نتایج جستجو برای: linked

تعداد نتایج: 235804  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم پایه 1391

سلول های سرطانی در نتیجه تقسیم خارج از کنترل ایجاد می شوند، به سرعت رشد کرده متاستاز نموده و بافت های بسیاری را در گیر می کنند. آنتی ژن های سطحی در سلول های سرطانی دچار تغییر می شوند که به شناسایی آنها توسط سلول های ایمنی کمک می کند. از آن جایی که یکی از مهم ترین علل مرگ و میر در جوامع بشری سرطان می باشد، شناسایی و از بین بردن سلول های سرطانی از مهم ترین دغدغه های فکری می باشد. به طور کلی عصار...

Journal: :iranian journal of allergy, asthma and immunology 0
bahram mir saeid ghazi asghar aghamohammadi ali kouhi abolhassan farhoudi mostafa moin nima rezaei

primary immunodeficiencies (pid) are a group of disorders, characterized by an unusual susceptibility to infections. delay in diagnosis results in increased morbidity and mortality in affected patients. the purpose of this study was to determine the mortality rate of iranian immunodeficient patients referred to children medical center hospital affiliated to tehran university of medical sciences...

Journal: :iranian journal of allergy, asthma and immunology 0
behzad hooshm alireza monsef mohammad amirmadglesi mani kashani

the aim of this study was to evaluate an enzyme - linked immunosorbent assay (elisa) for the detection of anti - helicobacter pylori (h. pylori) specific igg antibodies in specimens of oral fluid. all subjects over the age 18 years undergoing endoscopy for any reason were asked to participate in the study. two groups of 44 patients in each were selected as hp+ and hp-. at the same time, 5 milli...

Journal: :iranian red crescent medical journal 0
safar ali alizadeh department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran seyyed saeed eshraghi department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran; department of pathobiology, tehran university of medical sciences, poursina st., tehran, ir iran. tel: +98-2188994823 mohammad reza pourmand department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran taghi naserpour department of microbiology, molecular research center, qazvin university of medical sciences, qazvin, ir iran gholamreza abdollahpour faculty of veterinary medicine, university of tehran, tehran, ir iran abbas rahimiforoshani department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, ir iran

background: timely diagnosis of leptospirosis is essential for early and effective treatment, for there are many differential diagnoses for it.. leptospiral researchers have an increasing interest in developing new serological methods with recombinant antigens to improve the leptospirosis diagnosis. several serological tests have been developed for the proper diagnosis of leptospirosis. objecti...

Journal: :journal of dentistry, tehran university of medical sciences 0
afshin khorsand mojtaba bayani siamak yaghobee sepehr torabi mohammad javad kharrazifard fatemeh mohammadnejhad

objectives: leptin is a hormone-like protein produced by the adipose tissue. it plays an important role in protection of host against inflammation and infection. some studies have reported changes in leptin levels in the gingival crevicular fluid (gcf), saliva and blood serum of patients with periodontal disease compared to healthy individuals. the aim of the present study was to compare the sa...

Journal: :international journal of reproductive biomedicine 0
sahar shekouhi fatemeh baghbani mohammad hasanzadeh nazar-abadi tayebeh hamzehloie mohammad reza abbaszadegan nafiseh saghafi

background:   objective: in this study we performed linkage analysis on a large x linked rsa pedigree to find a novel susceptibility locus for rsa.   materials and methods: a linkage scan using 11 microsatellites was performed in 27 members of a large pedigree of hereditary x-linked rsa. two point parametric linkage was performed using superlink v 1.6 program. results: evidence of linkage was o...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...

Journal: :genetics in the 3rd millennium 0
یوسف شفقتی

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Journal: :archives of clinical infectious diseases 0
nariman shah-hosseini islamic azad university, lahijan branch, faculty of science, department of microbiology, lahijan, ir iran; islamic azad university, lahijan branch, faculty of science, department of microbiology, lahijan, ir iran. tel.: +98-1412229081, fax: +98-1412229081 alireza khabiri pasteur institute of iran, department of mycology, tehran, ir iran farideh bagheri pasteur institute of iran, department of mycology, tehran, ir iran hashem yazdi pasteur institute of iran, department of mycology, tehran, ir iran nima farajianfar pasteur institute of iran, department of mycology, tehran, ir iran

conclusions: it was concluded that the elisa is a suitable method for large scale screening of antibodies against aspergilloma. the easy techniques have shortened the required time of tests (approximately 1.30 hours for our elisa, as opposed to 2.30 hours with commercial elisa kit). this may be a substantial benefit for large numbers of samples that should be tested. materials and methods: an i...

Journal: :jundishapur journal of microbiology 0
alireza ostadrahimi nutritional research center, faculty of nutrition, tabriz university of medical sciences, tabriz, ir iran fereshteh ashrafnejad liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran abdolhassan kazemi liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran; liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran. tel: +98-9149164494, fax: +98-4113346951 nafiseh sargheini department of biochemistry and nutrition, faculty of nutrition, tabriz university of medical sciences, tabriz, ir iran reza mahdavi liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran mohammadreza farshchian department of health of environment, tabriz university of medical sciences, tabriz, ir iran

background: nuts are one of the main consumed snacks worldwide and also have an important role among iranian's food habits. natural contamination of nuts with aflatoxin is unavoidable and causes a special challenge for nuts safety and quality. objectives: the purpose of this research was to study the aflatoxin contamination in commercially-available nuts (pistachio, walnut and peanut) in the ma...

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