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Zheng J, Dong Z, Jin X, Li J, Zou Y, Bai G, Wu Q, Xu S, Wang Z, Sun X, Liu D, Guo L. In vitro Antibacterial Effect Study of Plasma-Activated Saline on Mycobacterium Tuberculosis. Infect Drug Resist 2024; 17:2315-2328. [PMID: 38882657 PMCID: PMC11179663 DOI: 10.2147/idr.s456181] [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: 12/22/2023] [Accepted: 05/22/2024] [Indexed: 06/18/2024] Open
Abstract
Purpose This study aimed to investigate the antibacterial effects of plasma-activated saline (PAS) on My-cobacterium tuberculosis (Mtb). Methods We conducted a growth assay on 3 strains of Mtb and an antibiotic sensitivity test on 4 strains of Mtb. Both tests included groups treated with normal saline (NS), PAS, and hydrochloric acid (HCl). The test of antibiotic sensitivity consisted of parallel tests with two concentrations of bacteria suspension: 10-2 and 10-4. The selected antibiotics were rifampicin (RIF), isoniazid (INH), ethambutol (EMB), and streptomycin (SM). The number of bacteria was determined after one month of culture under different conditions. The Kruskal-Wallis test was used to analyze the differences in grouping factors at representative time points. Results The growth assay indicated that PAS significantly inhibited the growth of 3 strains of Mtb compared with NS and HCl treatment groups. Furthermore, except for the initial observation time point, the remaining three observation time points consistently demonstrate no significant differences between the NS group and the HCl group. The antibiotic sensitivity test of INH, SM, and RIF indicated that PAS could inhibit the growth of antibiotic-resistant Mtb, and the antibiotic sensitivity test of INH and SM with bacterial suspension concentration of 10-2 and SM with bacterial suspension concentration of 10-4 showed statistically different results. The antibiotic sensitivity test of EMB indicated that the growth of Mtb in PAS was slower than that in NS and HCl in both antibiotic-resistant and sensitive Mtb, but there was no statistical difference. Conclusion The study indicates that PAS contains a significant amount of active substances and exhibits high oxidizability and an acidic pH state. The unique physicochemical properties of PAS significantly delayed the growth of Mtb, compared to the NS and the HCl. PAS not only inhibited the growth of drug-sensitive strains but also significantly enhanced the sensitivity of drug-resistant strains to anti-tuberculosis drugs, which may provide a new therapeutic strategy for the treatment of tuberculosis.
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Affiliation(s)
- Jianbao Zheng
- Department of General Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
- Tuberculosis Prevention and Treatment Hospital in Shaanxi Province, Xi'an, 710100, People's Republic of China
| | - Zepeng Dong
- Department of General Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Xianzhen Jin
- Department of General Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Jing Li
- Tuberculosis Prevention and Treatment Hospital in Shaanxi Province, Xi'an, 710100, People's Republic of China
| | - Yuanwu Zou
- Tuberculosis Prevention and Treatment Hospital in Shaanxi Province, Xi'an, 710100, People's Republic of China
| | - Guanghong Bai
- Tuberculosis Prevention and Treatment Hospital in Shaanxi Province, Xi'an, 710100, People's Republic of China
| | - Qianhong Wu
- Tuberculosis Prevention and Treatment Hospital in Shaanxi Province, Xi'an, 710100, People's Republic of China
| | - Shenghang Xu
- Center for Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Zifeng Wang
- Center for Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Xuejun Sun
- Department of General Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Dingxin Liu
- Center for Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Li Guo
- Center for Plasma Biomedicine, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
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Guo L, Zou Z, Smeets R, Kluwe L, Hartjen P, Gosau M, Henningsen A. Attachment and Osteogenic Potential of Dental Pulp Stem Cells on Non-Thermal Plasma and UV Light Treated Titanium, Zirconia and Modified PEEK Surfaces. MATERIALS 2022; 15:ma15062225. [PMID: 35329678 PMCID: PMC8950369 DOI: 10.3390/ma15062225] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/21/2022] [Accepted: 02/25/2022] [Indexed: 11/16/2022]
Abstract
