brunaur, Emmett and Teller (SAA-BET). The results show that the mesoporous material, the SBA-16-Al has a specific surface area of 843.5 m2 g-1 and 624.3 m2 g-1 for SBA-16, nanometer-sized pore diameters, and an amorphous crystal lattice. The FTIR spectra showed the Al-O bond at 802 cm-1 which indicates the Al group has been successfully added into SBA-16. The adsorption isotherm of rifampicin in SBA-16-Al follows the Freundlich model which illustrates the adsorption is heterogeneous and forms a multilayer. The adsorption of rifampicin is chemisorption which occurs non-spontaneously and is quite stable. The release kinetics of rifampicin in the drug delivery system followed the Higuchi model with k1 0.5472 mg 0.5/hour pH 1.5 and k2 mg 0.5/hour pH 6.5.
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Affiliation(s)
| | - Chaidir Pratama
- Research Center for Radioisotope, Radiopharmaceutical, and Biodosimetry Technology, Research Organization of Nuclear Energy, National Research and Innovation Agency (BRIN) Indonesia
| | - Noor Anis Kundari
- Polytechnic Institute of Nuclear Technology, National Research and Innovation Agency (BRIN) Yogyakarta Indonesia
| | - Kartini Megasari
- Polytechnic Institute of Nuclear Technology, National Research and Innovation Agency (BRIN) Yogyakarta Indonesia
| | - Dhita Ariyanti
- Polytechnic Institute of Nuclear Technology, National Research and Innovation Agency (BRIN) Yogyakarta Indonesia
| | - Andri Saputra
- Department of Rubber and Plastic Processing Technology, Politeknik ATK Yogyakarta Indonesia
| | - Hersandy Dayu Kusuma
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung - Sumedang KM. 21 Jatinangor Sumedang 45363 Indonesia
| | - Puji Astuti
- Polytechnic Institute of Nuclear Technology, National Research and Innovation Agency (BRIN) Yogyakarta Indonesia
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3
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Hajduk B, Jarka P, Bednarski H, Godzierz M, Tański T, Staszuk M, Nitschke P, Jarząbek B, Fijalkowski M, Mazik K. Thermal and optical properties of P3HT:PC70BM:ZnO nanoparticles composite films. Sci Rep 2024; 14:66. [PMID: 38168143 PMCID: PMC10762108 DOI: 10.1038/s41598-023-47134-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 11/09/2023] [Indexed: 01/05/2024] Open
Abstract
The results of studies on the influence of zinc oxide nanoparticles (ZnO-NPs) on the structural, thermal and optical properties of thin films of mixtures of phenyl-C71-butyric acid methyl ester (PCBM) with poly[3-hexylthiophene] (P3HT) of various molecular weights are described in this article. The structural properties of the layers of: polymers, mixtures of polymers with fullerenes and their composites with ZnO-NPs were investigated using X-ray diffraction. Whereas their glass transition temperature and optical parameters have been determined by temperature-dependent spectroscopic ellipsometry. The presence of ZnO-NPs was also visible in the images of the surface of the composite layers obtained using scanning electron microscopy. These blends and composite films have also been used as the active layer in bulk heterojunction photovoltaic structures. The molecular weight of P3HT (Mw = 65.2; 54.2 and 34.1 kDa) and the addition of nanoparticles affected the power conversion efficiency (PCE) of the obtained solar cells. The determined PCE was the highest for the device prepared from the blend of P3HT:PCBM with the polymer of the lowest molecular weight. However, solar cells with ZnO-NPs present in their active layer had lower efficiency, although the open-circuit voltage and fill factor of almost all devices had the same values whether they contained ZnO-NPs or not. It is worth noting that thermal studies carried out using temperature-dependent ellipsometry showed a significant effect of the presence of ZnO-NPs on the value of the glass transition temperature, which was higher for composite films than for films made of a polymer-fullerene blend alone.
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Affiliation(s)
- B Hajduk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska Str., 41-819, Zabrze, Poland.
| | - P Jarka
- Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., 41-100, Gliwice, Poland.
| | - H Bednarski
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska Str., 41-819, Zabrze, Poland
| | - M Godzierz
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska Str., 41-819, Zabrze, Poland
| | - T Tański
- Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., 41-100, Gliwice, Poland
| | - M Staszuk
- Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., 41-100, Gliwice, Poland
| | - P Nitschke
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska Str., 41-819, Zabrze, Poland
| | - B Jarząbek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska Str., 41-819, Zabrze, Poland
| | - M Fijalkowski
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17, Liberec, Czech Republic
| | - K Mazik
- Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., 41-100, Gliwice, Poland
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Graham UM, Dozier AK, Feola DJ, Tseng MT, Yokel RA. Macrophage Polarization Status Impacts Nanoceria Cellular Distribution but Not Its Biotransformation or Ferritin Effects. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2298. [PMID: 37630884 PMCID: PMC10459093 DOI: 10.3390/nano13162298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/30/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023]
Abstract
The innate immune system is the first line of defense against external threats through the initiation and regulation of inflammation. Macrophage differentiation into functional phenotypes influences the fate of nanomaterials taken up by these immune cells. High-resolution electron microscopy was used to investigate the uptake, distribution, and biotransformation of nanoceria in human and murine M1 and M2 macrophages in unprecedented detail. We found that M1 and M2 macrophages internalize nanoceria differently. M1-type macrophages predominantly sequester nanoceria near the plasma membrane, whereas nanoceria are more uniformly distributed throughout M2 macrophage cytoplasm. In contrast, both macrophage phenotypes show identical nanoceria biotransformation to cerium phosphate nanoneedles and simultaneous nanoceria with ferritin co-precipitation within the cells. Ferritin biomineralization is a direct response to nanoparticle uptake inside both macrophage phenotypes. We also found that the same ferritin biomineralization mechanism occurs after the uptake of Ce-ions into polarized macrophages and into unpolarized human monocytes and murine RAW 264.7 cells. These findings emphasize the need for evaluating ferritin biomineralization in studies that involve the internalization of nano objects, ranging from particles to viruses to biomolecules, to gain greater mechanistic insights into the overall immune responses to nano objects.
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Affiliation(s)
- Uschi M. Graham
- Pharmaceutical Sciences Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
| | - Alan K. Dozier
- National Institute of Occupational Safety and Health (NIOSH), Cincinnati, OH 45213-2515, USA;
| | - David J. Feola
- Pharmacy Practice and Science Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
| | - Michael T. Tseng
- Anatomical Sciences and Neurobiology, University of Louisville, Louisville, KY 40202, USA
| | - Robert A. Yokel
- Pharmaceutical Sciences Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
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5
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Wohlleben W, Mehling A, Landsiedel R. Lessons Learned from the Grouping of Chemicals to Assess Risks to Human Health. Angew Chem Int Ed Engl 2023; 62:e202210651. [PMID: 36254879 DOI: 10.1002/anie.202210651] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
In analogy to the periodic system that groups elements by their similarity in structure and chemical properties, the hazard of chemicals can be assessed in groups having similar structures and similar toxicological properties. Here we review case studies of chemical grouping strategies that supported the assessment of hazard, exposure, and risk to human health. By the EU-REACH and the US-TSCA New Chemicals Program, structural similarity is commonly used as the basis for grouping, but that criterion is not always adequate and sufficient. Based on the lessons learned, we derive ten principles for grouping, including: transparency of the purpose, criteria, and boundaries of the group; adequacy of methods used to justify the group; and inclusion or exclusion of substances in the group by toxicological properties. These principles apply to initial grouping to prioritize further actions as well as to definitive grouping to generate data for risk assessment. Both can expedite effective risk management.
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Affiliation(s)
- Wendel Wohlleben
- Department of Analytical and Material Science, BASF SE, 67056, Ludwigshafen am Rhein, Germany
- Department of Experimental Toxicology and Ecology, BASF SE, 67056, Ludwigshafen am Rhein, Germany
| | - Annette Mehling
- Dept. of Advanced Formulation and Performance Technology, BASF Personal Care and Nutrition GmbH, 40589, Duesseldorf, Germany
| | - Robert Landsiedel
- Department of Experimental Toxicology and Ecology, BASF SE, 67056, Ludwigshafen am Rhein, Germany
- Free University of Berlin, Biology, Chemistry and Pharmacy-Pharmacology and Toxicology, 14195, Berlin, Germany
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6
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Surface chemistry of graphene tailoring the activity of digestive enzymes by modulating interfacial molecular interactions. J Colloid Interface Sci 2023; 630:179-192. [DOI: 10.1016/j.jcis.2022.10.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/26/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
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7
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Wang Y, Li M, Wang S, Ma J, Liu Y, Guo H, Gao J, Yao L, He B, Hu L, Qu G, Jiang G. Deciphering the Effects of 2D Black Phosphorus on Disrupted Hematopoiesis and Pulmonary Immune Homeostasis Using a Developed Flow Cytometry Method. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:15869-15881. [PMID: 36227752 PMCID: PMC9671123 DOI: 10.1021/acs.est.2c03675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 05/28/2023]
Abstract
As an emerging two-dimensional nanomaterial with promising prospects, mono- or few-layer black phosphorus (BP) is potentially toxic to humans. We investigated the effects of two types of BPs on adult male mice through intratracheal instillation. Using the flow cytometry method, the generation, migration, and recruitment of immune cells in different organs have been characterized on days 1, 7, 14, and 21 post-exposure. Compared with small BP (S-BP, lateral size at ∼188 nm), large BP (L-BP, lateral size at ∼326 nm) induced a stronger stress lymphopoiesis and B cell infiltration into the alveolar sac. More importantly, L-BP dramatically increased peripheral neutrophil (NE) counts up to 1.9-fold on day 21 post-exposure. Decreased expression of the CXCR4 on NEs, an important regulator of NE retention in the bone marrow, explained the increased NE release into the circulation induced by L-BP. Therefore, BP triggers systemic inflammation via the disruption of both the generation and migration of inflammatory immune cells.
