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Qian Y, Zhao J, Liu L, Hu H, Wang B, Zhang H. Bioinspired Phosphorylcholine Coating for Surface Functionalization of Interventional Biomedical Implants with Bacterial Resistance and Anti-Encrustation Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3597-3606. [PMID: 35266725 DOI: 10.1021/acs.langmuir.2c00263] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Enhancing the lubrication property and bacterial resistance is extremely important for interventional biomedical implants to avoid soft tissue damage and biofilm formation. In this study, a zwitterionic phosphorylcholine coating (PMPC) was successfully developed to achieve surface functionalization of a polyurethane (PU)-based ureteral stent via subsurface "grafting from" photopolymerization. Typical surface characterizations such as Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and surface wettability and morphology analyses examined by scanning electron microscopy, atomic force microscopy, and transmission electron microscopy demonstrated that the phosphorylcholine polymer was grafted on the substrate with a thickness of 180 nm. Additionally, the tribological experiment performed by a universal material tester showed that the lubrication performance of PU-PMPC was significantly improved compared with that of PU. The in vitro experiments indicated that the PMPC coating was biocompatible and stably modified on the surface of the substrate with an excellent bacterial resistance rate of >90%. Furthermore, the result of the in vivo experiment showed that the anti-encrustation performance of the surface-functionalized ureteral stent was better than that of the bare ureteral stent. The great enhancement in the lubrication, bacterial resistance, and anti-encrustation properties of the phosphorylcholine coating was thought to be due to the hydration effects of the zwitterionic charges. In summary, the bioinspired zwitterionic phosphorylcholine coating developed herein achieved significantly improved lubrication, bacterial resistance, and anti-encrustation performances and could be used as a convenient approach for surface functionalization of interventional biomedical implants.
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Affiliation(s)
- Yifu Qian
- School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Jing Zhao
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Long Liu
- School of Chemical Engineering and Technology, Hainan University, Haikou 570228, China
| | - Hao Hu
- Department of Urology, Peking University People's Hospital, Beijing 100044, China
| | - Bo Wang
- School of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Hongyu Zhang
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
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Biocompatible mechano-bactericidal nanopatterned surfaces with salt-responsive bacterial release. Acta Biomater 2022; 141:198-208. [PMID: 35066170 DOI: 10.1016/j.actbio.2022.01.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/05/2022] [Accepted: 01/17/2022] [Indexed: 12/15/2022]
Abstract
Bio-inspired nanostructures have demonstrated highly efficient mechano-bactericidal performances with no risk of bacterial resistance; however, they are prone to become contaminated with the killed bacterial debris. Herein, a biocompatible mechano-bactericidal nanopatterned surface with salt-responsive bacterial releasing behavior is developed by grafting salt-responsive polyzwitterionic (polyDVBAPS) brushes on a bio-inspired nanopattern surface. Benefiting from the salt-triggered configuration change of the grafted polymer brushes, this dual-functional surface shows high mechano-bactericidal efficiency in water (low ionic strength condition), while the dead bacterial residuals can be easily lifted by the extended polymer chains and removed from the surface in 1 M NaCl solution (high ionic strength conditions). Notably, this functionalized nanopatterned surface shows selective biocidal activity between bacterial cells sand eukaryotic cells. The biocompatibility with red blood cells (RBCs) and mammalian cells was tested in vitro. The histocompatibility and prevention of perioperative contamination activity were verified by in vivo evaluation in a rat subcutaneous implant model. This nanopatterned surface with bacterial killing and releasing activities may open new avenues for designing bio-inspired mechano-bactericidal platforms with long-term efficacy, thus presenting a facile alternative in combating perioperative-related bacterial infection. STATEMENT OF SIGNIFICANCE: Bioinspired nanostructured surfaces with noticeable mechano-bactericidal activity showed great potential in moderating drug-resistance. However, the nanopatterned surfaces are prone to be contaminated by the killed bacterial debris and compromised the bactericidal performance. In this study, we provide a dual-functional antibacterial conception with both mechano-bactericidal and bacterial releasing performances not requiring external chemical bactericidal agents. Additionally, this functionalized antibacterial surface also shows selective biocidal activity between bacteria and eukaryotic cells, and the excellent biocompatibility was tested in vitro and in vivo. The new concept for the functionalized mechano-bactericidal surface here illustrated presents a facile antibiotic-free alternative in combating perioperative related bacterial infection in practical application.
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Shi T, Ruan Z, Wang X, Lian X, Chen Y. Erythrocyte Membrane-Enveloped Molybdenum Disulfide Nanodots for Biofilm Elimination on Implants via Toxin Neutralization and Immune Modulation. J Mater Chem B 2022; 10:1805-1820. [PMID: 35199816 DOI: 10.1039/d1tb02615a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Implant-related infections (IRIs) caused by bacterial biofilms remain a prevalent but tricky clinical issue, which are characterized by drug resistance, toxin impairment and immunity suppression. Recently, antimicrobial therapies based on...
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Affiliation(s)
- Tingwang Shi
- Department of Orthopedic Surgery, and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P. R. China.
| | - Zesong Ruan
- Department of Orthopedic Surgery, and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P. R. China.
| | - Xin Wang
- Department of Orthopedic Surgery, and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P. R. China.
| | - Xiaofeng Lian
- Department of Orthopedic Surgery, and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P. R. China.
| | - Yunfeng Chen
- Department of Orthopedic Surgery, and Shanghai Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P. R. China.
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54
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Jiang R, Yi Y, Hao L, Chen Y, Tian L, Dou H, Zhao J, Ming W, Ren L. Thermoresponsive Nanostructures: From Mechano-Bactericidal Action to Bacteria Release. ACS APPLIED MATERIALS & INTERFACES 2021; 13:60865-60877. [PMID: 34905683 DOI: 10.1021/acsami.1c16487] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Overuse of antibiotics can increase the risk of notorious antibiotic resistance in bacteria, which has become a growing public health concern worldwide. Featured with the merit of mechanical rupture of bacterial cells, the bioinspired nanopillars are promising alternatives to antibiotics for combating bacterial infections while avoiding antibacterial resistance. However, the resident dead bacterial cells on nanopillars may greatly impair their bactericidal capability and ultimately impede their translational potential toward long-term applications. Here, we show that the functions of bactericidal nanopillars can be significantly broadened by developing a hybrid thermoresponsive polymer@nanopillar-structured surface, which retains all of the attributes of pristine nanopillars and adds one more: releasing dead bacteria. We fabricate this surface through coaxially decorating mechano-bactericidal ZnO nanopillars with thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) brushes. Combining the benefits of ZnO nanopillars and PNIPAAm chains, the antibacterial performances can be controllably regulated between ultrarobust mechano-bactericidal action (∼99%) and remarkable bacteria-releasing efficiency (∼98%). Notably, both the mechanical sterilization against the live bacteria and the controllable release for the pinned dead bacteria solely stem from physical actions, stimulating the exploration of intelligent structure-based bactericidal surfaces with persistent antibacterial properties without the risk of triggering drug resistance.
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Affiliation(s)
- Rujian Jiang
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, China
| | - Yaozhen Yi
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
| | - Lingwan Hao
- College of Chemistry, Jilin University, Changchun 130022, China
| | - Yuxiang Chen
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
| | - Limei Tian
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
| | - Haixu Dou
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
| | - Jie Zhao
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
| | - Weihua Ming
- Department of Chemistry and Biochemistry, Georgia Southern University, Statesboro, Georgia 30460, United States
| | - Luquan Ren
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
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Ma B, Chen Y, Hu G, Zeng Q, Lv X, Oh DH, Fu X, Jin Y. Ovotransferrin Antibacterial Peptide Coupling Mesoporous Silica Nanoparticle as an Effective Antibiotic Delivery System for Treating Bacterial Infection In Vivo. ACS Biomater Sci Eng 2021; 8:109-118. [PMID: 34936344 DOI: 10.1021/acsbiomaterials.1c01267] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Antibiotic-resistant pathogens are a serious threat to global public health. The emergence of drug-resistant pathogens is due to the improper use of antibiotics, making the treatment of bacterial infections very challenging. Here, we reported an efficient antibiotic delivery nanoparticle to minimize antibiotic resistance. The nanoparticle was designed to target the bacterial membrane using mesoporous silica nanoparticles (MSNs) modified with an ovotransferrin-derived antimicrobial peptide (OVTp12), enabling the antibiotic to be delivered to the vicinity of the pathogenic bacteria. Moreover, we observed that OVTp12-modified nanoparticles effectively inhibited the growth of Escherichia coli in vitro and in vivo. The nanoparticle with high biosafety could significantly downregulate the expression of inflammation-related cytokines in infected tissues. Thus, this novel bacterial targeted nanoparticle provides advantages in minimizing bacterial drug resistance and treating bacterial infection.
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Affiliation(s)
- Bin Ma
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Yue Chen
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Gan Hu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Qi Zeng
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Xiaohui Lv
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Deog Hwan Oh
- Department of Bioconvergence Science and Technology, College of Agriculture and Life Science, Kangwon National University, Chunchon 24341, South Korea
| | - Xing Fu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
| | - Yongguo Jin
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, P. R. China
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56
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Yi SY, Lin HY, Yang LC, Tseng SC, Sun AY, Chen C, Wan D. Substrate-independent adsorption of nanoparticles as anti-biofilm coatings. Biomater Sci 2021; 10:410-422. [PMID: 34860214 DOI: 10.1039/d1bm01580j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Healthcare-associated infections are common causes of morbidity and mortality. Advanced nanotechnology provides a means of overcoming this problem, but it remains challenging to develop universal coating strategies for decorating antimicrobial nanomaterials onto various clinical devices. In this paper, we propose a general silane-based method for immobilizing monolayer metal nanoparticle (NP) arrays onto any type of substrate surface-especially for a diverse range of clinical implantable devices. The surface silanization was achieved simply through the adsorption of N1-(3-trimethoxysilylpropyl)diethylenetriamine (TMS), regardless of the material (polymer, metal, oxide) or morphology (flat, curved, textured) of the substrate, with no need for pretreatment or expensive instrumentation. Monolayers of various nanostructures (Ag, Au, and hollow Au NPs) were then decorated rapidly onto the TMS-treated substrates, thereby further functionalizing their surfaces. In particular, immobilization of the Ag NPs resulted in excellent anti-biofilm efficacy against three clinically life-threatening pathogens: Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus. Sustained release of Ag+ ions led to durable inhibition of bacterial attachment for up to 28 days. Studies with NIH3T3 fibroblasts revealed that the Ag NP arrays displayed no cytotoxicity toward mammalian cells. Overall, this universal coating process appears to be an innovative method for the surface-functionalization of diverse materials and devices employed in the fields of energy, sensing, and medicine-especially to prevent healthcare-associated infections arising from the use of clinical implantable devices in hospitals.
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Affiliation(s)
- Shang-Yi Yi
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Hsin-Yao Lin
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan.,Institute of NanoEngineering and Microsystems, National Tsing Hua University, Taipei, Taiwan.,Department of Surgery, Division of Neurosurgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Ling-Chu Yang
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Shao-Chin Tseng
- Experimental Facility Division, National Synchrotron Radiation Research Center, Hsinchu, Taiwan
| | - Aileen Y Sun
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Chihchen Chen
- Institute of NanoEngineering and Microsystems, National Tsing Hua University, Taipei, Taiwan.,Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - Dehui Wan
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan.,Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, Taiwan.
