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Wareing B, Aktalay Hippchen A, Kolle SN, Birk B, Funk-Weyer D, Landsiedel R. Limitations and Modifications of Skin Sensitization NAMs for Testing Inorganic Nanomaterials. TOXICS 2024; 12:616. [PMID: 39195718 PMCID: PMC11360696 DOI: 10.3390/toxics12080616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Revised: 08/14/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Since 2020, the REACh regulation requires toxicological data on nanoforms of materials, including the assessment of their skin-sensitizing properties. Small molecules' skin sensitization potential can be assessed by new approach methodologies (NAMs) addressing three key events (KE: protein interaction, activation of dendritic cells, and activation of keratinocytes) combined in a defined approach (DA) described in the OECD guideline 497. In the present study, the applicability of three NAMs (DPRA, LuSens, and h-CLAT) to nine materials (eight inorganic nanomaterials (NM) consisting of CeO2, BaSO4, TiO2 or SiO2, and quartz) was evaluated. The NAMs were technically applicable to NM using a specific sample preparation (NANOGENOTOX dispersion protocol) and method modifications to reduce interaction of NM with the photometric and flowcytometric read-outs. The results of the three assays were combined according to the defined approach described in the OECD guideline No. 497; two of the inorganic NM were identified as skin sensitizers. However, data from animal studies (for ZnO, also human data) indicate no skin sensitization potential. The remaining seven test substances were assessed as "inconclusive" because all inorganic NM were outside the domain of the DPRA, and the achievable test concentrations were not sufficiently high according to the current test guidelines of all three NAMs. The use of these NAMs for (inorganic) NM and the relevance of the results in general are challenged in three ways: (i) NAMs need modification to be applicable to insoluble, inorganic matter; (ii) current test guidelines lack adequate concentration metrics and top concentrations achievable for NM; and (iii) NM may not cause skin sensitization by the same molecular and cellular key events as small organic molecules do; in fact, T-cell-mediated hypersensitivity may not be the most relevant reaction of the immune system to NM. We conclude that the NAMs adopted by OECD test guidelines are currently not a good fit for testing inorganic NM.
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Affiliation(s)
- Britta Wareing
- BASF SE, Experimental Toxicology and Ecology, 67057 Ludwigshafen, Germany; (B.W.); (A.A.H.); (S.N.K.); (D.F.-W.)
| | - Ayse Aktalay Hippchen
- BASF SE, Experimental Toxicology and Ecology, 67057 Ludwigshafen, Germany; (B.W.); (A.A.H.); (S.N.K.); (D.F.-W.)
| | - Susanne N. Kolle
- BASF SE, Experimental Toxicology and Ecology, 67057 Ludwigshafen, Germany; (B.W.); (A.A.H.); (S.N.K.); (D.F.-W.)
| | - Barbara Birk
- BASF SE, Agriculture Solutions, 67117 Limburgerhof, Germany;
| | - Dorothee Funk-Weyer
- BASF SE, Experimental Toxicology and Ecology, 67057 Ludwigshafen, Germany; (B.W.); (A.A.H.); (S.N.K.); (D.F.-W.)
| | - Robert Landsiedel
- BASF SE, Experimental Toxicology and Ecology, 67057 Ludwigshafen, Germany; (B.W.); (A.A.H.); (S.N.K.); (D.F.-W.)
- Pharmacy, Pharmacology and Toxicology, Free University of Berlin, 14195 Berlin, Germany
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2
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Hotowy A, Strojny-Cieślak B, Ostrowska A, Zielińska-Górska M, Kutwin M, Wierzbicki M, Sosnowska M, Jaworski S, Chwalibóg A, Kotela I, Sawosz Chwalibóg E. Silver and Carbon Nanomaterials/Nanocomplexes as Safe and Effective ACE2-S Binding Blockers on Human Skin Cell Lines. Molecules 2024; 29:3581. [PMID: 39124987 PMCID: PMC11313757 DOI: 10.3390/molecules29153581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 07/19/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
(1) Background: Angiotensin-converting enzyme 2 (ACE2) is a crucial functional receptor of the SARS-CoV-2 virus. Although the scale of infections is no longer at pandemic levels, there are still fatal cases. The potential of the virus to infect the skin raises questions about new preventive measures. In the context of anti-SARS-CoV-2 applications, the interactions of antimicrobial nanomaterials (silver, Ag; diamond, D; graphene oxide, GO and their complexes) were examined to assess their ability to affect whether ACE2 binds with the virus. (2) Methods: ACE2 inhibition competitive tests and in vitro treatments of primary human adult epidermal keratinocytes (HEKa) and primary human adult dermal fibroblasts (HDFa) were performed to assess the blocking capacity of nanomaterials/nanocomplexes and their toxicity to cells. (3) Results: The nanocomplexes exerted a synergistic effect compared to individual nanomaterials. HEKa cells were more sensitive than HDFa cells to Ag treatments and high concentrations of GO. Cytotoxic effects were not observed with D. In the complexes, both carbonic nanomaterials had a soothing effect against Ag. (4) Conclusions: The Ag5D10 and Ag5GO10 nanocomplexes seem to be most effective and safe for skin applications to combat SARS-CoV-2 infection by blocking ACE2-S binding. These nanocomplexes should be evaluated through prolonged in vivo exposure. The expected low specificity enables wider applications.
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Affiliation(s)
- Anna Hotowy
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Barbara Strojny-Cieślak
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Agnieszka Ostrowska
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Marlena Zielińska-Górska
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Marta Kutwin
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Mateusz Wierzbicki
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Malwina Sosnowska
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
| | - André Chwalibóg
- Section of Production, Nutrition and Health, Department of Veterinary and Animal Sciences, University of Copenhagen, DK-1870 Frederiksberg, Denmark
| | - Ireneusz Kotela
- Department of Orthopaedics, National Medical Institute of the Ministry of the Interior and Administration, 02-507 Warsaw, Poland;
- Collegium Medicum, Jan Kochanowski University in Kielce, 25-369 Kielce, Poland
| | - Ewa Sawosz Chwalibóg
- Department of Nanobiotechnology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (B.S.-C.); (A.O.); (M.Z.-G.); (M.K.); (M.W.); (M.S.); (S.J.); (E.S.C.)
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3
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Hellmann S, Gil-Díaz T, Böhm M, Merten D, Grangeon S, Warmont F, Unbehau S, Sowoidnich T, Schäfer T. Characterization of Nanoparticles in Ethanolic Suspension Using Single Particle Inductively Coupled Plasma Mass Spectrometry: Application for Cementitious Systems. ACS OMEGA 2024; 9:30294-30307. [PMID: 39035945 PMCID: PMC11256340 DOI: 10.1021/acsomega.4c01196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/18/2024] [Accepted: 06/20/2024] [Indexed: 07/23/2024]
Abstract
Single particle inductively coupled plasma mass spectrometry (spICP-MS) is a well-established technique to characterize the size, particle number concentration (PNC), and elemental composition of engineered nanoparticles (NPs) and colloids in aqueous suspensions. However, a method capable of directly analyzing water-sensitive or highly reactive NPs in alcoholic suspension has not been reported yet. Here, we present a novel spICP-MS method for characterizing the main cement hydration product, i.e., calcium-silicate-hydrate (C-S-H) NPs, in ethanolic suspensions, responsible for cement strength. The method viability was tested on a wide range of NP compositions and sizes (i.e., from Au, SiO2, and Fe3O4 NP certified reference materials (CRMs) to synthetic C-S-H phases with known Ca/Si ratios and industrial cement hardening accelerators, X-Seed 100/500). Method validation includes comparisons to nanoparticle tracking analysis (NTA) and transmission/scanning electron microscopy (TEM/SEM). Results show that size distributions from spICP-MS were in good agreement with TEM and NTA for CRMs ≥ 51 nm and the synthetic C-S-H phases. The X-Seed samples showed significant differences in NP sizes depending on the elemental composition, i.e. CaO and SiO2 NPs were bigger than Al2O3 NPs. PNC via spICP-MS was successfully validated with an accuracy of 1 order of magnitude for CRMs and C-S-H phases. The spICP-MS Ca/Si ratios matched known ratios from synthetic C-S-H phases (0.6, 0.8, and 1.0). Overall, our method is applicable for the direct and element-specific quantification of fast nucleation and/or mineral formation processes characterizing NPs (ca. 50-1000 nm) in alcoholic suspensions.
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Affiliation(s)
- Steffen Hellmann
- Friedrich
Schiller University Jena, Institute of Geosciences,
Applied Geology, Burgweg
11, 07749 Jena, Germany
- International
Max Planck Research School for Global Biogeochemical Cycles, Max Planck Institute for Biogeochemistry, Department
of Biogeochemical Processes, Hans-Knöll-Straße 10, 07745 Jena, Germany
| | - Teba Gil-Díaz
- Friedrich
Schiller University Jena, Institute of Geosciences,
Applied Geology, Burgweg
11, 07749 Jena, Germany
| | - Marcus Böhm
- Friedrich
Schiller University Jena, Institute of Geosciences,
Applied Geology, Burgweg
11, 07749 Jena, Germany
| | - Dirk Merten
- Friedrich
Schiller University Jena, Institute of Geosciences,
Applied Geology, Burgweg
11, 07749 Jena, Germany
| | | | - Fabienne Warmont
- ICMN, 1B, rue de la Férollerie
CS40059, F-45071 Cedex 2 Orléans, France
| | - Sophie Unbehau
- Bauhaus-Universität
Weimar, Institute for Building
Materials, Coudraystr.
11, 99423 Weimar, Germany
| | - Thomas Sowoidnich
- Bauhaus-Universität
Weimar, Institute for Building
Materials, Coudraystr.
11, 99423 Weimar, Germany
| | - Thorsten Schäfer
- Friedrich
Schiller University Jena, Institute of Geosciences,
Applied Geology, Burgweg
11, 07749 Jena, Germany
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Hamalaw SJ, Kareem FA, Noori AJ. Antibacterial, Antibiofilm, and Tooth Color Preservation Capacity of Magnesium Oxide Nanoparticles Varnish (in vitro Study). Nanotechnol Sci Appl 2024; 17:127-146. [PMID: 38952853 PMCID: PMC11216553 DOI: 10.2147/nsa.s462771] [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: 03/11/2024] [Accepted: 06/14/2024] [Indexed: 07/03/2024] Open
Abstract
Purpose Antibacterial and antibiofilm properties of magnesium oxide nanoparticles (MgONPs) mixture assessed against Streptococcus mutans (S. mutans), in addition to examining MgONPs varnish impact on the preservation of the tooth color and inhibition of methylene blue diffusion to the enamel. Methods MgONPs mixture was prepared in deionized water (DW), absolute ethanol (E), and rosin with ethanol (RE), named varnish. The antibacterial and antibiofilm capacities of MgONPs mixtures were tested by agar well diffusion, colony-forming unit (CFU), and biofilm inhibition microtiter methods in triplicate and compared to sodium fluoride varnish (NaF) and chlorhexidine mouthwash (ChX). A spectrophotometer was used to record basic tooth color. The artificial demineralization was initiated for 96 h. Then, experimental materials were applied to the corresponding group, and 10-day pH cycles proceeded. Then, the color was recorded in the same ambient environment. The methylene blue diffusion was evaluated by staining the samples for 24 h. After that, the diffusion test was calculated by a digital camera attached to the stereomicroscope. Results The agar well diffusion test expressed a significant inhibition zone with all MgONPs mixtures (p = 0.000), and maximum inhibition zone diameter associated with MgONPs-RE. The same finding was observed in the CFU test. Additionally, 2.5%, 5%, and 10% MgONPs-RE varnish showed strong biofilm inhibition capacity (p = 0.039) compared to NaF and ChX groups that inhibit biofilm formation moderately (p = 0.003). The study shows that the 5% MgONPs-RE varnish maintains basic tooth color with minimal methylene blue diffusion compared to NaF varnish (p = 0.00). Conclusion Evaluating MgONPs as a mixture revealed antibacterial and antibiofilm capacity against S. mutans with a higher effect of MgONPs-RE varnish. Also, examining the topical effect of MgONPs-RE varnish on the preservation of the tooth color after pH cycle challenges and methylene blue diffusion to enamel confirmed the high performance of MgONPs-RE varnish at 5%.
