Implementación de un receptor simple GSM mediante plataforma Software Defined Radio

Este trabajo consiste en la implementación de un sistema receptor-transmisor básico, basado en las estaciones base del estándar GSM. La implementación se desarrolla sobre una plataforma Sofware Defined Radio (SDR) haciendo uso de los transceptores de National Instruments USRP-2920 y del software LabVIEW. Se presenta un receptor capaz de recibir la señal emitida por una estación móvil, de manera constante y estable, y de detectar ciertas secuencias de bits tras demodular los datos recibidos. La detección de estas secuencias de bits activa la transmisión de tramas GSM desde el transceptor USRP, en respuesta a la estación móvil.Ingeniería de Sistemas de Comunicacione

Проблематика научных исследований И.Г. Спасского

У статті розглянуто широке коло наукових інтересів відомого радянського вченого І.Г. Спасського у російській нумізматиці – від староруських монет Х ст. й українських дукачів, якими він почав займатися ще в студентські роки, до російських і радянських монет першої половини ХХ ст. та західноєвропейських єфимків з російським надкарбуванням періоду Олексія Михайловича.В статье рассмотрен широкий круг научных интересов крупнейшего советского ученого И.Г.Спасского в русской нумизматике – от древнерусских монет Х в. и украинских дукачей, которыми он начал заниматься еще в студенческие годы, до русских и советских монет первой половины ХХ в. и западноевропейских ефимков с русскими надчеканками времени Алексея Михайловича.The wide circle of scientific interests of I.G. Spassky – the famous soviet scientist in Russian numismatics is considered in the article – from the old-russian chinks of 10 century and Ukrainian dukach, which he began to be engaged in as early as student years, to the Russian and soviet chinks of the first half of 20 century and West European yefimks with the Russian supercoinage of period of zar Alexei Michailivich

Pulmonary Delivery of Proteins Using Nanocomposite Microcarriers.

In this study, Taguchi design was used to determine optimal parameters for the preparation of bovine serum albumin (BSA)-loaded nanoparticles (NPs) using a biodegradable polymer poly(glycerol adipate-co-ω-pentadecalactone) (PGA-co-PDL). NPs were prepared, using BSA as a model protein, by the double emulsion evaporation process followed by spray-drying from leucine to form nanocomposite microparticles (NCMPs). The effect of various parameters on NP size and BSA loading were investigated and dendritic cell (DC) uptake and toxicity. NCMPs were examined for their morphology, yield, aerosolisation, in vitro release behaviour and BSA structure. NP size was mainly affected by the polymer mass used and a small particle size ≤500 nm was achieved. High BSA (43.67 ± 2.3 μg/mg) loading was influenced by BSA concentration. The spray-drying process produced NCMPs (50% yield) with a porous corrugated surface, aerodynamic diameter 1.46 ± 141 μm, fine particle dose 45.0 ± 4.7 μg and fine particle fraction 78.57 ± 0.1%, and a cumulative BSA release of 38.77 ± 3.0% after 48 h. The primary and secondary structures were maintained as shown by sodium dodecyl sulphate poly (acrylamide) gel electrophoresis and circular dichroism. Effective uptake of NPs was seen in DCs with >85% cell viability at 5 mg/mL concentration after 4 h. These results indicate the optimal process parameters for the preparation of protein-loaded PGA-co-PDL NCMPs suitable for inhalation. © 2015 Wiley Periodicals, Inc. and the American Pharmacists Association J Pharm Sci

Microneedles: A New Frontier in Nanomedicine Delivery

This review aims to concisely chart the development of two individual research fields, namely nanomedicines, with specific emphasis on nanoparticles (NP) and microparticles (MP), and microneedle (MN) technologies, which have, in the recent past, been exploited in combinatorial approaches for the efficient delivery of a variety of medicinal agents across the skin. This is an emerging and exciting area of pharmaceutical sciences research within the remit of transdermal drug delivery and as such will undoubtedly continue to grow with the emergence of new formulation and fabrication methodologies for particles and MN. Firstly, the fundamental aspects of skin architecture and structure are outlined, with particular reference to their influence on NP and MP penetration. Following on from this, a variety of different particles are described, as are the diverse range of MN modalities currently under development. The review concludes by highlighting some of the novel delivery systems which have been described in the literature exploiting these two approaches and directs the reader towards emerging uses for nanomedicines in combination with MN