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57
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Richter AM, Buchberger G, Stifter D, Duchoslav J, Hertwig A, Bonse J, Heitz J, Schwibbert K. Spatial Period of Laser-Induced Surface Nanoripples on PET Determines Escherichia coli Repellence. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3000. [PMID: 34835763 PMCID: PMC8624992 DOI: 10.3390/nano11113000] [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: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 12/18/2022]
Abstract
Bacterial adhesion and biofilm formation on surfaces are associated with persistent microbial contamination, biofouling, and the emergence of resistance, thus, calling for new strategies to impede bacterial surface colonization. Using ns-UV laser treatment (wavelength 248 nm and a pulse duration of 20 ns), laser-induced periodic surface structures (LIPSS) featuring different sub-micrometric periods ranging from ~210 to ~610 nm were processed on commercial poly(ethylene terephthalate) (PET) foils. Bacterial adhesion tests revealed that these nanorippled surfaces exhibit a repellence for E. coli that decisively depends on the spatial periods of the LIPSS with the strongest reduction (~91%) in cell adhesion observed for LIPSS periods of 214 nm. Although chemical and structural analyses indicated a moderate laser-induced surface oxidation, a significant influence on the bacterial adhesion was ruled out. Scanning electron microscopy and additional biofilm studies using a pili-deficient E. coli TG1 strain revealed the role of extracellular appendages in the bacterial repellence observed here.
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Affiliation(s)
- Anja M. Richter
- Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany; (A.H.); (J.B.); (K.S.)
| | - Gerda Buchberger
- Institute of Applied Physics, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria; (J.H.)
| | - David Stifter
- Center for Surface and Nanoanalytics, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria; (D.S.); (J.D.)
| | - Jiri Duchoslav
- Center for Surface and Nanoanalytics, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria; (D.S.); (J.D.)
| | - Andreas Hertwig
- Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany; (A.H.); (J.B.); (K.S.)
| | - Jörn Bonse
- Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany; (A.H.); (J.B.); (K.S.)
| | - Johannes Heitz
- Institute of Applied Physics, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria; (J.H.)
| | - Karin Schwibbert
- Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany; (A.H.); (J.B.); (K.S.)
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58
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Thambirajoo M, Maarof M, Lokanathan Y, Katas H, Ghazalli NF, Tabata Y, Fauzi MB. Potential of Nanoparticles Integrated with Antibacterial Properties in Preventing Biofilm and Antibiotic Resistance. Antibiotics (Basel) 2021; 10:1338. [PMID: 34827276 PMCID: PMC8615099 DOI: 10.3390/antibiotics10111338] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/24/2021] [Accepted: 10/26/2021] [Indexed: 01/13/2023] Open
Abstract
Nanotechnology has become an emerging technology in the medical field and is widely applicable for various clinical applications. The potential use of nanoparticles as antimicrobial agents is greatly explored and taken into consideration as alternative methods to overcome the challenges faced by healthcare workers and patients in preventing infections caused by pathogenic microorganisms. Among microorganisms, bacterial infections remain a major hurdle and are responsible for high morbidity and mortality globally, especially involving those with medical conditions and elderly populations. Over time, these groups are more vulnerable to developing resistance to antibiotics, as bacterial biofilms are difficult to destroy or eliminate via antibiotics; thus, treatment becomes unsuccessful or ineffective. Mostly, bacterial biofilms and other microbes can be found on medical devices and wounds where they disperse their contents which cause infections. To inhibit biofilm formations and overcome antibiotic resistance, antimicrobial-loaded nanoparticles alone or combined with other substances could enhance the bactericidal activity of nanomaterials. This includes killing the pathogens effectively without harming other cells or causing any adverse effects to living cells. This review summarises the mechanisms of actions employed by the different types of nanoparticles which counteract infectious agents in reducing biofilm formation and improve antibiotic therapy for clinical usage.
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Affiliation(s)
- Maheswary Thambirajoo
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia; (M.T.); (M.M.); (Y.L.)
| | - Manira Maarof
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia; (M.T.); (M.M.); (Y.L.)
| | - Yogeswaran Lokanathan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia; (M.T.); (M.M.); (Y.L.)
| | - Haliza Katas
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia;
| | - Nur Fatiha Ghazalli
- Biomaterials Unit, School of Dental Sciences, Universiti Sains Malaysia, Kota Bharu 16150, Malaysia;
| | - Yasuhiko Tabata
- Department of Biomaterials, Institute for Frontier Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan;
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia; (M.T.); (M.M.); (Y.L.)
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59
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Xu Q, Hua Y, Zhang Y, Lv M, Wang H, Pi Y, Xie J, Wang C, Yong Y. A Biofilm Microenvironment-Activated Single-Atom Iron Nanozyme with NIR-Controllable Nanocatalytic Activities for Synergetic Bacteria-Infected Wound Therapy. Adv Healthc Mater 2021; 10:e2101374. [PMID: 34617410 DOI: 10.1002/adhm.202101374] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/04/2021] [Indexed: 01/02/2023]
Abstract
Biofilm microenvironment (BME)-activated antimicrobial agents display great potential for improved biofilm-related infection therapy because of their superior specificities and sensitivities, effective eliminations, and minimal side effects. Herein, BME-activated Fe-doped polydiaminopyridine nanofusiform-mediated single-atom nanozyme (FePN SAzyme) is presented for photothermal/chemodynamic synergetic bacteria-infected wound therapy. The photothermal therapy (PTT) function of SAzyme can be specifically initiated by the high level of H2 O2 and further accelerated through mild acid within the inflammatory environment through "two-step rocket launching-like" process. Additionally, the enhanced chemodynamic therapy (CDT) for the FePN SAzyme can also be endowed by producing hydroxyl radicals through reacting with H2 O2 and consuming glutathione (GSH) of the BME, thereby contributing to more efficient synergistic therapeutic effect. Meanwhile, FePN SAzyme could catalyze biofilm-overexpressed H2 O2 decomposing into O2 and overcome the hypoxia of biofilm, which significantly enhances the susceptibility of biofilm and increases the synergistic efficacy. Most importantly, the synergistic therapy of bacterial-induced infection diseases can be switched on by the internal and external stimuli simultaneously, resulting in minimal nonspecific damage to healthy tissue. These remarkable characteristics of FePN SAzyme not only develop an innovative strategy for the BME-activated combination therapy but also open a new avenue to explore other nanozyme-involved nanoplatforms for bacterial biofilm infections.
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Affiliation(s)
- Qiqi Xu
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Yusheng Hua
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Yuetong Zhang
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Mingzhu Lv
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Huan Wang
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Yang Pi
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
| | - Jiani Xie
- College of Pharmacy and Biological Engineering Chengdu University Chengdu 610106 China
| | - Chengyan Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety Institute of High Energy Physics Chinese Academy of Sciences Beijing 100040 China
| | - Yuan Yong
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai‐Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission School of Chemistry and Environment Southwest Minzu University Chengdu 610041 China
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60
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Haidari H, Bright R, Garg S, Vasilev K, Cowin AJ, Kopecki Z. Eradication of Mature Bacterial Biofilms with Concurrent Improvement in Chronic Wound Healing Using Silver Nanoparticle Hydrogel Treatment. Biomedicines 2021; 9:1182. [PMID: 34572368 PMCID: PMC8470956 DOI: 10.3390/biomedicines9091182] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/05/2021] [Accepted: 09/05/2021] [Indexed: 12/15/2022] Open
Abstract
Biofilm-associated infections are a major cause of impaired wound healing. Despite the broad spectrum of anti-bacterial benefits provided by silver nanoparticles (AgNPs), these materials still cause controversy due to cytotoxicity and a lack of efficacy against mature biofilms. Herein, highly potent ultrasmall AgNPs were combined with a biocompatible hydrogel with integrated synergistic functionalities to facilitate elimination of clinically relevant mature biofilms in-vivo combined with improved wound healing capacity. The delivery platform showed a superior release mechanism, reflected by high biocompatibility, hemocompatibility, and extended antibacterial efficacy. In vivo studies using the S. aureus wound biofilm model showed that the AgNP hydrogel (200 µg/g) was highly effective in eliminating biofilm infection and promoting wound repair compared to the controls, including silver sulfadiazine (Ag SD). Treatment of infected wounds with the AgNP hydrogel resulted in faster wound closure (46% closure compared to 20% for Ag SD) and accelerated wound re-epithelization (60% for AgNP), as well as improved early collagen deposition. The AgNP hydrogel did not show any toxicity to tissue and/or organs. These findings suggest that the developed AgNP hydrogel has the potential to be a safe wound treatment capable of eliminating infection and providing a safe yet effective strategy for the treatment of infected wounds.
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Affiliation(s)
- Hanif Haidari
- Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (S.G.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Richard Bright
- Academic Unit of STEM, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Sanjay Garg
- Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (S.G.)
| | - Krasimir Vasilev
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
- Academic Unit of STEM, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Allison J. Cowin
- Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (S.G.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Zlatko Kopecki
- Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (S.G.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
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61
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Squinca P, Berglund L, Hanna K, Rakar J, Junker J, Khalaf H, Farinas CS, Oksman K. Multifunctional Ginger Nanofiber Hydrogels with Tunable Absorption: The Potential for Advanced Wound Dressing Applications. Biomacromolecules 2021; 22:3202-3215. [PMID: 34254779 PMCID: PMC8382245 DOI: 10.1021/acs.biomac.1c00215] [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: 02/16/2021] [Revised: 07/01/2021] [Indexed: 11/30/2022]
Abstract
In this study, ginger residue from juice production was evaluated as a raw material resource for preparation of nanofiber hydrogels with multifunctional properties for advanced wound dressing applications. Alkali treatment was applied to adjust the chemical composition of ginger fibers followed by TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical)-mediated oxidation prior to nanofiber isolation. The effect of alkali treatment on hydrogel properties assembled through vacuum filtration without addition of any chemical cross-linker was evaluated. An outstanding absorption ability of 6200% combined with excellent mechanical properties, tensile strength of 2.1 ± 0.2 MPa, elastic modulus of 15.3 ± 0.3 MPa, and elongation at break of 25.1%, was achieved without alkali treatment. Furthermore, the absorption capacity was tunable by applying alkali treatment at different concentrations and by adjusting the hydrogel grammage. Cytocompatibility evaluation of the hydrogels showed no significant effect on human fibroblast proliferation in vitro. Ginger essential oil was used to functionalize the hydrogels by providing antimicrobial activity, furthering their potential as a multifunctional wound dressing.
