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McGlumphy S, Damai A, Salameh L, Corbin GB, Wang Q, Markiewicz J, Mosher JJ, Spitzer N, Quiñones R. Biocompatible antibiotic-coupled nickel-titanium nanoparticles as a potential coating material for biomedical devices. Heliyon 2024; 10:e31434. [PMID: 38831845 PMCID: PMC11145499 DOI: 10.1016/j.heliyon.2024.e31434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 05/04/2024] [Accepted: 05/15/2024] [Indexed: 06/05/2024] Open
Abstract
The challenges facing metallic implants for reconstructive surgery include the leaching of toxic metal ions, a mismatch in elastic modulus between the implant and the treated tissue, and the risk of infection. These problems can be addressed by passivating the metal surface with an organic substrate and incorporating antibiotic molecules. Nitinol (NiTi), a nickel-titanium alloy, is used in devices for biomedical applications due to its shape memory and superelasticity. However, unmodified NiTi carries a risk of localized nickel toxicity and inadequately supports angiogenesis or neuroregeneration due to limited cell adhesion, poor biomineralization, and little antibacterial activity. To address these challenges, NiTi nanoparticles were modified using self-assembled phosphonic acid monolayers and functionalized with the antibiotics ceftriaxone and vancomycin via the formation of an amide. Surface modifications were monitored to confirm that phosphonic acid modifications were present on NiTi nanoparticles and 100% of the samples formed ordered films. Modifications were stable for more than a year. Elemental composition showed the presence of nickel, titanium, and phosphorus (1.9% for each sample) after surface modifications. Dynamic light scattering analysis suggested some agglomeration in solution. However, scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy confirmed a particle size distribution of <100 nm, the even distribution of nanoparticles on coverslips, and elemental composition before and after cell culture. B35 neuroblastoma cells exhibited no inhibition of survival and extended neurites of approximately 100 μm in total length when cultured on coverslips coated with only poly-l-lysine or with phosphonic acid-modified NiTi, indicating high biocompatibility. The ability to support neural cell growth and differentiation makes modified NiTi nanoparticles a promising coating for surfaces in metallic bone and nerve implants. NiTi nanoparticles functionalized with ceftriaxone inhibited Escherichia coli and Serratia marcescens (SM6) at doses of 375 and 750 μg whereas the growth of Bacillus subtilis was inhibited by a dose of only 37.5 μg. NiTi-vancomycin was effective against B. subtilis at all doses even after mammalian cell culture. These are common bacteria associated with infected implants, further supporting the potential use of functionalized NiTi in coating reconstructive implants.
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Affiliation(s)
- Sarah McGlumphy
- Department of Chemistry, Marshall University, Huntington, WV, 25755, USA
- Department of Biological Sciences, Marshall University, Huntington, WV, 25755, USA
| | - Aakriti Damai
- Department of Chemistry, Marshall University, Huntington, WV, 25755, USA
- Department of Biological Sciences, Marshall University, Huntington, WV, 25755, USA
| | - Lena Salameh
- Department of Chemistry, Marshall University, Huntington, WV, 25755, USA
| | - Gabriell B. Corbin
- Department of Biological Sciences, Marshall University, Huntington, WV, 25755, USA
| | - Qiang Wang
- Shared Research Facilities, West Virginia University, Morgantown, WV, 25606, USA
| | - John Markiewicz
- Department of Chemistry, Marshall University, Huntington, WV, 25755, USA
| | - Jennifer J. Mosher
- Department of Biological Sciences, Marshall University, Huntington, WV, 25755, USA
| | - Nadja Spitzer
- Department of Biological Sciences, Marshall University, Huntington, WV, 25755, USA
| | - Rosalynn Quiñones
- Department of Chemistry, Marshall University, Huntington, WV, 25755, USA
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Jiang Y, Sun H, Guo J, Liang Y, Qin P, Yang Y, Luo L, Leng L, Gong X, Wu Z. Vacancy Engineering in 2D Transition Metal Chalcogenide Photocatalyst: Structure Modulation, Function and Synergy Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2310396. [PMID: 38607299 DOI: 10.1002/smll.202310396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/08/2024] [Indexed: 04/13/2024]
Abstract
