568 research outputs found

    Production and purification of polyclonal antibody against bovine immunoglobulins in rabbits

    Get PDF
    Antibodies are important tools in medical researches which have led to many advances in this field. Anti-bovine immunoglobulins and its conjugate with horse radish peroxidase (HRP) is used to diagnosecows’ disease by ELISA or western blotting tests. In this study, the production, purification and horse radish peroxidase (HRP) conjugation of polyclonal IgG against bovine immunoglobulins in rabbits werecarried out. Three 6-month-old New Zealand White rabbits were immunized by bovine immunoglobulins in combination with Freund’s adjuvant. Purified antibody (using ion-exchange chromatography) waslabeled to HRP. Direct enzyme linked immunosorbent assay (ELISA) was used to determine the optimum titer and cross reactivity of HRP conjugated IgG. The purity of various IgG preparations wasabout 98%. The optimum dilution of prepared HRP conjugated IgG was 1:12800. This conjugated IgG has no cross reactivity with sheep and goat immunoglobulins at optimized dilution. This study showedthat ion-exchange chromatography could be an appropriate method for purification of IgG antibodies

    Dynamics of Impurity and Valence Bands in GaMnAs within the Dynamical Mean Field Approximation

    Get PDF
    We calculate the density-of-states and the spectral function of GaMnAs within the dynamical mean-field approximation. Our model includes the competing effects of the strong spin-orbit coupling on the J=3/2 GaAs hole bands and the exchange interaction between the magnetic ions and the itinerant holes. We study the quasi-particle and impurity bands in the paramagnetic and ferromagnetic phases for different values of impurity-hole coupling at the Mn doping of x=0.05. By analyzing the anisotropic angular distribution of the impurity band carriers at T=0, we conclude that the carrier polarization is optimal when the carriers move along the direction parallel to the average magnetization.Comment: 6 pages, 4 figure

    A molecular insight in sport and athletic alpha – actin3 gene in students of Physical Education Faculty and bodybuilders.

    Get PDF
    Alpha – actin3 is gene for athletic performance and sport. Three types of genotypes were identified within the gene: RR homozygous, RX heterozygous, and XX which lacks expression of these fibers. All three genotypes were identified among participants. Distribution of these genotypes was significant them, and it is noticeable that XX genotype was less in numbers than the other genotypes. BMI and BFP were in acceptable limits in athletes, but it was found to increase in control group with age. Two males and one female exhibited odd reading regarding muscle mass and testosterone level which was significantly higher than the others. Genetic analysis of these athletes showed SNPs that altered ORFs reading site, and production of different protein from the gene which affected muscle mass dramatically toward higher density, and triggered higher testosterone level in the body as an exceled response to intensive training. The three of them were found to be of XX genotype. Among athletic participants, physical fitness was high especially with young athletes. Most sprinters were found to be RR and RX genotype, while endurance athletes were of XX genotype. Significant SNPs at actin3 gene determined exceled athletes who were found to comprise less than 1%

    Exploiting unknown dynamics in communications amongst coexisting wireless body area networks

    Full text link
    © 2015 IEEE. In this paper, we propose a prediction algorithm for dynamic channel allocation amongst coexisting Wireless body area networks (WBANs). Variations in channel assignment due to mobility scenarios within each WBAN as well as the movement of WBANs towards each other is investigated. The proposed scheme is further optimized to allocate the optimum transmission time with synchronous and parallel transmissions such that interference is fully avoided. This reduces the number of interfering nodes and leads to better usage of the scarce limitation of resources in these networks, larger network lifetime, higher energy savings and higher throughput. In fact, the aim of this protocol is to mitigate interference along with maintaining minimum power consumption in order to maximize network lifetime and increase the spatial reuse and throughput of each WBAN. Simulation results show that our approach achieves a much higher spatial reuse using the smart spectrum allocation scheme for interference mitigation in collocated WBANs. We conduct extensive simulations for coexistence prediction in different mobility scenarios using the NS-2 simulator. Consequently, we demonstrate the efficiency of the proposed protocol in providing interference-free channel assignments and higher energy savings

