introduction: adequate root canal seal following retreatment is essential for a successful outcome. resilon/epiphany (r/e) obturation system has been introduced as a substitute for conventional gutta-percha/sealer method. this in vitro study compared the amount of apical microleakage of r/e with gutta-percha/ah26 (gp/ah26) sealer as secondary root canal filling following retreatment in human te...

conclusions the results of this meta-analysis show that colloid fluids can increase the successful resuscitation rate compared to crystalloid fluids especially in traumatic and hypovolemic patients.some of the colloids like albumin and dextran have a positive effect on reducing the mortality rate but others like hetastarch (hes) increase the mortality rate compared to normal saline (ns). result...

By exposing to NaClO aqueous solution (commercial bleach), NiBr2 is transformed quantitatively into an insoluble nickel oxide hydroxide species. This compound contains large surface area and is a beneficial heterogeneous catalyst for oxidizing numerous organic materials. The oxidation of aldehydes and primary alcohols to carboxylic acids and secondary alcohols to ketones is showed wi...

this paper tries to evaluate the nature of open market operation in the conventional banking system and to compare the usage of government securities and central bank securities for conducting this operation. in addition, the experience of the iranian central bank in using central bank musharakah certificates is reviewed. the main results of the paper, derived from an analytical- descriptive ap...

BACKGROUND The objective of this study was to describe the outcomes of an algorithmic approach to cranial reconstruction following the removal of an infected synthetic dura mater substitute due to postcraniotomy infection. METHODS A retrospective review was conducted of the cases of 12 patients who underwent cranial reconstruction from 2006 to 2013 after the removal of an infected expanded po...

Hemosol has been one of the pioneering leaders working since 1985 in an effort to bring to market a human hemoglobin based oxygen therapeutic which would serve several important clinical needs. Hemosol welcomes the publication of this most current Guidance document as a timely response to many major developments in this field in the past near-decade. Below Hemosol first offers some general comm...

H S Mohamud1*, E AlGhamdi1, A F Alhetheel2, F M AlMajid3, A H Ahmed4, A M Somily2 and D H Mohamed2 1Transfusion Microbiology Department, King Khalid University Hospital Blood Bank, Riyadh, Saudi Arabia 2Pathology/Microbiology Division, College of Medicine, King Saud University, Riyadh, Saudi Arabia 3Infectious Diseases Division, College of Medicine, King Saud University, Riyadh, Saudi Arabia 4F...