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Żmuda A, Kamińska W, Bartel M, Głowacka K, Chotkowski M, Medyńska K, Wiktorska K, Mazur M. Physicochemical characterization and potential cancer therapy applications of hydrogel beads loaded with doxorubicin and GaOOH nanoparticles. Sci Rep 2024; 14:20822. [PMID: 39242631 PMCID: PMC11379898 DOI: 10.1038/s41598-024-67709-z] [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: 02/15/2024] [Accepted: 07/15/2024] [Indexed: 09/09/2024] Open
Abstract
A new type of hybrid polymer particles capable of carrying the cytostatic drug doxorubicin and labeled with a gallium compound was prepared. These microparticles consist of a core and a hydrogel shell, which serves as the structural matrix. The shell can be employed to immobilize gallium oxide hydroxide (GaOOH) nanoparticles and the drug, resulting in hybrid beads with sizes of approximately 3.81 ± 0.09 μm. The microparticles exhibit the ability to incorporate a remarkably large amount of doxorubicin, approximately 0.96 mg per 1 mg of the polymeric carrier. Additionally, GaOOH nanoparticles can be deposited within the hydrogel layer at an amount of 0.64 mg per 1 mg of the carrier. These nanoparticles, resembling rice grains with an average size of 593 nm by 155 nm, are located on the surface of the polymer carrier. In vitro studies on breast and colon cancer cell lines revealed a pronounced cytotoxic effect of the hybrid polymer particles loaded with doxorubicin, indicating their potential for cancer therapies. Furthermore, investigations on doping the hybrid particles with the Ga-68 radioisotope demonstrated their potential application in positron emission tomography (PET) imaging. The proposed structures present a promising theranostic platform, where particles could be employed in anticancer therapies while monitoring their accumulation in the body using PET.
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Affiliation(s)
- Aleksandra Żmuda
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Weronika Kamińska
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Marta Bartel
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Karolina Głowacka
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Maciej Chotkowski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Katarzyna Medyńska
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
- Department of Physics and Biophysics, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 166, 02-787, Warsaw, Poland
| | - Katarzyna Wiktorska
- Department of Physics and Biophysics, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 166, 02-787, Warsaw, Poland
| | - Maciej Mazur
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland.
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Feng Y, Wang X, Chang Y, Guo J, Wang C. Sensitive and handy detection of pesticide residue on fruit surface based on single microsphere surface-enhanced Raman spectroscopy technique. J Colloid Interface Sci 2022; 628:116-128. [PMID: 35987151 DOI: 10.1016/j.jcis.2022.08.045] [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: 05/02/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 10/15/2022]
Abstract
HYPOTHESIS Surface-enhanced Raman spectroscopy (SERS) has become an emerging and reliable tool for detecting pesticide residues due to its high sensitivity, fast testing speed and easy sample handling. SERS active substrates are the key to achieve efficient and sensitive detection. However, for the most widely used noble metal nanoparticles, there are problems of high noble metal nanoparticle usage and random aggregation. The micron-scale Raman spot is focused on multiple randomly aggregated nanoparticles during the test, resulting in poor reproducibility. Therefore, the development of micron-scale cost-effective SERS substrates with good reproducibility and simple detecting method is of great significance in practical detection. EXPERIMENTS Through deposition of silver nanoparticles (Ag-NPs) by chemical reduction on the surface of monodisperse sulfonated polystyrene (SPS) microspheres, micron-sized PS@Ag-NPs core-shell microspheres were prepared with excellent SERS activity. After that, two simple protocols (Method I and Method II) were explored for the determination of thiram on apple epidermis. FINDINGS Based on our developed strategy of the single microsphere SERS technique, we successfully fabricated uniform PS@Ag-NPs substrate with high SERS activity and excellent detection sensitivity. The single microsphere SERS technique possesses the capability of anti-dilutability and the utilization of ultra-low PS@Ag-NPs microsphere dosage, realizing qualitative and quantitative detection of thiram on apple with detection limits far below the standard stipulated by China and the European Union.
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Affiliation(s)
- Yiting Feng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Xiuli Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Yinghao Chang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Jia Guo
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Changchun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China; Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China.