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Affiliation(s)
- Sonya Jamal Hamalaw
- Department of Pedodontics and Community Oral Health, College of Dentistry, University of Sulaimani, Sulaymaniyah, Iraq
| | - Fadil Abdulla Kareem
- Department of Pedodontics and Community Oral Health, College of Dentistry, University of Sulaimani, Sulaymaniyah, Iraq
| | - Arass Jalal Noori
- Department of Pedodontics and Community Oral Health, College of Dentistry, University of Sulaimani, Sulaymaniyah, Iraq
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Pooja YS, Rajana N, Yadav R, Naraharisetti LT, Godugu C, Mehra NK. Design, development, and evaluation of CDK-4/6 inhibitor loaded 4-carboxy phenyl boronic acid conjugated pH-sensitive chitosan lecithin nanoparticles in the management of breast cancer. Int J Biol Macromol 2024; 258:128821. [PMID: 38110163 DOI: 10.1016/j.ijbiomac.2023.128821] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/17/2023] [Accepted: 12/13/2023] [Indexed: 12/20/2023]
Abstract
Our main aim to design and develop a novel 4-carboxy phenyl boronic acid (4-CPBA) conjugated Palbociclib (PALB) loaded pH-sensitive chitosan lipid nanoparticles (PPCL) to enhance the anti-cancer efficacy of the PALB in in-vitro cell line studies by loading into 4-CPBA conjugated chitosan lipid nanoparticles. 4-CPBA was conjugated to chitosan by carbodiimide chemistry and formation of conjugate was confirmed by 1HNMR, ATR-FTIR spectroscopic techniques. Ionic-gelation method was used for the fabrication of PPCL and particles size, PDI, zeta potential were found to be 226.5 ± 4.3 nm, 0.271 ± 0.014 and 5.03 ± 0.42 mV. Presence of pH-sensitive biological macromolecule i.e. chitosan in the carrier system provides pH-sensitivity to PPCL and sustainedly released the drug upto 144 h. The PPCL exhibited approximately 7.2, 6.6, and 5-fold reduction in IC50 values than PALB in MCF-7, MDA-MB-231 and 4T1 cells. Receptor blocking assay concluded that the fabricated nanoparticles were internalized into MCF-7 cells might be through sialic acid-mediated endocytosis. PPCL caused extensive mitochondrial depolarization, enhanced ROS generation, apoptosis (DAPI nuclear staining, acridine orange/ ethidium bromide dual staining), and reduced % cell migration than pure PALB. It was concluded that the hybrid lipid-polymer nanoparticles provides an optimistic approach for the treatment of breast cancer.
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Affiliation(s)
- Yeruva Sri Pooja
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Naveen Rajana
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Rati Yadav
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Lakshmi Tulasi Naraharisetti
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Chandraiah Godugu
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Neelesh Kumar Mehra
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India.
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6
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Bocca B, Battistini B. Biomarkers of exposure and effect in human biomonitoring of metal-based nanomaterials: their use in primary prevention and health surveillance. Nanotoxicology 2024; 18:1-35. [PMID: 38436298 DOI: 10.1080/17435390.2023.2301692] [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: 09/24/2023] [Accepted: 12/28/2023] [Indexed: 03/05/2024]
Abstract
Metal-based nanomaterials (MNMs) have gained particular interest in nanotechnology industry. They are used in various industrial processes, in biomedical applications or to improve functional properties of several consumer products. The widescale use of MNMs in the global consumer market has resulted in increases in the likelihood of exposure and risks to human beings. Human exposure to MNMs and assessment of their potential health effects through the concomitant application of biomarkers of exposure and effect of the most commonly used MNMs were reviewed in this paper. In particular, interactions of MNMs with biological systems and the nanobiomonitoring as a prevention tool to detect the early damage caused by MNMs as well as related topics like the influence of some physicochemical features of MNMs and availability of analytical approaches for MNMs testing in human samples were summarized in this review. The studies collected and discussed seek to increase the current knowledge on the internal dose exposure and health effects of MNMs, highlighting the advantages in using biomarkers in primary prevention and health surveillance.
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Affiliation(s)
- Beatrice Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Beatrice Battistini
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
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Ghafghazi L, Taghavi L, Rasekh B, Farahani H, Hassani AH. Application of compost assisted by Fe 3O 4 nanoparticles in di (2-ethylhexyl) phthalate-contaminated soil remediation: Biostimulation strategy, Soil responses, and RSM/CCD Optimization. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168029. [PMID: 37898188 DOI: 10.1016/j.scitotenv.2023.168029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/01/2023] [Accepted: 10/20/2023] [Indexed: 10/30/2023]
Abstract
Globally, contamination of agricultural soils by phthalate esters (PAEs) caused by direct consumption of plastic mulch films has been confirmed. The most widely used plasticizer is di (2-ethylhexyl) phthalate (DEHP), which is a more recalcitrant endocrine-disrupting chemical (EDC). Because of its low solubility and hydrophobicity, it remains in the soil longer, causes bioaccumulation in agricultural products, and has negative repercussions for food safety. In this study, the performance of kitchen organic waste compost assisted by Fe3O4 nanoparticles in DEHP removal efficiency (%) and soil C:N ratio (two responses) was optimized using Response Surface Methodology (RSM) based on Central Composite Design (CCD) in Design-Expert software (11.0.3.0). Under optimum conditions, a DEHP concentration of 10 mg·kg-1 (dw soil), a retention time of 35 days, an NPs dose of 0.99 g·kg-1 (media), a removal efficiency of 91.6 %, and a soil C:N ratio of 10.5 with a desirability of 0.963 were determined. A quadratic model (P-value <0.0001, adjusted R2 = 0.974 (Y1), 0.943 (Y2)) was used to predict the variables and their interactions. The agricultural soil responses in the treatments amended by compost and Fe3O4 NPs (SCN) showed a significant increase in SOM, TC, TN, AP, K, and Fe nutrients when compared to the control (P < 0.05). After 35 days, in the SC1N3 treatment (DEHP concentration = 10 mg·kg-1, NPs dose =1.2 g·kg-1), with higher DEHP removal efficiency (89.57 %), the C:N:P ratio was equal to 100: 9.75:0.69, and the total microbial colony count was 3.6 × 109 CFU/ml at pH 7.45. The study found that compost nutrients and Fe-based nanoparticle micronutrients can enhance DEHP degradation by stimulating the soil's native microflora. As a result, the synergistic potential of compost and Fe3O4 nanoparticles can be considered a promising, cost-effective, and agri-environmentally friendly approach in the "assisted bioremediation" strategy of DEHP-contaminated soils.
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Affiliation(s)
- Laleh Ghafghazi
- Department of Environmental Science and Forest, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University (SRBIAU), P. O. Box 14515-775, Tehran, Iran
| | - Lobat Taghavi
- Department of Environmental Science and Forest, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University (SRBIAU), P. O. Box 14515-775, Tehran, Iran.
| | - Behnam Rasekh
- Environment & Biotechnology Division, Research Institute of Petroleum Industry (RIPI), P. O. Box: 14665-137, Tehran, Iran
| | - Hadi Farahani
- Research Institute of Petroleum Industry (RIPI), P. O. Box 1485733111, Tehran, Iran
| | - Amir Hessam Hassani
- Department of Environmental Engineering, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran
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8
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Khort A, Chang T, Hua J, Blomberg E, Cedervall T, Odnevall I. Eco-corona-mediated transformation of nano-sized Y 2O 3 in simulated freshwater: A short-term study. NANOIMPACT 2024; 33:100490. [PMID: 38159885 DOI: 10.1016/j.impact.2023.100490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
The use of metal and metal oxide nanomaterials (NMs) is experiencing a significant surge in popularity due to their distinctive structures and properties, making them highly attractive for a wide range of applications. This increases the risks of their potential negative impact on organisms if dispersed into the environment. Information about their behavior and transformation upon environmental interactions in aquatic settings is limited. In this study, the influence of naturally excreted biomolecules from the zooplankton Daphnia magna on nanosized Y2O3 of different concentrations was systematically examined in synthetic freshwater in terms of adsorption and eco-corona formation, colloidal stability, transformation, dissolution, and ecotoxicity towards D. magna. The formation of an eco-corona on the surface of the Y2O3 NMs leads to improved colloidal stability and a reduced extent of dissolution. Exposure to the Y2O3 NMs lowered the survival probability of D. magna considerably. The ecotoxic potency was slightly reduced by the formation of the eco-corona, though shown to be particle concentration-specific. Overall, the results highlight the importance of systematic mechanistic and fundamental studies of factors that can affect the environmental fate and ecotoxic potency of NMs.
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Affiliation(s)
- Alexander Khort
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden.
| | - Tingru Chang
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
| | - Jing Hua
- Department of Biochemistry and Structural Biology, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden; NanoLund, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - Eva Blomberg
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
| | - Tommy Cedervall
- Department of Biochemistry and Structural Biology, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden; NanoLund, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - Inger Odnevall
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden; AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska, Institutet and KTH Royal Institute of Technology, Stockholm, Sweden; Karolinska Institutet, Department of Neuroscience, SE-171 77 Stockholm, Sweden.
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9
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Kessler A, Huang P, Blomberg E, Odnevall I. Unravelling the Mechanistic Understanding of Metal Nanoparticle-Induced Reactive Oxygen Species Formation: Insights from a Cu Nanoparticle Study. Chem Res Toxicol 2023; 36:1891-1900. [PMID: 37948660 PMCID: PMC10731636 DOI: 10.1021/acs.chemrestox.3c00177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023]
Abstract
Humans can be exposed to engineered and nonintentionally formed metal and metal oxide nanoparticles (Me NPs) in occupational settings, in public transportation areas, or by means of contact with different consumer products. A critical factor in the toxic potency of Me NPs is their ability to induce oxidative stress. It is thus essential to assess the potential reactive oxygen species (ROS) formation properties of Me NPs. A common way to assess the relative extent of ROS formation in vitro is to use fluorescence spectroscopy with the DCFH-DA (2',7'-dichlorofluorescein diacetate) probe, with and without HRP (horseradish peroxidase). However, this method does not provide any information about specific ROS species or reaction mechanisms. This study investigated the possibility of using complementary techniques to obtain more specific information about formed ROS species, both the type and reaction mechanisms. Cu NPs in PBS (phosphate buffered saline) were chosen as a test system to have the simplest (least interference from other components) aqueous solution with a physiologically relevant pH. ROS formation was assessed using fluorescence by means of the DCFH-DA method (information on relative amounts of oxygen radicals without selectivity), the Ghormley's triiodide method using UV-vis spectrophotometry (concentrations of H2O2), and electron paramagnetic resonance with DMPO as the spin-trap agent (information on specific oxygen radicals). This approach elucidates that Cu NPs undergo ROS-generating corrosion reactions, which previously have not been assessed in situ. In the presence of H2O2, and based on the type of oxygen radical formed, it was concluded that released copper participates in Haber-Weiss and/or Fenton reactions rather than in Fenton-like reactions. The new combination of techniques used to determine ROS induced by Me NPs provides a way forward to gain a mechanistic understanding of Me NP-induced ROS formation, which is important for gaining crucial insight into their ability to induce oxidative stress.
