Environmental Engineering Reference
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Table 12 Repellent activity against the blue mussel, Mytilus edulis and the antifouling
activity [58, 59]
Antifouling activity c
Compound
Repellent
activity a
mol cm -2 )
(50
µ
(Unit b )
15
30
60
90 days
Alkyl phenols :
HO - C 6 H 4 -(R)(- p )
R = (CH 2 ) 6 CH 3
4
+
+
+
±
R = C(CH 3 ) 2 (CH 2 )C(CH 3 ) 3 516 30
+
+
+
+
R = C 9 H 19 ( o -and p -(1 : 9)) 517 40
+
+
+
+
Isothiocyanate
6-Methylthiohexyl
10
+
+
+
+
Nicotinic acid derivative
Nicotinamide
313
-
-
-
-
Naphthoquinone derivative
1,4-Naphthoquinone
100
+
+
+
-
Antifouling agents
TBTO
200
+
+
+
+
TPT acetate
150
+
+
+
+
CuSO 4 d
100
a Repellent activity is shown by unit, but compounds having no activity with 4 unit are
shown by +,
±
,or-
mol cm -2 )
minimum dose of the sample for ++ activity (
minimum dose of CuSO 4 for ++ activity (
µ
b
Unit: 100
×
mol cm -2 )
µ
c
+, no fouling organisms in the sample zone;
±
, slightly active; -, the degree of fouling
was the same as that in the blank zone
d
Standard sample for repellent activity in the blue mussel assay
Table 13 Repellent activity against the blue mussel, Mytilus edulis [48]
Compound
Repellent activity
(Unit a )
(+) Catechin 521
6
(-)-Epicatechin 522
14
Kaempferol coumaroylglucopyranoside 523 (Kaempferol)
227
Polydatin 6 - O -( E )- p -coumarate 524
185
Raponticin 6 - O -( E )- p -coumarate 525
179
TBTO
200
TPT acetate
150
CuSO 4 b
100
minimum dose of CuSO 4 for ++ activity ( µ mol cm -2 )
minimum dose of the sample for ++ activity ( µ mol cm -2 )
a
Unit: 100
×
b
Standard sample for repellent activity in the blue mussel assay: 100
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