Bioinspired and eco-friendly high efficacy cinnamaldehyde antibacterial surfaces

Li, Jing; Saini, Preety; Paterson, Joy R; Sharples, Gary J.; Badyal, J. P. S.

doi:10.1039/d0tb02379e

Cited by 40 publications

(27 citation statements)

References 80 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The cells were unaffected by vortexing and fully removed from the sample surface, as previously reported. 25 Further 10-fold serial dilutions were undertaken to provide 10 −2 , 10 −3 , 10 −4 , 10 −5 , and 10 −6 samples. Colony-forming unit (CFU) plate counting was performed by placing 10 μL drops from each diluted sample (10 −1 −10 −6 dilutions) onto autoclaved Luria-Bertani Agar solid plates (EZMix powder, dust-free, fast-dissolving fermentation medium, L7533, Sigma-Aldrich Ltd.) and incubated (model Bacterial Incubator 250, LMS Ltd.) for 16 h at 30 °C.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Tea–Essential Oil–Metal Hybrid Nanocoatings for Bacterial and Viral Inactivation

Sharples

Badyal

2021

ACS Appl. Nano Mater.

Self Cite

View full text Add to dashboard Cite

Natural plant-derived antimicrobial nanocoatings have been synthesized by mixing brewed tea with cinnamaldehyde oil. Concurrent addition of copper or silver salts produces hybrid tea−cinnamaldehyde−copper or tea−cinnamaldehyde−silver nanocoatings, respectively. Tea−cinnamaldehyde, tea−cinnamaldehyde−copper, and tea−cinnamaldehyde−silver coatings are all found to display strong antibacterial efficacy against both Gramnegative Escherichia coli and Gram-positive Staphylococcus aureus (Log 10 Reduction = 8.44 and 7.90, respectively). Tea− cinnamaldehyde−copper and tea−cinnamaldehyde−silver hybrid nanocoatings deposited onto nonwoven polypropylene provide 98.6 and 99.8% deactivation, respectively, toward murine coronavirus MHV-A59 (a potential surrogate for COVID-19 global pandemic coronavirus SARS-CoV-2). Key advantages of this approach are that the coating fabrication involves just a single step, utilizes cheap reagents (which are widely available over the counter to the general public), does not require any equipment apart from a container, and the coatings spontaneously adhere to a variety of substrate materials (including silicon, glass, polyester, nonwoven polypropylene, poly(tetrafluoroethylene), and cotton). Tea is one of the most ubiquitous beverages in the world, meaning that these antimicrobial coatings could be produced locally almost anywhere and by anyone without the need for any specialized technical training or expertize (for example, at remote field hospitals during humanitarian crises and in low-income countries).

show abstract

Section: Methodsmentioning

confidence: 99%

“…Tea−cinnamaldehyde nanocoatings alone were not considered suitable for virucidal testing given that the antimicrobial cinnamaldehyde releases into the solution over time. 25…”

Section: Methodsmentioning

confidence: 99%

Tea–Essential Oil–Metal Hybrid Nanocoatings for Bacterial and Viral Inactivation

Sharples

Badyal

2021

ACS Appl. Nano Mater.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Furthermore, the vortex mixer agitates the samples at 2000–3000 rpm and is fully capable of removing bacteria from surfaces. [ 71 ]…”

Section: Methodsmentioning

confidence: 99%

“…Furthermore, the vortex mixer agitates the samples at 2000-3000 rpm and is fully capable of removing bacteria from surfaces. [71] For antibacterial recycling tests, the same procedure as described above was followed, with the variation that, following 4 h of incubation, the substrates were taken out from the 10 À1 dilution solution microtubes, rinsed with ultrapure water (%50 ml) for 1 min at 20 C, and then completely air dried overnight before the next use. Consecutive repeat tests were performed using the same samples, with the midlog bacterial culture being placed on the same side of the substrate each time.…”

Section: Methodsmentioning

confidence: 99%

Nature‐Inspired Substrate‐Independent Omniphobic and Antimicrobial Slippery Surfaces

2021

Self Cite

View full text Add to dashboard Cite

Inspired by the carnivorous Nepenthes pitcher plant, a range of highly liquid repellent lubricant‐infused surfaces has been devised (low water droplet contact angle hysteresis and sliding angle values). This entails matching functional pulsed plasma polymer nanolayers with appropriate slippery lubricants. A molecular‐level structure–behavior relationship is developed, highlighting the importance of favorable aromatic–aliphatic intermolecular interactions between the coating and lubricant. Fluorinated lubricant‐infused pulsed plasma polymer nanocoatings resist wetting by liquids, spanning a wide range of surface tensions (including pentane, motor oil, and water, i.e., omniphobicity). In the case of natural antimicrobial compound‐infused functional plasma polymer surfaces (e.g., the essential oil cinnamaldehyde), multifunctional performance is attained combining high liquid repellency (self‐cleaning) with simultaneous strong antibacterial activity against both Gram‐positive Staphylococcus aureus and Gram‐negative Escherichia coli (log10 reduction > 7). In addition, these lubricant‐infused functional pulsed plasma polymer surfaces easily repel a variety of everyday liquids (including foodstuffs such as tomato ketchup and honey).

show abstract

“…1 As high-activity biomass compounds, they are widely used in the chemical, medicine, and food industry due to their strong ability of sterilization and antisepsis. [2][3][4][5] Given their structural similarity, the four compounds are regarded as 3-phenyl-2-propene compounds with bifunctional groups. Owing to the unsaturated carbon-carbon double bonds, the four 3-phenyl-2-propene compounds were oxidized easily to aldehyde and epoxy derivatives, resulting in limited application.…”

Section: Introductionmentioning

confidence: 99%

Thermal stability and pathways for the oxidation of four 3-phenyl-2-propene compounds

Dai

Cheng

et al. 2021

RSC Adv.

View full text Add to dashboard Cite

show abstract

Bioinspired and eco-friendly high efficacy cinnamaldehyde antibacterial surfaces

Abstract: Cinnamaldehyde essential oil containing surfaces display high levels of antibacterial activity.

Cited by 40 publications

References 80 publications

Tea–Essential Oil–Metal Hybrid Nanocoatings for Bacterial and Viral Inactivation

Tea–Essential Oil–Metal Hybrid Nanocoatings for Bacterial and Viral Inactivation

Nature‐Inspired Substrate‐Independent Omniphobic and Antimicrobial Slippery Surfaces

Thermal stability and pathways for the oxidation of four 3-phenyl-2-propene compounds

Contact Info

Product

Resources

About