In the present study,some parameters (the amount ofthe strain culture,the concentration of the ONPG solutiontemperature and the pH of B-buffer) on the SOS chrom
Litchi radiated by gamma-ray could keep fresh.In order toevaluate the toxicity,we took the acute toxicity test and threemutagenesis test.The dose of radiation o
Some natural or synthesized chemical have mutageniceffects on human or animal cells,which can resultin teratogensis,tumors and genetic disorders.Thereare many s
Decoction of Viola odorata,an Indian medicinalplant (varnacular ’Banafshah’),is used asan expectorant.Studies were intended to knowthe effect of this decoctio