Mobiles phones and economic growth in the Maghreb

Treball Final de Grau en Economia. Codi: EC1049. Curs acadèmic 2015-2016The importance of telecommunications in the global economy is increasing over the years. Economic growth is influenced by the use of mobile phones in both the developed and developing countries. In this study, we examine the effect of mobile phones in economic growth in the Maghreb (Algeria, Tunisia, Libya, Mauritania and Morocco). To do this, we have used panel data model for the period between 2005 to 2014. On the basis of research, we conclude that the impact of mobile telephony in the economic growth of Maghreb is not significant for the period under analyisis

Cómo estimular la motivación en Formación Profesional

Aun con los numerosos cambios legislativos que ha tenido la Formación Profesional (FP) hoy en día sigue siendo bastante predominante encontrar alumnos matriculados que no tienen interés en estos estudios. Gran parte de la sociedad sigue viendo la FP como el itinerario que deben seguir aquellos alumnos que fracasan en el instituto. En la realización de las prácticas del Máster de Formación para el Profesorado en las clases de Formación Profesional se ha decidido realizar una propuesta didáctica en primero de Ciclo Medio. Ha sido la clase más desmotivada de las analizadas, como se indica en el desarrollo del presente Trabajo Fin de Máster. Por ello, es importante analizar los factores que influyen en la motivación de los estudiantes por aprender. No perdiendo de vista la labor indispensable que tiene el docente a la hora de enfocar el proceso de enseñanza-aprendizaje. Tras analizar aspectos de la motivación se indicarán las metas que suelen presentar los estudiantes y algunas ideas a tener en cuenta por los profesores cuando diseñen sus actividades. Para concluir se presenta una actividad motivadora. Se diseña para las primeras semanas del curso al inicio del mismo. De esta forma se pretende que el alumno quede interesado por sus estudios y no los abandone, sino que se involucre en los mismos. ----------ABSTRACT---------- Even with the numerous legislative changes that Vocational Training (VT) has had today, it is still quite predominant to find enrolled students who have no interest in it. A large part of society still sees VT as the itinerary that students who fail in secondary school should follow. The practices of the Master in Secondary School Training where made in the classes of VT. There has decided to realize a didactic proposal in first of Half Cycle. It has been the most unmotivated class of those analyzed, as indicated in the development of the present Final Project. Therefore, it is important to analyze the factors that influence the motivation of students to learn. Not losing sight of the indispensable work that the teacher has when it comes to focusing the teaching-learning process. After analyzing aspects of motivation will indicate the goals that students usually present and some ideas to be taken into account by teachers when designing their activities. To conclude, a motivating activity is presented. It is designed for the first weeks of the course at the beginning of it. In this way it is intended that the student is interested in their studies and not abandon them, but to get involved in them

Cómo estimular la motivación en Formación Profesional

Aun con los numerosos cambios legislativos que ha tenido la Formación Profesional (FP) hoy en día sigue siendo bastante predominante encontrar alumnos matriculados que no tienen interés en estos estudios. Gran parte de la sociedad sigue viendo la FP como el itinerario que deben seguir aquellos alumnos que fracasan en el instituto. En la realización de las prácticas del Máster de Formación para el Profesorado en las clases de Formación Profesional se ha decidido realizar una propuesta didáctica en primero de Ciclo Medio. Ha sido la clase más desmotivada de las analizadas, como se indica en el desarrollo del presente Trabajo Fin de Máster. Por ello, es importante analizar los factores que influyen en la motivación de los estudiantes por aprender. No perdiendo de vista la labor indispensable que tiene el docente a la hora de enfocar el proceso de enseñanza-aprendizaje. Tras analizar aspectos de la motivación se indicarán las metas que suelen presentar los estudiantes y algunas ideas a tener en cuenta por los profesores cuando diseñen sus actividades. Para concluir se presenta una actividad motivadora. Se diseña para las primeras semanas del curso al inicio del mismo. De esta forma se pretende que el alumno quede interesado por sus estudios y no los abandone, sino que se involucre en los mismos. ----------ABSTRACT---------- Even with the numerous legislative changes that Vocational Training (VT) has had today, it is still quite predominant to find enrolled students who have no interest in it. A large part of society still sees VT as the itinerary that students who fail in secondary school should follow. The practices of the Master in Secondary School Training where made in the classes of VT. There has decided to realize a didactic proposal in first of Half Cycle. It has been the most unmotivated class of those analyzed, as indicated in the development of the present Final Project. Therefore, it is important to analyze the factors that influence the motivation of students to learn. Not losing sight of the indispensable work that the teacher has when it comes to focusing the teaching-learning process. After analyzing aspects of motivation will indicate the goals that students usually present and some ideas to be taken into account by teachers when designing their activities. To conclude, a motivating activity is presented. It is designed for the first weeks of the course at the beginning of it. In this way it is intended that the student is interested in their studies and not abandon them, but to get involved in them