Ultraviolet (UV) light and non-thermal plasma (NTP) treatment are chairside methods that can efficiently improve the biological aging of implant material surfaces caused by customary storage. However, the behaviors of stem cells on these treated surfaces of the implant are still unclear. This study aimed to investigate the effects of UV light and NTP treated surfaces of titanium, zirconia and modified polyetheretherketone (PEEK, BioHPP) on the attachment and osteogenic potential of human dental pulp stem cells (DPSCs) in vitro. Machined disks were treated using UV light and argon or oxygen NTP for 12 min each. Untreated disks were set as controls. DPSCs were cultured from the wisdom teeth of adults that gave informed consent. After 24 h of incubation, the attachment and viability of cells on surfaces were assessed. Cells were further osteogenically induced, alkaline phosphatase (ALP) activity was detected via a p-Nitrophenyl phosphate assay (day 14 and 21) and mineralization degree was measured using a Calcium Assay kit (day 21). UV light and NTP treated titanium, zirconia and BioHPP surfaces improved the early attachment and viability of DPSCs. ALP activity and mineralization degree of osteoinductive DPSCs were significantly increased on UV light and NTP treated surfaces of titanium, zirconia and also oxygen plasma treated Bio-HPP (p < 0.05). In conclusion, UV light and NTP treatments may improve the attachment of DPSCs on titanium, zirconia and BioHPP surfaces. Osteogenic differentiation of DPSCs can be enhanced on UV light and NTP treated surfaces of titanium and zirconia, as well as on oxygen plasma treated Bio-HPP.
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Affiliation(s)
- Linna Guo
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
- Division Regenerative Orofacial Medicine, Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany;
- Correspondence:
| | - Ziang Zou
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
- Department of Gynecology and Obstetrics, The Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Ralf Smeets
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
- Division Regenerative Orofacial Medicine, Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Lan Kluwe
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
| | - Philip Hartjen
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
- Division Regenerative Orofacial Medicine, Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Martin Gosau
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany; (Z.Z.); (R.S.); (L.K.); (P.H.); (M.G.)
| | - Anders Henningsen
- Division Regenerative Orofacial Medicine, Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, 20246 Hamburg, Germany;
- Private Practice ELBE MKG, 22587 Hamburg, Germany
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Choi J, Lee M, Lee Y, Song Y, Cho Y, Lim TH. Effectiveness of Plasma-Treated Hydrogen Peroxide Mist Disinfection in Various Hospital Environments. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:9841. [PMID: 34574763 PMCID: PMC8467658 DOI: 10.3390/ijerph18189841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/14/2021] [Accepted: 09/14/2021] [Indexed: 11/30/2022]
Abstract
Hospital environments are associated with a high risk of infection. As plasma-treated hydrogen peroxide mist disinfection has a higher disinfection efficacy, we tested the efficacy of plasma-treated hydrogen peroxide mist disinfection on several surfaces in various hospital environments. Disinfection was performed in 23 rooms across different hospital environments, including hospital wards, outpatient departments (OPDs), and emergency rooms. A total of 459 surfaces were swabbed before/after disinfection. Surfaces were also divided into plastic, metal, wood, leather, ceramic, silicone, and glass for further analyses. Only gram-positive bacteria were statistically analyzed because the number of gram-negative bacteria and mold was insufficient. Most colony-forming units (CFUs) of gram-positive bacteria were observed in OPDs and on leather materials before disinfection. The proportion of surfaces that showed a percentage decrease in CFU values of more than 90% after disinfection were as follows: OPDs (85%), hospital wards (99%), and emergency rooms (100%); plastic (97%), metal (83%), wood (84%), leather (81%), and others (87%). Plasma-treated hydrogen peroxide mist disinfection resulted in a significant decrease in the CFU values of gram-positive bacteria in various environments. Plasma-treated hydrogen peroxide mist disinfection is an effective and efficient method of disinfecting various hospital environments.
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Affiliation(s)
- Jongbong Choi
- Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea; (J.C.); (M.L.)
| | - Minhyuk Lee
- Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea; (J.C.); (M.L.)
| | - Yangsoon Lee
- Department of Laboratory Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea;
| | - Yeongtak Song
- Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea; (Y.S.); (Y.C.)
| | - Yongil Cho
- Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea; (Y.S.); (Y.C.)
| | - Tae Ho Lim
- Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea; (Y.S.); (Y.C.)