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Li M, Zhang X. Nanostructure-Based Surface-Enhanced Raman Spectroscopy Techniques for Pesticide and Veterinary Drug Residues Screening. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:194-205. [PMID: 32939593 DOI: 10.1007/s00128-020-02989-5] [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: 03/03/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Abstract
Pesticide and veterinary drug residues in food and environment pose a threat to human health, and a rapid, super-sensitive, accurate and cost-effective analysis technique is therefore highly required to overcome the disadvantages of conventional techniques based on mass spectrometry. Recently, the surface-enhanced Raman spectroscopy (SERS) technique emerges as a potential promising analytical tool for rapid, sensitive and selective detections of environmental pollutants, mostly owing to its possible simplified sample pretreatment, gigantic detectable signal amplification and quick target analyte identification via finger-printing SERS spectra. So theoretically the SERS detection technology has inherent advantages over other competitors especially in complex environmental matrices. The progress in nanostructure SERS substrates and portable Raman appliances will promote this novel detection technology to play an important role in future rapid on-site assay. This paper reviews the advances in nanostructure-based SERS substrates, sensors and relevant portable integrated systems for environmental analysis, highlights the potential applications in the detections of synthetic chemicals such as pesticide and veterinary drug residues, and also discusses the challenges of SERS detection technique for actual environmental monitoring in the future.
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Affiliation(s)
- Mingtao Li
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China.
| | - Xiang Zhang
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China
- University of Science and Technology of China, Hefei, 230026, China
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4
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Zhang Y, Chen K, Gong B, Yin Y, Zhou S, Xiao K. Scalable synthesis of monodisperse and recyclable sulphonated polystyrene microspheres for sustainable elimination of heavy metals in wastewater. ENVIRONMENTAL TECHNOLOGY 2021; 43:1-13. [PMID: 34080524 DOI: 10.1080/09593330.2021.1936200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 05/15/2021] [Indexed: 06/12/2023]
Abstract
Herein, we demonstrate a scalable method for fabricating monodisperse sulphonated polystyrene (SPS) microspheres with abundant sulphonic acid groups and excellent heavy metal removal ability. A comprehensive characterization through SEM, EDS, FT-IR, TG, XRD and XPS confirmed the formation of the SPS microspheres. Take advantage of the abundant sulphonic acid groups on the surface of microspheres, as well as the superior monodisperse properties, adsorption ability of SPS microspheres both in quantity and speed have been enhanced. The adsorption equilibrium obeyed the Langmuir isotherm model with the theoretical maximum capacities of 49.16, 15.38 and 13.89 mg·g-1 for Pb2+, Zn2+ and Cu2+, respectively (30°C, pH = 3.5). Besides, the adsorption equilibriums of Pb2+ onto SPS microspheres can be achieved within only 1 min and the adsorption kinetics can be fitted by a pseudo-second-order kinetics model. More importantly, because of the micron structure of the SPS microspheres, it could overcome the excessive hydrophilia brought by rich sulphonic acid groups and thereby easily separated, which maintain a good recyclable capacity after five regeneration cycles. With the excellent adsorption ability and reusability, SPS microspheres can efficiently handle the polluted water in a convenience and rapid process, which satisfies the sustainable pollution treatment in heavy metals elimination.
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Affiliation(s)
- Yuhan Zhang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
| | - Kai Chen
- School of Food Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
| | - Bin Gong
- School of Food Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
| | - Yurong Yin
- School of Environment and Energy, South China University of Technology, Guangzhou, People's Republic of China
| | - Shaoqi Zhou
- School of Environment and Energy, South China University of Technology, Guangzhou, People's Republic of China
| | - Kaijun Xiao
- School of Food Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
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Bartel M, Markowska K, Strawski M, Wolska K, Mazur M. Silver-decorated gel-shell nanobeads: physicochemical characterization and evaluation of antibacterial properties. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:620-630. [PMID: 32363129 PMCID: PMC7176999 DOI: 10.3762/bjnano.11.49] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
We report on the synthesis of composite nanobeads with antibacterial properties. The particles consist of polystyrene cores that are surrounded by sulfonic gel shells with embedded silver nanoparticles. The nanocomposite beads are prepared by sulfonation of polystyrene particles followed by accumulation of silver ions in the shell layer and subsequent reduction with sodium borohydride. The resulting material has been characterized by electron microscopy, vibrational and X-ray photoelectron spectroscopy and several other experimental techniques. It was shown that sodium borohydride reduces silver ions embedded in the gel layer producing silver nanoparticles but also transforms a fraction of sulfonic groups in the polymer to moieties with sulfur in a lower oxidation state, likely thiols. It is hypothesized that the generated thiol groups are anchoring the nanoparticles in the gel shell of the nanobeads stabilizing the whole structure. The silver-decorated nanobeads appear to be a promising material with considerable antimicrobial activity and were tested against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus and Staphylococcus epidermidis. The determined minimum inhibitory (MIC) and minimum biofilm inhibitory (MBIC) concentrations are comparable to those of non-incorporated silver nanoparticles.
