208 resultados para Descobriments científics


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This article summarizes the new trends of Optical Microscopy applied to Materials, with examples of applications that illustrate the capabilities of thetechnique.

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Atomic Force Microscope and related techniques have played a key role in the development of the nanotechnology revolution that is taking place in science. This paper reviews the basic principles behind the technique and its different operation modes and applications, pointing out research worksperformed in the Nanometric Techniques Unit of the CCiTUB in order to exemplify the vast array of capabilities of these instruments.

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This article summarizes the basic principles of Paleomagnetism, with examples of applications in geology that illustrate the capabilities of the technique.

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This article summarizes the basic principles of scanning electron microscopy and the capabilities of the technique with different examples ofapplications in biomedical and biological research.

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In this article the main possibilities of single crystal and powder diffraction analysis using conventional laboratory x-ray sources are introduced. Several examples of applications with different solid samples and in different fields of applications are shown illustrating the multidisciplinary capabilities of both techniques.

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This article outlines the basis of the technique and shows some examples of applications in order to exhibit the expectations of this technique invaried scientific fields.

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This Handbook contains a collection of articles describing instrumental techniques used for Materials, Chemical and Biosciences research that are available at the Scientific and Technological Centers of theUniversity of Barcelona (CCiTUB). The CCiTUB are a group of facilities of the UB that provide both the research community and industry with ready access to a wide range of major instrumentation.Together with the latest equipment and technology, the CCiTUB provide expertise in addressing the methodological research needs of the user community and they also collaborate in R+D+i Projectswith industry. CCiTUB specialists include technical and Ph.D.-level professional staff members who are actively engaged in methodological research. Detailed information on the centers’ resources andactivities can be found at the CCiTUB website www.ccit.ub.edu ...

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This article summarizes the basic principles of light microscopy, with examples of applications in biomedicine that illustrate the capabilities of thetechnique.

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Bionformatics is a rapidly evolving research field dedicated toanalyzing and managing biological data with computational resources. This paperaims to overview some of the processes and applications currently implementedat CCiT-UB¿s Bioinformatics Unit, focusing mainly on the areas of Genomics,Transcriptomics and Proteomics

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The fundamentals of Real-time Polymerase Chain Reaction,Automated capillary electrophoresis -Sanger sequencing and Fragmentanalysis- and "Next-generation" sequencing are reviewed. An overview ofapplications is presented using our own examples carried out in our facility.

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In the past 5 years "Next-generation" Sequencing (NGS) technologies have transformed genomics by delivering fast, inexpensive and accurate genomeinformation changing the way we think about scientific approaches in basic,applied and clinical research. The inexpensive production of large volumes ofsequence data is the main advantage over the automated Sanger method,making this new technology useful for many applications. In this chapter, a brieftechnical review of NGS technologies is given, along with the keys to NGSsuccess and a broad range of applications for NGS technologies.

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The study of proteins has been a key element in biomedicine and biotechnology because of their important role in cell functions or enzymatic activity. Cells are the basic unit of living organisms, which are governed by a vast range of chemical reactions. These chemical reactions must be highly regulatedin order to achieve homeostasis. Proteins are polymeric molecules that havetaken on the evolutionary process the role, along with other factors, of controlthese chemical reactions. Learning how proteins interact and control their up anddown regulations can teach us how living cells regulate their functions, as well asthe cause of certain anomalies that occur in different diseases where proteins areinvolved. Mass spectrometry (MS) is an analytical widely used technique to studythe protein content inside the cells as a biomarker point, which describesdysfunctions in diseases and increases knowledge of how proteins are working.All the methodologies involved in these descriptions are integrated in the fieldcalled Proteomics.

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Flow cytometry has become a valuable tool in cell biology. By analyzing large number of cells individually using light-scatter and fluorescence measurements, this technique reveals both cellular characteristics and the levels of cellular components. Flow cytometry has been developed to rapidly enumerate cells and to distinguish among different cell stages and structures using multiple staining. In addition to high-speed multiparametric data acquisition, analysis and cell sorting, which allow other characteristics of individual cells to be studied, have increased the interest of researchers in this technique. This chapter gives an overview of the principles of flow cytometry and examples of the application ofthe technique.

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Aquest projecte ha estat impulsat per l’Observatori de la Divulgació de la Ciència (ODC) de la UAB i dut a terme a l’Institut de Ciència i Tecnologia Ambientals (ICTA). Està emmarcat dins el marc del nou Programa Europeu Horizon 2020 i més específicament dels conceptes establerts per la RRI. L’objectiu d’aquest projecte és analitzar la comunicació científica que duu a terme l’ICTA cap a al societat i conèixer la filosofia, els incentius i la motivació de l’ICTA i els seus investigadors per donar a conèixer la seva recerca a la ciutadania. L’anàlisi de la comunicació de l’ICTA consta d’un anàlisi del contingut de la pàgina web del centre de recerca, una entrevista feta a la directora de l’institut i un qüestionari realitzat a 14 investigadors Les formes de comunicació que més utilitzen són els articles científics en revistes dirigides a públic acadèmic. Respecte la comunicació no acadèmica, s’ha pogut observar que la majoria dels investigadors, tot i la manca de facilitats realitzaven activitats per interès personal, molts cops però, no comuniquen la seva recerca, principalment perquè tenen altres tasques de docència, de recerca i gestió per atendre. Hi ha una minoria que es refereix a la comunicació científica com un “estil essencialment vocacional”. Per tal d’impulsar i promoure una estratègia contínua i efectiva de comunicació científica cal definir un pla de comunicació a nivell institucional que contribueixi a millorar les capacitats divulgatives, comunicatives i educatives de l’ICTA per tal d’ajudar a les persones que hi fan recerca a apropar la seva tasca a la societat a la que pertanyen.

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El propòsit d’aquest estudi és fer un anàlisi de la importància de l’educació emocional en el desenvolupament social i cognitiu dels alumnes d’educació primària. Per això, en primer lloc es presenta un marc teòric basat en les aportacions i els descobriments de diferents autors sobre diversos aspectes relacionats amb les emocions. En segon lloc, es presenta un estudi de cas, fet a una aula de cinquè de primària, que mostra quin tractament es fa de les emocions a l’aula i com aquest influeix en diferents aspectes com les relacions socials i l’aprenentatge. Per últim, es fa un anàlisi de les dades recollides en aquest estudi i se’n mostren els resultats, a partir dels quals es va considerar fer una possible proposta de millora que es presenta al final.