Antimicrobial activities of bacterial cellulose – Silver montmorillonite nanocomposites for wound healing

Horue, Manuel; Cacicedo, Maximiliano L.; Fernández, Mariela Alejandra; Rodenak-Kladniew, Boris; Sánchez, Rosa M. Torres; Castro, Guillermo R.

doi:10.1016/j.msec.2020.111152

Cited by 80 publications

(39 citation statements)

References 34 publications

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“…Therefore, during the last few years, different alternatives have been proposed to this end [ 4 ]. These include different biomaterials (i.e., collagen, chitosan) in combination with antibiotics, nanoparticles, antimicrobial peptides, or natural products [ 5 , 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Collagen Hydrogels Loaded with Silver Nanoparticles and Cannabis Sativa Oil

et al. 2021

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Wounds represent a major healthcare problem especially in hospital-associated infections where multi-drug resistant strains are often involved. Nowadays, biomaterials with therapeutic molecules play an active role in wound healing and infection prevention. In this work, the development of collagen hydrogels loaded with silver nanoparticles and Cannabis sativa oil extract is described. The presence of the silver nanoparticles gives interesting feature to the biomaterial such as improved mechanical properties or resistance to collagenase degradation but most important is the long-lasting antimicrobial effect. Cannabis sativa oil, which is known for its anti-inflammatory and analgesic effects, possesses antioxidant activity and successfully improved the biocompatibility and also enhances the antimicrobial activity of the nanocomposite. Altogether, these results suggest that this novel nanocomposite biomaterial is a promising alternative to common treatments of wound infections and wound healing.

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Section: Introductionmentioning

confidence: 99%

Collagen Hydrogels Loaded with Silver Nanoparticles and Cannabis Sativa Oil

et al. 2021

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“…A very common example of active compounds is represented by metal ions. In this context, silver is probably the most common metal, and it has been incorporated into BC in different forms such as salts ( Chen et al, 2019 ), bound to zeolites ( Gupta et al, 2016 ) or montmorillonite ( Horue et al, 2020 ), silver-based fluorescent complex (namely, [Ag(ImD) 2 ]ClO 4 ) ( DeBoer et al, 2015 ) and silver sulfadiazine ( Faisul Aris et al, 2019 ). Other metals have also been explored for this purpose, in particular, the introduction of zinc and zinc oxide has been investigated ( Janpetch et al, 2016 ; Shahmohammadi Jebel and Almasi, 2016 ; Khalid et al, 2017 ; Wahid et al, 2019a ; Dharmalingam and Anandalakshmi, 2020 ; Dincă et al, 2020 ) as well as titanium oxide ( Khan et al, 2015 ; Ullah et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Chemical Modification of Bacterial Cellulose for the Development of an Antibacterial Wound Dressing

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et al. 2020

Front. Bioeng. Biotechnol.

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“…Experimental investigations performed by means of TGA and AgCl test (commonly adopted to estimate the amount of Ag + ions in solution by exploiting the low solubility of AgCl salt) highlighted that ciprofloxacin did not interact with pristine Ht (entry 2), on the contrary, it was encapsulated into the pristine HNTs lumen (entry 1), whereas silver ions preferentially interact with Ht, presumable by cation exchange in the interlayer planes of the Ht particles as commonly reported for the clays belonging to the smectite group [ 24 ] (entry 2).…”

Section: Resultsmentioning

confidence: 92%

Synthesis and Characterization of Nanomaterial Based on Halloysite and Hectorite Clay Minerals Covalently Bridged

et al. 2021

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Halloysite is an aluminosilicate clay with a predominantly hollow tubular structure (HNTs) able to act as a nanocontainer for the encapsulation of several chemicals. However, HNTs possess low affinity for metal ions in their pristine form and they need to be modified for improving their adsorption capabilities. Therefore, to overcome this issue herein we report a straightforward approach for the covalent modification of the external surface of halloysite nanotubes with hectorite clay. Compared to halloysite, hectorite possesses a lamellar structure with higher cation exchange capacity. The covalent linkage between the two clays was verified by several techniques (FTIR spectroscopy, 13C CP-MAS NMR, TGA, ζ-potential, DLS, and XRD measurements) and the morphology was imaged by TEM investigations. As proof of concept the adsorption ability of the obtained nanomaterial in comparison to pristine clays was proved using ciprofloxacin and silver ions chosen as models for their different chemical characteristics.

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Antimicrobial activities of bacterial cellulose – Silver montmorillonite nanocomposites for wound healing

Cited by 80 publications

References 34 publications

Collagen Hydrogels Loaded with Silver Nanoparticles and Cannabis Sativa Oil

Collagen Hydrogels Loaded with Silver Nanoparticles and Cannabis Sativa Oil

Chemical Modification of Bacterial Cellulose for the Development of an Antibacterial Wound Dressing

Synthesis and Characterization of Nanomaterial Based on Halloysite and Hectorite Clay Minerals Covalently Bridged

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