recombinant protein production in e. coli has several advantages over other expression systems. misfolding, inclusion body formation, and lack of eukaryotic post translational modification are the most disadvantages of this system. exporting of correctly folded proteins to the outside of reductive cytoplasmic environment through twin-arginine system could help to pass these limiting steps. two ...

moghul's invasion of iran led to the spread of insecurity, destruction of civil infrastructure and religious-ideological vacuum caused by the toppling of the kingdom. this not only improved the status of sufism as the center of attention for the common people to avoid the governors' tyranny but also made the faraway areas an ideal place for the cultural elites. given the above, yazd w...

introducing ahmed khidroya, a sufi from balkh in the 3rd century (ah.), is the aim of present essay. so the author provides information about his name and family, hometown, date of death, works and companions, using old sources in historical analysis method.