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Affiliation(s)
- Paula Squinca
- Division
of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87 Luleå, Sweden
- Embrapa
Instrumentation, Rua
XV de Novembro 1452, 13561-206 São Carlos, SP, Brazil
- Graduate
Program of Chemical Engineering, Federal
University of São Carlos, Rod. Washington Luís-km 235, 13565-905 São Carlos, SP, Brazil
| | - Linn Berglund
- Division
of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87 Luleå, Sweden
| | - Kristina Hanna
- Center
for Disaster Medicine and Traumatology, Department of Biomedical and
Clinical Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Jonathan Rakar
- Center
for Disaster Medicine and Traumatology, Department of Biomedical and
Clinical Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Johan Junker
- Center
for Disaster Medicine and Traumatology, Department of Biomedical and
Clinical Sciences, Linköping University, SE-581 85 Linköping, Sweden
| | - Hazem Khalaf
- Cardiovascular
Research Centre, School of Medical Sciences, Örebro University, SE-703 62 Örebro, Sweden
| | - Cristiane S. Farinas
- Embrapa
Instrumentation, Rua
XV de Novembro 1452, 13561-206 São Carlos, SP, Brazil
- Graduate
Program of Chemical Engineering, Federal
University of São Carlos, Rod. Washington Luís-km 235, 13565-905 São Carlos, SP, Brazil
| | - Kristiina Oksman
- Division
of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87 Luleå, Sweden
- Mechanical
& Industrial Engineering, University
of Toronto, 5 King’s
College Road, Toronto, Ontario M5S 3G8, Canada
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62
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Ibrahim UH, Devnarain N, Omolo CA, Mocktar C, Govender T. Biomimetic pH/lipase dual responsive vitamin-based solid lipid nanoparticles for on-demand delivery of vancomycin. Int J Pharm 2021; 607:120960. [PMID: 34333022 DOI: 10.1016/j.ijpharm.2021.120960] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/25/2021] [Accepted: 07/27/2021] [Indexed: 01/12/2023]
Abstract
In this study, ascorbyl tocopherol succinate (ATS) was designed, synthesized and characterized via FT-IR, HR-MS, H1 NMR and C13 NMR, to simultaneously confer biomimetic and dual responsive properties of an antibiotic nanosystem to enhance their antibacterial efficacy and reduce antimicrobial resistance. Therefore, an in silico-aided design (to mimic the natural substrate of bacterial lipase) was employed to demonstrate the binding potential of ATS to lipase (-32.93 kcal/mol binding free energy (ΔGbind) and bacterial efflux pumps blocking potential (NorA ΔGbind: -37.10 kcal/mol, NorB ΔGbind: -34.46 kcal/mol). ATS bound stronger to lipase than the natural substrate (35 times lower Kd value). The vancomycin loaded solid lipid nanoparticles (VM-ATS-SLN) had a hydrodynamic diameter, zeta potential, polydispersity index and entrapment efficiency of 106.9 ± 1.4 nm, -16.5 ± 0.93 mV, 0.11 ± 0.012 and 61.9 ± 1.31%, respectively. In vitro biocompatibility studies revealed VM-ATS-SLN biosafety and non-haemolytic activity. Significant enhancement in VM release was achieved in response to acidified pH and lipase enzyme, compared to controls. VM-ATS-SLN showed enhanced sustained in vitro antibacterial activity for 5 days, 2-fold greater MRSA biofilm growth inhibition and 3.44-fold reduction in bacterial burden in skin infected mice model compared to bare VM. Therefore, ATS shows potential as a novel multifunctional adjuvant for effective and targeted delivery of antibiotics.
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Affiliation(s)
- Usri H Ibrahim
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Nikita Devnarain
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Calvin A Omolo
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa; United States International University-Africa, School of Pharmacy and Health Sciences, Department of Pharmaceutics, P.O. Box 14634-00800, Nairobi, Kenya.
| | - Chunderika Mocktar
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa.
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63
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Nag M, Lahiri D, Sarkar T, Ghosh S, Dey A, Edinur HA, Pati S, Ray RR. Microbial Fabrication of Nanomaterial and Its Role in Disintegration of Exopolymeric Matrices of Biofilm. Front Chem 2021. [PMID: 34109159 DOI: 10.3389/fchem.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
Abstract
Bacterial biofilms are responsible for the development of various chronic wound-related and implant-mediated infections and confer protection to the pathogenic bacteria against antimicrobial drugs and host immune responses. Hence, biofilm-mediated chronic infections have created a tremendous burden upon healthcare systems worldwide. The development of biofilms upon the surface of medical implants has resulted in the failure of various implant-based surgeries and therapies. Although different conventional chemical and physical agents are used as antimicrobials, they fail to kill the sessile forms of bacterial pathogens due to the resistance exerted by the exopolysaccharide (EPS) matrices of the biofilm. One of the major techniques used in addressing such a problem is to directly check the biofilm formation by the use of novel antibiofilm materials, local drug delivery, and device-associated surface modifications, but the success of these techniques is still limited. The immense expansion in the field of nanoscience and nanotechnology has resulted in the development of novel nanomaterials as biocidal agents that can be either easily integrated within biomaterials to prevent the colonization of microbial cells or directly approach the pathogen overcoming the biofilm matrix. The antibiofilm efficacies of these nanomaterials are accomplished by the generation of oxidative stresses and through alterations of the genetic expressions. Microorganism-assisted synthesis of nanomaterials paved the path to success in such therapeutic approaches and is found to be more acceptable for its "greener" approach. Metallic nanoparticles functionalized with microbial enzymes, silver-platinum nanohybrids (AgPtNHs), bacterial nanowires, superparamagnetic iron oxide (Fe3O4), and nanoparticles synthesized by both magnetotactic and non-magnetotactic bacteria showed are some of the examples of such agents used to attack the EPS.
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Affiliation(s)
- Moupriya Nag
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Dibyajit Lahiri
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Tanmay Sarkar
- Department of Food Technology and Bio-Chemical Engineering, Jadavpur University, Kolkata, India.,Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda, India
| | | | - Ankita Dey
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, India
| | - Hisham Atan Edinur
- School of Health Sciences, University Sains Malaysia, Kelantan, Malaysia
| | - Siddhartha Pati
- Centre of Excellence, Khallikote University, Berhampur, India.,Research Division, Association for Biodiversity Conservation and Research (ABC), Balasore, India
| | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, India
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64
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Nag M, Lahiri D, Sarkar T, Ghosh S, Dey A, Edinur HA, Pati S, Ray RR. Microbial Fabrication of Nanomaterial and Its Role in Disintegration of Exopolymeric Matrices of Biofilm. Front Chem 2021; 9:690590. [PMID: 34109159 PMCID: PMC8181132 DOI: 10.3389/fchem.2021.690590] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/06/2021] [Indexed: 12/11/2022] Open
Abstract
Bacterial biofilms are responsible for the development of various chronic wound-related and implant-mediated infections and confer protection to the pathogenic bacteria against antimicrobial drugs and host immune responses. Hence, biofilm-mediated chronic infections have created a tremendous burden upon healthcare systems worldwide. The development of biofilms upon the surface of medical implants has resulted in the failure of various implant-based surgeries and therapies. Although different conventional chemical and physical agents are used as antimicrobials, they fail to kill the sessile forms of bacterial pathogens due to the resistance exerted by the exopolysaccharide (EPS) matrices of the biofilm. One of the major techniques used in addressing such a problem is to directly check the biofilm formation by the use of novel antibiofilm materials, local drug delivery, and device-associated surface modifications, but the success of these techniques is still limited. The immense expansion in the field of nanoscience and nanotechnology has resulted in the development of novel nanomaterials as biocidal agents that can be either easily integrated within biomaterials to prevent the colonization of microbial cells or directly approach the pathogen overcoming the biofilm matrix. The antibiofilm efficacies of these nanomaterials are accomplished by the generation of oxidative stresses and through alterations of the genetic expressions. Microorganism-assisted synthesis of nanomaterials paved the path to success in such therapeutic approaches and is found to be more acceptable for its "greener" approach. Metallic nanoparticles functionalized with microbial enzymes, silver-platinum nanohybrids (AgPtNHs), bacterial nanowires, superparamagnetic iron oxide (Fe3O4), and nanoparticles synthesized by both magnetotactic and non-magnetotactic bacteria showed are some of the examples of such agents used to attack the EPS.
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Affiliation(s)
- Moupriya Nag
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Dibyajit Lahiri
- Department of Biotechnology, University of Engineering and Management, Kolkata, India
| | - Tanmay Sarkar
- Department of Food Technology and Bio-Chemical Engineering, Jadavpur University, Kolkata, India
- Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda, India
| | | | - Ankita Dey
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, India
| | - Hisham Atan Edinur
- School of Health Sciences, University Sains Malaysia, Kelantan, Malaysia
| | - Siddhartha Pati
- Centre of Excellence, Khallikote University, Berhampur, India
- Research Division, Association for Biodiversity Conservation and Research (ABC), Balasore, India
| | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, India
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65
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Chen X, Chen Y, Lv S, Zhang L, Ye R, Ge C, Huang D, Zhang S, Cai Z. New type of borneol-based fluorine-free superhydrophobic antibacterial polymeric coating. Des Monomers Polym 2021; 24:145-155. [PMID: 34104072 PMCID: PMC8118525 DOI: 10.1080/15685551.2021.1924959] [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: 03/08/2021] [Accepted: 04/28/2021] [Indexed: 11/28/2022] Open
Abstract
A new type of superhydrophobic borneol-based polymeric coating has been prepared. The chemical composition of the polymer particles was analyzed by Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy, which showed that the polymer did not contain fluorine, which can effectively avoid the cytotoxic risk of fluorine. By dynamic light scattering, scanning electron microscopy, and static contact angle measurement, the contact angle of the prepared coating gradually increased with increasing diameter of the polymer particles, and a superhydrophobic coating surface was finally obtained. Interestingly, after dissolving the superhydrophobic sample with tetrahydrofuran and making it a normal hydrophobic sample, the antiadhesion performance for E. coli was greatly reduced, and it could not effectively prevent E. coli adhesion. In addition, a long-term antiadhesion study of bacteria was performed. The superhydrophobic borneol-based polymer coating showed long-term resistance to E. coli adhesion. Therefore, the excellent antibacterial properties and cell compatibility mean that this series of polymer materials has great potential in the field of biomedicine.
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Affiliation(s)
- Xin Chen
- Key Laboratory of Science and Technology of EcoTextile, Donghua University, Ministry of Education, Shanghai, China
- Department of Chemistry, Lishui University, Lishui, China
| | - Yuexing Chen
- Department of Chemistry, Lishui University, Lishui, China
| | - Sengwei Lv
- Lishui Ecological Environment Monitoring Center, Lishui Environmental Protection Bureau, Lishui, China
| | - Lingling Zhang
- Department of Chemistry, Lishui University, Lishui, China
| | - Rulan Ye
- Department of Chemistry, Lishui University, Lishui, China
| | - Chuchu Ge
- Department of Chemistry, Lishui University, Lishui, China
| | - Dayun Huang
- Department of Chemistry, Lishui University, Lishui, China
| | - Sihai Zhang
- Department of Chemistry, Lishui University, Lishui, China
| | - Zaisheng Cai
- Key Laboratory of Science and Technology of EcoTextile, Donghua University, Ministry of Education, Shanghai, China
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66
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Zhou Y, Feng H, Jiang Y, Hua G, Zhang Q, Zeng S, Li W, Li L, Kang N, Ren L. Nanoliquid Dressing with Enhancing Anti-Infection Performance under the Moderate Photothermal Effect for Wound Treatment. ACS APPLIED MATERIALS & INTERFACES 2021; 13:18443-18453. [PMID: 33848120 DOI: 10.1021/acsami.0c21854] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nonhealing wounds have become a major healthcare burden worldwide. Chronic wound healing is universally hampered by the presence of bacterial infections that form biofilms. Therefore, in this study, a novel nanoliquid dressing based on a mild photothermal heating strategy was designed to provide safe healing of biofilm-infected wounds. Dilute nitric acid (HNO3) solution was employed to induce a redox process triggered by copper sulfide (CuS) nanoplates in the nanoliquid dressing. This redox process was further promoted by the mild photothermal effect (≤47.5 °C) that generated a sufficient amount of reactive oxygen species, resulting in less thermal injury to normal tissues. Correspondingly, with the safe concentration of CuS nanoplates (0.4 mg/mL), excellent bactericidal efficiencies up to 98.3 and 99.3% against ampicillin-resistant Escherichia coli (Ampr E. coli) and Staphylococcus aureus (S. aureus) were achieved, respectively. Moreover, the nanoliquid dressing exhibited a near-infrared enhanced destructive effect on mature biofilms. According to in vivo wound healing experiments in mice, the nanoliquid dressing increased the healing rate and reduced the inflammatory response. This study provides a novel insight into treating the biofilm-infected chronic wounds in the "post-antibiotic era".