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Affiliation(s)
- Marta Bartel
- University of Warsaw, Department of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
| | - Katarzyna Markowska
- University of Warsaw, Department of Biology, Miecznikowa 1, 02-093 Warsaw, Poland
| | - Marcin Strawski
- University of Warsaw, Department of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
| | - Krystyna Wolska
- University of Warsaw, Department of Biology, Miecznikowa 1, 02-093 Warsaw, Poland
| | - Maciej Mazur
- University of Warsaw, Department of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
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6
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Li Y, Shaker K, Svenda M, Vogt C, Hertz HM, Toprak MS. Synthesis and Cytotoxicity Studies on Ru and Rh Nanoparticles as Potential X-Ray Fluorescence Computed Tomography (XFCT) Contrast Agents. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E310. [PMID: 32059357 PMCID: PMC7075218 DOI: 10.3390/nano10020310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/06/2020] [Accepted: 02/07/2020] [Indexed: 12/16/2022]
Abstract
X-ray fluorescence computed tomography (XFCT) is an emerging biomedical imaging technique, which demands the development of new contrast agents. Ruthenium (Ru) and rhodium (Rh) have spectrally attractive Kα edge energies, qualifying them as new XFCT bio-imaging probes. Metallic Ru and Rh nanoparticles are synthesized by polyol method, in the presence of a stabilizer. The effect of several reaction parameters, including reaction temperature time, precursor and stabilizer concentration, and stabilizer molecular weight, on the size of particles, were studied. Resultant materials were characterized in detail using XRD, TEM, FT-IR, DLS-zeta potential and TGA techniques. Ru particles in the size range of 1-3 nm, and Rh particles of 6-9 nm were obtained. At physiological pH, both material systems showed agglomeration into larger assemblies ranging from 12-104 nm for Ru and 25-50 nm for Rh. Cytotoxicity of the nanoparticles (NPs) was evaluated on macrophages and ovarian cancer cells, showing minimal toxicity in doses up to 50 μg/mL. XFCT performance was evaluated on a small-animal-sized phantom model, demonstrating the possibility of quantitative evaluation of the measured dose with an expected linear response. This work provides a detailed route for the synthesis, size control and characterization of two materials systems as viable contrast agents for XFCT bio-imaging.
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Affiliation(s)
| | | | | | | | | | - Muhammet S. Toprak
- Biomedical and X-Ray Physics, Department of Applied Physics, KTH Royal Institute of Technology, SE 10691 Stockholm, Sweden; (Y.L.); (K.S.); (M.S.); (C.V.); (H.M.H.)