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Affiliation(s)
- Amanda Kessler
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, SE-100 44 Stockholm, Sweden
| | - Ping Huang
- Department
of Chemistry − Ångström Laboratory, Uppsala University, Box 523, SE-751 20 Uppsala, Sweden
| | - Eva Blomberg
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, SE-100 44 Stockholm, Sweden
| | - Inger Odnevall
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, SE-100 44 Stockholm, Sweden
- AIMES−Center
for the Advancement of Integrated Medical and Engineering Sciences
at Karolinska Institute and KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Department
of Neuroscience, Karolinska Institute, SE-171 77 Stockholm, Sweden
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10
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Simões A, Castro RAE, Veiga F, Vitorino C. A quality by design framework for developing nanocrystal bioenabling formulations. Int J Pharm 2023; 646:123393. [PMID: 37717717 DOI: 10.1016/j.ijpharm.2023.123393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/23/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023]
Abstract
The present study aims to outline a rational framework for the design and development of a 1.0% (w/v) hydrocortisone nanocrystal-based formulation, resorting to a simple, efficient, and scalable nanonization methodology, based on the high-pressure homogenization (HPH) technique. Accordingly, the innovative product was comprehensively optimized following a Quality by Design (QbD) approach. The thorough selection of formulation composition was driven by a dual purpose: improving skin permeation and stability. In the early stage of development, a Failure Mode, Effects and Criticality Analysis (FMECA) diagram was employed to identify the most impactful variables for the critical quality attributes (CQAs). In this sense, a rotatable, three-factor and five-level circumscribed central composite design (CCCD) was applied to investigate how squalene concentration (x1), soluplus concentration (x2) and HPH-time (x3) influence physicochemical properties, performance and physical stability of the formulation. A robust Design Space (DS) was defined, establishing the optimal settings for the critical variables, whose combination meets the requirements set in the quality target product profile (QTPP). Morphological analysis revealed the cuboidal shape of hydrocortisone nanocrystals. In what concerns colloidal properties, the most promising formulation disclosed a small particle size (Dx(50) = 311.8 ± 1.5 nm), along with narrow size distribution (span value = 1.91 ± 0.17). Zeta potential results (-2.19 ± 0.15 mV--12.1 ± 0.4 mV) suggested a steric hindrance stabilization. FTIR spectra showed no chemical interactions between drug and formulation components. XRD diffractograms confirmed loss of crystallinity during the downsizing process. In vitro studies revealed an improvement on drug release rate (316 ± 21-516 ± 35 μg/cm2/√t), compared to the coarse suspension and commercial products, and a straight dependence on the stabilizer concentration and HPH time. The permeation flux across the skin (0.16 ± 0.02-1.2 ± 0.5 μg/cm2/h) appeared to be dependent on the drug physicochemical properties, in particular saturation solubility. Further characterization of the experimental formulations pointed out the role of the stabilizing component to prevent against physical instability phenomena. This organic solvent-free, and therefore "green" nanocrystal production technology offers great potential for pharmaceutical R&D and drug delivery by enabling the development of new forms of conventional drugs with optimal physicochemical properties and performance.
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Affiliation(s)
- Ana Simões
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV/REQUIMTE), Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Ricardo A E Castro
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Coimbra Chemistry Centre, Institute of Molecular Sciences - IMS, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
| | - Francisco Veiga
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV/REQUIMTE), Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Coimbra Chemistry Centre, Institute of Molecular Sciences - IMS, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
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11
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Nugroho RWN, Tardy BL, Eldin SM, Ilyas RA, Mahardika M, Masruchin N. Controlling the critical parameters of ultrasonication to affect the dispersion state, isolation, and chiral nematic assembly of cellulose nanocrystals. ULTRASONICS SONOCHEMISTRY 2023; 99:106581. [PMID: 37690260 PMCID: PMC10498310 DOI: 10.1016/j.ultsonch.2023.106581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/09/2023] [Accepted: 08/30/2023] [Indexed: 09/12/2023]
Abstract
Cellulose nanocrystals (CNCs) are typically extracted from plants and present a range of opto-mechanical properties that warrant their use for the fabrication of sustainable materials. While their commercialization is ongoing, their sustainable extraction at large scale is still being optimized. Ultrasonication is a well-established and routinely used technology for (re-) dispersing and/or isolating plant-based CNCs without the need for additional reagents or chemical processes. Several critical ultrasonication parameters, such as time, amplitude, and energy input, play dominant roles in reducing the particle size and altering the morphology of CNCs. Interestingly, this technology can be coupled with other methods to generate moderate and high yields of CNCs. Besides, the ultrasonics treatment also has a significant impact on the dispersion state and the surface chemistry of CNCs. Accordingly, their ability to self-assemble into liquid crystals and subsequent superstructures can, for example, imbue materials with finely tuned structural colors. This article gives an overview of the primary functions arising from the ultrasonication parameters for stabilizing CNCs, producing CNCs in combination with other promising methods, and highlighting examples where the design of photonic materials using nanocrystal-based celluloses is substantially impacted.
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Affiliation(s)
- Robertus Wahyu N Nugroho
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Cibinong 16911, Indonesia; Collaborative Research Center for Nanocellulose between BRIN and Andalas University, Padang 25163, Indonesia.
| | - Blaise L Tardy
- Khalifa University, Department of Chemical Engineering, Abu Dhabi, United Arab Emirates; Research and Innovation Center on CO(2) and Hydrogen, Khalifa University, Abu Dhabi, United Arab Emirates.
| | - Sayed M Eldin
- Center of Research, Faculty of Engineering, Future University in Egypt, New Cairo 11835, Egypt.
| | - R A Ilyas
- Department of Chemical Engineering, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia (UTM), Johor 81310, Malaysia; Center for Advanced Composite Materials, Universiti Teknologi Malaysia (UTM), Johor 81310, Malaysia; Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia; Center of Excellence for Biomass Utilization, Universiti Malaysia Perlis, Arau 02600, Malaysia.
| | - Melbi Mahardika
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Cibinong 16911, Indonesia; Collaborative Research Center for Nanocellulose between BRIN and Andalas University, Padang 25163, Indonesia
| | - Nanang Masruchin
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Cibinong 16911, Indonesia; Collaborative Research Center for Nanocellulose between BRIN and Andalas University, Padang 25163, Indonesia
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12
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Badran MM, Alanazi AE, Ibrahim MA, Alshora DH, Taha E, H. Alomrani A. Optimization of Bromocriptine-Mesylate-Loaded Polycaprolactone Nanoparticles Coated with Chitosan for Nose-to-Brain Delivery: In Vitro and In Vivo Studies. Polymers (Basel) 2023; 15:3890. [PMID: 37835942 PMCID: PMC10574927 DOI: 10.3390/polym15193890] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/14/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Bromocriptine mesylate (BM), primarily ergocryptine, is a dopamine agonist derived from ergot alkaloids. This study aimed to formulate chitosan (CS)-coated poly ε-caprolactone nanoparticles (PCL NPs) loaded with BM for direct targeting to the brain via the nasal route. PCL NPs were optimized using response surface methodology and a Box-Behnken factorial design. Independent formulation parameters for nanoparticle attributes, including PCL payload (A), D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) concentration (B), and sonication time (C), were investigated. The dependent variables were nanoparticle size (Y1), zeta potential (Y2), entrapment efficiency (EE; Y3), and drug release rate (Y4). The optimal formulation for BM-PCL NPs was determined to be 50 mg PCL load, 0.0865% TPGS concentration, and 8 min sonication time, resulting in nanoparticles with a size of 296 ± 2.9 nm having a zeta potential of -16.2 ± 3.8 mV, an EE of 90.7 ± 1.9%, and a zero-order release rate of 2.6 ± 1.3%/min. The optimized BM-PCL NPs were then coated with CS at varying concentrations (0.25, 0.5, and 1%) to enhance their effect. The CS-PCL NPs exhibited different particle sizes and zeta potentials depending on the CS concentration used. The highest EE (88%) and drug load (DL; 5.5%) were observed for the optimized BM-CS-PCL NPs coated with 0.25% CS. The BM-CS-PCL NPs displayed a biphasic release pattern, with an initial rapid drug release lasting for 2 h, followed by a sustained release for up to 48 h. The 0.25% CS-coated BM-CS-PCL NPs showed a high level of permeation across the goat nasal mucosa, with reasonable mucoadhesive strength. These findings suggested that the optimized 0.25% CS-coated BM-CS-PCL NPs hold promise for successful nasal delivery, thereby improving the therapeutic efficacy of BM.
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Affiliation(s)
- Mohamed M. Badran
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (M.M.B.); (E.T.); (A.H.A.)
| | - Abdulrahman E. Alanazi
- Kayyali Chair for Pharmaceutical Industries, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (A.E.A.); (D.H.A.)
| | - Mohamed Abbas Ibrahim
- Kayyali Chair for Pharmaceutical Industries, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (A.E.A.); (D.H.A.)
| | - Doaa Hasan Alshora
- Kayyali Chair for Pharmaceutical Industries, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (A.E.A.); (D.H.A.)
| | - Ehab Taha
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (M.M.B.); (E.T.); (A.H.A.)
| | - Abdullah H. Alomrani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (M.M.B.); (E.T.); (A.H.A.)
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13
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Khamkure S, Gamero-Melo P, Garrido-Hoyos SE, Reyes-Rosas A, Pacheco-Catalán DE, López-Martínez AM. The Development of Fe 3O 4-Monolithic Resorcinol-Formaldehyde Carbon Xerogels Using Ultrasonic-Assisted Synthesis for Arsenic Removal of Drinking Water. Gels 2023; 9:618. [PMID: 37623073 PMCID: PMC10454176 DOI: 10.3390/gels9080618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
Inorganic arsenic in drinking water from groundwater sources is one of the potential causes of arsenic-contaminated environments, and it is highly toxic to human health even at low concentrations. The purpose of this study was to develop a magnetic adsorbent capable of removing arsenic from water. Fe3O4-monolithic resorcinol-formaldehyde carbon xerogels are a type of porous material that forms when resorcinol and formaldehyde (RF) react to form a polymer network, which is then cross-linked with magnetite. Sonication-assisted direct and indirect methods were investigated for loading Fe3O4 and achieving optimal mixing and dispersion of Fe3O4 in the RF solution. Variations of the molar ratios of the catalyst (R/C = 50, 100, 150, and 200), water (R/W = 0.04 and 0.05), and Fe3O4 (M/R = 0.01, 0.03, 0.05, 0.1, 0.15, and 0.2), and thermal treatment were applied to evaluate their textural properties and adsorption capacities. Magnetic carbon xerogel monoliths (MXRF600) using indirect sonication were pyrolyzed at 600 °C for 6 h with a nitrogen gas flow in the tube furnace. Nanoporous carbon xerogels with a high surface area (292 m2/g) and magnetic properties were obtained. The maximum monolayer adsorption capacity of As(III) and As(V) was 694.3 µg/g and 1720.3 µg/g, respectively. The incorporation of magnetite in the xerogel structure was physical, without participation in the polycondensation reaction, as confirmed by XRD, FTIR, and SEM analysis. Therefore, Fe3O4-monolithic resorcinol-formaldehyde carbon xerogels were developed as a potential adsorbent for the effective removal of arsenic with low and high ranges of As(III) and As(V) concentrations from groundwater.
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Affiliation(s)
- Sasirot Khamkure
- Postgraduate Department, CONAHCYT-Mexican Institute of Water Technology, Jiutepec 62550, Mexico
| | - Prócoro Gamero-Melo
- Sustainability of Natural Resources and Energy, Cinvestav Saltillo, Ramos Arizpe 25900, Mexico; (P.G.-M.); (A.M.L.-M.)
| | | | - Audberto Reyes-Rosas
- Department of Bioscience and Agrotechnology, Research Center of Applied Chemistry, Saltillo 25294, Mexico;
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14
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Kelpsiene E, Chang T, Khort A, Bernfur K, Odnevall I, Cedervall T, Hua J. The effect of natural biomolecules on yttrium oxide nanoparticles from a Daphnia magna survival rate perspective. Nanotoxicology 2023:1-15. [PMID: 37428876 DOI: 10.1080/17435390.2023.2226712] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/02/2023] [Accepted: 06/13/2023] [Indexed: 07/12/2023]
Abstract
The attention to rare earth oxide nanoparticles (NPs), including yttrium oxide (Y2O3), has increased in many fields due to their unique structural characteristics and functional properties. The aim of our study was to investigate the mechanisms by which bio-corona formation on Y2O3 NPs affects their environmental fate and toxicity. The Y2O3 NPs induced toxicity to freshwater filter feeder Daphnia magna at particle concentrations of 1 and 10 mg/L, regardless of particle size. Interactions between naturally excreted biomolecules (e.g. protein, lipids, and polysaccharides) derived from D. magna, and the Y2O3 NPs (30-45 nm) resulted in the formation of an eco-corona, which reduced their toxic effects toward D. magna at a particle concentration of 10 mg/L. No effects were observed at lower concentrations or for the other particle sizes investigated. Copper-zinc (Cu-Zn) superoxide dismutase, apolipophorins, and vitellogenin-1 proteins proved to be the most prominent proteins of the adsorbed corona, and possibly a reason for the reduced toxicity of the 30-45 nm Y2O3 NPs toward D. magna.
