n/a

n/a

{Nitrite reductase from the sulfate-reducing bacterium Desulfovibrio desulfuricans ATCC 27774 is a multihaem (type c) membrane-bound enzyme that catalyzes the dissimilatory conversion of nitrite to ammonia. Crystals of the oxidized form of this enzyme were obtained using PEG and CaCl2 as precipitants in the presence of 3-(decylmethylammonium)propane-1-sulfonate and belong to the space group P2(1)2(1)2(1), With unit-cell parameters a = 78.94

The socio-economic subsystem encompassing fisheries may be defined as including not only the harvesting sector but also several related activities occurring both upstream (shipbuilding, gear manufacture) and downstream (processing, distribution and trade). But these closely interrelated economic activities can also be set within a much broader system which would include the ecological, institutional and political influences which frame economic behaviour. The value of this broader conceptualisation is that it treats fisheries not as an isolated and independent economic activity but as part of a more holistic and complex system. This broader perspective is of particular significance when attempting to examine the concept of regional dependence. The socio-economic subsystem for fisheries is dominated by small and medium sized enterprises (SMEs). And Peniche emerges as one of Portugal’s most important fishing ports whether measured in terms of the volume of landings or the total numbers of fishermen. It also has one of the highest levels of fisheries dependence of all coastal municipalities in Portugal with over 20% of its workforce currently engaged in fisheries related employment, faces a daunting and uncertain future. The social fabric of fisheries dependent communities also suffers serious damage; once again, the technocratic approach to management has no solutions to offer. It is essential, therefore, to turn away from the existing approach and to develop instead new forms of intervention; in short, to provide a new vision. This implies change not only to the policy process but also in the attitudes of the social actors and in the preoccupations of fisheries related research. An integrated approach is required based on participative action and the development of an integrated information network.

In this paper for a public debate promoted by the Portuguese President of Republic in 2000, we start from the basic definitions of information society and discuss the main measures proposed as targets in the firld of work and employment. Structural changes are analysed related with the economical and social dimensions of the information society, especially those related to the work organisation, education and training, and the labour markets. Finally recommendations are made on the topics of innovation, employment and development of information society.

The self-assembly of Ag[BF(4)] with trans-azobenzene in dichloromethane yields a new coordination polymer ([Ag(mu -trans-azobenzene)H(2)O] [BF(4)])(n) which was characterized by X-ray single crystal diffraction. The crystal consists of 1-D zigzag cationic chains made up from [Ag(H(2)O)](+) units linked by trans-azobenzene bridges and BF(4)(-) anions. Hydrogen bonding interactions between the chains and BF(4)(-) anions occur via intermolecular C-H . . .F and O-H . . .F contacts, and the crystal displays a 2-D supramolecular structure.

The reaction between [Cu(NCMe)(4)][PF6] and 1,1'-bis-(diphenylphosphino)-ferrocene (dppf) in several ratios, solvents, and conditions led to the synthesis and structural characterization of the Cu(I) complexes [Cu(dppf)(Odppf)] [PF6] (1), [(dppf)Cu(mu -dppf)Cu(dppf)][PF6](2) (2), and [(dppf)Cu(mu -Cl)(2)Cu(dppf)] (3). Although 1 and the cation in 2 were known, the first was structurally characterized for the first time, exhibiting a significant asymmetry in the coordination sphere of Cu(I)) owing to the presence of oxygen. In 2, the PF6- anion led to an interesting crystal packing with large open channels containing water. Finally, DFT calculations on a model of 3 showed that its HOMO exhibits, besides Fe, a significant Cu and Cl character, which is reflected in its electrochemical properties.

This paper summarises the methodological approach and main results of the MARHE project (Employment and Human Resources in the Fisheries Socio-Economic System). This project had as its main aim the search for alternative futures for the fisheries sector in Portugal, with particular attention being paid to the human resources situation and the working and living conditions of the fisheries-dependent populations in the coastal areas. This is a particularly interesting case, since fisheries were once an important activity and they are now in deep recession, even though it is generally recognised that the future utilisation of maritime resources offer an immense potential. As part of the research, a Delphi exercise was implemented involving in two successive stages some of the leading actors and experts dealing with the sector in Portugal. Other initiatives were held in the context of the MARHE project providing direct and indirect inputs to the scenarios and recommendations that were put forward in the sequence of the Delphi exercise. Overall the activities described in the paper contributed to the mobilisation of major actors and to discussions that may have practical implication for the future of the sector, if certain conditions are now met in the follow up to the project.

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a