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Affiliation(s)
- Yaming Zhou
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Hua Feng
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yanjie Jiang
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Guanping Hua
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Qiang Zhang
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Sen Zeng
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Wenlong Li
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Lihuang Li
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Ning Kang
- National Green Coating Technology and Equipment Engineering Technology Research Center, Lanzhou Jiaotong University, Lanzhou 730070, People's Republic of China
| | - Lei Ren
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
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67
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Kunrath MF, Campos MM. Metallic-nanoparticle release systems for biomedical implant surfaces: effectiveness and safety. Nanotoxicology 2021; 15:721-739. [PMID: 33896331 DOI: 10.1080/17435390.2021.1915401] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The current focus of bioengineering for implant devices involves the development of functionalized surfaces, bioactive coatings, and metallic nanoparticles (mNPs) with a controlled release, together with strategies for the application of drugs in situ, aiming at reducing infection rates, with an improvement of clinical outcomes. Controversially, negative aspects, such as cytotoxicity, mNP incorporation, bioaccumulation, acquired autoimmunity, and systemic toxicity have gained attention at the same status of importance, concerning the release of mNPs from these surface systems. The balance between the promising prospects of system releasing mNPs and the undesirable long-term adverse reactions require further investigation. The scarcity of knowledge and the methods of analysis of nanoscale-based systems to control the sequence of migration, interaction, and nanoparticle incorporation with human tissues raise hesitation about their efficacy and safety. Looking ahead, this innovative approach requires additional scientific investigation for permitting an evolution of implants without counterpoints, while updating implant surface technologies to a new level of development. This critical review has explored the promising properties of metals at the nano-scale to promote broad-spectrum bacterial control, allowing for a decrease in using systemic antibiotics. Attempts have also been made to discuss the existing limitations and the future challenges regarding these technologies, besides the negative findings that are explored in the literature.
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Affiliation(s)
- Marcel F Kunrath
- Programa de Pós-Graduação em Odontologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Centro de Pesquisa em Toxicologia e Farmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Maria M Campos
- Programa de Pós-Graduação em Odontologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Centro de Pesquisa em Toxicologia e Farmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
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68
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Ibrahim UH, Devnarain N, Govender T. Biomimetic strategies for enhancing synthesis and delivery of antibacterial nanosystems. Int J Pharm 2021; 596:120276. [DOI: 10.1016/j.ijpharm.2021.120276] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/09/2020] [Accepted: 12/19/2020] [Indexed: 12/19/2022]
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69
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Yuan K, Jurado-Sánchez B, Escarpa A. Dual-Propelled Lanbiotic Based Janus Micromotors for Selective Inactivation of Bacterial Biofilms. Angew Chem Int Ed Engl 2021; 60:4915-4924. [PMID: 33216439 DOI: 10.1002/anie.202011617] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/28/2020] [Indexed: 12/18/2022]
Abstract
Graphene oxide/PtNPs/Fe2 O3 "dual-propelled" catalytic and fuel-free rotary actuated magnetic Janus micromotors modified with the lanbiotic Nisin are used for highly selective capture/inactivation of gram-positive bacteria units and biofilms. Specific interaction of Nisin with the Lipid II unit of Staphylococcus Aureus bacteria in connection with the enhanced micromotor movement and generated fluid flow result in a 2-fold increase of the capture/killing ability (both in bubble and magnetic propulsion modes) as compared with free peptide and static counterparts. The high stability of Nisin along with the high towing force of the micromotors allow for efficient operation in untreated raw media (tap water, juice and serum) and even in blood and in flowing blood in magnetic mode. The high selectivity of the approach is illustrated by the dramatically lower interaction with gram-negative bacteria (Escherichia Coli). The double-propulsion (catalytic or fuel-free magnetic) mode of the micromotors and the high biocompatibility holds considerable promise to design micromotors with tailored lanbiotics that can response to the changes that make the bacteria resistant in a myriad of clinical, environmental remediation or food safety applications.
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Affiliation(s)
- Kaisong Yuan
- Department of Analytical Chemistry, Physical Chemistry, and Chemical Engineering, University of Alcala, Alcala de Henares, 28871, Madrid, Spain.,Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, China
| | - Beatriz Jurado-Sánchez
- Department of Analytical Chemistry, Physical Chemistry, and Chemical Engineering, University of Alcala, Alcala de Henares, 28871, Madrid, Spain.,Chemical Research Institute "Andres M. del Rio", University of Alcala, 28871, Madrid, Spain
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry, and Chemical Engineering, University of Alcala, Alcala de Henares, 28871, Madrid, Spain.,Chemical Research Institute "Andres M. del Rio", University of Alcala, 28871, Madrid, Spain
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70
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Antibacterial Activity of Green-Synthesized Silver Nanoparticles Using Areca catechu Extract against Antibiotic-Resistant Bacteria. NANOMATERIALS 2021; 11:nano11010205. [PMID: 33466916 PMCID: PMC7830304 DOI: 10.3390/nano11010205] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/31/2020] [Accepted: 01/12/2021] [Indexed: 12/15/2022]
Abstract
In this work, the antibacterial activity of silver nanoparticles (AgNPs) synthesized using Areca catechu extracts against three species of antibiotic-susceptible and three species of resistant bacteria was investigated. The effects of this plant were more promising when compared with other medicinal plants tested. The hydrothermal extract of Areca catechu was mixed with silver nitrate to synthesize AgNPs. The synthesized particle characteristics were analyzed by UV–Vis spectrophotometry, scanning electron microscopy (SEM), dynamic light scattering (DLS), and Fourier-transform infrared spectroscopy (FT-IR). Minimum inhibitory concentration and minimum bactericidal concentration tests were conducted to confirm antibacterial activity and the results showed that AgNPs synthesized using Areca catechu extracts effectively inhibited the growth of bacterial species. Moreover, the SEM images of the bacterial species treated with AgNPs synthesized with Areca catechu extracts showed that clusters of AgNPs were attached to the surface of the bacterial cell wall, which could induce destruction of the cell membranes. The results suggest that AgNPs synthesized with Areca catechu extracts have the potential to treat antibiotic-resistant bacteria known as the major cause of nosocomial infections.
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71
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Dadi NCT, Dohál M, Medvecká V, Bujdák J, Koči K, Zahoranová A, Bujdáková H. Physico-Chemical Characterization and Antimicrobial Properties of Hybrid Film Based on Saponite and Phloxine B. Molecules 2021; 26:E325. [PMID: 33435210 PMCID: PMC7827291 DOI: 10.3390/molecules26020325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/25/2020] [Accepted: 12/29/2020] [Indexed: 11/23/2022] Open
Abstract
This research was aimed at the preparation of a hybrid film based on a layered silicate saponite (Sap) with the immobilized photosensitizer phloxine B (PhB). Sap was selected because of its high cation exchange capacity, ability to exfoliate into nanolayers, and to modify different surfaces. The X-ray diffraction of the films confirmed the intercalation of both the surfactant and PhB molecules in the Sap film. The photosensitizer retained its photoactivity in the hybrid films, as shown by fluorescence spectra measurements. The water contact angles and the measurement of surface free energy demonstrated the hydrophilic nature of the hybrid films. Antimicrobial effectiveness, assessed by the photodynamic inactivation on hybrid films, was tested against a standard strain and against methicillin-resistant bacteria of Staphylococcus aureus (MRSA). One group of samples was irradiated (green LED light; 2.5 h) and compared to nonirradiated ones. S. aureus strains manifested a reduction in growth from 1-log10 to over 3-log10 compared to the control samples with Sap only, and defects in S. aureus cells were proven by scanning electron microscopy. The results proved the optimal photo-physical properties and anti-MRSA potential of this newly designed hybrid system that reflects recent progress in the modification of surfaces for various medical applications.
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Affiliation(s)
- Nitin Chandra teja Dadi
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, 842 15 Bratislava, Slovakia; (N.C.t.D.); (M.D.); (K.K.)
| | - Matúš Dohál
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, 842 15 Bratislava, Slovakia; (N.C.t.D.); (M.D.); (K.K.)
| | - Veronika Medvecká
- Department of Experimental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, 842 48 Bratislava, Slovakia; (V.M.); (A.Z.)
| | - Juraj Bujdák
- Department of Physical and Theoretical Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, 842 15 Bratislava, Slovakia;
- Institute of Inorganic Chemistry of SAS, 845 36 Bratislava, Slovakia
| | - Kamila Koči
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, 842 15 Bratislava, Slovakia; (N.C.t.D.); (M.D.); (K.K.)
| | - Anna Zahoranová
- Department of Experimental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, 842 48 Bratislava, Slovakia; (V.M.); (A.Z.)
| | - Helena Bujdáková
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, 842 15 Bratislava, Slovakia; (N.C.t.D.); (M.D.); (K.K.)
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72
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Haidari H, Kopecki Z, Sutton AT, Garg S, Cowin AJ, Vasilev K. pH-Responsive "Smart" Hydrogel for Controlled Delivery of Silver Nanoparticles to Infected Wounds. Antibiotics (Basel) 2021; 10:49. [PMID: 33466534 PMCID: PMC7824857 DOI: 10.3390/antibiotics10010049] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 12/31/2020] [Accepted: 12/31/2020] [Indexed: 11/16/2022] Open
Abstract
Persistent wound infections have been a therapeutic challenge for a long time. Current treatment approaches are mostly based on the delivery of antibiotics, but these are not effective for all infections. Here, we report the development of a sensitive pH-responsive hydrogel that can provide controlled, pH-triggered release of silver nanoparticles (AgNPs). This delivery system was designed to sense the environmental pH and trigger the release of AgNPs when the pH changes from acidic to alkaline, as occurs due to the presence of pathogenic bacteria in the wound. Our results show that the prepared hydrogel restricts the release of AgNPs at acidic pH (pH = 4) but substantially amplifies it at alkaline pH (pH = 7.4 and pH = 10). This indicates the potential use of the hydrogel for the on-demand release of Ag+ depending on the environmental pH. In vitro antibacterial studies demonstrated effective elimination of both Gram-negative and positive bacteria. Additionally, the effective antibacterial dose of Ag+ showed no toxicity towards mammalian skin cells. Collectively, this pH-responsive hydrogel presents potential as a promising new material for the treatment of infected wounds.