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Affiliation(s)
- Egle Kelpsiene
- Department of Biochemistry and Structural Biology, Lund University, Lund University, Lund, Sweden
- NanoLund, Lund University, Lund, Sweden
| | - Tingru Chang
- Division of Surface and Corrosion Science, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Aliaksandr Khort
- Division of Surface and Corrosion Science, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Katja Bernfur
- Department of Biochemistry and Structural Biology, Lund University, Lund University, Lund, Sweden
| | - Inger Odnevall
- Division of Surface and Corrosion Science, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Tommy Cedervall
- Department of Biochemistry and Structural Biology, Lund University, Lund University, Lund, Sweden
- NanoLund, Lund University, Lund, Sweden
| | - Jing Hua
- Department of Biochemistry and Structural Biology, Lund University, Lund University, Lund, Sweden
- NanoLund, Lund University, Lund, Sweden
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15
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Chang T, Khort A, Saeed A, Blomberg E, Nielsen MB, Hansen SF, Odnevall I. Effects of interactions between natural organic matter and aquatic organism degradation products on the transformation and dissolution of cobalt and nickel-based nanoparticles in synthetic freshwater. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130586. [PMID: 37055991 DOI: 10.1016/j.jhazmat.2022.130586] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 06/19/2023]
Abstract
Expanding applications and production of engineered nanoparticles lead to an increased risk for their environmental dispersion. Systematic knowledge of surface transformation and dissolution of nanoparticles is essential for risk assessment and regulation establishment. Such aspects of Co- and Ni-based nanoparticles including metals, oxides, and solution combustion synthesized metal nanoparticles (metal cores with carbon shells) were investigated upon environmental interaction with organic matter, simulated by natural organic matter (NOM) and degradation products from zooplankton and algae (eco-corona biomolecules, EC) in freshwater (FW). The presence of NOM and EC in FW results in negative surface charges of the nanoparticles reduces the extent of nanoparticles agglomeration, and increases concentration, mainly due to the surface adsorption of carboxylate groups of the organic matter. The dissolution of the Co-based nanoparticles was for all conditions (FW, FW with NOM or EC) higher than the Ni-based, except for Co3O4 being nearly non-soluble. The surface transformation and dissolution of nanoparticles are highly exposure and time-dependent, and surface- and environment specific. Therefore, no general correlation was observed between dissolution and, particle types, surface conditions, or EC/NOM adsorption. This underlines the importance of thorough investigations of nanoparticles adsorption/desorption, degradation, and exposure scenarios for developing regulatory relevant protocols and guidelines.
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Affiliation(s)
- Tingru Chang
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Teknikringen 29, SE-100 44 Stockholm, Sweden
| | - Alexander Khort
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Teknikringen 29, SE-100 44 Stockholm, Sweden
| | - Anher Saeed
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Teknikringen 29, SE-100 44 Stockholm, Sweden
| | - Eva Blomberg
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Teknikringen 29, SE-100 44 Stockholm, Sweden
| | - Maria Bille Nielsen
- Department of Environmental and Resource Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Steffen Foss Hansen
- Department of Environmental and Resource Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Inger Odnevall
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Teknikringen 29, SE-100 44 Stockholm, Sweden; AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska, Institutet and KTH Royal Institute of Technology, Stockholm, Sweden; Karolinska Institutet, Department of Neuroscience, SE-171 77 Stockholm, Sweden.
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16
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Ruijter N, Soeteman-Hernández LG, Carrière M, Boyles M, McLean P, Catalán J, Katsumiti A, Cabellos J, Delpivo C, Sánchez Jiménez A, Candalija A, Rodríguez-Llopis I, Vázquez-Campos S, Cassee FR, Braakhuis H. The State of the Art and Challenges of In Vitro Methods for Human Hazard Assessment of Nanomaterials in the Context of Safe-by-Design. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:472. [PMID: 36770432 PMCID: PMC9920318 DOI: 10.3390/nano13030472] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
The Safe-by-Design (SbD) concept aims to facilitate the development of safer materials/products, safer production, and safer use and end-of-life by performing timely SbD interventions to reduce hazard, exposure, or both. Early hazard screening is a crucial first step in this process. In this review, for the first time, commonly used in vitro assays are evaluated for their suitability for SbD hazard testing of nanomaterials (NMs). The goal of SbD hazard testing is identifying hazard warnings in the early stages of innovation. For this purpose, assays should be simple, cost-effective, predictive, robust, and compatible. For several toxicological endpoints, there are indications that commonly used in vitro assays are able to predict hazard warnings. In addition to the evaluation of assays, this review provides insights into the effects of the choice of cell type, exposure and dispersion protocol, and the (in)accurate determination of dose delivered to cells on predictivity. Furthermore, compatibility of assays with challenging advanced materials and NMs released from nano-enabled products (NEPs) during the lifecycle is assessed, as these aspects are crucial for SbD hazard testing. To conclude, hazard screening of NMs is complex and joint efforts between innovators, scientists, and regulators are needed to further improve SbD hazard testing.
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Affiliation(s)
- Nienke Ruijter
- National Institute for Public Health & the Environment (RIVM), 3721 MA Bilthoven, The Netherlands
| | | | - Marie Carrière
- Univ. Grenoble-Alpes, CEA, CNRS, SyMMES-CIBEST, 17 rue des Martyrs, 38000 Grenoble, France
| | - Matthew Boyles
- Institute of Occupational Medicine (IOM), Edinburgh EH14 4AP, UK
| | - Polly McLean
- Institute of Occupational Medicine (IOM), Edinburgh EH14 4AP, UK
| | - Julia Catalán
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
- Department of Anatomy, Embryology and Genetics, University of Zaragoza, 50013 Zaragoza, Spain
| | - Alberto Katsumiti
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), 48170 Zamudio, Spain
| | | | | | | | | | - Isabel Rodríguez-Llopis
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), 48170 Zamudio, Spain
| | | | - Flemming R. Cassee
- National Institute for Public Health & the Environment (RIVM), 3721 MA Bilthoven, The Netherlands
- Institute for Risk Assessment Sciences (IRAS), Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Hedwig Braakhuis
- National Institute for Public Health & the Environment (RIVM), 3721 MA Bilthoven, The Netherlands
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17
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Ming HP, Chan CY, Mutalik S, Younas MW, Pragya A, Noor N. Sonochemical Routes to Superhydrophobic Soft Matter Coatings: Comparing Silica and Copper Oxide Coatings on Polyester Fabric. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Hung Pak Ming
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
| | - Cheuk Ying Chan
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
| | - Suhas Mutalik
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
| | - Muhammad Waseem Younas
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
| | - Akanksha Pragya
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
| | - Nuruzzaman Noor
- School of Fashion and Textiles, Materials Synthesis and Processing Lab, The Hong Kong Polytechnic University, Hung Hom, Kowloon999077, Hong Kong SAR
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18
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A weight of evidence review of the genotoxicity of titanium dioxide (TiO2). Regul Toxicol Pharmacol 2022; 136:105263. [DOI: 10.1016/j.yrtph.2022.105263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 09/10/2022] [Indexed: 11/06/2022]
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19
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Microbial community shifts induced by plastic and zinc as substitutes of tire abrasion. Sci Rep 2022; 12:18684. [PMID: 36333419 PMCID: PMC9636222 DOI: 10.1038/s41598-022-22906-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
Aquatic environments serve as a sink for anthropogenic discharges. A significant part of the discharge is tire wear, which is increasingly being released into the environment, causing environmental disasters due to their longevity and the large number of pollutants they contain. Main components of tires are plastic and zinc, which therefore can be used as substitutes for tire abrasion to study the effect on microbial life. We investigate environmentally realistic concentrations of plastic and zinc on a freshwater microeukaryotic community using high-throughput sequencing of the 18S V9 region over a 14-day exposure period. Apart from a generally unchanged diversity upon exposure to zinc and nanoplastics, a change in community structure due to zinc is evident, but not due to nanoplastics. Evidently, nanoplastic particles hardly affect the community, but zinc exposure results in drastic functional abundance shifts concerning the trophic mode. Phototrophic microorganisms were almost completely diminished initially, but photosynthesis recovered. However, the dominant taxa performing photosynthesis changed from bacillariophytes to chlorophytes. While phototrophic organisms are decreasing in the presence of zinc, the mixotrophic fraction initially benefitted and the heterotrophic fraction were benefitting throughout the exposure period. In contrast to lasting changes in taxon composition, the functional community composition is initially strongly imbalanced after application of zinc but returns to the original state.
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20
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Eita AS, Makky AM, Anter A, Khalil IA. Atorvastatin-loaded emulsomes foam as a topical antifungal formulation. Int J Pharm X 2022; 4:100140. [DOI: 10.1016/j.ijpx.2022.100140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/10/2022] [Accepted: 11/19/2022] [Indexed: 11/22/2022] Open
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21
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Larichev YV. Extended Possibilities of Analysis for Supported Metal Catalysts and Nanocomposites by Dynamic Light Scattering. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s002315842205007x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Glaubitz C, Rothen-Rutishauser B, Lattuada M, Balog S, Petri-Fink A. Designing the ultrasonic treatment of nanoparticle-dispersions via machine learning. NANOSCALE 2022; 14:12940-12950. [PMID: 36043853 PMCID: PMC9477382 DOI: 10.1039/d2nr03240f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Ultrasonication is a widely used and standardized method to redisperse nanopowders in liquids and to homogenize nanoparticle dispersions. One goal of sonication is to disrupt agglomerates without changing the intrinsic physicochemical properties of the primary particles. The outcome of sonication, however, is most of the time uncertain, and quantitative models have been beyond reach. The magnitude of this problem is considerable owing to fact that the efficiency of sonication is not only dependent on the parameters of the actual device, but also on the physicochemical properties such as of the particle dispersion itself. As a consequence, sonication suffers from poor reproducibility. To tackle this problem, we propose to involve machine learning. By focusing on four nanoparticle types in aqueous dispersions, we combine supervised machine learning and dynamic light scattering to analyze the aggregate size after sonication, and demonstrate the potential to improve considerably the design and reproducibility of sonication experiments.
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Affiliation(s)
- Christina Glaubitz
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
| | | | - Marco Lattuada
- Chemistry Department, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
| | - Sandor Balog
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
- Chemistry Department, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
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23
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Icten O, Erdem Tuncdemir B, Mergen H. Design and Development of Gold-Loaded and Boron-Attached Multicore Manganese Ferrite Nanoparticles as a Potential Agent in Biomedical Applications. ACS OMEGA 2022; 7:20195-20203. [PMID: 35721900 PMCID: PMC9201883 DOI: 10.1021/acsomega.2c02074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Early diagnosis and effective treatment of cancer are significant issues that should be focused on since it is one of the most deadly diseases. Multifunctional nanomaterials can offer new cancer diagnoses and treatment possibilities. These nanomaterials with diverse functions, including targeting, imaging, and therapy, are being studied extensively in a way that minimize overcoming the limitations associated with traditional cancer diagnosis and treatment. Therefore, the goal of this study is to prepare multifunctional nanocomposites possessing the potential to be used simultaneously in imaging such as magnetic resonance imaging (MRI) and dual cancer therapy such as photothermal therapy (PTT) and boron neutron capture therapy (BNCT). In this context, multi-core MnFe2O4 nanoparticles, which can be used as a potential MRI contrast agent and target the desired region in the body via a magnetic field, were successfully synthesized via the solvothermal method. Then, multi-core nanoparticles were coated with polydopamine (PDA) to reduce gold nanoparticles, bind boron on the surface, and ensure the biocompatibility of all materials. Finally, gold nanoparticles were reduced on the surface of PDA-coated MnFe2O4, and boric acid was attached to the hybrid materials for also possessing the ability to be used as a potential agent in PTT and BNCT applications in addition to being an MRI agent. According to the cell viability assay, treatment of the glioblastoma cell line (T98G) with MnFe2O4@PDA-Au-BA for 24 and 48 h did not cause any significant cell death, indicating good biocompatibility. All analysis results showed that the developed MnFe2O4@PDA-Au-BA multifunctional material could be a helpful candidate for biomedical applications such as MRI, PTT, and BNCT.