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Cytocompatibility of Titanium, Zirconia and Modified PEEK after Surface Treatment Using UV Light or Non-Thermal Plasma. Int J Mol Sci 2019; 20:ijms20225596. [PMID: 31717459 PMCID: PMC6888564 DOI: 10.3390/ijms20225596] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/28/2019] [Accepted: 11/05/2019] [Indexed: 12/16/2022] Open
Abstract
A number of modifications have been developed in order to enhance surface cytocompatibility for prosthetic support of dental implants. Among them, ultraviolet (UV) light and non-thermal plasma (NTP) treatment are promising methods. The objective of this study was to compare the effects of UV light and NTP on machined titanium, zirconia and modified polyetheretherketone (PEEK, BioHPP) surfaces in vitro. Machined samples of titanium, zirconia and BioHPP were treated by UV light and NTP of argon or oxygen for 12 min each. Non-treated disks were set as controls. A mouse fibroblast and a human gingival fibroblast cell line were used for in vitro experiments. After 2, 24 and 48 h of incubation, the attachment, viability and cytotoxicity of cells on surfaces were assessed. Results: Titanium, zirconia and BioHPP surfaces treated by UV light and oxygen plasma were more favorable to the early attachment of soft-tissue cells than non-treated surfaces, and the number of cells on those treated surfaces was significantly increased after 2, 24 and 48 h of incubation (p < 0.05). However, the effects of argon plasma treatment on the cytocompatibility of soft tissue cells varied with the type of cells and the treated material. UV light and oxygen plasma treatments may improve the attachment of fibroblast cells on machined titanium, zirconia and PEEK surfaces, that are materials for prosthetic support of dental implants.
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Plasma treatment as an efficient tool for controlled drug release from polymeric materials: A review. J Control Release 2017; 266:57-74. [DOI: 10.1016/j.jconrel.2017.09.023] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/13/2017] [Accepted: 09/15/2017] [Indexed: 12/19/2022]
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Henningsen A, Smeets R, Hartjen P, Heinrich O, Heuberger R, Heiland M, Precht C, Cacaci C. Photofunctionalization and non-thermal plasma activation of titanium surfaces. Clin Oral Investig 2017; 22:1045-1054. [PMID: 28730456 DOI: 10.1007/s00784-017-2186-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 07/12/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The aim of this study was to compare UV light and non-thermal plasma (NTP) treatment regarding the improvement of physical material characteristics and cell reaction on titanium surfaces in vitro after short-term functionalization. MATERIALS AND METHODS Moderately rough (Ra 1.8-2.0 μm) sandblasted and acid-etched titanium disks were treated by UV light (0.05 mW/cm2 at λ = 360 nm and 2 mW/cm2 at λ = 250 nm) or by NTP (24 W, -0.5 mbar) of argon or oxygen for 12 min each. Surface structure was investigated by scanning electron microscopy, confocal microscopy and X-ray photoelectron spectroscopy (XPS). Hydrophilicity was assessed by dynamic contact angle measurement. Cell attachment, viability, cell proliferation and cytotoxicity were assessed in vitro using murine osteoblast-like cells. RESULTS UV irradiation or NTP treatment of titanium surfaces did not alter the surface structure. XPS analysis revealed a significantly increased oxidation of the surface and a decrease of carbon after the use of either method. NTP and UV light led to a significant better cell attachment of murine osteoblasts; significantly more osteoblasts grew on the treated surfaces at each time point (p < 0.001). CONCLUSIONS UV light as well as NTP modified the surface of titanium and significantly improved the conditions for murine osteoblast cells in vitro. However, results indicate a slight advantage for NTP of argon and oxygen in a short time interval of surface functionalization compared to UV. CLINICAL RELEVANCE UV light and NTP are able to improve surface conditions of dental implants made of titanium.
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Affiliation(s)
- Anders Henningsen
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany.
- Department of Oral and Maxillofacial Surgery, German Armed Forces Hospital, Lesserstrasse 180, 22049, Hamburg, Germany.
| | - Ralf Smeets
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Philip Hartjen
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Oliver Heinrich
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Roman Heuberger
- RMS Foundation, Bischmattstraße 12, 2544, Bettlach, Switzerland
| | - Max Heiland
- Department of Oral and Maxillofacial Surgery, Charité University Hospital, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Clarissa Precht
- Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
| | - Claudio Cacaci
- Implant Competence Centrum, Weinstr. 4, 80333, Munich, Germany
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