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Affiliation(s)
- Hanif Haidari
- UniSA Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (Z.K.); (S.G.); (A.J.C.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Zlatko Kopecki
- UniSA Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (Z.K.); (S.G.); (A.J.C.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Adam T. Sutton
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Sanjay Garg
- UniSA Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (Z.K.); (S.G.); (A.J.C.)
| | - Allison J. Cowin
- UniSA Clinical & Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (H.H.); (Z.K.); (S.G.); (A.J.C.)
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
| | - Krasimir Vasilev
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;
- Academic Unit of STEM, University of South Australia, Mawson Lakes, SA 5095, Australia
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73
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Yuan K, Jurado‐Sánchez B, Escarpa A. Dual‐Propelled Lanbiotic Based Janus Micromotors for Selective Inactivation of Bacterial Biofilms. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011617] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Kaisong Yuan
- Department of Analytical Chemistry Physical Chemistry, and Chemical Engineering University of Alcala Alcala de Henares 28871 Madrid Spain
- Institute of Pharmaceutical Analysis College of Pharmacy Jinan University Guangzhou China
| | - Beatriz Jurado‐Sánchez
- Department of Analytical Chemistry Physical Chemistry, and Chemical Engineering University of Alcala Alcala de Henares 28871 Madrid Spain
- Chemical Research Institute “Andres M. del Rio” University of Alcala 28871 Madrid Spain
| | - Alberto Escarpa
- Department of Analytical Chemistry Physical Chemistry, and Chemical Engineering University of Alcala Alcala de Henares 28871 Madrid Spain
- Chemical Research Institute “Andres M. del Rio” University of Alcala 28871 Madrid Spain
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74
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Liu B, Zhou C, Zhang Z, Roland JD, Lee BP. Antimicrobial Property of Halogenated Catechols. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2021; 403:126340. [PMID: 32848507 PMCID: PMC7444726 DOI: 10.1016/j.cej.2020.126340] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Bacterial infection associated with multidrug resistance (MDR) bacteria is increasingly becoming a significant public health risk. Herein, we synthesized a series of halogenated dopamine methacrylamide (DMA), which contains a catechol side chain modified with either chloro-, bromo-, or iodo-functional group. Catechol is a widely used adhesive moiety for designing bioadhesives and coating. However, the intrinsic antimicrobial property of catechol has not been demonstrated before. These halogenated DMA were incorporated into hydrogels, copolymers, and coatings and exhibited more than 99% killing efficiencies against Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli. More importantly, hydrogel containing chlorinated DMA demonstrated broad-spectrum antimicrobial activities towards multiple MDR bacteria, which included methicillin resistant S. aureus (MRSA), vancomycin resistant enterococci (VRE), multi antibiotics resistant Pseudomonas aeruginosa (PAER), multi antibiotics resistant Acinetobacter baumannii (AB) and carbapenem resistant Klebsiella pneumoniae (CRKP). These hydrogels also demonstrated the ability to kill bacteria in a biofilm while exhibiting low cytotoxic. Based on molecular docking and molecular dynamics simulation, Cl-functionalized catechol can potentially inhibit bacterial fatty acid synthesis at the enoyl-acyl carrier protein reductase (FabI) step. The combination of moisture-resistant adhesive property, inherent antimicrobial property, and the versatility of incorporating halogenated DMA into different polymeric materials greatly enhanced the potential for using these monomers for designing multifunctional bioadhesives and coatings.
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Affiliation(s)
- Bo Liu
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Chao Zhou
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, 213164, China
| | - Zhongtian Zhang
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - James D. Roland
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Bruce P. Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
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75
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Malaekeh-Nikouei B, Fazly Bazzaz BS, Mirhadi E, Tajani AS, Khameneh B. The role of nanotechnology in combating biofilm-based antibiotic resistance. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101880] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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76
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Liu J, Liu J, Attarilar S, Wang C, Tamaddon M, Yang C, Xie K, Yao J, Wang L, Liu C, Tang Y. Nano-Modified Titanium Implant Materials: A Way Toward Improved Antibacterial Properties. Front Bioeng Biotechnol 2020; 8:576969. [PMID: 33330415 PMCID: PMC7719827 DOI: 10.3389/fbioe.2020.576969] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 10/22/2020] [Indexed: 01/01/2023] Open
Abstract
Titanium and its alloys have superb biocompatibility, low elastic modulus, and favorable corrosion resistance. These exceptional properties lead to its wide use as a medical implant material. Titanium itself does not have antibacterial properties, so bacteria can gather and adhere to its surface resulting in infection issues. The infection is among the main reasons for implant failure in orthopedic surgeries. Nano-modification, as one of the good options, has the potential to induce different degrees of antibacterial effect on the surface of implant materials. At the same time, the nano-modification procedure and the produced nanostructures should not adversely affect the osteogenic activity, and it should simultaneously lead to favorable antibacterial properties on the surface of the implant. This article scrutinizes and deals with the surface nano-modification of titanium implant materials from three aspects: nanostructures formation procedures, nanomaterials loading, and nano-morphology. In this regard, the research progress on the antibacterial properties of various surface nano-modification of titanium implant materials and the related procedures are introduced, and the new trends will be discussed in order to improve the related materials and methods.
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Affiliation(s)
- Jianqiao Liu
- Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
- Youjiang Medical University for Nationalities, Baise, China
| | - Jia Liu
- Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Shokouh Attarilar
- Department of Pediatric Orthopaedics, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Chong Wang
- College of Mechanical Engineering, Dongguan University of Technology, Dongguan, China
| | - Maryam Tamaddon
- Institute of Orthopaedic and Musculoskeletal Science, Division of Surgery & Orthopaedic Science, University College London, The Royal National National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Chengliang Yang
- Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Kegong Xie
- Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Jinguang Yao
- Youjiang Medical University for Nationalities, Baise, China
| | - Liqiang Wang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Chaozong Liu
- Institute of Orthopaedic and Musculoskeletal Science, Division of Surgery & Orthopaedic Science, University College London, The Royal National National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Yujin Tang
- Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
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77
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Wang W, Song MS, Yang XN, Zhao J, Cole IS, Chen XB, Fan Y. Synergistic Coating Strategy Combining Photodynamic Therapy and Fluoride-Free Superhydrophobicity for Eradicating Bacterial Adhesion and Reinforcing Corrosion Protection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46862-46873. [PMID: 32960039 DOI: 10.1021/acsami.0c10584] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Device-associated infection is one of the significant challenges in the biomedical industry and clinical management. Controlling the initial attachment of microbes upon the solid surface of biomedical devices is a sound strategy to minimize the formation of biofilms and infection. A synergistic coating strategy combining superhydrophobicity and bactericidal photodynamic therapy is proposed herein to tackle infection issues for biomedical materials. A multifunctional coating is produced upon pure Mg substrate through a simple blending procedure without involvement of any fluoride-containing agents, differing from the common superhydrophobic surface preparations. Superhydrophobic features of the coating are confirmed through water contact angle measurements (152.5 ± 1.9°). In vitro experiments reveal that bacterial-adhesion repellency regarding both Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) strains approaches over 96%, which is evidently ascribed to the proposed synergistic strategy, that is, superhydrophobic nature and microbicidal ability of photodynamic therapy. Electrochemical analysis indicates that the superhydrophobic coating provides pronounced protection against corrosion to underlying Mg with 80% reduction in the corrosion rate in minimum essential medium and retains the original surface features after 168 h exposure to neutral salt spray. The proof-of-concept research holds a great promise for tackling the notorious bacterial infection and poor corrosion resistance of Mg-based biodegradable materials in a simple, efficient, and environmentally benign manner.
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Affiliation(s)
- Wei Wang
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Ming-Shi Song
- School of Engineering, RMIT University, Carlton 3053, Victoria, Australia
| | - Xiao-Na Yang
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Jie Zhao
- Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun 130022, China
| | - Ivan S Cole
- School of Engineering, RMIT University, Carlton 3053, Victoria, Australia
| | - Xiao-Bo Chen
- School of Engineering, RMIT University, Carlton 3053, Victoria, Australia
| | - Yong Fan
- College of Chemistry, Jilin University, Changchun 130012, China
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78
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Milanesi A, Magni G, Centi S, Schifino G, Aluigi A, Khlebtsov BN, Cavigli L, Barucci A, Khlebtsov NG, Ratto F, Rossi F, Pini R. Optically activated and interrogated plasmonic hydrogels for applications in wound healing. JOURNAL OF BIOPHOTONICS 2020; 13:e202000135. [PMID: 32542912 DOI: 10.1002/jbio.202000135] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
We disclose the use of hybrid materials featuring Au/Ag core/shell nanorods in porous chitosan/polyvinyl alcohol scaffolds for applications in tissue engineering and wound healing. The combination of Au and Ag in a single construct provides synergistic opportunities for optical activation of functions as near infrared laser tissue bonding, and remote interrogation to return parameters of prognostic relevance in wound healing monitoring. In particular, the bimetallic component ensures optical tunability, enhanced shelf life and photothermal stability, serves as a reservoir of germicidal silver cations, and changes in near-infrared and visible color according to the environmental level of oxidative stress. At the same time, the polymeric blend is ideal to bind connective tissue upon photothermal activation, and to support fabrication processes that provide high porosity, such as electrospinning, thus putting all the premises for cellular repopulation and antimicrobial protection.
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Affiliation(s)
- Alessio Milanesi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
- Dipartimento di Chimica "Ugo Schiff", Universitá degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Giada Magni
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Sonia Centi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Gioacchino Schifino
- Istituto per la Sintesi Organica e la Fotoreattivitá, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Annalisa Aluigi
- Istituto per la Sintesi Organica e la Fotoreattivitá, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Boris N Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
| | - Lucia Cavigli
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Andrea Barucci
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Nikolai G Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
- Faculty of Nano- and Biomedical Technologies, Saratov State University, Saratov, Russia
| | - Fulvio Ratto
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Francesca Rossi
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
| | - Roberto Pini
- Istituto di Fisica Applicata "Nello Carrara", Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Florence, Italy
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79
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Janik-Hazuka M, Szafraniec-Szczęsny J, Kamiński K, Odrobińska J, Zapotoczny S. Uptake and in vitro anticancer activity of oleic acid delivered in nanocapsules stabilized by amphiphilic derivatives of hyaluronic acid and chitosan. Int J Biol Macromol 2020; 164:2000-2009. [PMID: 32781133 DOI: 10.1016/j.ijbiomac.2020.07.288] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 12/25/2022]
Abstract
The nanoemulsion-based delivery systems have gained particular attention due to effective encapsulation and protection of hydrophobic active compounds. However, several features like limited stability, cellular uptake or release of payloads still need to be addressed. We investigated the uptake of the nanocapsules based on the amphiphilic derivative of hyaluronate with oleic acid cores (oil-in-water nanoemulsion) and their anticancer activity in vitro. The core-shell nanocapsules exhibiting long term stability in dispersion showed an enhanced uptake by cancer cells and effectively killed them only if composed of hyaluronate-based shells and oleic acid cores - the anionic chitosan-based shells and/or corn oil cores were used for control experiments. We concluded that the nanocapsules stabilized by the amphiphilic derivative of hyaluronic acid may serve as very stable and efficient delivery systems for oil-soluble compounds without necessity of application of low molecular weight (co)surfactants. The in vitro studies indicated anticancer activity of such delivered oleic acid and crucial role of hyaluronate shell of the nanocapsules in its efficient delivery and enzyme-triggered disintegration inside cells. Corn oil was shown as a nutrient that can serve as an inert vehicle in the studied nanoemulsion that exhibit application potential in food, dietary supplement industry and medicine.