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Affiliation(s)
- Okan Icten
- Department
of Chemistry, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
| | - Beril Erdem Tuncdemir
- Department
of Biology, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
| | - Hatice Mergen
- Department
of Biology, Faculty of Science, Hacettepe
University, Ankara 06800, Turkey
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24
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Lasseuguette E, Fielder-Dunton L, Jian Q, Ferrari MC. The Effect of Solution Casting Temperature and Ultrasound Treatment on PEBAX MH-1657/ZIF-8 Mixed Matrix Membranes Morphology and Performance. MEMBRANES 2022; 12:membranes12060584. [PMID: 35736290 PMCID: PMC9228675 DOI: 10.3390/membranes12060584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 02/01/2023]
Abstract
Approximately two-thirds of anthropogenic emissions causing global warming are from carbon dioxide. Carbon capture is essential, with membranes proving to be a low cost and energy-efficient solution to alternative technologies. In particular, mixed matrix membranes (MMMs) can have higher permeability and selectivity than pure polymer membranes. The fabrication conditions affect the formation of defects within the membranes. In this work, MMMs were created using a PEBAX MH-1657 polymer and a ZIF-8 filler. The effect of casting plate temperature, varying from −5 °C to 50 °C, and the effect of ultrasound treatment time (80–400 min) and method (filler solution only, filler and polymer combined solution only and filler solution followed by combined solution) were investigated, aiming to reduce defect formations hence improving the performance of the MMMs. SEM images and permeation tests using pure CO2 and N2 gas, replicating flue gas for carbon capture, were used to investigate and compare the membranes morphology and performance. The results indicated that the MMMs maintained their permeabilities and selectivities at all tested casting temperatures. However, the neat PEBAX membranes demonstrated increased phase separation of the polyamide and polyether oxide phases at higher temperatures, causing a reduction in permeability due to the higher crystallinity degree, confirmed by DSC experiment. The MMMs fabricated at low ultrasound times displayed a large amount of aggregation with large particle size causing channeling. At high ultrasound times, a well-dispersed filler with small filler diameters was observed, providing a high membrane performance. Overall, defect-free membranes were successfully fabricated, leading to improved performance, with the best membrane resulting from the longest ultrasound time reaching the Robeson bound upper limits.
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Affiliation(s)
- Elsa Lasseuguette
- School of Engineering, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK; (E.L.); (L.F.-D.)
| | - Louise Fielder-Dunton
- School of Engineering, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK; (E.L.); (L.F.-D.)
| | - Qian Jian
- EaSTCHEM School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK;
| | - Maria-Chiara Ferrari
- School of Engineering, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, UK; (E.L.); (L.F.-D.)
- Correspondence:
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25
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A review on application of nanoparticles in cEOR: Performance, mechanisms, and influencing parameters. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118821] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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26
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Experimental investigation of GO-HPAM and SiO2-HPAM composite for cEOR: Rheology, interfacial tension reduction, and wettability alteration. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128189] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Utembe W, Tlotleng N, Kamng'ona AW. A systematic review on the effects of nanomaterials on gut microbiota. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100118. [PMID: 35909630 PMCID: PMC9325792 DOI: 10.1016/j.crmicr.2022.100118] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nanomaterials have been shown to affect gut microbiota (GM) both in vivo and in vitro. The effects have been shown to depend on size, dose, dose duration and functional groups. In general, more studies seem to indicate dose-dependent adverse effects of NMs towards GM. Standardized protocols are needed for characterization of NMs, dosing, and test systems (both in vitro and in vivo).
Some nanomaterials (NMs) have been shown to possess antimicrobial activity and cause GM dysbiosis. Since NMs are being used widely, a systematic assessment of the effects of NMs on GM is warranted. In this systematic review, a total of 46 in vivo and 22 in vitro studies were retrieved from databases and search engines including Science-Direct, Pubmed and Google scholar. Criteria for assessment of studies included use of in vitro or in vivo studies, characterization of NMs, use of single or multiple doses as well as consistency of results. GM dysbiosis has been studied most widely on TiO2, Ag, Zn-based NMs. There was moderate evidence for GM dysbiosis caused by Zn- and Cu-based NMs, Cu-loaded chitosan NPs and Ag NMs, and anatase TiO2 NPs, as well as low evidence for SWCNTs, nanocellulose, SiO2, Se, nanoplastics, CeO2, MoO3 and graphene-based NMs. Most studies indicate adverse effects of NMs towards GM. However, more work is required to elucidate the differences on the reported effects of NM by type and sex of organisms, size, shape and surface properties of NMs as well as effects of exposure to mixtures of NMs. For consistency and better agreement among studies on GM dysbiosis, there is need for internationally agreed protocols on, inter alia, characterization of NMs, dosing (amounts, frequency and duration), use of sonication, test systems (both in vitro and in vivo), including oxygen levels for in vitro models.
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28
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Khort A, Brookman-Amissah M, Hedberg J, Chang T, Mei N, Lundberg A, Sturve J, Blomberg E, Odnevall I. Influence of natural organic matter on the transformation of metal and metal oxide nanoparticles and their ecotoxic potency in vitro. NANOIMPACT 2022; 25:100386. [PMID: 35559892 DOI: 10.1016/j.impact.2022.100386] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 06/15/2023]
Abstract
Increased use and production of engineered nanoparticles (NPs) lead to an elevated risk of their diffuse dispersion into the aquatic environment and increased concern on unknown effects induced by their release into the aquatic ecosystem. An improved understanding of the environmental transformation processes of NPs of various surface characteristics is hence imperative for risk assessment and management. This study presents results on effects of natural organic matter (NOM) on the environmental transformation and dissolution of metal and metal oxide NPs of different surface and solubility properties in synthetic freshwater (FW) with and without NOM. Adsorption of NOM was evident on most of the studied NPs, except Sb and Sb2O3, which resulted in the formation of negatively charged colloids of higher stability and smaller size distribution compared with the same NPs in FW only. The dissolution rate of the NPs in the presence of NOM correlated with the strength of interactions between the carboxylate group of NOM and the particle surface, and resulted in either no (Mn, Sb, ZnO NPs), increased (Co, Sn NPs) and decreased (Ni, NiO, Sb2O3, Y2O3 NPs) levels of dissolution. One type of metal NP from each group (Mn, Ni, Sn) were investigated to assess whether observed differences in adsorption of NOM and dissolution would influence their ecotoxic potency. The results showed Mn, Ni, and Sn NPs to generate intracellular reactive oxygen species (ROS) in a time and dose-dependent manner. The extent of ROS generation in FW was similar for both Mn and Ni NPs but higher for Sn NPs. These findings are possibly related to interactions and infiltration of the NPs with the cells, which lead to redox imbalances which could induce oxidative stress and cell damage. At the same time, the presence of NOM generally reduced the intracellular ROS generation by 20-40% for the investigated NPs and also reduced cytotoxicity of Sn NPs, which can be attributed to the stronger interaction of carboxylate groups of NOM with the surface of the NPs.
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Affiliation(s)
- Alexander Khort
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden; National University of Science and Technology "MISiS", Research Center of Engineering Ceramic Nanomaterials, Moscow, Russia.
| | | | - Jonas Hedberg
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden; Surface Science Western, The University of Western Ontario, London, Ontario, Canada
| | - Tingru Chang
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden
| | - Nanxuan Mei
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden
| | - Annie Lundberg
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden
| | - Joachim Sturve
- University of Gothenburg, Department of Biological and Environmental Sciences, Gothenburg, Sweden
| | - Eva Blomberg
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden
| | - Inger Odnevall
- KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, Drottning Kristinas vag 51, SE-100 44 Stockholm, Sweden; AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska, Institutet and KTH Royal Institute of Technology, Stockholm, Sweden; Karolinska Institutet, Department of Neuroscience, SE-171 77 Stockholm, Sweden.
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29
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Dzhardimalieva G, Bondarenko L, Illés E, Tombácz E, Tropskaya N, Magomedov I, Orekhov A, Kydralieva K. Colloidal Stability of Silica-Modified Magnetite Nanoparticles: Comparison of Various Dispersion Techniques. NANOMATERIALS 2021; 11:nano11123295. [PMID: 34947643 DOI: 10.3390/nano11123295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/16/2021] [Accepted: 12/02/2021] [Indexed: 11/16/2022]
Abstract
The production of stable and homogeneous batches during nanoparticle fabrication is challenging. Surface charging, as a stability determinant, was estimated for 3-aminopropyltriethoxysilane (APTES) coated pre-formed magnetite nanoparticles (MNPs). An important consideration for preparing stable and homogenous MNPs colloidal systems is the dispersion stage of pre-formed samples, which makes it feasible to increase the MNP reactive binding sites, to enhance functionality. The results gave evidence that the samples that had undergone stirring had a higher loading capacity towards polyanions, in terms of filler content, compared to the sonicated ones. These later results were likely due to the harsh effects of sonication (extremely high temperature and pressure in the cavities formed at the interfaces), which induced the destruction of the MNPs.
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Affiliation(s)
- Gulzhian Dzhardimalieva
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
- Laboratory of Metal Polymers, Institute of Problems of Chemical Physics, 142432 Chernogolovka, Moscow Region, Russia
| | - Lyubov Bondarenko
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
| | - Erzsébet Illés
- Department of Food Engineering, University of Szeged, 6720 Szeged, Hungary
| | - Etelka Tombácz
- Soós Ernő Water Technology Research and Development Center, University of Pannonia, 8800 Nagykanizsa, Hungary
| | - Nataliya Tropskaya
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
- Sklifosovsky Institute for Emergency Medicine, 129090 Moscow, Russia
| | - Igor Magomedov
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
| | - Alexander Orekhov
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
| | - Kamila Kydralieva
- Department of General Engineering, Moscow Aviation Institute, National Research University, 125299 Moscow, Russia
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30
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Md S, Alhakamy NA, Neamatallah T, Alshehri S, Mujtaba MA, Riadi Y, Radhakrishnan AK, Khalilullah H, Gupta M, Akhter MH. Development, Characterization, and Evaluation of α-Mangostin-Loaded Polymeric Nanoparticle Gel for Topical Therapy in Skin Cancer. Gels 2021; 7:230. [PMID: 34842729 PMCID: PMC8628708 DOI: 10.3390/gels7040230] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 01/26/2023] Open
Abstract
The aim of this study was to prepare and evaluate α-mangostin-loaded polymeric nanoparticle gel (α-MNG-PLGA) formulation to enhance α-mangostin delivery in an epidermal carcinoma. The poly (D, L-lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) were developed using the emulsion-diffusion-evaporation technique with a 3-level 3-factor Box-Behnken design. The NPs were characterized and evaluated for particle size distribution, zeta potential (mV), drug release, and skin permeation. The formulated PLGA NPs were converted into a preformed carbopol gel base and were further evaluated for texture analysis, the cytotoxic effect of PLGA NPs against B16-F10 melanoma cells, and in vitro radical scavenging activity. The nanoscale particles were spherical, consistent, and average in size (168.06 ± 17.02 nm), with an entrapment efficiency (EE) of 84.26 ± 8.23% and a zeta potential of -25.3 ± 7.1 mV. Their drug release percentages in phosphate-buffered solution (PBS) at pH 7.4 and pH 6.5 were 87.07 ± 6.95% and 89.50 ± 9.50%, respectively. The release of α-MNG from NPs in vitro demonstrated that the biphasic release system, namely, immediate release in the initial phase, was accompanied by sustained drug release. The texture study of the developed α-MNG-PLGA NPs gel revealed its characteristics, including viscosity, hardness, consistency, and cohesiveness. The drug flux from α-MNG-PLGA NPs gel and α-MNG gel was 79.32 ± 7.91 and 16.88 ± 7.18 µg/cm2/h in 24 h, respectively. The confocal study showed that α-MNG-PLGA NPs penetrated up to 230.02 µm deep into the skin layer compared to 15.21 µm by dye solution. MTT assay and radical scavenging potential indicated that α-MNG-PLGA NPs gel had a significant cytotoxic effect and antioxidant effect compared to α-MNG gel (p < 0.05). Thus, using the developed α-MNG-PLGA in treating skin cancer could be a promising approach.
