tuberculosis is an infectious disease caused by mycobacterium tuberculosis and is the primary cause of mortality in the world. m. tuberculosis strains are important intracellular pathogens causing infection in oxygen-rich macrophages in the lungs. the emergence of aids, declined socioeconomic standards and a lessened emphasis on tb control programs have contributed to the disease resurgence. re...

objective(s): in this study, drug loaded electrospun nanofibrous mats were prepared and drug release and mechanism from prepared nanofibers were investigated.  materials and methods: paclitaxel (ptx) loaded polylactic acid (pla) nanofibers were prepared by electrospinning. the effects of process parameters, such as ptx concentration, tip to collector distance, voltage, temperature and flow rate...

background: nowadays, nosocomial infection with multidrug-resistant acinetobacter is an important problem in the world, which is facing wide spectrum antibiotics and hence has become resistant. m aterials and methods: in this study, positive cultures of acinetobacter from one hundred clinical samples in seven hospitals from tehran during 2012-2013 were collected for checking antibiotic suscepti...

introduction cephalic tetanus is a rare form of tetanus, defined as trismus and cranial nerve palsy. it has a mortality rate of 15 - 30%. case presentation the purpose of this case report was to present a case of cephalic tetanus with trismus, a rare form of tetanus, in an intravenous drug abuser. timely diagnosis and management prevented progression into the generalized form and made the patie...

although the conventional therapies have obviously improved the conditions of patients with cancer, some mechanisms of resistance have led scientists to use alternative agents that can penetrate in most solid tumors. furthermore, the success of cancer therapies depends on limiting the uptake of toxins to normal tissues and their selectivity to malignant cells. the involvement of natural and gen...

having conducted fundamental projects, scientists have expressed their hope to develop the use of carbon nanotubes to release drugs. it is important to release drugs in cell without damaging healthy cells of tissues under study. researchers have shown the fact that nanotubes can perform this function perfectly. to this objective, in the present study the interactions between four anti-cancer dr...