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Affiliation(s)
- Yuanyuan Wang
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Li
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- Research
Center for Analytical Sciences, Department of Chemistry, College of
Sciences, Northeastern University, Shenyang 110819, China
| | - Shunhao Wang
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Junjie Ma
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- Research
Center for Analytical Sciences, Department of Chemistry, College of
Sciences, Northeastern University, Shenyang 110819, China
| | - Yaquan Liu
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Hao Guo
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Gao
- School
of Environmental, Hangzhou Institute for
Advanced Study, UCAS, Hangzhou 310000, China
| | - Linlin Yao
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
| | - Bin He
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- School
of Environmental, Hangzhou Institute for
Advanced Study, UCAS, Hangzhou 310000, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Ligang Hu
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- School
of Environmental, Hangzhou Institute for
Advanced Study, UCAS, Hangzhou 310000, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
- Institute
of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Guangbo Qu
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- School
of Environmental, Hangzhou Institute for
Advanced Study, UCAS, Hangzhou 310000, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
- Institute
of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Guibin Jiang
- State
Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese
Academy of Sciences, Beijing 100085, China
- School
of Environmental, Hangzhou Institute for
Advanced Study, UCAS, Hangzhou 310000, China
- College
of Resources and Environment, University
of Chinese Academy of Sciences, Beijing 100049, China
- Institute
of Environment and Health, Jianghan University, Wuhan 430056, China
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8
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Development of a novel ethylene scavenger made up of pumice and potassium permanganate and its effect on preservation quality of avocados. J FOOD ENG 2022. [DOI: 10.1016/j.jfoodeng.2022.111101] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Prismatic Silver Nanoparticles Decorated on Graphene Oxide Sheets for Superior Antibacterial Activity. Pharmaceutics 2022; 14:pharmaceutics14050924. [PMID: 35631509 PMCID: PMC9147939 DOI: 10.3390/pharmaceutics14050924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/14/2022] [Accepted: 04/20/2022] [Indexed: 12/10/2022] Open
Abstract
Spherical silver nanoparticles (Ag NPs) and silver nanoprisms (Ag NPrsms) were synthesized and decorated on graphene oxide (GO) nanosheets. The Ag contents were 29% and 23% in the GO−Ag NPs and GO−Ag NPrsms, respectively. The Ag NPrsms exhibited stronger (111) crystal signal than Ag NPs. The GO−Ag NPrsms exhibited higher Ag (I) content (75.6%) than GO-Ag NPs (69.9%). Increasing the nanomaterial concentration from 25 to 100 µg mL−1 improved the bactericidal efficiency, and the antibacterial potency was in the order: GO−Ag NPrsms > GO−Ag NPs > Ag NPrsms > Ag NPs > GO. Gram-positive Staphylococcus aureus (S. aureus) was more vulnerable than Gram-negative Escherichia coli (E. coli) upon exposure to these nanomaterials. The GO−Ag NPrsms demonstrated a complete (100%) bactericidal effect against S. aureus at a concentration of 100 µg mL−1. The GO−Ag composites outperformed those of Ag or GO due to the synergistic effect of bacteriostatic Ag particles and GO affinity toward bacteria. The levels of reactive oxygen species produced in the bacteria−nanomaterial mixtures were highly correlated to the antibacterial efficacy values. The GO−Ag NPrsms are promising as bactericidal agents to suppress biofilm formation and inhibit bacterial infection.
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Zhang S, Tan X, Zhou Y, Liu J, Liang X, Ding X, Lyu G, Wei Y, Chen J, Mao Y, Wu J, Huang Y, Huang Y, Tan X, Huang Z. Critical size effect for the surface heat capacities of nano-CdS: theoretical and experimental studies. Phys Chem Chem Phys 2022; 24:6193-6207. [PMID: 35229089 DOI: 10.1039/d1cp04619e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The unique physical and chemical properties of nanomaterials are closely related to their surface thermodynamic functions, which mainly depend on their sizes. In this study, the thermodynamic properties of nano-cadmium sulphide (nano-CdS) were investigated by solubility technology. The nano-CdS powders with different particle sizes were prepared via a traditional solvothermal method, and the electrical conductivities of nano-CdS aqueous solutions at different temperatures were measured. The standard dissolution equilibrium constants of nano-CdS at different temperatures were calculated using the theory of dissolution thermodynamics. The standard molar dissolution thermodynamic functions, the molar surface thermodynamic functions and the specific surface thermodynamic functions of nano-CdS with different particle sizes were calculated by combining the thermodynamic functions of bulk-CdS, the principle of the thermodynamic cycle and the principle of electrochemical equilibrium. The experimental results show that the critical size values for the molar surface heat capacity and the specific surface heat capacity for approximately spherical nanoparticles are 9.3 nm and 8.7 nm, respectively. Within an acceptable range of error, the thermodynamic functions have linear and curved relationships with particle sizes and temperatures. Based on these results, it is disclosed that the critical size effect on surface heat capacities of nano-CdS is valuable to understand the energy storage processes of nanomaterials.
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Affiliation(s)
- Shengjiang Zhang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Xiuniang Tan
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Yan Zhou
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Jinyang Liu
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Xiangyao Liang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Xuehuan Ding
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Guangmiao Lyu
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Ying Wei
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Junxin Chen
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Yidan Mao
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Jinmei Wu
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Yushan Huang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Yusen Huang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China.
| | - Xuecai Tan
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China. .,Key Laboratory of Food Safety and Pharmaceutical Analytical Chemistry, Key Laboratory of Forest Chemistry and Engineering, Nanning 530008, China.,Key Laboratory of Forest Chemistry and Engineering, Guangxi University for Nationalities, Nanning 530008, P. R. China
| | - Zaiyin Huang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Colleges and Universities, Nanning 530008, China. .,Key Laboratory of Food Safety and Pharmaceutical Analytical Chemistry, Key Laboratory of Forest Chemistry and Engineering, Nanning 530008, China.,Key Laboratory of Forest Chemistry and Engineering, Guangxi University for Nationalities, Nanning 530008, P. R. China
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11
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Pratibha, Kaur Rajput J. Nanoaggregation-induced emission enhanced characteristics of novel anthracene-appended pyrimidinone/thione derivatives in H2O-DMF medium. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Liu Q, Guan J, Song R, Zhang X, Mao S. Physicochemical properties of nanoparticles affecting their fate and the physiological function of pulmonary surfactants. Acta Biomater 2022; 140:76-87. [PMID: 34843949 DOI: 10.1016/j.actbio.2021.11.034] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 11/10/2021] [Accepted: 11/23/2021] [Indexed: 12/22/2022]
Abstract
Pulmonary drug delivery has drawn great attention due to its targeted local lung action, reduced side effects, and ease of administration. However, inhaled nanoparticles (NPs) could adsorb different pulmonary surfactants depending on their physicochemical properties, which may impair the physiological function of the pulmonary surfactants or alter the fate of the NPs. Thus, the objective of this review is to summarize how the physicochemical properties of NPs affecting the physiological function of pulmonary surfactants and their fate. First of all, the composition and characteristics of pulmonary surfactants, methods for studying pulmonary surfactant interaction with NPs are introduced. Thereafter, the influence of physicochemical properties of NPs on hydrophobic protein adsorption and strategies to decrease the interaction of NPs with pulmonary surfactants are discussed. Finally, the influence of physicochemical properties of NPs on lipids and hydrophilic protein adsorption and consequently their fate is described. In conclusion, a better understanding of the interaction of NPs with pulmonary surfactants will promote the faster development of safe and effective nanomedicine for pulmonary drug delivery. STATEMENT OF SIGNIFICANCE: Drug delivery carriers often face complex body fluid components after entering the human body. Pulmonary surfactants diffuse at the lung gas-liquid interface, and particles inevitably interact with pulmonary surfactants after pulmonary nanomedicine delivery. This review presents an overview of how the physicochemical properties of nanoparticles affecting their fate and physiological function of pulmonary surfactants. We believe that the information included in this review can provide important guiding for the development of safe and effective pulmonary delivery nanocarriers.
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13
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Ravera F, Miller R, Zuo YY, Noskov BA, Bykov AG, Kovalchuk VI, Loglio G, Javadi A, Liggieri L. Methods and models to investigate the physicochemical functionality of pulmonary surfactant. Curr Opin Colloid Interface Sci 2021. [DOI: 10.1016/j.cocis.2021.101467] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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14
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Wang Z, Wang H, Wang X, Chen X, Yu Y, Dai W, Fu X. Thermo-driven photocatalytic CO reduction and H2 oxidation over ZnO via regulation of reactant gas adsorption electron transfer behavior. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63760-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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15
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Vianello F, Cecconello A, Magro M. Toward the Specificity of Bare Nanomaterial Surfaces for Protein Corona Formation. Int J Mol Sci 2021; 22:7625. [PMID: 34299242 PMCID: PMC8305441 DOI: 10.3390/ijms22147625] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/08/2021] [Accepted: 07/15/2021] [Indexed: 12/16/2022] Open
Abstract
Aiming at creating smart nanomaterials for biomedical applications, nanotechnology aspires to develop a new generation of nanomaterials with the ability to recognize different biological components in a complex environment. It is common opinion that nanomaterials must be coated with organic or inorganic layers as a mandatory prerequisite for applications in biological systems. Thus, it is the nanomaterial surface coating that predominantly controls the nanomaterial fate in the biological environment. In the last decades, interdisciplinary studies involving not only life sciences, but all branches of scientific research, provided hints for obtaining uncoated inorganic materials able to interact with biological systems with high complexity and selectivity. Herein, the fragmentary literature on the interactions between bare abiotic materials and biological components is reviewed. Moreover, the most relevant examples of selective binding and the conceptualization of the general principles behind recognition mechanisms were provided. Nanoparticle features, such as crystalline facets, density and distribution of surface chemical groups, and surface roughness and topography were encompassed for deepening the comprehension of the general concept of recognition patterns.
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Affiliation(s)
| | | | - Massimiliano Magro
- Department of Comparative Biomedicine and Food Science, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy; (F.V.); (A.C.)
