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18172 documents, page 1 of 1818

The Evaluations Before the Cochlear Implant Operation and its Programming in Children

The disastrous effects of Hearing loss on speech and language development can be minimized by early interventions. Profoundly deaf or hard of hearing children not benefitting enough from other kinds of hearing aids are referred for surgically implanted electronic cochlear implant that provides a sense of sound or comprehension of speech. Evaluation and management of pediatric patients is performed by cochlear implant team which consists of different specialists and doctors. Selecting children...

Effect of Cyclooxygenase-2 inhibition on rigidity of animal model of Parkinson's disease

"nBackground: Parkinson's disease (PD) is a degenerative neurodopaminergic disease in nigrostriatum pathway of animals and human, the resultant loss of nerve terminals accompanied by dopamine-glutamate and other related neurotransmitters-imbalances in this pathway are responsible for most of the movement abnormalities. Increasing evidence suggests that an inflammatory reaction accompanies the pathological processes caused by Cyclooxygenase-2 (COX-2) seen in many neurodegenerative di...

Effect of Ascorbic Acid, CaCl2, and Hydrogen Peroxide on Mushrooms (Agaricus bisporus) Shelf Life

Mushrooms are characterized by a very short shelf life and browning, weight-loss and microbial infections are known as the most deteriorating postharvest modifications in the mushrooms, leading to notable economic losses. In this study, the effects of some postharvest treatments including calcium chloride (0.30 and 0.45%), ascorbic acid (1, 2 and 3 mM) and hydrogen peroxide (1%) on increasing mushroom shelf life were evaluated. Mushrooms were dipped in the solution treatments for 2 min, then ...

An Evaluation of the Quality of Teaching

Introduction: It has been a decade since the course “Community Oral Health” has been revised. The aim of this study was to evaluate how the course of community oral health is being taught in the undergraduate program of dental schools in Iran after a decade of revisions.Materials & Methods: In spring 2010, dental schools have been requested to report how the course of community oral health is being taught in terms of content and format, number of credits and the distribution of the credits al...

In Vitro Maturation and Fertilization of Cryopreserved Germinal Vesicle Stage Oocytes in NMRI Mice, Using Ethylene Glycol and DMSO

Background & Aim: Cryopreservation of oocytes is an essential part of reproductive biotechnology. The objective of the present study was to investigate the effects of exposure to combination of cryoprotectants and vitrification on immature mouse oocytes with or without cumulus cells. Methods: This was an experimental study conducted at Yasouj University of Medical Sciences in 2010. Immature oocytes with and without cumulus cells were isolated from ovaries of mice 4-6 weeks of age. They we...

The Study of the Effectiveness of Life Skills Training on Reduction of Tendency to Drug Abuse among High School Boy Students

Aims: with consideration of the effect of different structural and non-structural elements in narcotic substance abusing, in this research has been tried to achieve local recognition of non-structural effective factors and survey the effectiveness rate of its preventing trainings. Methods: recent article is the result of a surveying with preventing function which has been done in two parts. The first part was survey study, and second part was semi experimental. By clustering random sampling, ...

Population data on D6S2879 and D6S2806 markers located at HLA-DRB1 region in the Iranians: Identifying the signatures of balancing and directional selection

In this study, the genetic diversity and neutrality test for the MHC microsatellite loci, D6S2879 and D6S2806, located within the HLA-DRB1 gene region, were investigated. The genotyping data from 73 unrelated individuals were analyzed for Shannon index, the effective allele number of the markers and neutrality test by use of PyPop and Popgene32 programs. The Shannon index for D6S2879 and D6S2806 markers in the studied population was 1.0372 and 0.8601, respectively. The Fnd value computed for ...

The taxonomic importance of leaf epidermis morphology and peduncle anatomy in Trigonella disperma Bornm. ex Vassilcz.

In this research, anatomical characteristics of peduncle and of epidermis in eight populations of Trigonella disperma in Iran were studied. Various anatomical characters were compared such as number of collenchyma, parenchyma, sclerenchyma fiber layers, and number of vascular bundles, density and size of stomata in adaxial and abaxial surfaces of leaflet, stomata type and epidermal cell shape. A variety of noticeable anatomical features were seen in the studied populations. Obtained results w...

Etiology and Clinical Investigation of Nosocomial Infections at Ardabil Bou-Ali Hospital during 2010

Background & Objectives: Nosocomial infections occur following admission of patients in the hospitals and usually are accompanied by significant mortalities. This study was conducted to determine the frequency of nosocomial infections and the causatives in Ardabil Bu Ali hospital during 2010.   Methods: This study was a cross-sectional study which has been done on collection of information through practical examinations, laboratory tests and files of nosocomillay infected patients in Ardabil ...

Prevalence and Risk Factors of Consanguineous Marriage

Background and objectives: Consanguineous marriage is a global health problem with several health-related and social adverse outcomes. The aim of this study was identifying the prevalence and epidemiologic features of consanguineous marriage. Material and Methods: This case-control study was carried out at the premarital advisory centers in Tabriz city in the North-West of Iran. The participants consisted of 1532 subjects (766 couples) with166 couples as the case group. Results: The on...