Related Experiment Video
Updated: Aug 18, 2025

06:12
Mechanical Separation and Protein Solubilization of the Outer and Inner Perivitelline Sublayers from Hen's Eggs
Published on: January 27, 2021
4.5K
Analysis of Adhesion at the Interface of Steamed Bread and Eggshell
1Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi'an Jiaotong University, Xi'an 710049, China.
Molecules (Basel, Switzerland)
|December 11, 2022
Summary
Steamed bread and eggshells form a strong bond due to starch molecules diffusing and forming hydrogen bonds with eggshell
Area of Science:
- Materials Science
- Polymer Science
- Surface Chemistry
Background:
- Adhesion phenomena are common in nature and human activities.
- Understanding polymer adhesion is crucial for material design.
Purpose of the Study:
- To investigate the adhesion mechanism between steamed bread and eggshell.
- To analyze the formation of strong bonds at the interface.
Main Methods:
- Scanning Electron Microscopy (SEM) for interface observation.
- Molecular Dynamics (MD) simulation for mechanism analysis.
Main Results:
- SEM revealed strong-bond interfaces.
- MD simulations showed starch molecule diffusion and hydrogen bond formation between starch and calcium carbonate.
- Hydrogen bond formation decreased with cooling temperature.
Conclusions:
- Strong adhesion results from absorption, diffusion, surface chemistry, and hydrogen bonding.
- Findings offer insights for designing strong, environmentally friendly adhesives.
Related Concept Videos
Adhesion
40.4K
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
Capillary action is a result of water’s adhesive tendencies. When a narrow...
40.4K
Adherens Junctions
4.9K
Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types – adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
Adherens Junctions are Dynamic
4.9K