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Affiliation(s)
| | - Joanna Szafraniec-Szczęsny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
| | - Kamil Kamiński
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Joanna Odrobińska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Szczepan Zapotoczny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland.
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80
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Jajcevic K, Sugihara K. Lipid Nanotubes as an Organic Template for an Electrically Conductive Gold Nanostructure Network. J Phys Chem B 2020; 124:5761-5769. [PMID: 32479085 DOI: 10.1021/acs.jpcb.0c03805] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We demonstrate an approach to fabricate a gold nanowire network that presents a macroscopic electrical conductivity based on a lipid nanotube (LNT) template with attached gold nanoparticles. The poor electrical conductivity that we have previously faced was overcome by centrifugation and resuspension of gold nanoparticle solution for removing stabilizing agents, which increased the density of gold nanoparticles on the LNTs. An additional electroless metal plating further enhanced their contacts at nanoscale. Thanks to these procedures, the sheet resistance was improved by 11 orders of magnitude. As a proof of principle, transparent conductive films were fabricated with these gold nanowires, which exhibited sheet resistance of maximum 70 Ω/□ and transmittance of 50-75% in visible light.
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Affiliation(s)
- Kristina Jajcevic
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
| | - Kaori Sugihara
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland.,Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba Meguro-Ku, Tokyo 153-8505, Japan
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81
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Xu C, Akakuru OU, Ma X, Zheng J, Zheng J, Wu A. Nanoparticle-Based Wound Dressing: Recent Progress in the Detection and Therapy of Bacterial Infections. Bioconjug Chem 2020; 31:1708-1723. [PMID: 32538089 DOI: 10.1021/acs.bioconjchem.0c00297] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bacterial infections in wounds often delay the healing process, and may seriously threaten human life. It is urgent to develop wound dressings to effectively detect and treat bacterial infections. Nanoparticles have been extensively used in wound dressings because of their specific properties. This review highlights the recent progress on nanoparticle-based wound dressings for bacterial detection and therapy. Specifically, nanoparticles have been applied as intrinsic antibacterial agents or drug delivery vehicles to treat bacteria in wounds. Moreover, nanoparticles with photothermal or photodynamic property have also been explored to endow wound dressings with significant optical properties to further enhance their bactericidal effect. More interestingly, nanoparticle-based smart dressings have been recently explored for bacteria detection and treatment, which enables an accurate assessment of bacterial infection and a more precise control of on-demand therapy.
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Affiliation(s)
- Chen Xu
- Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo 315010, the People's Republic of China.,Cixi Institute of Biomedical Engineering, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices & Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, the People's Republic of China.,Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo 315000, the People's Republic of China
| | - Ozioma Udochukwu Akakuru
- Cixi Institute of Biomedical Engineering, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices & Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, the People's Republic of China
| | - Xuehua Ma
- Cixi Institute of Biomedical Engineering, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices & Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, the People's Republic of China
| | - Jianping Zheng
- Cixi Institute of Biomedical Engineering, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices & Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, the People's Republic of China
| | - Jianjun Zheng
- Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo 315010, the People's Republic of China
| | - Aiguo Wu
- Cixi Institute of Biomedical Engineering, Chinese Academy of Sciences (CAS) Key Laboratory of Magnetic Materials and Devices & Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, the People's Republic of China
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82
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Quantum Leap from Gold and Silver to Aluminum Nanoplasmonics for Enhanced Biomedical Applications. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10124210] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nanotechnology has been used in many biosensing and medical applications, in the form of noble metal (gold and silver) nanoparticles and nanostructured substrates. However, the translational clinical and industrial applications still need improvements of the efficiency, selectivity, cost, toxicity, reproducibility, and morphological control at the nanoscale level. In this review, we highlight the recent progress that has been made in the replacement of expensive gold and silver metals with the less expensive aluminum. In addition to low cost, other advantages of the aluminum plasmonic nanostructures include a broad spectral range from deep UV to near IR, providing additional signal enhancement and treatment mechanisms. New synergistic treatments of bacterial infections, cancer, and coronaviruses are envisioned. Coupling with gain media and quantum optical effects improve the performance of the aluminum nanostructures beyond gold and silver.
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83
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Costa-Orlandi CB, Serafim-Pinto A, da Silva PB, Bila NM, Bonatti JLDC, Scorzoni L, Singulani JDL, Dos Santos CT, Nazaré AC, Chorilli M, Regasini LO, Fusco-Almeida AM, Mendes-Giannini MJS. Incorporation of Nonyl 3,4-Dihydroxybenzoate Into Nanostructured Lipid Systems: Effective Alternative for Maintaining Anti-Dermatophytic and Antibiofilm Activities and Reducing Toxicity at High Concentrations. Front Microbiol 2020; 11:1154. [PMID: 32582096 PMCID: PMC7290161 DOI: 10.3389/fmicb.2020.01154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/06/2020] [Indexed: 12/18/2022] Open
Abstract
Dermatophytosis is the most common mycosis worldwide, affecting approximately 20 to 25% of the population, regardless of gender, race, color, and age. Most antifungal agents used for the treatment of dermatophytosis belong to the azole and allylamine classes. Dermatophytes are reported to be resistant to most commercial drugs, especially microbial biofilms, in addition to their considerable toxicity. It should be emphasized the importance of looking for new molecules with reduced toxicity, as well as new targets and mechanisms of action. This work aims to incorporate nonyl 3,4-dihydroxybenzoate, a potent fungicide compound against planktonic cells and dermatophyte biofilms in nanostructured lipid systems (NLS), in order to reduce toxicity in high concentrations, improve its solubility and maintain its effectiveness. The compound was incorporated into NLS constituted by cholesterol, mixture of polyoxyethylene (23) lauryl ether (Brij®98) and soybean phosphatidylcholine (Epikuron® 200)], 2: 1 ratio and PBS (phosphate-buffered saline). The characterization of the incorporation was performed. Susceptibility tests were conducted according to document M38-A2 by CLSI (2008). The toxicity of the NLS compound was evaluated in HaCaT cell lines by the sulforhodamine B method and in alternative models Caenorhabditis elegans and zebrafish. Finally, its efficacy was evaluated against the mature Trichophyton rubrum and Trichophyton mentagrophytes biofilms. NLS and nonyl 3,4-dihydroxybenzoate loaded into NLS displayed sizes ranging from 137.8 ± 1.815 to 167.9 ± 4.070 nm; the polydispersity index (PDI) varying from 0.331 ± 0.020 to 0.377 ± 0.004 and zeta potential ranging from −1.46 ± 0.157 to −4.63 ± 0.398 mV, respectively. Polarized light microscopy results confirmed the formation of NLS of the microemulsion type. Nonyl incorporated into NLS showed minimum inhibitory concentration (MIC) values, ranging from 2 to 15.6 mg/L. The toxicity tests presented cell viability higher than 80% in all tested concentrations, as well as, a significantly increased of the survival of Caenorhabditis elegans and zebrafish models. Anti-biofilm tests proved the efficacy of the incorporation. These findings contribute significantly to the search for new antifungals and allow the systemic administration of the compound, since the incorporation can increase the solubility of non-polar compounds, improve bioavailability, effectiveness and reduce toxicity.
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Affiliation(s)
- Caroline Barcelos Costa-Orlandi
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Aline Serafim-Pinto
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Patrícia Bento da Silva
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Níura Madalena Bila
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil.,Universidade Eduardo Mondlane, School of Veterinary, Maputo, Mozambique
| | - Jean Lucas de Carvalho Bonatti
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Liliana Scorzoni
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Junya de Lacorte Singulani
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Claudia Tavares Dos Santos
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Ana Carolina Nazaré
- Institute of Biosciences, Humanities and Exact Sciences, Department of Chemistry and Environmental Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
| | - Luis Octávio Regasini
- Institute of Biosciences, Humanities and Exact Sciences, Department of Chemistry and Environmental Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil
| | - Ana Marisa Fusco-Almeida
- School of Pharmaceutical Sciences, Department of Clinical Analysis, Universidade Estadual Paulista (UNESP), Araraquara, Brazil
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84
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Mansoorianfar M, Khataee A, Riahi Z, Shahin K, Asadnia M, Razmjou A, Hojjati-Najafabadi A, Mei C, Orooji Y, Li D. Scalable fabrication of tunable titanium nanotubes via sonoelectrochemical process for biomedical applications. ULTRASONICS SONOCHEMISTRY 2020; 64:104783. [PMID: 31937440 DOI: 10.1016/j.ultsonch.2019.104783] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/28/2019] [Accepted: 09/06/2019] [Indexed: 06/10/2023]
Abstract
Titanium does not react well with the human tissues and due to its bio-inert nature the surface modification has yet to be well-studied. In this study, the sonoelectrochemical process has been carried out to generate TiO2 nanotube arrays on implantable Ti 6-4. All the prepared nanotubes fill with the vancomycin by immersion and electrophoresis method. Drug-releasing properties, antibacterial behavior, protein adsorption and cell attachment of drug-modified nanotubes are examined by UV-vis, flow cytometry, modified disc diffusion, BSA adsorption, and FESEM, respectively. The most uniform morphology, appropriate drug release, cell viability behavior and antibacterial properties can be achieved by samples anodized in the range of 60-75 V. Also improves the adsorption of BSA protein in bone healing and promotes osteoblast activity and osseointegration. Drug loading efficiency increases up to 60% via electrophoresis comparing the immersion method for anodized sample in 75 V. While electrophoresis does not affect the amount of vancomycin adsorption for lower voltages. Besides, the present study indicates that an anodized sample without drug loading has no antibacterial activity. Moreover, 28-days drug releasing from nanotubes is investigated by mathematical formula according to Fickian's law to find an effective dose of loaded drug.
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Affiliation(s)
- Mojtaba Mansoorianfar
- College of Materials Science and Engineering, Nanjing Forestry University, No. 159, Longpan Road, Nanjing, 210037 Jiangsu, PR China
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400 Gebze, Turkey
| | - Zohreh Riahi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Khashayar Shahin
- International Phage Research Center (IPRC), Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Mohsen Asadnia
- School of Engineering, Macquarie University, Sydney, Australia
| | - Amir Razmjou
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, Australia
| | - Akbar Hojjati-Najafabadi
- Faculty of Materials, Metallurgy and Chemistry, School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Changtong Mei
- College of Materials Science and Engineering, Nanjing Forestry University, No. 159, Longpan Road, Nanjing, 210037 Jiangsu, PR China
| | - Yasin Orooji
- College of Materials Science and Engineering, Nanjing Forestry University, No. 159, Longpan Road, Nanjing, 210037 Jiangsu, PR China.
| | - Dagang Li
- College of Materials Science and Engineering, Nanjing Forestry University, No. 159, Longpan Road, Nanjing, 210037 Jiangsu, PR China.