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16
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Bertel L, Ospina R, García‐Castro AC, Quintero‐Orozco JH, Miranda DA. Synthesis of CdM (M = Se, O) micro and nanoparticles by pulsed laser ablation in water. SURF INTERFACE ANAL 2021. [DOI: 10.1002/sia.6942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Linda Bertel
- Universidad Industrial de Santander Bucaramanga Colombia
- Centro de Investigación Científica y Técnológica en Materiales y Nanociencias (CMN) Ciencia de Materiales Biológicos y Semiconductores Research Group (CIMBIOS) Piedecuesta Colombia
| | - Rogelio Ospina
- Universidad Industrial de Santander Bucaramanga Colombia
- Centro de Investigación Científica y Técnológica en Materiales y Nanociencias (CMN) Ciencia de Materiales Biológicos y Semiconductores Research Group (CIMBIOS) Piedecuesta Colombia
| | - Andres C. García‐Castro
- Universidad Industrial de Santander Bucaramanga Colombia
- Centro de Investigación Científica y Técnológica en Materiales y Nanociencias (CMN) Ciencia de Materiales Biológicos y Semiconductores Research Group (CIMBIOS) Piedecuesta Colombia
| | - Jorge H. Quintero‐Orozco
- Universidad Industrial de Santander Bucaramanga Colombia
- Centro de Investigación Científica y Técnológica en Materiales y Nanociencias (CMN) Ciencia de Materiales Biológicos y Semiconductores Research Group (CIMBIOS) Piedecuesta Colombia
| | - David A. Miranda
- Universidad Industrial de Santander Bucaramanga Colombia
- Centro de Investigación Científica y Técnológica en Materiales y Nanociencias (CMN) Ciencia de Materiales Biológicos y Semiconductores Research Group (CIMBIOS) Piedecuesta Colombia
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Bartkowiak A, Korolevych O, Chiarello GL, Makowska-Janusik M, Zalas M. How Can the Introduction of Zr 4+ Ions into TiO 2 Nanomaterial Impact the DSSC Photoconversion Efficiency? A Comprehensive Theoretical and Experimental Consideration. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2955. [PMID: 34070846 PMCID: PMC8198604 DOI: 10.3390/ma14112955] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/19/2021] [Accepted: 05/25/2021] [Indexed: 12/30/2022]
Abstract
A series of pure and doped TiO2 nanomaterials with different Zr4+ ions content have been synthesized by the simple sol-gel method. Both types of materials (nanopowders and nanofilms scratched off of the working electrode's surface) have been characterized in detail by XRD, TEM, and Raman techniques. Inserting dopant ions into the TiO2 structure has resulted in inhibition of crystal growth and prevention of phase transformation. The role of Zr4+ ions in this process was explained by performing computer simulations. The three structures such as pure anatase, Zr-doped TiO2, and tetragonal ZrO2 have been investigated using density functional theory extended by Hubbard correction. The computational calculations correlate well with experimental results. Formation of defects and broadening of energy bandgap in defected Zr-doped materials have been confirmed. It turned out that the oxygen vacancies with substituting Zr4+ ions in TiO2 structure have a positive influence on the performance of dye-sensitized solar cells. The overall photoconversion efficiency enhancement up to 8.63% by introducing 3.7% Zr4+ ions into the TiO2 has been confirmed by I-V curves, EIS, and IPCE measurements. Such efficiency of DSSC utilizing the working electrode made by Zr4+ ions substituted into TiO2 material lattice has been for the first time reported.
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Affiliation(s)
- Aleksandra Bartkowiak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
- Department of Chemistry, University of Milan, Via Golgi 19, 20133 Milano, Italy;
| | - Oleksandr Korolevych
- Faculty of Science and Technology, Jan Dlugosz University, Al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland; (O.K.); (M.M.-J.)
| | - Gian Luca Chiarello
- Department of Chemistry, University of Milan, Via Golgi 19, 20133 Milano, Italy;
| | - Malgorzata Makowska-Janusik
- Faculty of Science and Technology, Jan Dlugosz University, Al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland; (O.K.); (M.M.-J.)
| | - Maciej Zalas
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
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18
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Jadhav AJ, Barigou M. On the clustering of bulk nanobubbles and their colloidal stability. J Colloid Interface Sci 2021; 601:816-824. [PMID: 34107317 DOI: 10.1016/j.jcis.2021.05.154] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/16/2022]
Abstract
Bulk nanobubbles which are usually observed in pure water have a mean diameter typically around 100 nm. We use a combination of physical and chemical techniques to prove the hypothesis that the nanoentities observed in pure water are stable clusters of much smaller stable nanobubbles. The stability of bulk nanobubble clusters is affected by factors such as ionic strength or internal energy of the system. We show that bulk nanobubbles on the order of 100 nm exist in a stable cluster form in neutral or basic media, and dissociate into tiny primary nanobubbles on the order of 1 nm in acidic media, or in the presence of small amounts of salt. These new findings suggest that bulk nanobubbles which have a high surface energy unsurprisingly tend to behave in a similar manner to solid nanoparticles in terms of their agglomeration tendency, which is confirmed by the DLVO theory. The results will have important implications for our understanding and interpretation of the behaviour of bulk nanobubbles, in particular their interfacial and colloidal stability.
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Affiliation(s)
- Ananda J Jadhav
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Mostafa Barigou
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
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19
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Bélteky P, Rónavári A, Zakupszky D, Boka E, Igaz N, Szerencsés B, Pfeiffer I, Vágvölgyi C, Kiricsi M, Kónya Z. Are Smaller Nanoparticles Always Better? Understanding the Biological Effect of Size-Dependent Silver Nanoparticle Aggregation Under Biorelevant Conditions. Int J Nanomedicine 2021; 16:3021-3040. [PMID: 33935497 PMCID: PMC8080118 DOI: 10.2147/ijn.s304138] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/19/2021] [Indexed: 12/12/2022] Open
Abstract
Purpose Silver nanoparticles (AgNPs) are one of the most commonly investigated nanomaterials, especially due to their biomedical applications. However, their excellent cytotoxic and antimicrobial activity is often compromised in biological media due to nanoparticle aggregation. In this work, the aggregation behavior and the related biological activity of three different samples of citrate capped silver nanoparticles, with mean diameters of 10, 20, and 50 nm, respectively, were examined. Methods Following nanoparticle synthesis and characterization with transmission electron microscopy, their aggregation behavior under various pH values, NaCl, glucose, and glutamine concentrations, furthermore in cell culture medium components such as Dulbecco’s Modified Eagle’s Medium and fetal bovine serum, was assessed through dynamic light scattering and ultraviolet-visible spectroscopy. Results The results indicated that acidic pH and physiological electrolyte content universally induce micron-scale aggregation, which can be mediated by biomolecular corona formation. Remarkably, larger particles demonstrated higher resistance against external influences than smaller counterparts. In vitro cytotoxicity and antimicrobial assays were performed by treating cells with nanoparticulate aggregates in differing stages of aggregation. Conclusion Our results revealed a profound association between colloidal stability and toxicity of AgNPs, as extreme aggregation led to the complete loss of biological activity. The higher degree of aggregation resistance observed for larger particles had a significant impact on the in vitro toxicity, since such samples retained more of their activity against microbes and mammalian cells. These findings lead to the conclusion that aiming for the smallest possible nanoparticles might not be the best course of action, despite the general standpoint of the relevant literature.
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Affiliation(s)
- Péter Bélteky
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Andrea Rónavári
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Dalma Zakupszky
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Eszter Boka
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Nóra Igaz
- Department of Biochemistry and Molecular Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Bettina Szerencsés
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Ilona Pfeiffer
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Csaba Vágvölgyi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Mónika Kiricsi
- Department of Biochemistry and Molecular Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Zoltán Kónya
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary.,MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, Szeged, Hungary
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20
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Toprani SM, Bitounis D, Qiansheng H, Oliveira N, Ng KW, Tay CY, Nagel ZD, Demokritou P. High-Throughput Screening Platform for Nanoparticle-Mediated Alterations of DNA Repair Capacity. ACS NANO 2021; 15:4728-4746. [PMID: 33710878 PMCID: PMC8111687 DOI: 10.1021/acsnano.0c09254] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The potential genotoxic effects of engineered nanomaterials (ENMs) may occur through the induction of DNA damage or the disruption of DNA repair processes. Inefficient DNA repair may lead to the accumulation of DNA lesions and has been linked to various diseases, including cancer. Most studies so far have focused on understanding the nanogenotoxicity of ENM-induced damages to DNA, whereas the effects on DNA repair have been widely overlooked. The recently developed fluorescence multiplex-host-cell reactivation (FM-HCR) assay allows for the direct quantification of multiple DNA repair pathways in living cells and offers a great opportunity to address this methodological gap. Herein an FM-HCR-based method is developed to screen the impact of ENMs on six major DNA repair pathways using suspended or adherent cells. The sensitivity and efficiency of this DNA repair screening method were demonstrated in case studies using primary human small airway epithelial cells and TK6 cells exposed to various model ENMs (CuO, ZnO, and Ga2O3) at subcytotoxic doses. It was shown that ENMs may inhibit nucleotide-excision repair, base-excision repair, and the repair of oxidative damage by DNA glycosylases in TK6 cells, even in the absence of significant genomic DNA damage. It is of note that the DNA repair capacity was increased by some ENMs, whereas it was suppressed by others. Overall, this method can be part of a multitier, in vitro hazard assessment of ENMs as a functional, high-throughput platform that provides insights into the interplay of the properties of ENMs, the DNA repair efficiency, and the genomic stability.
