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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-020-02207-2
|2 doi
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|a pubmed25n1030.xml
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|a (DE-627)NLM309173612
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|a (NLM)32333251
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lee, Hojun
|e verfasserin
|4 aut
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|a Rapid toxicity assessment of six antifouling booster biocides using a microplate-based chlorophyll fluorescence in Undaria pinnatifida gametophytes
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.07.2020
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Biocides of antifouling agents can cause problems in marine ecosystems by damaging to non-target algal species. Aquatic bioassays are important means of assessing the quality of water containing mixtures of contaminants and of providing a safety standard for water management in an ecological context. In this study, a rapid, sensitive and inexpensive test method was developed using free-living male and female gametophytes of the brown macroalga Undaria pinnatifida. A conventional fluorometer was employed to evaluate the acute (48 h) toxic effects of six antifouling biocides: 4,5-Dichloro-2-octyl-isothiazolone (DCOIT), diuron, irgarol, medetomidine, tolylfluanid, zinc pyrithione (ZnPT). The decreasing toxicity in male and female gametophytes as estimated by EC50 (effective concentration at which 50% inhibition occurs) values was: diuron (0.037 and 0.128 mg l-1, respectively) > irgarol (0.096 and 0.172 mg l-1, respectively) > tolylfluanid (0.238 and 1.028 mg l-1, respectively) > DCOIT (1.015 and 0.890 mg l-1, respectively) > medetomidine (12.032 and 12.763 mg l-1, respectively). For ZnPT, 50% fluorescence inhibition of U. pinnatifida gametophytes occurred at concentrations above 0.4 mg l-1. The Undaria method is rapid, simple, practical, and cost-effective for the detection of photosynthesis-inhibiting biocides, thus making a useful tool for testing the toxicity of antifouling agents in marine environments
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|a Journal Article
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|a Antifouling biocides
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|a Bioassay
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|a Fluorescence
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|a Gametophytes
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| 650 |
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4 |
|a Undaria pinnatifida
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|a Disinfectants
|2 NLM
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| 650 |
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|a Triazines
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Chlorophyll
|2 NLM
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| 650 |
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7 |
|a 1406-65-1
|2 NLM
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| 650 |
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|a Diuron
|2 NLM
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| 650 |
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7 |
|a 9I3SDS92WY
|2 NLM
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| 700 |
1 |
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|a Depuydt, Stephen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choi, Soyeon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Taejun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Jihae
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 29(2020), 5 vom: 24. Juli, Seite 559-570
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnas
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| 773 |
1 |
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|g volume:29
|g year:2020
|g number:5
|g day:24
|g month:07
|g pages:559-570
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|u http://dx.doi.org/10.1007/s10646-020-02207-2
|3 Volltext
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|d 29
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|h 559-570
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