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85
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Marchianò V, Matos M, Serrano-Pertierra E, Gutiérrez G, Blanco-López MC. Vesicles as antibiotic carrier: State of art. Int J Pharm 2020; 585:119478. [PMID: 32473370 DOI: 10.1016/j.ijpharm.2020.119478] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/15/2020] [Accepted: 05/24/2020] [Indexed: 12/22/2022]
Abstract
Antimicrobial resistance (AMR) has become a global health problem. Bacteria are able to adapt to different environments, with the presence or absence of a host, forming colonies and biofilms. In fact, biofilm formation confers chemical protection to the microbial cells, thus making most of the conventional antibiotics ineffective. Prevention and destruction of biofilms is a challenging task that should be addressed by a multidisciplinary approach from different research fields. One of the medical strategies used against biofilms is the therapy with drug delivery systems. Lipidic nanovesicles are a good choice for encapsulating drugs, increasing their pharmacodynamics and reducing side effects. These soft nanovesicles show significant advantages for their high biocompatibility, physical and chemistry properties, good affinity with drugs, and easy route of administration. This review summarizes the current knowledge on different types of vesicles which may be used as antibiotic carriers. The main preparation and purification methods for the synthesis of these vesicles are also presented. The advantages of drug encapsulation are critically reviewed. In addition, recent works on endolysin formulations as novel, "greener" and efficient antibiofilm solution are included. This paper can provide useful background for the design of novel efficient formulations and synergistic nanomaterials and could be also useful at the pharmaceutical industry to develop wastewater treatments and reduce the antibiotics in the environmental waters.
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Affiliation(s)
- Verdiana Marchianò
- Department of Physical and Analytical Chemistry, University of Oviedo, 33006 Oviedo, Spain; Department of Chemical Engineering and Environmental Technology, University of Oviedo, 33006, Spain
| | - María Matos
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, 33006, Spain; Institute of Biotechnology of Asturias, University of Oviedo, 33006, Spain
| | - Esther Serrano-Pertierra
- Department of Physical and Analytical Chemistry, University of Oviedo, 33006 Oviedo, Spain; Institute of Biotechnology of Asturias, University of Oviedo, 33006, Spain
| | - Gemma Gutiérrez
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, 33006, Spain; Institute of Biotechnology of Asturias, University of Oviedo, 33006, Spain.
| | - M C Blanco-López
- Department of Physical and Analytical Chemistry, University of Oviedo, 33006 Oviedo, Spain; Institute of Biotechnology of Asturias, University of Oviedo, 33006, Spain.
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86
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Smerkova K, Dolezelikova K, Bozdechova L, Heger Z, Zurek L, Adam V. Nanomaterials with active targeting as advanced antimicrobials. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1636. [PMID: 32363802 DOI: 10.1002/wnan.1636] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 12/19/2022]
Abstract
With a growing health threat of bacterial resistance to antibiotics, the nanomaterials have been extensively studied as an alternative. It is assumed that antimicrobial nanomaterials can affect bacteria by several mechanisms simultaneously and thereby overcome antibiotic resistance. Another promising potential use is employing nanomaterials as nanocarriers for antibiotics in order to overcome bacterial defense mechanisms. The passive targeting of nanomaterials is the often used strategy for bacterial treatment, including intracellular infections of macrophages. Furthermore, the specific targeting enhances the efficacy of antimicrobials and reduces side effects. This review aims to discuss advantages, disadvantages, and challenges of nanomaterials in the context of the targeting strategies for antimicrobials as advanced tools for treatments of bacterial infections. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease.
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Affiliation(s)
- Kristyna Smerkova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Kristyna Dolezelikova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Lucie Bozdechova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Ludek Zurek
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Center for Zoonoses, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
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87
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Fang K, Park OJ, Hong SH. Controlling biofilms using synthetic biology approaches. Biotechnol Adv 2020; 40:107518. [PMID: 31953206 PMCID: PMC7125041 DOI: 10.1016/j.biotechadv.2020.107518] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 01/09/2020] [Accepted: 01/11/2020] [Indexed: 12/22/2022]
Abstract
Bacterial biofilms are formed by the complex but ordered regulation of intra- or inter-cellular communication, environmentally responsive gene expression, and secretion of extracellular polymeric substances. Given the robust nature of biofilms due to the non-growing nature of biofilm bacteria and the physical barrier provided by the extracellular matrix, eradicating biofilms is a very difficult task to accomplish with conventional antibiotic or disinfectant treatments. Synthetic biology holds substantial promise for controlling biofilms by improving and expanding existing biological tools, introducing novel functions to the system, and re-conceptualizing gene regulation. This review summarizes synthetic biology approaches used to eradicate biofilms via protein engineering of biofilm-related enzymes, utilization of synthetic genetic circuits, and the development of functional living agents. Synthetic biology also enables beneficial applications of biofilms through the production of biomaterials and patterning biofilms with specific temporal and spatial structures. Advances in synthetic biology will add novel biofilm functionalities for future therapeutic, biomanufacturing, and environmental applications.
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Affiliation(s)
- Kuili Fang
- Department of Chemical and Biological Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
| | - Oh-Jin Park
- Department of Chemical and Biological Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA; Department of Biological and Chemical Engineering, Yanbian University of Science and Technology, Yanji, Jilin, People's Republic of China
| | - Seok Hoon Hong
- Department of Chemical and Biological Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA.
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88
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Xiao X, Zhao W, Liang J, Sauer K, Libera M. Self-defensive antimicrobial biomaterial surfaces. Colloids Surf B Biointerfaces 2020; 192:110989. [PMID: 32361372 PMCID: PMC7308212 DOI: 10.1016/j.colsurfb.2020.110989] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 03/11/2020] [Accepted: 03/23/2020] [Indexed: 01/16/2023]
Abstract
Self-defensive biomaterial surfaces are being developed in order to mitigate infection associated with tissue-contacting biomedical devices. Such infection occurs when microbes colonize the surface of a device and proliferate into a recalcitrant biofilm. A key intervention point centers on preventing the initial colonization. Incorporating antimicrobials within a surface coating can be very effective, but the traditional means of antimicrobial delivery by continuous elution can often be counterproductive. If there is no infection, continuous elution creates conditions that promote the development of resistant microbes throughout the patient. In contrast, a self-defensive coating releases antimicrobial only when and only where there is a microbial challenge to the surface. Otherwise, the antimicrobial remains sequestered within the coating and does not contribute to the development of resistance. A self-defensive surface requires a local trigger that signals the microbial challenge. Three such triggers have been identified as: (1) local pH lowering; (2) local enzyme release; and (3) direct microbial-surface contact. This short review highlights the need for self-defensive surfaces in the general context of the device-infection problem and then reviews key biomaterials developments associated with each of these three triggering mechanisms.
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Affiliation(s)
- Xixi Xiao
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Wenhan Zhao
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Jing Liang
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Karin Sauer
- Binghamton Biofilm Research Center (BBRC), Binghamton University Binghamton, NY USA
| | - Matthew Libera
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Hoboken, NJ, USA.
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89
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Ahmad A, Ullah S, Syed F, Tahir K, Khan AU, Yuan Q. Biogenic metal nanoparticles as a potential class of antileishmanial agents: mechanisms and molecular targets. Nanomedicine (Lond) 2020; 15:809-828. [DOI: 10.2217/nnm-2019-0413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Leishmaniasis, a category 1 disease, has remained neglected for decades, and therefore, has developed into a severe health problem worldwide. Unfortunately, the available antileishmanial drugs are limited, and the parasites have shown an inevitable resistance toward most of these drugs. All these factors pose a barrier to control the parasite at present. Hence, new strategies are needed to develop more effective and less toxic nanomedicines that could treat and manage the Leishmania parasite. One of these effective strategies is to construct nanometals with biologically active molecules that could possess dynamic antileishmanial activities with desirable biocompatibility. In this review paper, antileishmanial potencies of different metal nanoparticles, with particular emphasis on biogenic metal nanoparticles from 2011 to 2019, are summarized. The mechanisms by which metal-based nanomedicines kill Leishmania are also discussed.
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Affiliation(s)
- Aftab Ahmad
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Sadeeq Ullah
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, No. 15 East Road of North Third Ring, Chaoyang District, Beijing, 100029, PR China
| | - Fatima Syed
- Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Pakistan
| | - Kamran Tahir
- Institute of Chemical Sciences, Gomal University D.I. Khan, KP, 29050, Pakistan
| | - Arif U Khan
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Qipeng Yuan
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
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90
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Abstract
Biomedical devices have become essential in the health care. Every day, an enormous number of these devices are used or implanted in humans. In this context, the bacterial contamination that could be developed in implanted devices is critical since it is estimated that infections kill more people than other medical causes. Commonly, these infections are treated with antibiotics, but the biofilm formation on implant surfaces could significantly reduce the effectiveness of these antibiotics since bacteria inside the biofilm is protected from the drug. In some cases, a complete removal of the implant is necessary in order to overcome the infection. In this context, antibacterial coatings are considered an excellent strategy to avoid biofilm formation and, therefore, mitigate the derived complications. In this review, the main biomaterials used in biomedical devices, the mechanism of biofilm formation, and the main strategies for the development of antibacterial coatings, are reviewed. Finally, the main polymer-based strategies to develop antibacterial coatings are summarized, with the aim of these coatings being to avoid the bacteria proliferation by controlling the antibacterial mechanisms involved and enhancing long-term stability.
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91
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Construction of antimicrobial and biocompatible cotton textile based on quaternary ammonium salt from rosin acid. Int J Biol Macromol 2020; 150:1-8. [PMID: 32007552 DOI: 10.1016/j.ijbiomac.2020.01.259] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/18/2020] [Accepted: 01/26/2020] [Indexed: 02/07/2023]
Abstract
Antimicrobial cotton textiles (CT) show great promise for wound dressings. However, modifying CTs to have antimicrobial properties requires balancing the killing of microbes while protecting normal cells. In this study, the surface of CT was modified using maleopimaric acid quaternary ammonium cations (MPA-N+) from rosin acid. The surfaces morphology and chemical composition were determined by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), which confirmed that the MPA-N+ modified CT (CT-g-MPA-N+) was prepared. CT-g-MPA-N+ shows strong and broad spectrum antimicrobial activities against Gram-negative bacteria (Escherichia coli, Pseudomonas aeruginosa) and Gram-positive bacteria (Staphylococcus aureus). It also exhibits prominent durability of antimicrobial capability even after soaking in PBS for 6 days, and can effectively inhibit bacterial biofilm formation. Most importantly, the excellent biocompatibility of CT-g-MPA-N+ was verified by hemocompatible and cytotoxic assays. This work is believed to be promising method to prepare antimicrobial cotton textiles by surface modification and suggest the great potential application in wound dressing.
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92
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Anand A, Manavalan G, Mandal RP, Chang HT, Chiou YR, Huang CC. Carbon Dots for Bacterial Detection and Antibacterial Applications-A Minireview. Curr Pharm Des 2020; 25:4848-4860. [DOI: 10.2174/1381612825666191216150948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 12/10/2019] [Indexed: 12/31/2022]
Abstract
:
The prevention and treatment of various infections caused by microbes through antibiotics are becoming
less effective due to antimicrobial resistance. Researches are focused on antimicrobial nanomaterials to inhibit
bacterial growth and destroy the cells, to replace conventional antibiotics. Recently, carbon dots (C-Dots) become
attractive candidates for a wide range of applications, including the detection and treatment of pathogens. In addition
to low toxicity, ease of synthesis and functionalization, and high biocompatibility, C-Dots show excellent
optical properties such as multi-emission, high brightness, and photostability. C-Dots have shown great potential
in various fields, such as biosensing, nanomedicine, photo-catalysis, and bioimaging. This review focuses on the
origin and synthesis of various C-Dots with special emphasis on bacterial detection, the antibacterial effect of CDots,
and their mechanism.