Transition metal chalcogenides (TMCs) are widely used in photocatalytic fields such as hydrogen evolution, nitrogen fixation, and pollutant degradation due to their suitable bandgaps, tunable electronic and optical properties, and strong reducing ability. The unique 2D malleability structure provides a pre-designed platform for customizable structures. The introduction of vacancy engineering makes up for the shortcomings of photocorrosion and limited light response and provides the greatest support for TMCs in terms of kinetics and thermodynamics in photocatalysis. This work reviews the effect of vacancy engineering on photocatalytic performance based on 2D semiconductor TMCs. The characteristics of vacancy introduction strategies are summarized, and the development of photocatalysis of vacancy engineering TMCs materials in energy conversion, degradation, and biological applications is reviewed. The contribution of vacancies in the optical range and charge transfer kinetics is also discussed from the perspective of structure manipulation. Vacancy engineering not only controls and optimizes the structure of the TMCs, but also improves the optical properties, charge transfer, and surface properties. The synergies between TMCs vacancy engineering and atomic doping, other vacancies, and heterojunction composite techniques are discussed in detail, followed by a summary of current trends and potential for expansion.
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Affiliation(s)
- Yi Jiang
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Haibo Sun
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Jiayin Guo
- School of Resources and Environment, Hunan University of Technology and Business, Changsha, 410205, P. R. China
| | - Yunshan Liang
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Pufeng Qin
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Yuan Yang
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Lin Luo
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Lijian Leng
- School of Energy Science and Engineering, Central South University, Changsha, 410083, P. R. China
| | - Xiaomin Gong
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
| | - Zhibin Wu
- Key Laboratory for Rural Ecosystem Health in the Dongting Lake Area of Hunan Province, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, P. R. China
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Chen Q, Hu L, Shi Y, Liu C, Hou Y, Bi J, Yu JC, Wu L. Cu 2O/WO 3 S-scheme heterojunctions for photocatalytic degradation of levofloxacin based on coordination activation. CHEMOSPHERE 2024; 352:141446. [PMID: 38354866 DOI: 10.1016/j.chemosphere.2024.141446] [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: 12/08/2023] [Revised: 01/26/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
Heterogeneous photocatalytic degradation of antibiotic involves the activation of antibiotic molecules and the photocatalytic oxidation process. However, the simultaneous improvement of these processes is still a challenge. Herein, S-scheme heterojunctions consisted of Cu2O nanocluster with defective WO3 nanosheets were constructed for efficient photocatalytic degradation of levofloxacin (LVX). The typical CNS-5 composite (5 wt% Cu2O/WO3) achieves an optimal LVX degradation efficiency of 97.9% within 80 min. The spatial charge separation and enhancement of redox capacity were realized by the formation of S-scheme heterojunction between Cu2O and WO3. Moreover, their interfacial interaction would lead to the loss of lattice oxygen and the generation of W5+ sites. It is witnessed that the C-N of piperazine ring and CO of carboxylic acid in LVX are coordinated with W5+ sites to build the electronic bridge to activate LVX, greatly promoting the further degradation. This work highlights the important role of selective coordination activation cooperated with S-type heterojunctions for the photocatalytic degradation and offers a new view to understand the degradation of antibiotics at molecular level.
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Affiliation(s)
- Qi Chen
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Ling Hu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Yingzhang Shi
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan, 570228, China.
| | - Cheng Liu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Yidong Hou
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Jinhong Bi
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; Department of Environmental Science and Engineering, Fuzhou University, Minhou, Fujian, 350108, China.
| | - Jimmy C Yu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Ling Wu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China.
