the aim of the present study was to develop a tissue-engineering approach through alginate gel molding to mimic cartilage tissue in a three-dimensional culture system. the perfusion biomimetic bioreactor was designed to mimic natural joint. the shear stresses exerting on the bioreactor chamber were calculated by computational fluid dynamic (cfd). several alginate/bovine chondrocyte constructs w...

heterotopic pancreas is an uncommon developmental anomaly of upper gastrointestinal tract. heterotopic pancreas tissue is very rarely found in ileum. intussusception in children is usually idiopathic, but definitive aetiology can be established in 90% of adult cases. we are reporting a case of pancreatic heterotopia presenting as a lead point of ileo-ileal intussusception in a 1year 3month year...

given the importance of potato in the economy and people’s nutrition, as well as planting of disease-free seeds, it seems necessary to produce healthy seeds through tissue culture. this study was conducted during 2012-2013 at the research center of agricultural university of tajikistan aiming to evaluate the effect of different sizes of mini-tuber on yield and yield components of potato crop. a...

background: regular aerobic exercise improves the background: regular aerobic exercise improves the inflammatory status in different lung diseases. however, the effects of long-term aerobic exercise on the lung response have not been investigated. the present study evaluated the effect of aerobic exercise on the lung inflammatory. m aterials and methods: 12 adult male wistar rats were divided t...

brain injury has a multiple pathophysiology for which there is no definite treatment. in this regard, tissue engineering is one of the probable strategies for repair of damaged tissue. but creating a proper model for testing the engineered products faced some difficulties, specially, when we want to evaluate the effects of a product on the volume of injury. the current brain injury methods coul...

stem cells are of great interest for regenerating disturbed tissues and organs. these cells are commonly isolated from the bone marrow, but there has been interest in other tissues in the recent years. in this study, we evaluated the possibility of isolation of stem cells from oral connective tissue and investigated their characteristics.in this experimental study, sampling from the bone marrow...

introduction: lasers have made tremendous progress in the field of dentistry and have turned out to be crucial in oral surgery as collateral approach for soft tissue surgery. this rapid progress can be attributed to the fact that lasers allow efficient execution of soft tissue procedures with excellent hemostasis and field visibility. when matched to scalpel, electrocautery or high frequency de...

aligned and random nanocomposite nanofibrous scaffolds were electrospun from polycaprolactone (pcl), poly (vinyl alcohol) (pva) and hydroxyapatite nanoparticles (nha). the morphology and mechanical characteristics of the nanofibers were evaluated using scanning electron microscopy and tensile testing, respectively. scanning electron microscopy revealed fibers with an average diameter of 123 ± 3...

introduction: parasitic diseases could be one of the common problems of human society in any time in every place. the animals can passed this infection to human as zoonotic disease. cats are one of the most important animals that living and eating long with human in society. therefore feline parasitic zoonosis is threatened human health and cause death and serious disease. for the reason, the p...