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Affiliation(s)
- Anisha Anand
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Gopinathan Manavalan
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | | | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | - Yi-Ru Chiou
- Institute of Photonics, National Changhua University of Education, Changhua 500, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
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93
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Hua J, Yuan X, Ma X, Ma P, Wang J, Niu J. A silver-substituted phosphomolybdate prevents the growth of bacteria without affecting the balance of reactive oxygen species. CrystEngComm 2020. [DOI: 10.1039/d0ce01283a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel 2D nanoscale silver-substituted Strandberg-type phosphomolybdate shows good inhibitory effect on the growth of Escherichia coli.
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Affiliation(s)
- Jiai Hua
- Henan Key Laboratory of Polyoxometalate Chemistry
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
- P. R. China
| | - Xin Yuan
- State Key Laboratory of Coordination Chemistry
- Nanjing University
- Nanjing
- P. R. China
| | - Xiang Ma
- Chemistry and Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Pengtao Ma
- Henan Key Laboratory of Polyoxometalate Chemistry
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
- P. R. China
| | - Jingping Wang
- Henan Key Laboratory of Polyoxometalate Chemistry
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
- P. R. China
| | - Jingyang Niu
- Henan Key Laboratory of Polyoxometalate Chemistry
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
- P. R. China
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94
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Lin A, Liu Y, Zhu X, Chen X, Liu J, Zhou Y, Qin X, Liu J. Bacteria-Responsive Biomimetic Selenium Nanosystem for Multidrug-Resistant Bacterial Infection Detection and Inhibition. ACS NANO 2019; 13:13965-13984. [PMID: 31730327 DOI: 10.1021/acsnano.9b05766] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Multidrug-resistant (MDR) bacterial infections are a severe threat to public health owing to their high risk of fatality. Noticeably, the premature degradation and undeveloped imaging ability of antibiotics still remain challenging. Herein, a selenium nanosystem in response to a bacteria-infected microenvironment is proposed as an antibiotic substitute to detect and inhibit methicillin-resistant Staphylococcus aureus (MRSA) with a combined strategy. Using natural red blood cell membrane (RBCM) and bacteria-responsive gelatin nanoparticles (GNPs), the Ru-Se@GNP-RBCM nanosystem was constructed for effective delivery of Ru-complex-modified selenium nanoparticles (Ru-Se NPs). Taking advantage of natural RBCM, the immune system clearance was reduced and exotoxins were neutralized efficiently. GNPs could be degraded by gelatinase in pathogen-infected areas in situ; therefore, Ru-Se NPs were released to destroy the bacteria cells. Ru-Se NPs with intense fluorescence imaging capability could accurately monitor the infection treatment process. Moreover, excellent in vivo bacteria elimination and a facilitated wound healing process were confirmed by two kinds of MRSA-infected mice models. Overall, the above advantages proved that the prepared nanosystem is a promising antibiotic alternative to combat the ever-threatening multidrug-resistant bacteria.
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Affiliation(s)
- Ange Lin
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Yanan Liu
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
- College of Life Sciences , Shenzhen University , Shenzhen , Guangdong 518060 , China
| | - Xufeng Zhu
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Xu Chen
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Jiawei Liu
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Yanhui Zhou
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Xiuying Qin
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
| | - Jie Liu
- Department of Chemistry , Jinan University , Guangzhou 510632 , China
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95
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Sportelli MC, Longano D, Bonerba E, Tantillo G, Torsi L, Sabbatini L, Cioffi N, Ditaranto N. Electrochemical Preparation of Synergistic Nanoantimicrobials. Molecules 2019; 25:E49. [PMID: 31877834 PMCID: PMC6983245 DOI: 10.3390/molecules25010049] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/17/2019] [Accepted: 12/19/2019] [Indexed: 12/29/2022] Open
Abstract
The rapid spreading of resistance among common bacterial pathogens towards the misused antibiotics/disinfectant agents has drawn much attention worldwide to bacterial infections. In light of this, the present work aimed at the realization of core-shell nanoparticles possessing remarkable antimicrobial properties thanks to the synergistic action of the metal core and the disinfectant shell. Copper nanoparticles stabilized by benzalkonium chloride were prepared, characterized, and implemented in poly-vinyl-methyl ketone to obtain nanoantimicrobial composite coatings. Bioactivity tests are reported, proving the excellent disinfectant properties of the proposed nanomaterials, as compared to one of the well-known and strongest silver-based nanoantimicrobials. Applications are also briefly described.
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Affiliation(s)
- Maria Chiara Sportelli
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
- Dipartimento di Fisica, Istituto di Fotonica e Nanotecnologie UOS Bari, CNR, Via Amendola 173, I–70126 Bari, Italy
| | - Daniela Longano
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
| | - Elisabetta Bonerba
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, Strada Prov. 62 per Casamassima, Km 3, I–70010 Valenzano (BA), Italy; (E.B.); (G.T.)
| | - Giuseppina Tantillo
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, Strada Prov. 62 per Casamassima, Km 3, I–70010 Valenzano (BA), Italy; (E.B.); (G.T.)
| | - Luisa Torsi
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
| | - Luigia Sabbatini
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
| | - Nicola Cioffi
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
| | - Nicoletta Ditaranto
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona 4, I–70125 Bari, Italy; (M.C.S.); (D.L.); (L.T.); (L.S.)
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96
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Ma X, Zhou F, Yue H, Hua J, Ma P. A nano-linear zinc-substituted phosphomolybdate with reactive oxygen species catalytic ability and antibacterial activity. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.07.112] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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97
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Fulaz S, Vitale S, Quinn L, Casey E. Nanoparticle–Biofilm Interactions: The Role of the EPS Matrix. Trends Microbiol 2019; 27:915-926. [DOI: 10.1016/j.tim.2019.07.004] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/19/2019] [Accepted: 07/18/2019] [Indexed: 01/09/2023]
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98
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Ma W, Li L, Lin X, Wang Y, Ren X, Huang TS. Novel ZnO/N-halamine-Mediated Multifunctional Dressings as Quick Antibacterial Agent for Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2019; 11:31411-31420. [PMID: 31373785 DOI: 10.1021/acsami.9b10857] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cutaneous hemorrhage often occurs in daily life which may cause infection and even amputation. This research aims to develop a novel chitosan dressing impregnated with ZnO/N-halamine hybrid nanoparticles for quick antibacterial performance, outstanding hemostatic potential, high porosity, and favorable swelling property through combining sonication and lyophilization processing. After 30 days of storage, about 90% bacterial cell viability loss could be observed toward both Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli O157:H7 within 30 min of contact by colony counting method. The hybrids assembled much more platelet and red blood cell as compared with pure chitosan control. Moreover, the lower blooding clotting index value gave evidence that these composites could control hemorrhaging and reduce the probability of wound infection. No potential skin irritation and toxicity were detected using in vitro cytocompatibility and a skin stimulation test. Therefore, this work demonstrated a facile and cost-effective approach for the preparation of N-halamine-based hybrid sponges which show promising application for wound dressings.
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Affiliation(s)
- Wei Ma
- Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Lin Li
- Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Xinghuan Lin
- Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Yingfeng Wang
- Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Xuehong Ren
- Key Laboratory of Eco-textiles of Ministry of Education, College of Textiles and Clothing , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Tung-Shi Huang
- Department of Poultry Science , Auburn University , Auburn , Alabama 36849 , United States
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Abstract
The prevention of infectious diseases is a global challenge where multidrug-resistant bacteria or "superbugs" pose a serious threat to worldwide public health. Microtopographic surfaces have attracted much attention as they represent a biomimetic and nontoxic surface antibacterial strategy to replace biocides. The antimicrobial effect of such natural and biomimetic surface nanostructures involves a physical approach which eradicates bacteria via the structural features of the surfaces without any release of biocides or chemicals. These recent developments present a significant proof-of-concept and a powerful tool in which cellular adhesion and death caused by a physical approach, can be controlled by the micro/nanotopology of such surfaces. This represents an innovative direction of development of clean, effective and nonresistant antimicrobial surfaces. The minireview will cover novel approaches for the construction of nanostructures on surfaces in order to create antimicrobial surface in an environmentally friendly, nontoxic manner.
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Affiliation(s)
- Guangshun Yi
- a Institute of Bioengineering and Nanotechnology, The Nanos , Singapore , Singapore
| | - Siti Nurhanna Riduan
- a Institute of Bioengineering and Nanotechnology, The Nanos , Singapore , Singapore
| | - Yuan Yuan
- a Institute of Bioengineering and Nanotechnology, The Nanos , Singapore , Singapore
| | - Yugen Zhang
- a Institute of Bioengineering and Nanotechnology, The Nanos , Singapore , Singapore
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Weldrick PJ, Iveson S, Hardman MJ, Paunov VN. Breathing new life into old antibiotics: overcoming antibacterial resistance by antibiotic-loaded nanogel carriers with cationic surface functionality. NANOSCALE 2019; 11:10472-10485. [PMID: 31112150 DOI: 10.1039/c8nr10022e] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Multidrug-resistant pathogens are prevalent in chronic wounds. There is an urgent need to develop novel antimicrobials and formulation strategies that can overcome antibiotic resistance and provide a safe alternative to traditional antibiotics. This work aimed to develop a novel nanocarrier for two cationic antibiotics, tetracycline hydrochloride and lincomycin hydrochloride which can potentially overcome antibiotic resistance. In this study, we report the use of surface functionalised polyacrylic copolymer nanogels as carriers for cationic antibiotics. These nanogels can encapsulate small cationic antimicrobial molecules and act as a drug delivery system. They were further functionalised with a biocompatible cationic polyelectrolyte, bPEI, to increase their affinity towards the negatively charged bacterial cell walls. These bPEI-coated nanocarrier-encapsulated antibiotics were assessed against a range of wound isolated pathogens, which had been shown through antimicrobial susceptibility testing (AST) to be resistant to tetracycline and lincomycin. Our data reveal that bPEI-coated nanogels with encapsulated tetracycline or lincomycin displayed increased antimicrobial performance against selected wound-derived bacteria, including strains highly resistant to the free antibiotic in solution. Additionally, our nanocarrier-based antibiotics showed no detectable cytotoxic effect against human keratinocytes. We attribute the increase in the antimicrobial activity of the cationically functionalised antibiotic-loaded nanogel carriers to specific electrostatic adhesion to the microbial cell wall delivering a higher local antibiotic concentration, confirmed by scanning electron microscopy. Such a nanotechnology based approach may enhance the effectiveness of a wide variety of existing antibiotics, offering a potentially new mechanism to overcome antibiotic resistance.
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Affiliation(s)
- Paul J Weldrick
- Department of Chemistry and Biochemistry, University of Hull, Hull, HU6 7RX, UK.
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