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Affiliation(s)
- Sneh M Toprani
- John B Little Center of Radiation Sciences, Department of Environmental Health, Harvard T H Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Dimitrios Bitounis
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave Boston, MA 02115, USA
| | - Huang Qiansheng
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave Boston, MA 02115, USA
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Nathalia Oliveira
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave Boston, MA 02115, USA
| | - Kee Woei Ng
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave Boston, MA 02115, USA
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- Environmental Chemistry and Materials Centre, Nanyang Environment and Water Research Institution, 1 Cleantech Loop, CleanTech One, Singapore 637141, Singapore
| | - Chor Yong Tay
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- School of Biological Sciences, Nanyang Technological University, 637551, Singapore
| | - Zachary D Nagel
- John B Little Center of Radiation Sciences, Department of Environmental Health, Harvard T H Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave Boston, MA 02115, USA
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21
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Konduru NV, Velasco-Alzate K, Adduri S, Zagorovsky K, Diaz-Diestra D, Fisol F, Sanches M, Ndetan H, Brain JD, Molina RM. Pulmonary fate and consequences of transferrin-functionalized gold nanoparticles. Nanotheranostics 2021; 5:309-320. [PMID: 33732602 PMCID: PMC7961126 DOI: 10.7150/ntno.47734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 01/23/2021] [Indexed: 12/04/2022] Open
Abstract
Surface functionalization of nanoparticles (NPs) may alter their biological interactions such as uptake by alveolar macrophages (AMs). Pulmonary delivery of gold NPs (Au NPs) has theranostic potential due to their optoelectronic properties, minimal alveoli to blood translocation, and possibility of specific cell targeting. Here, we examined whether coating Au NPs with transferrin alters their protein corona, uptake by macrophages, and pulmonary translocation. Methods: Rats were intratracheally instilled with transferrin-coated Au NPs (Tf-Au NPs) or polyethylene glycol-coated Au NPs (PEG-Au NPs). AMs were collected and processed for quantitation of Au cell uptake using ICP-MS and electron microscopy. Au retention in the lungs and other organs was also determined. The uptake of fluorescently labeled Tf-Au NPs and PEG-Au NPs by monocyte-derived human macrophages was also evaluated in vitro. Results: We showed that Tf-Au NPs were endocytosed by AMs and were retained in the lungs to a greater extent than PEG-Au NPs. Both Au NPs acquired similar protein coronas after incubation in rat broncho-alveolar lavage fluid (BALf). The translocation of Au from both NPs to other organs was less than 0.5% of the instilled dose. Transferrin coating enhanced the uptake of Au NPs by primary monocyte-derived human macrophages. Conclusions: We report that coating of NP surface with transferrin can target them to rat AMs and human monocyte-derived macrophages. NP functionalization with transferrin may enhance NP-based therapeutic strategies for lung diseases.
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Affiliation(s)
- Nagarjun Venkata Konduru
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Karen Velasco-Alzate
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Sitaramaraju Adduri
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Kyryl Zagorovsky
- Luna Nanotech Inc., 439 University Avenue, 5th Floor, Toronto, ON, Canada M5G 1Y8
| | - Daysi Diaz-Diestra
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Faisalina Fisol
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Marcelo Sanches
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Harrison Ndetan
- Department of Biostatistics, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Joseph David Brain
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Ramon Morales Molina
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
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22
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Kurepa J, Smalle JA. Composition of the metabolomic bio-coronas isolated from Ocimum sanctum and Rubia tinctorum. BMC Res Notes 2021; 14:6. [PMID: 33407859 PMCID: PMC7789504 DOI: 10.1186/s13104-020-05420-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/11/2020] [Indexed: 02/06/2023] Open
Abstract
Objective Nanoharvesting from intact plants, organs, and cultured cells is a method in which nanoparticles are co-incubated with the target tissue, which leads to the internalization of nanoparticles. Internalized nanoparticles are coated in situ with specific metabolites that form a dynamic surface layer called a bio-corona. Our previous study showed that metabolites that form the bio-corona around anatase TiO2 nanoparticles incubated with leaves of the model plant Arabidopsis thaliana are enriched for flavonoids and lipids. The present study focused on the identification of metabolites isolated by nanoharvesting from two medicinal plants, Ocimum sanctum (Tulsi) and Rubia tinctorum (common madder). Results To identify metabolites that form the bio-corona, Tulsi leaves and madder roots were incubated with ultra-small anatase TiO2 nanoparticles, the coated nanoparticles were collected, and the adsorbed molecules were released from the nanoparticle surface and analyzed using an untargeted metabolomics approach. Similar to the results in which Arabidopsis tissue was used as a source of metabolites, TiO2 nanoparticle bio-coronas from Tulsi and madder were enriched for flavonoids and lipids, suggesting that nanoharvesting has a wide-range application potential. The third group of metabolites enriched in bio-coronas isolated from both plants were small peptides with C-terminal arginine and lysine residues.
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Affiliation(s)
- Jasmina Kurepa
- Plant Physiology, Biochemistry, Molecular Biology Program, Department of Plant and Soil Sciences, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY, 40546, USA
| | - Jan A Smalle
- Plant Physiology, Biochemistry, Molecular Biology Program, Department of Plant and Soil Sciences, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY, 40546, USA.
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23
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Recent advances in chemical surface modification of metal oxide nanoparticles with silane coupling agents: A review. Adv Colloid Interface Sci 2020; 286:102298. [PMID: 33171357 DOI: 10.1016/j.cis.2020.102298] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 01/22/2023]
Abstract
Nowadays, metal oxide nanoparticles (NPs) have been applied in various fields of nanotechnology including catalysis of chemical reactions, drug delivery, water treatment, textile industries, polymer composites, adhesives, and coatings. The greatest challenge in relation to metal oxide NPs is high tendency to aggregation. Chemical surface modification of metal oxide NPs has gained widely interest to control of dispersion and aggregation of NPs. Silane modifiers are one of the most important bifunctional modifiers that are frequently used for surface treatment of metal oxide NPs. In this review paper, we first focus on the synthesis, surface thermodynamic properties, surface modification techniques, and kinetic of silanization reaction of metal oxide NPs. Then, the recent development in using silane modifiers for treatment of metal oxide NPs in various applications were investigated. It was found that the unmodified NPs have high surface energy and are thermodynamically unstable. The thermodynamic properties of NPs including Gms, Hms, and Smsincrease with decreasing the particle size. Aggregation phenomena is the simple way to reduce the excess surface energy of NPs that leads to an increase in particle size. Therefore, the chemical surface modification of NPs using silane modifiers can be used as an effective method for the prevention of NPs agglomeration and improvement of NPs stability.
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24
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Kari OK, Tavakoli S, Parkkila P, Baan S, Savolainen R, Ruoslahti T, Johansson NG, Ndika J, Alenius H, Viitala T, Urtti A, Lajunen T. Light-Activated Liposomes Coated with Hyaluronic Acid as a Potential Drug Delivery System. Pharmaceutics 2020; 12:E763. [PMID: 32806740 PMCID: PMC7465487 DOI: 10.3390/pharmaceutics12080763] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/05/2020] [Accepted: 08/09/2020] [Indexed: 01/22/2023] Open
Abstract
Light-activated liposomes permit site and time-specific drug delivery to ocular and systemic targets. We combined a light activation technology based on indocyanine green with a hyaluronic acid (HA) coating by synthesizing HA-lipid conjugates. HA is an endogenous vitreal polysaccharide and a potential targeting moiety to cluster of differentiation 44 (CD44)-expressing cells. Light-activated drug release from 100 nm HA-coated liposomes was functional in buffer, plasma, and vitreous samples. The HA-coating improved stability in plasma compared to polyethylene glycol (PEG)-coated liposomes. Liposomal protein coronas on HA- and PEG-coated liposomes after dynamic exposure to undiluted human plasma and porcine vitreous samples were hydrophilic and negatively charged, thicker in plasma (~5 nm hard, ~10 nm soft coronas) than in vitreous (~2 nm hard, ~3 nm soft coronas) samples. Their compositions were dependent on liposome formulation and surface charge in plasma but not in vitreous samples. Compared to the PEG coating, the HA-coated liposomes bound more proteins in vitreous samples and enriched proteins related to collagen interactions, possibly explaining their slightly reduced vitreal mobility. The properties of the most abundant proteins did not correlate with liposome size or charge, but included proteins with surfactant and immune system functions in plasma and vitreous samples. The HA-coated light-activated liposomes are a functional and promising alternative for intravenous and ocular drug delivery.
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Affiliation(s)
- Otto K. Kari
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
| | - Shirin Tavakoli
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
| | - Petteri Parkkila
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
| | - Simone Baan
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
- Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80.082, 3508 TB Utrecht, The Netherlands
| | - Roosa Savolainen
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
| | - Teemu Ruoslahti
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
| | - Niklas G. Johansson
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland;
| | - Joseph Ndika
- Human Microbiome Research, Faculty of Medicine, University of Helsinki, Haartmaninkatu 3, FI-00290 Helsinki, Finland; (J.N.); (H.A.)
| | - Harri Alenius
- Human Microbiome Research, Faculty of Medicine, University of Helsinki, Haartmaninkatu 3, FI-00290 Helsinki, Finland; (J.N.); (H.A.)
- Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Tapani Viitala
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland;
| | - Arto Urtti
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Yliopistonranta 1, 70210 Kuopio, Finland
- Institute of Chemistry, St. Petersburg State University, Petergof, Universitetskii pr. 26, 198504 St. Petersburg, Russia
| | - Tatu Lajunen
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI-00790 Helsinki, Finland; (O.K.K.); (S.T.); (P.P.); (S.B.); (R.S.); (T.R.); (T.V.); (A.U.)
- Laboratory of Pharmaceutical Technology, Department of Pharmaceutical Science, Tokyo University of Pharmacy & Life Sciences, 1432-1 Hachioji, Tokyo 192-0392, Japan
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25
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Ambrósio JAR, Pinto BCDS, da Silva BGM, Passos JCDS, Beltrame Junior M, Costa MS, Simioni AR. BSA nanoparticles loaded-methylene blue for photodynamic antimicrobial chemotherapy (PACT): effect on both growth and biofilm formation by Candida albicans. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:2182-2198. [DOI: 10.1080/09205063.2020.1795461] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
| | | | | | | | - Milton Beltrame Junior
- Instituto de Pesquisa e Desenvolvimento – IP&D, Universidade do Vale do Paraíba – UNIVAP, São José dos Campos, Brazil
| | - Maricilia Silva Costa
- Instituto de Pesquisa e Desenvolvimento – IP&D, Universidade do Vale do Paraíba – UNIVAP, São José dos Campos, Brazil
| | - Andreza Ribeiro Simioni
- Instituto de Pesquisa e Desenvolvimento – IP&D, Universidade do Vale do Paraíba – UNIVAP, São José dos Campos, Brazil
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26
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Klimkevicius V, Janulevicius M, Babiceva A, Drabavicius A, Katelnikovas A. Effect of Cationic Brush-Type Copolymers on the Colloidal Stability of GdPO 4 Particles with Different Morphologies in Biological Aqueous Media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:7533-7544. [PMID: 32493012 PMCID: PMC7467769 DOI: 10.1021/acs.langmuir.0c01130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 06/03/2020] [Indexed: 06/11/2023]
Abstract
In this study, we present the synthesis of cationic brush-type polyelectrolytes and their use in the stabilization of GdPO4 particles in aqueous media. Polymers of various compositions were synthesized via the RAFT polymerization route. SEC equipped with triple detection (RI, DP, RALS, and LALS) was used to determine the molecular parameters (Mn, Mw, Mw/Mn). The exact composition of synthesized polymers was determined using NMR spectroscopy. Cationic brush-type polymers were used to improve the stability of aqueous GdPO4 particle dispersions. First, the IEPs of GdPO4 particles with different morphologies (nanorods, hexagonal nanoprisms, and submicrospheres) were determined by measuring the zeta potential of bare particle dispersions at various pH values. Afterward, cationic brush-type polyelectrolytes with different compositions were used for the surface modification of GdPO4 particles (negatively charged in alkaline media under a pH value of ∼10.6). The concentration and composition effects of used polymers on the change in particle surface potential and stability (DLS measurements) in dispersions were investigated and presented in this work. The most remarkable result of this study is redispersible GdPO4 nanoparticle colloids with increased biocompatibility and stability as well as new insights into possible cationic brush-type polyelectrolyte applicability in both scientific and commercial fields.
