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240703s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00922
|2 doi
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|a pubmed25n1247.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Song, Huiping
|e verfasserin
|4 aut
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| 245 |
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|a Iron/Molybdenum Sulfide Nanozyme Cocatalytic Fenton Reaction for Photothermal/Chemodynamic Efficient Wound Healing
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.07.2024
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|a Date Revised 16.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The issue of bacterial infectious diseases remains a significant concern worldwide, particularly due to the misuse of antibiotics, which has caused the emergence of antibiotic-resistant strains. Fortunately, the rapid development of nanomaterials has propelled significant progress in antimicrobial therapy, offering promising solutions. Among them, the utilization of nanoenzyme-based chemodynamic therapy (CDT) has become a highly hopeful approach to combating bacterial infectious diseases. Nevertheless, the application of CDT appears to be facing certain constraints for its low efficiency in the Fenton reaction at the infected site. In this study, we have successfully synthesized a versatile nanozyme, which was a composite of molybdenum sulfide (MoS2) and iron sulfide (FeS2), through the hydrothermal method. The results showed that iron/molybdenum sulfide nanozymes (Fe/Mo SNZs) with desirable peroxidase (POD) mimic activity can generate cytotoxic reactive oxygen species (ROS) by successfully triggering the Fenton reaction. The presence of MoS2 significantly accelerates the conversion of Fe2+/Fe3+ through a cocatalytic reaction that involves the participation of redox pairs of Mo4+/Mo6+, thereby enhancing the efficiency of CDT. Additionally, based on the excellent photothermal performance of Fe/Mo SNZs, a near-infrared (NIR) laser was used to induce localized temperature elevation for photothermal therapy (PTT) and enhance the POD-like nanoenzymatic activity. Notably, both in vitro and in vivo results demonstrated that Fe/Mo SNZs with good broad-spectrum antibacterial properties can help eradicate Gram-negative bacteria like Escherichia coli and Gram-positive bacteria like Staphylococcus aureus. The most exciting thing is that the synergistic PTT/CDT exhibited astonishing antibacterial ability and can achieve complete elimination of bacteria, which promoted wound healing after infection. Overall, this study presents a synergistic PTT/CDT strategy to address antibiotic resistance, providing avenues and directions for enhancing the efficacy of wound healing treatments and offering promising prospects for further clinical use in the near future
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|a Journal Article
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|a Molybdenum
|2 NLM
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|a 81AH48963U
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|a molybdenum disulfide
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|a ZC8B4P503V
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|a Sulfides
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|a Disulfides
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a Anti-Bacterial Agents
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a ferrous sulfide
|2 NLM
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|a TH5J4TUX6S
|2 NLM
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|a Ferrous Compounds
|2 NLM
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| 700 |
1 |
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|a Cheng, Zheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Ran
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Ziyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Tianxiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yuli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Huijun
|e verfasserin
|4 aut
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| 700 |
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|a Du, Yifei
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Fan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 28 vom: 16. Juli, Seite 14346-14354
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:40
|g year:2024
|g number:28
|g day:16
|g month:07
|g pages:14346-14354
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00922
|3 Volltext
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