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\ p None B a = c @ = Z ?N*8 X" 1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial General ` Table 1 QJ 1 Chemical Working concentration Application Treatment duration Health effects References Urethane 2% w/v/ D e t e r m i n a t i o n o f m e c h a n i s m o f u r e t h a n e s a c t i o n 5 Hyperextension; potential reversal; structural damage{ [34] 1 3 % w / v Relaxation prior to fixation 2 2 0 m i n
None reportedc [35,36,38,63,64] Fluorescence microscopy Not reported{ [37] 5*10-2M Inhibition of feeding reaction{ [43] Chlorobutanol (chloretone) 0 . 1 0 . 3 3 % w / v i n b a t h : Reactions to chloretone exposure on 3 Hydra species
several hours5 No apparent damage at low concentrations; habituation{ [44] 3*10-3M 0.1% w/v Fluorescence imaging [41,42]s 1-Heptanol 3 mM RNA interference
10 min at 4C{ [39] 1% v/v{ [40] Magnesium chloride 2.5% w/v 5 min$ Extensive damage with exposure >1 hr{ [32]p Menthol [65,66] Disintegration MS-222 0.1%
d MbP?_ % * + &P &F