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14 February 2017
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Teaching is concentrated in the faculties and schools, and the departments deal with research, which is also conducted by institutes and chairs, at the same time responsible for knowledge promotion.
- The exhibition “Catalan scientists 2.0”, is aimed at raising the profile of the strategic role of women scientists in our region, who are concerned about communicating science for the purposes of contributing towards creating and disseminating female roles and models, especially in the areas of science and engineering.
- Installation of a new piece of hardware: MALDI-TOF autoflex maX de Bruker.
- Publication of the article “Supramolecular Fullerene Sponges as Catalytic Masks for Regioselective Functionalization of C60" (Chem, 2020, DOI: 10.1016/j.chempr.2019.10.010) by researchers at the University of Girona. The University of Girona (UdG) research group QBIS-CAT, attached to the IQCC, in collaboration with the Catalan Institute of Nanotechnology (ICN2), the ALBA-BCN synchrotron and the RMN Service of the Universitat Autònoma de Barcelona (UAB), has discovered a new synthetic strategy for modifying carbon spheres, such as fullerenes, selectively. Part of the study was carried out using the Research Technical Services’ mass spectrometry techniques. More specifically, part of characterising the new fullerenes obtained and monitoring the different stages of the reaction has been carried out using the Services’ mass spectrometer micro-TOF-Q(II).
The UdG’s scientific team, led by the researcher Xavi Ribas, has been able to encapsulate the C60 fullerene in a “nanoscopic cage” . This type of fullerene is also known as a buckyball because its geometry is identical to a football. The UdG researchers have managed “to open the cage by means of its windows”, giving access to very specific regions of the carbon sphere and allowing the selective modification of these zones. These new modified fullerenes, obtained with high performance and purity, cannot be obtained in any other synthetic way. This is the first time that researchers have successfully managed to form pure, polyfunctionalised fullerenes. The discovery, made mainly by the doctoral degree student Carles Fuertes (QBIS-CAT), represents an unprecedented step towards the next, improved generation of solar panels solar, of which the fullerenes are essential components. Moreover, this strategy can be applied to other fullerenes and other types of functionalisations, generating new opportunities for synthesising and testing a large number of polyfunctionalised fullerene derivatives. All these compounds can also be derived selectively to give them a use as active biomedical compounds.
- Publication of the article: "Factors triggering queen executions in the Argentine ant” (Scientific Reports, 2019, doi.org/10.1038/s41598-019-46972-5) by the UdG researchers Sílvia April and Crisanto Gómez. Part of the study was carried out using the Research Technical Services’ chromatographic techniques. More specifically, thestudy of the cuticular hydrocarbons (CHC) profile of queen Argentine ants through GC-FID/GC-MS: Chemical communication plays an important role in reproduction and social cohesion in colonies of social insects. Many studies indicate that cuticular hydrocarbons are the main chemical compounds coding for the reproductive state of its individuals. The Argentine ant is catalogued as one of the 100 worst invading species in the world. There are numerous queens inside the nests of these species, and curiously the workers execute approximately 90% of them each spring. In this case, one of the factors that has been studied is the difference between the CHC profile of queen Argentine ants who were eliminated by the workers and the profile of surviving queens in artificial laboratory nests, through GC-FID and GC-MS. These techniques have lead to the first identification and quantification of the compounds present in the CHC profile of eliminated queen Argentine ants, establishing that the CHC profile of these queens has a lower presence of certain hydrocarbons related to their productivity. These results suggest that the workers select the queens to be eliminated by their CHC profile.