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Treatment with sodium azide: For chemical mutagenesis a chemical mutagen sodium azide was used.
Chemical treatment: Sodium azide (NaN3) of 10, 20, 30, 40 and 50 mM concentrations were freshly prepared in different beakers.
Three of each group of nine samples had been moistened with a solution of sodium azide to give a final concentration of 100 mg/kg on an oven-dry soil basis, and to the other six samples of soil A, 200 mg/kg of Mn as MnS[O.
Azido alkylamines can be obtained from the reaction of bromo alkylamine hydroboride with sodium azide or from a similar reaction with N-phthalimido bromo alkylamine followed by amine deprotection with hydrazine (Figure 28).
Azidation of PCEMA was run using sodium azide (Na [N.
However, no inhibition occurred using thiourea and sodium azide.
In this study, distilled water was used as a negative control and 300mM aqueous sodium azide (Merck) as a positive control mutagen.
A university spokesman said a member of staff had dropped a 200ml bottle containing a weak solution of sodium azide, commonly used as an anti-bacterial agent.
Azide functional polymers have been synthesized by the reaction of bromine-end functional polymers obtained from ATRP with sodium azide (Na[N.
Sodium azide is a known potent mutagen although it fails to induce chromosomal aberrations in human lymphocytes (Arenaz and Nilan, 1981; Slamenova and Gabelova, 1980; Nilan et al.
In the present work, compound naphthaquinone diazide (2), which is required as starting material was obtained in an one-pot reaction by condensing dichloronaphthoquinone (1) with sodium azide in the presence of methanol.