heavy metal pollution is a worldwide problem with serious environmental consequences. the objective of the present experiment was to investigate whether arginine as nitric oxide precursor and or polyamines substrate can decrease the destructive effects of oxidative stress induced by nickel contamination in hyoscyamus niger plant. in this study the effects of arginine pretreatment on alkaloid co...

Nested certificates are used to certify their subject certificates. In this way, the subject certificates can be verified via their nested certificates without using signature verification methods based on public key cryptosystems. Such a verification method is called as subject certificate verification. In this paper, subject certificate verification method will be introduced. It will be shown...