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Träfflista för sökning "WFRF:(Martin Sergio) ;lar1:(su)"

Search: WFRF:(Martin Sergio) > Stockholm University

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1.
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2.
  • Hudson, Lawrence N, et al. (author)
  • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project
  • 2017
  • In: Ecology and Evolution. - : John Wiley & Sons. - 2045-7758. ; 7:1, s. 145-188
  • Journal article (peer-reviewed)abstract
    • The PREDICTS project-Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)-has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used this evidence base to develop global and regional statistical models of how local biodiversity responds to these measures. We describe and make freely available this 2016 release of the database, containing more than 3.2 million records sampled at over 26,000 locations and representing over 47,000 species. We outline how the database can help in answering a range of questions in ecology and conservation biology. To our knowledge, this is the largest and most geographically and taxonomically representative database of spatial comparisons of biodiversity that has been collated to date; it will be useful to researchers and international efforts wishing to model and understand the global status of biodiversity.
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3.
  • Alimena, Juliette, et al. (author)
  • Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
  • 2020
  • In: Journal of Physics G. - : IOP Publishing. - 0954-3899 .- 1361-6471. ; 47:9
  • Journal article (peer-reviewed)abstract
    • Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles (LLPs) can decay far from the interaction vertex of the primary proton-proton collision. Such LLP signatures are distinct from those of promptly decaying particles that are targeted by the majority of searches for new physics at the LHC, often requiring customized techniques to identify, for example, significantly displaced decay vertices, tracks with atypical properties, and short track segments. Given their non-standard nature, a comprehensive overview of LLP signatures at the LHC is beneficial to ensure that possible avenues of the discovery of new physics are not overlooked. Here we report on the joint work of a community of theorists and experimentalists with the ATLAS, CMS, and LHCb experiments-as well as those working on dedicated experiments such as MoEDAL, milliQan, MATHUSLA, CODEX-b, and FASER-to survey the current state of LLP searches at the LHC, and to chart a path for the development of LLP searches into the future, both in the upcoming Run 3 and at the high-luminosity LHC. The work is organized around the current and future potential capabilities of LHC experiments to generally discover new LLPs, and takes a signature-based approach to surveying classes of models that give rise to LLPs rather than emphasizing any particular theory motivation. We develop a set of simplified models; assess the coverage of current searches; document known, often unexpected backgrounds; explore the capabilities of proposed detector upgrades; provide recommendations for the presentation of search results; and look towards the newest frontiers, namely high-multiplicity 'dark showers', highlighting opportunities for expanding the LHC reach for these signals.
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4.
  • Bermejo-López, Aitor, et al. (author)
  • Selective Synthesis of Imines via Photooxidative AmineCross-Condensation Catalyzed by PCN-222(Pd)
  • Other publication (other academic/artistic)abstract
    • Palladium metallated PCN-222 enables the selective cross-condensation of anilines with benzylic aminesunder photooxidative conditions and at ambient temperature. The method affords a series of linear and cyclic Schiffbases. The mild conditions used in this catalytic system results in the isolation of resourceful intermediates such as 2-(benzylideneamino)aniline and 2-(benzylideneamino)phenols, which can be further modified.
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5.
  • Berzisa, Solvita, et al. (author)
  • Capability Driven Development : An Approach to Designing Digital Enterprises
  • 2015
  • In: Business & Information Systems Engineering. - : Springer Science and Business Media LLC. - 2363-7005 .- 1867-0202. ; 57:1, s. 15-25
  • Journal article (peer-reviewed)abstract
    • The need for organizations to operate in changing environments is addressed by proposing an approach that integrates organizational development with information system (IS) development taking into account changes in the application context of the solution. This is referred to as Capability Driven Development (CDD). A meta-model representing business and IS designs consisting of goals, key performance indicators, capabilities, context and capability delivery patterns, is being proposed. The use of themeta-model is validated in three industrial case studies as part of an ongoing collaboration project, whereas one case is presented in the paper. Issues related to the use of the CDD approach, namely, CDD methodology and tool support are also discussed.
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6.
