By Kenneth L. Kirk
The parts in workforce 17 (VIlA) of the periodic desk of elements-fluorine (F), chlorine (CI), bromine (Br), and iodine (I)-were specific via Berzelius as "halogens" (Greek hals, sea salt; gennao, I beget) due to their propensity to shape salts. during this first of the 2 volumes of Bio chemistry of the Halogens, the biochemistry of the basic halogens and inorganic halides is reviewed. Discovery, houses, and biochemistry of the basic halogens are reviewed first (Chapter 1). this can be by way of a evaluate of the advancements within the quite a few components of inorganic halide biochemistry (Chapters 2 via 5). The biochemistry of thyroid hor mones is taken into account in bankruptcy 6, whereas biohalogenation, an incredible hyperlink among inorganic and natural halogen biochemistry, is reviewed in bankruptcy 7. bankruptcy eight covers the biochemistry of goods produced by way of human-inspired halogenation, particularly, poly halogenated compounds that current environmental difficulties. In bankruptcy nine, the method is reversed and biodehalogenation is reviewed. In each one topic, the try has been made to discover a suitable stability among intensity and breadth of remedy, due to the fact that an intensive, in intensity evaluate of this box wouldn't be attainable in one quantity. to supply readers now not conversant in topics with the mandatory history to put next discussions in standpoint, short historic strengthen ments of the various issues are given.
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Extra resources for Biochemistry of the Elemental Halogens and Inorganic Halides
Meier, J. , Lingg, R. , and Bull, R. , 1983. Formation of mutagens following chlorination of humic acid. A model for mutagen formation during drinking water treatment, Mutat. Res. 118:25-41. Meier, J. , Knohl, R. , Coleman, W. , Ringhand, H. , Munch, J. , Kaylor, W. , Streicher, R. , and Kopfler, F. , 1987. Studies on the potent bacterial mutagen, 3chloro-4-( dichloromethyl )-5-hydroxy-2( 5H)-furanone: Aqueous stability, XAD recovery and analytical determination in drinking water and in chlorinated humic acid solutions, Mutat.
Genotoxic activity of organic chemicals in drinking water, Mutat. Res. 196:211-245. Meier, J. , Lingg, R. , and Bull, R. , 1983. Formation of mutagens following chlorination of humic acid. A model for mutagen formation during drinking water treatment, Mutat. Res. 118:25-41. Meier, J. , Knohl, R. , Coleman, W. , Ringhand, H. , Munch, J. , Kaylor, W. , Streicher, R. , and Kopfler, F. , 1987. Studies on the potent bacterial mutagen, 3chloro-4-( dichloromethyl )-5-hydroxy-2( 5H)-furanone: Aqueous stability, XAD recovery and analytical determination in drinking water and in chlorinated humic acid solutions, Mutat.
The first group includes enzymes requiring metal ions for activation, the inhibition of which by F- requires phosphate (PJ. 5). Other enzymes listed in this limited group include succinic dehydrogenase, phosphoglucomutase, and lecithinase. A large number of enzymes belong to the second of Wiseman's categories-enzymes inhibited by F - which require divalent metal ions, but which do not require Pi. Included in this list are a number of phosphatases that often require magnesium as an activating metal.
Biochemistry of the Elemental Halogens and Inorganic Halides by Kenneth L. Kirk