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Immobilization of Alkaline Collagenase from Bacillus subtilis onto Sulfonated Polystyrene Nanospheres for Hydrolysis of Tilapia Collagen. J FOOD QUALITY 2019. [DOI: 10.1155/2019/7521895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The structure of an alkaline protease from Bacillus subtilis used by a tilapia collagen peptide manufacturer was analyzed, and the technology of the enzyme immobilized by sulfonated polystyrene (SPS) nanoparticles was studied. The particle size distribution, SEM, EDS, TEM, and FT-IR spectroscopy of the carrier before and after immobilization were analyzed. The results showed that the molecular weight of the purified enzyme protein was 31.0 kDa. The amino acid sequence with a consistency of 64.04% and one three-dimensional structure simulation diagram of the purified enzyme protein were obtained by LC-MS-MS, which suggested that the protein might belong to subtilisin. The optimal immobilization conditions were as follows: the volume ratio of the immobilization carrier to the enzyme was 3 : 50 (mL : mL), the immobilized temperature was 25°C, and the system pH was 4.5. Under this condition, the immobilization ratio of collagenase was 73.48%, the specific activity was 274.05 U/μg, and the specific activity of the immobilized enzyme was about 53.74% that of the free enzyme. The average particle size of SPS nanospheres was 155.1 nm. The characterization results of SEM, EDS, TEM, and FT-IR spectroscopy showed that the collagenase was successfully immobilized onto SPS nanospheres. The experimental results also showed that the collagenase could be immobilized effectively under the optimal conditions by using SPS nanospheres, and the operation process was simple, feasible, and of low cost with good prospect of industrial application.
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8
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Synthesis of sandwich-structured silver@polydopamine@silver shells with enhanced antibacterial activities. J Colloid Interface Sci 2019; 558:47-54. [PMID: 31580954 DOI: 10.1016/j.jcis.2019.09.091] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 01/18/2023]
Abstract
The unique antibacterial characteristics of Ag nanomaterials offer a wide potential range of applications, but achieving rapid and durable antibacterial efficacy is challenging. This is because the speed and durability of the antibacterial function make conflicting demands on the structural design: the former requires the direct exposure of Ag to the surrounding environment, whereas the durability requires Ag to be protected from the environment. To overcome this incompatibility, we synthesize sandwich-structured polydopamine shells decorated both internally and externally with Ag nanoparticles, which exhibit prompt and lasting bioactivity in applications. These shells are biocompatible and can be used in vivo to counter bacterial infection caused by methicillin-resistant Staphylococcus aureus superbugs and to inhibit biofilm formation. This work represents a new paradigm for the design of composite materials with enhanced antibacterial properties.
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9
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Zhou QI, Zhao YU, Dang H, Tang Y, Zhang B. Antibacterial Effects of Phytic Acid against Foodborne Pathogens and Investigation of Its Mode of Action. J Food Prot 2019; 82:826-833. [PMID: 31009250 DOI: 10.4315/0362-028x.jfp-18-418] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study investigated the antimicrobial mechanism of phytic acid (PA) and its antibacterial effects in combination with ethanol. The MIC of PA on Escherichia coli ATCC 11229, Staphylococcus aureus ATCC 6538P, Bacillus subtilis ATCC 6633, and Salmonella Typhimurium CICC 27483 were 0.24, 0.20, 0.26, and 0.28% (w/w), respectively. E. coli ATCC 11229 and S. aureus ATCC 6538P were selected to investigate the mechanism of PA by analyzing its effects at 1/2MIC and at MIC on the cell morphology, intracellular ATP, and cell membrane integrity. Environmental scanning electron microscope images revealed that PA was able to change the cell morphology and disrupt the intercellular adhesion. PA retarded bacterial growth and caused cell membrane dysfunction, which was accompanied by decreased intracellular ATP concentrations. Flow cytometry analysis further revealed that almost all the bacterial cells were damaged after treatment with PA at its MIC for 2 h. Moreover, PA has a synergistic antimicrobial ability when used in combination with ethanol. These results suggested that PA is effective in inhibiting growth of foodborne pathogens mainly by the mechanism of cell membrane damage and to provide a theoretical basis for the development of natural antimicrobial agents in the food industry.
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Affiliation(s)
- Q I Zhou
- 1 Laboratory of Food Microbiology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China (ORCID: https://orcid.org/0000-0003-4483-1386 [Q.Z.])
| | - Y U Zhao
- 1 Laboratory of Food Microbiology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China (ORCID: https://orcid.org/0000-0003-4483-1386 [Q.Z.])
| | - Hui Dang
- 1 Laboratory of Food Microbiology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China (ORCID: https://orcid.org/0000-0003-4483-1386 [Q.Z.])
| | - Yuanyue Tang
- 2 Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou, Jiangsu 225009, People's Republic of China
| | - Baoshan Zhang
- 1 Laboratory of Food Microbiology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China (ORCID: https://orcid.org/0000-0003-4483-1386 [Q.Z.])