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Affiliation(s)
- Shadab Md
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Center of Excellence for Drug Research & Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Mohamed Saeed Tamer Chair for Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Nabil A. Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Center of Excellence for Drug Research & Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Mohamed Saeed Tamer Chair for Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Thikryat Neamatallah
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Samah Alshehri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Md Ali Mujtaba
- Department of Pharmaceutics, Faculty of Pharmacy, Northern Border University, Rafha 91911, Saudi Arabia;
| | - Yassine Riadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Ammu K. Radhakrishnan
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Subang Jaya 47500, Malaysia;
| | - Habibullah Khalilullah
- Department of Pharmaceutical Chemistry and Pharmacognosy, Unaizah College of Pharmacy, Qassim University, Unaizah 51911, Saudi Arabia;
| | - Manish Gupta
- Department of Pharmaceutical Sciences, School of Health Sciences, University of Petroleum and Energy Studies (UPES), Dehradun 248007, India;
| | - Md Habban Akhter
- School of Pharmaceutical and population Health Informatics (SoPPHI), DIT University, Dehradun 248009, India
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31
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Liu Y, Sukumar UK, Kanada M, Krishnan A, Massoud TF, Paulmurugan R. Camouflaged Hybrid Cancer Cell-Platelet Fusion Membrane Nanovesicles Deliver Therapeutic MicroRNAs to Presensitize Triple-Negative Breast Cancer to Doxorubicin. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2103600. [PMID: 34899115 PMCID: PMC8664068 DOI: 10.1002/adfm.202103600] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Indexed: 05/29/2023]
Abstract
Camouflaged cell-membrane-based nanoparticles have been gaining increasing attention owing to their improved biocompatibility and immunomodulatory properties. Using nanoparticles prepared from the membranes of specific cell types, or fusions derived from different cells membranes, can improve their functional performance in several aspects. Here, we used cell membranes extracted from breast cancer cells and platelets to fabricate a hybrid-membrane vesicle fusion (cancer cell-platelet-fusion-membrane vesicle, CPMV) in which we loaded therapeutic microRNAs (miRNAs) for the treatment of triple-negative breast cancer (TNBC). We used a clinically scalable microfluidic platform for the fusion of cell membranes. The reconstitution process during synthesis allows for efficient loading of miRNAs into CPMVs. We systematically optimized the conditions for preparation of miRNA-loaded CPMVs and demonstrated their property of homing to source cells using in vitro experiments, and by therapeutic evaluation in vivo. In vitro, the CPMVs exhibited significant recognition of their source cells and avoided engulfment by macrophages. After systemic delivery in mice, the CPMVs showed a prolonged circulation time and site-specific accumulation at implanted TNBC-xenografts. The delivered antimiRNAs sensitized TNBCs to doxorubicin, resulting in an improved therapeutic response and survival rate. This strategy has considerable potential for clinical translation to improve personalized therapy for breast cancer and other malignancies.
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Affiliation(s)
- Yi Liu
- Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California
- Department of Critical Care Medicine, Chongqing Medical University Affiliated Second Hospital, Chongqing, China
| | - Uday K. Sukumar
- Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California
| | - Masamitsu Kanada
- Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI 48824., USA
| | - Anandi Krishnan
- Department of Pathology, Stanford University School of Medicine, Stanford, California
| | - Tarik F. Massoud
- Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California
| | - Ramasamy Paulmurugan
- Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California
- Canary Center for Cancer Early Detection, Stanford University School of Medicine, Stanford, California
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32
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Gao Y, Wu W, Qiao K, Feng J, Zhu L, Zhu X. Bioavailability and toxicity of silver nanoparticles: Determination based on toxicokinetic-toxicodynamic processes. WATER RESEARCH 2021; 204:117603. [PMID: 34536684 DOI: 10.1016/j.watres.2021.117603] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 08/19/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Determining the bioavailability and toxicity mechanism of silver nanoparticles (AgNPs) is challenging as Ag+ is continuously released by external or internal AgNP dissolution in the actual exposure system (regardless of the laboratory or the natural environment). Here a novel pulsed-gradient Ag+ (AgNO3) exposure was conducted with zebrafish (Danio rerio) larvae to simulate dissolved gradient concentrations of Ag+ from polyvinylpyrrolidone (PVP)-coated AgNPs. The accumulation and toxicity of the pulsed-gradient Ag+ (AgNO3) and, in the meantime, the released Ag+ from PVP-AgNPs were predicted using a toxicokinetic-toxicodynamic (TK-TD) model with obtained Ag+ parameters. In order to further understand the possible mechanism of PVP-AgNP releasing Ag+ in the body, subcellular fractions (S9) of zebrafish were also used to incubate with AgNPs in vitro to mimic the realistic in vivo scenarios. In the TK process, in vivo analysis showed that AgNPs released around twice as many Ag+ into the body than were detected with a single Ag+ pulse-exposure system; this was supported by evidence that subcellular S9 fractions might cause the PVP-AgNPs to lose the capping agent and favor Ag+ release. In the TD process, toxicity (survival rate) was predicted by the total bodily Ag(I) concentration, suggesting that AgNP toxicity in larvae was mainly due to gradually released Ag+ rather than AgNPs themselves. This study helps clarify the role of Ag+ in AgNP toxicity and offers a novel framework by which to investigate the toxicity of metal nanoparticles and corresponding metal ions in biological systems.
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Affiliation(s)
- Yongfei Gao
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
| | - Weiran Wu
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Kexin Qiao
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Jianfeng Feng
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Lin Zhu
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
| | - Xiaoshan Zhu
- Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China
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33
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Composite materials from transition metal carbides and ionic liquids as electrocatalyst for hydrogen evolution in alkaline media. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115620] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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34
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Sulfated alginate/polycaprolactone double-emulsion nanoparticles for enhanced delivery of heparin-binding growth factors in wound healing applications. Colloids Surf B Biointerfaces 2021; 208:112105. [PMID: 34536674 DOI: 10.1016/j.colsurfb.2021.112105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 08/27/2021] [Accepted: 09/04/2021] [Indexed: 11/22/2022]
Abstract
Diabetic foot ulcers (DFUs) that are not effectively treated could lead to partial or complete lower limb amputations. The lack of connective tissue growth factor (CTGF) and insulin-like growth factor (IGF-I) in DFUs results in limited matrix deposition and poor tissue repair. To enhance growth factor (GF) availability in DFUs, heparin (HN)-mimetic alginate sulfate/polycaprolactone (AlgSulf/PCL) double emulsion nanoparticles (NPs) with high affinity and sustained release of CTGF and IGF-I were synthesized. The NPs size, encapsulation efficiency (EE), cytotoxicity, cellular uptake and wound healing capacity in immortalized primary human adult epidermal cells (HaCaT) were assessed. The sonication time and amplitude used for NPs synthesis enabled the production of particles with a minimum of 236 ± 25 nm diameter. Treatment of HaCaT cells with up to 50 μg mL-1 of NPs showed no cytotoxic effects after 72 h. The highest bovine serum albumin EE (94.6 %, P = 0.028) and lowest burst release were attained with AlgSulf/PCL. Moreover, cells treated with AlgSulf/CTGF (250 ng mL-1) exhibited the most rapid wound closure compared to controls while maintaining fibronectin synthesis. Double-emulsion NPs based on HN-mimetic AlgSulf represent a novel approach which can significantly enhance diabetic wound healing and can be expanded for applications requiring the delivery of other HN-binding GFs.
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35
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Anti-metastatic cancer activity of ultrasonic synthesized reduced graphene oxide/copper composites. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01866-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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36
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Abedi E, Amiri MJ, Sayadi M. The potential use of ultrasound-assisted bleaching in removing heavy metals and pigments from soybean oil using kinetic, thermodynamic and equilibrium modeling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:49833-49851. [PMID: 33942259 DOI: 10.1007/s11356-021-14180-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
In this research, the sorption behavior (kinetic, isotherm, and thermodynamic modeling) of heavy metals (Cu (II) and Fe (II)) and pigments (carotenoid and chlorophyll) onto activated bentonite clay was investigated for soybean oil under industrial (IBM) and ultrasonic bleaching method (UBM). A nonlinear fitting approach was used to determine the best-fit isotherm and kinetic models by two statistical criteria including the coefficient of determination (R2) and chi-square (χ2). The adsorption of metal ions and pigments onto activated bentonite clay under UBM was quite well by the pseudo-first-order model. In both bleaching methods, the equilibrium adsorption data follows the Toth isotherm model, presenting the sorption occurrence tends to be on a heterogeneous surface. The results indicated that the adsorption thermodynamics was endothermic in nature and the process was spontaneous between 35 and 65 °C.
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Affiliation(s)
- Elahe Abedi
- Department of Food Science and Technology, Faculty of Agriculture, Fasa University, Fasa, Iran.
| | - Mohammad Javad Amiri
- Department of Water Engineering, Faculty of Agriculture, Fasa University, Fasa, Iran.
| | - Mehran Sayadi
- Department of Food Safety and Hygiene, School of Health, Fasa University of Medical Sciences, Fasa, Iran.
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37
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Pandya JK, Zhang Z, He L. Surface‐Enhanced Raman Spectroscopic Analysis of Anatase Titanium Dioxide Nanoparticles: Investigation of the Key Factors. ChemistrySelect 2021. [DOI: 10.1002/slct.202100888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Janam K. Pandya
- Department of Food Science University of Massachusetts Amherst Massachusetts USA – 01003
| | - Zhiyun Zhang
- Department of Food Science University of Massachusetts Amherst Massachusetts USA – 01003
| | - Lili He
- Department of Food Science University of Massachusetts Amherst Massachusetts USA – 01003
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38
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Kessler A, Hedberg J, McCarrick S, Karlsson HL, Blomberg E, Odnevall I. Adsorption of Horseradish Peroxidase on Metallic Nanoparticles: Effects on Reactive Oxygen Species Detection Using 2',7'-Dichlorofluorescin Diacetate. Chem Res Toxicol 2021; 34:1481-1495. [PMID: 33856197 PMCID: PMC8220500 DOI: 10.1021/acs.chemrestox.0c00430] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Indexed: 11/28/2022]
Abstract
The fluorescent probe 2',7'-dichlorofluorescein diacetate (DCFH-DA) together with the enzyme horseradish peroxidase (HRP) is widely used in nanotoxicology to study acellular reactive oxygen species (ROS) production from nanoparticles (NPs). This study examined whether HRP adsorbs onto NPs of Mn, Ni, and Cu and if this surface process influences the extent of metal release and hence the ROS production measurements using the DCFH assay in phosphate buffered saline (PBS), saline, or Dulbecco's modified Eagle's medium (DMEM). Adsorption of HRP was evident onto all NPs and conditions, except for Mn NPs in PBS. The presence of HRP resulted in an increased release of copper from the Cu NPs in PBS and reduced levels of nickel from the Ni NPs in saline. Both metal ions in solution and the adsorption of HRP onto the NPs can change the activity of HRP and thus influence the ROS results. The effect of HRP on the NP reactivity was shown to be solution chemistry dependent. Most notable was the evident affinity/adsorption of phosphate toward the metal NPs, followed by a reduced adsorption of HRP, the concomitant reduction in released manganese from the Mn NPs, and increased levels of released metals from the Cu NPs in PBS. Minor effects were observed for the Ni NPs. The solution pH should be monitored since the release of metals can change the solution pH and the activity of HRP is known to be pH-dependent. It is furthermore essential that solution pH adjustments are made following the addition of NaOH during diacetyl removal of DCFH-DA. Even though not observed for the given exposure conditions of this study, released metal ions could possibly induce agglomeration or partial denaturation of HRP, which in turn could result in steric hindrance for H2O2 to reach the active site of HRP. This study further emphasizes the influence of HRP on the background kinetics, its solution dependence, and effects on measured ROS signals. Different ways of correcting for the background are highlighted, as this can result in different interpretations of generated results. The results show that adsorption of HRP onto the metal NPs influenced the extent of metal release and may, depending on the investigated system, result in either under- or overestimated ROS signals if used together with the DCFH assay. HRP should hence be used with caution when measuring ROS in the presence of reactive metallic NPs.
