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Citation: Huimei Huang, Fan Huang, Zhongrui Jiang, Pingping Wu, Ruming Yuan. Drop of Dew on the Lotus: Popular Science Experiment Concerning Blade Contact Angle Measurements for Surface Structure Simulations[J]. University Chemistry, ;2023, 38(7): 274-280. doi: 10.3866/PKU.DXHX202208014 shu

Drop of Dew on the Lotus: Popular Science Experiment Concerning Blade Contact Angle Measurements for Surface Structure Simulations

National Demonstration Center for Experimental Chemistry Education (Xiamen University), Xiamen 361005, Fujian Province, China

Corresponding author: Pingping Wu, Ruming Yuan,
Received Date: 1 August 2022

In this popular science experiment, a variety of common green plants were selected for the experiment. The contact angle images were obtained using a mobile phone and microscopic magnifier; the original Python program was used to calculate the contact angle. According to the contact angle phenomenon of different leaves and their surface structure characteristics, glass sheets, Zn sheets, and other materials have been adopted to simulate the microstructure of leaves in a simplified manner. Additionally, bionic surface materials were obtained with different wetting properties. From the application of this blade contact angle phenomenon to the exploration and simulation of surface microstructures, this experiment revealed the relationship between the leaf structure and function from the perspective of interface chemistry and investigated the concept that chemistry comes from life.
- Contact angle,
- Python applications,
- Smart phone,
- Bionic surface materials
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