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Affiliation(s)
- Vaidas Klimkevicius
- Institute
of Chemistry, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania
| | - Matas Janulevicius
- Institute
of Chemistry, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania
| | - Aleksandra Babiceva
- Institute
of Chemistry, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania
| | - Audrius Drabavicius
- Centre
of Physical Science and Technology, Sauletekis av. 3, LT-10257 Vilnius, Lithuania
| | - Arturas Katelnikovas
- Institute
of Chemistry, Vilnius University, Naugarduko str. 24, LT-03225 Vilnius, Lithuania
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27
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Lin J, Jiang Y, Luo Y, Guo H, Huang C, Peng J, Cao Y. Multi-walled carbon nanotubes (MWCNTs) transformed THP-1 macrophages into foam cells: Impact of pulmonary surfactant component dipalmitoylphosphatidylcholine. JOURNAL OF HAZARDOUS MATERIALS 2020; 392:122286. [PMID: 32086094 DOI: 10.1016/j.jhazmat.2020.122286] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/22/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
Pulmonary surfactant or its components can function as barriers toward nanomaterials (NMs) entering pulmonary systems. However, since pulmonary surfactant mainly consists of lipids, it may be necessary to investigate the effects of co-exposure to NMs and pulmonary surfactant or its components on lipid metabolism and related signaling pathways. Recently we found that multi-walled carbon nanotubes (MWCNTs) transformed THP-1 macrophages into lipid-laden foam cells via ER stress pathway. Here this study further investigated the impact of pulmonary surfactant component dipalmitoylphosphatidylcholine (DPPC) on this process. Up to 64 μg/mL hydroxylated or carboxylated MWCNTs induced lipid accumulation and IL-6 release in THP-1 macrophages, accompanying with increased oxidative stress and p-chop proteins (biomarker for ER stress). Incubation with 100 μg/mL DPPC led to MWCNT surface coating but did not significantly alter MWCNT internalization, lipid burden or IL-6 release. However, lipidomics indicated that DPPC altered lipid profliles in MWCNT-exposed cells. DPPC also led to a higher level of de novo lipogenesis regulator FASN in cells exposed to hydroxylated MWCNTs, as well as a higher level of p-chop and scavenger receptor MSR1 in cells exposed to carboxylated MWCNTs. Combined, DPPC did not significantly affect MWCNT-induced lipid accumulation but altered lipid components and ER stress in macrophages.
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Affiliation(s)
- Jinru Lin
- School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Ying Jiang
- School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Yingmei Luo
- School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Hao Guo
- Chongqing Institute of Forensic Science, Chongqing 400021, China
| | - Chaobo Huang
- College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China
| | - Jinfeng Peng
- School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China.
| | - Yi Cao
- School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China.
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28
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Baimanov D, Wu J, Chu R, Cai R, Wang B, Cao M, Tao Y, Liu J, Guo M, Wang J, Yuan X, Ji C, Zhao Y, Feng W, Wang L, Chen C. Immunological Responses Induced by Blood Protein Coronas on Two-Dimensional MoS 2 Nanosheets. ACS NANO 2020; 14:5529-5542. [PMID: 32283010 DOI: 10.1021/acsnano.9b09744] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Two-dimensional (2D) nanosheets (NSs) have a large surface area, high surface free energy, and ultrathin structure, which enable them to more easily penetrate biological membranes and promote adsorption of drugs and proteins. NSs are capable of adsorbing a large amount of blood proteins to form NSs-protein corona complexes; however, their inflammatory effects are still unknown. Therefore, we investigated the pro-inflammatory effect of 2D model nanosheet structures, molybdenum disulfide (MoS2), and the MoS2 NSs-protein complexes with four abundant proteins in human blood, i.e., human serum albumin (HSA), transferrin (Tf), fibrinogen (Fg), and immunoglobulin G (IgG). The interactions between the NSs and the proteins were analyzed by quantifying protein adsorption, determining binding affinity, and correlating structural changes in the protein corona with the uptake of NSs by macrophages and the subsequent inflammatory response. Although all of the NSs-protein complexes induced inflammation, IgG-coated and Fg-coated NSs triggered much stronger inflammatory effects by producing and releasing more cytokines. Among the four proteins, IgG possessed the highest proportion of β-sheets and led to fewer secondary structure changes on the MoS2 nanosheets. This can facilitate uptake and produce a stronger pro-inflammatory response in macrophages due to the recognition of an NSs-IgG complex by Fc gamma receptors and the subsequent activation of the NF-κB pathways. Our results demonstrate that the blood protein components contribute to the inflammatory effects of nanosheets and provide important insights for the nanosafety evaluation and the rational design of nanomedicines in the future.
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Affiliation(s)
- Didar Baimanov
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junguang Wu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Runxuan Chu
- Institute of Health Sciences, Anhui University, Hefei, Anhui 230601, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Rong Cai
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Bing Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Mingjing Cao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ye Tao
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Jiaming Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengyu Guo
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xia Yuan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Chendong Ji
- State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yuliang Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- GBA Research Innovation Institute for Nanotechnology, Guangdong 510700, China
| | - Weiyue Feng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Liming Wang
- University of Chinese Academy of Sciences, Beijing 100049, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- GBA Research Innovation Institute for Nanotechnology, Guangdong 510700, China
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29
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Alsayed Z, Awad R, Badawi MS. Thermo-mechanical properties of high density polyethylene with zinc oxide as a filler. IRANIAN POLYMER JOURNAL 2020. [DOI: 10.1007/s13726-020-00796-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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30
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Enfrin M, Lee J, Gibert Y, Basheer F, Kong L, Dumée LF. Release of hazardous nanoplastic contaminants due to microplastics fragmentation under shear stress forces. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121393. [PMID: 31740306 DOI: 10.1016/j.jhazmat.2019.121393] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/27/2019] [Accepted: 10/03/2019] [Indexed: 05/22/2023]
Abstract
The presence of nanoplastics in water has become a major environmental concern in the last decade however the knowledge on the origin and formation of these emerging contaminants is lacking due to analytical challenges in detection and quantification techniques. The release of nanoplastics due to the fragmentation of microplastics extracted from a facial scrub and the resulting toxicity on aquatic species are reported here for the first time. The daily use of 4 g of facial scrub could release up to 1011 microplastics of 400 nm in size per litre of wastewater from household drains. Turbulences created by mixing or pumping induced the fragmentation of microplastics into nanoplastics smaller than 10 nm via a crack propagation and failure mechanism, increasing the number of particles in water by one order of magnitude. Compared to microplastics at a fixed concentration number of 6.8 × 108 part./mL, the generated nanoplastics initiated the death of 54% more cells in zebrafish by passive ingestion via skin diffusion which therefore pose a real threat for aquatic living organisms. These results stress the need to reduce the release of nano/microplastics in the aquatic environment to prevent the contamination of all trophic levels.
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Affiliation(s)
- Marie Enfrin
- Department of Chemical and Process Engineering, University of Surrey, Surrey, GU27XH, United Kingdom; Deakin University, Geelong, Institute for Frontier Materials, Waurn Ponds, Victoria, 3216, Australia
| | - Judy Lee
- Department of Chemical and Process Engineering, University of Surrey, Surrey, GU27XH, United Kingdom.
| | - Yann Gibert
- Deakin University, Geelong, School of Medicine, Waurn Ponds, Victoria, 3216, Australia; Department of Cell and Molecular Biology, The University of Mississippi Medical Center, Jackson, MS 39216-4505, USA
| | - Faiza Basheer
- Deakin University, Geelong, School of Medicine, Waurn Ponds, Victoria, 3216, Australia
| | - Lingxue Kong
- Deakin University, Geelong, Institute for Frontier Materials, Waurn Ponds, Victoria, 3216, Australia
| | - Ludovic F Dumée
- Deakin University, Geelong, Institute for Frontier Materials, Waurn Ponds, Victoria, 3216, Australia
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31
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Carll AP, Salatini R, Pirela SV, Wang Y, Xie Z, Lorkiewicz P, Naeem N, Qian Y, Castranova V, Godleski JJ, Demokritou P. Inhalation of printer-emitted particles impairs cardiac conduction, hemodynamics, and autonomic regulation and induces arrhythmia and electrical remodeling in rats. Part Fibre Toxicol 2020; 17:7. [PMID: 31996220 PMCID: PMC6990551 DOI: 10.1186/s12989-019-0335-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/29/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Using engineered nanomaterial-based toners, laser printers generate aerosols with alarming levels of nanoparticles that bear high bioactivity and potential health risks. Yet, the cardiac impacts of printer-emitted particles (PEPs) are unknown. Inhalation of particulate matter (PM) promotes cardiovascular morbidity and mortality, and ultra-fine particulates (< 0.1 μm aerodynamic diameter) may bear toxicity unique from larger particles. Toxicological studies suggest that PM impairs left ventricular (LV) performance; however, such investigations have heretofore required animal restraint, anesthesia, or ex vivo preparations that can confound physiologic endpoints and/or prohibit LV mechanical assessments during exposure. To assess the acute and chronic effects of PEPs on cardiac physiology, male Sprague Dawley rats were exposed to PEPs (21 days, 5 h/day) while monitoring LV pressure (LVP) and electrocardiogram (ECG) via conscious telemetry, analyzing LVP and heart rate variability (HRV) in four-day increments from exposure days 1 to 21, as well as ECG and baroreflex sensitivity. At 2, 35, and 70 days after PEPs exposure ceased, rats received stress tests. RESULTS On day 21 of exposure, PEPs significantly (P < 0.05 vs. Air) increased LV end systolic pressure (LVESP, + 18 mmHg) and rate-pressure-product (+ 19%), and decreased HRV indicating sympathetic dominance (root means squared of successive differences [RMSSD], - 21%). Overall, PEPs decreased LV ejection time (- 9%), relaxation time (- 3%), tau (- 5%), RMSSD (- 21%), and P-wave duration (- 9%). PEPs increased QTc interval (+ 5%) and low:high frequency HRV (+ 24%; all P < 0.05 vs. Air), while tending to decrease baroreflex sensitivity and contractility index (- 15% and - 3%, P < 0.10 vs. Air). Relative to Air, at both 2 and 35 days after PEPs, ventricular arrhythmias increased, and at 70 days post-exposure LVESP increased. PEPs impaired ventricular repolarization at 2 and 35 days post-exposure, but only during stress tests. At 72 days post-exposure, PEPs increased urinary dopamine 5-fold and protein expression of ventricular repolarizing channels, Kv1.5, Kv4.2, and Kv7.1, by 50%. CONCLUSIONS Our findings suggest exposure to PEPs increases cardiovascular risk by augmenting sympathetic influence, impairing ventricular performance and repolarization, and inducing hypertension and arrhythmia. PEPs may present significant health risks through adverse cardiovascular effects, especially in occupational settings, among susceptible individuals, and with long-term exposure.
