during last two decades, polysaccharides such as alginate (alg) alone and in combination with other biopolymers are widely used in vaccine and drug delivery systems. the aim of the present work was to investigate the potential utility of microparticles made of alginate (alg) as new vehicles for improving nasal vaccine delivery. for this purpose, diphtheria toxoid (dt) was chosen as a model anti...

introduction: infertility is a major problem in today´s medicine. infertility is known a health indicator and the right to infertility treatment is part of millennium development goal. the present study aimed to determine the risk factors of infertility, in women referred to both public and private health centers in ilam. materials and methods: a cross-sectional study was carried out among wome...

to prospect mineral deposits at regional scale, recognition and classification of hydrothermal alteration zones using remote sensing data is a popular strategy. due to the large number of spectral bands, classification of the hyperspectral data may be negatively affected by the hughes phenomenon. a practical way to handle the hughes problem is preparing a lot of training samples until the size ...

leadership is in fact a process of influencing followers. characteristics of leadership are functions of time and situation and differ in different cultures and countries. managers of international organizations should obtain enough knowledge of these cultural characteristics and differences and should have the utmost versatility while executing their leadership tasks. in this paper we have con...

purpose: this study wants to find any relationship between the numbers of purchase and the income the customer brings to the company. the attempt is to find those customers who buy more than one life insurance policy and represent the signs of good payments at the same time by the help of data mining tools. design/ methodology/ approach: the approach of this research is to use data mining tools...

since the change of land use accrued in the iran, especially in northern iran, this research aims tocompare the spatial variability of soil properties in three adjacent land uses including cultivated by wheat lands, grazing lands and forest lands covered by juniperus sp,  fagus orientalis, quercus castanifolia, and acer velotinum species in kiasar region, mazandaran province, northern iran. som...

conclusions the study showed that hais were more frequent in elderly population predominately with respect to vap and infections by gram-negative pathogens. overall mortally was greater in the elderly group although the odds ratio for death was higher in younger patients and increased with every hai diagnosed. patients and methods retrospective analysis of all hospital-acquired infections (hais...

the aim of this study was to develop an extended-release tablet formulation using a new in situ cross-linking method. the effects of polyvalent cations on theophylline release from tablets made with the polyanionic polymers sodium alginate and sodium carboxymethylcellulose, were investigated. different miliequivalents of the di and tri-valent cation, ca2+ and al3+, were added to tablet formulat...