Antifungal activity of transparent nanocomposite thin films of pullulan and silver against Aspergillus niger

Pinto, Ricardo J.B.; Almeida, Adelaide; Fernandes, Susana C. M.; Freire, Carmen S.R.; Silvestre, Armando J. D.; Neto, Carlos Pascoal; Trindade, Tito

doi:10.1016/j.colsurfb.2012.09.045

Cited by 118 publications

(51 citation statements)

References 33 publications

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“…15,16 The results obtained with the nanofiber dressing containing 1% nanosilver were not statistically significant. This could be as a result of the concentration of nanosilver.…”

Section: Discussionmentioning

confidence: 92%

Efficacy of Silver-Loaded Nanofiber Dressings in Candida albicans–Contaminated Full-Skin Thickness Rat Burn Wounds

Çiloğlu

Mert

Doğan

et al. 2014

Journal of Burn Care & Research

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In this experimental study, the effects of nanofiber dressings containing different forms of silver on full-thickness rat burn contaminated with Candida albicans was analyzed. A full-thickness skin burn was formed on a total of 32 Sprague-Dawley rats. After the burn wound was seeded with a 10 colony-forming units/ml standard strain of Candida albicans ATCC90028, the animals were divided into four groups. The effects of topical silver sulfadiazine and two recently designed nanofiber dressings containing nanosilver and silversulfadiazine as active materials were compared with the control group. There was a significant difference in the Candida growth on the burn eschar tissue among the groups. The difference for Candida growth in the burn eschar between the control group and the 1% silver sulfadiazine-containing nanofiber dressing group was statistically significant (P< 0.01). Silver sulfadiazine-containing nanofiber dressing was the most effective agent in the treatment of Candida albicans-contaminated burn wounds. Because of their regenerative potential, silver-loaded nanofiber dressings could be a good alternative for infected burn wounds.

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“…15,16 The results obtained with the nanofiber dressing containing 1% nanosilver were not statistically significant. This could be as a result of the concentration of nanosilver.…”

Section: Discussionmentioning

confidence: 92%

Efficacy of Silver-Loaded Nanofiber Dressings in Candida albicans–Contaminated Full-Skin Thickness Rat Burn Wounds

Çiloğlu

Mert

Doğan

et al. 2014

Journal of Burn Care & Research

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“…These spores oppose desiccation and support dispersion, which permits the survival of Aspergillus Niger for long time periods even in severe environmental circumstances. Spore damage is related to cell walls distraction with the consequent outflow of cytoplasmic content leading to the death of cells [81]. The zone of inhibition is given in table 6 and it is observed that 2 mM fructose molar concentration sample exhibits a clear zone due to more reactive silver nanoparticles.…”

Section: Xrd Analysismentioning

confidence: 99%

Plasma-liquid synthesis of silver nanoparticles and their antibacterial and antifungal applications

Shuaib

Hussain

Ahmad

et al. 2020

Mater. Res. Express

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Silver nanoparticles are synthesized by employing argon atmospheric pressure DC microplasma technique. Specifically, the variation in fructose molar concentration is investigated for its role in the size of nanoparticles. The 2 mM molar concentration of fructose is optimum for the production of silver nanoparticles in the range '50±10 nm'. Antibacterial and antifungal action demonstrates that silver nanoparticles with small size and larger surface areas are very effective against bacteria and fungus.

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“…Other examples of bionanocomposites containing metallic NPs have been reported including those based on chitosan [81], pullulan [83], cellulose [67,79,82], gelatin [85,88] and carrageenan [84,89]. Figure 3 illustrates the use of biopolymers and Ag NPs in the fabrication of composites for antimicrobial and SERS applications.…”

Section: Blending or "Grafting To" Approachmentioning

confidence: 99%

SERS Research Applied to Polymer Based Nanocomposites

Fateixa¹,

Nogueira²,

Trindade³

2018

Raman Spectroscopy

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Polymer based nanocomposites containing metal nanoparticles (e.g. Au, Ag) have gained increased attention as a new class of SERS (Surface Enhanced Raman Scattering) substrates for analytical platforms. On the other hand, the application of SERS using such platforms can also provide new insights on the properties of composite materials. In this chapter, we review recent research on the development of SERS substrates based on polymer nanocomposites and their applications in different fields. The fundamentals of SERS are briefly approached and subsequently there is a reference to the strategies of preparation of polymer based nanocomposites. Here the main focus is on SERS studies that have used a diversity of polymer based nanocomposites, highlighting certain properties of the materials that are relevant for the envisaged functionalities. A final section is devoted to the joint use of Raman imaging and SERS in nanocomposites development, a topic that presents a great potential still to be explored as shown by the recent research in this field.

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Antifungal activity of transparent nanocomposite thin films of pullulan and silver against Aspergillus niger

Cited by 118 publications

References 33 publications

Efficacy of Silver-Loaded Nanofiber Dressings in Candida albicans–Contaminated Full-Skin Thickness Rat Burn Wounds

Efficacy of Silver-Loaded Nanofiber Dressings in Candida albicans–Contaminated Full-Skin Thickness Rat Burn Wounds

Plasma-liquid synthesis of silver nanoparticles and their antibacterial and antifungal applications

SERS Research Applied to Polymer Based Nanocomposites

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