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Affiliation(s)
- Amanda Kessler
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
| | - Jonas Hedberg
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
| | - Sarah McCarrick
- Institute
of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Hanna L. Karlsson
- Institute
of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Eva Blomberg
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
- RISE
Research Institute of Sweden, Division Bioeconomy
and Health, Material and Surface Design, Box 5604, SE-114 86 Stockholm, Sweden
| | - Inger Odnevall
- KTH
Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 100 44 Stockholm, Sweden
- AIMES
- Center for the Advancement of Integrated Medical and Engineering
Sciences at Karolinska Institutet and KTH Royal Institute of Technology, 169 27 Stockholm, Sweden
- Department
of Neuroscience, Karolinska Institutet, SE-171 77 Stockholm, Sweden
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39
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Zavanelli N, Kim J, Yeo WH. Recent Advances in High-Throughput Nanomaterial Manufacturing for Hybrid Flexible Bioelectronics. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2973. [PMID: 34072779 PMCID: PMC8197924 DOI: 10.3390/ma14112973] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/27/2021] [Accepted: 05/27/2021] [Indexed: 12/02/2022]
Abstract
Hybrid flexible bioelectronic systems refer to integrated soft biosensing platforms with tremendous clinical impact. In this new paradigm, electrical systems can stretch and deform with the skin while previously hidden physiological signals can be continuously recorded. However, hybrid flexible bioelectronics will not receive wide clinical adoption until these systems can be manufactured at industrial scales cost-effectively. Therefore, new manufacturing approaches must be discovered and studied under the same innovative spirit that led to the adoption of novel materials and soft structures. Recent works have taken mature manufacturing approaches from the graphics industry, such as gravure, flexography, screen, and inkjet printing, and applied them to fully printed bioelectronics. These applications require the cohesive study of many disparate parts. For instance, nanomaterials with optimal properties for each specific application must be dispersed in printable inks with rheology suited to each printing method. This review summarizes recent advances in printing technologies, key nanomaterials, and applications of the manufactured hybrid bioelectronics. We also discuss the existing challenges of the available nanomanufacturing methods and the areas that need immediate technological improvements.
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Affiliation(s)
- Nathan Zavanelli
- George W. Woodruff School of Mechanical Engineering, Center for Human-Centric Interfaces and Engineering at the Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA; (N.Z.); (J.K.)
| | - Jihoon Kim
- George W. Woodruff School of Mechanical Engineering, Center for Human-Centric Interfaces and Engineering at the Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA; (N.Z.); (J.K.)
| | - Woon-Hong Yeo
- George W. Woodruff School of Mechanical Engineering, Center for Human-Centric Interfaces and Engineering at the Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA; (N.Z.); (J.K.)
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Biosciences, Neural Engineering Center, Institute for Materials, Institute for Robotics and Intelligent Machines, Georgia Institute of Technology, Atlanta, GA 30332, USA
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40
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Adsorption of bio-organic eco-corona molecules reduces the toxic response to metallic nanoparticles in Daphnia magna. Sci Rep 2021; 11:10784. [PMID: 34031463 PMCID: PMC8144400 DOI: 10.1038/s41598-021-90053-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 05/05/2021] [Indexed: 01/05/2023] Open
Abstract
As the use of engineered nanomaterials increases, so does the risk of them spreading to natural ecosystems. Hitherto, knowledge regarding the toxic properties of nanoparticles (NP’s) and their potential interactions with natural bio-organic molecules adsorbed to them, and thereby forming surface coronas, is limited. However, we show here that the toxic effect of NPs of tungsten carbide cobalt (WC–Co) and cobalt (Co) on the crustacean Daphnia magna is postponed in the presence of natural biological degradation products (eco-corona biomolecules). For Daphnia exposed to WC–Co NPs the survival time increased with 20–25% and for Co NPs with 30–47% after mixing the particles with a solution of eco-corona biomolecules before exposure. This suggests that an eco-corona, composed of biomolecules always present in natural ecosystems, reduces the toxic potency of both studied NPs. Further, the eco-coronas did not affect the particle uptake, suggesting that the reduction in toxicity was related to the particle-organism interaction after eco-corona formation. In a broader context, this implies that although the increasing use and production of NPs may constitute a novel, global environmental threat, the acute toxicity and long-term effects of some NPs will, at least under certain conditions, be reduced as they enter natural ecosystems.
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41
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Icten O. The Design of Gold Decorated Iron Borates (Fe
3
BO
6
and FeBO
3
) for Photothermal Therapy and Boron Carriers. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Okan Icten
- Department of Chemistry, Faculty of Science Hacettepe University 06800 Ankara Turkey
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Khort A, Hedberg J, Mei N, Romanovski V, Blomberg E, Odnevall I. Corrosion and transformation of solution combustion synthesized Co, Ni and CoNi nanoparticles in synthetic freshwater with and without natural organic matter. Sci Rep 2021; 11:7860. [PMID: 33846485 PMCID: PMC8042015 DOI: 10.1038/s41598-021-87250-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/24/2021] [Indexed: 11/09/2022] Open
Abstract
Pure metallic Co, Ni, and their bimetallic compositions of Co3Ni, CoNi, and CoNi3 nanomaterials were prepared by solution combustion synthesis. Microstructure, phase composition, and crystalline structure of these nanoparticles (NPs) were characterized along with studies of their corrosion and dissolution properties in synthetic freshwater with and without natural organic matter (NOM). The nanomaterials consisted of aggregates of fine NPs (3-30 nm) of almost pure metallic and bimetallic crystal phases with a thin surface oxide covered by a thin carbon shell. The nanomaterials were characterized by BET surface areas ranging from ~ 1 to 8 m2/g for the Ni and Co NPs, to 22.93 m2/g, 14.86 m2/g, and 10.53 m2/g for the Co3Ni, CoNi, CoNi3 NPs, respectively. More Co and Ni were released from the bimetallic NPs compared with the pure metals although their corrosion current densities were lower. In contrast to findings for the pure metal NPs, the presence of NOM increased the release of Co and Ni from the bimetallic NPs in freshwater compared to freshwater only even though its presence reduced the corrosion rate (current density). It was shown that the properties of the bimetallic nanomaterials were influenced by multiple factors such as their composition, including carbon shell, type of surface oxides, and the entropy of mixing.
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Affiliation(s)
- Alexander Khort
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden.
- Center of Functional Nano-Ceramics, National University of Science and Technology "MISIS", Moscow, Russia.
| | - Jonas Hedberg
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
- Surface Science Western, Western University, London, Canada
| | - Nanxuan Mei
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Valentin Romanovski
- Center of Functional Nano-Ceramics, National University of Science and Technology "MISIS", Moscow, Russia
- Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus
| | - Eva Blomberg
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
- Division Bioscience and Materials, RISE Research Institutes of Sweden, Stockholm, Sweden
| | - Inger Odnevall
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden.
- AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska Insitutet and KTH Royal Institute of Technology, Stockholm, Sweden.
- Department of Neuroscience, Karolinska Institutet, 171 77, Stockholm, Sweden.
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43
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Nair AB, Shah J, Al-Dhubiab BE, Jacob S, Patel SS, Venugopala KN, Morsy MA, Gupta S, Attimarad M, Sreeharsha N, Shinu P. Clarithromycin Solid Lipid Nanoparticles for Topical Ocular Therapy: Optimization, Evaluation and In Vivo Studies. Pharmaceutics 2021; 13:pharmaceutics13040523. [PMID: 33918870 PMCID: PMC8068826 DOI: 10.3390/pharmaceutics13040523] [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: 02/22/2021] [Revised: 04/03/2021] [Accepted: 04/06/2021] [Indexed: 02/06/2023] Open
Abstract
Solid lipid nanoparticles (SLNs) are being extensively exploited as topical ocular carrier systems to enhance the bioavailability of drugs. This study investigated the prospects of drug-loaded SLNs to increase the ocular permeation and improve the therapeutic potential of clarithromycin in topical ocular therapy. SLNs were formulated by high-speed stirring and the ultra-sonication method. Solubility studies were carried out to select stearic acid as lipid former, Tween 80 as surfactant, and Transcutol P as cosurfactant. Clarithromycin-loaded SLN were optimized by fractional factorial screening and 32 full factorial designs. Optimized SLNs (CL10) were evaluated for stability, morphology, permeation, irritation, and ocular pharmacokinetics in rabbits. Fractional factorial screening design signifies that the sonication time and amount of lipid affect the SLN formulation. A 32 full factorial design established that both factors had significant influences on particle size, percent entrapment efficiency, and percent drug loading of SLNs. The release profile of SLNs (CL9) showed ~80% drug release in 8 h and followed Weibull model kinetics. Optimized SLNs (CL10) showed significantly higher permeation (30.45 μg/cm2/h; p < 0.0001) as compared to control (solution). CL10 showed spherical shape and good stability and was found non-irritant for ocular administration. Pharmacokinetics data demonstrated significant improvement of clarithromycin bioavailability (p < 0.0001) from CL10, as evidenced by a 150% increase in Cmax (~1066 ng/mL) and a 2.8-fold improvement in AUC (5736 ng h/mL) (p < 0.0001) as compared to control solution (Cmax; 655 ng/mL and AUC; 2067 ng h/mL). In summary, the data observed here demonstrate the potential of developed SLNs to improve the ocular permeation and enhance the therapeutic potential of clarithromycin, and hence could be a viable drug delivery approach to treat endophthalmitis.
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Affiliation(s)
- Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
- Correspondence: (A.B.N.); (J.S.); Tel.: +966-536219868 (A.B.N.); +91-9909007411 (J.S.)
| | - Jigar Shah
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, Gujarat, India
- Correspondence: (A.B.N.); (J.S.); Tel.: +966-536219868 (A.B.N.); +91-9909007411 (J.S.)
| | - Bandar E. Al-Dhubiab
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
| | - Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates;
| | - Snehal S. Patel
- Department of Pharmacology, Institute of Pharmacy, Nirma University, Ahmedabad 382481, Gujarat, India;
| | - Katharigatta N. Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
- Department of Biotechnology and Food Technology, Durban University of Technology, Durban 4000, Natal, South Africa
| | - Mohamed A. Morsy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Sumeet Gupta
- Department of Pharmacology, M. M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana 133203, India;
| | - Mahesh Attimarad
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (B.E.A.-D.); (K.N.V.); (M.A.M.); (M.A.); (N.S.)