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Affiliation(s)
- Alex P. Carll
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY USA
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY USA
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Room 1310, Boston, MA 02115 USA
| | - Renata Salatini
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY USA
- Department of Surgery, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Sandra V. Pirela
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Room 1310, Boston, MA 02115 USA
| | - Yun Wang
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Room 1310, Boston, MA 02115 USA
- Department of Occupational and Environmental Health Sciences,School of Public Health, Peking University, Beijing, People’s Republic of China
| | - Zhengzhi Xie
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY USA
| | - Pawel Lorkiewicz
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY USA
| | - Nazratan Naeem
- Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY USA
| | - Yong Qian
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV USA
| | - Vincent Castranova
- Department of Pharmaceutical Sciences/Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV USA
| | - John J. Godleski
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Room 1310, Boston, MA 02115 USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology. Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Room 1310, Boston, MA 02115 USA
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32
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Choi JS, Hong SH, Park JW. Evaluation of microplastic toxicity in accordance with different sizes and exposure times in the marine copepod Tigriopus japonicus. MARINE ENVIRONMENTAL RESEARCH 2020; 153:104838. [PMID: 31733910 DOI: 10.1016/j.marenvres.2019.104838] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 10/18/2019] [Accepted: 11/06/2019] [Indexed: 05/21/2023]
Abstract
The indiscriminate use of plastic has greatly increased microplastic contamination risk in the marine environment. Microplastics can affect all marine life via the food web, from primary producers (e.g., microalgae) to final consumers (e.g., carnivorous fish). Thus, several studies have attempted to evaluate microplastic toxicity, but information about the underlying mechanisms of their effect is limited. Therefore, in this study, we examined multiple factors that could contribute to microplastic-induced toxicity. We investigated the potential molecular effects of microplastic size and exposure time. We exposed the marine copepod Tigriopus japonicus to 50 nm and 10 μm polystyrene microbeads. We found that both size and exposure time increased intracellular levels of reactive oxygen species. In addition, antioxidant-related gene expression was modulated and antioxidant enzyme activities were changed significantly. The results of this study provide important insights into the molecular mechanisms of microplastic-induced toxicity in a marine organism.
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Affiliation(s)
- Jin Soo Choi
- Environmental Biology Research Group, Korea Institute of Toxicology, 17 Jegok-gil, Jinju, 52834, Republic of Korea
| | - Sang Hee Hong
- Oil and POPs Research Laboratory, Korea Institute of Ocean Science and Technology, 41 Jangmok-1-gil, Geoje, 53201, Republic of Korea
| | - June-Woo Park
- Environmental Biology Research Group, Korea Institute of Toxicology, 17 Jegok-gil, Jinju, 52834, Republic of Korea; Human and Environmental Toxicology Program, Korea University of Science and Technology (UST), 217, Gajeong-ro, Daejeon, 34113, Republic of Korea.
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33
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Kar AK, Kaur SP, Kumar TJD, Srivastava R. Efficient hydrogenolysis of aryl ethers over Ce-MOF supported Pd NPs under mild conditions: mechanistic insight using density functional theoretical calculations. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01279c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The significant Pd0 content and optimum bonding of the reactant & product (higher adsorption energy of benzyl phenyl ether and lower desorption energy for phenol) are responsible for the exceptional catalytic activity of Pd/Ce-MOF.
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Affiliation(s)
- Ashish Kumar Kar
- Catalysis Research Laboratory
- Department of Chemistry
- Indian Institute of Technology Ropar
- Rupnagar
- India
| | - Surinder Pal Kaur
- Catalysis Research Laboratory
- Department of Chemistry
- Indian Institute of Technology Ropar
- Rupnagar
- India
| | - T. J. Dhilip Kumar
- Catalysis Research Laboratory
- Department of Chemistry
- Indian Institute of Technology Ropar
- Rupnagar
- India
| | - Rajendra Srivastava
- Catalysis Research Laboratory
- Department of Chemistry
- Indian Institute of Technology Ropar
- Rupnagar
- India
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34
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Duan Y, Coreas R, Liu Y, Bitounis D, Zhang Z, Parviz D, Strano M, Demokritou P, Zhong W. Prediction of protein corona on nanomaterials by machine learning using novel descriptors. NANOIMPACT 2020; 17:10.1016/j.impact.2020.100207. [PMID: 32104746 PMCID: PMC7043407 DOI: 10.1016/j.impact.2020.100207] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Effective in silico methods to predict protein corona compositions on engineered nanomaterials (ENMs) could help elucidate the biological outcomes of ENMs in biosystems without the need for conducting lengthy experiments for corona characterization. However, the physicochemical properties of ENMs, used as the descriptors in current modeling methods, are insufficient to represent the complex interactions between ENMs and proteins. Herein, we utilized the fluorescence change (FC) from fluorescamine labeling on a protein, with or without the presence of the ENM, as a novel descriptor of the ENM to build machine learning models for corona formation. FCs were significantly correlated with the abundance of the corresponding proteins in the corona on diverse classes of ENMs, including metal and metal oxides, nanocellulose, and 2D ENMs. Prediction models established by the random forest algorithm using FCs as the ENM descriptors showed better performance than the conventional descriptors, such as ENM size and surface charge, in the prediction of corona formation. Moreover, they were able to predict protein corona formation on ENMs with very heterogeneous properties. We believe this novel descriptor can improve in silico studies of corona formation, leading to a better understanding on the protein adsorption behaviors of diverse ENMs in different biological matrices. Such information is essential for gaining a comprehensive view of how ENMs interact with biological systems in ENM safety and sustainability assessments.
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Affiliation(s)
- Yaokai Duan
- Department of Chemistry, University of California, Riverside, CA 92507, United States
| | - Roxana Coreas
- Department of Environmental Toxicology Graduate Program, University of California, Riverside, CA 92507, United States
| | - Yang Liu
- Department of Environmental Toxicology Graduate Program, University of California, Riverside, CA 92507, United States
| | - Dimitrios Bitounis
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Harvard University, 665 Huntington, Boston, MA 02115, USA
| | - Zhenyuan Zhang
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Harvard University, 665 Huntington, Boston, MA 02115, USA
| | - Dorsa Parviz
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue 66-570b, Cambridge, MA 02139, USA
| | - Michael Strano
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue 66-570b, Cambridge, MA 02139, USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Harvard University, 665 Huntington, Boston, MA 02115, USA
| | - Wenwan Zhong
- Department of Chemistry, University of California, Riverside, CA 92507, United States
- Department of Environmental Toxicology Graduate Program, University of California, Riverside, CA 92507, United States
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35
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Tsuda A, Donaghey TC, Konduru NV, Pyrgiotakis G, Van Winkle LS, Zhang Z, Edwards P, Bustamante JM, Brain JD, Demokritou P. Age-Dependent Translocation of Gold Nanoparticles across the Air-Blood Barrier. ACS NANO 2019; 13:10095-10102. [PMID: 31397554 PMCID: PMC6929694 DOI: 10.1021/acsnano.9b03019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Do immature lungs have air-blood barriers that are more permeable to inhaled nanoparticles than those of fully developed mature lungs? Data supporting this notion and explaining the underlying mechanisms do not exist as far as we know. Using a rat model of postnatal lung development, here the data exactly supporting this notion, that is, significantly more gold nanoparticles (NPs) cross from the air space of the lungs to the rest of the body in neonates than in adults, are presented. Moreover, in neonates the translocation of gold NPs is not size dependent, whereas in adult animals smaller NPs cross the air-blood lung barrier much more efficiently than larger NPs. This difference in air-blood permeability in neonate versus adult animals suggests that NP translocation in the immature lungs may follow different rules than in mature lungs. Supporting this notion, we propose that the paracellular transport route may play a more significant role in NP translocation in immature animals, as suggested by protein expression studies. Findings from this study are critical to design optimal ways of inhalation drug delivery using NP nanocarriers for this age group, as well as for better understanding of the potential adverse health effects of nanoparticle exposures in infants and young children.
