Adhesive Behavior of Propolis on Different Substrates

Saccardi, Leonie; Schiebl, Jonas; Weber, Katharina; Schwarz, Oliver; Gorb, Stanislav N.; Kovalev, Alexander

doi:10.3389/fmech.2021.660517

Cited by 9 publications

(14 citation statements)

References 46 publications

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“…Adhesion experiments were performed in a manner similar to that in [1]. Just before each adhesion experiment, a small amount of homogenised propolis powder was defrosted and kneaded into a homogeneous mass.…”

Section: Test Methodsmentioning

confidence: 99%

“…As a reference, propolis adhesion on bee mandibles was compared to propolis adhesion measured on glass under dry and fluid conditions [1]. For the reference experiments in fluid conditions, a drop of oil (mineral oil, light, Sigma-Aldrich, St. Louis, USA) was placed on the glass surface as described in [1] and shown in Figure 3B. Oil was chosen because we assumed that the mandibles surface might be oily.…”

Section: Test Methodsmentioning

confidence: 99%

“…Raw propolis provided by private beekeeper Dr. Oliver Schwarz (Stuttgart, Germany) (Figure 1A) was harvested and homogenised as described in [1]. For homogenisation, propolis chunks were mixed, frozen finely ground and subsequently stored at −20 °C (Figure 1B).…”

Section: Propolismentioning

confidence: 99%

“…Adhesion experiments were evaluated as described in [1] using Matlab, version R2015b. The unloading part of force-distance curves (Figure 3E) acquired from adhesion experiments was fitted according to the JKR theory [30]:…”

Section: Data Analysis and Statisticsmentioning

confidence: 99%

“…The honeybee (Apis mellifera) was chosen as a possible model because it collects and processes propolis, a sticky and ductile material, that is created by mixing plant resins, wax, and other substances. Similar to tree resins, which contaminate the surfaces of processing tools, propolis also adheres well to different types of surfaces [1].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Interaction between honeybee mandibles and propolis

Saccardi¹,

Brümmer²,

Schiebl³

et al. 2022

Beilstein J. Nanotechnol.

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In a biomimetic top-down process, challenging the problem of resin deposition on woodworking machine tools, an adequate biological model was sought, which hypothetically could have developed evolutionary anti-adhesive strategies. The honeybee (Apis mellifera) was identified as an analogue model since it collects and processes propolis, which largely consists of collected tree resin. Propolis is a sticky substance used by bees to seal their hive and protect the colony against pathogens. In spite of its stickiness, honeybees are able to handle and manipulate propolis with their mandibles. We wanted to know if beneficial anti-adhesive properties of bee mandibles reduce propolis adhesion. The anatomy of bee mandibles was studied in a (cryo-)scanning electron microscope. Adhesion experiments were performed with propolis on bee mandibles to find out if bee mandibles have anti-adhesive properties that enable bees to handle the sticky material. A scale-like pattern was found on the inside of the mandible. Fresh mandibles were covered with a seemingly fluid substance that was at least partially removed during the washing process. Propolis adhesion on bee mandibles was measured to be 1 J/m2 and was indeed significantly lower compared to five technical materials. Propolis adhesion was higher on mandibles that were washed compared to fresh, unwashed mandibles. Results indicate that the medial surface of the mandible is covered with a fluid substance that reduces propolis adhesion. First results suggested that the surface pattern does do not have a direct effect on propolis adhesion.

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Section: Test Methodsmentioning

confidence: 99%

Section: Test Methodsmentioning

confidence: 99%

Section: Propolismentioning

confidence: 99%

Section: Data Analysis and Statisticsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Interaction between honeybee mandibles and propolis

Saccardi¹,

Brümmer²,

Schiebl³

et al. 2022

Beilstein J. Nanotechnol.

Self Cite

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Mechanical and environmental performance assessment of cotton stalk composites with natural adhesives for sustainable construction materials

Ibrahim,

Elhady,

Inan

et al. 2024

J Mater Cycles Waste Manag

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Development of Poly(l-lactic acid)-Yellow Propolis Membranes for Antioxidant Applications

S Contieri,

Vieira,

Vaz

et al. 2024

ACS Appl. Polym. Mater.

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Propolis-based products, particularly those high in phenolic compounds, are extensively utilized in pharmaceutical applications for their broad therapeutic and health benefits. To improve the delivery and stability of these compounds, researchers are exploring biocompatible materials for encapsulating natural extracts. Polylactic acid (PLA) stands out as a promising biopolymer due to its biocompatibility, nontoxicity, exceptional biodegradability, and favorable mechanical properties, making it well-suited for a range of medical and pharmaceutical applications. This study aimed to develop PLA-based membranes incorporating raw yellow propolis through electrospinning and to identify the maximum feasible concentration of raw propolis that can be incorporated into PLA membranes. The chemical composition of the yellow propolis was analyzed using chromatographic techniques coupled with a photodiode array detector and mass spectrometry (UHPLC-PDA-MS/MS), highlighting its rich array of phenolic compounds, which are known for their significant antioxidant properties. The membranes were thoroughly characterized with Fourier transform infrared spectroscopy and scanning electron microscopy, confirming the successful incorporation of propolis into the PLA membranes, particularly in the sample containing 25% propolis (w/w). Total phenolic content, antioxidant activity, and bioadhesion were also evaluated. Results showed that the membrane with 25% propolis (w/w) exhibits skin-adhesive properties and huge antioxidant activity due to its phenolic content. These findings suggest that the membrane has strong potential for future biomedical applications, where antioxidant activity is essential.

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Adhesive Behavior of Propolis on Different Substrates

Cited by 9 publications

References 46 publications

Interaction between honeybee mandibles and propolis

Interaction between honeybee mandibles and propolis

Mechanical and environmental performance assessment of cotton stalk composites with natural adhesives for sustainable construction materials

Development of Poly(l-lactic acid)-Yellow Propolis Membranes for Antioxidant Applications

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