TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 6 pps
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 6 pps
... substances and their
metabolites react biochemically in an organism to exert a toxic effect. Chapter 7 is devoted to
defining and explaining toxicological chemistry, and Chapters 10–19 cover the toxicological ...
.
6. 1.5 Toxicological Chemistry
Toxicological chemistry relates chemistry to toxicology. It deals with the chemical nature of
toxic substances, how they are...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 3 pps
... reaction in which a carbo-
hydrate, C
6
H
12
O
6
, is broken down to carbon dioxide and water with the release of energy:
C
6
H
12
O
6
+ 6O
2
→ 6CO
2
+ 6H
2
O + energy (3 .6. 3)
Actually, such an ...
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).
C
N
C
C
C
N
O
O
H
H
H
H
CH
3
C
N
C
C
C
N
O
O
H
H
H
N
C
C
C
N
C
N
C
N
H
H
H
NH
2
N
C
C
C
N
C
N
C
NH
H
O
H
2
N
H
CC
C
C
CH
2
HO
H
H
HO
H
OH
OH
H
O
CC
C
C
CH
2
HO
H
H
HO
H
H
OH...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 10 ppsx
... element?
SS
Cd
H
+
S
H
+
S
H
Cd
2+
+
C
CPO
3
CO
H
HHO
H
H
O
C
CPO
3
CO
PO
3
HHO
H
H
O
O
C
CPO
3
CO
AsO
3
HHO
H
H
O
O
2
-
2
-
2
-
2
-
3
-
Phosphate
Glyceraldehyde
3-phosphate
3
-
Arsenite (AsO
3
)
Spontaneous hydrolysis
+
CC
OH
H
NH
3
C
H
H
O
OCC
H
H
ALA ... Physiol., 158, 65 5 66 1, 2001.
7. Goyer, R.A. and Clarkson, T.W., Toxic effects of metals, in Casarett and...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 12 pps
... As
OH
O
OH
NO
2
3-Nitro-4-hydroxyphenyl-
arsinic acid (Roxarsone)
HO As
OH
O
H
H
CNH
2
O
N-carbamoylarsinic acid
(Carbarsone)
N
N
N
SCH
H
H
As OHHO
O
H
2-Methylthio- 4-( 2'-phenylarsenic acid )-
aminopyrimidine
L 161 8Ch12Frame ... compounds found in seaweed and in sheep feeding on the seaweed.
β-D-Ribofuranoside,
2,3-dihydroxypropyl
5-deoxy- 5-( dimethylarsinyl)
(an arsenosugar...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 14 pps
...
Major phenolic compounds.
OH
CH
3
OH
CH
3
OH
OH
CH
3
OH
Phenol o-Cresol m-Cresol p-Cresol 2-Naphthol
+ H
2
O
+ OH
-
O
-
OH
L 161 8Ch14Frame Page 297 Tuesday, August 13, 2002 5:43 PM
Copyright ... significant for both their uses and their toxic effects.
8
As shown for
ethylene oxide (1,2-epoxyethane) in reactions 14.2.5 and 14.2 .6 and propylene oxide (1,2-epoxypro-
Tab...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 17 pps
... are only three major ones:
trans
-
2-butene-1-thiol,
trans
-2 -butenyl-1-thioacetate, and 3-methyl-1-butanethiol
5
:
17.2.5 Carbon Disulfide and Carbon Oxysulfide
Carbon disulfide
... beverages.
HCCCCSSCCCCH
HHHH
HHHH
HHHH
HHHH
SS
n-Butyldisulfide Diphenyldisulfide
Trans -2 -butene-1-thiol
C
H
H
H
H
H
CC
HS
H
H
C
C
H
H
H
H
H
CC
S
H
H
CC
O
C
H
H
H
Trans -2 -buten...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 1 pot
... elements.
2
He
4.003
4
Be
9.012
7
N
14.01
8
O
16. 00
9
F
19.00
10
Ne
20.18
11
Na
22.99
12
Mg
24.3
13
Al
26. 98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl
35.45
18
Ar
39.95
19
K
39.10
20
Ca
40.08
21
Sc
44. 96
22
Ti
47.88
23
V
50.94
24
Cr
52.00
25
Mn
54.94
26
Fe
55.85
27
Co
58.93
28
Ni
58 .69
29
Cu
63 .55
30
Zn
65 .39
31
Ga
69 .72
32
Ge
72.59
33
As
74.92
34
Se
78. 96
35
Br
79.9
36
Kr...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 4 pdf
... C
O
O
-
CHH
C
O
O
-
CHH
CO
-
O
CC
O
O
-
CHH
C
O
O
-
CH
CO
-
O
H
HO
C
C
CO
-
O
HH
O
O
-
O
C
HHC
Citrate Isocitrate α-Ketoglutarate
C
C
S
HH
O
O
-
O
C
HHC
CoA
CHH
O
-
O
C
HHC
C
O
O
-
C
O
-
O
C
C
C
O
O
-
H
H
C
O
-
O
C
C
C
O
O
-
H
HH
OH
C
O
-
O
C
C
C
O
O
-
O
HH
Oxaloacetate Malate Fumarate ... with acetyl-CoA from glycolysis to s...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 7 pptx
... benzo(a)pyrene 7, 8-
diol-9,10-epoxide.
Benzo(a)pyrene
{O}, epoxidation
O
Benzo(a)pyrene
7,8-epoxide
+ H
2
O, epoxide
hydrolase
HO
HO
Benzo(a)pyrene
7,8-diol
benzo(a)pyrene
7,8-diol-9,10-epoxide
HO
HO
O
{O}, ... DNA
N
C
N
C
C
C
N
N
CH
H
O
H
2
N
N
C
N
C
C
C
N
N
CH
H
O
H
2
N
CH
3
CH
3
Dimethylnitros- 3,3-Dimethyl- 1- 1,2-Dimethylhydra- Methylmethane-
ONN
CH
3
CH
3
NN
HH
H
3
CCH
3
CH
3
S
O...
TOXICOLOGICAL CHEMISTRY AND BIOCHEMISTRY - CHAPTER 8 doc
... facile detection of
β
-galactosidase activity. This
is accomplished with the chromogenic substrate 5-bromo-4-chloro-3-indoyl-
β
-D-galactopyrano-
side, which is metabolized by
β
-galactosidase to ... Zetterqulist, H., and Olerup, O., HLA-DR, -DQ, and -DP alleles in nickel, chromium
and/ or cobalt-sensitive individuals: genomic analysis based on restriction fragment length polymor-
phis...
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