  • Bravos, George, et al. (author)
  • Deliverable 1.2 : Initial version of requirements specification for CDD
  • 2013
  • Reports (other academic/artistic)abstract
    • The CaaS project will elaborate the Capability Driven Development (CDD) approach that will allow digital enterprises to exploit the notion of 'capability' as a means of both designing for services and with services. This deliverable defines an initial set of requirements for CDD. These requirements are provided by the industrial partners through exploration of their use cases. The goal of this deliverable is to identify potential benefits that the CaaS approach could bring to the use cases as well the features to be included the CDD methodology. The requirements are elicited from the use case partners during semi-structured interviews. They are documented in a form of goal models, actor models and concept models for each partner separately. Information documented in these models is used to define envisioned capabilities to be design and delivered during the project as well as to establish the scope of each use case. The use case scope definition focuses on use case goals, causes of capability delivery variability, capability delivery context, functions to be provided in the use case as well as potential capability delivery adjustments. The use case specific models are combined together to obtain a preliminary set of general requirements for CDD. These requirements show CDD goals, types of stakeholders, types of context and types of adjustments. The deliverable ends with concluding remarks about the partners’ expectations for CDD. The requirements for the use cases described in this deliverable will be further elaborated in the final requirements document deliverable D1.4 and will be iteratively refined during the use case elaboration performed in work packages WP2, WP3 and WP4.
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7.
  • Carrasco, Sergio, et al. (author)
  • Fast and Robust Synthesis of Metalated PCN-222 and Their Catalytic Performance in Cycloaddition Reactions with CO2
  • 2019
  • In: Organometallics. - : American Chemical Society (ACS). - 0276-7333 .- 1520-6041. ; 38:18, s. 3429-3435
  • Journal article (peer-reviewed)abstract
    • A simple and quick setup for the synthesis of PCN-222 and of a variety of metalated PCN-222(Co, Ni, Cu, and Zn), using of a microwave reactor, is reported for CO2 fixation. Metalation of prophyrins by microwave heating has been evaluated through UV-vis titration. PCN-222(M) were obtained in a three-step, one-pot reaction in a remarkable 72% yield in only 30 min. The materials have been characterized using a variety of techniques. A study of CO2 fixation through cycloaddition with epoxides and azidirines using metalated PCNs as catalysts is described. Cyclic carbonates and oxazolidinones were formed using CO2 at atmospheric pressure under mild conditions. Higher activity was observed when PCN-222(Co) was used compared to that with PCN-222(Ni, Cu, Zn).
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8.
  • Carrasco, Sergio, et al. (author)
  • Hydrazine-Free Facile Synthesis of Palladium-Tetrakis(Triphenylphosphine)
  • 2019
  • In: European Journal of Inorganic Chemistry. - : Wiley. - 1434-1948 .- 1099-1948 .- 1099-0682. ; :14, s. 1951-1955
  • Journal article (peer-reviewed)abstract
    • We present an easy and very efficient procedure for the synthesis of Pd(PPh3)(4) using nontoxic reducing agents. The complex is obtained in a remarkable 83 % yield, and the method can be scaled up. A very detailed spectroscopic and spectrometric characterization is reported.
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9.
  • Carretero Cerdan, Alba, et al. (author)
  • One-step microwave-assisted synthesis of amino-functionalized chromium(III) terephthalate MIL-101-NH2
  • 2023
  • In: Materials Today Chemistry. - 2468-5194. ; 31
  • Journal article (peer-reviewed)abstract
    • A single-step microwave (MW)-assisted protocol for the synthesis of MIL-101(Cr) and of MIL-101(Cr)-NH2 is described herein, based on the addition of NaF as the modulator instead of hydrofluoric acid to obtain the corresponding polymers in only 1 h with high crystallinity and yields (>70%, 0.5 g). Compared to classic solvothermal protocols (12-72 h, <30%), MW-assisted synthesis allowed shorter reaction time and improved yields, replacing N,N-dimethylformamide by water. Physicochemical properties of MIL-101(Cr)-NH2 and MIL-101(Cr) obtained through this MW-assisted procedure are more homogenous than those observed for the corresponding solvothermal counterparts, and interestingly, enhanced higher control over nanometric particle size (80-130 vs 400-1000 nm), lower polydispersity, and higher Brunauer-Emett-Teller surface area (2000-2700 vs 1800-2300 m2/g) were observed because of the better accessibility and diffusion of gases throughout the internal pores.& COPY; 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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10.
