Electrospinning membranes with Au@carbon dots: Low toxicity and efficient antibacterial photothermal therapy

Tian, Hua; Hong, Jixuan; Li, Changgui; Qiu, Yuheng; Li, Mengting; Qin, Ziyu; Ghiladi, Reza A.; Yin, Xijie

doi:10.1016/j.bioadv.2022.213155

Cited by 16 publications

(14 citation statements)

References 47 publications

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“…Reproduced with permission. [ 232 ] Copyright 2022, Elsevier. e) Schematic illustration of the preparation of Cl‐GQDs, TEM images of Cl‐GQDs‐5 V, Cl‐GQDs‐7.5 V, and Cl‐GQDs‐5V‐2 h, HRTEM image of Cl‐GQDs‐5 V. Reproduced with permission.…”

Section: Cds‐based Composites With Different Physicochemical Propertiesmentioning

confidence: 99%

“…[ 231 ] In a separate study, Au@CDs composite was made of carbon dots (N, S‐CDs) and gold NPs. [ 232 ] The photothermal conversion efficiency, light stability, and biocompatibility of the composite could all be significantly increased while using surface‐decorated CDs in lighted environments. Based on the characteristics of the aforementioned compounds, yin group electrospun the compounds into polyvinyl alcohol membrane to create the Au@CDs composites, which were then utilized as a PTT wound dressing to speed up tissue repair (Figure 7d).…”

Section: Cds‐based Composites With Different Physicochemical Propertiesmentioning

confidence: 99%

mentioning

confidence: 99%

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Antibacterial Carbon Dots‐Based Composites

Huang

Song

Zhang

et al. 2023

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The emergence and global spread of bacterial resistance to conventionally used antibiotics have highlighted the urgent need for new antimicrobial agents that might replace antibiotics. Currently, nanomaterials hold considerable promise as antimicrobial agents in anti‐inflammatory therapy. Due to their distinctive functional physicochemical characteristics and exceptional biocompatibility, carbon dots (CDs)‐based composites have attracted a lot of attention in the context of these antimicrobial nanomaterials. Here, a thorough assessment of current developments in the field of antimicrobial CDs‐based composites is provided, starting with a brief explanation of the general synthesis procedures, categorization, and physicochemical characteristics of CDs‐based composites. The many processes driving the antibacterial action of these composites are then thoroughly described, including physical destruction, oxidative stress, and the incorporation of antimicrobial agents. Finally, the obstacles that CDs‐based composites now suffer in combating infectious diseases are outlined and investigated, along with the potential applications of antimicrobial CDs‐based composites.

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Section: Cds‐based Composites With Different Physicochemical Propertiesmentioning

confidence: 99%

Section: Cds‐based Composites With Different Physicochemical Propertiesmentioning

confidence: 99%

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Antibacterial Carbon Dots‐Based Composites

Huang

Song

Zhang

et al. 2023

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“…Tian et al . [ 123 ] electrospun PVA membranes with gold nanoparticles and CDQs (Au@CDs) synthesized for PTT effect and observed a high inactivation of E. coli and S. aureus by membranes irradiated with NIR, superior to the solution.…”

Section: Future Projections and Conclusionmentioning

confidence: 99%

“…In another aspect, QDs and CDQs can be used in photothermal therapy (PTT) that is based on the incidence of near-infrared light (NIR) for conversion into heat, generating an increase in temperature of up to 10 °C to the tissue and without the formation of reactive species. Tian et al [123] electrospun PVA membranes with gold nanoparticles and CDQs (Au@CDs) synthesized for PTT effect and observed a high inactivation of E. coli and S. aureus by membranes irradiated with NIR, superior to the solution.…”

Section: Future Projections and Conclusionmentioning

confidence: 99%

Electrospinning in personal protective equipment for healthcare work

et al. 2023

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Protection in many service areas is mandatory for good performance in daily activities of workers, especially health areas. Personal protective equipment (PPE) is used to protect patients and health workers from contamination by harmful pathogens and body fluids during clinical attendance. The pandemic scenario caused by SARS-CoV-2 has shown that the world is not prepared to face global disease outbreaks, especially when it comes to the PPE of healthcare workers. In the last years, the world has faced a deficiency in the development of advanced technologies to produce high-quality PPE to attend to the exponential increasing demand. Electrospinning is a technology that can be used to produce high-quality PPE by improving the protective action of clothing. In the face of this concern, this manuscript presents as focus the potential of electrospinning to be applied in protective clothing. PPE mostly used by healthcare workers are also presented. The physico-chemical characteristics and production processes of medical textiles for PPE are addressed. Furthermore, an overview of the electrospinning technique is shown. It is important to highlight most research about electrospinning applied to PPE for health areas presents gaps and challenges; thus, future projections are also addressed in this manuscript.

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Flame retardant polyvinyl alcohol film with self‐releasing carbon dioxide and ammonia from phytic acid and urea

Wu,

Lai,

Nan

et al. 2024

J of Applied Polymer Sci

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This paper utilizes the reaction of phytic acid (PA) and urea (UM) in polyvinyl alcohol (PVA) solution to synthesize flame retardant gasses (CO2, NH3) for the preparation of PVA composite films containing flame retardant microbubbles. The flame retardancy of PVA composite films was assessed using methods including limiting oxygen index (LOI), vertical burning (UL 94), and cone calorimetry. The results indicated an increase in the LOI of the PVA composite film containing flame retardant microfoam from 20% to 30% compared with the pure PVA film, and that UL 94 reached VTM‐0. Furthermore, its peak exothermic rate and total exothermic amount were reduced by 36.25% and 38.92%, respectively, compared with the pure PVA film. The investigation of the flame‐retardant mechanism employed thermogravimetric‐infrared (TG‐IR), scanning electron microscopy (SEM), Raman spectroscopy, and infrared spectroscopy. The results demonstrate that the CO2 and NH3 flame retardant microbubbles within the composite film render it less ignitable at the initial stage, and that the internal UM of the composite film continues to decompose, releasing CO2 and NH3 upon heating. In addition, the acidic substances decomposed by PA during combustion promote the dehydration, cross‐linking, and cyclization of PVA, generating chemical structures such as POC, POP, and PO4 with enhanced thermal stability. This encourages the formation of a continuous, dense charcoal layer and impedes the transfer of oxygen and heat into the interior.

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Electrospinning membranes with Au@carbon dots: Low toxicity and efficient antibacterial photothermal therapy

Cited by 16 publications

References 47 publications

Antibacterial Carbon Dots‐Based Composites

Antibacterial Carbon Dots‐Based Composites

Electrospinning in personal protective equipment for healthcare work

Flame retardant polyvinyl alcohol film with self‐releasing carbon dioxide and ammonia from phytic acid and urea

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