background: cross-contamination between cells is a usual mistake at cell culture laboratories and cell banks worldwide. mrc5 diploid cell and rk-13, vero and hela continuous cell lines are used in different stages of human viral vaccines propagation at razi vaccine and serum research institute of iran. however diploid and continuous cells are propagated at separated cell culture laboratory and ...

N enzymes use a variety of cofactors for achieving their impressive catalytic prowess. Generally, these cofactors are generated via complex multistep biosynthetic pathways involving many proteins. A less commonly encountered means of cofactor biosynthesis, but one that is found with increasing frequency, involves the posttranslational modification of endogenous amino acids in the enzyme. These ...

Electrocutions deaths are mostly accidental, suicidal electrocutions are rarely reported. The records of Forensic Medicine Council of Turkey Bursa Morgue Department reveal second case of suicidal electrocution during the past 20 years. The presented case was a 61 year old man, found by his wife at his home bedroom, using a homemade suicidal electrocution device with bare copper wires. The mecha...