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Jia H, Xu H, Shi M, Lu K, Tao Y, Xia M, Wang F. Construction of ACNF/Polypyrrole/MIL-100-Fe composites with exceptional removal performance for ceftriaxone and indomethacin inspired by "Ecological Infiltration System". J Colloid Interface Sci 2023; 650:1152-1163. [PMID: 37473475 DOI: 10.1016/j.jcis.2023.07.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Developing advanced adsorbents for removing the alarming level of pharmaceuticals active compounds (PhACs) pollution is an urgent task for environmental treatment. Herein, a novel acid-treated carbon nanofiber/polypyrrole/MIL-100-Fe (ACNF/PPy/MIL-100-Fe) with stable 3D-supporting skeleton and hierarchical porous structure had been fabricated to erasure ceftriaxone (CEF) and indomethacin (IDM) from aqueous solution. ACNF as scaffold achieved the highly uniform growth of MIL-100-Fe and PPy. Viewing the large BET surface area (SBET, 999.7 m2/g), highly exposed accessible active sites and copious functional groups, ACNF/PPy/MIL-100-Fe separately showed an excellent adsorption capacity for CEF (294.7 mg/g) and IDM (751.8 mg/g), outstripping the most previously reported adsorbents. Moreover, ACNF/PPy/MIL-100-Fe reached rapid adsorption kinetics and standout reusability property. Further, the redesigned easy-to-recyclable ACF/PPy/MIL-100-Fe inspired by the electrode formation craft achieved prominent adsorption capacity and good reusability property. The adsorption mechanism was evaluated via Fourier transformed infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). The outcomes revealed that the splendid adsorption capability mainly depended on the electrostatic interactions, hydrogen bonding and π-π interactions. This work sheds light on one facile practical strategy to exploit advanced materials in water environmental remediation.
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Affiliation(s)
- Huijuan Jia
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Haihua Xu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mingxing Shi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Keren Lu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yu Tao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mingzhu Xia
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Fengyun Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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Wang F, Zhang W, Liu H, Cao R, Chen M. Roles of CeO 2 in preparing Ce-doped CdIn 2S 4 with boosted photocatalytic degradation performance for methyl orange and tetracycline hydrochloride. CHEMOSPHERE 2023; 338:139574. [PMID: 37479000 DOI: 10.1016/j.chemosphere.2023.139574] [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: 05/09/2023] [Revised: 07/05/2023] [Accepted: 07/17/2023] [Indexed: 07/23/2023]
Abstract
Element doping is considered as a feasible strategy to develop efficient photocatalysts. In this study, a Ce-doped CdIn2S4 photocatalyst was prepared through a modified coprecipitation method. During the synthesis of Ce-doped CdIn2S4, the CeO2 nanorods were gradually reduced by the decomposition products of thioacetamide (TAA), and mainly existed as Ce(III) in the supernatant. This resulted in a large increase in the specific surface area of the as-obtained products, providing more exposed active sites for the reactant. Additionally, a trace amount of Ce was doped into the lattice of the CdIn2S4, resulting in a significant effect on the band structure. By tracing the roles of CeO2 during the synthesis process, a possible reaction mechanism was proposed. Benefiting from the synergistic advantages of the structural and compositional features, the optimal sample showed enhanced photocatalytic activities for the degradation of methyl orange (94.6% within 25 min) and tetracycline hydrochloride (85.6% within 120 min). The degradation rates were 13.3 times and 2.7 times higher than that of pristine CdIn2S4. This work may provide a strategy for designing metal element doped photocatalysts with good activity for pollutant removal.
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Affiliation(s)
- Fengjue Wang
- Department of Materials Science, Fudan University, Shanghai, 200433, PR China
| | - Wenjun Zhang
- Department of Materials Science, Fudan University, Shanghai, 200433, PR China
| | - Han Liu
- Department of Materials Science, Fudan University, Shanghai, 200433, PR China
| | - Ronggen Cao
- Department of Materials Science, Fudan University, Shanghai, 200433, PR China
| | - Meng Chen
- Department of Materials Science, Fudan University, Shanghai, 200433, PR China.
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