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10
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Jiang L, Su C, Ye S, Wu J, Zhu Z, Wen Y, Zhang R, Shao W. Synergistic antibacterial effect of tetracycline hydrochloride loaded functionalized graphene oxide nanostructures. NANOTECHNOLOGY 2018; 29:505102. [PMID: 30251959 DOI: 10.1088/1361-6528/aae424] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
With the high demand for developing novel composites with integrated performance, graphene-based nanostructures have been drawing great attention in environmental and biomedical applications because of their extraordinary physicochemical properties and biocompatibility. Although graphene oxide (GO) nanosheets exhibit some antibacterial activities, novel GO based nanostructures with enhanced antibacterial activities are highly desired. To realize this aim, polyethyleneimine (PEI) modified GO as a tetracycline hydrochloride (TCH) carrier and release platform was constructed (pGO-TCH). The nanostructures were fully characterized by TEM, AFM, FTIR and Raman spectra, which demonstrated that TCH were uniformly and compactly deposited on PEI modified GO nanosheets. The antibacterial performances of the prepared nanostructures were investigated by disk diffusion method and bacterial growth kinetics method towards Gram-positive S. aureus and Gram-negative E. coli. Results show that pGO-TCH nanostructures exhibit good antibacterial behavior. The mechanism of antibacterial activity was studied. Moreover, the nanostructures showed good cytocompatibility. This study not only highlights a promising pGO-TCH nanostructure as a candidate of graphene-based antibacterial agent, but also provides us antibacterial mechanism between bacteria and graphene-based nanomaterials.
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Affiliation(s)
- Lei Jiang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China
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11
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Wen P, Wang Y, Wang N, Zhang S, Peng B, Deng Z. Preparation and characterization of melamine-formaldehyde/Ag composite microspheres with surface-enhanced Raman scattering and antibacterial activities. J Colloid Interface Sci 2018; 531:544-554. [DOI: 10.1016/j.jcis.2018.07.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/04/2018] [Accepted: 07/05/2018] [Indexed: 01/01/2023]
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12
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Amari H, Guerrouache M, Mahouche-Chergui S, Abderrahim R, Carbonnier B. In situ synthesis of silver nanoparticles on densely amine-functionalized polystyrene: Highly active nanocomposite catalyst for the reduction of methylene blue. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4468] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Heni Amari
- Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC; F-94320 Thiais France
- Laboratory of Physics of Lamellaires Materials and Hybrids Nanomaterials, Faculty of Sciences of Bizerte, Zarzouna; University of Carthage; 7021 Bizerte Tunisia
| | | | | | - Raoudha Abderrahim
- Laboratory of Physics of Lamellaires Materials and Hybrids Nanomaterials, Faculty of Sciences of Bizerte, Zarzouna; University of Carthage; 7021 Bizerte Tunisia
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Ye X, Hao C, Yang J, Sun R. Influence of modified silica nanoparticles on phase behavior and structure properties of DPPC monolayers. Colloids Surf B Biointerfaces 2018; 172:480-486. [PMID: 30199765 DOI: 10.1016/j.colsurfb.2018.08.070] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/20/2018] [Accepted: 08/31/2018] [Indexed: 11/28/2022]
Abstract
In this work, the effect of silica nanoparticles (NPs) adding to DPPC monolayer and the interaction between DPPC and silica nanoparticles are studied. Silica nanoparticles are prepared by microemulsion, meanwhile, DMDCS and APTES are used to modify silica NPs to get three types of modified silica NPs. These samples are mixed with DPPC to form mixed monolayer. By using the atomic force microscope (AFM), surface pressure-area and pressure-time isotherms, the effects of different hydrophilic-hydrophobic silica nanoparticles on the interface of lipid monolayer is analyzed. The data shows that the addition of silica nanoparticles changes the phase behavior, the collapse time and the structure of monolayer. Hydrophilic silica NPs decreases the collapse pressure and rigidity of DPPC monolayer, and makes monolayer collapse earlier since the steric hindrance leads to the resistance to compression, while hydrophobic silica NPs have less effect on monolayer in collapse pressure or rigidity but the texture of monolayer, and the addition of hydrophobic NPs causes the appearance of holes in the monolayer. We suppose that there are several possible locations of hydrophobic and hydrophilic silica nanoparticles in the air-water interface, which leads to different effects on the structure and rheological behavior of monolayer. This study can deepen the understanding on how nanoparticles affect human body since industries of nanoparticles on drug delivery, oil recovery and floatation are developing rapidly and getting more and more outside interest on a daily basis.