- Department of Pharmaceutics, Vidya Siri College of Pharmacy, Off Sarjapura Road, Bangalore 560035, India
| | - Pottathil Shinu
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
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Khanfar M, Al-Remawi M, Al-Akayleh F, Hmouze S. Preparation and Evaluation of Co-amorphous Formulations of Telmisartan-Amino Acids as a Potential Method for Solubility and Dissolution Enhancement. AAPS PharmSciTech 2021; 22:112. [PMID: 33748914 DOI: 10.1208/s12249-021-01952-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 02/03/2021] [Indexed: 11/30/2022] Open
Abstract
Telmisartan (TLM) is a potent antihypertensive drug with pH-dependent aqueous solubility. This work aimed to enhance the solubility and dissolution rate of TLM by the co-amorphous drug amino acid (AA) approach by combining TLM, with different types and ratios of AAs. The co-amorphous TLM-AA blends were prepared by freeze-drying and investigated for solid-state characteristics like the dissolution rate enhancement of TLM. Among the prepared co-amorphous formulations, TLM-arginine (ARG) exhibited the greatest enhancement in solubility with increasing the molar ratio of ARG. The TLM-ARG at 1:2 ratio showed about a 57-fold increase in solubility of TLM and the highest dissolution percentage in phosphate buffer (pH7.5) (100% in 20 minutes) compared to both crystalline TLM (20% in 60 min) and physical mixture. Powder XRD, DSC, FTIR analysis and SEM demonstrated the formation of amorphous form within the co-amorphous formulations. Only TLM:ARG (1:0.5) were stable at (40°C, 75% RH) for a minimum of 90 days. In conclusion, ARG was able to stabilize the amorphous form of TLM and enhances its aqueous solubility and dissolution. The 1:2 w/w ratio of TLM-ARG co-amorphous showed the best solubility and dissolution rate while the 1:0.5 w/w ratio showed the best stability.
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45
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Hedberg J, Eriksson M, Kesraoui A, Norén A, Odnevall Wallinder I. Transformation of silver nanoparticles released from skin cream and mouth spray in artificial sweat and saliva solutions: particle size, dissolution, and surface area. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:12968-12979. [PMID: 33097992 PMCID: PMC7921047 DOI: 10.1007/s11356-020-11241-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 10/12/2020] [Indexed: 05/22/2023]
Abstract
The use of silver nanoparticles (Ag NPs) in consumer products can result in diffuse environmental dispersion of both NPs and ionic silver. This study investigated the transformation of Ag NPs present in two consumer products (skin cream, mouth spray) in terms of release of Ag NPs and ionic silver and changes in particle size in artificial sweat and saliva solutions. Large differences in silver release were observed with the smaller sized Ag NPs in mouth spray releasing more silver compared with the Ag NPs of the skin cream. Substantial particle agglomeration took place in both artificial sweat and saliva, forming large-sized agglomerates (> 100 nm). The amount of dissolved silver in solution after 24 h was less than 10% of the total amount of Ag NPs for both products. The results show that the Ag NPs of these consumer products will largely remain as NPs even after 24 h of skin or saliva contact. The use of normalization by geometric surface area of the particles was tested as a way to compare dissolution for Ag NPs of different characteristics, including pristine, bare, as well as PVP-capped Ag NPs. Normalization of silver dissolution with the geometric surface area was shown promising, but more extensive studies are required to unambiguously conclude whether it is a way forward to enable grouping of the dissolution behavior of Ag NPs released from consumer products.
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Affiliation(s)
- Jonas Hedberg
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, Stockholm, Sweden.
| | - Madeleine Eriksson
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, Stockholm, Sweden
| | - Amina Kesraoui
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, Stockholm, Sweden
| | - Alexander Norén
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, Stockholm, Sweden
| | - Inger Odnevall Wallinder
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Department of Chemistry, Division of Surface and Corrosion Science, Stockholm, Sweden
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Mallakpour S, Okhovat M. Hydroxyapatite mineralization of chitosan-tragacanth blend/ZnO/Ag nanocomposite films with enhanced antibacterial activity. Int J Biol Macromol 2021; 175:330-340. [PMID: 33556403 DOI: 10.1016/j.ijbiomac.2021.01.210] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 01/16/2021] [Accepted: 01/29/2021] [Indexed: 12/25/2022]
Abstract
Biocompatible nanocomposites (NCs) with antibacterial activity containing organic matrix and inorganic nanoparticles (NPs) are vital for providing a suitable substrate for hydroxyapatite (HA) formation. Therefore, we fabricated a series of biocompatible NCs of chitosan (CS) and tragacanth gum (TG) and different percentages of ZnO NPs and ZnO@Ag NPs as fillers into the CS-TG blend. The characteristics of the NCs were distinguished with the field-emission scanning electron microscope (FE-SEM), X-Ray diffraction, Fourier transform infrared, and transmission electron microscopy (TEM). The CS-TG/ZnO@Ag(1:0.500) NC 8 wt% showed a rough surface according to FE-SEM. Moreover, the TEM image of CS-TG/ZnO NC 8 wt% depicted a uniform dispersion of NPs into the matrix. The biocompatibility of these NCs was evaluated by the formation of HA on their surfaces. The outcomes depicted the deposition of HA on the surface of all NCs. Also, CS-TG/ZnO@Ag(1:0.500) NC 8 wt% exhibited the most HA deposition on its surface. The antibacterial activity of these NCs toward Staphylococcus aureus and Escherichia coli bacteria was evaluated. The CS-TG/ZnO@Ag(1:0.500) NC 8 wt% exhibited a higher inhibition zone diameter in comparison to the ZnO@Ag (1:0.500) NPs for the S. aureus bacteria. Generally, antibacterial activity of the NCs containing ZnO@Ag NPs are more than NCs containing ZnO NPs.
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Affiliation(s)
- Shadpour Mallakpour
- Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
| | - Milad Okhovat
- Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
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Almeida GHGD, Siqueira-Soares RDC, Mota TR, Oliveira DMD, Abrahão J, Foletto-Felipe MDP, Dos Santos WD, Ferrarese-Filho O, Marchiosi R. Aluminum oxide nanoparticles affect the cell wall structure and lignin composition slightly altering the soybean growth. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 159:335-346. [PMID: 33429191 DOI: 10.1016/j.plaphy.2020.12.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/26/2020] [Indexed: 05/24/2023]
Abstract
Aluminum oxide (Al2O3) nanoparticles (NPs) are among the nanoparticles most used industrially, but their impacts on living organisms are widely unknown. We evaluated the effects of 50-1000 mg L-1 Al2O3 NPs on the growth, metabolism of lignin and its monomeric composition in soybean plants. Al2O3 NPs did not affect the length of roots and stems. However, at the microscopic level, Al2O3 NPs altered the root surface inducing the formation of cracks near to root apexes and damage to the root cap. The results suggest that Al2O3 NPs were internalized and accumulated into the cytosol and cell wall of roots, probably interacting with organelles such as mitochondria. At the metabolic level, Al2O3 NPs increased soluble and cell wall-bound peroxidase activities in roots and stems but reduced phenylalanine ammonia-lyase activity in stems. Increased lignin contents were also detected in roots and stems. The Al2O3 NPs increased the p-hydroxyphenyl monomer levels in stems but reduced them in roots. The total phenolic content increased in roots and stems; cell wall-esterified p-coumaric and ferulic acids increased in roots, while the content of p-coumaric acid decreased in stems. In roots, the content of ionic aluminum (Al+3) was extremely low, corresponding to 0.0000252% of the aluminum applied in the nanoparticulate form. This finding suggests that all adverse effects observed were due to the Al2O3 NPs only. Altogether, these findings suggest that the structure and properties of the soybean cell wall were altered by the Al2O3 NPs, probably to reduce its uptake and phytotoxicity.
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Affiliation(s)
| | | | - Thatiane Rodrigues Mota
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil
| | - Dyoni Matias de Oliveira
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil
| | - Josielle Abrahão
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil
| | | | - Wanderley Dantas Dos Santos
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil
| | - Osvaldo Ferrarese-Filho
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil
| | - Rogério Marchiosi
- Laboratory of Plant Biochemistry, Department of Biochemistry, University of Maringá, Maringá, PR, 87020-900, Brazil.
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Gupta H, Rai SK, Satya Krishna N, Anand G. The effect of copper oxide nanoparticle additives on the rheological and tribological properties of engine oil. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2020.1844017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Harsh Gupta
- SOES, University of Petroleum and Energy Studies, Bidholi Village, Via-Premnagar, Dehradun, Uttarakhand, India
| | - Santosh Kumar Rai
- Petrology & Geochemistry Group, Wadia Institute of Himalayan Geology, Dehradun, Uttarakhand, India
| | - Nippani Satya Krishna
- SOES, University of Petroleum and Energy Studies, Bidholi Village, Via-Premnagar, Dehradun, Uttarakhand, India
| | - Gagan Anand
- SOES, University of Petroleum and Energy Studies, Bidholi Village, Via-Premnagar, Dehradun, Uttarakhand, India
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49
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Rapid and Green Preparation of Multi-Branched Gold Nanoparticles Using Surfactant-Free, Combined Ultrasound-Assisted Method. Processes (Basel) 2021. [DOI: 10.3390/pr9010112] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The conventional seed-mediated preparation of multi-branched gold nanoparticles uses either cetyltrimethylammonium bromide or sodium dodecyl sulfate. However, both surfactants are toxic to cells so they have to be removed before the multi-branched gold nanoparticles can be used in biomedical applications. This study describes a green and facile method for the preparation of multi-branched gold nanoparticles using hydroquinone as a reducing agent and chitosan as a stabilizer, through ultrasound irradiation to improve the multi-branched shape and stability. The influence of pH, mass concentration of chitosan, hydroquinone concentration, as well as sonication conditions such as amplitude and time of US on the growth of multi-branched gold nanoparticles, were also investigated. The spectra showed a broad band from 500 to over 1100 nm, an indication of the effects of both aggregation and contribution of multi-branches to the surface plasmon resonance signal. Transmission electron microscopy measurements of GNS under optimum conditions showed an average core diameter of 64.85 ± 6.79 nm and 76.11 ± 14.23 nm of the branches of multi-branched particles. Fourier Transfer Infrared Spectroscopy was employed to characterize the interaction between colloidal gold nanoparticles and chitosan, and the results showed the presence of the latter on the surface of the GNS. The cytotoxicity of chitosan capped GNS was tested on normal rat fibroblast NIH/3T3 and normal human fibroblast BJ-5ta using MTT assay concentrations from 50–125 µg/mL, with no adverse effect on cell viability.
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50
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Bondarenko L, Terekhova V, Kahru A, Dzhardimalieva G, Kelbysheva E, Tropskaya N, Kydralieva K. Sample preparation considerations for surface and crystalline properties and ecotoxicity of bare and silica-coated magnetite nanoparticles. RSC Adv 2021; 11:32227-32235. [PMID: 35495499 PMCID: PMC9042031 DOI: 10.1039/d1ra05703k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/28/2021] [Accepted: 09/10/2021] [Indexed: 11/21/2022] Open
Abstract
Magnetite (Fe3O4) nanoparticles (NPs) have widely used in various fields, including in medicine, due to their (super)paramagnetic properties. This requires a thorough evaluation of their possible hazardous effects. However, there is no standard procedure for the preparation of oxidation-prone NPs (such as magnetite) before subjecting them to biological assays. In this study we used Fe3O4 NPs (bare and silica-coated) as test samples to compare different preparation methods (ultrasound, centrifugation and filteration of NPs suspensions) based on X-ray and dynamic light scattering analysis and evaluation of microstructure and surface charge. After oxidation and functionalization, all samples retained their superparamagnetic behaviour. The toxicity of NP suspensions obtained by the methods described for Paramecium caudatum ciliates and Sinapis alba plants was evaluated. The charge and surface reactivity of magnetite nanoparticles can be affected by the different separation methods leading to their toxicity changes.![]()
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Affiliation(s)
- Lyubov Bondarenko
- Moscow Aviation Institute (National Research University), Moscow, Russia
| | - Vera Terekhova
- Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Anne Kahru
- National Institute of Chemical Physics and Biophysics, 12618 Tallinn, Estonia
| | - Gulzhian Dzhardimalieva
- Moscow Aviation Institute (National Research University), Moscow, Russia
- Institute of Problems of Chemical Physics, Chernogolovka, Moscow Region, Russia
| | - Elena Kelbysheva
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Natalya Tropskaya
- Moscow Aviation Institute (National Research University), Moscow, Russia
- Sklifosovsky Institute for Emergency Medicine, Moscow, Russia
| | - Kamila Kydralieva
- Moscow Aviation Institute (National Research University), Moscow, Russia
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