Surface morphology and repellency mechanism investigation of Salvinia molesta plant

ABSTRACT Bionics is a versatile tool with a technological potential, which designers use to search for signs and clues about functional elements and mechanisms in nature that allow for the development of products. The purpose of this study was to analyze the morphology of the aquatic plant Salvinia...

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Bibliographic Details
Authors: Steigleder,Ana Paula, Roldo,Liane
Format: article
Status:Published version
Publication Date:2019
Country:Brasil
Institution:Matéria (Rio de Janeiro. Online)
Repository:Matéria (Rio de Janeiro. Online)
Language:English
OAI Identifier:oai:scielo:S1517-70762019000400300
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000400300
Access Level:Open access
Keyword:Salvinia molesta
morphology
bionics
surface
design
Description
Summary:ABSTRACT Bionics is a versatile tool with a technological potential, which designers use to search for signs and clues about functional elements and mechanisms in nature that allow for the development of products. The purpose of this study was to analyze the morphology of the aquatic plant Salvinia molesta, aiming to determine the water repellency of its leaf surface and then reproduce its properties in the design of products that require water repellent surfaces. The structure of the plant’s trichomes, analyzed by scanning electron microscope, enabled the identification of the sites where wax was present and absent. The contact angle of the leaf surface was measured, indicating the water absorption capacity of the plant’s surface. Quantification and distribution analyzes of the wax on the leaf surface were also performed. The SEM analysis revealed that the plant has no wax on its trichomes. The measured contact angle and inclination angles allied to the SEM analysis indicated that the plant has hydrophobic characteristics.