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Affiliation(s)
- Xiaoqi Ye
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China
| | - Changchun Hao
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China.
| | - Juanjuan Yang
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China
| | - Runguang Sun
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China.
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Self-template synthesis of nickel silicate and nickel silicate/nickel composite nanotubes and their applications in wastewater treatment. J Colloid Interface Sci 2018; 522:191-199. [DOI: 10.1016/j.jcis.2018.03.044] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 03/13/2018] [Accepted: 03/13/2018] [Indexed: 11/20/2022]
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15
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Pinheiro PC, Daniel-da-Silva AL, Nogueira HIS, Trindade T. Functionalized Inorganic Nanoparticles for Magnetic Separation and SERS Detection of Water Pollutants. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800132] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Paula C. Pinheiro
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
| | | | | | - Tito Trindade
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
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16
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Yu S, Liu Z, Li H, Zhang J, Yuan XX, Jia X, Wu Y. Combination of a graphene SERS substrate and magnetic solid phase micro-extraction used for the rapid detection of trace illegal additives. Analyst 2018; 143:883-890. [DOI: 10.1039/c7an01547j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surface enhanced Raman scattering (SERS) is an ultra-sensitive spectroscopy technique, which can provide rich structural information for a great number of molecules, while solid phase micro-extraction (SPME) is an efficient method for sample pretreatment in analytical chemistry, particularly in a micro-system.
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Affiliation(s)
- Shihua Yu
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Zhigang Liu
- Center of Analysis and Measurement
- Jilin Institute of Chemical Technology
- Jilin 132022
- P. R. China
| | - Hongwei Li
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Jianpo Zhang
- College of Chemical & Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- P. R. China
| | - Xin-xin Yuan
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Xiangyu Jia
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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17
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SERS Detection of Penicillin G Using Magnetite Decorated with Gold Nanoparticles. MAGNETOCHEMISTRY 2017. [DOI: 10.3390/magnetochemistry3040032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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18
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Li Z, Du Z, Sun K, He X, Chen B. Controllable fabrication of Ag-nanoplate-decorated PAN-nanopillar arrays and their application in surface-enhanced Raman scattering. RSC Adv 2017. [DOI: 10.1039/c7ra11102a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This article demonstrates a controllable and low-cost fabrication approach to large-scale flexible films with one side consisting of ordered and vertically aligned Ag-nanoplates assembled PAN-nanopillar arrays with high-density and uniform hot spots.
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Affiliation(s)
- Zhongbo Li
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
- Key Laboratory of Materials Physics
| | - Zhaofang Du
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
| | - Kexi Sun
- College of Physics and Electronic Information
- Luoyang Normal University
- Luoyang 471022
- China
| | - Xuan He
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Bensong Chen
- Key Laboratory of Materials Physics
- Key Laboratory of Nanomaterials and Nanotechnology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei
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19
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Li Q, Gong Z, Li Y, Liu H, Feng L, Liu S, Yun F. Electro-Optical Properties of Low-Temperature Growth Indium-tin-oxide Nanowires Using Polystyrene Spheres as Catalyst. NANOSCALE RESEARCH LETTERS 2016; 11:131. [PMID: 26956600 PMCID: PMC4783322 DOI: 10.1186/s11671-016-1342-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 02/27/2016] [Indexed: 06/05/2023]
Abstract
Polystyrene sphere was chosen as a catalyst to fabricate indium-tin-oxide (ITO) nanowires (NWs) with a low-temperature (280-300 °C) electron-beam deposition process, bearing high purity. The ITO NWs with diameter of 20-50 nm and length of ~2 um were obtained. X-ray diffraction and high-resolution transmission electron microscope show high crystal quality. The transmittance is above 90 % at a wavelength 400 nm or more, superior to the ITO bulk film. Owing to the unique morphology gradient of the ITO NWs, the effective refractive index of ITO NWs film is naturally graded from the bottom to the top. The ITO NWs have been used on LED devices (λ = 450 nm), which improved the light output power by 31 % at the current of 150 mA comparing to the one without NWs and did not deteriorate the electrical properties. Such ITO NWs open opportunity in LED devices to further improve light extraction efficiency.