  • da Silva, Humberto, Jr., et al. (author)
  • Multiple electron capture, excitation, and fragmentation in C6+-C-60 collisions
  • 2014
  • In: Physical Review A. Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 90:3, s. 032701-
  • Journal article (peer-reviewed)abstract
    • We present experimental and theoretical results on single- and multiple-electron capture, and fragmentation, in C6+ + C-60 collisions at velocities in the v(col) = 0.05 - 0.4 a.u. range. We use time-of-flight mass spectrometry and coincidence detection of charged fragments to separate pure target ionization from processes in which the C-60 target is both ionized and fragmented. The coincidence technique allows us to identify different types of fragmentation processes such as C-60(q+) -> C-58(q+) + C-2 and C-60(q+) -> C-58((q-1)+) + C-2(+). A quasimolecular approach is employed to calculate charge transfer and target excitation cross sections. First-order time-dependent perturbation and statistical methods are used to treat the postcollisional processes: the calculated rate constants for C-2 and C-2(+) emission from the excited and charged fullerene are then used to evaluate the fragmentation dynamics. We show that the target ionization cross section decreases with the induced target charge state and the impact energy. C-2 emission from C-60(q+) is found to dominate when q <= 2 while C-2(+) emission dominates when q >= 5, in agreement with the present and previous experimental results.
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  • Result 1-10 of 27
Type of publication
journal article (23)
other publication (2)
reports (1)
conference paper (1)
Type of content
peer-reviewed (24)
other academic/artistic (3)
Author/Editor
Martín, Sergio (7)
Fathi, Kambiz (6)
Martín-Matute, Belén (5)
Matsushita, Satoki (5)
Kohno, Kotaro (5)
Carrasco, Sergio (5)
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Meier, David S. (5)
Espada, Daniel (5)
Imanishi, Masatoshi (5)
Izumi, Takuma (5)
Krips, Melanie (5)
Nakai, Naomasa (5)
Terashima, Yuichi (4)
Sanz-Marco, Amparo (4)
Sheth, Kartik (4)
Zdravkovic, Jelena (3)
Stirna, Janis (3)
Henkel, Martin (3)
Espana, Sergio (3)
Grabis, Janis (3)
Schinnerer, Eva (3)
Wiklind, Tommy (3)
Tamura, Yoichi (2)
Hatsukade, Bunyo (2)
Nakanishi, Kouichiro (2)
Christensen, Morten (2)
Wall, Luis G. (2)
Battenberg, Kai (2)
Berry, Alison M. (2)
Bravos, George (2)
Czubayko, Ulrich (2)
Jokste, Lauma (2)
Kampars, Janis (2)
Koc, Hasan (2)
Kuhr, Jan-Christian (2)
Loucopoulos, Pericle ... (2)
Juanes Pascual, Raul (2)
Parniske, Martin (2)
Sandqvist, Aage, 193 ... (2)
Pujic, Petar (2)
Alloisio, Nicole (2)
Normand, Philippe (2)
Wong, Gane Ka-Shu (2)
Lundgren, Andreas A. (2)
Hatziminaoglou, Evan ... (2)
Fu, Yuan (2)
Cardoso, Pedro (2)
Kohlen, Wouter (2)
Hocher, Valerie (2)
Gherbi, Hassen (2)
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University
Lund University (4)
Karolinska Institutet (3)
Umeå University (2)
Swedish University of Agricultural Sciences (2)
University of Gothenburg (1)
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Royal Institute of Technology (1)
Linköping University (1)
Jönköping University (1)
Chalmers University of Technology (1)
Linnaeus University (1)
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Language
English (27)
Research subject (UKÄ/SCB)
Natural sciences (25)
Medical and Health Sciences (3)
Engineering and Technology (2)

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