Chemical Pesticides: Mode of Action and Toxicology - Chapter 2 pptx

... Stenersen  2. 2 .2 Dose and effect The law of mass action tells us that the amount of reaction products and the velocity of a chemical reaction increase with the concentrations of the reac- tants. ... generation from crosses of S and R. -1 .75 -1 .25 -0 .75 -0 .25 0 .25 0.75 1 .25 1.75 2. 5 5.0 7.5 5.67 R S F 2 75% Dose (log g/fly) Response (Probit) P n n...

Ngày tải lên: 11/08/2014, 12:21

... P S CH 3 O CH 3 O SCH 2 C O NHCH 3 P O CH 3 O CH 3 O SCH 2 C O NHCH 3 P S CH 3 O CH 3 O SCH 2 C O O P S O CH 3 O SCH 2 C O NHCH 3 GSH H 2 O [O] P O CH 3 S CH 3 O SCH 2 C O NHCH 3 isomerisation CH 3 SG dimethoate dimethoxon iso-dimethoate P CH 3 O C H 3 O O SCH 2 CH 2 SCH 2 CH 3 [O] P CH 3 O CH 3 O O SCH 2 CH 2 SCH 2 CH 3 O P CH 3 O CH 3 O O SCH 2 CH 2 SCH 2 CH 3...

Ngày tải lên: 11/08/2014, 12:21

... PS1 paraquat 22 22 22 OHOHO+→+ + H O Fe OH OH Fe 22 +→⋅+ + ++ − +++ H O GSH H O GSSG 22 2 22+ →+ 20 04 by Jorgen Stenersen  N CCH 2 Cl O CH 2 OCH 2 CH 3 CH 2 CH 3 CH 3 CH 3 CH 3 N C O CH 2 OCH 3 CHCOC 2 H 5 CH 3 ... carboxin. CH 2 CCoA OF COOH CO CH 2 COOH COOH CHF CCOOHHO CH 2 COOH COOH CH 2 C-COOHHO CH 2 COOH COOH CH 2 C-COOH CH COOH COOH CH 2 CH 2 CO...

Ngày tải lên: 11/08/2014, 12:21

... of feeding of Lepidoptera larvae and paralysis of the gut that retards the passage of food and allows the spores to germinate. The larvae suffer a general paralysis and die. Bt israelen- sis-treated ... proteins, and their function and versatility for insect control have yet to be elucidated. 4.1 The mechanism of action of δ-endotoxins As mentioned, the δ-endotoxin (Cr...

Ngày tải lên: 11/08/2014, 12:21

... of 2- aceta- mido -2 - deoxy-D-glucose into chitin. It is produced by fermentation of Strep- tomyces cacaoi var. asoensis. It is used as a fungicide against powdery mildews in apples and pears, and ... chloroplasts. Naturally the reactions involved in the synthesis of 5-enolpyru- voyl-shikimate-3-phosphate and its inhibition by glyphosate have been stud- ied extensively, and ma...

Ngày tải lên: 11/08/2014, 12:21

... com- mon name bioallethrin has the name (RS )-3 -allyl -2 - methyl-4-oxocyclo- pent -2 - enyl(1R,3R ) -2 , 2- dimethyl- 3-( 2- methylprop-1-enyl)cyclopropanecar- boxylate from the International Union of Pure and ... all textbooks of biochemistry, cell biology, and neurobiology (e.g., Alberts et al., 20 02; Breidbach and Kutsch, 1995; Gullan and Cranston, 20 00; Levitan an...

Ngày tải lên: 11/08/2014, 12:21

... is of great eco- nomic importance and is cross-resistant to parathion-methyl and profenofos, but not to chlorpyrifos. It has an acetylcholinesterase with low sensitivity to paraoxon-methyl and ... resis- tance are Hemingway and Ranson (20 00) and Wilson (20 01). Ferre and Van Rie (20 02) have written a review about resistance to B. thuringiensis. The only method to delay develop...

Ngày tải lên: 11/08/2014, 12:21

... CH 2 CH 2 CHHS (CH 2 ) 4 CONH 2 HOAs O SCH 2 CH 2 CHS (CH 2 ) 4 CONH 2 AsHO CoA Ac-CoA arsenite pyruvic acid Acetyl-CoA SCH 2 CH 2 CHS (CH 2 ) 4 CONH 2 lipoamide 64 Chemical pesticides: Mode of action and toxicology 3.5 .2 ... degradation 168 8 .2. 5 Examples 169 8 .2. 5.1 Co-metabolism and adaptation 169 8 .2. 5 .2 Parathion and other pesticides wi...

Ngày tải lên: 03/04/2014, 12:11

... determination of oxygen consumption of a waste. t (day) 24 6810 y (mg/L) 10 20 23 25 28 t (day) 2 4 6 8 10 y (mg/L) 10 20 23 25 28 ∑y = 68 b y′ 3 .25 a 1 .25 1 .25 ∑y′ = 5.75 y 2 400 529 625 ∑y 2 = 1554 yy′ ... R 11 , R 12 , and R 13 and those of MPN 2 are R 21 , R 22 , and R 23 . The corresponding mean readings are, respectively, R 1ave and R 2ave...

Ngày tải lên: 11/08/2014, 10:22

... the three-electron reduction of O 2 : O 2 þ e À ! O 2  À ð1Þ O 2  À þ H þ ! HO 2  2 2HO 2  ! H 2 O 2 þ O 2 ð3Þ H 2 O 2 þ e À ! OH  þ OH À ð4Þ H 2 O 2 þ O 2  À ! OH  þ OH À þ O 2 ð5Þ This ... TiO 2 photo- catalyst: Part I. 1-Butanol and 1-butylamine. J Photochem Photobiol A Chem 20 00; 1 32: 225 23 2. 1 12. Saito T, Iwase T, Horie J, Morioka T. Mo...

Ngày tải lên: 11/08/2014, 13:21