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- Aguado, D. S., et al.
(författare)
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The Fifteenth Data Release of the Sloan Digital Sky Surveys : First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library
- 2019
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Ingår i: Astrophysical Journal Supplement Series. - : Institute of Physics Publishing (IOPP). - 0067-0049 .- 1538-4365. ; 240:2
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Tidskriftsartikel (refereegranskat)abstract
- Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (2014 July-2017 July). This is the third data release for SDSS-IV, and the 15th from SDSS (Data Release Fifteen; DR15). New data come from MaNGA-we release 4824 data cubes, as well as the first stellar spectra in the MaNGA Stellar Library (MaStar), the first set of survey-supported analysis products (e.g., stellar and gas kinematics, emission-line and other maps) from the MaNGA Data Analysis Pipeline, and a new data visualization and access tool we call "Marvin." The next data release, DR16, will include new data from both APOGEE-2 and eBOSS; those surveys release no new data here, but we document updates and corrections to their data processing pipelines. The release is cumulative; it also includes the most recent reductions and calibrations of all data taken by SDSS since first light. In this paper, we describe the location and format of the data and tools and cite technical references describing how it was obtained and processed. The SDSS website (www.sdss.org) has also been updated, providing links to data downloads, tutorials, and examples of data use. Although SDSS-IV will continue to collect astronomical data until 2020, and will be followed by SDSS-V (2020-2025), we end this paper by describing plans to ensure the sustainability of the SDSS data archive for many years beyond the collection of data.
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- Schweinsberg, Martin, et al.
(författare)
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Same data, different conclusions : Radical dispersion in empirical results when independent analysts operationalize and test the same hypothesis
- 2021
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Ingår i: Organizational Behavior and Human Decision Processes. - : Elsevier BV. - 0749-5978 .- 1095-9920. ; 165, s. 228-249
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Tidskriftsartikel (refereegranskat)abstract
- In this crowdsourced initiative, independent analysts used the same dataset to test two hypotheses regarding the effects of scientists' gender and professional status on verbosity during group meetings. Not only the analytic approach but also the operationalizations of key variables were left unconstrained and up to individual analysts. For instance, analysts could choose to operationalize status as job title, institutional ranking, citation counts, or some combination. To maximize transparency regarding the process by which analytic choices are made, the analysts used a platform we developed called DataExplained to justify both preferred and rejected analytic paths in real time. Analyses lacking sufficient detail, reproducible code, or with statistical errors were excluded, resulting in 29 analyses in the final sample. Researchers reported radically different analyses and dispersed empirical outcomes, in a number of cases obtaining significant effects in opposite directions for the same research question. A Boba multiverse analysis demonstrates that decisions about how to operationalize variables explain variability in outcomes above and beyond statistical choices (e.g., covariates). Subjective researcher decisions play a critical role in driving the reported empirical results, underscoring the need for open data, systematic robustness checks, and transparency regarding both analytic paths taken and not taken. Implications for orga-nizations and leaders, whose decision making relies in part on scientific findings, consulting reports, and internal analyses by data scientists, are discussed.
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- Bjelosevic, Haris, et al.
(författare)
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Platinum(II) and gold(I) complexes based on 1,1 '-bis(diphenylphosphino)metallocene derivatives: Synthesis, characterization and biological activity of the gold complexes
- 2012
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Ingår i: Journal of Organometallic Chemistry. - : Elsevier BV. - 0022-328X. ; 720, s. 52-59
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Tidskriftsartikel (refereegranskat)abstract
- The synthesis of series of 1,2,1' substituted bis(diphenylphosphino)- ruthenocenyl (1-4) and ferrocenyl cis-platinum(II) (5-7) and gold(I) (8-12) complexes are described. Crystal structures of 2 and 4, as well as 5, 6 and 10 confirm the molecular geometry of these ligands and their metal complexes. Preliminary investigation of four gold complexes as potential anticancer, antiHIV and antimalaria showed at least one gold compound that has excellent activity towards one of these diseases. The three gold(I) complexes, {1- [1-(dimethylamino)ethyl]-1 ,2-bis(diphenylphosphino)ruthenocene-kappa P-2,P'}bis[chlorogold(I)] (8) (IC50 = 1.40 mu M), {1-[1-(acetoxyethyl)-1',2-bis(diphenylphosphino)ferrocene-kappa P-2,P']bis[chlorogold(1)] (9) (IC50 = 0.51 mu M), {1-[1-(3-carboxypropanamido)ethyl]-1',2-bis(diphenylphosphino)-ruthenocene kappa P-2,P'} bis[chlorogold(I)] (12) (IC50 = 1.784 mu M), have the best activities against cancer, HIV and malaria respectively. (C) 2012 Elsevier B.V. All rights reserved.
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| 7. |
- Stamm, T, et al.
(författare)
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I have mastered the challenge of living with a chronic disease: life stories of people with rheumatoid arthritis
- 2008
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Ingår i: Qualitative health research. - : SAGE Publications. - 1049-7323 .- 1552-7557. ; 18:5, s. 658-669
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Tidskriftsartikel (refereegranskat)abstract
- Our aim with this study was to explore the narrative life story of individuals diagnosed with rheumatoid arthritis. An open qualitative approach, namely narrative biographic methodology, was applied to include the life context of the participants and to deliberately exclude predefinitions of concepts. Ten people with rheumatoid arthritis who retired early because of the disease participated and were interviewed three times according to a narrative biographic interview style. The biographical data and the interview texts were analyzed both individually and in comparison to each other. Some participants regarded rheumatoid arthritis as a challenge for mastery in their lives, whereas others adapted to the disease and “made the best out of a bad situation.” Especially in countries where the medical model predominates in health care, our findings can be used to broaden the current view that some health professionals have toward patients, and stress the importance of patients being self-responsible.
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