Scientia Marina, Vol 81, No 4 (2017)

Antifouling efficacy of a controlled depletion paint formulation with acetophenone

Sangmok Jung
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of

Mohandoss Sidharthan , Korea, Republic of

Jihyun Lee
Korea Fisheries Resources Agency East Sea Branch, Korea, Republic of

Hanjoo Lee
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of

Jiyoung Jeon
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of

Taehee Park
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of

Junghyun Yoon
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of

Jaehyuk Jeon
Natural Marine Biodiversity Institute of Korea, Korea, Republic of

Hyunwoung Shin
Department of Life Science and Biotechnology, Soonchunhyang University, Korea, Republic of


Biofouling is an inevitable problem that occurs continually on marine fishing vessels and other small crafts. The nature of the antifouling (AF) coatings used to prevent biofouling on these small vessels is of great environmental concern. Therefore, the efficacy of a non-toxic AF candidate, acetophenone, was evaluated in preliminary laboratory assays using marine bacteria, diatom and Ulva spores. At a low concentration of 100 μg cm–2 of acetophenone, spore attachment of a green fouling alga was significantly reduced (p < 0.01). Similarly, 40% acetophenone coatings significantly inhibited diatom attachment. This new non-toxic AF agent was incorporated into controlled depletion paint (CDP). Fouling coverage (%), biomass, and fouling resistance (%) were estimated. On CDP coatings made with acetophenone (40%), a significant decrease in fouling biomass was estimated (p < 0.01).


Ulva spores; antifouling; acetophenone; fouling biomass; fouling resistance; controlled depletion paint (CDP)

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