Identification of 27 Porphyra lines (Rhodophyta) by DNA fingerprinting and molecular markers

Twenty-seven Porphyra lines, including lines widely used in China, wild lines and lines introduced to China from abroad in recent years, were screened by random amplified polymorphic DNA (RAPD) technique with 120 operon primers. From the generated RAPD products, 11 bands that showed stable and repeatable RAPD patterns amplified by OPC-04, OPJ-18 and OPX-06, respectively were scored and used to develop the DNA fingerprints of the 27 Porphyra lines. Moreover, the DNA fingerprinting patterns were converted into computer language expressed with two digitals, 1 and 0, which represented the presence (numbered as 1) or absence (numbered as 0) of the corresponding band, respectively. Based on the above results, computerized DNA fingerprints were constructed in which each of the 27 Porphyra lines has its unique fingerprinting pattern and can be easily distinguished from others. Software named PGI (Porphyra germplasm identification) was designed for identification of the 27 Porphyra lines. In addition, seven specific RAPD markers from seven Porphyra lines were identified and two of them were successfully converted into SCAR (sequence characterized amplification region) markers. The developed DNA fingerprinting and specific molecular markers provide useful ways for the identification, classification and resource protection of the Porphyra lines.

Reception and schooling of children in schools in Catalonia: Beyond Educational Welcome Facilities

The ways of incorporating newcoming students into schools and colleges have been at the center of debate in most OECD countries in recent years. In Spain, the set of measures developed for the reception of immigrant pupils in different Autonomous Communities has also been the subject of specific research, pointing out the similarities and contradictions between pedagogic discourses and school practices. This article takes into account these considerations and presents the reflections from the results of research on the Educational Welcome Facilities (and specifically the EBE) conducted during the school years 2008-2010. This device was created in Catalonia to attend newcomers before enrolling them in the school. It was a pilot project which took place in Vic and Reus for two consecutive years. The research of the EBE has enabled us to explain the relationship between educational assessment that schools made about this facility and reception processes that schools were implementing. The conclusions that emerge from this analysis allowed us to establish relationships between educational host practices of the seven centers analyzed with three different conceptual and educational frameworks of reception.

Pupil participation in school life: an approach from the educational community

The Convention on the Rights of the Child (CRC, 1989) is currently the most ratified international treaty. Several authors have highlighted its potential for both a moral education and citizenship. However, paradoxically, different studies report its limited or occasional incorporation into school practices. This article explores experiences of participation in schools,the third P of the CRC, from the plurality of voices and actors of the educational community,by means of 14 discussion groups in 11 autonomous communities in Spain. Discourse analysis evidence low levels of student participation in school life. But, at the same time, a favorable educational environment for the development of projects that contribute to child participation is found, as well as for the incorporation of the CRC as a mover and a referential integrator of the different schools projects. However, it is also an educational background conductive to projects for its development, such as the incorporation of the CRC as a referential integrator of the schools projects.

Collaborative artistic laboratories. Transfrontier spaces of cultural production

The appearance of the open code paradigm and the demands of social movements have permeated the ways in which today’s cultural institutions are organized. This article analyzes the birth of a new critical and cooperative spatiality and how it is transforming current modes of cultural research and production. It centers on the potential for establishing the new means of cooperation that are being tested in what are defined as collaborative artistic laboratories. These are hybrid spaces of research and creation based on networked and cooperative structures producing a new societal-technical body that forces us to reconsider the traditional organic conditions of the productive scenarios of knowledge and artistic practice.

Caracterització electroquímica de catalitzadors de Pt/C per a PEMFC

Màster en Química Avançada: Química Física de Materials, Curs: 2007-2008

Full complex Fresnel holograms displayed on liquid cristal displays

We propose a method to display full complex Fresnel holograms by adding the information displayed on two analogue ferroelectric liquid crystal spatial light modulators. One of them works in real-only configuration and the other in imaginary-only mode. The Fresnel holograms are computed by backpropagating an object at a selected distance with the Fresnel transform. Then, displaying the real and imaginary parts on each panel, the object is reconstructed at that distance from the modulators by simple propagation of light. We present simulation results taking into account the specifications of the modulators as well as optical results. We have also studied the quality of reconstructions using only real, imaginary, amplitude or phase information. Although the real and imaginary reconstructions look acceptable for certain distances, full complex reconstruction is always better and is required when arbitrary distances are used.

Recerca feminista en geografía: mètodes i pràctiques per a la visibilització de la diferència (part 1 de 4)

Ponent: Anna Ortiz / Presenta: Bárbara Biglia

Recerca feminista en geografía: mètodes i pràctiques per a la visibilització de la diferència (part 2 de 4)

Ponent: Anna Ortiz / Presenta: Bárbara Biglia

Recerca feminista en geografía: mètodes i pràctiques per a la visibilització de la diferència (part 3 de 4)

Ponent: Anna Ortiz / Presenta: Bárbara Biglia

Recerca feminista en geografía: mètodes i pràctiques per a la visibilització de la diferència (part 4 de 4)

Ponent: Anna Ortiz / Presenta: Bárbara Bligia

Què ens oculta el vel estadístic? Reflexió feminista entorn del disseny i l'explotació de les fonts de dades socials (part 1 de 5)

Ponent: Marta Luxan / Presenta: Ruth Vilà

Què ens oculta el vel estadístic? Reflexió feminista entorn del disseny i l'explotació de les fonts de dades socials (part 3 de 5)

Ponent: Marta Luxan / Presenta: Ruth Vilà

Què ens oculta el vel estadístic? Reflexió feminista entorn del disseny i l'explotació de les fonts de dades socials (part 4 de 5)

Ponent: Marta Luxan / Presenta: Ruth Vilà

Què ens oculta el vel estadístic? Reflexió feminista entorn del disseny i l'explotació de les fonts de dades socials (part 5 de 5)

Ponent: Marta Luxan / Presenta: Ruth Vilà

La Pintura del segle XIX. L'impressionisme

Materials didàctics del grup d'investigació Observatori sobre la Didàctica de les Arts (ODAS)