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Characterization of Adhesivity of Organic Enriched Sea Spray Aerosols by Atomic Force Microscopy by Kohei Ono; Ayumi Iwata; Takeshi Fukuma; Yoko Iwamoto; Koji Hamasaki; Atsushi Matsuki is a Environmental Science article available to read on EtoBox.

What is Characterization of Adhesivity of Organic Enriched Sea Spray Aerosols by Atomic Force Microscopy about?

Aerosol particles can trigger various environmental issues, not only when they are airborne but even after their deposition. For example, highly corrosive sea spray aerosols (SSA) can be deposited on surfaces and cause damage to steel- or concrete-based infrastructure, especially in coastal areas. However, the extent to which the adhesive behavior of SSA is affected by different degrees of organic mixing has not been sufficiently studied. The goal of this study was to evaluate the adhesion forces of both laboratory-generated and ambient SSA with a variety of organic contents on an individual particle basis using atomic force microscopy. Aerosols were also generated using a bulk sea foam sample collected from the coast of Noto Peninsula, Japan to simulate SSA enriched in a complex mixture of marine organics. The adhesion force of the sea foam particles was compared with that of two types of standard monosaccharides (glucose and fucose), artificial inorganic sea salt (ASS), glucose and ASS mixtures at different mass ratios, and ambient sea salt (SS) particles. Pure monosaccharide or its mixtures showed substantially larger adhesion forces than predominantly inorganic particles such a

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Author

Kohei Ono; Ayumi Iwata; Takeshi Fukuma; Yoko Iwamoto; Koji Hamasaki; Atsushi Matsuki

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)