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Affiliation(s)
- Akira Tsuda
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Thomas C. Donaghey
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Nagarjun V. Konduru
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Georgios Pyrgiotakis
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Laura S. Van Winkle
- Center for Health and the Environment, University of California, Davis, Davis, California 95616, United States
| | - Zhenyuan Zhang
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Patricia Edwards
- Center for Health and the Environment, University of California, Davis, Davis, California 95616, United States
| | - Jessica-Miranda Bustamante
- Center for Health and the Environment, University of California, Davis, Davis, California 95616, United States
| | - Joseph D. Brain
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Phillip Demokritou
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States
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36
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Syafiq U, Ataollahi N, Maggio RD, Scardi P. Solution-Based Synthesis and Characterization of Cu 2ZnSnS 4 (CZTS) Thin Films. Molecules 2019; 24:E3454. [PMID: 31547625 PMCID: PMC6803857 DOI: 10.3390/molecules24193454] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/16/2019] [Accepted: 09/20/2019] [Indexed: 11/16/2022] Open
Abstract
Cu2ZnSnS4 (CZTS) ink was synthesized from metal chloride precursors, sulfur, and oleylamine (OLA), as a ligand by a simple and low-cost hot-injection method. Thin films of CZTS were then prepared by spin coating, followed by thermal annealing. The effects of the fabrication parameters, such as ink concentration, spinning rate, and thermal treatment temperatures on the morphology and structural, optical, and electrical properties of the films were investigated. As expected, very thin films, for which the level of transmittance and band-gap values increase, can be obtained either by reducing the concentration of the inks or by increasing the rate of spinning. Moreover, the thermal treatment affects the phase formation and crystallinity of the film, as well as the electrical conductivity, which decreases at a higher temperature.
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Affiliation(s)
- Ubaidah Syafiq
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
- Solar Energy Research Institute, National University of Malaysia (SERI-UKM), Bangi 43600, Selangor, Malaysia.
| | - Narges Ataollahi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
| | - Rosa Di Maggio
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
| | - Paolo Scardi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
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Muraleetharan V, Mantaj J, Swedrowska M, Vllasaliu D. Nanoparticle modification in biological media: implications for oral nanomedicines. RSC Adv 2019; 9:40487-40497. [PMID: 35542629 PMCID: PMC9076262 DOI: 10.1039/c9ra08403g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 11/28/2019] [Indexed: 11/21/2022] Open
Abstract
Nanomedicine has shown potential in enabling oral administration of poorly absorbable drugs, such as biologics. As part of the process related to optimisation of the safety and efficacy of nanomedicines, it is imperative that the interaction of nanoparticles with the biological systems – including the gut – is fully characterised. In this article, we provide an overview of the major mechanisms by which nanoparticles may transform upon introduction in biological media. Specifically, the phenomena of association, dissolution and biomolecule adsorption are discussed, together with factors which influence the occurrence of each phenomenon. The implications of these phenomena within the context of therapeutic action of nanomedicines, which includes reduced targeting efficiency, are also explored. Finally, we will comment on nanoparticle modification within the gut environment, including the currently available gastrointestinal models for the study of nano-bio interactions, with implications in the area of nanomedicines for oral administration. Nanomedicines undergo transformation in biological media, which impacts biological effects. Such transformation in the gut environment has implications in use of nanomedicines for oral administration.![]()
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Affiliation(s)
- Vishnaka Muraleetharan
- Institute of Pharmaceutical Science
- School of Cancer and Pharmaceutical Science
- King's College London
- London
- UK
| | - Julia Mantaj
- Institute of Pharmaceutical Science
- School of Cancer and Pharmaceutical Science
- King's College London
- London
- UK
| | - Magda Swedrowska
- Institute of Pharmaceutical Science
- School of Cancer and Pharmaceutical Science
- King's College London
- London
- UK
| | - Driton Vllasaliu
- Institute of Pharmaceutical Science
- School of Cancer and Pharmaceutical Science
- King's College London
- London
- UK
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38
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Singh J, Dutta T, Kim KH, Rawat M, Samddar P, Kumar P. 'Green' synthesis of metals and their oxide nanoparticles: applications for environmental remediation. J Nanobiotechnology 2018; 16:84. [PMID: 30373622 PMCID: PMC6206834 DOI: 10.1186/s12951-018-0408-4] [Citation(s) in RCA: 630] [Impact Index Per Article: 105.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 10/08/2018] [Indexed: 01/09/2023] Open
Abstract
In materials science, “green” synthesis has gained extensive attention as a reliable, sustainable, and eco-friendly protocol for synthesizing a wide range of materials/nanomaterials including
metal/metal oxides nanomaterials, hybrid materials, and bioinspired materials. As such, green synthesis is regarded as an important tool to reduce the destructive effects associated with the traditional methods of synthesis for nanoparticles commonly utilized in laboratory and industry. In this review, we summarized the fundamental processes and mechanisms of “green” synthesis approaches, especially for metal and metal oxide [e.g., gold (Au), silver (Ag), copper oxide (CuO), and zinc oxide (ZnO)] nanoparticles using natural extracts. Importantly, we explored the role of biological components, essential phytochemicals (e.g., flavonoids, alkaloids, terpenoids, amides, and aldehydes) as reducing agents and solvent systems. The stability/toxicity of nanoparticles and the associated surface engineering techniques for achieving biocompatibility are also discussed. Finally, we covered applications of such synthesized products to environmental remediation in terms of antimicrobial activity, catalytic activity, removal of pollutants dyes, and heavy metal ion sensing.
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Affiliation(s)
- Jagpreet Singh
- Department of Nanotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, 140406, India
| | - Tanushree Dutta
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata, 700 098, India
| | - Ki-Hyun Kim
- Department of Civil & Environmental Engineering, Hanyang University, Seoul, 04763, South Korea.
| | - Mohit Rawat
- Department of Nanotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, 140406, India
| | - Pallabi Samddar
- Department of Civil & Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Pawan Kumar
- Department of Nano Science and Materials, Central University of Jammu, Jammu, J & K, 180011, India.
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Yang Y, Xu L, Dekkers S, Zhang LG, Cassee FR, Zuo YY. Aggregation State of Metal-Based Nanomaterials at the Pulmonary Surfactant Film Determines Biophysical Inhibition. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:8920-8929. [PMID: 30011188 DOI: 10.1021/acs.est.8b02976] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Metal-based nanomaterials (MNMs) represent a large category of the engineered nanomaterials, and have been extensively used to enhance the electrical, optical, and magnetic properties of nanoenabled consumer products. Inhaled MNMs can penetrate deeply into the peripheral lung at which they first interact with the pulmonary surfactant (PS) lining of alveoli. Here we studied the biophysical inhibitory potential of representative MNMs on a modified natural PS, Infasurf, using a novel in vitro experimental methodology called the constrained drop surfactometry (CDS). It was found that the biophysical inhibitory potential of six MNMs on Infasurf ranks in the order CeO2 > ZnO > TiO2 > Ag > Fe3O4 > ZrO2-CeO2. This rank of in vitro biophysical inhibition is in general agreement with the in vitro and in vivo toxicity of these MNMs. Directly imaging the lateral structure and molecular conformation of the PS film using atomic force microscopy revealed that there exists a correlation between biophysical inhibition of the PS film by the MNMs and their aggregation state at the PS film. Taken together, our study suggests that the nano-bio interactions at the PS film are determined by multiple physicochemical properties of the MNMs, including not only well-studied properties such as their chemical composition and particle size, but also properties such as hydrophobicity, dissolution rate, and aggregation state at the PS film found here. Our study provides novel insight into the understanding of nanotoxicology and metallomics of MNMs.
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Affiliation(s)
- Yi Yang
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States
| | - Lu Xu
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States
| | - Susan Dekkers
- National Institute for Public Health and the Environment , 3720 BA , Bilthoven , The Netherlands
| | - Lijie Grace Zhang
- Departments of Mechanical and Aerospace Engineering, Biomedical Engineering, and Medicine , The George Washington University , Washington , D.C. 20052 , United States
| | - Flemming R Cassee
- National Institute for Public Health and the Environment , 3720 BA , Bilthoven , The Netherlands
- Institute of Risk Assessment Sciences , Utrecht University , 3508 TD , Utrecht , The Netherlands
| | - Yi Y Zuo
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States
- Department of Pediatrics, John A. Burns School of Medicine , University of Hawaii , Honolulu , Hawaii 96826 , United States
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40
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Konduru NV, Damiani F, Stoilova-McPhie S, Tresback JS, Pyrgiotakis G, Donaghey TC, Demokritou P, Brain JD, Molina RM. Nanoparticle Wettability Influences Nanoparticle-Phospholipid Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:6454-6461. [PMID: 29754486 PMCID: PMC6507429 DOI: 10.1021/acs.langmuir.7b03741] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We explored the influence of nanoparticle (NP) surface charge and hydrophobicity on NP-biomolecule interactions by measuring the composition of adsorbed phospholipids on four NPs, namely, positively charged CeO2 and ZnO and negatively charged BaSO4 and silica-coated CeO2, after exposure to bronchoalveolar lavage fluid (BALf) obtained from rats, and to a mixture of neutral dipalmitoyl phosphatidylcholine (DPPC) and negatively charged dipalmitoyl phosphatidic acid (DPPA). The resulting NP-lipid interactions were examined by cryogenic transmission electron microscopy (cryo-TEM) and atomic force microscopy (AFM). Our data show that the amount of adsorbed lipids on NPs after incubation in BALf and the DPPC/DPPA mixture was higher in CeO2 than in the other NPs, qualitatively consistent with their relative hydrophobicity. The relative concentrations of specific adsorbed phospholipids on NP surfaces were different from their relative concentrations in the BALf. Sphingomyelin was not detected in the extracted lipids from the NPs despite its >20% concentration in the BALf. AFM showed that the more hydrophobic CeO2 NPs tended to be located inside lipid vesicles, whereas less hydrophobic BaSO4 NPs appeared to be outside. In addition, cryo-TEM analysis showed that CeO2 NPs were associated with the formation of multilamellar lipid bilayers, whereas BaSO4 NPs with unilamellar lipid bilayers. These data suggest that the NP surface hydrophobicity predominantly controls the amounts and types of lipids adsorbed, as well as the nature of their interaction with phospholipids.