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Affiliation(s)
- Qiang Li
- Key Laboratory of Physical Electronics and Devices of Ministry of Education and Shaanxi Provincial Key Laboratory of Photonics & Information Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
| | - Zhina Gong
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yufeng Li
- Key Laboratory of Physical Electronics and Devices of Ministry of Education and Shaanxi Provincial Key Laboratory of Photonics & Information Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Hao Liu
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Lungang Feng
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Shuo Liu
- Shaanxi Supernova Lighting Technology Co., Ltd, Xi'an, Shaanxi, China
| | - Feng Yun
- Key Laboratory of Physical Electronics and Devices of Ministry of Education and Shaanxi Provincial Key Laboratory of Photonics & Information Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
- Solid-State Lighting Engineering Research Center, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
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20
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Barapatre A, Aadil KR, Jha H. Synergistic antibacterial and antibiofilm activity of silver nanoparticles biosynthesized by lignin-degrading fungus. BIORESOUR BIOPROCESS 2016. [DOI: 10.1186/s40643-016-0083-y] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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21
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Cui J, Ma C, Li Z, Wu L, Wei W, Chen M, Peng B, Deng Z. Polydopamine-functionalized polymer particles as templates for mineralization of hydroxyapatite: biomimetic and in vitro bioactivity. RSC Adv 2016. [DOI: 10.1039/c5ra24821c] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polydopamine-assisted biomimetic mineralization was presented to fabricate hydroxyapatite-based, organic–inorganic hybrid materials with excellent biocompatibility.
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Affiliation(s)
- Junli Cui
- School of Materials Science and Engineering
- Shaanxi Normal University
- Xi'an
- China
| | - Chao Ma
- The Affiliated Drum Tower Hospital of Nanjing University Medical School
- Nanjing
- China
| | - Zhenni Li
- School of Materials Science and Engineering
- Shaanxi Normal University
- Xi'an
- China
| | - Longyun Wu
- The Affiliated Drum Tower Hospital of Nanjing University Medical School
- Nanjing
- China
| | - Wei Wei
- Department of Gastrointestinal Surgery
- The Second Affiliated Hospital of Nanjing Medical University
- Nanjing
- China
| | - Min Chen
- The Affiliated Drum Tower Hospital of Nanjing University Medical School
- Nanjing
- China
| | - Bo Peng
- Department of Chemistry
- Physical and Theoretical Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QZ
- UK
| | - Ziwei Deng
- School of Materials Science and Engineering
- Shaanxi Normal University
- Xi'an
- China
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22
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Tian B, Chen W, Dong Y, Marymont JV, Lei Y, Ke Q, Guo Y, Zhu Z. Silver nanoparticle-loaded hydroxyapatite coating: structure, antibacterial properties, and capacity for osteogenic induction in vitro. RSC Adv 2016. [DOI: 10.1039/c5ra25391h] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AgNP-HAC has the potential to be used on the surfaces of orthopedic and dental implants for infection prophylaxis.
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Affiliation(s)
- Bo Tian
- Shanghai Key Laboratory of Orthopedic Implant
- Department of Orthopedic Surgery
- Shanghai Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
| | - Wei Chen
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Yufeng Dong
- Department of Orthopaedic Surgery
- Louisiana State University Health Sciences Center
- Shreveport
- USA
| | - John V. Marymont
- Department of Orthopaedic Surgery
- Louisiana State University Health Sciences Center
- Shreveport
- USA
| | - Yong Lei
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Qinfei Ke
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Yaping Guo
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Zhenan Zhu
- Shanghai Key Laboratory of Orthopedic Implant
- Department of Orthopedic Surgery
- Shanghai Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
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