    Content Analysis of Articles Published in Iranian Scientific Nursing Journals From 2009 Through 2011

    Get PDF
    Background: Little is known about the features of Iranian nursing journals, specifically the subject areas used in articles, study designs, sampling methods, international collaboration of Iranian nursing scholars, specialty and academic rank of authors, and the most frequently contributing academic institutions in articles. Objectives: The aim of this study was to analyze the content of the articles published in Iranian scientific nursing journals. Materials and Methods: Quantitative content analysis was implemented to study Iranian nursing journals, which were approved by the commission for accreditation and improvement of Iranian medical journals in 2011. Thus, 763 articles from six journals, published from 2009 through 2011, were investigated. Data were extracted from the abstracts and when necessary, from the full-text of articles by visiting the websites of these journals. Descriptive statistics were used to analyze the data. Results: The main subjects of published articles in Iranian scientific nursing journals were consecutively renal dialysis (n = 21), intensive care unit (n = 16), nursing education (n = 15), patient satisfaction (n = 13), quality of life (n = 12), health education (n = 11), patient education (n = 11), pain (n = 10), and education (n = 9). The majority of authors had nursing and midwifery specialty (52.59%) followed by epidemiology/biostatistics specialty (7.72%). Isfahan, Tehran, Shahid Beheshti, Iran, Baqiyatallah, and Urmia universities of medical sciences had consecutively the largest number of publications in the studied journals. Only three papers (0.39%) were published by the international collaboration. Conclusions: Iranian nursing journals should publish special issues in the neglected subject areas. These journals should encourage authors to publish research evidence with higher quality

    Methodology framework for prioritisation of renewable energy sources in port areas

    Get PDF
    Ports play a crucial role in increasing the decarbonisation of urban environments to mitigate the environmental impacts of maritime transport and promote sustainable intermodal mobility. Various efforts have been made to increase energy self-sufficiency using renewable energy sources (RESs) in different ports worldwide. However, the ports played an essential role in the pollution process of the nearest cities due to the short distance and merging with urban areas. In this case, solar and wind were measured using the Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) data of four Lazio province ports. Each RES was evaluated using 10 years of monthly data for mapping and 1 year of hourly data for potential assessment and energy converters installation. Furthermore, the time series method has been considered to design and develop better management of RESs for decision making monitoring the energy needs of ports. This time series method has been applied to the generated energy source based on various parameters of the RESs used in port

    Investigating Smart City Development Based on Green Buildings, Electrical Vehicles and Feasible Indicators

    Get PDF
    With a goal of achieving net-zero emissions by developing Smart Cities (SCs) and industrial decarbonization, there is a growing desire to decarbonize the renewable energy sector by accelerating green buildings (GBs) construction, electric vehicles (EVs), and ensuring long-term stability, with the expectation that emissions will need to be reduced by at least two thirds by 2035 and by at least 90% by 2050. Implementing GBs in urban areas and encouraging the use of EVs are cornerstones of transition towards SCs, and practical actions that governments can consider to help with improving the environment and develop SCs. This paper investigates different aspects of smart cities development and introduces new feasible indicators related to GBs and EVs in designing SCs, presenting existing barriers to smart cities development, and solutions to overcome them. The results demonstrate that feasible and achievable policies such as the development of the zero-energy, attention to design parameters, implementation of effective indicators for GBs and EVs, implementing strategies to reduce the cost of production of EVs whilst maintaining good quality standards, load management, and integrating EVs successfully into the electricity system, are important in smart cities development. Therefore, strategies to governments should consider the full dynamics and potential of socio-economic and climate change by implementing new energy policies on increasing investment in EVs, and GBs development by considering energy, energy, techno-economic, and environmental benefits
    • …
    corecore