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Affiliation(s)
- Nagarjun V. Konduru
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Flavia Damiani
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Svetla Stoilova-McPhie
- Center for Nanoscale Systems, Faculty of Art and Sciences, Harvard University, 11 Oxford Street, Cambridge, Massachusetts 02138, United States
| | - Jason S. Tresback
- Center for Nanoscale Systems, Faculty of Art and Sciences, Harvard University, 11 Oxford Street, Cambridge, Massachusetts 02138, United States
| | - Georgios Pyrgiotakis
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Thomas C. Donaghey
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Philip Demokritou
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Joseph D. Brain
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Ramon M. Molina
- Molecular and Integrative Physiological Sciences Program, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, United States
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41
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Beltran-Huarac J, Zhang Z, Pyrgiotakis G, DeLoid G, Vaze N, Hussain SM, Demokritou P. Development of reference metal and metal oxide engineered nanomaterials for nanotoxicology research using high throughput and precision flame spray synthesis approaches. NANOIMPACT 2018; 10:26-37. [PMID: 30035243 PMCID: PMC6051426 DOI: 10.1016/j.impact.2017.11.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
There is a growing need to develop and characterize reference metal and metal oxide engineered nanomaterials (ENMs) of high purity and tunable intrinsic properties suitable for nanotoxicology research. Here a high throughput (volume) and precision flame spray pyrolysis (FSP) approach coupled with state-of-the-art characterization techniques are utilized to generate such reference ENMs. The lab-based and industrially relevant FSP system, termed as Versatile Engineered Nanomaterials Generation System (VENGES), synthesizes the metals and metal oxides, at high throughput manner with controlled properties, such as primary particle size, aggregate diameter, shape, crystallinity, stoichiometry and surface chemistry. A nanopanel of nine reference ENMs (silica, silver, silver supported on silica, alumina, ceria and iron oxide) was synthesized and characterized using combined electron microscopy, advanced spectroscopic techniques and physical analyses (e.g., BET, XRD, TEM, pycnometry, XPS, ICP-MS and FTIR). ENMs show a high degree of chemical purity and stoichiometry, and low content of carbon residuals, and are sterile and free of bacteria and endotoxins. Further, their colloidal properties and their implication in in-vitro dosimetry have been also investigated in both environmental and test biological media. The suitability of reference ENMs and protocols developed in this study brings forth new arenas to generate reliable and reproducible toxicological data in an effort to reduce conflicting and contradicting inter-laboratory data on relative toxic effects of ENMs.
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Affiliation(s)
- Juan Beltran-Huarac
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
| | - Zhenyuan Zhang
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
| | - Georgios Pyrgiotakis
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
| | - Glen DeLoid
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
| | - Nachiket Vaze
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
| | - Saber M. Hussain
- Molecular Bioeffects Branch, Airman Systems Directorate, Wright Patterson Air Force Base, Dayton, OH, USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, HSPH-NIEHS Nanosafety Center, Department of Environmental Health, Harvard T. H. Chan School of Public School, Harvard University, Boston, MA 02115, USA
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42
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Cohen JM, Beltran-Huarac J, Pyrgiotakis G, Demokritou P. Effective delivery of sonication energy to fast settling and agglomerating nanomaterial suspensions for cellular studies: Implications for stability, particle kinetics, dosimetry and toxicity. NANOIMPACT 2018; 10:81-86. [PMID: 29479575 PMCID: PMC5823521 DOI: 10.1016/j.impact.2017.12.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Typical in vitro assays used for high throughput toxicological screening and measuring nano-bio interactions are conducted by pipetting suspensions of engineered nanomaterials (ENMs) dispersed in nutrient-rich culture media directly onto cells. In order to achieve fairly monodisperse and stable suspensions of small agglomerates, ultrasonic energy is usually applied to break apart large agglomerates that can form upon suspension in liquid. Lack of standardized protocols and methods for delivering sonication energy can introduce variability in the ENM suspension properties (e.g. agglomerate size, polydispersity, suspension stability over time), and holds significant implications for in vitro dosimetry, toxicity, and other nano-bio interactions. Careful assessment of particle transformations during dispersion preparation and sonication is therefore critical for accurate interpretation of in vitro toxicity studies. In this short communication, the difficulties of preparing stable suspensions of rapidly settling ENMs are presented. Furthermore, methods to optimize the delivery of the critical sonication energy required to break large agglomerates and prepare stable, fairly monodispersed suspensions of fast settling ENMs are presented. A methodology for the efficient delivery of sonication energy in a discrete manner is presented and validated using various rapidly agglomerating and settling ENMs. The implications of continuous vs. discrete sonication on average hydrodynamic diameter, and polydispersity was also assessed for both fast and slow settling ENMs. For the rapidly agglomerating and settling ENMs (Ag15%/SiO2, Ag and CeO2), the proposed discrete sonication achieved a significant reduction in the agglomerate diameter and polydispersity. In contrast, the relatively slow agglomerating and settling Fe2O3 suspension did not exhibit statistically significant differences in average hydrodynamic diameter or polydispersity between the continuous and discrete sonication approaches. Our results highlight the importance of using the proposed material-specific discrete sonication method to effectively deliver the critical sonication energy necessary to reproducibly achieve stable and fairly monodispersed suspensions that are suitable for in vitro toxicity testing.
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Affiliation(s)
- Joel M. Cohen
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, 655 Huntington Ave Boston, MA 02115
| | - Juan Beltran-Huarac
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, 655 Huntington Ave Boston, MA 02115
| | - Georgios Pyrgiotakis
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, 655 Huntington Ave Boston, MA 02115
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, 655 Huntington Ave Boston, MA 02115
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43
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Konduru NV, Molina RM, Swami A, Damiani F, Pyrgiotakis G, Lin P, Andreozzi P, Donaghey TC, Demokritou P, Krol S, Kreyling W, Brain JD. Protein corona: implications for nanoparticle interactions with pulmonary cells. Part Fibre Toxicol 2017; 14:42. [PMID: 29084556 PMCID: PMC5663074 DOI: 10.1186/s12989-017-0223-3] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 10/17/2017] [Indexed: 11/25/2022] Open
Abstract
Background We previously showed that cerium oxide (CeO2), barium sulfate (BaSO4) and zinc oxide (ZnO) nanoparticles (NPs) exhibited different lung toxicity and pulmonary clearance in rats. We hypothesize that these NPs acquire coronas with different protein compositions that may influence their clearance from the lungs. Methods CeO2, silica-coated CeO2, BaSO4, and ZnO NPs were incubated in rat lung lining fluid in vitro. Then, gel electrophoresis followed by quantitative mass spectrometry was used to characterize the adsorbed proteins stripped from these NPs. We also measured uptake of instilled NPs by alveolar macrophages (AMs) in rat lungs using electron microscopy. Finally, we tested whether coating of gold NPs with albumin would alter their lung clearance in rats. Results We found that the amounts of nine proteins in the coronas formed on the four NPs varied significantly. The amounts of albumin, transferrin and α-1 antitrypsin were greater in the coronas of BaSO4 and ZnO than that of the two CeO2 NPs. The uptake of BaSO4 in AMs was less than CeO2 and silica-coated CeO2 NPs. No identifiable ZnO NPs were observed in AMs. Gold NPs coated with albumin or citrate instilled into the lungs of rats acquired the similar protein coronas and were cleared from the lungs to the same extent. Conclusions We show that different NPs variably adsorb proteins from the lung lining fluid. The amount of albumin in the NP corona varies as does NP uptake by AMs. However, albumin coating does not affect the translocation of gold NPs across the air-blood barrier. A more extensive database of corona composition of a diverse NP library will develop a platform to help predict the effects and biokinetics of inhaled NPs.
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Affiliation(s)
- Nagarjun V Konduru
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA.,Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Ramon M Molina
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA.,Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Archana Swami
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Flavia Damiani
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Georgios Pyrgiotakis
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA.,Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Paulo Lin
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Patrizia Andreozzi
- CIC biomaGUNE Soft Matter Nanotechnology Group, Paseo de Miramón, 182, 20014, San Sebastian-Donostia, Guipuzcoa, Spain.,IFOM, via Adamello 16, 20139 Milano, Italy
| | - Thomas C Donaghey
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Silke Krol
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta, Via Amadeo 42, 20133, Milan, Italy.,I.R.C.C.S. Istituto Tumori Giovanni Paolo II, Viale O. Flacco 65, 70124, Bari, Italy
| | - Wolfgang Kreyling
- Institute of Epidemiology 2, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Oberschleißheim, Germany
| | - Joseph D Brain
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA. .,Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA, 02115, USA.
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Ramazani A, Mandal T, Larson RG. Modeling the Hydrophobicity of Nanoparticles and Their Interaction with Lipids and Proteins. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:13084-13094. [PMID: 27951703 DOI: 10.1021/acs.langmuir.6b01963] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present a method of modeling nanoparticle (NP) hydrophobicity using coarse-grained molecular dynamics (CG MD) simulations, and apply this to the interaction of lipids with nanoparticles. To model at a coarse-grained level the wettability or hydrophobicity of a given material, we choose the MARTINI coarse-grained force field, and determine through simulation the contact angles of MARTINI water droplets residing on flat regular surfaces composed of various MARTINI bead types (C1, C2, etc.). Each surface is composed of a single bead type in each of three crystallographic symmetries (FCC, BCC, and HCP). While this method lumps together several atoms (for example, one cerium and two oxygens of CeO2) into a single CG bead, we can still capture the overall hydrophobicity of the actual material by choosing the MARTINI bead type that gives the best fit of the contact angle to that of the actual material, as determined by either experimental or all-atom simulations. For different MARTINI bead types, the macroscopic contact angle is obtained by extrapolating the microscopic contact angles of droplets of eight different sizes (containing Nw = 3224-22978 water molecules) to infinite droplet size. For each droplet, the contact angle was computed from a best fit of a circular curve to the droplet interface extrapolated to the first layer of the surface. We then examine how small nanoparticles of differing wettability interact with MARTINI dipalmitoylphosphotidylcholine (DPPC) lipids and SP-C peptides (a component of lung surfactant). The DPPC shows a transition from tails coating the nanoparticle to a hemimicelle coating the water-wet NP, as the contact angle of a water droplet on the surface is lowered below ∼60°. The results are relevant to developing a taxonomy describing the potential nanotoxicity of nanoparticle interactions with components in the lung.
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Affiliation(s)
- Ali Ramazani
- Department of Chemical Engineering, University of Michigan , 2300 Hayward Street, Ann Arbor, Michigan, United States
| | - Taraknath Mandal
- Department of Chemical Engineering, University of Michigan , 2300 Hayward Street, Ann Arbor, Michigan, United States
| | - Ronald G Larson
- Department of Chemical Engineering, University of Michigan , 2300 Hayward Street, Ann Arbor, Michigan, United States
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